[ 30.322136][ T265] ip (265) used greatest stack depth: 23920 bytes left [ 34.012381][ T289] ip (289) used greatest stack depth: 23696 bytes left [ 49.622974][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 49.623421][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 49.623421][ T10] netdev_get_by_index+0x5e/0x80 [ 49.623421][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.623421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.623421][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.623421][ T10] ipv6_add_addr+0x411/0x2000 [ 49.623421][ T10] inet6_addr_add+0x30e/0xa40 [ 49.623421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.623421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.623421][ T10] netlink_rcv_skb+0x130/0x360 [ 49.623421][ T10] netlink_unicast+0x449/0x710 [ 49.623421][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.623421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.623421][ T10] ___sys_sendmsg+0xee/0x170 [ 49.623421][ T10] __sys_sendmsg+0xcd/0x170 [ 49.623421][ T10] do_syscall_64+0xc6/0x1e0 [ 49.623421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.623421][ T10] [ 49.625725][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 49.625725][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.625725][ T10] ipv6_find_idev+0x102/0x170 [ 49.625725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.625725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.625725][ T10] netlink_rcv_skb+0x130/0x360 [ 49.625725][ T10] netlink_unicast+0x449/0x710 [ 49.625725][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.625725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.625725][ T10] ___sys_sendmsg+0xee/0x170 [ 49.625725][ T10] __sys_sendmsg+0xcd/0x170 [ 49.625725][ T10] do_syscall_64+0xc6/0x1e0 [ 49.625725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.625725][ T10] [ 49.627284][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 49.627284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.627284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.627284][ T10] ipv6_find_idev+0x102/0x170 [ 49.627284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.627284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.627284][ T10] netlink_rcv_skb+0x130/0x360 [ 49.627284][ T10] netlink_unicast+0x449/0x710 [ 49.627284][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.627284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.627284][ T10] ___sys_sendmsg+0xee/0x170 [ 49.627284][ T10] __sys_sendmsg+0xcd/0x170 [ 49.627284][ T10] do_syscall_64+0xc6/0x1e0 [ 49.627284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.627284][ T10] [ 49.629054][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 49.629406][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 49.629406][ T10] netdev_get_by_index+0x5e/0x80 [ 49.629406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.629406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.629406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.629406][ T10] ipv6_add_addr+0x411/0x2000 [ 49.629406][ T10] inet6_addr_add+0x30e/0xa40 [ 49.629406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.629406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.629406][ T10] netlink_rcv_skb+0x130/0x360 [ 49.629406][ T10] netlink_unicast+0x449/0x710 [ 49.629406][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.629406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.629406][ T10] ___sys_sendmsg+0xee/0x170 [ 49.629406][ T10] __sys_sendmsg+0xcd/0x170 [ 49.629406][ T10] do_syscall_64+0xc6/0x1e0 [ 49.629406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.629406][ T10] [ 49.631421][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 49.631421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.631421][ T10] ipv6_find_idev+0x102/0x170 [ 49.631421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.631421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.631421][ T10] netlink_rcv_skb+0x130/0x360 [ 49.631421][ T10] netlink_unicast+0x449/0x710 [ 49.631421][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.631421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.631421][ T10] ___sys_sendmsg+0xee/0x170 [ 49.631421][ T10] __sys_sendmsg+0xcd/0x170 [ 49.631421][ T10] do_syscall_64+0xc6/0x1e0 [ 49.631421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.631421][ T10] [ 49.632992][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 49.632992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.632992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.632992][ T10] ipv6_find_idev+0x102/0x170 [ 49.632992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.632992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.632992][ T10] netlink_rcv_skb+0x130/0x360 [ 49.632992][ T10] netlink_unicast+0x449/0x710 [ 49.632992][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.632992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.632992][ T10] ___sys_sendmsg+0xee/0x170 [ 49.632992][ T10] __sys_sendmsg+0xcd/0x170 [ 49.632992][ T10] do_syscall_64+0xc6/0x1e0 [ 49.632992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.632992][ T10] [ 49.634749][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 49.635088][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 49.635088][ T10] netdev_get_by_index+0x5e/0x80 [ 49.635088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.635088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.635088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.635088][ T10] ipv6_add_addr+0x411/0x2000 [ 49.635088][ T10] inet6_addr_add+0x30e/0xa40 [ 49.635088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.635088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.635088][ T10] netlink_rcv_skb+0x130/0x360 [ 49.635088][ T10] netlink_unicast+0x449/0x710 [ 49.635088][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.635088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.635088][ T10] ___sys_sendmsg+0xee/0x170 [ 49.635088][ T10] __sys_sendmsg+0xcd/0x170 [ 49.635088][ T10] do_syscall_64+0xc6/0x1e0 [ 49.635088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.635088][ T10] [ 49.637094][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 49.637094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.637094][ T10] ipv6_find_idev+0x102/0x170 [ 49.637094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.637094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.637094][ T10] netlink_rcv_skb+0x130/0x360 [ 49.637094][ T10] netlink_unicast+0x449/0x710 [ 49.637094][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.637094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.637094][ T10] ___sys_sendmsg+0xee/0x170 [ 49.637094][ T10] __sys_sendmsg+0xcd/0x170 [ 49.637094][ T10] do_syscall_64+0xc6/0x1e0 [ 49.637094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.637094][ T10] [ 49.638647][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 49.638647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.638647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.638647][ T10] ipv6_find_idev+0x102/0x170 [ 49.638647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.638647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.638647][ T10] netlink_rcv_skb+0x130/0x360 [ 49.638647][ T10] netlink_unicast+0x449/0x710 [ 49.638647][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.638647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.638647][ T10] ___sys_sendmsg+0xee/0x170 [ 49.638647][ T10] __sys_sendmsg+0xcd/0x170 [ 49.638647][ T10] do_syscall_64+0xc6/0x1e0 [ 49.638647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.638647][ T10] [ 49.640921][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 49.641256][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 49.641256][ T10] netdev_get_by_index+0x5e/0x80 [ 49.641256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.641256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.641256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.641256][ T10] ipv6_add_addr+0x411/0x2000 [ 49.641256][ T10] inet6_addr_add+0x30e/0xa40 [ 49.641256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.641256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.641256][ T10] netlink_rcv_skb+0x130/0x360 [ 49.641256][ T10] netlink_unicast+0x449/0x710 [ 49.641256][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.641256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.641256][ T10] ___sys_sendmsg+0xee/0x170 [ 49.641256][ T10] __sys_sendmsg+0xcd/0x170 [ 49.641256][ T10] do_syscall_64+0xc6/0x1e0 [ 49.641256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.641256][ T10] [ 49.643572][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 49.643572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.643572][ T10] ipv6_find_idev+0x102/0x170 [ 49.643572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.643572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.643572][ T10] netlink_rcv_skb+0x130/0x360 [ 49.643572][ T10] netlink_unicast+0x449/0x710 [ 49.643572][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.643572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.643572][ T10] ___sys_sendmsg+0xee/0x170 [ 49.643572][ T10] __sys_sendmsg+0xcd/0x170 [ 49.643572][ T10] do_syscall_64+0xc6/0x1e0 [ 49.643572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.643572][ T10] [ 49.645309][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 49.645309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.645309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.645309][ T10] ipv6_find_idev+0x102/0x170 [ 49.645309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.645309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.645309][ T10] netlink_rcv_skb+0x130/0x360 [ 49.645309][ T10] netlink_unicast+0x449/0x710 [ 49.645309][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.645309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.645309][ T10] ___sys_sendmsg+0xee/0x170 [ 49.645309][ T10] __sys_sendmsg+0xcd/0x170 [ 49.645309][ T10] do_syscall_64+0xc6/0x1e0 [ 49.645309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.645309][ T10] [ 49.647286][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 49.647608][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 49.647608][ T10] netdev_get_by_index+0x5e/0x80 [ 49.647608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.647608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.647608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.647608][ T10] ipv6_add_addr+0x411/0x2000 [ 49.647608][ T10] inet6_addr_add+0x30e/0xa40 [ 49.647608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.647608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.647608][ T10] netlink_rcv_skb+0x130/0x360 [ 49.647608][ T10] netlink_unicast+0x449/0x710 [ 49.647608][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.647608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.647608][ T10] ___sys_sendmsg+0xee/0x170 [ 49.647608][ T10] __sys_sendmsg+0xcd/0x170 [ 49.647608][ T10] do_syscall_64+0xc6/0x1e0 [ 49.647608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.647608][ T10] [ 49.649784][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 49.649784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.649784][ T10] ipv6_find_idev+0x102/0x170 [ 49.649784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.649784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.649784][ T10] netlink_rcv_skb+0x130/0x360 [ 49.649784][ T10] netlink_unicast+0x449/0x710 [ 49.649784][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.649784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.649784][ T10] ___sys_sendmsg+0xee/0x170 [ 49.649784][ T10] __sys_sendmsg+0xcd/0x170 [ 49.649784][ T10] do_syscall_64+0xc6/0x1e0 [ 49.649784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.649784][ T10] [ 49.651510][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 49.651510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.651510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.651510][ T10] ipv6_find_idev+0x102/0x170 [ 49.651510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.651510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.651510][ T10] netlink_rcv_skb+0x130/0x360 [ 49.651510][ T10] netlink_unicast+0x449/0x710 [ 49.651510][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.651510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.651510][ T10] ___sys_sendmsg+0xee/0x170 [ 49.651510][ T10] __sys_sendmsg+0xcd/0x170 [ 49.651510][ T10] do_syscall_64+0xc6/0x1e0 [ 49.651510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.651510][ T10] [ 49.653446][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 49.653773][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 49.653773][ T10] netdev_get_by_index+0x5e/0x80 [ 49.653773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.653773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.653773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.653773][ T10] ipv6_add_addr+0x411/0x2000 [ 49.653773][ T10] inet6_addr_add+0x30e/0xa40 [ 49.653773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.653773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.653773][ T10] netlink_rcv_skb+0x130/0x360 [ 49.653773][ T10] netlink_unicast+0x449/0x710 [ 49.653773][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.653773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.653773][ T10] ___sys_sendmsg+0xee/0x170 [ 49.653773][ T10] __sys_sendmsg+0xcd/0x170 [ 49.653773][ T10] do_syscall_64+0xc6/0x1e0 [ 49.653773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.653773][ T10] [ 49.656056][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 49.656056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.656056][ T10] ipv6_find_idev+0x102/0x170 [ 49.656056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.656056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.656056][ T10] netlink_rcv_skb+0x130/0x360 [ 49.656056][ T10] netlink_unicast+0x449/0x710 [ 49.656056][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.656056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.656056][ T10] ___sys_sendmsg+0xee/0x170 [ 49.656056][ T10] __sys_sendmsg+0xcd/0x170 [ 49.656056][ T10] do_syscall_64+0xc6/0x1e0 [ 49.656056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.656056][ T10] [ 49.657811][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 49.657811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.657811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.657811][ T10] ipv6_find_idev+0x102/0x170 [ 49.657811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.657811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.657811][ T10] netlink_rcv_skb+0x130/0x360 [ 49.657811][ T10] netlink_unicast+0x449/0x710 [ 49.657811][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.657811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.657811][ T10] ___sys_sendmsg+0xee/0x170 [ 49.657811][ T10] __sys_sendmsg+0xcd/0x170 [ 49.657811][ T10] do_syscall_64+0xc6/0x1e0 [ 49.657811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.657811][ T10] [ 49.659752][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 49.660088][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 49.660088][ T10] netdev_get_by_index+0x5e/0x80 [ 49.660088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.660088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.660088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.660088][ T10] ipv6_add_addr+0x411/0x2000 [ 49.660088][ T10] inet6_addr_add+0x30e/0xa40 [ 49.660088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.660088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.660088][ T10] netlink_rcv_skb+0x130/0x360 [ 49.660088][ T10] netlink_unicast+0x449/0x710 [ 49.660088][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.660088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.660088][ T10] ___sys_sendmsg+0xee/0x170 [ 49.660088][ T10] __sys_sendmsg+0xcd/0x170 [ 49.660088][ T10] do_syscall_64+0xc6/0x1e0 [ 49.660088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.660088][ T10] [ 49.662379][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 49.662379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.662379][ T10] ipv6_find_idev+0x102/0x170 [ 49.662379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.662379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.662379][ T10] netlink_rcv_skb+0x130/0x360 [ 49.662379][ T10] netlink_unicast+0x449/0x710 [ 49.662379][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.662379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.662379][ T10] ___sys_sendmsg+0xee/0x170 [ 49.662379][ T10] __sys_sendmsg+0xcd/0x170 [ 49.662379][ T10] do_syscall_64+0xc6/0x1e0 [ 49.662379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.662379][ T10] [ 49.664128][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 49.664128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.664128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.664128][ T10] ipv6_find_idev+0x102/0x170 [ 49.664128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.664128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.664128][ T10] netlink_rcv_skb+0x130/0x360 [ 49.664128][ T10] netlink_unicast+0x449/0x710 [ 49.664128][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.664128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.664128][ T10] ___sys_sendmsg+0xee/0x170 [ 49.664128][ T10] __sys_sendmsg+0xcd/0x170 [ 49.664128][ T10] do_syscall_64+0xc6/0x1e0 [ 49.664128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.664128][ T10] [ 49.666165][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 49.666487][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 49.666487][ T10] netdev_get_by_index+0x5e/0x80 [ 49.666487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 49.666487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 49.666487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 49.666487][ T10] ipv6_add_addr+0x411/0x2000 [ 49.666487][ T10] inet6_addr_add+0x30e/0xa40 [ 49.666487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 49.666487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.666487][ T10] netlink_rcv_skb+0x130/0x360 [ 49.666487][ T10] netlink_unicast+0x449/0x710 [ 49.666487][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.666487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.666487][ T10] ___sys_sendmsg+0xee/0x170 [ 49.666487][ T10] __sys_sendmsg+0xcd/0x170 [ 49.666487][ T10] do_syscall_64+0xc6/0x1e0 [ 49.666487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.666487][ T10] [ 49.668645][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 49.668645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 49.668645][ T10] ipv6_find_idev+0x102/0x170 [ 49.668645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.668645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.668645][ T10] netlink_rcv_skb+0x130/0x360 [ 49.668645][ T10] netlink_unicast+0x449/0x710 [ 49.668645][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.668645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.668645][ T10] ___sys_sendmsg+0xee/0x170 [ 49.668645][ T10] __sys_sendmsg+0xcd/0x170 [ 49.668645][ T10] do_syscall_64+0xc6/0x1e0 [ 49.668645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.668645][ T10] [ 49.670365][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 49.670365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 49.670365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 49.670365][ T10] ipv6_find_idev+0x102/0x170 [ 49.670365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 49.670365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.670365][ T10] netlink_rcv_skb+0x130/0x360 [ 49.670365][ T10] netlink_unicast+0x449/0x710 [ 49.670365][ T10] netlink_sendmsg+0x723/0xbe0 [ 49.670365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 49.670365][ T10] ___sys_sendmsg+0xee/0x170 [ 49.670365][ T10] __sys_sendmsg+0xcd/0x170 [ 49.670365][ T10] do_syscall_64+0xc6/0x1e0 [ 49.670365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.670365][ T10] [ 59.813883][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 59.814218][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 59.814218][ T10] netdev_get_by_index+0x5e/0x80 [ 59.814218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.814218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.814218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.814218][ T10] ipv6_add_addr+0x411/0x2000 [ 59.814218][ T10] inet6_addr_add+0x30e/0xa40 [ 59.814218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.814218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.814218][ T10] netlink_rcv_skb+0x130/0x360 [ 59.814218][ T10] netlink_unicast+0x449/0x710 [ 59.814218][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.814218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.814218][ T10] ___sys_sendmsg+0xee/0x170 [ 59.814218][ T10] __sys_sendmsg+0xcd/0x170 [ 59.814218][ T10] do_syscall_64+0xc6/0x1e0 [ 59.814218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.814218][ T10] [ 59.816272][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 59.816272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.816272][ T10] ipv6_find_idev+0x102/0x170 [ 59.816272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.816272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.816272][ T10] netlink_rcv_skb+0x130/0x360 [ 59.816272][ T10] netlink_unicast+0x449/0x710 [ 59.816272][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.816272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.816272][ T10] ___sys_sendmsg+0xee/0x170 [ 59.816272][ T10] __sys_sendmsg+0xcd/0x170 [ 59.816272][ T10] do_syscall_64+0xc6/0x1e0 [ 59.816272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.816272][ T10] [ 59.817847][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 59.817847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.817847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.817847][ T10] ipv6_find_idev+0x102/0x170 [ 59.817847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.817847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.817847][ T10] netlink_rcv_skb+0x130/0x360 [ 59.817847][ T10] netlink_unicast+0x449/0x710 [ 59.817847][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.817847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.817847][ T10] ___sys_sendmsg+0xee/0x170 [ 59.817847][ T10] __sys_sendmsg+0xcd/0x170 [ 59.817847][ T10] do_syscall_64+0xc6/0x1e0 [ 59.817847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.817847][ T10] [ 59.819780][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 59.820058][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 59.820058][ T10] netdev_get_by_index+0x5e/0x80 [ 59.820058][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.820058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.820058][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.820058][ T10] ipv6_add_addr+0x411/0x2000 [ 59.820058][ T10] inet6_addr_add+0x30e/0xa40 [ 59.820058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.820058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.820058][ T10] netlink_rcv_skb+0x130/0x360 [ 59.820058][ T10] netlink_unicast+0x449/0x710 [ 59.820058][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.820058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.820058][ T10] ___sys_sendmsg+0xee/0x170 [ 59.820058][ T10] __sys_sendmsg+0xcd/0x170 [ 59.820058][ T10] do_syscall_64+0xc6/0x1e0 [ 59.820058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.820058][ T10] [ 59.822079][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 59.822079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.822079][ T10] ipv6_find_idev+0x102/0x170 [ 59.822079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.822079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.822079][ T10] netlink_rcv_skb+0x130/0x360 [ 59.822079][ T10] netlink_unicast+0x449/0x710 [ 59.822079][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.822079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.822079][ T10] ___sys_sendmsg+0xee/0x170 [ 59.822079][ T10] __sys_sendmsg+0xcd/0x170 [ 59.822079][ T10] do_syscall_64+0xc6/0x1e0 [ 59.822079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.822079][ T10] [ 59.823650][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 59.823650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.823650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.823650][ T10] ipv6_find_idev+0x102/0x170 [ 59.823650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.823650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.823650][ T10] netlink_rcv_skb+0x130/0x360 [ 59.823650][ T10] netlink_unicast+0x449/0x710 [ 59.823650][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.823650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.823650][ T10] ___sys_sendmsg+0xee/0x170 [ 59.823650][ T10] __sys_sendmsg+0xcd/0x170 [ 59.823650][ T10] do_syscall_64+0xc6/0x1e0 [ 59.823650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.823650][ T10] [ 59.825359][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 59.825630][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 59.825630][ T10] netdev_get_by_index+0x5e/0x80 [ 59.825630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.825630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.825630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.825630][ T10] ipv6_add_addr+0x411/0x2000 [ 59.825630][ T10] inet6_addr_add+0x30e/0xa40 [ 59.825630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.825630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.825630][ T10] netlink_rcv_skb+0x130/0x360 [ 59.825630][ T10] netlink_unicast+0x449/0x710 [ 59.825630][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.825630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.825630][ T10] ___sys_sendmsg+0xee/0x170 [ 59.825630][ T10] __sys_sendmsg+0xcd/0x170 [ 59.825630][ T10] do_syscall_64+0xc6/0x1e0 [ 59.825630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.825630][ T10] [ 59.827650][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 59.827650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.827650][ T10] ipv6_find_idev+0x102/0x170 [ 59.827650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.827650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.827650][ T10] netlink_rcv_skb+0x130/0x360 [ 59.827650][ T10] netlink_unicast+0x449/0x710 [ 59.827650][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.827650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.827650][ T10] ___sys_sendmsg+0xee/0x170 [ 59.827650][ T10] __sys_sendmsg+0xcd/0x170 [ 59.827650][ T10] do_syscall_64+0xc6/0x1e0 [ 59.827650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.827650][ T10] [ 59.829211][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 59.829211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.829211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.829211][ T10] ipv6_find_idev+0x102/0x170 [ 59.829211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.829211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.829211][ T10] netlink_rcv_skb+0x130/0x360 [ 59.829211][ T10] netlink_unicast+0x449/0x710 [ 59.829211][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.829211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.829211][ T10] ___sys_sendmsg+0xee/0x170 [ 59.829211][ T10] __sys_sendmsg+0xcd/0x170 [ 59.829211][ T10] do_syscall_64+0xc6/0x1e0 [ 59.829211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.829211][ T10] [ 59.830904][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 59.831341][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 59.831341][ T10] netdev_get_by_index+0x5e/0x80 [ 59.831341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.831341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.831341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.831341][ T10] ipv6_add_addr+0x411/0x2000 [ 59.831341][ T10] inet6_addr_add+0x30e/0xa40 [ 59.831341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.831341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.831341][ T10] netlink_rcv_skb+0x130/0x360 [ 59.831341][ T10] netlink_unicast+0x449/0x710 [ 59.831341][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.831341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.831341][ T10] ___sys_sendmsg+0xee/0x170 [ 59.831341][ T10] __sys_sendmsg+0xcd/0x170 [ 59.831341][ T10] do_syscall_64+0xc6/0x1e0 [ 59.831341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.831341][ T10] [ 59.833371][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 59.833371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.833371][ T10] ipv6_find_idev+0x102/0x170 [ 59.833371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.833371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.833371][ T10] netlink_rcv_skb+0x130/0x360 [ 59.833371][ T10] netlink_unicast+0x449/0x710 [ 59.833371][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.833371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.833371][ T10] ___sys_sendmsg+0xee/0x170 [ 59.833371][ T10] __sys_sendmsg+0xcd/0x170 [ 59.833371][ T10] do_syscall_64+0xc6/0x1e0 [ 59.833371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.833371][ T10] [ 59.834973][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 59.834973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.834973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.834973][ T10] ipv6_find_idev+0x102/0x170 [ 59.834973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.834973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.834973][ T10] netlink_rcv_skb+0x130/0x360 [ 59.834973][ T10] netlink_unicast+0x449/0x710 [ 59.834973][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.834973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.834973][ T10] ___sys_sendmsg+0xee/0x170 [ 59.834973][ T10] __sys_sendmsg+0xcd/0x170 [ 59.834973][ T10] do_syscall_64+0xc6/0x1e0 [ 59.834973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.834973][ T10] [ 59.836892][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 59.837157][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 59.837157][ T10] netdev_get_by_index+0x5e/0x80 [ 59.837157][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.837157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.837157][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.837157][ T10] ipv6_add_addr+0x411/0x2000 [ 59.837157][ T10] inet6_addr_add+0x30e/0xa40 [ 59.837157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.837157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.837157][ T10] netlink_rcv_skb+0x130/0x360 [ 59.837157][ T10] netlink_unicast+0x449/0x710 [ 59.837157][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.837157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.837157][ T10] ___sys_sendmsg+0xee/0x170 [ 59.837157][ T10] __sys_sendmsg+0xcd/0x170 [ 59.837157][ T10] do_syscall_64+0xc6/0x1e0 [ 59.837157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.837157][ T10] [ 59.839418][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 59.839418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.839418][ T10] ipv6_find_idev+0x102/0x170 [ 59.839418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.839418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.839418][ T10] netlink_rcv_skb+0x130/0x360 [ 59.839418][ T10] netlink_unicast+0x449/0x710 [ 59.839418][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.839418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.839418][ T10] ___sys_sendmsg+0xee/0x170 [ 59.839418][ T10] __sys_sendmsg+0xcd/0x170 [ 59.839418][ T10] do_syscall_64+0xc6/0x1e0 [ 59.839418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.839418][ T10] [ 59.841178][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 59.841178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.841178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.841178][ T10] ipv6_find_idev+0x102/0x170 [ 59.841178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.841178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.841178][ T10] netlink_rcv_skb+0x130/0x360 [ 59.841178][ T10] netlink_unicast+0x449/0x710 [ 59.841178][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.841178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.841178][ T10] ___sys_sendmsg+0xee/0x170 [ 59.841178][ T10] __sys_sendmsg+0xcd/0x170 [ 59.841178][ T10] do_syscall_64+0xc6/0x1e0 [ 59.841178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.841178][ T10] [ 59.843439][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 59.843734][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 59.843734][ T10] netdev_get_by_index+0x5e/0x80 [ 59.843734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.843734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.843734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.843734][ T10] ipv6_add_addr+0x411/0x2000 [ 59.843734][ T10] inet6_addr_add+0x30e/0xa40 [ 59.843734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.843734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.843734][ T10] netlink_rcv_skb+0x130/0x360 [ 59.843734][ T10] netlink_unicast+0x449/0x710 [ 59.843734][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.843734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.843734][ T10] ___sys_sendmsg+0xee/0x170 [ 59.843734][ T10] __sys_sendmsg+0xcd/0x170 [ 59.843734][ T10] do_syscall_64+0xc6/0x1e0 [ 59.843734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.843734][ T10] [ 59.845965][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 59.845965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.845965][ T10] ipv6_find_idev+0x102/0x170 [ 59.845965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.845965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.845965][ T10] netlink_rcv_skb+0x130/0x360 [ 59.845965][ T10] netlink_unicast+0x449/0x710 [ 59.845965][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.845965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.845965][ T10] ___sys_sendmsg+0xee/0x170 [ 59.845965][ T10] __sys_sendmsg+0xcd/0x170 [ 59.845965][ T10] do_syscall_64+0xc6/0x1e0 [ 59.845965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.845965][ T10] [ 59.847612][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 59.847612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.847612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.847612][ T10] ipv6_find_idev+0x102/0x170 [ 59.847612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.847612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.847612][ T10] netlink_rcv_skb+0x130/0x360 [ 59.847612][ T10] netlink_unicast+0x449/0x710 [ 59.847612][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.847612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.847612][ T10] ___sys_sendmsg+0xee/0x170 [ 59.847612][ T10] __sys_sendmsg+0xcd/0x170 [ 59.847612][ T10] do_syscall_64+0xc6/0x1e0 [ 59.847612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.847612][ T10] [ 59.849511][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 59.849941][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 59.849941][ T10] netdev_get_by_index+0x5e/0x80 [ 59.849941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.849941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.849941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.849941][ T10] ipv6_add_addr+0x411/0x2000 [ 59.849941][ T10] inet6_addr_add+0x30e/0xa40 [ 59.849941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.849941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.849941][ T10] netlink_rcv_skb+0x130/0x360 [ 59.849941][ T10] netlink_unicast+0x449/0x710 [ 59.849941][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.849941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.849941][ T10] ___sys_sendmsg+0xee/0x170 [ 59.849941][ T10] __sys_sendmsg+0xcd/0x170 [ 59.849941][ T10] do_syscall_64+0xc6/0x1e0 [ 59.849941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.849941][ T10] [ 59.852412][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 59.852412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.852412][ T10] ipv6_find_idev+0x102/0x170 [ 59.852412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.852412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.852412][ T10] netlink_rcv_skb+0x130/0x360 [ 59.852412][ T10] netlink_unicast+0x449/0x710 [ 59.852412][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.852412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.852412][ T10] ___sys_sendmsg+0xee/0x170 [ 59.852412][ T10] __sys_sendmsg+0xcd/0x170 [ 59.852412][ T10] do_syscall_64+0xc6/0x1e0 [ 59.852412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.852412][ T10] [ 59.854135][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 59.854135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.854135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.854135][ T10] ipv6_find_idev+0x102/0x170 [ 59.854135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.854135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.854135][ T10] netlink_rcv_skb+0x130/0x360 [ 59.854135][ T10] netlink_unicast+0x449/0x710 [ 59.854135][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.854135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.854135][ T10] ___sys_sendmsg+0xee/0x170 [ 59.854135][ T10] __sys_sendmsg+0xcd/0x170 [ 59.854135][ T10] do_syscall_64+0xc6/0x1e0 [ 59.854135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.854135][ T10] [ 59.856058][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 59.856390][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 59.856390][ T10] netdev_get_by_index+0x5e/0x80 [ 59.856390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 59.856390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 59.856390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 59.856390][ T10] ipv6_add_addr+0x411/0x2000 [ 59.856390][ T10] inet6_addr_add+0x30e/0xa40 [ 59.856390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 59.856390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.856390][ T10] netlink_rcv_skb+0x130/0x360 [ 59.856390][ T10] netlink_unicast+0x449/0x710 [ 59.856390][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.856390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.856390][ T10] ___sys_sendmsg+0xee/0x170 [ 59.856390][ T10] __sys_sendmsg+0xcd/0x170 [ 59.856390][ T10] do_syscall_64+0xc6/0x1e0 [ 59.856390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.856390][ T10] [ 59.858458][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 59.858458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 59.858458][ T10] ipv6_find_idev+0x102/0x170 [ 59.858458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.858458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.858458][ T10] netlink_rcv_skb+0x130/0x360 [ 59.858458][ T10] netlink_unicast+0x449/0x710 [ 59.858458][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.858458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.858458][ T10] ___sys_sendmsg+0xee/0x170 [ 59.858458][ T10] __sys_sendmsg+0xcd/0x170 [ 59.858458][ T10] do_syscall_64+0xc6/0x1e0 [ 59.858458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.858458][ T10] [ 59.860027][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 59.860027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 59.860027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 59.860027][ T10] ipv6_find_idev+0x102/0x170 [ 59.860027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 59.860027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 59.860027][ T10] netlink_rcv_skb+0x130/0x360 [ 59.860027][ T10] netlink_unicast+0x449/0x710 [ 59.860027][ T10] netlink_sendmsg+0x723/0xbe0 [ 59.860027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 59.860027][ T10] ___sys_sendmsg+0xee/0x170 [ 59.860027][ T10] __sys_sendmsg+0xcd/0x170 [ 59.860027][ T10] do_syscall_64+0xc6/0x1e0 [ 59.860027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 59.860027][ T10] [ 69.998790][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 69.999143][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 69.999143][ T10] netdev_get_by_index+0x5e/0x80 [ 69.999143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 69.999143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 69.999143][ T10] addrconf_f6i_alloc+0x244/0x410 [ 69.999143][ T10] ipv6_add_addr+0x411/0x2000 [ 69.999143][ T10] inet6_addr_add+0x30e/0xa40 [ 69.999143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 69.999143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 69.999143][ T10] netlink_rcv_skb+0x130/0x360 [ 69.999143][ T10] netlink_unicast+0x449/0x710 [ 69.999143][ T10] netlink_sendmsg+0x723/0xbe0 [ 69.999143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 69.999143][ T10] ___sys_sendmsg+0xee/0x170 [ 69.999143][ T10] __sys_sendmsg+0xcd/0x170 [ 69.999143][ T10] do_syscall_64+0xc6/0x1e0 [ 69.999143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 69.999143][ T10] [ 70.001311][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 70.001311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.001311][ T10] ipv6_find_idev+0x102/0x170 [ 70.001311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.001311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.001311][ T10] netlink_rcv_skb+0x130/0x360 [ 70.001311][ T10] netlink_unicast+0x449/0x710 [ 70.001311][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.001311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.001311][ T10] ___sys_sendmsg+0xee/0x170 [ 70.001311][ T10] __sys_sendmsg+0xcd/0x170 [ 70.001311][ T10] do_syscall_64+0xc6/0x1e0 [ 70.001311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.001311][ T10] [ 70.002971][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 70.002971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.002971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.002971][ T10] ipv6_find_idev+0x102/0x170 [ 70.002971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.002971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.002971][ T10] netlink_rcv_skb+0x130/0x360 [ 70.002971][ T10] netlink_unicast+0x449/0x710 [ 70.002971][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.002971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.002971][ T10] ___sys_sendmsg+0xee/0x170 [ 70.002971][ T10] __sys_sendmsg+0xcd/0x170 [ 70.002971][ T10] do_syscall_64+0xc6/0x1e0 [ 70.002971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.002971][ T10] [ 70.004788][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 70.005074][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 70.005074][ T10] netdev_get_by_index+0x5e/0x80 [ 70.005074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 70.005074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 70.005074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 70.005074][ T10] ipv6_add_addr+0x411/0x2000 [ 70.005074][ T10] inet6_addr_add+0x30e/0xa40 [ 70.005074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 70.005074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.005074][ T10] netlink_rcv_skb+0x130/0x360 [ 70.005074][ T10] netlink_unicast+0x449/0x710 [ 70.005074][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.005074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.005074][ T10] ___sys_sendmsg+0xee/0x170 [ 70.005074][ T10] __sys_sendmsg+0xcd/0x170 [ 70.005074][ T10] do_syscall_64+0xc6/0x1e0 [ 70.005074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.005074][ T10] [ 70.007206][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 70.007206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.007206][ T10] ipv6_find_idev+0x102/0x170 [ 70.007206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.007206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.007206][ T10] netlink_rcv_skb+0x130/0x360 [ 70.007206][ T10] netlink_unicast+0x449/0x710 [ 70.007206][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.007206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.007206][ T10] ___sys_sendmsg+0xee/0x170 [ 70.007206][ T10] __sys_sendmsg+0xcd/0x170 [ 70.007206][ T10] do_syscall_64+0xc6/0x1e0 [ 70.007206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.007206][ T10] [ 70.008857][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 70.008857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.008857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.008857][ T10] ipv6_find_idev+0x102/0x170 [ 70.008857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.008857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.008857][ T10] netlink_rcv_skb+0x130/0x360 [ 70.008857][ T10] netlink_unicast+0x449/0x710 [ 70.008857][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.008857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.008857][ T10] ___sys_sendmsg+0xee/0x170 [ 70.008857][ T10] __sys_sendmsg+0xcd/0x170 [ 70.008857][ T10] do_syscall_64+0xc6/0x1e0 [ 70.008857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.008857][ T10] [ 70.010629][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 70.010922][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 70.010922][ T10] netdev_get_by_index+0x5e/0x80 [ 70.010922][ T10] fib6_nh_init+0x3d8/0x15b0 [ 70.010922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 70.010922][ T10] addrconf_f6i_alloc+0x244/0x410 [ 70.010922][ T10] ipv6_add_addr+0x411/0x2000 [ 70.010922][ T10] inet6_addr_add+0x30e/0xa40 [ 70.010922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 70.010922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.010922][ T10] netlink_rcv_skb+0x130/0x360 [ 70.010922][ T10] netlink_unicast+0x449/0x710 [ 70.010922][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.010922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.010922][ T10] ___sys_sendmsg+0xee/0x170 [ 70.010922][ T10] __sys_sendmsg+0xcd/0x170 [ 70.010922][ T10] do_syscall_64+0xc6/0x1e0 [ 70.010922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.010922][ T10] [ 70.013059][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 70.013059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.013059][ T10] ipv6_find_idev+0x102/0x170 [ 70.013059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.013059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.013059][ T10] netlink_rcv_skb+0x130/0x360 [ 70.013059][ T10] netlink_unicast+0x449/0x710 [ 70.013059][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.013059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.013059][ T10] ___sys_sendmsg+0xee/0x170 [ 70.013059][ T10] __sys_sendmsg+0xcd/0x170 [ 70.013059][ T10] do_syscall_64+0xc6/0x1e0 [ 70.013059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.013059][ T10] [ 70.014712][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 70.014712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.014712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.014712][ T10] ipv6_find_idev+0x102/0x170 [ 70.014712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.014712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.014712][ T10] netlink_rcv_skb+0x130/0x360 [ 70.014712][ T10] netlink_unicast+0x449/0x710 [ 70.014712][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.014712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.014712][ T10] ___sys_sendmsg+0xee/0x170 [ 70.014712][ T10] __sys_sendmsg+0xcd/0x170 [ 70.014712][ T10] do_syscall_64+0xc6/0x1e0 [ 70.014712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.014712][ T10] [ 70.016505][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 70.016791][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 70.016791][ T10] netdev_get_by_index+0x5e/0x80 [ 70.016791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 70.016791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 70.016791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 70.016791][ T10] ipv6_add_addr+0x411/0x2000 [ 70.016791][ T10] inet6_addr_add+0x30e/0xa40 [ 70.016791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 70.016791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.016791][ T10] netlink_rcv_skb+0x130/0x360 [ 70.016791][ T10] netlink_unicast+0x449/0x710 [ 70.016791][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.016791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.016791][ T10] ___sys_sendmsg+0xee/0x170 [ 70.016791][ T10] __sys_sendmsg+0xcd/0x170 [ 70.016791][ T10] do_syscall_64+0xc6/0x1e0 [ 70.016791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.016791][ T10] [ 70.019088][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 70.019088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.019088][ T10] ipv6_find_idev+0x102/0x170 [ 70.019088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.019088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.019088][ T10] netlink_rcv_skb+0x130/0x360 [ 70.019088][ T10] netlink_unicast+0x449/0x710 [ 70.019088][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.019088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.019088][ T10] ___sys_sendmsg+0xee/0x170 [ 70.019088][ T10] __sys_sendmsg+0xcd/0x170 [ 70.019088][ T10] do_syscall_64+0xc6/0x1e0 [ 70.019088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.019088][ T10] [ 70.020725][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 70.020725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.020725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.020725][ T10] ipv6_find_idev+0x102/0x170 [ 70.020725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.020725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.020725][ T10] netlink_rcv_skb+0x130/0x360 [ 70.020725][ T10] netlink_unicast+0x449/0x710 [ 70.020725][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.020725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.020725][ T10] ___sys_sendmsg+0xee/0x170 [ 70.020725][ T10] __sys_sendmsg+0xcd/0x170 [ 70.020725][ T10] do_syscall_64+0xc6/0x1e0 [ 70.020725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.020725][ T10] [ 70.022589][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 70.022947][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 70.022947][ T10] netdev_get_by_index+0x5e/0x80 [ 70.022947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 70.022947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 70.022947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 70.022947][ T10] ipv6_add_addr+0x411/0x2000 [ 70.022947][ T10] inet6_addr_add+0x30e/0xa40 [ 70.022947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 70.022947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.022947][ T10] netlink_rcv_skb+0x130/0x360 [ 70.022947][ T10] netlink_unicast+0x449/0x710 [ 70.022947][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.022947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.022947][ T10] ___sys_sendmsg+0xee/0x170 [ 70.022947][ T10] __sys_sendmsg+0xcd/0x170 [ 70.022947][ T10] do_syscall_64+0xc6/0x1e0 [ 70.022947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.022947][ T10] [ 70.025286][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 70.025286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.025286][ T10] ipv6_find_idev+0x102/0x170 [ 70.025286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.025286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.025286][ T10] netlink_rcv_skb+0x130/0x360 [ 70.025286][ T10] netlink_unicast+0x449/0x710 [ 70.025286][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.025286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.025286][ T10] ___sys_sendmsg+0xee/0x170 [ 70.025286][ T10] __sys_sendmsg+0xcd/0x170 [ 70.025286][ T10] do_syscall_64+0xc6/0x1e0 [ 70.025286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.025286][ T10] [ 70.027097][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 70.027097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.027097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.027097][ T10] ipv6_find_idev+0x102/0x170 [ 70.027097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.027097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.027097][ T10] netlink_rcv_skb+0x130/0x360 [ 70.027097][ T10] netlink_unicast+0x449/0x710 [ 70.027097][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.027097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.027097][ T10] ___sys_sendmsg+0xee/0x170 [ 70.027097][ T10] __sys_sendmsg+0xcd/0x170 [ 70.027097][ T10] do_syscall_64+0xc6/0x1e0 [ 70.027097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.027097][ T10] [ 70.029089][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 70.029372][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 70.029372][ T10] netdev_get_by_index+0x5e/0x80 [ 70.029372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 70.029372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 70.029372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 70.029372][ T10] ipv6_add_addr+0x411/0x2000 [ 70.029372][ T10] inet6_addr_add+0x30e/0xa40 [ 70.029372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 70.029372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.029372][ T10] netlink_rcv_skb+0x130/0x360 [ 70.029372][ T10] netlink_unicast+0x449/0x710 [ 70.029372][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.029372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.029372][ T10] ___sys_sendmsg+0xee/0x170 [ 70.029372][ T10] __sys_sendmsg+0xcd/0x170 [ 70.029372][ T10] do_syscall_64+0xc6/0x1e0 [ 70.029372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.029372][ T10] [ 70.031698][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 70.031698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.031698][ T10] ipv6_find_idev+0x102/0x170 [ 70.031698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.031698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.031698][ T10] netlink_rcv_skb+0x130/0x360 [ 70.031698][ T10] netlink_unicast+0x449/0x710 [ 70.031698][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.031698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.031698][ T10] ___sys_sendmsg+0xee/0x170 [ 70.031698][ T10] __sys_sendmsg+0xcd/0x170 [ 70.031698][ T10] do_syscall_64+0xc6/0x1e0 [ 70.031698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.031698][ T10] [ 70.033529][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 70.033529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.033529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.033529][ T10] ipv6_find_idev+0x102/0x170 [ 70.033529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.033529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.033529][ T10] netlink_rcv_skb+0x130/0x360 [ 70.033529][ T10] netlink_unicast+0x449/0x710 [ 70.033529][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.033529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.033529][ T10] ___sys_sendmsg+0xee/0x170 [ 70.033529][ T10] __sys_sendmsg+0xcd/0x170 [ 70.033529][ T10] do_syscall_64+0xc6/0x1e0 [ 70.033529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.033529][ T10] [ 70.035848][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 70.036581][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 70.036581][ T10] netdev_get_by_index+0x5e/0x80 [ 70.036581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 70.036581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 70.036581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 70.036581][ T10] ipv6_add_addr+0x411/0x2000 [ 70.036581][ T10] inet6_addr_add+0x30e/0xa40 [ 70.036581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 70.036581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.036581][ T10] netlink_rcv_skb+0x130/0x360 [ 70.036581][ T10] netlink_unicast+0x449/0x710 [ 70.036581][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.036581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.036581][ T10] ___sys_sendmsg+0xee/0x170 [ 70.036581][ T10] __sys_sendmsg+0xcd/0x170 [ 70.036581][ T10] do_syscall_64+0xc6/0x1e0 [ 70.036581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.036581][ T10] [ 70.038695][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 70.038695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.038695][ T10] ipv6_find_idev+0x102/0x170 [ 70.038695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.038695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.038695][ T10] netlink_rcv_skb+0x130/0x360 [ 70.038695][ T10] netlink_unicast+0x449/0x710 [ 70.038695][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.038695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.038695][ T10] ___sys_sendmsg+0xee/0x170 [ 70.038695][ T10] __sys_sendmsg+0xcd/0x170 [ 70.038695][ T10] do_syscall_64+0xc6/0x1e0 [ 70.038695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.038695][ T10] [ 70.040481][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 70.040481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.040481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.040481][ T10] ipv6_find_idev+0x102/0x170 [ 70.040481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.040481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.040481][ T10] netlink_rcv_skb+0x130/0x360 [ 70.040481][ T10] netlink_unicast+0x449/0x710 [ 70.040481][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.040481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.040481][ T10] ___sys_sendmsg+0xee/0x170 [ 70.040481][ T10] __sys_sendmsg+0xcd/0x170 [ 70.040481][ T10] do_syscall_64+0xc6/0x1e0 [ 70.040481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.040481][ T10] [ 70.042541][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 70.042874][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 70.042874][ T10] netdev_get_by_index+0x5e/0x80 [ 70.042874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 70.042874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 70.042874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 70.042874][ T10] ipv6_add_addr+0x411/0x2000 [ 70.042874][ T10] inet6_addr_add+0x30e/0xa40 [ 70.042874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 70.042874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.042874][ T10] netlink_rcv_skb+0x130/0x360 [ 70.042874][ T10] netlink_unicast+0x449/0x710 [ 70.042874][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.042874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.042874][ T10] ___sys_sendmsg+0xee/0x170 [ 70.042874][ T10] __sys_sendmsg+0xcd/0x170 [ 70.042874][ T10] do_syscall_64+0xc6/0x1e0 [ 70.042874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.042874][ T10] [ 70.044973][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 70.044973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 70.044973][ T10] ipv6_find_idev+0x102/0x170 [ 70.044973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.044973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.044973][ T10] netlink_rcv_skb+0x130/0x360 [ 70.044973][ T10] netlink_unicast+0x449/0x710 [ 70.044973][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.044973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.044973][ T10] ___sys_sendmsg+0xee/0x170 [ 70.044973][ T10] __sys_sendmsg+0xcd/0x170 [ 70.044973][ T10] do_syscall_64+0xc6/0x1e0 [ 70.044973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.044973][ T10] [ 70.046675][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 70.046675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 70.046675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 70.046675][ T10] ipv6_find_idev+0x102/0x170 [ 70.046675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 70.046675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 70.046675][ T10] netlink_rcv_skb+0x130/0x360 [ 70.046675][ T10] netlink_unicast+0x449/0x710 [ 70.046675][ T10] netlink_sendmsg+0x723/0xbe0 [ 70.046675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 70.046675][ T10] ___sys_sendmsg+0xee/0x170 [ 70.046675][ T10] __sys_sendmsg+0xcd/0x170 [ 70.046675][ T10] do_syscall_64+0xc6/0x1e0 [ 70.046675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 70.046675][ T10] [ 80.181880][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 80.182241][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 80.182241][ T10] netdev_get_by_index+0x5e/0x80 [ 80.182241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.182241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.182241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.182241][ T10] ipv6_add_addr+0x411/0x2000 [ 80.182241][ T10] inet6_addr_add+0x30e/0xa40 [ 80.182241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.182241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.182241][ T10] netlink_rcv_skb+0x130/0x360 [ 80.182241][ T10] netlink_unicast+0x449/0x710 [ 80.182241][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.182241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.182241][ T10] ___sys_sendmsg+0xee/0x170 [ 80.182241][ T10] __sys_sendmsg+0xcd/0x170 [ 80.182241][ T10] do_syscall_64+0xc6/0x1e0 [ 80.182241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.182241][ T10] [ 80.184473][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 80.184473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.184473][ T10] ipv6_find_idev+0x102/0x170 [ 80.184473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.184473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.184473][ T10] netlink_rcv_skb+0x130/0x360 [ 80.184473][ T10] netlink_unicast+0x449/0x710 [ 80.184473][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.184473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.184473][ T10] ___sys_sendmsg+0xee/0x170 [ 80.184473][ T10] __sys_sendmsg+0xcd/0x170 [ 80.184473][ T10] do_syscall_64+0xc6/0x1e0 [ 80.184473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.184473][ T10] [ 80.186179][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 80.186179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.186179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.186179][ T10] ipv6_find_idev+0x102/0x170 [ 80.186179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.186179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.186179][ T10] netlink_rcv_skb+0x130/0x360 [ 80.186179][ T10] netlink_unicast+0x449/0x710 [ 80.186179][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.186179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.186179][ T10] ___sys_sendmsg+0xee/0x170 [ 80.186179][ T10] __sys_sendmsg+0xcd/0x170 [ 80.186179][ T10] do_syscall_64+0xc6/0x1e0 [ 80.186179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.186179][ T10] [ 80.188049][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 80.188346][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 80.188346][ T10] netdev_get_by_index+0x5e/0x80 [ 80.188346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.188346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.188346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.188346][ T10] ipv6_add_addr+0x411/0x2000 [ 80.188346][ T10] inet6_addr_add+0x30e/0xa40 [ 80.188346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.188346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.188346][ T10] netlink_rcv_skb+0x130/0x360 [ 80.188346][ T10] netlink_unicast+0x449/0x710 [ 80.188346][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.188346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.188346][ T10] ___sys_sendmsg+0xee/0x170 [ 80.188346][ T10] __sys_sendmsg+0xcd/0x170 [ 80.188346][ T10] do_syscall_64+0xc6/0x1e0 [ 80.188346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.188346][ T10] [ 80.190542][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 80.190542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.190542][ T10] ipv6_find_idev+0x102/0x170 [ 80.190542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.190542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.190542][ T10] netlink_rcv_skb+0x130/0x360 [ 80.190542][ T10] netlink_unicast+0x449/0x710 [ 80.190542][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.190542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.190542][ T10] ___sys_sendmsg+0xee/0x170 [ 80.190542][ T10] __sys_sendmsg+0xcd/0x170 [ 80.190542][ T10] do_syscall_64+0xc6/0x1e0 [ 80.190542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.190542][ T10] [ 80.192254][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 80.192254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.192254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.192254][ T10] ipv6_find_idev+0x102/0x170 [ 80.192254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.192254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.192254][ T10] netlink_rcv_skb+0x130/0x360 [ 80.192254][ T10] netlink_unicast+0x449/0x710 [ 80.192254][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.192254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.192254][ T10] ___sys_sendmsg+0xee/0x170 [ 80.192254][ T10] __sys_sendmsg+0xcd/0x170 [ 80.192254][ T10] do_syscall_64+0xc6/0x1e0 [ 80.192254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.192254][ T10] [ 80.194154][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 80.194446][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 80.194446][ T10] netdev_get_by_index+0x5e/0x80 [ 80.194446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.194446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.194446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.194446][ T10] ipv6_add_addr+0x411/0x2000 [ 80.194446][ T10] inet6_addr_add+0x30e/0xa40 [ 80.194446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.194446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.194446][ T10] netlink_rcv_skb+0x130/0x360 [ 80.194446][ T10] netlink_unicast+0x449/0x710 [ 80.194446][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.194446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.194446][ T10] ___sys_sendmsg+0xee/0x170 [ 80.194446][ T10] __sys_sendmsg+0xcd/0x170 [ 80.194446][ T10] do_syscall_64+0xc6/0x1e0 [ 80.194446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.194446][ T10] [ 80.196649][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 80.196649][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.196649][ T10] ipv6_find_idev+0x102/0x170 [ 80.196649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.196649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.196649][ T10] netlink_rcv_skb+0x130/0x360 [ 80.196649][ T10] netlink_unicast+0x449/0x710 [ 80.196649][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.196649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.196649][ T10] ___sys_sendmsg+0xee/0x170 [ 80.196649][ T10] __sys_sendmsg+0xcd/0x170 [ 80.196649][ T10] do_syscall_64+0xc6/0x1e0 [ 80.196649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.196649][ T10] [ 80.198358][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 80.198358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.198358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.198358][ T10] ipv6_find_idev+0x102/0x170 [ 80.198358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.198358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.198358][ T10] netlink_rcv_skb+0x130/0x360 [ 80.198358][ T10] netlink_unicast+0x449/0x710 [ 80.198358][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.198358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.198358][ T10] ___sys_sendmsg+0xee/0x170 [ 80.198358][ T10] __sys_sendmsg+0xcd/0x170 [ 80.198358][ T10] do_syscall_64+0xc6/0x1e0 [ 80.198358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.198358][ T10] [ 80.200231][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 80.200527][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 80.200527][ T10] netdev_get_by_index+0x5e/0x80 [ 80.200527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.200527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.200527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.200527][ T10] ipv6_add_addr+0x411/0x2000 [ 80.200527][ T10] inet6_addr_add+0x30e/0xa40 [ 80.200527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.200527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.200527][ T10] netlink_rcv_skb+0x130/0x360 [ 80.200527][ T10] netlink_unicast+0x449/0x710 [ 80.200527][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.200527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.200527][ T10] ___sys_sendmsg+0xee/0x170 [ 80.200527][ T10] __sys_sendmsg+0xcd/0x170 [ 80.200527][ T10] do_syscall_64+0xc6/0x1e0 [ 80.200527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.200527][ T10] [ 80.202765][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 80.202765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.202765][ T10] ipv6_find_idev+0x102/0x170 [ 80.202765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.202765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.202765][ T10] netlink_rcv_skb+0x130/0x360 [ 80.202765][ T10] netlink_unicast+0x449/0x710 [ 80.202765][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.202765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.202765][ T10] ___sys_sendmsg+0xee/0x170 [ 80.202765][ T10] __sys_sendmsg+0xcd/0x170 [ 80.202765][ T10] do_syscall_64+0xc6/0x1e0 [ 80.202765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.202765][ T10] [ 80.204665][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 80.204665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.204665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.204665][ T10] ipv6_find_idev+0x102/0x170 [ 80.204665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.204665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.204665][ T10] netlink_rcv_skb+0x130/0x360 [ 80.204665][ T10] netlink_unicast+0x449/0x710 [ 80.204665][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.204665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.204665][ T10] ___sys_sendmsg+0xee/0x170 [ 80.204665][ T10] __sys_sendmsg+0xcd/0x170 [ 80.204665][ T10] do_syscall_64+0xc6/0x1e0 [ 80.204665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.204665][ T10] [ 80.206758][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 80.207107][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 80.207107][ T10] netdev_get_by_index+0x5e/0x80 [ 80.207107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.207107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.207107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.207107][ T10] ipv6_add_addr+0x411/0x2000 [ 80.207107][ T10] inet6_addr_add+0x30e/0xa40 [ 80.207107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.207107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.207107][ T10] netlink_rcv_skb+0x130/0x360 [ 80.207107][ T10] netlink_unicast+0x449/0x710 [ 80.207107][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.207107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.207107][ T10] ___sys_sendmsg+0xee/0x170 [ 80.207107][ T10] __sys_sendmsg+0xcd/0x170 [ 80.207107][ T10] do_syscall_64+0xc6/0x1e0 [ 80.207107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.207107][ T10] [ 80.209431][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 80.209431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.209431][ T10] ipv6_find_idev+0x102/0x170 [ 80.209431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.209431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.209431][ T10] netlink_rcv_skb+0x130/0x360 [ 80.209431][ T10] netlink_unicast+0x449/0x710 [ 80.209431][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.209431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.209431][ T10] ___sys_sendmsg+0xee/0x170 [ 80.209431][ T10] __sys_sendmsg+0xcd/0x170 [ 80.209431][ T10] do_syscall_64+0xc6/0x1e0 [ 80.209431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.209431][ T10] [ 80.211296][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 80.211296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.211296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.211296][ T10] ipv6_find_idev+0x102/0x170 [ 80.211296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.211296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.211296][ T10] netlink_rcv_skb+0x130/0x360 [ 80.211296][ T10] netlink_unicast+0x449/0x710 [ 80.211296][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.211296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.211296][ T10] ___sys_sendmsg+0xee/0x170 [ 80.211296][ T10] __sys_sendmsg+0xcd/0x170 [ 80.211296][ T10] do_syscall_64+0xc6/0x1e0 [ 80.211296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.211296][ T10] [ 80.213410][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 80.213700][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 80.213700][ T10] netdev_get_by_index+0x5e/0x80 [ 80.213700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.213700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.213700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.213700][ T10] ipv6_add_addr+0x411/0x2000 [ 80.213700][ T10] inet6_addr_add+0x30e/0xa40 [ 80.213700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.213700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.213700][ T10] netlink_rcv_skb+0x130/0x360 [ 80.213700][ T10] netlink_unicast+0x449/0x710 [ 80.213700][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.213700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.213700][ T10] ___sys_sendmsg+0xee/0x170 [ 80.213700][ T10] __sys_sendmsg+0xcd/0x170 [ 80.213700][ T10] do_syscall_64+0xc6/0x1e0 [ 80.213700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.213700][ T10] [ 80.216116][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 80.216116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.216116][ T10] ipv6_find_idev+0x102/0x170 [ 80.216116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.216116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.216116][ T10] netlink_rcv_skb+0x130/0x360 [ 80.216116][ T10] netlink_unicast+0x449/0x710 [ 80.216116][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.216116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.216116][ T10] ___sys_sendmsg+0xee/0x170 [ 80.216116][ T10] __sys_sendmsg+0xcd/0x170 [ 80.216116][ T10] do_syscall_64+0xc6/0x1e0 [ 80.216116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.216116][ T10] [ 80.217962][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 80.217962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.217962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.217962][ T10] ipv6_find_idev+0x102/0x170 [ 80.217962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.217962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.217962][ T10] netlink_rcv_skb+0x130/0x360 [ 80.217962][ T10] netlink_unicast+0x449/0x710 [ 80.217962][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.217962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.217962][ T10] ___sys_sendmsg+0xee/0x170 [ 80.217962][ T10] __sys_sendmsg+0xcd/0x170 [ 80.217962][ T10] do_syscall_64+0xc6/0x1e0 [ 80.217962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.217962][ T10] [ 80.220068][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 80.220349][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 80.220349][ T10] netdev_get_by_index+0x5e/0x80 [ 80.220349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.220349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.220349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.220349][ T10] ipv6_add_addr+0x411/0x2000 [ 80.220349][ T10] inet6_addr_add+0x30e/0xa40 [ 80.220349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.220349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.220349][ T10] netlink_rcv_skb+0x130/0x360 [ 80.220349][ T10] netlink_unicast+0x449/0x710 [ 80.220349][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.220349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.220349][ T10] ___sys_sendmsg+0xee/0x170 [ 80.220349][ T10] __sys_sendmsg+0xcd/0x170 [ 80.220349][ T10] do_syscall_64+0xc6/0x1e0 [ 80.220349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.220349][ T10] [ 80.222727][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 80.222727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.222727][ T10] ipv6_find_idev+0x102/0x170 [ 80.222727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.222727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.222727][ T10] netlink_rcv_skb+0x130/0x360 [ 80.222727][ T10] netlink_unicast+0x449/0x710 [ 80.222727][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.222727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.222727][ T10] ___sys_sendmsg+0xee/0x170 [ 80.222727][ T10] __sys_sendmsg+0xcd/0x170 [ 80.222727][ T10] do_syscall_64+0xc6/0x1e0 [ 80.222727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.222727][ T10] [ 80.224606][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 80.224606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.224606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.224606][ T10] ipv6_find_idev+0x102/0x170 [ 80.224606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.224606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.224606][ T10] netlink_rcv_skb+0x130/0x360 [ 80.224606][ T10] netlink_unicast+0x449/0x710 [ 80.224606][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.224606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.224606][ T10] ___sys_sendmsg+0xee/0x170 [ 80.224606][ T10] __sys_sendmsg+0xcd/0x170 [ 80.224606][ T10] do_syscall_64+0xc6/0x1e0 [ 80.224606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.224606][ T10] [ 80.226633][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 80.226959][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 80.226959][ T10] netdev_get_by_index+0x5e/0x80 [ 80.226959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 80.226959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 80.226959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 80.226959][ T10] ipv6_add_addr+0x411/0x2000 [ 80.226959][ T10] inet6_addr_add+0x30e/0xa40 [ 80.226959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 80.226959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.226959][ T10] netlink_rcv_skb+0x130/0x360 [ 80.226959][ T10] netlink_unicast+0x449/0x710 [ 80.226959][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.226959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.226959][ T10] ___sys_sendmsg+0xee/0x170 [ 80.226959][ T10] __sys_sendmsg+0xcd/0x170 [ 80.226959][ T10] do_syscall_64+0xc6/0x1e0 [ 80.226959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.226959][ T10] [ 80.229033][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 80.229033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 80.229033][ T10] ipv6_find_idev+0x102/0x170 [ 80.229033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.229033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.229033][ T10] netlink_rcv_skb+0x130/0x360 [ 80.229033][ T10] netlink_unicast+0x449/0x710 [ 80.229033][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.229033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.229033][ T10] ___sys_sendmsg+0xee/0x170 [ 80.229033][ T10] __sys_sendmsg+0xcd/0x170 [ 80.229033][ T10] do_syscall_64+0xc6/0x1e0 [ 80.229033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.229033][ T10] [ 80.230753][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 80.230753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 80.230753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 80.230753][ T10] ipv6_find_idev+0x102/0x170 [ 80.230753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 80.230753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 80.230753][ T10] netlink_rcv_skb+0x130/0x360 [ 80.230753][ T10] netlink_unicast+0x449/0x710 [ 80.230753][ T10] netlink_sendmsg+0x723/0xbe0 [ 80.230753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 80.230753][ T10] ___sys_sendmsg+0xee/0x170 [ 80.230753][ T10] __sys_sendmsg+0xcd/0x170 [ 80.230753][ T10] do_syscall_64+0xc6/0x1e0 [ 80.230753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.230753][ T10] [ 90.397794][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 90.398121][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 90.398121][ T10] netdev_get_by_index+0x5e/0x80 [ 90.398121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.398121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.398121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.398121][ T10] ipv6_add_addr+0x411/0x2000 [ 90.398121][ T10] inet6_addr_add+0x30e/0xa40 [ 90.398121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.398121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.398121][ T10] netlink_rcv_skb+0x130/0x360 [ 90.398121][ T10] netlink_unicast+0x449/0x710 [ 90.398121][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.398121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.398121][ T10] ___sys_sendmsg+0xee/0x170 [ 90.398121][ T10] __sys_sendmsg+0xcd/0x170 [ 90.398121][ T10] do_syscall_64+0xc6/0x1e0 [ 90.398121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.398121][ T10] [ 90.400138][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 90.400138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.400138][ T10] ipv6_find_idev+0x102/0x170 [ 90.400138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.400138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.400138][ T10] netlink_rcv_skb+0x130/0x360 [ 90.400138][ T10] netlink_unicast+0x449/0x710 [ 90.400138][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.400138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.400138][ T10] ___sys_sendmsg+0xee/0x170 [ 90.400138][ T10] __sys_sendmsg+0xcd/0x170 [ 90.400138][ T10] do_syscall_64+0xc6/0x1e0 [ 90.400138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.400138][ T10] [ 90.401693][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 90.401693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.401693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.401693][ T10] ipv6_find_idev+0x102/0x170 [ 90.401693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.401693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.401693][ T10] netlink_rcv_skb+0x130/0x360 [ 90.401693][ T10] netlink_unicast+0x449/0x710 [ 90.401693][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.401693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.401693][ T10] ___sys_sendmsg+0xee/0x170 [ 90.401693][ T10] __sys_sendmsg+0xcd/0x170 [ 90.401693][ T10] do_syscall_64+0xc6/0x1e0 [ 90.401693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.401693][ T10] [ 90.403402][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 90.403674][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 90.403674][ T10] netdev_get_by_index+0x5e/0x80 [ 90.403674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.403674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.403674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.403674][ T10] ipv6_add_addr+0x411/0x2000 [ 90.403674][ T10] inet6_addr_add+0x30e/0xa40 [ 90.403674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.403674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.403674][ T10] netlink_rcv_skb+0x130/0x360 [ 90.403674][ T10] netlink_unicast+0x449/0x710 [ 90.403674][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.403674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.403674][ T10] ___sys_sendmsg+0xee/0x170 [ 90.403674][ T10] __sys_sendmsg+0xcd/0x170 [ 90.403674][ T10] do_syscall_64+0xc6/0x1e0 [ 90.403674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.403674][ T10] [ 90.405666][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 90.405666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.405666][ T10] ipv6_find_idev+0x102/0x170 [ 90.405666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.405666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.405666][ T10] netlink_rcv_skb+0x130/0x360 [ 90.405666][ T10] netlink_unicast+0x449/0x710 [ 90.405666][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.405666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.405666][ T10] ___sys_sendmsg+0xee/0x170 [ 90.405666][ T10] __sys_sendmsg+0xcd/0x170 [ 90.405666][ T10] do_syscall_64+0xc6/0x1e0 [ 90.405666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.405666][ T10] [ 90.407193][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 90.407193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.407193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.407193][ T10] ipv6_find_idev+0x102/0x170 [ 90.407193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.407193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.407193][ T10] netlink_rcv_skb+0x130/0x360 [ 90.407193][ T10] netlink_unicast+0x449/0x710 [ 90.407193][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.407193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.407193][ T10] ___sys_sendmsg+0xee/0x170 [ 90.407193][ T10] __sys_sendmsg+0xcd/0x170 [ 90.407193][ T10] do_syscall_64+0xc6/0x1e0 [ 90.407193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.407193][ T10] [ 90.408906][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 90.409178][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 90.409178][ T10] netdev_get_by_index+0x5e/0x80 [ 90.409178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.409178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.409178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.409178][ T10] ipv6_add_addr+0x411/0x2000 [ 90.409178][ T10] inet6_addr_add+0x30e/0xa40 [ 90.409178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.409178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.409178][ T10] netlink_rcv_skb+0x130/0x360 [ 90.409178][ T10] netlink_unicast+0x449/0x710 [ 90.409178][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.409178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.409178][ T10] ___sys_sendmsg+0xee/0x170 [ 90.409178][ T10] __sys_sendmsg+0xcd/0x170 [ 90.409178][ T10] do_syscall_64+0xc6/0x1e0 [ 90.409178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.409178][ T10] [ 90.411174][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 90.411174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.411174][ T10] ipv6_find_idev+0x102/0x170 [ 90.411174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.411174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.411174][ T10] netlink_rcv_skb+0x130/0x360 [ 90.411174][ T10] netlink_unicast+0x449/0x710 [ 90.411174][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.411174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.411174][ T10] ___sys_sendmsg+0xee/0x170 [ 90.411174][ T10] __sys_sendmsg+0xcd/0x170 [ 90.411174][ T10] do_syscall_64+0xc6/0x1e0 [ 90.411174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.411174][ T10] [ 90.412721][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 90.412721][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.412721][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.412721][ T10] ipv6_find_idev+0x102/0x170 [ 90.412721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.412721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.412721][ T10] netlink_rcv_skb+0x130/0x360 [ 90.412721][ T10] netlink_unicast+0x449/0x710 [ 90.412721][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.412721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.412721][ T10] ___sys_sendmsg+0xee/0x170 [ 90.412721][ T10] __sys_sendmsg+0xcd/0x170 [ 90.412721][ T10] do_syscall_64+0xc6/0x1e0 [ 90.412721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.412721][ T10] [ 90.414414][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 90.414683][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 90.414683][ T10] netdev_get_by_index+0x5e/0x80 [ 90.414683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.414683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.414683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.414683][ T10] ipv6_add_addr+0x411/0x2000 [ 90.414683][ T10] inet6_addr_add+0x30e/0xa40 [ 90.414683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.414683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.414683][ T10] netlink_rcv_skb+0x130/0x360 [ 90.414683][ T10] netlink_unicast+0x449/0x710 [ 90.414683][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.414683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.414683][ T10] ___sys_sendmsg+0xee/0x170 [ 90.414683][ T10] __sys_sendmsg+0xcd/0x170 [ 90.414683][ T10] do_syscall_64+0xc6/0x1e0 [ 90.414683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.414683][ T10] [ 90.416660][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 90.416660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.416660][ T10] ipv6_find_idev+0x102/0x170 [ 90.416660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.416660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.416660][ T10] netlink_rcv_skb+0x130/0x360 [ 90.416660][ T10] netlink_unicast+0x449/0x710 [ 90.416660][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.416660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.416660][ T10] ___sys_sendmsg+0xee/0x170 [ 90.416660][ T10] __sys_sendmsg+0xcd/0x170 [ 90.416660][ T10] do_syscall_64+0xc6/0x1e0 [ 90.416660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.416660][ T10] [ 90.418182][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 90.418182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.418182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.418182][ T10] ipv6_find_idev+0x102/0x170 [ 90.418182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.418182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.418182][ T10] netlink_rcv_skb+0x130/0x360 [ 90.418182][ T10] netlink_unicast+0x449/0x710 [ 90.418182][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.418182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.418182][ T10] ___sys_sendmsg+0xee/0x170 [ 90.418182][ T10] __sys_sendmsg+0xcd/0x170 [ 90.418182][ T10] do_syscall_64+0xc6/0x1e0 [ 90.418182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.418182][ T10] [ 90.420284][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 90.420998][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 90.420998][ T10] netdev_get_by_index+0x5e/0x80 [ 90.420998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.420998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.420998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.420998][ T10] ipv6_add_addr+0x411/0x2000 [ 90.420998][ T10] inet6_addr_add+0x30e/0xa40 [ 90.420998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.420998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.420998][ T10] netlink_rcv_skb+0x130/0x360 [ 90.420998][ T10] netlink_unicast+0x449/0x710 [ 90.420998][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.420998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.420998][ T10] ___sys_sendmsg+0xee/0x170 [ 90.420998][ T10] __sys_sendmsg+0xcd/0x170 [ 90.420998][ T10] do_syscall_64+0xc6/0x1e0 [ 90.420998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.420998][ T10] [ 90.422988][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 90.422988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.422988][ T10] ipv6_find_idev+0x102/0x170 [ 90.422988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.422988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.422988][ T10] netlink_rcv_skb+0x130/0x360 [ 90.422988][ T10] netlink_unicast+0x449/0x710 [ 90.422988][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.422988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.422988][ T10] ___sys_sendmsg+0xee/0x170 [ 90.422988][ T10] __sys_sendmsg+0xcd/0x170 [ 90.422988][ T10] do_syscall_64+0xc6/0x1e0 [ 90.422988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.422988][ T10] [ 90.424530][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 90.424530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.424530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.424530][ T10] ipv6_find_idev+0x102/0x170 [ 90.424530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.424530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.424530][ T10] netlink_rcv_skb+0x130/0x360 [ 90.424530][ T10] netlink_unicast+0x449/0x710 [ 90.424530][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.424530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.424530][ T10] ___sys_sendmsg+0xee/0x170 [ 90.424530][ T10] __sys_sendmsg+0xcd/0x170 [ 90.424530][ T10] do_syscall_64+0xc6/0x1e0 [ 90.424530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.424530][ T10] [ 90.426212][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 90.426490][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 90.426490][ T10] netdev_get_by_index+0x5e/0x80 [ 90.426490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.426490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.426490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.426490][ T10] ipv6_add_addr+0x411/0x2000 [ 90.426490][ T10] inet6_addr_add+0x30e/0xa40 [ 90.426490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.426490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.426490][ T10] netlink_rcv_skb+0x130/0x360 [ 90.426490][ T10] netlink_unicast+0x449/0x710 [ 90.426490][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.426490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.426490][ T10] ___sys_sendmsg+0xee/0x170 [ 90.426490][ T10] __sys_sendmsg+0xcd/0x170 [ 90.426490][ T10] do_syscall_64+0xc6/0x1e0 [ 90.426490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.426490][ T10] [ 90.428484][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 90.428484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.428484][ T10] ipv6_find_idev+0x102/0x170 [ 90.428484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.428484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.428484][ T10] netlink_rcv_skb+0x130/0x360 [ 90.428484][ T10] netlink_unicast+0x449/0x710 [ 90.428484][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.428484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.428484][ T10] ___sys_sendmsg+0xee/0x170 [ 90.428484][ T10] __sys_sendmsg+0xcd/0x170 [ 90.428484][ T10] do_syscall_64+0xc6/0x1e0 [ 90.428484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.428484][ T10] [ 90.430010][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 90.430010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.430010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.430010][ T10] ipv6_find_idev+0x102/0x170 [ 90.430010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.430010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.430010][ T10] netlink_rcv_skb+0x130/0x360 [ 90.430010][ T10] netlink_unicast+0x449/0x710 [ 90.430010][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.430010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.430010][ T10] ___sys_sendmsg+0xee/0x170 [ 90.430010][ T10] __sys_sendmsg+0xcd/0x170 [ 90.430010][ T10] do_syscall_64+0xc6/0x1e0 [ 90.430010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.430010][ T10] [ 90.431754][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 90.432083][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 90.432083][ T10] netdev_get_by_index+0x5e/0x80 [ 90.432083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.432083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.432083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.432083][ T10] ipv6_add_addr+0x411/0x2000 [ 90.432083][ T10] inet6_addr_add+0x30e/0xa40 [ 90.432083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.432083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.432083][ T10] netlink_rcv_skb+0x130/0x360 [ 90.432083][ T10] netlink_unicast+0x449/0x710 [ 90.432083][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.432083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.432083][ T10] ___sys_sendmsg+0xee/0x170 [ 90.432083][ T10] __sys_sendmsg+0xcd/0x170 [ 90.432083][ T10] do_syscall_64+0xc6/0x1e0 [ 90.432083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.432083][ T10] [ 90.434045][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 90.434045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.434045][ T10] ipv6_find_idev+0x102/0x170 [ 90.434045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.434045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.434045][ T10] netlink_rcv_skb+0x130/0x360 [ 90.434045][ T10] netlink_unicast+0x449/0x710 [ 90.434045][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.434045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.434045][ T10] ___sys_sendmsg+0xee/0x170 [ 90.434045][ T10] __sys_sendmsg+0xcd/0x170 [ 90.434045][ T10] do_syscall_64+0xc6/0x1e0 [ 90.434045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.434045][ T10] [ 90.435632][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 90.435632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.435632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.435632][ T10] ipv6_find_idev+0x102/0x170 [ 90.435632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.435632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.435632][ T10] netlink_rcv_skb+0x130/0x360 [ 90.435632][ T10] netlink_unicast+0x449/0x710 [ 90.435632][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.435632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.435632][ T10] ___sys_sendmsg+0xee/0x170 [ 90.435632][ T10] __sys_sendmsg+0xcd/0x170 [ 90.435632][ T10] do_syscall_64+0xc6/0x1e0 [ 90.435632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.435632][ T10] [ 90.437541][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 90.437877][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 90.437877][ T10] netdev_get_by_index+0x5e/0x80 [ 90.437877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 90.437877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 90.437877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 90.437877][ T10] ipv6_add_addr+0x411/0x2000 [ 90.437877][ T10] inet6_addr_add+0x30e/0xa40 [ 90.437877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 90.437877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.437877][ T10] netlink_rcv_skb+0x130/0x360 [ 90.437877][ T10] netlink_unicast+0x449/0x710 [ 90.437877][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.437877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.437877][ T10] ___sys_sendmsg+0xee/0x170 [ 90.437877][ T10] __sys_sendmsg+0xcd/0x170 [ 90.437877][ T10] do_syscall_64+0xc6/0x1e0 [ 90.437877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.437877][ T10] [ 90.439852][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 90.439852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 90.439852][ T10] ipv6_find_idev+0x102/0x170 [ 90.439852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.439852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.439852][ T10] netlink_rcv_skb+0x130/0x360 [ 90.439852][ T10] netlink_unicast+0x449/0x710 [ 90.439852][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.439852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.439852][ T10] ___sys_sendmsg+0xee/0x170 [ 90.439852][ T10] __sys_sendmsg+0xcd/0x170 [ 90.439852][ T10] do_syscall_64+0xc6/0x1e0 [ 90.439852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.439852][ T10] [ 90.441386][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 90.441386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 90.441386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 90.441386][ T10] ipv6_find_idev+0x102/0x170 [ 90.441386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 90.441386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 90.441386][ T10] netlink_rcv_skb+0x130/0x360 [ 90.441386][ T10] netlink_unicast+0x449/0x710 [ 90.441386][ T10] netlink_sendmsg+0x723/0xbe0 [ 90.441386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 90.441386][ T10] ___sys_sendmsg+0xee/0x170 [ 90.441386][ T10] __sys_sendmsg+0xcd/0x170 [ 90.441386][ T10] do_syscall_64+0xc6/0x1e0 [ 90.441386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 90.441386][ T10] [ 100.582821][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 100.583147][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 100.583147][ T10] netdev_get_by_index+0x5e/0x80 [ 100.583147][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.583147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.583147][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.583147][ T10] ipv6_add_addr+0x411/0x2000 [ 100.583147][ T10] inet6_addr_add+0x30e/0xa40 [ 100.583147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.583147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.583147][ T10] netlink_rcv_skb+0x130/0x360 [ 100.583147][ T10] netlink_unicast+0x449/0x710 [ 100.583147][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.583147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.583147][ T10] ___sys_sendmsg+0xee/0x170 [ 100.583147][ T10] __sys_sendmsg+0xcd/0x170 [ 100.583147][ T10] do_syscall_64+0xc6/0x1e0 [ 100.583147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.583147][ T10] [ 100.585231][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 100.585231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.585231][ T10] ipv6_find_idev+0x102/0x170 [ 100.585231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.585231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.585231][ T10] netlink_rcv_skb+0x130/0x360 [ 100.585231][ T10] netlink_unicast+0x449/0x710 [ 100.585231][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.585231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.585231][ T10] ___sys_sendmsg+0xee/0x170 [ 100.585231][ T10] __sys_sendmsg+0xcd/0x170 [ 100.585231][ T10] do_syscall_64+0xc6/0x1e0 [ 100.585231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.585231][ T10] [ 100.586809][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 100.586809][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.586809][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.586809][ T10] ipv6_find_idev+0x102/0x170 [ 100.586809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.586809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.586809][ T10] netlink_rcv_skb+0x130/0x360 [ 100.586809][ T10] netlink_unicast+0x449/0x710 [ 100.586809][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.586809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.586809][ T10] ___sys_sendmsg+0xee/0x170 [ 100.586809][ T10] __sys_sendmsg+0xcd/0x170 [ 100.586809][ T10] do_syscall_64+0xc6/0x1e0 [ 100.586809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.586809][ T10] [ 100.588524][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 100.588807][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 100.588807][ T10] netdev_get_by_index+0x5e/0x80 [ 100.588807][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.588807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.588807][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.588807][ T10] ipv6_add_addr+0x411/0x2000 [ 100.588807][ T10] inet6_addr_add+0x30e/0xa40 [ 100.588807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.588807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.588807][ T10] netlink_rcv_skb+0x130/0x360 [ 100.588807][ T10] netlink_unicast+0x449/0x710 [ 100.588807][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.588807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.588807][ T10] ___sys_sendmsg+0xee/0x170 [ 100.588807][ T10] __sys_sendmsg+0xcd/0x170 [ 100.588807][ T10] do_syscall_64+0xc6/0x1e0 [ 100.588807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.588807][ T10] [ 100.590819][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 100.590819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.590819][ T10] ipv6_find_idev+0x102/0x170 [ 100.590819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.590819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.590819][ T10] netlink_rcv_skb+0x130/0x360 [ 100.590819][ T10] netlink_unicast+0x449/0x710 [ 100.590819][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.590819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.590819][ T10] ___sys_sendmsg+0xee/0x170 [ 100.590819][ T10] __sys_sendmsg+0xcd/0x170 [ 100.590819][ T10] do_syscall_64+0xc6/0x1e0 [ 100.590819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.590819][ T10] [ 100.592386][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 100.592386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.592386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.592386][ T10] ipv6_find_idev+0x102/0x170 [ 100.592386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.592386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.592386][ T10] netlink_rcv_skb+0x130/0x360 [ 100.592386][ T10] netlink_unicast+0x449/0x710 [ 100.592386][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.592386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.592386][ T10] ___sys_sendmsg+0xee/0x170 [ 100.592386][ T10] __sys_sendmsg+0xcd/0x170 [ 100.592386][ T10] do_syscall_64+0xc6/0x1e0 [ 100.592386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.592386][ T10] [ 100.594088][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 100.594357][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 100.594357][ T10] netdev_get_by_index+0x5e/0x80 [ 100.594357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.594357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.594357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.594357][ T10] ipv6_add_addr+0x411/0x2000 [ 100.594357][ T10] inet6_addr_add+0x30e/0xa40 [ 100.594357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.594357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.594357][ T10] netlink_rcv_skb+0x130/0x360 [ 100.594357][ T10] netlink_unicast+0x449/0x710 [ 100.594357][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.594357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.594357][ T10] ___sys_sendmsg+0xee/0x170 [ 100.594357][ T10] __sys_sendmsg+0xcd/0x170 [ 100.594357][ T10] do_syscall_64+0xc6/0x1e0 [ 100.594357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.594357][ T10] [ 100.596358][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 100.596358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.596358][ T10] ipv6_find_idev+0x102/0x170 [ 100.596358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.596358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.596358][ T10] netlink_rcv_skb+0x130/0x360 [ 100.596358][ T10] netlink_unicast+0x449/0x710 [ 100.596358][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.596358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.596358][ T10] ___sys_sendmsg+0xee/0x170 [ 100.596358][ T10] __sys_sendmsg+0xcd/0x170 [ 100.596358][ T10] do_syscall_64+0xc6/0x1e0 [ 100.596358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.596358][ T10] [ 100.597896][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 100.597896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.597896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.597896][ T10] ipv6_find_idev+0x102/0x170 [ 100.597896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.597896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.597896][ T10] netlink_rcv_skb+0x130/0x360 [ 100.597896][ T10] netlink_unicast+0x449/0x710 [ 100.597896][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.597896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.597896][ T10] ___sys_sendmsg+0xee/0x170 [ 100.597896][ T10] __sys_sendmsg+0xcd/0x170 [ 100.597896][ T10] do_syscall_64+0xc6/0x1e0 [ 100.597896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.597896][ T10] [ 100.599611][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 100.600328][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 100.600328][ T10] netdev_get_by_index+0x5e/0x80 [ 100.600328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.600328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.600328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.600328][ T10] ipv6_add_addr+0x411/0x2000 [ 100.600328][ T10] inet6_addr_add+0x30e/0xa40 [ 100.600328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.600328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.600328][ T10] netlink_rcv_skb+0x130/0x360 [ 100.600328][ T10] netlink_unicast+0x449/0x710 [ 100.600328][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.600328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.600328][ T10] ___sys_sendmsg+0xee/0x170 [ 100.600328][ T10] __sys_sendmsg+0xcd/0x170 [ 100.600328][ T10] do_syscall_64+0xc6/0x1e0 [ 100.600328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.600328][ T10] [ 100.602367][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 100.602367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.602367][ T10] ipv6_find_idev+0x102/0x170 [ 100.602367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.602367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.602367][ T10] netlink_rcv_skb+0x130/0x360 [ 100.602367][ T10] netlink_unicast+0x449/0x710 [ 100.602367][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.602367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.602367][ T10] ___sys_sendmsg+0xee/0x170 [ 100.602367][ T10] __sys_sendmsg+0xcd/0x170 [ 100.602367][ T10] do_syscall_64+0xc6/0x1e0 [ 100.602367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.602367][ T10] [ 100.603927][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 100.603927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.603927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.603927][ T10] ipv6_find_idev+0x102/0x170 [ 100.603927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.603927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.603927][ T10] netlink_rcv_skb+0x130/0x360 [ 100.603927][ T10] netlink_unicast+0x449/0x710 [ 100.603927][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.603927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.603927][ T10] ___sys_sendmsg+0xee/0x170 [ 100.603927][ T10] __sys_sendmsg+0xcd/0x170 [ 100.603927][ T10] do_syscall_64+0xc6/0x1e0 [ 100.603927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.603927][ T10] [ 100.605680][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 100.606005][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 100.606005][ T10] netdev_get_by_index+0x5e/0x80 [ 100.606005][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.606005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.606005][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.606005][ T10] ipv6_add_addr+0x411/0x2000 [ 100.606005][ T10] inet6_addr_add+0x30e/0xa40 [ 100.606005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.606005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.606005][ T10] netlink_rcv_skb+0x130/0x360 [ 100.606005][ T10] netlink_unicast+0x449/0x710 [ 100.606005][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.606005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.606005][ T10] ___sys_sendmsg+0xee/0x170 [ 100.606005][ T10] __sys_sendmsg+0xcd/0x170 [ 100.606005][ T10] do_syscall_64+0xc6/0x1e0 [ 100.606005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.606005][ T10] [ 100.608247][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 100.608247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.608247][ T10] ipv6_find_idev+0x102/0x170 [ 100.608247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.608247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.608247][ T10] netlink_rcv_skb+0x130/0x360 [ 100.608247][ T10] netlink_unicast+0x449/0x710 [ 100.608247][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.608247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.608247][ T10] ___sys_sendmsg+0xee/0x170 [ 100.608247][ T10] __sys_sendmsg+0xcd/0x170 [ 100.608247][ T10] do_syscall_64+0xc6/0x1e0 [ 100.608247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.608247][ T10] [ 100.609803][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 100.609803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.609803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.609803][ T10] ipv6_find_idev+0x102/0x170 [ 100.609803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.609803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.609803][ T10] netlink_rcv_skb+0x130/0x360 [ 100.609803][ T10] netlink_unicast+0x449/0x710 [ 100.609803][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.609803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.609803][ T10] ___sys_sendmsg+0xee/0x170 [ 100.609803][ T10] __sys_sendmsg+0xcd/0x170 [ 100.609803][ T10] do_syscall_64+0xc6/0x1e0 [ 100.609803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.609803][ T10] [ 100.611560][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 100.611880][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 100.611880][ T10] netdev_get_by_index+0x5e/0x80 [ 100.611880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.611880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.611880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.611880][ T10] ipv6_add_addr+0x411/0x2000 [ 100.611880][ T10] inet6_addr_add+0x30e/0xa40 [ 100.611880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.611880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.611880][ T10] netlink_rcv_skb+0x130/0x360 [ 100.611880][ T10] netlink_unicast+0x449/0x710 [ 100.611880][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.611880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.611880][ T10] ___sys_sendmsg+0xee/0x170 [ 100.611880][ T10] __sys_sendmsg+0xcd/0x170 [ 100.611880][ T10] do_syscall_64+0xc6/0x1e0 [ 100.611880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.611880][ T10] [ 100.613876][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 100.613876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.613876][ T10] ipv6_find_idev+0x102/0x170 [ 100.613876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.613876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.613876][ T10] netlink_rcv_skb+0x130/0x360 [ 100.613876][ T10] netlink_unicast+0x449/0x710 [ 100.613876][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.613876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.613876][ T10] ___sys_sendmsg+0xee/0x170 [ 100.613876][ T10] __sys_sendmsg+0xcd/0x170 [ 100.613876][ T10] do_syscall_64+0xc6/0x1e0 [ 100.613876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.613876][ T10] [ 100.615606][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 100.615606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.615606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.615606][ T10] ipv6_find_idev+0x102/0x170 [ 100.615606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.615606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.615606][ T10] netlink_rcv_skb+0x130/0x360 [ 100.615606][ T10] netlink_unicast+0x449/0x710 [ 100.615606][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.615606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.615606][ T10] ___sys_sendmsg+0xee/0x170 [ 100.615606][ T10] __sys_sendmsg+0xcd/0x170 [ 100.615606][ T10] do_syscall_64+0xc6/0x1e0 [ 100.615606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.615606][ T10] [ 100.617552][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 100.617881][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 100.617881][ T10] netdev_get_by_index+0x5e/0x80 [ 100.617881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.617881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.617881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.617881][ T10] ipv6_add_addr+0x411/0x2000 [ 100.617881][ T10] inet6_addr_add+0x30e/0xa40 [ 100.617881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.617881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.617881][ T10] netlink_rcv_skb+0x130/0x360 [ 100.617881][ T10] netlink_unicast+0x449/0x710 [ 100.617881][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.617881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.617881][ T10] ___sys_sendmsg+0xee/0x170 [ 100.617881][ T10] __sys_sendmsg+0xcd/0x170 [ 100.617881][ T10] do_syscall_64+0xc6/0x1e0 [ 100.617881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.617881][ T10] [ 100.619894][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 100.619894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.619894][ T10] ipv6_find_idev+0x102/0x170 [ 100.619894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.619894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.619894][ T10] netlink_rcv_skb+0x130/0x360 [ 100.619894][ T10] netlink_unicast+0x449/0x710 [ 100.619894][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.619894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.619894][ T10] ___sys_sendmsg+0xee/0x170 [ 100.619894][ T10] __sys_sendmsg+0xcd/0x170 [ 100.619894][ T10] do_syscall_64+0xc6/0x1e0 [ 100.619894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.619894][ T10] [ 100.621584][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 100.621584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.621584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.621584][ T10] ipv6_find_idev+0x102/0x170 [ 100.621584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.621584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.621584][ T10] netlink_rcv_skb+0x130/0x360 [ 100.621584][ T10] netlink_unicast+0x449/0x710 [ 100.621584][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.621584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.621584][ T10] ___sys_sendmsg+0xee/0x170 [ 100.621584][ T10] __sys_sendmsg+0xcd/0x170 [ 100.621584][ T10] do_syscall_64+0xc6/0x1e0 [ 100.621584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.621584][ T10] [ 100.623582][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 100.623913][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 100.623913][ T10] netdev_get_by_index+0x5e/0x80 [ 100.623913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 100.623913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 100.623913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 100.623913][ T10] ipv6_add_addr+0x411/0x2000 [ 100.623913][ T10] inet6_addr_add+0x30e/0xa40 [ 100.623913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 100.623913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.623913][ T10] netlink_rcv_skb+0x130/0x360 [ 100.623913][ T10] netlink_unicast+0x449/0x710 [ 100.623913][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.623913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.623913][ T10] ___sys_sendmsg+0xee/0x170 [ 100.623913][ T10] __sys_sendmsg+0xcd/0x170 [ 100.623913][ T10] do_syscall_64+0xc6/0x1e0 [ 100.623913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.623913][ T10] [ 100.626199][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 100.626199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 100.626199][ T10] ipv6_find_idev+0x102/0x170 [ 100.626199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.626199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.626199][ T10] netlink_rcv_skb+0x130/0x360 [ 100.626199][ T10] netlink_unicast+0x449/0x710 [ 100.626199][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.626199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.626199][ T10] ___sys_sendmsg+0xee/0x170 [ 100.626199][ T10] __sys_sendmsg+0xcd/0x170 [ 100.626199][ T10] do_syscall_64+0xc6/0x1e0 [ 100.626199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.626199][ T10] [ 100.627746][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 100.627746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 100.627746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 100.627746][ T10] ipv6_find_idev+0x102/0x170 [ 100.627746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 100.627746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.627746][ T10] netlink_rcv_skb+0x130/0x360 [ 100.627746][ T10] netlink_unicast+0x449/0x710 [ 100.627746][ T10] netlink_sendmsg+0x723/0xbe0 [ 100.627746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 100.627746][ T10] ___sys_sendmsg+0xee/0x170 [ 100.627746][ T10] __sys_sendmsg+0xcd/0x170 [ 100.627746][ T10] do_syscall_64+0xc6/0x1e0 [ 100.627746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.627746][ T10] [ 110.805807][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 110.806155][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 110.806155][ T10] netdev_get_by_index+0x5e/0x80 [ 110.806155][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.806155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.806155][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.806155][ T10] ipv6_add_addr+0x411/0x2000 [ 110.806155][ T10] inet6_addr_add+0x30e/0xa40 [ 110.806155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.806155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.806155][ T10] netlink_rcv_skb+0x130/0x360 [ 110.806155][ T10] netlink_unicast+0x449/0x710 [ 110.806155][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.806155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.806155][ T10] ___sys_sendmsg+0xee/0x170 [ 110.806155][ T10] __sys_sendmsg+0xcd/0x170 [ 110.806155][ T10] do_syscall_64+0xc6/0x1e0 [ 110.806155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.806155][ T10] [ 110.808221][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 110.808221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.808221][ T10] ipv6_find_idev+0x102/0x170 [ 110.808221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.808221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.808221][ T10] netlink_rcv_skb+0x130/0x360 [ 110.808221][ T10] netlink_unicast+0x449/0x710 [ 110.808221][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.808221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.808221][ T10] ___sys_sendmsg+0xee/0x170 [ 110.808221][ T10] __sys_sendmsg+0xcd/0x170 [ 110.808221][ T10] do_syscall_64+0xc6/0x1e0 [ 110.808221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.808221][ T10] [ 110.809781][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 110.809781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.809781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.809781][ T10] ipv6_find_idev+0x102/0x170 [ 110.809781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.809781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.809781][ T10] netlink_rcv_skb+0x130/0x360 [ 110.809781][ T10] netlink_unicast+0x449/0x710 [ 110.809781][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.809781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.809781][ T10] ___sys_sendmsg+0xee/0x170 [ 110.809781][ T10] __sys_sendmsg+0xcd/0x170 [ 110.809781][ T10] do_syscall_64+0xc6/0x1e0 [ 110.809781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.809781][ T10] [ 110.811508][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 110.811790][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 110.811790][ T10] netdev_get_by_index+0x5e/0x80 [ 110.811790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.811790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.811790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.811790][ T10] ipv6_add_addr+0x411/0x2000 [ 110.811790][ T10] inet6_addr_add+0x30e/0xa40 [ 110.811790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.811790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.811790][ T10] netlink_rcv_skb+0x130/0x360 [ 110.811790][ T10] netlink_unicast+0x449/0x710 [ 110.811790][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.811790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.811790][ T10] ___sys_sendmsg+0xee/0x170 [ 110.811790][ T10] __sys_sendmsg+0xcd/0x170 [ 110.811790][ T10] do_syscall_64+0xc6/0x1e0 [ 110.811790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.811790][ T10] [ 110.813868][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 110.813868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.813868][ T10] ipv6_find_idev+0x102/0x170 [ 110.813868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.813868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.813868][ T10] netlink_rcv_skb+0x130/0x360 [ 110.813868][ T10] netlink_unicast+0x449/0x710 [ 110.813868][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.813868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.813868][ T10] ___sys_sendmsg+0xee/0x170 [ 110.813868][ T10] __sys_sendmsg+0xcd/0x170 [ 110.813868][ T10] do_syscall_64+0xc6/0x1e0 [ 110.813868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.813868][ T10] [ 110.815440][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 110.815440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.815440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.815440][ T10] ipv6_find_idev+0x102/0x170 [ 110.815440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.815440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.815440][ T10] netlink_rcv_skb+0x130/0x360 [ 110.815440][ T10] netlink_unicast+0x449/0x710 [ 110.815440][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.815440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.815440][ T10] ___sys_sendmsg+0xee/0x170 [ 110.815440][ T10] __sys_sendmsg+0xcd/0x170 [ 110.815440][ T10] do_syscall_64+0xc6/0x1e0 [ 110.815440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.815440][ T10] [ 110.817157][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 110.817433][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 110.817433][ T10] netdev_get_by_index+0x5e/0x80 [ 110.817433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.817433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.817433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.817433][ T10] ipv6_add_addr+0x411/0x2000 [ 110.817433][ T10] inet6_addr_add+0x30e/0xa40 [ 110.817433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.817433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.817433][ T10] netlink_rcv_skb+0x130/0x360 [ 110.817433][ T10] netlink_unicast+0x449/0x710 [ 110.817433][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.817433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.817433][ T10] ___sys_sendmsg+0xee/0x170 [ 110.817433][ T10] __sys_sendmsg+0xcd/0x170 [ 110.817433][ T10] do_syscall_64+0xc6/0x1e0 [ 110.817433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.817433][ T10] [ 110.819503][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 110.819503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.819503][ T10] ipv6_find_idev+0x102/0x170 [ 110.819503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.819503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.819503][ T10] netlink_rcv_skb+0x130/0x360 [ 110.819503][ T10] netlink_unicast+0x449/0x710 [ 110.819503][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.819503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.819503][ T10] ___sys_sendmsg+0xee/0x170 [ 110.819503][ T10] __sys_sendmsg+0xcd/0x170 [ 110.819503][ T10] do_syscall_64+0xc6/0x1e0 [ 110.819503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.819503][ T10] [ 110.821102][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 110.821102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.821102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.821102][ T10] ipv6_find_idev+0x102/0x170 [ 110.821102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.821102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.821102][ T10] netlink_rcv_skb+0x130/0x360 [ 110.821102][ T10] netlink_unicast+0x449/0x710 [ 110.821102][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.821102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.821102][ T10] ___sys_sendmsg+0xee/0x170 [ 110.821102][ T10] __sys_sendmsg+0xcd/0x170 [ 110.821102][ T10] do_syscall_64+0xc6/0x1e0 [ 110.821102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.821102][ T10] [ 110.822835][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 110.823106][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 110.823106][ T10] netdev_get_by_index+0x5e/0x80 [ 110.823106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.823106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.823106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.823106][ T10] ipv6_add_addr+0x411/0x2000 [ 110.823106][ T10] inet6_addr_add+0x30e/0xa40 [ 110.823106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.823106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.823106][ T10] netlink_rcv_skb+0x130/0x360 [ 110.823106][ T10] netlink_unicast+0x449/0x710 [ 110.823106][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.823106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.823106][ T10] ___sys_sendmsg+0xee/0x170 [ 110.823106][ T10] __sys_sendmsg+0xcd/0x170 [ 110.823106][ T10] do_syscall_64+0xc6/0x1e0 [ 110.823106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.823106][ T10] [ 110.825437][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 110.825437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.825437][ T10] ipv6_find_idev+0x102/0x170 [ 110.825437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.825437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.825437][ T10] netlink_rcv_skb+0x130/0x360 [ 110.825437][ T10] netlink_unicast+0x449/0x710 [ 110.825437][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.825437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.825437][ T10] ___sys_sendmsg+0xee/0x170 [ 110.825437][ T10] __sys_sendmsg+0xcd/0x170 [ 110.825437][ T10] do_syscall_64+0xc6/0x1e0 [ 110.825437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.825437][ T10] [ 110.827222][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 110.827222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.827222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.827222][ T10] ipv6_find_idev+0x102/0x170 [ 110.827222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.827222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.827222][ T10] netlink_rcv_skb+0x130/0x360 [ 110.827222][ T10] netlink_unicast+0x449/0x710 [ 110.827222][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.827222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.827222][ T10] ___sys_sendmsg+0xee/0x170 [ 110.827222][ T10] __sys_sendmsg+0xcd/0x170 [ 110.827222][ T10] do_syscall_64+0xc6/0x1e0 [ 110.827222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.827222][ T10] [ 110.829115][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 110.829444][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 110.829444][ T10] netdev_get_by_index+0x5e/0x80 [ 110.829444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.829444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.829444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.829444][ T10] ipv6_add_addr+0x411/0x2000 [ 110.829444][ T10] inet6_addr_add+0x30e/0xa40 [ 110.829444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.829444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.829444][ T10] netlink_rcv_skb+0x130/0x360 [ 110.829444][ T10] netlink_unicast+0x449/0x710 [ 110.829444][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.829444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.829444][ T10] ___sys_sendmsg+0xee/0x170 [ 110.829444][ T10] __sys_sendmsg+0xcd/0x170 [ 110.829444][ T10] do_syscall_64+0xc6/0x1e0 [ 110.829444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.829444][ T10] [ 110.831548][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 110.831548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.831548][ T10] ipv6_find_idev+0x102/0x170 [ 110.831548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.831548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.831548][ T10] netlink_rcv_skb+0x130/0x360 [ 110.831548][ T10] netlink_unicast+0x449/0x710 [ 110.831548][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.831548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.831548][ T10] ___sys_sendmsg+0xee/0x170 [ 110.831548][ T10] __sys_sendmsg+0xcd/0x170 [ 110.831548][ T10] do_syscall_64+0xc6/0x1e0 [ 110.831548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.831548][ T10] [ 110.833111][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 110.833111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.833111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.833111][ T10] ipv6_find_idev+0x102/0x170 [ 110.833111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.833111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.833111][ T10] netlink_rcv_skb+0x130/0x360 [ 110.833111][ T10] netlink_unicast+0x449/0x710 [ 110.833111][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.833111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.833111][ T10] ___sys_sendmsg+0xee/0x170 [ 110.833111][ T10] __sys_sendmsg+0xcd/0x170 [ 110.833111][ T10] do_syscall_64+0xc6/0x1e0 [ 110.833111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.833111][ T10] [ 110.835009][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 110.835337][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 110.835337][ T10] netdev_get_by_index+0x5e/0x80 [ 110.835337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.835337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.835337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.835337][ T10] ipv6_add_addr+0x411/0x2000 [ 110.835337][ T10] inet6_addr_add+0x30e/0xa40 [ 110.835337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.835337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.835337][ T10] netlink_rcv_skb+0x130/0x360 [ 110.835337][ T10] netlink_unicast+0x449/0x710 [ 110.835337][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.835337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.835337][ T10] ___sys_sendmsg+0xee/0x170 [ 110.835337][ T10] __sys_sendmsg+0xcd/0x170 [ 110.835337][ T10] do_syscall_64+0xc6/0x1e0 [ 110.835337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.835337][ T10] [ 110.837675][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 110.837675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.837675][ T10] ipv6_find_idev+0x102/0x170 [ 110.837675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.837675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.837675][ T10] netlink_rcv_skb+0x130/0x360 [ 110.837675][ T10] netlink_unicast+0x449/0x710 [ 110.837675][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.837675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.837675][ T10] ___sys_sendmsg+0xee/0x170 [ 110.837675][ T10] __sys_sendmsg+0xcd/0x170 [ 110.837675][ T10] do_syscall_64+0xc6/0x1e0 [ 110.837675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.837675][ T10] [ 110.839457][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 110.839457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.839457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.839457][ T10] ipv6_find_idev+0x102/0x170 [ 110.839457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.839457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.839457][ T10] netlink_rcv_skb+0x130/0x360 [ 110.839457][ T10] netlink_unicast+0x449/0x710 [ 110.839457][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.839457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.839457][ T10] ___sys_sendmsg+0xee/0x170 [ 110.839457][ T10] __sys_sendmsg+0xcd/0x170 [ 110.839457][ T10] do_syscall_64+0xc6/0x1e0 [ 110.839457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.839457][ T10] [ 110.841481][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 110.841811][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 110.841811][ T10] netdev_get_by_index+0x5e/0x80 [ 110.841811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.841811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.841811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.841811][ T10] ipv6_add_addr+0x411/0x2000 [ 110.841811][ T10] inet6_addr_add+0x30e/0xa40 [ 110.841811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.841811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.841811][ T10] netlink_rcv_skb+0x130/0x360 [ 110.841811][ T10] netlink_unicast+0x449/0x710 [ 110.841811][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.841811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.841811][ T10] ___sys_sendmsg+0xee/0x170 [ 110.841811][ T10] __sys_sendmsg+0xcd/0x170 [ 110.841811][ T10] do_syscall_64+0xc6/0x1e0 [ 110.841811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.841811][ T10] [ 110.843834][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 110.843834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.843834][ T10] ipv6_find_idev+0x102/0x170 [ 110.843834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.843834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.843834][ T10] netlink_rcv_skb+0x130/0x360 [ 110.843834][ T10] netlink_unicast+0x449/0x710 [ 110.843834][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.843834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.843834][ T10] ___sys_sendmsg+0xee/0x170 [ 110.843834][ T10] __sys_sendmsg+0xcd/0x170 [ 110.843834][ T10] do_syscall_64+0xc6/0x1e0 [ 110.843834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.843834][ T10] [ 110.845396][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 110.845396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.845396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.845396][ T10] ipv6_find_idev+0x102/0x170 [ 110.845396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.845396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.845396][ T10] netlink_rcv_skb+0x130/0x360 [ 110.845396][ T10] netlink_unicast+0x449/0x710 [ 110.845396][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.845396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.845396][ T10] ___sys_sendmsg+0xee/0x170 [ 110.845396][ T10] __sys_sendmsg+0xcd/0x170 [ 110.845396][ T10] do_syscall_64+0xc6/0x1e0 [ 110.845396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.845396][ T10] [ 110.847198][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 110.847513][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 110.847513][ T10] netdev_get_by_index+0x5e/0x80 [ 110.847513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 110.847513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 110.847513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 110.847513][ T10] ipv6_add_addr+0x411/0x2000 [ 110.847513][ T10] inet6_addr_add+0x30e/0xa40 [ 110.847513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 110.847513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.847513][ T10] netlink_rcv_skb+0x130/0x360 [ 110.847513][ T10] netlink_unicast+0x449/0x710 [ 110.847513][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.847513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.847513][ T10] ___sys_sendmsg+0xee/0x170 [ 110.847513][ T10] __sys_sendmsg+0xcd/0x170 [ 110.847513][ T10] do_syscall_64+0xc6/0x1e0 [ 110.847513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.847513][ T10] [ 110.849759][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 110.849759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 110.849759][ T10] ipv6_find_idev+0x102/0x170 [ 110.849759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.849759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.849759][ T10] netlink_rcv_skb+0x130/0x360 [ 110.849759][ T10] netlink_unicast+0x449/0x710 [ 110.849759][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.849759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.849759][ T10] ___sys_sendmsg+0xee/0x170 [ 110.849759][ T10] __sys_sendmsg+0xcd/0x170 [ 110.849759][ T10] do_syscall_64+0xc6/0x1e0 [ 110.849759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.849759][ T10] [ 110.851403][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 110.851403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 110.851403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 110.851403][ T10] ipv6_find_idev+0x102/0x170 [ 110.851403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 110.851403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 110.851403][ T10] netlink_rcv_skb+0x130/0x360 [ 110.851403][ T10] netlink_unicast+0x449/0x710 [ 110.851403][ T10] netlink_sendmsg+0x723/0xbe0 [ 110.851403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 110.851403][ T10] ___sys_sendmsg+0xee/0x170 [ 110.851403][ T10] __sys_sendmsg+0xcd/0x170 [ 110.851403][ T10] do_syscall_64+0xc6/0x1e0 [ 110.851403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.851403][ T10] [ 120.973875][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 120.974223][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 120.974223][ T10] netdev_get_by_index+0x5e/0x80 [ 120.974223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 120.974223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 120.974223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 120.974223][ T10] ipv6_add_addr+0x411/0x2000 [ 120.974223][ T10] inet6_addr_add+0x30e/0xa40 [ 120.974223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 120.974223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.974223][ T10] netlink_rcv_skb+0x130/0x360 [ 120.974223][ T10] netlink_unicast+0x449/0x710 [ 120.974223][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.974223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.974223][ T10] ___sys_sendmsg+0xee/0x170 [ 120.974223][ T10] __sys_sendmsg+0xcd/0x170 [ 120.974223][ T10] do_syscall_64+0xc6/0x1e0 [ 120.974223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.974223][ T10] [ 120.976285][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 120.976285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 120.976285][ T10] ipv6_find_idev+0x102/0x170 [ 120.976285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.976285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.976285][ T10] netlink_rcv_skb+0x130/0x360 [ 120.976285][ T10] netlink_unicast+0x449/0x710 [ 120.976285][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.976285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.976285][ T10] ___sys_sendmsg+0xee/0x170 [ 120.976285][ T10] __sys_sendmsg+0xcd/0x170 [ 120.976285][ T10] do_syscall_64+0xc6/0x1e0 [ 120.976285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.976285][ T10] [ 120.977849][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 120.977849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 120.977849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 120.977849][ T10] ipv6_find_idev+0x102/0x170 [ 120.977849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.977849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.977849][ T10] netlink_rcv_skb+0x130/0x360 [ 120.977849][ T10] netlink_unicast+0x449/0x710 [ 120.977849][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.977849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.977849][ T10] ___sys_sendmsg+0xee/0x170 [ 120.977849][ T10] __sys_sendmsg+0xcd/0x170 [ 120.977849][ T10] do_syscall_64+0xc6/0x1e0 [ 120.977849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.977849][ T10] [ 120.979547][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 120.979831][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 120.979831][ T10] netdev_get_by_index+0x5e/0x80 [ 120.979831][ T10] fib6_nh_init+0x3d8/0x15b0 [ 120.979831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 120.979831][ T10] addrconf_f6i_alloc+0x244/0x410 [ 120.979831][ T10] ipv6_add_addr+0x411/0x2000 [ 120.979831][ T10] inet6_addr_add+0x30e/0xa40 [ 120.979831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 120.979831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.979831][ T10] netlink_rcv_skb+0x130/0x360 [ 120.979831][ T10] netlink_unicast+0x449/0x710 [ 120.979831][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.979831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.979831][ T10] ___sys_sendmsg+0xee/0x170 [ 120.979831][ T10] __sys_sendmsg+0xcd/0x170 [ 120.979831][ T10] do_syscall_64+0xc6/0x1e0 [ 120.979831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.979831][ T10] [ 120.981886][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 120.981886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 120.981886][ T10] ipv6_find_idev+0x102/0x170 [ 120.981886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.981886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.981886][ T10] netlink_rcv_skb+0x130/0x360 [ 120.981886][ T10] netlink_unicast+0x449/0x710 [ 120.981886][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.981886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.981886][ T10] ___sys_sendmsg+0xee/0x170 [ 120.981886][ T10] __sys_sendmsg+0xcd/0x170 [ 120.981886][ T10] do_syscall_64+0xc6/0x1e0 [ 120.981886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.981886][ T10] [ 120.983460][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 120.983460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 120.983460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 120.983460][ T10] ipv6_find_idev+0x102/0x170 [ 120.983460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.983460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.983460][ T10] netlink_rcv_skb+0x130/0x360 [ 120.983460][ T10] netlink_unicast+0x449/0x710 [ 120.983460][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.983460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.983460][ T10] ___sys_sendmsg+0xee/0x170 [ 120.983460][ T10] __sys_sendmsg+0xcd/0x170 [ 120.983460][ T10] do_syscall_64+0xc6/0x1e0 [ 120.983460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.983460][ T10] [ 120.985186][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 120.985456][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 120.985456][ T10] netdev_get_by_index+0x5e/0x80 [ 120.985456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 120.985456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 120.985456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 120.985456][ T10] ipv6_add_addr+0x411/0x2000 [ 120.985456][ T10] inet6_addr_add+0x30e/0xa40 [ 120.985456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 120.985456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.985456][ T10] netlink_rcv_skb+0x130/0x360 [ 120.985456][ T10] netlink_unicast+0x449/0x710 [ 120.985456][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.985456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.985456][ T10] ___sys_sendmsg+0xee/0x170 [ 120.985456][ T10] __sys_sendmsg+0xcd/0x170 [ 120.985456][ T10] do_syscall_64+0xc6/0x1e0 [ 120.985456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.985456][ T10] [ 120.987482][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 120.987482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 120.987482][ T10] ipv6_find_idev+0x102/0x170 [ 120.987482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.987482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.987482][ T10] netlink_rcv_skb+0x130/0x360 [ 120.987482][ T10] netlink_unicast+0x449/0x710 [ 120.987482][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.987482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.987482][ T10] ___sys_sendmsg+0xee/0x170 [ 120.987482][ T10] __sys_sendmsg+0xcd/0x170 [ 120.987482][ T10] do_syscall_64+0xc6/0x1e0 [ 120.987482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.987482][ T10] [ 120.989050][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 120.989050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 120.989050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 120.989050][ T10] ipv6_find_idev+0x102/0x170 [ 120.989050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.989050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.989050][ T10] netlink_rcv_skb+0x130/0x360 [ 120.989050][ T10] netlink_unicast+0x449/0x710 [ 120.989050][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.989050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.989050][ T10] ___sys_sendmsg+0xee/0x170 [ 120.989050][ T10] __sys_sendmsg+0xcd/0x170 [ 120.989050][ T10] do_syscall_64+0xc6/0x1e0 [ 120.989050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.989050][ T10] [ 120.990778][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 120.991047][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 120.991047][ T10] netdev_get_by_index+0x5e/0x80 [ 120.991047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 120.991047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 120.991047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 120.991047][ T10] ipv6_add_addr+0x411/0x2000 [ 120.991047][ T10] inet6_addr_add+0x30e/0xa40 [ 120.991047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 120.991047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.991047][ T10] netlink_rcv_skb+0x130/0x360 [ 120.991047][ T10] netlink_unicast+0x449/0x710 [ 120.991047][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.991047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.991047][ T10] ___sys_sendmsg+0xee/0x170 [ 120.991047][ T10] __sys_sendmsg+0xcd/0x170 [ 120.991047][ T10] do_syscall_64+0xc6/0x1e0 [ 120.991047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.991047][ T10] [ 120.993101][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 120.993101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 120.993101][ T10] ipv6_find_idev+0x102/0x170 [ 120.993101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.993101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.993101][ T10] netlink_rcv_skb+0x130/0x360 [ 120.993101][ T10] netlink_unicast+0x449/0x710 [ 120.993101][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.993101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.993101][ T10] ___sys_sendmsg+0xee/0x170 [ 120.993101][ T10] __sys_sendmsg+0xcd/0x170 [ 120.993101][ T10] do_syscall_64+0xc6/0x1e0 [ 120.993101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.993101][ T10] [ 120.994791][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 120.994791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 120.994791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 120.994791][ T10] ipv6_find_idev+0x102/0x170 [ 120.994791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.994791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.994791][ T10] netlink_rcv_skb+0x130/0x360 [ 120.994791][ T10] netlink_unicast+0x449/0x710 [ 120.994791][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.994791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.994791][ T10] ___sys_sendmsg+0xee/0x170 [ 120.994791][ T10] __sys_sendmsg+0xcd/0x170 [ 120.994791][ T10] do_syscall_64+0xc6/0x1e0 [ 120.994791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.994791][ T10] [ 120.996839][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 120.997110][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 120.997110][ T10] netdev_get_by_index+0x5e/0x80 [ 120.997110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 120.997110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 120.997110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 120.997110][ T10] ipv6_add_addr+0x411/0x2000 [ 120.997110][ T10] inet6_addr_add+0x30e/0xa40 [ 120.997110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 120.997110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.997110][ T10] netlink_rcv_skb+0x130/0x360 [ 120.997110][ T10] netlink_unicast+0x449/0x710 [ 120.997110][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.997110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.997110][ T10] ___sys_sendmsg+0xee/0x170 [ 120.997110][ T10] __sys_sendmsg+0xcd/0x170 [ 120.997110][ T10] do_syscall_64+0xc6/0x1e0 [ 120.997110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.997110][ T10] [ 120.999248][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 120.999248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 120.999248][ T10] ipv6_find_idev+0x102/0x170 [ 120.999248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 120.999248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 120.999248][ T10] netlink_rcv_skb+0x130/0x360 [ 120.999248][ T10] netlink_unicast+0x449/0x710 [ 120.999248][ T10] netlink_sendmsg+0x723/0xbe0 [ 120.999248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 120.999248][ T10] ___sys_sendmsg+0xee/0x170 [ 120.999248][ T10] __sys_sendmsg+0xcd/0x170 [ 120.999248][ T10] do_syscall_64+0xc6/0x1e0 [ 120.999248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 120.999248][ T10] [ 121.000993][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 121.000993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 121.000993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 121.000993][ T10] ipv6_find_idev+0x102/0x170 [ 121.000993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 121.000993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.000993][ T10] netlink_rcv_skb+0x130/0x360 [ 121.000993][ T10] netlink_unicast+0x449/0x710 [ 121.000993][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.000993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.000993][ T10] ___sys_sendmsg+0xee/0x170 [ 121.000993][ T10] __sys_sendmsg+0xcd/0x170 [ 121.000993][ T10] do_syscall_64+0xc6/0x1e0 [ 121.000993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.000993][ T10] [ 121.003156][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 121.003469][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 121.003469][ T10] netdev_get_by_index+0x5e/0x80 [ 121.003469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 121.003469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 121.003469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 121.003469][ T10] ipv6_add_addr+0x411/0x2000 [ 121.003469][ T10] inet6_addr_add+0x30e/0xa40 [ 121.003469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 121.003469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.003469][ T10] netlink_rcv_skb+0x130/0x360 [ 121.003469][ T10] netlink_unicast+0x449/0x710 [ 121.003469][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.003469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.003469][ T10] ___sys_sendmsg+0xee/0x170 [ 121.003469][ T10] __sys_sendmsg+0xcd/0x170 [ 121.003469][ T10] do_syscall_64+0xc6/0x1e0 [ 121.003469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.003469][ T10] [ 121.005487][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 121.005487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 121.005487][ T10] ipv6_find_idev+0x102/0x170 [ 121.005487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 121.005487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.005487][ T10] netlink_rcv_skb+0x130/0x360 [ 121.005487][ T10] netlink_unicast+0x449/0x710 [ 121.005487][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.005487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.005487][ T10] ___sys_sendmsg+0xee/0x170 [ 121.005487][ T10] __sys_sendmsg+0xcd/0x170 [ 121.005487][ T10] do_syscall_64+0xc6/0x1e0 [ 121.005487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.005487][ T10] [ 121.007126][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 121.007126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 121.007126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 121.007126][ T10] ipv6_find_idev+0x102/0x170 [ 121.007126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 121.007126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.007126][ T10] netlink_rcv_skb+0x130/0x360 [ 121.007126][ T10] netlink_unicast+0x449/0x710 [ 121.007126][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.007126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.007126][ T10] ___sys_sendmsg+0xee/0x170 [ 121.007126][ T10] __sys_sendmsg+0xcd/0x170 [ 121.007126][ T10] do_syscall_64+0xc6/0x1e0 [ 121.007126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.007126][ T10] [ 121.009061][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 121.009383][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 121.009383][ T10] netdev_get_by_index+0x5e/0x80 [ 121.009383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 121.009383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 121.009383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 121.009383][ T10] ipv6_add_addr+0x411/0x2000 [ 121.009383][ T10] inet6_addr_add+0x30e/0xa40 [ 121.009383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 121.009383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.009383][ T10] netlink_rcv_skb+0x130/0x360 [ 121.009383][ T10] netlink_unicast+0x449/0x710 [ 121.009383][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.009383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.009383][ T10] ___sys_sendmsg+0xee/0x170 [ 121.009383][ T10] __sys_sendmsg+0xcd/0x170 [ 121.009383][ T10] do_syscall_64+0xc6/0x1e0 [ 121.009383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.009383][ T10] [ 121.011490][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 121.011490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 121.011490][ T10] ipv6_find_idev+0x102/0x170 [ 121.011490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 121.011490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.011490][ T10] netlink_rcv_skb+0x130/0x360 [ 121.011490][ T10] netlink_unicast+0x449/0x710 [ 121.011490][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.011490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.011490][ T10] ___sys_sendmsg+0xee/0x170 [ 121.011490][ T10] __sys_sendmsg+0xcd/0x170 [ 121.011490][ T10] do_syscall_64+0xc6/0x1e0 [ 121.011490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.011490][ T10] [ 121.013129][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 121.013129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 121.013129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 121.013129][ T10] ipv6_find_idev+0x102/0x170 [ 121.013129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 121.013129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.013129][ T10] netlink_rcv_skb+0x130/0x360 [ 121.013129][ T10] netlink_unicast+0x449/0x710 [ 121.013129][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.013129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.013129][ T10] ___sys_sendmsg+0xee/0x170 [ 121.013129][ T10] __sys_sendmsg+0xcd/0x170 [ 121.013129][ T10] do_syscall_64+0xc6/0x1e0 [ 121.013129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.013129][ T10] [ 121.015070][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 121.015386][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 121.015386][ T10] netdev_get_by_index+0x5e/0x80 [ 121.015386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 121.015386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 121.015386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 121.015386][ T10] ipv6_add_addr+0x411/0x2000 [ 121.015386][ T10] inet6_addr_add+0x30e/0xa40 [ 121.015386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 121.015386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.015386][ T10] netlink_rcv_skb+0x130/0x360 [ 121.015386][ T10] netlink_unicast+0x449/0x710 [ 121.015386][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.015386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.015386][ T10] ___sys_sendmsg+0xee/0x170 [ 121.015386][ T10] __sys_sendmsg+0xcd/0x170 [ 121.015386][ T10] do_syscall_64+0xc6/0x1e0 [ 121.015386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.015386][ T10] [ 121.017630][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 121.017630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 121.017630][ T10] ipv6_find_idev+0x102/0x170 [ 121.017630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 121.017630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.017630][ T10] netlink_rcv_skb+0x130/0x360 [ 121.017630][ T10] netlink_unicast+0x449/0x710 [ 121.017630][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.017630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.017630][ T10] ___sys_sendmsg+0xee/0x170 [ 121.017630][ T10] __sys_sendmsg+0xcd/0x170 [ 121.017630][ T10] do_syscall_64+0xc6/0x1e0 [ 121.017630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.017630][ T10] [ 121.019245][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 121.019245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 121.019245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 121.019245][ T10] ipv6_find_idev+0x102/0x170 [ 121.019245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 121.019245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 121.019245][ T10] netlink_rcv_skb+0x130/0x360 [ 121.019245][ T10] netlink_unicast+0x449/0x710 [ 121.019245][ T10] netlink_sendmsg+0x723/0xbe0 [ 121.019245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 121.019245][ T10] ___sys_sendmsg+0xee/0x170 [ 121.019245][ T10] __sys_sendmsg+0xcd/0x170 [ 121.019245][ T10] do_syscall_64+0xc6/0x1e0 [ 121.019245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 121.019245][ T10] [ 131.149830][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 131.150264][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 131.150264][ T10] netdev_get_by_index+0x5e/0x80 [ 131.150264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.150264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.150264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.150264][ T10] ipv6_add_addr+0x411/0x2000 [ 131.150264][ T10] inet6_addr_add+0x30e/0xa40 [ 131.150264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.150264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.150264][ T10] netlink_rcv_skb+0x130/0x360 [ 131.150264][ T10] netlink_unicast+0x449/0x710 [ 131.150264][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.150264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.150264][ T10] ___sys_sendmsg+0xee/0x170 [ 131.150264][ T10] __sys_sendmsg+0xcd/0x170 [ 131.150264][ T10] do_syscall_64+0xc6/0x1e0 [ 131.150264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.150264][ T10] [ 131.152314][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 131.152314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.152314][ T10] ipv6_find_idev+0x102/0x170 [ 131.152314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.152314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.152314][ T10] netlink_rcv_skb+0x130/0x360 [ 131.152314][ T10] netlink_unicast+0x449/0x710 [ 131.152314][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.152314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.152314][ T10] ___sys_sendmsg+0xee/0x170 [ 131.152314][ T10] __sys_sendmsg+0xcd/0x170 [ 131.152314][ T10] do_syscall_64+0xc6/0x1e0 [ 131.152314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.152314][ T10] [ 131.153869][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 131.153869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.153869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.153869][ T10] ipv6_find_idev+0x102/0x170 [ 131.153869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.153869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.153869][ T10] netlink_rcv_skb+0x130/0x360 [ 131.153869][ T10] netlink_unicast+0x449/0x710 [ 131.153869][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.153869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.153869][ T10] ___sys_sendmsg+0xee/0x170 [ 131.153869][ T10] __sys_sendmsg+0xcd/0x170 [ 131.153869][ T10] do_syscall_64+0xc6/0x1e0 [ 131.153869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.153869][ T10] [ 131.155563][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 131.155845][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 131.155845][ T10] netdev_get_by_index+0x5e/0x80 [ 131.155845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.155845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.155845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.155845][ T10] ipv6_add_addr+0x411/0x2000 [ 131.155845][ T10] inet6_addr_add+0x30e/0xa40 [ 131.155845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.155845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.155845][ T10] netlink_rcv_skb+0x130/0x360 [ 131.155845][ T10] netlink_unicast+0x449/0x710 [ 131.155845][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.155845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.155845][ T10] ___sys_sendmsg+0xee/0x170 [ 131.155845][ T10] __sys_sendmsg+0xcd/0x170 [ 131.155845][ T10] do_syscall_64+0xc6/0x1e0 [ 131.155845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.155845][ T10] [ 131.157846][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 131.157846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.157846][ T10] ipv6_find_idev+0x102/0x170 [ 131.157846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.157846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.157846][ T10] netlink_rcv_skb+0x130/0x360 [ 131.157846][ T10] netlink_unicast+0x449/0x710 [ 131.157846][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.157846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.157846][ T10] ___sys_sendmsg+0xee/0x170 [ 131.157846][ T10] __sys_sendmsg+0xcd/0x170 [ 131.157846][ T10] do_syscall_64+0xc6/0x1e0 [ 131.157846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.157846][ T10] [ 131.159383][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 131.159383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.159383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.159383][ T10] ipv6_find_idev+0x102/0x170 [ 131.159383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.159383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.159383][ T10] netlink_rcv_skb+0x130/0x360 [ 131.159383][ T10] netlink_unicast+0x449/0x710 [ 131.159383][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.159383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.159383][ T10] ___sys_sendmsg+0xee/0x170 [ 131.159383][ T10] __sys_sendmsg+0xcd/0x170 [ 131.159383][ T10] do_syscall_64+0xc6/0x1e0 [ 131.159383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.159383][ T10] [ 131.161074][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 131.161346][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 131.161346][ T10] netdev_get_by_index+0x5e/0x80 [ 131.161346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.161346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.161346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.161346][ T10] ipv6_add_addr+0x411/0x2000 [ 131.161346][ T10] inet6_addr_add+0x30e/0xa40 [ 131.161346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.161346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.161346][ T10] netlink_rcv_skb+0x130/0x360 [ 131.161346][ T10] netlink_unicast+0x449/0x710 [ 131.161346][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.161346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.161346][ T10] ___sys_sendmsg+0xee/0x170 [ 131.161346][ T10] __sys_sendmsg+0xcd/0x170 [ 131.161346][ T10] do_syscall_64+0xc6/0x1e0 [ 131.161346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.161346][ T10] [ 131.163352][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 131.163352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.163352][ T10] ipv6_find_idev+0x102/0x170 [ 131.163352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.163352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.163352][ T10] netlink_rcv_skb+0x130/0x360 [ 131.163352][ T10] netlink_unicast+0x449/0x710 [ 131.163352][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.163352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.163352][ T10] ___sys_sendmsg+0xee/0x170 [ 131.163352][ T10] __sys_sendmsg+0xcd/0x170 [ 131.163352][ T10] do_syscall_64+0xc6/0x1e0 [ 131.163352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.163352][ T10] [ 131.164890][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 131.164890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.164890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.164890][ T10] ipv6_find_idev+0x102/0x170 [ 131.164890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.164890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.164890][ T10] netlink_rcv_skb+0x130/0x360 [ 131.164890][ T10] netlink_unicast+0x449/0x710 [ 131.164890][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.164890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.164890][ T10] ___sys_sendmsg+0xee/0x170 [ 131.164890][ T10] __sys_sendmsg+0xcd/0x170 [ 131.164890][ T10] do_syscall_64+0xc6/0x1e0 [ 131.164890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.164890][ T10] [ 131.166562][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 131.167511][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 131.167511][ T10] netdev_get_by_index+0x5e/0x80 [ 131.167511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.167511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.167511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.167511][ T10] ipv6_add_addr+0x411/0x2000 [ 131.167511][ T10] inet6_addr_add+0x30e/0xa40 [ 131.167511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.167511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.167511][ T10] netlink_rcv_skb+0x130/0x360 [ 131.167511][ T10] netlink_unicast+0x449/0x710 [ 131.167511][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.167511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.167511][ T10] ___sys_sendmsg+0xee/0x170 [ 131.167511][ T10] __sys_sendmsg+0xcd/0x170 [ 131.167511][ T10] do_syscall_64+0xc6/0x1e0 [ 131.167511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.167511][ T10] [ 131.169503][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 131.169503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.169503][ T10] ipv6_find_idev+0x102/0x170 [ 131.169503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.169503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.169503][ T10] netlink_rcv_skb+0x130/0x360 [ 131.169503][ T10] netlink_unicast+0x449/0x710 [ 131.169503][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.169503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.169503][ T10] ___sys_sendmsg+0xee/0x170 [ 131.169503][ T10] __sys_sendmsg+0xcd/0x170 [ 131.169503][ T10] do_syscall_64+0xc6/0x1e0 [ 131.169503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.169503][ T10] [ 131.171027][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 131.171027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.171027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.171027][ T10] ipv6_find_idev+0x102/0x170 [ 131.171027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.171027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.171027][ T10] netlink_rcv_skb+0x130/0x360 [ 131.171027][ T10] netlink_unicast+0x449/0x710 [ 131.171027][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.171027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.171027][ T10] ___sys_sendmsg+0xee/0x170 [ 131.171027][ T10] __sys_sendmsg+0xcd/0x170 [ 131.171027][ T10] do_syscall_64+0xc6/0x1e0 [ 131.171027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.171027][ T10] [ 131.172758][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 131.173081][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 131.173081][ T10] netdev_get_by_index+0x5e/0x80 [ 131.173081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.173081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.173081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.173081][ T10] ipv6_add_addr+0x411/0x2000 [ 131.173081][ T10] inet6_addr_add+0x30e/0xa40 [ 131.173081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.173081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.173081][ T10] netlink_rcv_skb+0x130/0x360 [ 131.173081][ T10] netlink_unicast+0x449/0x710 [ 131.173081][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.173081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.173081][ T10] ___sys_sendmsg+0xee/0x170 [ 131.173081][ T10] __sys_sendmsg+0xcd/0x170 [ 131.173081][ T10] do_syscall_64+0xc6/0x1e0 [ 131.173081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.173081][ T10] [ 131.175077][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 131.175077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.175077][ T10] ipv6_find_idev+0x102/0x170 [ 131.175077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.175077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.175077][ T10] netlink_rcv_skb+0x130/0x360 [ 131.175077][ T10] netlink_unicast+0x449/0x710 [ 131.175077][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.175077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.175077][ T10] ___sys_sendmsg+0xee/0x170 [ 131.175077][ T10] __sys_sendmsg+0xcd/0x170 [ 131.175077][ T10] do_syscall_64+0xc6/0x1e0 [ 131.175077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.175077][ T10] [ 131.176614][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 131.176614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.176614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.176614][ T10] ipv6_find_idev+0x102/0x170 [ 131.176614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.176614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.176614][ T10] netlink_rcv_skb+0x130/0x360 [ 131.176614][ T10] netlink_unicast+0x449/0x710 [ 131.176614][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.176614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.176614][ T10] ___sys_sendmsg+0xee/0x170 [ 131.176614][ T10] __sys_sendmsg+0xcd/0x170 [ 131.176614][ T10] do_syscall_64+0xc6/0x1e0 [ 131.176614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.176614][ T10] [ 131.178325][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 131.178709][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 131.178709][ T10] netdev_get_by_index+0x5e/0x80 [ 131.178709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.178709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.178709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.178709][ T10] ipv6_add_addr+0x411/0x2000 [ 131.178709][ T10] inet6_addr_add+0x30e/0xa40 [ 131.178709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.178709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.178709][ T10] netlink_rcv_skb+0x130/0x360 [ 131.178709][ T10] netlink_unicast+0x449/0x710 [ 131.178709][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.178709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.178709][ T10] ___sys_sendmsg+0xee/0x170 [ 131.178709][ T10] __sys_sendmsg+0xcd/0x170 [ 131.178709][ T10] do_syscall_64+0xc6/0x1e0 [ 131.178709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.178709][ T10] [ 131.180757][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 131.180757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.180757][ T10] ipv6_find_idev+0x102/0x170 [ 131.180757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.180757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.180757][ T10] netlink_rcv_skb+0x130/0x360 [ 131.180757][ T10] netlink_unicast+0x449/0x710 [ 131.180757][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.180757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.180757][ T10] ___sys_sendmsg+0xee/0x170 [ 131.180757][ T10] __sys_sendmsg+0xcd/0x170 [ 131.180757][ T10] do_syscall_64+0xc6/0x1e0 [ 131.180757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.180757][ T10] [ 131.182516][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 131.182516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.182516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.182516][ T10] ipv6_find_idev+0x102/0x170 [ 131.182516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.182516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.182516][ T10] netlink_rcv_skb+0x130/0x360 [ 131.182516][ T10] netlink_unicast+0x449/0x710 [ 131.182516][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.182516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.182516][ T10] ___sys_sendmsg+0xee/0x170 [ 131.182516][ T10] __sys_sendmsg+0xcd/0x170 [ 131.182516][ T10] do_syscall_64+0xc6/0x1e0 [ 131.182516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.182516][ T10] [ 131.184414][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 131.184690][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 131.184690][ T10] netdev_get_by_index+0x5e/0x80 [ 131.184690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.184690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.184690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.184690][ T10] ipv6_add_addr+0x411/0x2000 [ 131.184690][ T10] inet6_addr_add+0x30e/0xa40 [ 131.184690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.184690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.184690][ T10] netlink_rcv_skb+0x130/0x360 [ 131.184690][ T10] netlink_unicast+0x449/0x710 [ 131.184690][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.184690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.184690][ T10] ___sys_sendmsg+0xee/0x170 [ 131.184690][ T10] __sys_sendmsg+0xcd/0x170 [ 131.184690][ T10] do_syscall_64+0xc6/0x1e0 [ 131.184690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.184690][ T10] [ 131.186975][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 131.186975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.186975][ T10] ipv6_find_idev+0x102/0x170 [ 131.186975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.186975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.186975][ T10] netlink_rcv_skb+0x130/0x360 [ 131.186975][ T10] netlink_unicast+0x449/0x710 [ 131.186975][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.186975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.186975][ T10] ___sys_sendmsg+0xee/0x170 [ 131.186975][ T10] __sys_sendmsg+0xcd/0x170 [ 131.186975][ T10] do_syscall_64+0xc6/0x1e0 [ 131.186975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.186975][ T10] [ 131.188682][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 131.188682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.188682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.188682][ T10] ipv6_find_idev+0x102/0x170 [ 131.188682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.188682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.188682][ T10] netlink_rcv_skb+0x130/0x360 [ 131.188682][ T10] netlink_unicast+0x449/0x710 [ 131.188682][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.188682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.188682][ T10] ___sys_sendmsg+0xee/0x170 [ 131.188682][ T10] __sys_sendmsg+0xcd/0x170 [ 131.188682][ T10] do_syscall_64+0xc6/0x1e0 [ 131.188682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.188682][ T10] [ 131.190571][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 131.190890][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 131.190890][ T10] netdev_get_by_index+0x5e/0x80 [ 131.190890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 131.190890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 131.190890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 131.190890][ T10] ipv6_add_addr+0x411/0x2000 [ 131.190890][ T10] inet6_addr_add+0x30e/0xa40 [ 131.190890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 131.190890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.190890][ T10] netlink_rcv_skb+0x130/0x360 [ 131.190890][ T10] netlink_unicast+0x449/0x710 [ 131.190890][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.190890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.190890][ T10] ___sys_sendmsg+0xee/0x170 [ 131.190890][ T10] __sys_sendmsg+0xcd/0x170 [ 131.190890][ T10] do_syscall_64+0xc6/0x1e0 [ 131.190890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.190890][ T10] [ 131.193053][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 131.193053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 131.193053][ T10] ipv6_find_idev+0x102/0x170 [ 131.193053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.193053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.193053][ T10] netlink_rcv_skb+0x130/0x360 [ 131.193053][ T10] netlink_unicast+0x449/0x710 [ 131.193053][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.193053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.193053][ T10] ___sys_sendmsg+0xee/0x170 [ 131.193053][ T10] __sys_sendmsg+0xcd/0x170 [ 131.193053][ T10] do_syscall_64+0xc6/0x1e0 [ 131.193053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.193053][ T10] [ 131.194765][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 131.194765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 131.194765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 131.194765][ T10] ipv6_find_idev+0x102/0x170 [ 131.194765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 131.194765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 131.194765][ T10] netlink_rcv_skb+0x130/0x360 [ 131.194765][ T10] netlink_unicast+0x449/0x710 [ 131.194765][ T10] netlink_sendmsg+0x723/0xbe0 [ 131.194765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 131.194765][ T10] ___sys_sendmsg+0xee/0x170 [ 131.194765][ T10] __sys_sendmsg+0xcd/0x170 [ 131.194765][ T10] do_syscall_64+0xc6/0x1e0 [ 131.194765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 131.194765][ T10] [ 141.277874][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 141.278208][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 141.278208][ T10] netdev_get_by_index+0x5e/0x80 [ 141.278208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.278208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.278208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.278208][ T10] ipv6_add_addr+0x411/0x2000 [ 141.278208][ T10] inet6_addr_add+0x30e/0xa40 [ 141.278208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.278208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.278208][ T10] netlink_rcv_skb+0x130/0x360 [ 141.278208][ T10] netlink_unicast+0x449/0x710 [ 141.278208][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.278208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.278208][ T10] ___sys_sendmsg+0xee/0x170 [ 141.278208][ T10] __sys_sendmsg+0xcd/0x170 [ 141.278208][ T10] do_syscall_64+0xc6/0x1e0 [ 141.278208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.278208][ T10] [ 141.280273][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 141.280273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.280273][ T10] ipv6_find_idev+0x102/0x170 [ 141.280273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.280273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.280273][ T10] netlink_rcv_skb+0x130/0x360 [ 141.280273][ T10] netlink_unicast+0x449/0x710 [ 141.280273][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.280273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.280273][ T10] ___sys_sendmsg+0xee/0x170 [ 141.280273][ T10] __sys_sendmsg+0xcd/0x170 [ 141.280273][ T10] do_syscall_64+0xc6/0x1e0 [ 141.280273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.280273][ T10] [ 141.281851][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 141.281851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.281851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.281851][ T10] ipv6_find_idev+0x102/0x170 [ 141.281851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.281851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.281851][ T10] netlink_rcv_skb+0x130/0x360 [ 141.281851][ T10] netlink_unicast+0x449/0x710 [ 141.281851][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.281851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.281851][ T10] ___sys_sendmsg+0xee/0x170 [ 141.281851][ T10] __sys_sendmsg+0xcd/0x170 [ 141.281851][ T10] do_syscall_64+0xc6/0x1e0 [ 141.281851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.281851][ T10] [ 141.283550][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 141.283838][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 141.283838][ T10] netdev_get_by_index+0x5e/0x80 [ 141.283838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.283838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.283838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.283838][ T10] ipv6_add_addr+0x411/0x2000 [ 141.283838][ T10] inet6_addr_add+0x30e/0xa40 [ 141.283838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.283838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.283838][ T10] netlink_rcv_skb+0x130/0x360 [ 141.283838][ T10] netlink_unicast+0x449/0x710 [ 141.283838][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.283838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.283838][ T10] ___sys_sendmsg+0xee/0x170 [ 141.283838][ T10] __sys_sendmsg+0xcd/0x170 [ 141.283838][ T10] do_syscall_64+0xc6/0x1e0 [ 141.283838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.283838][ T10] [ 141.285840][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 141.285840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.285840][ T10] ipv6_find_idev+0x102/0x170 [ 141.285840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.285840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.285840][ T10] netlink_rcv_skb+0x130/0x360 [ 141.285840][ T10] netlink_unicast+0x449/0x710 [ 141.285840][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.285840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.285840][ T10] ___sys_sendmsg+0xee/0x170 [ 141.285840][ T10] __sys_sendmsg+0xcd/0x170 [ 141.285840][ T10] do_syscall_64+0xc6/0x1e0 [ 141.285840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.285840][ T10] [ 141.287394][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 141.287394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.287394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.287394][ T10] ipv6_find_idev+0x102/0x170 [ 141.287394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.287394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.287394][ T10] netlink_rcv_skb+0x130/0x360 [ 141.287394][ T10] netlink_unicast+0x449/0x710 [ 141.287394][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.287394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.287394][ T10] ___sys_sendmsg+0xee/0x170 [ 141.287394][ T10] __sys_sendmsg+0xcd/0x170 [ 141.287394][ T10] do_syscall_64+0xc6/0x1e0 [ 141.287394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.287394][ T10] [ 141.289087][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 141.289351][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 141.289351][ T10] netdev_get_by_index+0x5e/0x80 [ 141.289351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.289351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.289351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.289351][ T10] ipv6_add_addr+0x411/0x2000 [ 141.289351][ T10] inet6_addr_add+0x30e/0xa40 [ 141.289351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.289351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.289351][ T10] netlink_rcv_skb+0x130/0x360 [ 141.289351][ T10] netlink_unicast+0x449/0x710 [ 141.289351][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.289351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.289351][ T10] ___sys_sendmsg+0xee/0x170 [ 141.289351][ T10] __sys_sendmsg+0xcd/0x170 [ 141.289351][ T10] do_syscall_64+0xc6/0x1e0 [ 141.289351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.289351][ T10] [ 141.291354][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 141.291354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.291354][ T10] ipv6_find_idev+0x102/0x170 [ 141.291354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.291354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.291354][ T10] netlink_rcv_skb+0x130/0x360 [ 141.291354][ T10] netlink_unicast+0x449/0x710 [ 141.291354][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.291354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.291354][ T10] ___sys_sendmsg+0xee/0x170 [ 141.291354][ T10] __sys_sendmsg+0xcd/0x170 [ 141.291354][ T10] do_syscall_64+0xc6/0x1e0 [ 141.291354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.291354][ T10] [ 141.292894][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 141.292894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.292894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.292894][ T10] ipv6_find_idev+0x102/0x170 [ 141.292894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.292894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.292894][ T10] netlink_rcv_skb+0x130/0x360 [ 141.292894][ T10] netlink_unicast+0x449/0x710 [ 141.292894][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.292894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.292894][ T10] ___sys_sendmsg+0xee/0x170 [ 141.292894][ T10] __sys_sendmsg+0xcd/0x170 [ 141.292894][ T10] do_syscall_64+0xc6/0x1e0 [ 141.292894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.292894][ T10] [ 141.294561][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 141.294834][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 141.294834][ T10] netdev_get_by_index+0x5e/0x80 [ 141.294834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.294834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.294834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.294834][ T10] ipv6_add_addr+0x411/0x2000 [ 141.294834][ T10] inet6_addr_add+0x30e/0xa40 [ 141.294834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.294834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.294834][ T10] netlink_rcv_skb+0x130/0x360 [ 141.294834][ T10] netlink_unicast+0x449/0x710 [ 141.294834][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.294834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.294834][ T10] ___sys_sendmsg+0xee/0x170 [ 141.294834][ T10] __sys_sendmsg+0xcd/0x170 [ 141.294834][ T10] do_syscall_64+0xc6/0x1e0 [ 141.294834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.294834][ T10] [ 141.296851][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 141.296851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.296851][ T10] ipv6_find_idev+0x102/0x170 [ 141.296851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.296851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.296851][ T10] netlink_rcv_skb+0x130/0x360 [ 141.296851][ T10] netlink_unicast+0x449/0x710 [ 141.296851][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.296851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.296851][ T10] ___sys_sendmsg+0xee/0x170 [ 141.296851][ T10] __sys_sendmsg+0xcd/0x170 [ 141.296851][ T10] do_syscall_64+0xc6/0x1e0 [ 141.296851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.296851][ T10] [ 141.298738][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 141.298738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.298738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.298738][ T10] ipv6_find_idev+0x102/0x170 [ 141.298738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.298738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.298738][ T10] netlink_rcv_skb+0x130/0x360 [ 141.298738][ T10] netlink_unicast+0x449/0x710 [ 141.298738][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.298738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.298738][ T10] ___sys_sendmsg+0xee/0x170 [ 141.298738][ T10] __sys_sendmsg+0xcd/0x170 [ 141.298738][ T10] do_syscall_64+0xc6/0x1e0 [ 141.298738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.298738][ T10] [ 141.300634][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 141.301407][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 141.301407][ T10] netdev_get_by_index+0x5e/0x80 [ 141.301407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.301407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.301407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.301407][ T10] ipv6_add_addr+0x411/0x2000 [ 141.301407][ T10] inet6_addr_add+0x30e/0xa40 [ 141.301407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.301407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.301407][ T10] netlink_rcv_skb+0x130/0x360 [ 141.301407][ T10] netlink_unicast+0x449/0x710 [ 141.301407][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.301407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.301407][ T10] ___sys_sendmsg+0xee/0x170 [ 141.301407][ T10] __sys_sendmsg+0xcd/0x170 [ 141.301407][ T10] do_syscall_64+0xc6/0x1e0 [ 141.301407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.301407][ T10] [ 141.303406][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 141.303406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.303406][ T10] ipv6_find_idev+0x102/0x170 [ 141.303406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.303406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.303406][ T10] netlink_rcv_skb+0x130/0x360 [ 141.303406][ T10] netlink_unicast+0x449/0x710 [ 141.303406][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.303406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.303406][ T10] ___sys_sendmsg+0xee/0x170 [ 141.303406][ T10] __sys_sendmsg+0xcd/0x170 [ 141.303406][ T10] do_syscall_64+0xc6/0x1e0 [ 141.303406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.303406][ T10] [ 141.305024][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 141.305024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.305024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.305024][ T10] ipv6_find_idev+0x102/0x170 [ 141.305024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.305024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.305024][ T10] netlink_rcv_skb+0x130/0x360 [ 141.305024][ T10] netlink_unicast+0x449/0x710 [ 141.305024][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.305024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.305024][ T10] ___sys_sendmsg+0xee/0x170 [ 141.305024][ T10] __sys_sendmsg+0xcd/0x170 [ 141.305024][ T10] do_syscall_64+0xc6/0x1e0 [ 141.305024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.305024][ T10] [ 141.306878][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 141.307148][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 141.307148][ T10] netdev_get_by_index+0x5e/0x80 [ 141.307148][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.307148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.307148][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.307148][ T10] ipv6_add_addr+0x411/0x2000 [ 141.307148][ T10] inet6_addr_add+0x30e/0xa40 [ 141.307148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.307148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.307148][ T10] netlink_rcv_skb+0x130/0x360 [ 141.307148][ T10] netlink_unicast+0x449/0x710 [ 141.307148][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.307148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.307148][ T10] ___sys_sendmsg+0xee/0x170 [ 141.307148][ T10] __sys_sendmsg+0xcd/0x170 [ 141.307148][ T10] do_syscall_64+0xc6/0x1e0 [ 141.307148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.307148][ T10] [ 141.309283][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 141.309283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.309283][ T10] ipv6_find_idev+0x102/0x170 [ 141.309283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.309283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.309283][ T10] netlink_rcv_skb+0x130/0x360 [ 141.309283][ T10] netlink_unicast+0x449/0x710 [ 141.309283][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.309283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.309283][ T10] ___sys_sendmsg+0xee/0x170 [ 141.309283][ T10] __sys_sendmsg+0xcd/0x170 [ 141.309283][ T10] do_syscall_64+0xc6/0x1e0 [ 141.309283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.309283][ T10] [ 141.310952][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 141.310952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.310952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.310952][ T10] ipv6_find_idev+0x102/0x170 [ 141.310952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.310952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.310952][ T10] netlink_rcv_skb+0x130/0x360 [ 141.310952][ T10] netlink_unicast+0x449/0x710 [ 141.310952][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.310952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.310952][ T10] ___sys_sendmsg+0xee/0x170 [ 141.310952][ T10] __sys_sendmsg+0xcd/0x170 [ 141.310952][ T10] do_syscall_64+0xc6/0x1e0 [ 141.310952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.310952][ T10] [ 141.312732][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 141.313053][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 141.313053][ T10] netdev_get_by_index+0x5e/0x80 [ 141.313053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.313053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.313053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.313053][ T10] ipv6_add_addr+0x411/0x2000 [ 141.313053][ T10] inet6_addr_add+0x30e/0xa40 [ 141.313053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.313053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.313053][ T10] netlink_rcv_skb+0x130/0x360 [ 141.313053][ T10] netlink_unicast+0x449/0x710 [ 141.313053][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.313053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.313053][ T10] ___sys_sendmsg+0xee/0x170 [ 141.313053][ T10] __sys_sendmsg+0xcd/0x170 [ 141.313053][ T10] do_syscall_64+0xc6/0x1e0 [ 141.313053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.313053][ T10] [ 141.315063][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 141.315063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.315063][ T10] ipv6_find_idev+0x102/0x170 [ 141.315063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.315063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.315063][ T10] netlink_rcv_skb+0x130/0x360 [ 141.315063][ T10] netlink_unicast+0x449/0x710 [ 141.315063][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.315063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.315063][ T10] ___sys_sendmsg+0xee/0x170 [ 141.315063][ T10] __sys_sendmsg+0xcd/0x170 [ 141.315063][ T10] do_syscall_64+0xc6/0x1e0 [ 141.315063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.315063][ T10] [ 141.316691][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 141.316691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.316691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.316691][ T10] ipv6_find_idev+0x102/0x170 [ 141.316691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.316691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.316691][ T10] netlink_rcv_skb+0x130/0x360 [ 141.316691][ T10] netlink_unicast+0x449/0x710 [ 141.316691][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.316691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.316691][ T10] ___sys_sendmsg+0xee/0x170 [ 141.316691][ T10] __sys_sendmsg+0xcd/0x170 [ 141.316691][ T10] do_syscall_64+0xc6/0x1e0 [ 141.316691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.316691][ T10] [ 141.318678][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 141.318997][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 141.318997][ T10] netdev_get_by_index+0x5e/0x80 [ 141.318997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 141.318997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 141.318997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 141.318997][ T10] ipv6_add_addr+0x411/0x2000 [ 141.318997][ T10] inet6_addr_add+0x30e/0xa40 [ 141.318997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 141.318997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.318997][ T10] netlink_rcv_skb+0x130/0x360 [ 141.318997][ T10] netlink_unicast+0x449/0x710 [ 141.318997][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.318997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.318997][ T10] ___sys_sendmsg+0xee/0x170 [ 141.318997][ T10] __sys_sendmsg+0xcd/0x170 [ 141.318997][ T10] do_syscall_64+0xc6/0x1e0 [ 141.318997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.318997][ T10] [ 141.320994][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 141.320994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 141.320994][ T10] ipv6_find_idev+0x102/0x170 [ 141.320994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.320994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.320994][ T10] netlink_rcv_skb+0x130/0x360 [ 141.320994][ T10] netlink_unicast+0x449/0x710 [ 141.320994][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.320994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.320994][ T10] ___sys_sendmsg+0xee/0x170 [ 141.320994][ T10] __sys_sendmsg+0xcd/0x170 [ 141.320994][ T10] do_syscall_64+0xc6/0x1e0 [ 141.320994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.320994][ T10] [ 141.322685][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 141.322685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 141.322685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 141.322685][ T10] ipv6_find_idev+0x102/0x170 [ 141.322685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 141.322685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 141.322685][ T10] netlink_rcv_skb+0x130/0x360 [ 141.322685][ T10] netlink_unicast+0x449/0x710 [ 141.322685][ T10] netlink_sendmsg+0x723/0xbe0 [ 141.322685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 141.322685][ T10] ___sys_sendmsg+0xee/0x170 [ 141.322685][ T10] __sys_sendmsg+0xcd/0x170 [ 141.322685][ T10] do_syscall_64+0xc6/0x1e0 [ 141.322685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 141.322685][ T10] [ 151.461886][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 151.462341][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 151.462341][ T10] netdev_get_by_index+0x5e/0x80 [ 151.462341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.462341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.462341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.462341][ T10] ipv6_add_addr+0x411/0x2000 [ 151.462341][ T10] inet6_addr_add+0x30e/0xa40 [ 151.462341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.462341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.462341][ T10] netlink_rcv_skb+0x130/0x360 [ 151.462341][ T10] netlink_unicast+0x449/0x710 [ 151.462341][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.462341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.462341][ T10] ___sys_sendmsg+0xee/0x170 [ 151.462341][ T10] __sys_sendmsg+0xcd/0x170 [ 151.462341][ T10] do_syscall_64+0xc6/0x1e0 [ 151.462341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.462341][ T10] [ 151.464407][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 151.464407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.464407][ T10] ipv6_find_idev+0x102/0x170 [ 151.464407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.464407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.464407][ T10] netlink_rcv_skb+0x130/0x360 [ 151.464407][ T10] netlink_unicast+0x449/0x710 [ 151.464407][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.464407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.464407][ T10] ___sys_sendmsg+0xee/0x170 [ 151.464407][ T10] __sys_sendmsg+0xcd/0x170 [ 151.464407][ T10] do_syscall_64+0xc6/0x1e0 [ 151.464407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.464407][ T10] [ 151.465981][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 151.465981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.465981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.465981][ T10] ipv6_find_idev+0x102/0x170 [ 151.465981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.465981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.465981][ T10] netlink_rcv_skb+0x130/0x360 [ 151.465981][ T10] netlink_unicast+0x449/0x710 [ 151.465981][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.465981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.465981][ T10] ___sys_sendmsg+0xee/0x170 [ 151.465981][ T10] __sys_sendmsg+0xcd/0x170 [ 151.465981][ T10] do_syscall_64+0xc6/0x1e0 [ 151.465981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.465981][ T10] [ 151.467722][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 151.468016][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 151.468016][ T10] netdev_get_by_index+0x5e/0x80 [ 151.468016][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.468016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.468016][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.468016][ T10] ipv6_add_addr+0x411/0x2000 [ 151.468016][ T10] inet6_addr_add+0x30e/0xa40 [ 151.468016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.468016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.468016][ T10] netlink_rcv_skb+0x130/0x360 [ 151.468016][ T10] netlink_unicast+0x449/0x710 [ 151.468016][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.468016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.468016][ T10] ___sys_sendmsg+0xee/0x170 [ 151.468016][ T10] __sys_sendmsg+0xcd/0x170 [ 151.468016][ T10] do_syscall_64+0xc6/0x1e0 [ 151.468016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.468016][ T10] [ 151.470045][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 151.470045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.470045][ T10] ipv6_find_idev+0x102/0x170 [ 151.470045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.470045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.470045][ T10] netlink_rcv_skb+0x130/0x360 [ 151.470045][ T10] netlink_unicast+0x449/0x710 [ 151.470045][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.470045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.470045][ T10] ___sys_sendmsg+0xee/0x170 [ 151.470045][ T10] __sys_sendmsg+0xcd/0x170 [ 151.470045][ T10] do_syscall_64+0xc6/0x1e0 [ 151.470045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.470045][ T10] [ 151.471617][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 151.471617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.471617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.471617][ T10] ipv6_find_idev+0x102/0x170 [ 151.471617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.471617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.471617][ T10] netlink_rcv_skb+0x130/0x360 [ 151.471617][ T10] netlink_unicast+0x449/0x710 [ 151.471617][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.471617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.471617][ T10] ___sys_sendmsg+0xee/0x170 [ 151.471617][ T10] __sys_sendmsg+0xcd/0x170 [ 151.471617][ T10] do_syscall_64+0xc6/0x1e0 [ 151.471617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.471617][ T10] [ 151.473336][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 151.473607][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 151.473607][ T10] netdev_get_by_index+0x5e/0x80 [ 151.473607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.473607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.473607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.473607][ T10] ipv6_add_addr+0x411/0x2000 [ 151.473607][ T10] inet6_addr_add+0x30e/0xa40 [ 151.473607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.473607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.473607][ T10] netlink_rcv_skb+0x130/0x360 [ 151.473607][ T10] netlink_unicast+0x449/0x710 [ 151.473607][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.473607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.473607][ T10] ___sys_sendmsg+0xee/0x170 [ 151.473607][ T10] __sys_sendmsg+0xcd/0x170 [ 151.473607][ T10] do_syscall_64+0xc6/0x1e0 [ 151.473607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.473607][ T10] [ 151.475632][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 151.475632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.475632][ T10] ipv6_find_idev+0x102/0x170 [ 151.475632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.475632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.475632][ T10] netlink_rcv_skb+0x130/0x360 [ 151.475632][ T10] netlink_unicast+0x449/0x710 [ 151.475632][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.475632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.475632][ T10] ___sys_sendmsg+0xee/0x170 [ 151.475632][ T10] __sys_sendmsg+0xcd/0x170 [ 151.475632][ T10] do_syscall_64+0xc6/0x1e0 [ 151.475632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.475632][ T10] [ 151.477183][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 151.477183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.477183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.477183][ T10] ipv6_find_idev+0x102/0x170 [ 151.477183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.477183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.477183][ T10] netlink_rcv_skb+0x130/0x360 [ 151.477183][ T10] netlink_unicast+0x449/0x710 [ 151.477183][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.477183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.477183][ T10] ___sys_sendmsg+0xee/0x170 [ 151.477183][ T10] __sys_sendmsg+0xcd/0x170 [ 151.477183][ T10] do_syscall_64+0xc6/0x1e0 [ 151.477183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.477183][ T10] [ 151.478886][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 151.479158][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 151.479158][ T10] netdev_get_by_index+0x5e/0x80 [ 151.479158][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.479158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.479158][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.479158][ T10] ipv6_add_addr+0x411/0x2000 [ 151.479158][ T10] inet6_addr_add+0x30e/0xa40 [ 151.479158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.479158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.479158][ T10] netlink_rcv_skb+0x130/0x360 [ 151.479158][ T10] netlink_unicast+0x449/0x710 [ 151.479158][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.479158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.479158][ T10] ___sys_sendmsg+0xee/0x170 [ 151.479158][ T10] __sys_sendmsg+0xcd/0x170 [ 151.479158][ T10] do_syscall_64+0xc6/0x1e0 [ 151.479158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.479158][ T10] [ 151.481164][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 151.481164][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.481164][ T10] ipv6_find_idev+0x102/0x170 [ 151.481164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.481164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.481164][ T10] netlink_rcv_skb+0x130/0x360 [ 151.481164][ T10] netlink_unicast+0x449/0x710 [ 151.481164][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.481164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.481164][ T10] ___sys_sendmsg+0xee/0x170 [ 151.481164][ T10] __sys_sendmsg+0xcd/0x170 [ 151.481164][ T10] do_syscall_64+0xc6/0x1e0 [ 151.481164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.481164][ T10] [ 151.482744][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 151.482744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.482744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.482744][ T10] ipv6_find_idev+0x102/0x170 [ 151.482744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.482744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.482744][ T10] netlink_rcv_skb+0x130/0x360 [ 151.482744][ T10] netlink_unicast+0x449/0x710 [ 151.482744][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.482744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.482744][ T10] ___sys_sendmsg+0xee/0x170 [ 151.482744][ T10] __sys_sendmsg+0xcd/0x170 [ 151.482744][ T10] do_syscall_64+0xc6/0x1e0 [ 151.482744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.482744][ T10] [ 151.484840][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 151.485168][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 151.485168][ T10] netdev_get_by_index+0x5e/0x80 [ 151.485168][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.485168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.485168][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.485168][ T10] ipv6_add_addr+0x411/0x2000 [ 151.485168][ T10] inet6_addr_add+0x30e/0xa40 [ 151.485168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.485168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.485168][ T10] netlink_rcv_skb+0x130/0x360 [ 151.485168][ T10] netlink_unicast+0x449/0x710 [ 151.485168][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.485168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.485168][ T10] ___sys_sendmsg+0xee/0x170 [ 151.485168][ T10] __sys_sendmsg+0xcd/0x170 [ 151.485168][ T10] do_syscall_64+0xc6/0x1e0 [ 151.485168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.485168][ T10] [ 151.487198][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 151.487198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.487198][ T10] ipv6_find_idev+0x102/0x170 [ 151.487198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.487198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.487198][ T10] netlink_rcv_skb+0x130/0x360 [ 151.487198][ T10] netlink_unicast+0x449/0x710 [ 151.487198][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.487198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.487198][ T10] ___sys_sendmsg+0xee/0x170 [ 151.487198][ T10] __sys_sendmsg+0xcd/0x170 [ 151.487198][ T10] do_syscall_64+0xc6/0x1e0 [ 151.487198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.487198][ T10] [ 151.488751][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 151.488751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.488751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.488751][ T10] ipv6_find_idev+0x102/0x170 [ 151.488751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.488751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.488751][ T10] netlink_rcv_skb+0x130/0x360 [ 151.488751][ T10] netlink_unicast+0x449/0x710 [ 151.488751][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.488751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.488751][ T10] ___sys_sendmsg+0xee/0x170 [ 151.488751][ T10] __sys_sendmsg+0xcd/0x170 [ 151.488751][ T10] do_syscall_64+0xc6/0x1e0 [ 151.488751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.488751][ T10] [ 151.490514][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 151.490847][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 151.490847][ T10] netdev_get_by_index+0x5e/0x80 [ 151.490847][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.490847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.490847][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.490847][ T10] ipv6_add_addr+0x411/0x2000 [ 151.490847][ T10] inet6_addr_add+0x30e/0xa40 [ 151.490847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.490847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.490847][ T10] netlink_rcv_skb+0x130/0x360 [ 151.490847][ T10] netlink_unicast+0x449/0x710 [ 151.490847][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.490847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.490847][ T10] ___sys_sendmsg+0xee/0x170 [ 151.490847][ T10] __sys_sendmsg+0xcd/0x170 [ 151.490847][ T10] do_syscall_64+0xc6/0x1e0 [ 151.490847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.490847][ T10] [ 151.492925][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 151.492925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.492925][ T10] ipv6_find_idev+0x102/0x170 [ 151.492925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.492925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.492925][ T10] netlink_rcv_skb+0x130/0x360 [ 151.492925][ T10] netlink_unicast+0x449/0x710 [ 151.492925][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.492925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.492925][ T10] ___sys_sendmsg+0xee/0x170 [ 151.492925][ T10] __sys_sendmsg+0xcd/0x170 [ 151.492925][ T10] do_syscall_64+0xc6/0x1e0 [ 151.492925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.492925][ T10] [ 151.494637][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 151.494637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.494637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.494637][ T10] ipv6_find_idev+0x102/0x170 [ 151.494637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.494637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.494637][ T10] netlink_rcv_skb+0x130/0x360 [ 151.494637][ T10] netlink_unicast+0x449/0x710 [ 151.494637][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.494637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.494637][ T10] ___sys_sendmsg+0xee/0x170 [ 151.494637][ T10] __sys_sendmsg+0xcd/0x170 [ 151.494637][ T10] do_syscall_64+0xc6/0x1e0 [ 151.494637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.494637][ T10] [ 151.496722][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 151.497054][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 151.497054][ T10] netdev_get_by_index+0x5e/0x80 [ 151.497054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.497054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.497054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.497054][ T10] ipv6_add_addr+0x411/0x2000 [ 151.497054][ T10] inet6_addr_add+0x30e/0xa40 [ 151.497054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.497054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.497054][ T10] netlink_rcv_skb+0x130/0x360 [ 151.497054][ T10] netlink_unicast+0x449/0x710 [ 151.497054][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.497054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.497054][ T10] ___sys_sendmsg+0xee/0x170 [ 151.497054][ T10] __sys_sendmsg+0xcd/0x170 [ 151.497054][ T10] do_syscall_64+0xc6/0x1e0 [ 151.497054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.497054][ T10] [ 151.499239][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 151.499239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.499239][ T10] ipv6_find_idev+0x102/0x170 [ 151.499239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.499239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.499239][ T10] netlink_rcv_skb+0x130/0x360 [ 151.499239][ T10] netlink_unicast+0x449/0x710 [ 151.499239][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.499239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.499239][ T10] ___sys_sendmsg+0xee/0x170 [ 151.499239][ T10] __sys_sendmsg+0xcd/0x170 [ 151.499239][ T10] do_syscall_64+0xc6/0x1e0 [ 151.499239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.499239][ T10] [ 151.500988][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 151.500988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.500988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.500988][ T10] ipv6_find_idev+0x102/0x170 [ 151.500988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.500988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.500988][ T10] netlink_rcv_skb+0x130/0x360 [ 151.500988][ T10] netlink_unicast+0x449/0x710 [ 151.500988][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.500988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.500988][ T10] ___sys_sendmsg+0xee/0x170 [ 151.500988][ T10] __sys_sendmsg+0xcd/0x170 [ 151.500988][ T10] do_syscall_64+0xc6/0x1e0 [ 151.500988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.500988][ T10] [ 151.502909][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 151.503224][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 151.503224][ T10] netdev_get_by_index+0x5e/0x80 [ 151.503224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 151.503224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 151.503224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 151.503224][ T10] ipv6_add_addr+0x411/0x2000 [ 151.503224][ T10] inet6_addr_add+0x30e/0xa40 [ 151.503224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 151.503224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.503224][ T10] netlink_rcv_skb+0x130/0x360 [ 151.503224][ T10] netlink_unicast+0x449/0x710 [ 151.503224][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.503224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.503224][ T10] ___sys_sendmsg+0xee/0x170 [ 151.503224][ T10] __sys_sendmsg+0xcd/0x170 [ 151.503224][ T10] do_syscall_64+0xc6/0x1e0 [ 151.503224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.503224][ T10] [ 151.505374][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 151.505374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 151.505374][ T10] ipv6_find_idev+0x102/0x170 [ 151.505374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.505374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.505374][ T10] netlink_rcv_skb+0x130/0x360 [ 151.505374][ T10] netlink_unicast+0x449/0x710 [ 151.505374][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.505374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.505374][ T10] ___sys_sendmsg+0xee/0x170 [ 151.505374][ T10] __sys_sendmsg+0xcd/0x170 [ 151.505374][ T10] do_syscall_64+0xc6/0x1e0 [ 151.505374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.505374][ T10] [ 151.507149][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 151.507149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 151.507149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 151.507149][ T10] ipv6_find_idev+0x102/0x170 [ 151.507149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 151.507149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 151.507149][ T10] netlink_rcv_skb+0x130/0x360 [ 151.507149][ T10] netlink_unicast+0x449/0x710 [ 151.507149][ T10] netlink_sendmsg+0x723/0xbe0 [ 151.507149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 151.507149][ T10] ___sys_sendmsg+0xee/0x170 [ 151.507149][ T10] __sys_sendmsg+0xcd/0x170 [ 151.507149][ T10] do_syscall_64+0xc6/0x1e0 [ 151.507149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 151.507149][ T10] [ 161.549915][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 161.550395][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 161.550395][ T10] netdev_get_by_index+0x5e/0x80 [ 161.550395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.550395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.550395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.550395][ T10] ipv6_add_addr+0x411/0x2000 [ 161.550395][ T10] inet6_addr_add+0x30e/0xa40 [ 161.550395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.550395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.550395][ T10] netlink_rcv_skb+0x130/0x360 [ 161.550395][ T10] netlink_unicast+0x449/0x710 [ 161.550395][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.550395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.550395][ T10] ___sys_sendmsg+0xee/0x170 [ 161.550395][ T10] __sys_sendmsg+0xcd/0x170 [ 161.550395][ T10] do_syscall_64+0xc6/0x1e0 [ 161.550395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.550395][ T10] [ 161.552429][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 161.552429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.552429][ T10] ipv6_find_idev+0x102/0x170 [ 161.552429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.552429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.552429][ T10] netlink_rcv_skb+0x130/0x360 [ 161.552429][ T10] netlink_unicast+0x449/0x710 [ 161.552429][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.552429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.552429][ T10] ___sys_sendmsg+0xee/0x170 [ 161.552429][ T10] __sys_sendmsg+0xcd/0x170 [ 161.552429][ T10] do_syscall_64+0xc6/0x1e0 [ 161.552429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.552429][ T10] [ 161.553934][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 161.553934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.553934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.553934][ T10] ipv6_find_idev+0x102/0x170 [ 161.553934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.553934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.553934][ T10] netlink_rcv_skb+0x130/0x360 [ 161.553934][ T10] netlink_unicast+0x449/0x710 [ 161.553934][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.553934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.553934][ T10] ___sys_sendmsg+0xee/0x170 [ 161.553934][ T10] __sys_sendmsg+0xcd/0x170 [ 161.553934][ T10] do_syscall_64+0xc6/0x1e0 [ 161.553934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.553934][ T10] [ 161.555652][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 161.555960][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 161.555960][ T10] netdev_get_by_index+0x5e/0x80 [ 161.555960][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.555960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.555960][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.555960][ T10] ipv6_add_addr+0x411/0x2000 [ 161.555960][ T10] inet6_addr_add+0x30e/0xa40 [ 161.555960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.555960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.555960][ T10] netlink_rcv_skb+0x130/0x360 [ 161.555960][ T10] netlink_unicast+0x449/0x710 [ 161.555960][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.555960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.555960][ T10] ___sys_sendmsg+0xee/0x170 [ 161.555960][ T10] __sys_sendmsg+0xcd/0x170 [ 161.555960][ T10] do_syscall_64+0xc6/0x1e0 [ 161.555960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.555960][ T10] [ 161.557896][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 161.557896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.557896][ T10] ipv6_find_idev+0x102/0x170 [ 161.557896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.557896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.557896][ T10] netlink_rcv_skb+0x130/0x360 [ 161.557896][ T10] netlink_unicast+0x449/0x710 [ 161.557896][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.557896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.557896][ T10] ___sys_sendmsg+0xee/0x170 [ 161.557896][ T10] __sys_sendmsg+0xcd/0x170 [ 161.557896][ T10] do_syscall_64+0xc6/0x1e0 [ 161.557896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.557896][ T10] [ 161.559417][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 161.559417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.559417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.559417][ T10] ipv6_find_idev+0x102/0x170 [ 161.559417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.559417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.559417][ T10] netlink_rcv_skb+0x130/0x360 [ 161.559417][ T10] netlink_unicast+0x449/0x710 [ 161.559417][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.559417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.559417][ T10] ___sys_sendmsg+0xee/0x170 [ 161.559417][ T10] __sys_sendmsg+0xcd/0x170 [ 161.559417][ T10] do_syscall_64+0xc6/0x1e0 [ 161.559417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.559417][ T10] [ 161.561143][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 161.561409][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 161.561409][ T10] netdev_get_by_index+0x5e/0x80 [ 161.561409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.561409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.561409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.561409][ T10] ipv6_add_addr+0x411/0x2000 [ 161.561409][ T10] inet6_addr_add+0x30e/0xa40 [ 161.561409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.561409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.561409][ T10] netlink_rcv_skb+0x130/0x360 [ 161.561409][ T10] netlink_unicast+0x449/0x710 [ 161.561409][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.561409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.561409][ T10] ___sys_sendmsg+0xee/0x170 [ 161.561409][ T10] __sys_sendmsg+0xcd/0x170 [ 161.561409][ T10] do_syscall_64+0xc6/0x1e0 [ 161.561409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.561409][ T10] [ 161.563402][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 161.563402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.563402][ T10] ipv6_find_idev+0x102/0x170 [ 161.563402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.563402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.563402][ T10] netlink_rcv_skb+0x130/0x360 [ 161.563402][ T10] netlink_unicast+0x449/0x710 [ 161.563402][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.563402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.563402][ T10] ___sys_sendmsg+0xee/0x170 [ 161.563402][ T10] __sys_sendmsg+0xcd/0x170 [ 161.563402][ T10] do_syscall_64+0xc6/0x1e0 [ 161.563402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.563402][ T10] [ 161.564877][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 161.564877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.564877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.564877][ T10] ipv6_find_idev+0x102/0x170 [ 161.564877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.564877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.564877][ T10] netlink_rcv_skb+0x130/0x360 [ 161.564877][ T10] netlink_unicast+0x449/0x710 [ 161.564877][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.564877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.564877][ T10] ___sys_sendmsg+0xee/0x170 [ 161.564877][ T10] __sys_sendmsg+0xcd/0x170 [ 161.564877][ T10] do_syscall_64+0xc6/0x1e0 [ 161.564877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.564877][ T10] [ 161.566608][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 161.567308][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 161.567308][ T10] netdev_get_by_index+0x5e/0x80 [ 161.567308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.567308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.567308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.567308][ T10] ipv6_add_addr+0x411/0x2000 [ 161.567308][ T10] inet6_addr_add+0x30e/0xa40 [ 161.567308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.567308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.567308][ T10] netlink_rcv_skb+0x130/0x360 [ 161.567308][ T10] netlink_unicast+0x449/0x710 [ 161.567308][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.567308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.567308][ T10] ___sys_sendmsg+0xee/0x170 [ 161.567308][ T10] __sys_sendmsg+0xcd/0x170 [ 161.567308][ T10] do_syscall_64+0xc6/0x1e0 [ 161.567308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.567308][ T10] [ 161.569303][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 161.569303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.569303][ T10] ipv6_find_idev+0x102/0x170 [ 161.569303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.569303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.569303][ T10] netlink_rcv_skb+0x130/0x360 [ 161.569303][ T10] netlink_unicast+0x449/0x710 [ 161.569303][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.569303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.569303][ T10] ___sys_sendmsg+0xee/0x170 [ 161.569303][ T10] __sys_sendmsg+0xcd/0x170 [ 161.569303][ T10] do_syscall_64+0xc6/0x1e0 [ 161.569303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.569303][ T10] [ 161.570804][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 161.570804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.570804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.570804][ T10] ipv6_find_idev+0x102/0x170 [ 161.570804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.570804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.570804][ T10] netlink_rcv_skb+0x130/0x360 [ 161.570804][ T10] netlink_unicast+0x449/0x710 [ 161.570804][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.570804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.570804][ T10] ___sys_sendmsg+0xee/0x170 [ 161.570804][ T10] __sys_sendmsg+0xcd/0x170 [ 161.570804][ T10] do_syscall_64+0xc6/0x1e0 [ 161.570804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.570804][ T10] [ 161.572582][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 161.572907][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 161.572907][ T10] netdev_get_by_index+0x5e/0x80 [ 161.572907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.572907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.572907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.572907][ T10] ipv6_add_addr+0x411/0x2000 [ 161.572907][ T10] inet6_addr_add+0x30e/0xa40 [ 161.572907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.572907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.572907][ T10] netlink_rcv_skb+0x130/0x360 [ 161.572907][ T10] netlink_unicast+0x449/0x710 [ 161.572907][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.572907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.572907][ T10] ___sys_sendmsg+0xee/0x170 [ 161.572907][ T10] __sys_sendmsg+0xcd/0x170 [ 161.572907][ T10] do_syscall_64+0xc6/0x1e0 [ 161.572907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.572907][ T10] [ 161.574908][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 161.574908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.574908][ T10] ipv6_find_idev+0x102/0x170 [ 161.574908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.574908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.574908][ T10] netlink_rcv_skb+0x130/0x360 [ 161.574908][ T10] netlink_unicast+0x449/0x710 [ 161.574908][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.574908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.574908][ T10] ___sys_sendmsg+0xee/0x170 [ 161.574908][ T10] __sys_sendmsg+0xcd/0x170 [ 161.574908][ T10] do_syscall_64+0xc6/0x1e0 [ 161.574908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.574908][ T10] [ 161.576458][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 161.576458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.576458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.576458][ T10] ipv6_find_idev+0x102/0x170 [ 161.576458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.576458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.576458][ T10] netlink_rcv_skb+0x130/0x360 [ 161.576458][ T10] netlink_unicast+0x449/0x710 [ 161.576458][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.576458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.576458][ T10] ___sys_sendmsg+0xee/0x170 [ 161.576458][ T10] __sys_sendmsg+0xcd/0x170 [ 161.576458][ T10] do_syscall_64+0xc6/0x1e0 [ 161.576458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.576458][ T10] [ 161.578102][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 161.578426][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 161.578426][ T10] netdev_get_by_index+0x5e/0x80 [ 161.578426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.578426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.578426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.578426][ T10] ipv6_add_addr+0x411/0x2000 [ 161.578426][ T10] inet6_addr_add+0x30e/0xa40 [ 161.578426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.578426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.578426][ T10] netlink_rcv_skb+0x130/0x360 [ 161.578426][ T10] netlink_unicast+0x449/0x710 [ 161.578426][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.578426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.578426][ T10] ___sys_sendmsg+0xee/0x170 [ 161.578426][ T10] __sys_sendmsg+0xcd/0x170 [ 161.578426][ T10] do_syscall_64+0xc6/0x1e0 [ 161.578426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.578426][ T10] [ 161.580452][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 161.580452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.580452][ T10] ipv6_find_idev+0x102/0x170 [ 161.580452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.580452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.580452][ T10] netlink_rcv_skb+0x130/0x360 [ 161.580452][ T10] netlink_unicast+0x449/0x710 [ 161.580452][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.580452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.580452][ T10] ___sys_sendmsg+0xee/0x170 [ 161.580452][ T10] __sys_sendmsg+0xcd/0x170 [ 161.580452][ T10] do_syscall_64+0xc6/0x1e0 [ 161.580452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.580452][ T10] [ 161.582336][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 161.582336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.582336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.582336][ T10] ipv6_find_idev+0x102/0x170 [ 161.582336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.582336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.582336][ T10] netlink_rcv_skb+0x130/0x360 [ 161.582336][ T10] netlink_unicast+0x449/0x710 [ 161.582336][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.582336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.582336][ T10] ___sys_sendmsg+0xee/0x170 [ 161.582336][ T10] __sys_sendmsg+0xcd/0x170 [ 161.582336][ T10] do_syscall_64+0xc6/0x1e0 [ 161.582336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.582336][ T10] [ 161.584264][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 161.584576][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 161.584576][ T10] netdev_get_by_index+0x5e/0x80 [ 161.584576][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.584576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.584576][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.584576][ T10] ipv6_add_addr+0x411/0x2000 [ 161.584576][ T10] inet6_addr_add+0x30e/0xa40 [ 161.584576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.584576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.584576][ T10] netlink_rcv_skb+0x130/0x360 [ 161.584576][ T10] netlink_unicast+0x449/0x710 [ 161.584576][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.584576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.584576][ T10] ___sys_sendmsg+0xee/0x170 [ 161.584576][ T10] __sys_sendmsg+0xcd/0x170 [ 161.584576][ T10] do_syscall_64+0xc6/0x1e0 [ 161.584576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.584576][ T10] [ 161.586733][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 161.586733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.586733][ T10] ipv6_find_idev+0x102/0x170 [ 161.586733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.586733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.586733][ T10] netlink_rcv_skb+0x130/0x360 [ 161.586733][ T10] netlink_unicast+0x449/0x710 [ 161.586733][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.586733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.586733][ T10] ___sys_sendmsg+0xee/0x170 [ 161.586733][ T10] __sys_sendmsg+0xcd/0x170 [ 161.586733][ T10] do_syscall_64+0xc6/0x1e0 [ 161.586733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.586733][ T10] [ 161.588470][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 161.588470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.588470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.588470][ T10] ipv6_find_idev+0x102/0x170 [ 161.588470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.588470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.588470][ T10] netlink_rcv_skb+0x130/0x360 [ 161.588470][ T10] netlink_unicast+0x449/0x710 [ 161.588470][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.588470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.588470][ T10] ___sys_sendmsg+0xee/0x170 [ 161.588470][ T10] __sys_sendmsg+0xcd/0x170 [ 161.588470][ T10] do_syscall_64+0xc6/0x1e0 [ 161.588470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.588470][ T10] [ 161.590362][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 161.590671][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 161.590671][ T10] netdev_get_by_index+0x5e/0x80 [ 161.590671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 161.590671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 161.590671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 161.590671][ T10] ipv6_add_addr+0x411/0x2000 [ 161.590671][ T10] inet6_addr_add+0x30e/0xa40 [ 161.590671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 161.590671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.590671][ T10] netlink_rcv_skb+0x130/0x360 [ 161.590671][ T10] netlink_unicast+0x449/0x710 [ 161.590671][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.590671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.590671][ T10] ___sys_sendmsg+0xee/0x170 [ 161.590671][ T10] __sys_sendmsg+0xcd/0x170 [ 161.590671][ T10] do_syscall_64+0xc6/0x1e0 [ 161.590671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.590671][ T10] [ 161.592852][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 161.592852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 161.592852][ T10] ipv6_find_idev+0x102/0x170 [ 161.592852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.592852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.592852][ T10] netlink_rcv_skb+0x130/0x360 [ 161.592852][ T10] netlink_unicast+0x449/0x710 [ 161.592852][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.592852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.592852][ T10] ___sys_sendmsg+0xee/0x170 [ 161.592852][ T10] __sys_sendmsg+0xcd/0x170 [ 161.592852][ T10] do_syscall_64+0xc6/0x1e0 [ 161.592852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.592852][ T10] [ 161.594634][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 161.594634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 161.594634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 161.594634][ T10] ipv6_find_idev+0x102/0x170 [ 161.594634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 161.594634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 161.594634][ T10] netlink_rcv_skb+0x130/0x360 [ 161.594634][ T10] netlink_unicast+0x449/0x710 [ 161.594634][ T10] netlink_sendmsg+0x723/0xbe0 [ 161.594634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 161.594634][ T10] ___sys_sendmsg+0xee/0x170 [ 161.594634][ T10] __sys_sendmsg+0xcd/0x170 [ 161.594634][ T10] do_syscall_64+0xc6/0x1e0 [ 161.594634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 161.594634][ T10] [ 171.749966][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 171.750990][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 171.750990][ T10] netdev_get_by_index+0x5e/0x80 [ 171.750990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.750990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.750990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.750990][ T10] ipv6_add_addr+0x411/0x2000 [ 171.750990][ T10] inet6_addr_add+0x30e/0xa40 [ 171.750990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.750990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.750990][ T10] netlink_rcv_skb+0x130/0x360 [ 171.750990][ T10] netlink_unicast+0x449/0x710 [ 171.750990][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.750990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.750990][ T10] ___sys_sendmsg+0xee/0x170 [ 171.750990][ T10] __sys_sendmsg+0xcd/0x170 [ 171.750990][ T10] do_syscall_64+0xc6/0x1e0 [ 171.750990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.750990][ T10] [ 171.752985][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 171.752985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.752985][ T10] ipv6_find_idev+0x102/0x170 [ 171.752985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.752985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.752985][ T10] netlink_rcv_skb+0x130/0x360 [ 171.752985][ T10] netlink_unicast+0x449/0x710 [ 171.752985][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.752985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.752985][ T10] ___sys_sendmsg+0xee/0x170 [ 171.752985][ T10] __sys_sendmsg+0xcd/0x170 [ 171.752985][ T10] do_syscall_64+0xc6/0x1e0 [ 171.752985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.752985][ T10] [ 171.754506][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 171.754506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.754506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.754506][ T10] ipv6_find_idev+0x102/0x170 [ 171.754506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.754506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.754506][ T10] netlink_rcv_skb+0x130/0x360 [ 171.754506][ T10] netlink_unicast+0x449/0x710 [ 171.754506][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.754506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.754506][ T10] ___sys_sendmsg+0xee/0x170 [ 171.754506][ T10] __sys_sendmsg+0xcd/0x170 [ 171.754506][ T10] do_syscall_64+0xc6/0x1e0 [ 171.754506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.754506][ T10] [ 171.756194][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 171.756480][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 171.756480][ T10] netdev_get_by_index+0x5e/0x80 [ 171.756480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.756480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.756480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.756480][ T10] ipv6_add_addr+0x411/0x2000 [ 171.756480][ T10] inet6_addr_add+0x30e/0xa40 [ 171.756480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.756480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.756480][ T10] netlink_rcv_skb+0x130/0x360 [ 171.756480][ T10] netlink_unicast+0x449/0x710 [ 171.756480][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.756480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.756480][ T10] ___sys_sendmsg+0xee/0x170 [ 171.756480][ T10] __sys_sendmsg+0xcd/0x170 [ 171.756480][ T10] do_syscall_64+0xc6/0x1e0 [ 171.756480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.756480][ T10] [ 171.758465][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 171.758465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.758465][ T10] ipv6_find_idev+0x102/0x170 [ 171.758465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.758465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.758465][ T10] netlink_rcv_skb+0x130/0x360 [ 171.758465][ T10] netlink_unicast+0x449/0x710 [ 171.758465][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.758465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.758465][ T10] ___sys_sendmsg+0xee/0x170 [ 171.758465][ T10] __sys_sendmsg+0xcd/0x170 [ 171.758465][ T10] do_syscall_64+0xc6/0x1e0 [ 171.758465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.758465][ T10] [ 171.759987][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 171.759987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.759987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.759987][ T10] ipv6_find_idev+0x102/0x170 [ 171.759987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.759987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.759987][ T10] netlink_rcv_skb+0x130/0x360 [ 171.759987][ T10] netlink_unicast+0x449/0x710 [ 171.759987][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.759987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.759987][ T10] ___sys_sendmsg+0xee/0x170 [ 171.759987][ T10] __sys_sendmsg+0xcd/0x170 [ 171.759987][ T10] do_syscall_64+0xc6/0x1e0 [ 171.759987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.759987][ T10] [ 171.761654][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 171.761973][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 171.761973][ T10] netdev_get_by_index+0x5e/0x80 [ 171.761973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.761973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.761973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.761973][ T10] ipv6_add_addr+0x411/0x2000 [ 171.761973][ T10] inet6_addr_add+0x30e/0xa40 [ 171.761973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.761973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.761973][ T10] netlink_rcv_skb+0x130/0x360 [ 171.761973][ T10] netlink_unicast+0x449/0x710 [ 171.761973][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.761973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.761973][ T10] ___sys_sendmsg+0xee/0x170 [ 171.761973][ T10] __sys_sendmsg+0xcd/0x170 [ 171.761973][ T10] do_syscall_64+0xc6/0x1e0 [ 171.761973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.761973][ T10] [ 171.763940][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 171.763940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.763940][ T10] ipv6_find_idev+0x102/0x170 [ 171.763940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.763940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.763940][ T10] netlink_rcv_skb+0x130/0x360 [ 171.763940][ T10] netlink_unicast+0x449/0x710 [ 171.763940][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.763940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.763940][ T10] ___sys_sendmsg+0xee/0x170 [ 171.763940][ T10] __sys_sendmsg+0xcd/0x170 [ 171.763940][ T10] do_syscall_64+0xc6/0x1e0 [ 171.763940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.763940][ T10] [ 171.765572][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 171.765572][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.765572][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.765572][ T10] ipv6_find_idev+0x102/0x170 [ 171.765572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.765572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.765572][ T10] netlink_rcv_skb+0x130/0x360 [ 171.765572][ T10] netlink_unicast+0x449/0x710 [ 171.765572][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.765572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.765572][ T10] ___sys_sendmsg+0xee/0x170 [ 171.765572][ T10] __sys_sendmsg+0xcd/0x170 [ 171.765572][ T10] do_syscall_64+0xc6/0x1e0 [ 171.765572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.765572][ T10] [ 171.767242][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 171.767499][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 171.767499][ T10] netdev_get_by_index+0x5e/0x80 [ 171.767499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.767499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.767499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.767499][ T10] ipv6_add_addr+0x411/0x2000 [ 171.767499][ T10] inet6_addr_add+0x30e/0xa40 [ 171.767499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.767499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.767499][ T10] netlink_rcv_skb+0x130/0x360 [ 171.767499][ T10] netlink_unicast+0x449/0x710 [ 171.767499][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.767499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.767499][ T10] ___sys_sendmsg+0xee/0x170 [ 171.767499][ T10] __sys_sendmsg+0xcd/0x170 [ 171.767499][ T10] do_syscall_64+0xc6/0x1e0 [ 171.767499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.767499][ T10] [ 171.769469][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 171.769469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.769469][ T10] ipv6_find_idev+0x102/0x170 [ 171.769469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.769469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.769469][ T10] netlink_rcv_skb+0x130/0x360 [ 171.769469][ T10] netlink_unicast+0x449/0x710 [ 171.769469][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.769469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.769469][ T10] ___sys_sendmsg+0xee/0x170 [ 171.769469][ T10] __sys_sendmsg+0xcd/0x170 [ 171.769469][ T10] do_syscall_64+0xc6/0x1e0 [ 171.769469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.769469][ T10] [ 171.770997][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 171.770997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.770997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.770997][ T10] ipv6_find_idev+0x102/0x170 [ 171.770997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.770997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.770997][ T10] netlink_rcv_skb+0x130/0x360 [ 171.770997][ T10] netlink_unicast+0x449/0x710 [ 171.770997][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.770997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.770997][ T10] ___sys_sendmsg+0xee/0x170 [ 171.770997][ T10] __sys_sendmsg+0xcd/0x170 [ 171.770997][ T10] do_syscall_64+0xc6/0x1e0 [ 171.770997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.770997][ T10] [ 171.772653][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 171.773344][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 171.773344][ T10] netdev_get_by_index+0x5e/0x80 [ 171.773344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.773344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.773344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.773344][ T10] ipv6_add_addr+0x411/0x2000 [ 171.773344][ T10] inet6_addr_add+0x30e/0xa40 [ 171.773344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.773344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.773344][ T10] netlink_rcv_skb+0x130/0x360 [ 171.773344][ T10] netlink_unicast+0x449/0x710 [ 171.773344][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.773344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.773344][ T10] ___sys_sendmsg+0xee/0x170 [ 171.773344][ T10] __sys_sendmsg+0xcd/0x170 [ 171.773344][ T10] do_syscall_64+0xc6/0x1e0 [ 171.773344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.773344][ T10] [ 171.775304][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 171.775304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.775304][ T10] ipv6_find_idev+0x102/0x170 [ 171.775304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.775304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.775304][ T10] netlink_rcv_skb+0x130/0x360 [ 171.775304][ T10] netlink_unicast+0x449/0x710 [ 171.775304][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.775304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.775304][ T10] ___sys_sendmsg+0xee/0x170 [ 171.775304][ T10] __sys_sendmsg+0xcd/0x170 [ 171.775304][ T10] do_syscall_64+0xc6/0x1e0 [ 171.775304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.775304][ T10] [ 171.776818][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 171.776818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.776818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.776818][ T10] ipv6_find_idev+0x102/0x170 [ 171.776818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.776818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.776818][ T10] netlink_rcv_skb+0x130/0x360 [ 171.776818][ T10] netlink_unicast+0x449/0x710 [ 171.776818][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.776818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.776818][ T10] ___sys_sendmsg+0xee/0x170 [ 171.776818][ T10] __sys_sendmsg+0xcd/0x170 [ 171.776818][ T10] do_syscall_64+0xc6/0x1e0 [ 171.776818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.776818][ T10] [ 171.778523][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 171.778784][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 171.778784][ T10] netdev_get_by_index+0x5e/0x80 [ 171.778784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.778784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.778784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.778784][ T10] ipv6_add_addr+0x411/0x2000 [ 171.778784][ T10] inet6_addr_add+0x30e/0xa40 [ 171.778784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.778784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.778784][ T10] netlink_rcv_skb+0x130/0x360 [ 171.778784][ T10] netlink_unicast+0x449/0x710 [ 171.778784][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.778784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.778784][ T10] ___sys_sendmsg+0xee/0x170 [ 171.778784][ T10] __sys_sendmsg+0xcd/0x170 [ 171.778784][ T10] do_syscall_64+0xc6/0x1e0 [ 171.778784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.778784][ T10] [ 171.780875][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 171.780875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.780875][ T10] ipv6_find_idev+0x102/0x170 [ 171.780875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.780875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.780875][ T10] netlink_rcv_skb+0x130/0x360 [ 171.780875][ T10] netlink_unicast+0x449/0x710 [ 171.780875][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.780875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.780875][ T10] ___sys_sendmsg+0xee/0x170 [ 171.780875][ T10] __sys_sendmsg+0xcd/0x170 [ 171.780875][ T10] do_syscall_64+0xc6/0x1e0 [ 171.780875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.780875][ T10] [ 171.782645][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 171.782645][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.782645][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.782645][ T10] ipv6_find_idev+0x102/0x170 [ 171.782645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.782645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.782645][ T10] netlink_rcv_skb+0x130/0x360 [ 171.782645][ T10] netlink_unicast+0x449/0x710 [ 171.782645][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.782645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.782645][ T10] ___sys_sendmsg+0xee/0x170 [ 171.782645][ T10] __sys_sendmsg+0xcd/0x170 [ 171.782645][ T10] do_syscall_64+0xc6/0x1e0 [ 171.782645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.782645][ T10] [ 171.784588][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 171.784908][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 171.784908][ T10] netdev_get_by_index+0x5e/0x80 [ 171.784908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.784908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.784908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.784908][ T10] ipv6_add_addr+0x411/0x2000 [ 171.784908][ T10] inet6_addr_add+0x30e/0xa40 [ 171.784908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.784908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.784908][ T10] netlink_rcv_skb+0x130/0x360 [ 171.784908][ T10] netlink_unicast+0x449/0x710 [ 171.784908][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.784908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.784908][ T10] ___sys_sendmsg+0xee/0x170 [ 171.784908][ T10] __sys_sendmsg+0xcd/0x170 [ 171.784908][ T10] do_syscall_64+0xc6/0x1e0 [ 171.784908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.784908][ T10] [ 171.787053][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 171.787053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.787053][ T10] ipv6_find_idev+0x102/0x170 [ 171.787053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.787053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.787053][ T10] netlink_rcv_skb+0x130/0x360 [ 171.787053][ T10] netlink_unicast+0x449/0x710 [ 171.787053][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.787053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.787053][ T10] ___sys_sendmsg+0xee/0x170 [ 171.787053][ T10] __sys_sendmsg+0xcd/0x170 [ 171.787053][ T10] do_syscall_64+0xc6/0x1e0 [ 171.787053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.787053][ T10] [ 171.788689][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 171.788689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.788689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.788689][ T10] ipv6_find_idev+0x102/0x170 [ 171.788689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.788689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.788689][ T10] netlink_rcv_skb+0x130/0x360 [ 171.788689][ T10] netlink_unicast+0x449/0x710 [ 171.788689][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.788689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.788689][ T10] ___sys_sendmsg+0xee/0x170 [ 171.788689][ T10] __sys_sendmsg+0xcd/0x170 [ 171.788689][ T10] do_syscall_64+0xc6/0x1e0 [ 171.788689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.788689][ T10] [ 171.790628][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 171.790941][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 171.790941][ T10] netdev_get_by_index+0x5e/0x80 [ 171.790941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 171.790941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 171.790941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 171.790941][ T10] ipv6_add_addr+0x411/0x2000 [ 171.790941][ T10] inet6_addr_add+0x30e/0xa40 [ 171.790941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 171.790941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.790941][ T10] netlink_rcv_skb+0x130/0x360 [ 171.790941][ T10] netlink_unicast+0x449/0x710 [ 171.790941][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.790941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.790941][ T10] ___sys_sendmsg+0xee/0x170 [ 171.790941][ T10] __sys_sendmsg+0xcd/0x170 [ 171.790941][ T10] do_syscall_64+0xc6/0x1e0 [ 171.790941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.790941][ T10] [ 171.793154][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 171.793154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 171.793154][ T10] ipv6_find_idev+0x102/0x170 [ 171.793154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.793154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.793154][ T10] netlink_rcv_skb+0x130/0x360 [ 171.793154][ T10] netlink_unicast+0x449/0x710 [ 171.793154][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.793154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.793154][ T10] ___sys_sendmsg+0xee/0x170 [ 171.793154][ T10] __sys_sendmsg+0xcd/0x170 [ 171.793154][ T10] do_syscall_64+0xc6/0x1e0 [ 171.793154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.793154][ T10] [ 171.794852][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 171.794852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 171.794852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 171.794852][ T10] ipv6_find_idev+0x102/0x170 [ 171.794852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 171.794852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 171.794852][ T10] netlink_rcv_skb+0x130/0x360 [ 171.794852][ T10] netlink_unicast+0x449/0x710 [ 171.794852][ T10] netlink_sendmsg+0x723/0xbe0 [ 171.794852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 171.794852][ T10] ___sys_sendmsg+0xee/0x170 [ 171.794852][ T10] __sys_sendmsg+0xcd/0x170 [ 171.794852][ T10] do_syscall_64+0xc6/0x1e0 [ 171.794852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 171.794852][ T10] [ 182.037918][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 182.038368][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 182.038368][ T10] netdev_get_by_index+0x5e/0x80 [ 182.038368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.038368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.038368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.038368][ T10] ipv6_add_addr+0x411/0x2000 [ 182.038368][ T10] inet6_addr_add+0x30e/0xa40 [ 182.038368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.038368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.038368][ T10] netlink_rcv_skb+0x130/0x360 [ 182.038368][ T10] netlink_unicast+0x449/0x710 [ 182.038368][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.038368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.038368][ T10] ___sys_sendmsg+0xee/0x170 [ 182.038368][ T10] __sys_sendmsg+0xcd/0x170 [ 182.038368][ T10] do_syscall_64+0xc6/0x1e0 [ 182.038368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.038368][ T10] [ 182.040384][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 182.040384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.040384][ T10] ipv6_find_idev+0x102/0x170 [ 182.040384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.040384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.040384][ T10] netlink_rcv_skb+0x130/0x360 [ 182.040384][ T10] netlink_unicast+0x449/0x710 [ 182.040384][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.040384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.040384][ T10] ___sys_sendmsg+0xee/0x170 [ 182.040384][ T10] __sys_sendmsg+0xcd/0x170 [ 182.040384][ T10] do_syscall_64+0xc6/0x1e0 [ 182.040384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.040384][ T10] [ 182.041939][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 182.041939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.041939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.041939][ T10] ipv6_find_idev+0x102/0x170 [ 182.041939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.041939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.041939][ T10] netlink_rcv_skb+0x130/0x360 [ 182.041939][ T10] netlink_unicast+0x449/0x710 [ 182.041939][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.041939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.041939][ T10] ___sys_sendmsg+0xee/0x170 [ 182.041939][ T10] __sys_sendmsg+0xcd/0x170 [ 182.041939][ T10] do_syscall_64+0xc6/0x1e0 [ 182.041939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.041939][ T10] [ 182.043613][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 182.043897][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 182.043897][ T10] netdev_get_by_index+0x5e/0x80 [ 182.043897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.043897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.043897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.043897][ T10] ipv6_add_addr+0x411/0x2000 [ 182.043897][ T10] inet6_addr_add+0x30e/0xa40 [ 182.043897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.043897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.043897][ T10] netlink_rcv_skb+0x130/0x360 [ 182.043897][ T10] netlink_unicast+0x449/0x710 [ 182.043897][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.043897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.043897][ T10] ___sys_sendmsg+0xee/0x170 [ 182.043897][ T10] __sys_sendmsg+0xcd/0x170 [ 182.043897][ T10] do_syscall_64+0xc6/0x1e0 [ 182.043897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.043897][ T10] [ 182.045885][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 182.045885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.045885][ T10] ipv6_find_idev+0x102/0x170 [ 182.045885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.045885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.045885][ T10] netlink_rcv_skb+0x130/0x360 [ 182.045885][ T10] netlink_unicast+0x449/0x710 [ 182.045885][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.045885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.045885][ T10] ___sys_sendmsg+0xee/0x170 [ 182.045885][ T10] __sys_sendmsg+0xcd/0x170 [ 182.045885][ T10] do_syscall_64+0xc6/0x1e0 [ 182.045885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.045885][ T10] [ 182.047404][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 182.047404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.047404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.047404][ T10] ipv6_find_idev+0x102/0x170 [ 182.047404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.047404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.047404][ T10] netlink_rcv_skb+0x130/0x360 [ 182.047404][ T10] netlink_unicast+0x449/0x710 [ 182.047404][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.047404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.047404][ T10] ___sys_sendmsg+0xee/0x170 [ 182.047404][ T10] __sys_sendmsg+0xcd/0x170 [ 182.047404][ T10] do_syscall_64+0xc6/0x1e0 [ 182.047404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.047404][ T10] [ 182.049062][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 182.049328][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 182.049328][ T10] netdev_get_by_index+0x5e/0x80 [ 182.049328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.049328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.049328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.049328][ T10] ipv6_add_addr+0x411/0x2000 [ 182.049328][ T10] inet6_addr_add+0x30e/0xa40 [ 182.049328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.049328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.049328][ T10] netlink_rcv_skb+0x130/0x360 [ 182.049328][ T10] netlink_unicast+0x449/0x710 [ 182.049328][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.049328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.049328][ T10] ___sys_sendmsg+0xee/0x170 [ 182.049328][ T10] __sys_sendmsg+0xcd/0x170 [ 182.049328][ T10] do_syscall_64+0xc6/0x1e0 [ 182.049328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.049328][ T10] [ 182.051307][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 182.051307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.051307][ T10] ipv6_find_idev+0x102/0x170 [ 182.051307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.051307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.051307][ T10] netlink_rcv_skb+0x130/0x360 [ 182.051307][ T10] netlink_unicast+0x449/0x710 [ 182.051307][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.051307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.051307][ T10] ___sys_sendmsg+0xee/0x170 [ 182.051307][ T10] __sys_sendmsg+0xcd/0x170 [ 182.051307][ T10] do_syscall_64+0xc6/0x1e0 [ 182.051307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.051307][ T10] [ 182.052824][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 182.052824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.052824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.052824][ T10] ipv6_find_idev+0x102/0x170 [ 182.052824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.052824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.052824][ T10] netlink_rcv_skb+0x130/0x360 [ 182.052824][ T10] netlink_unicast+0x449/0x710 [ 182.052824][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.052824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.052824][ T10] ___sys_sendmsg+0xee/0x170 [ 182.052824][ T10] __sys_sendmsg+0xcd/0x170 [ 182.052824][ T10] do_syscall_64+0xc6/0x1e0 [ 182.052824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.052824][ T10] [ 182.054495][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 182.054758][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 182.054758][ T10] netdev_get_by_index+0x5e/0x80 [ 182.054758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.054758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.054758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.054758][ T10] ipv6_add_addr+0x411/0x2000 [ 182.054758][ T10] inet6_addr_add+0x30e/0xa40 [ 182.054758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.054758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.054758][ T10] netlink_rcv_skb+0x130/0x360 [ 182.054758][ T10] netlink_unicast+0x449/0x710 [ 182.054758][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.054758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.054758][ T10] ___sys_sendmsg+0xee/0x170 [ 182.054758][ T10] __sys_sendmsg+0xcd/0x170 [ 182.054758][ T10] do_syscall_64+0xc6/0x1e0 [ 182.054758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.054758][ T10] [ 182.056726][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 182.056726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.056726][ T10] ipv6_find_idev+0x102/0x170 [ 182.056726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.056726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.056726][ T10] netlink_rcv_skb+0x130/0x360 [ 182.056726][ T10] netlink_unicast+0x449/0x710 [ 182.056726][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.056726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.056726][ T10] ___sys_sendmsg+0xee/0x170 [ 182.056726][ T10] __sys_sendmsg+0xcd/0x170 [ 182.056726][ T10] do_syscall_64+0xc6/0x1e0 [ 182.056726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.056726][ T10] [ 182.058241][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 182.058241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.058241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.058241][ T10] ipv6_find_idev+0x102/0x170 [ 182.058241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.058241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.058241][ T10] netlink_rcv_skb+0x130/0x360 [ 182.058241][ T10] netlink_unicast+0x449/0x710 [ 182.058241][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.058241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.058241][ T10] ___sys_sendmsg+0xee/0x170 [ 182.058241][ T10] __sys_sendmsg+0xcd/0x170 [ 182.058241][ T10] do_syscall_64+0xc6/0x1e0 [ 182.058241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.058241][ T10] [ 182.059947][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 182.060206][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 182.060206][ T10] netdev_get_by_index+0x5e/0x80 [ 182.060206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.060206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.060206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.060206][ T10] ipv6_add_addr+0x411/0x2000 [ 182.060206][ T10] inet6_addr_add+0x30e/0xa40 [ 182.060206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.060206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.060206][ T10] netlink_rcv_skb+0x130/0x360 [ 182.060206][ T10] netlink_unicast+0x449/0x710 [ 182.060206][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.060206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.060206][ T10] ___sys_sendmsg+0xee/0x170 [ 182.060206][ T10] __sys_sendmsg+0xcd/0x170 [ 182.060206][ T10] do_syscall_64+0xc6/0x1e0 [ 182.060206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.060206][ T10] [ 182.062183][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 182.062183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.062183][ T10] ipv6_find_idev+0x102/0x170 [ 182.062183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.062183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.062183][ T10] netlink_rcv_skb+0x130/0x360 [ 182.062183][ T10] netlink_unicast+0x449/0x710 [ 182.062183][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.062183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.062183][ T10] ___sys_sendmsg+0xee/0x170 [ 182.062183][ T10] __sys_sendmsg+0xcd/0x170 [ 182.062183][ T10] do_syscall_64+0xc6/0x1e0 [ 182.062183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.062183][ T10] [ 182.063769][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 182.063769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.063769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.063769][ T10] ipv6_find_idev+0x102/0x170 [ 182.063769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.063769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.063769][ T10] netlink_rcv_skb+0x130/0x360 [ 182.063769][ T10] netlink_unicast+0x449/0x710 [ 182.063769][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.063769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.063769][ T10] ___sys_sendmsg+0xee/0x170 [ 182.063769][ T10] __sys_sendmsg+0xcd/0x170 [ 182.063769][ T10] do_syscall_64+0xc6/0x1e0 [ 182.063769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.063769][ T10] [ 182.065589][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 182.065903][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 182.065903][ T10] netdev_get_by_index+0x5e/0x80 [ 182.065903][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.065903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.065903][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.065903][ T10] ipv6_add_addr+0x411/0x2000 [ 182.065903][ T10] inet6_addr_add+0x30e/0xa40 [ 182.065903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.065903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.065903][ T10] netlink_rcv_skb+0x130/0x360 [ 182.065903][ T10] netlink_unicast+0x449/0x710 [ 182.065903][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.065903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.065903][ T10] ___sys_sendmsg+0xee/0x170 [ 182.065903][ T10] __sys_sendmsg+0xcd/0x170 [ 182.065903][ T10] do_syscall_64+0xc6/0x1e0 [ 182.065903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.065903][ T10] [ 182.067996][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 182.067996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.067996][ T10] ipv6_find_idev+0x102/0x170 [ 182.067996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.067996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.067996][ T10] netlink_rcv_skb+0x130/0x360 [ 182.067996][ T10] netlink_unicast+0x449/0x710 [ 182.067996][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.067996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.067996][ T10] ___sys_sendmsg+0xee/0x170 [ 182.067996][ T10] __sys_sendmsg+0xcd/0x170 [ 182.067996][ T10] do_syscall_64+0xc6/0x1e0 [ 182.067996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.067996][ T10] [ 182.069693][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 182.069693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.069693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.069693][ T10] ipv6_find_idev+0x102/0x170 [ 182.069693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.069693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.069693][ T10] netlink_rcv_skb+0x130/0x360 [ 182.069693][ T10] netlink_unicast+0x449/0x710 [ 182.069693][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.069693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.069693][ T10] ___sys_sendmsg+0xee/0x170 [ 182.069693][ T10] __sys_sendmsg+0xcd/0x170 [ 182.069693][ T10] do_syscall_64+0xc6/0x1e0 [ 182.069693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.069693][ T10] [ 182.071655][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 182.071964][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 182.071964][ T10] netdev_get_by_index+0x5e/0x80 [ 182.071964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.071964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.071964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.071964][ T10] ipv6_add_addr+0x411/0x2000 [ 182.071964][ T10] inet6_addr_add+0x30e/0xa40 [ 182.071964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.071964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.071964][ T10] netlink_rcv_skb+0x130/0x360 [ 182.071964][ T10] netlink_unicast+0x449/0x710 [ 182.071964][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.071964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.071964][ T10] ___sys_sendmsg+0xee/0x170 [ 182.071964][ T10] __sys_sendmsg+0xcd/0x170 [ 182.071964][ T10] do_syscall_64+0xc6/0x1e0 [ 182.071964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.071964][ T10] [ 182.074120][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 182.074120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.074120][ T10] ipv6_find_idev+0x102/0x170 [ 182.074120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.074120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.074120][ T10] netlink_rcv_skb+0x130/0x360 [ 182.074120][ T10] netlink_unicast+0x449/0x710 [ 182.074120][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.074120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.074120][ T10] ___sys_sendmsg+0xee/0x170 [ 182.074120][ T10] __sys_sendmsg+0xcd/0x170 [ 182.074120][ T10] do_syscall_64+0xc6/0x1e0 [ 182.074120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.074120][ T10] [ 182.075874][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 182.075874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.075874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.075874][ T10] ipv6_find_idev+0x102/0x170 [ 182.075874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.075874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.075874][ T10] netlink_rcv_skb+0x130/0x360 [ 182.075874][ T10] netlink_unicast+0x449/0x710 [ 182.075874][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.075874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.075874][ T10] ___sys_sendmsg+0xee/0x170 [ 182.075874][ T10] __sys_sendmsg+0xcd/0x170 [ 182.075874][ T10] do_syscall_64+0xc6/0x1e0 [ 182.075874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.075874][ T10] [ 182.077750][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 182.078061][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 182.078061][ T10] netdev_get_by_index+0x5e/0x80 [ 182.078061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 182.078061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 182.078061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 182.078061][ T10] ipv6_add_addr+0x411/0x2000 [ 182.078061][ T10] inet6_addr_add+0x30e/0xa40 [ 182.078061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 182.078061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.078061][ T10] netlink_rcv_skb+0x130/0x360 [ 182.078061][ T10] netlink_unicast+0x449/0x710 [ 182.078061][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.078061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.078061][ T10] ___sys_sendmsg+0xee/0x170 [ 182.078061][ T10] __sys_sendmsg+0xcd/0x170 [ 182.078061][ T10] do_syscall_64+0xc6/0x1e0 [ 182.078061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.078061][ T10] [ 182.080211][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 182.080211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 182.080211][ T10] ipv6_find_idev+0x102/0x170 [ 182.080211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.080211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.080211][ T10] netlink_rcv_skb+0x130/0x360 [ 182.080211][ T10] netlink_unicast+0x449/0x710 [ 182.080211][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.080211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.080211][ T10] ___sys_sendmsg+0xee/0x170 [ 182.080211][ T10] __sys_sendmsg+0xcd/0x170 [ 182.080211][ T10] do_syscall_64+0xc6/0x1e0 [ 182.080211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.080211][ T10] [ 182.081915][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 182.081915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 182.081915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 182.081915][ T10] ipv6_find_idev+0x102/0x170 [ 182.081915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 182.081915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 182.081915][ T10] netlink_rcv_skb+0x130/0x360 [ 182.081915][ T10] netlink_unicast+0x449/0x710 [ 182.081915][ T10] netlink_sendmsg+0x723/0xbe0 [ 182.081915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 182.081915][ T10] ___sys_sendmsg+0xee/0x170 [ 182.081915][ T10] __sys_sendmsg+0xcd/0x170 [ 182.081915][ T10] do_syscall_64+0xc6/0x1e0 [ 182.081915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 182.081915][ T10] [ 192.325908][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 192.326360][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 192.326360][ T10] netdev_get_by_index+0x5e/0x80 [ 192.326360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.326360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.326360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.326360][ T10] ipv6_add_addr+0x411/0x2000 [ 192.326360][ T10] inet6_addr_add+0x30e/0xa40 [ 192.326360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.326360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.326360][ T10] netlink_rcv_skb+0x130/0x360 [ 192.326360][ T10] netlink_unicast+0x449/0x710 [ 192.326360][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.326360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.326360][ T10] ___sys_sendmsg+0xee/0x170 [ 192.326360][ T10] __sys_sendmsg+0xcd/0x170 [ 192.326360][ T10] do_syscall_64+0xc6/0x1e0 [ 192.326360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.326360][ T10] [ 192.328437][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 192.328437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.328437][ T10] ipv6_find_idev+0x102/0x170 [ 192.328437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.328437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.328437][ T10] netlink_rcv_skb+0x130/0x360 [ 192.328437][ T10] netlink_unicast+0x449/0x710 [ 192.328437][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.328437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.328437][ T10] ___sys_sendmsg+0xee/0x170 [ 192.328437][ T10] __sys_sendmsg+0xcd/0x170 [ 192.328437][ T10] do_syscall_64+0xc6/0x1e0 [ 192.328437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.328437][ T10] [ 192.329962][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 192.329962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.329962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.329962][ T10] ipv6_find_idev+0x102/0x170 [ 192.329962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.329962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.329962][ T10] netlink_rcv_skb+0x130/0x360 [ 192.329962][ T10] netlink_unicast+0x449/0x710 [ 192.329962][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.329962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.329962][ T10] ___sys_sendmsg+0xee/0x170 [ 192.329962][ T10] __sys_sendmsg+0xcd/0x170 [ 192.329962][ T10] do_syscall_64+0xc6/0x1e0 [ 192.329962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.329962][ T10] [ 192.331698][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 192.331992][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 192.331992][ T10] netdev_get_by_index+0x5e/0x80 [ 192.331992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.331992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.331992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.331992][ T10] ipv6_add_addr+0x411/0x2000 [ 192.331992][ T10] inet6_addr_add+0x30e/0xa40 [ 192.331992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.331992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.331992][ T10] netlink_rcv_skb+0x130/0x360 [ 192.331992][ T10] netlink_unicast+0x449/0x710 [ 192.331992][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.331992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.331992][ T10] ___sys_sendmsg+0xee/0x170 [ 192.331992][ T10] __sys_sendmsg+0xcd/0x170 [ 192.331992][ T10] do_syscall_64+0xc6/0x1e0 [ 192.331992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.331992][ T10] [ 192.333967][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 192.333967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.333967][ T10] ipv6_find_idev+0x102/0x170 [ 192.333967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.333967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.333967][ T10] netlink_rcv_skb+0x130/0x360 [ 192.333967][ T10] netlink_unicast+0x449/0x710 [ 192.333967][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.333967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.333967][ T10] ___sys_sendmsg+0xee/0x170 [ 192.333967][ T10] __sys_sendmsg+0xcd/0x170 [ 192.333967][ T10] do_syscall_64+0xc6/0x1e0 [ 192.333967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.333967][ T10] [ 192.335494][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 192.335494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.335494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.335494][ T10] ipv6_find_idev+0x102/0x170 [ 192.335494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.335494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.335494][ T10] netlink_rcv_skb+0x130/0x360 [ 192.335494][ T10] netlink_unicast+0x449/0x710 [ 192.335494][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.335494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.335494][ T10] ___sys_sendmsg+0xee/0x170 [ 192.335494][ T10] __sys_sendmsg+0xcd/0x170 [ 192.335494][ T10] do_syscall_64+0xc6/0x1e0 [ 192.335494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.335494][ T10] [ 192.337163][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 192.337442][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 192.337442][ T10] netdev_get_by_index+0x5e/0x80 [ 192.337442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.337442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.337442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.337442][ T10] ipv6_add_addr+0x411/0x2000 [ 192.337442][ T10] inet6_addr_add+0x30e/0xa40 [ 192.337442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.337442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.337442][ T10] netlink_rcv_skb+0x130/0x360 [ 192.337442][ T10] netlink_unicast+0x449/0x710 [ 192.337442][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.337442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.337442][ T10] ___sys_sendmsg+0xee/0x170 [ 192.337442][ T10] __sys_sendmsg+0xcd/0x170 [ 192.337442][ T10] do_syscall_64+0xc6/0x1e0 [ 192.337442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.337442][ T10] [ 192.339411][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 192.339411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.339411][ T10] ipv6_find_idev+0x102/0x170 [ 192.339411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.339411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.339411][ T10] netlink_rcv_skb+0x130/0x360 [ 192.339411][ T10] netlink_unicast+0x449/0x710 [ 192.339411][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.339411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.339411][ T10] ___sys_sendmsg+0xee/0x170 [ 192.339411][ T10] __sys_sendmsg+0xcd/0x170 [ 192.339411][ T10] do_syscall_64+0xc6/0x1e0 [ 192.339411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.339411][ T10] [ 192.340943][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 192.340943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.340943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.340943][ T10] ipv6_find_idev+0x102/0x170 [ 192.340943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.340943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.340943][ T10] netlink_rcv_skb+0x130/0x360 [ 192.340943][ T10] netlink_unicast+0x449/0x710 [ 192.340943][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.340943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.340943][ T10] ___sys_sendmsg+0xee/0x170 [ 192.340943][ T10] __sys_sendmsg+0xcd/0x170 [ 192.340943][ T10] do_syscall_64+0xc6/0x1e0 [ 192.340943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.340943][ T10] [ 192.342601][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 192.343295][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 192.343295][ T10] netdev_get_by_index+0x5e/0x80 [ 192.343295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.343295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.343295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.343295][ T10] ipv6_add_addr+0x411/0x2000 [ 192.343295][ T10] inet6_addr_add+0x30e/0xa40 [ 192.343295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.343295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.343295][ T10] netlink_rcv_skb+0x130/0x360 [ 192.343295][ T10] netlink_unicast+0x449/0x710 [ 192.343295][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.343295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.343295][ T10] ___sys_sendmsg+0xee/0x170 [ 192.343295][ T10] __sys_sendmsg+0xcd/0x170 [ 192.343295][ T10] do_syscall_64+0xc6/0x1e0 [ 192.343295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.343295][ T10] [ 192.345260][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 192.345260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.345260][ T10] ipv6_find_idev+0x102/0x170 [ 192.345260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.345260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.345260][ T10] netlink_rcv_skb+0x130/0x360 [ 192.345260][ T10] netlink_unicast+0x449/0x710 [ 192.345260][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.345260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.345260][ T10] ___sys_sendmsg+0xee/0x170 [ 192.345260][ T10] __sys_sendmsg+0xcd/0x170 [ 192.345260][ T10] do_syscall_64+0xc6/0x1e0 [ 192.345260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.345260][ T10] [ 192.346776][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 192.346776][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.346776][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.346776][ T10] ipv6_find_idev+0x102/0x170 [ 192.346776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.346776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.346776][ T10] netlink_rcv_skb+0x130/0x360 [ 192.346776][ T10] netlink_unicast+0x449/0x710 [ 192.346776][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.346776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.346776][ T10] ___sys_sendmsg+0xee/0x170 [ 192.346776][ T10] __sys_sendmsg+0xcd/0x170 [ 192.346776][ T10] do_syscall_64+0xc6/0x1e0 [ 192.346776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.346776][ T10] [ 192.348477][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 192.348741][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 192.348741][ T10] netdev_get_by_index+0x5e/0x80 [ 192.348741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.348741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.348741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.348741][ T10] ipv6_add_addr+0x411/0x2000 [ 192.348741][ T10] inet6_addr_add+0x30e/0xa40 [ 192.348741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.348741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.348741][ T10] netlink_rcv_skb+0x130/0x360 [ 192.348741][ T10] netlink_unicast+0x449/0x710 [ 192.348741][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.348741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.348741][ T10] ___sys_sendmsg+0xee/0x170 [ 192.348741][ T10] __sys_sendmsg+0xcd/0x170 [ 192.348741][ T10] do_syscall_64+0xc6/0x1e0 [ 192.348741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.348741][ T10] [ 192.350711][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 192.350711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.350711][ T10] ipv6_find_idev+0x102/0x170 [ 192.350711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.350711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.350711][ T10] netlink_rcv_skb+0x130/0x360 [ 192.350711][ T10] netlink_unicast+0x449/0x710 [ 192.350711][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.350711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.350711][ T10] ___sys_sendmsg+0xee/0x170 [ 192.350711][ T10] __sys_sendmsg+0xcd/0x170 [ 192.350711][ T10] do_syscall_64+0xc6/0x1e0 [ 192.350711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.350711][ T10] [ 192.352233][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 192.352233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.352233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.352233][ T10] ipv6_find_idev+0x102/0x170 [ 192.352233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.352233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.352233][ T10] netlink_rcv_skb+0x130/0x360 [ 192.352233][ T10] netlink_unicast+0x449/0x710 [ 192.352233][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.352233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.352233][ T10] ___sys_sendmsg+0xee/0x170 [ 192.352233][ T10] __sys_sendmsg+0xcd/0x170 [ 192.352233][ T10] do_syscall_64+0xc6/0x1e0 [ 192.352233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.352233][ T10] [ 192.353927][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 192.354186][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 192.354186][ T10] netdev_get_by_index+0x5e/0x80 [ 192.354186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.354186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.354186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.354186][ T10] ipv6_add_addr+0x411/0x2000 [ 192.354186][ T10] inet6_addr_add+0x30e/0xa40 [ 192.354186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.354186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.354186][ T10] netlink_rcv_skb+0x130/0x360 [ 192.354186][ T10] netlink_unicast+0x449/0x710 [ 192.354186][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.354186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.354186][ T10] ___sys_sendmsg+0xee/0x170 [ 192.354186][ T10] __sys_sendmsg+0xcd/0x170 [ 192.354186][ T10] do_syscall_64+0xc6/0x1e0 [ 192.354186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.354186][ T10] [ 192.356212][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 192.356212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.356212][ T10] ipv6_find_idev+0x102/0x170 [ 192.356212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.356212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.356212][ T10] netlink_rcv_skb+0x130/0x360 [ 192.356212][ T10] netlink_unicast+0x449/0x710 [ 192.356212][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.356212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.356212][ T10] ___sys_sendmsg+0xee/0x170 [ 192.356212][ T10] __sys_sendmsg+0xcd/0x170 [ 192.356212][ T10] do_syscall_64+0xc6/0x1e0 [ 192.356212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.356212][ T10] [ 192.357970][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 192.357970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.357970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.357970][ T10] ipv6_find_idev+0x102/0x170 [ 192.357970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.357970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.357970][ T10] netlink_rcv_skb+0x130/0x360 [ 192.357970][ T10] netlink_unicast+0x449/0x710 [ 192.357970][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.357970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.357970][ T10] ___sys_sendmsg+0xee/0x170 [ 192.357970][ T10] __sys_sendmsg+0xcd/0x170 [ 192.357970][ T10] do_syscall_64+0xc6/0x1e0 [ 192.357970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.357970][ T10] [ 192.359846][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 192.360108][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 192.360108][ T10] netdev_get_by_index+0x5e/0x80 [ 192.360108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.360108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.360108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.360108][ T10] ipv6_add_addr+0x411/0x2000 [ 192.360108][ T10] inet6_addr_add+0x30e/0xa40 [ 192.360108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.360108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.360108][ T10] netlink_rcv_skb+0x130/0x360 [ 192.360108][ T10] netlink_unicast+0x449/0x710 [ 192.360108][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.360108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.360108][ T10] ___sys_sendmsg+0xee/0x170 [ 192.360108][ T10] __sys_sendmsg+0xcd/0x170 [ 192.360108][ T10] do_syscall_64+0xc6/0x1e0 [ 192.360108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.360108][ T10] [ 192.362329][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 192.362329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.362329][ T10] ipv6_find_idev+0x102/0x170 [ 192.362329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.362329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.362329][ T10] netlink_rcv_skb+0x130/0x360 [ 192.362329][ T10] netlink_unicast+0x449/0x710 [ 192.362329][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.362329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.362329][ T10] ___sys_sendmsg+0xee/0x170 [ 192.362329][ T10] __sys_sendmsg+0xcd/0x170 [ 192.362329][ T10] do_syscall_64+0xc6/0x1e0 [ 192.362329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.362329][ T10] [ 192.364022][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 192.364022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.364022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.364022][ T10] ipv6_find_idev+0x102/0x170 [ 192.364022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.364022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.364022][ T10] netlink_rcv_skb+0x130/0x360 [ 192.364022][ T10] netlink_unicast+0x449/0x710 [ 192.364022][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.364022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.364022][ T10] ___sys_sendmsg+0xee/0x170 [ 192.364022][ T10] __sys_sendmsg+0xcd/0x170 [ 192.364022][ T10] do_syscall_64+0xc6/0x1e0 [ 192.364022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.364022][ T10] [ 192.365894][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 192.366208][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 192.366208][ T10] netdev_get_by_index+0x5e/0x80 [ 192.366208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 192.366208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 192.366208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 192.366208][ T10] ipv6_add_addr+0x411/0x2000 [ 192.366208][ T10] inet6_addr_add+0x30e/0xa40 [ 192.366208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 192.366208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.366208][ T10] netlink_rcv_skb+0x130/0x360 [ 192.366208][ T10] netlink_unicast+0x449/0x710 [ 192.366208][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.366208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.366208][ T10] ___sys_sendmsg+0xee/0x170 [ 192.366208][ T10] __sys_sendmsg+0xcd/0x170 [ 192.366208][ T10] do_syscall_64+0xc6/0x1e0 [ 192.366208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.366208][ T10] [ 192.368410][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 192.368410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 192.368410][ T10] ipv6_find_idev+0x102/0x170 [ 192.368410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.368410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.368410][ T10] netlink_rcv_skb+0x130/0x360 [ 192.368410][ T10] netlink_unicast+0x449/0x710 [ 192.368410][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.368410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.368410][ T10] ___sys_sendmsg+0xee/0x170 [ 192.368410][ T10] __sys_sendmsg+0xcd/0x170 [ 192.368410][ T10] do_syscall_64+0xc6/0x1e0 [ 192.368410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.368410][ T10] [ 192.370105][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 192.370105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 192.370105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 192.370105][ T10] ipv6_find_idev+0x102/0x170 [ 192.370105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 192.370105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 192.370105][ T10] netlink_rcv_skb+0x130/0x360 [ 192.370105][ T10] netlink_unicast+0x449/0x710 [ 192.370105][ T10] netlink_sendmsg+0x723/0xbe0 [ 192.370105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 192.370105][ T10] ___sys_sendmsg+0xee/0x170 [ 192.370105][ T10] __sys_sendmsg+0xcd/0x170 [ 192.370105][ T10] do_syscall_64+0xc6/0x1e0 [ 192.370105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 192.370105][ T10] [ 202.613918][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 202.614360][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 202.614360][ T10] netdev_get_by_index+0x5e/0x80 [ 202.614360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.614360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.614360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.614360][ T10] ipv6_add_addr+0x411/0x2000 [ 202.614360][ T10] inet6_addr_add+0x30e/0xa40 [ 202.614360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.614360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.614360][ T10] netlink_rcv_skb+0x130/0x360 [ 202.614360][ T10] netlink_unicast+0x449/0x710 [ 202.614360][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.614360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.614360][ T10] ___sys_sendmsg+0xee/0x170 [ 202.614360][ T10] __sys_sendmsg+0xcd/0x170 [ 202.614360][ T10] do_syscall_64+0xc6/0x1e0 [ 202.614360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.614360][ T10] [ 202.616362][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 202.616362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.616362][ T10] ipv6_find_idev+0x102/0x170 [ 202.616362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.616362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.616362][ T10] netlink_rcv_skb+0x130/0x360 [ 202.616362][ T10] netlink_unicast+0x449/0x710 [ 202.616362][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.616362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.616362][ T10] ___sys_sendmsg+0xee/0x170 [ 202.616362][ T10] __sys_sendmsg+0xcd/0x170 [ 202.616362][ T10] do_syscall_64+0xc6/0x1e0 [ 202.616362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.616362][ T10] [ 202.617883][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 202.617883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.617883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.617883][ T10] ipv6_find_idev+0x102/0x170 [ 202.617883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.617883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.617883][ T10] netlink_rcv_skb+0x130/0x360 [ 202.617883][ T10] netlink_unicast+0x449/0x710 [ 202.617883][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.617883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.617883][ T10] ___sys_sendmsg+0xee/0x170 [ 202.617883][ T10] __sys_sendmsg+0xcd/0x170 [ 202.617883][ T10] do_syscall_64+0xc6/0x1e0 [ 202.617883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.617883][ T10] [ 202.619552][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 202.619844][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 202.619844][ T10] netdev_get_by_index+0x5e/0x80 [ 202.619844][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.619844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.619844][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.619844][ T10] ipv6_add_addr+0x411/0x2000 [ 202.619844][ T10] inet6_addr_add+0x30e/0xa40 [ 202.619844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.619844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.619844][ T10] netlink_rcv_skb+0x130/0x360 [ 202.619844][ T10] netlink_unicast+0x449/0x710 [ 202.619844][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.619844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.619844][ T10] ___sys_sendmsg+0xee/0x170 [ 202.619844][ T10] __sys_sendmsg+0xcd/0x170 [ 202.619844][ T10] do_syscall_64+0xc6/0x1e0 [ 202.619844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.619844][ T10] [ 202.621848][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 202.621848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.621848][ T10] ipv6_find_idev+0x102/0x170 [ 202.621848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.621848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.621848][ T10] netlink_rcv_skb+0x130/0x360 [ 202.621848][ T10] netlink_unicast+0x449/0x710 [ 202.621848][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.621848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.621848][ T10] ___sys_sendmsg+0xee/0x170 [ 202.621848][ T10] __sys_sendmsg+0xcd/0x170 [ 202.621848][ T10] do_syscall_64+0xc6/0x1e0 [ 202.621848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.621848][ T10] [ 202.623365][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 202.623365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.623365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.623365][ T10] ipv6_find_idev+0x102/0x170 [ 202.623365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.623365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.623365][ T10] netlink_rcv_skb+0x130/0x360 [ 202.623365][ T10] netlink_unicast+0x449/0x710 [ 202.623365][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.623365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.623365][ T10] ___sys_sendmsg+0xee/0x170 [ 202.623365][ T10] __sys_sendmsg+0xcd/0x170 [ 202.623365][ T10] do_syscall_64+0xc6/0x1e0 [ 202.623365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.623365][ T10] [ 202.625027][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 202.625291][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 202.625291][ T10] netdev_get_by_index+0x5e/0x80 [ 202.625291][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.625291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.625291][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.625291][ T10] ipv6_add_addr+0x411/0x2000 [ 202.625291][ T10] inet6_addr_add+0x30e/0xa40 [ 202.625291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.625291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.625291][ T10] netlink_rcv_skb+0x130/0x360 [ 202.625291][ T10] netlink_unicast+0x449/0x710 [ 202.625291][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.625291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.625291][ T10] ___sys_sendmsg+0xee/0x170 [ 202.625291][ T10] __sys_sendmsg+0xcd/0x170 [ 202.625291][ T10] do_syscall_64+0xc6/0x1e0 [ 202.625291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.625291][ T10] [ 202.627254][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 202.627254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.627254][ T10] ipv6_find_idev+0x102/0x170 [ 202.627254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.627254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.627254][ T10] netlink_rcv_skb+0x130/0x360 [ 202.627254][ T10] netlink_unicast+0x449/0x710 [ 202.627254][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.627254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.627254][ T10] ___sys_sendmsg+0xee/0x170 [ 202.627254][ T10] __sys_sendmsg+0xcd/0x170 [ 202.627254][ T10] do_syscall_64+0xc6/0x1e0 [ 202.627254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.627254][ T10] [ 202.628769][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 202.628769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.628769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.628769][ T10] ipv6_find_idev+0x102/0x170 [ 202.628769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.628769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.628769][ T10] netlink_rcv_skb+0x130/0x360 [ 202.628769][ T10] netlink_unicast+0x449/0x710 [ 202.628769][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.628769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.628769][ T10] ___sys_sendmsg+0xee/0x170 [ 202.628769][ T10] __sys_sendmsg+0xcd/0x170 [ 202.628769][ T10] do_syscall_64+0xc6/0x1e0 [ 202.628769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.628769][ T10] [ 202.630418][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 202.630678][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 202.630678][ T10] netdev_get_by_index+0x5e/0x80 [ 202.630678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.630678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.630678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.630678][ T10] ipv6_add_addr+0x411/0x2000 [ 202.630678][ T10] inet6_addr_add+0x30e/0xa40 [ 202.630678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.630678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.630678][ T10] netlink_rcv_skb+0x130/0x360 [ 202.630678][ T10] netlink_unicast+0x449/0x710 [ 202.630678][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.630678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.630678][ T10] ___sys_sendmsg+0xee/0x170 [ 202.630678][ T10] __sys_sendmsg+0xcd/0x170 [ 202.630678][ T10] do_syscall_64+0xc6/0x1e0 [ 202.630678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.630678][ T10] [ 202.632662][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 202.632662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.632662][ T10] ipv6_find_idev+0x102/0x170 [ 202.632662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.632662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.632662][ T10] netlink_rcv_skb+0x130/0x360 [ 202.632662][ T10] netlink_unicast+0x449/0x710 [ 202.632662][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.632662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.632662][ T10] ___sys_sendmsg+0xee/0x170 [ 202.632662][ T10] __sys_sendmsg+0xcd/0x170 [ 202.632662][ T10] do_syscall_64+0xc6/0x1e0 [ 202.632662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.632662][ T10] [ 202.634269][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 202.634269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.634269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.634269][ T10] ipv6_find_idev+0x102/0x170 [ 202.634269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.634269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.634269][ T10] netlink_rcv_skb+0x130/0x360 [ 202.634269][ T10] netlink_unicast+0x449/0x710 [ 202.634269][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.634269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.634269][ T10] ___sys_sendmsg+0xee/0x170 [ 202.634269][ T10] __sys_sendmsg+0xcd/0x170 [ 202.634269][ T10] do_syscall_64+0xc6/0x1e0 [ 202.634269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.634269][ T10] [ 202.636327][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 202.636593][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 202.636593][ T10] netdev_get_by_index+0x5e/0x80 [ 202.636593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.636593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.636593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.636593][ T10] ipv6_add_addr+0x411/0x2000 [ 202.636593][ T10] inet6_addr_add+0x30e/0xa40 [ 202.636593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.636593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.636593][ T10] netlink_rcv_skb+0x130/0x360 [ 202.636593][ T10] netlink_unicast+0x449/0x710 [ 202.636593][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.636593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.636593][ T10] ___sys_sendmsg+0xee/0x170 [ 202.636593][ T10] __sys_sendmsg+0xcd/0x170 [ 202.636593][ T10] do_syscall_64+0xc6/0x1e0 [ 202.636593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.636593][ T10] [ 202.638553][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 202.638553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.638553][ T10] ipv6_find_idev+0x102/0x170 [ 202.638553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.638553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.638553][ T10] netlink_rcv_skb+0x130/0x360 [ 202.638553][ T10] netlink_unicast+0x449/0x710 [ 202.638553][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.638553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.638553][ T10] ___sys_sendmsg+0xee/0x170 [ 202.638553][ T10] __sys_sendmsg+0xcd/0x170 [ 202.638553][ T10] do_syscall_64+0xc6/0x1e0 [ 202.638553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.638553][ T10] [ 202.640067][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 202.640067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.640067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.640067][ T10] ipv6_find_idev+0x102/0x170 [ 202.640067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.640067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.640067][ T10] netlink_rcv_skb+0x130/0x360 [ 202.640067][ T10] netlink_unicast+0x449/0x710 [ 202.640067][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.640067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.640067][ T10] ___sys_sendmsg+0xee/0x170 [ 202.640067][ T10] __sys_sendmsg+0xcd/0x170 [ 202.640067][ T10] do_syscall_64+0xc6/0x1e0 [ 202.640067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.640067][ T10] [ 202.641787][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 202.642052][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 202.642052][ T10] netdev_get_by_index+0x5e/0x80 [ 202.642052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.642052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.642052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.642052][ T10] ipv6_add_addr+0x411/0x2000 [ 202.642052][ T10] inet6_addr_add+0x30e/0xa40 [ 202.642052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.642052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.642052][ T10] netlink_rcv_skb+0x130/0x360 [ 202.642052][ T10] netlink_unicast+0x449/0x710 [ 202.642052][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.642052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.642052][ T10] ___sys_sendmsg+0xee/0x170 [ 202.642052][ T10] __sys_sendmsg+0xcd/0x170 [ 202.642052][ T10] do_syscall_64+0xc6/0x1e0 [ 202.642052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.642052][ T10] [ 202.644207][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 202.644207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.644207][ T10] ipv6_find_idev+0x102/0x170 [ 202.644207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.644207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.644207][ T10] netlink_rcv_skb+0x130/0x360 [ 202.644207][ T10] netlink_unicast+0x449/0x710 [ 202.644207][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.644207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.644207][ T10] ___sys_sendmsg+0xee/0x170 [ 202.644207][ T10] __sys_sendmsg+0xcd/0x170 [ 202.644207][ T10] do_syscall_64+0xc6/0x1e0 [ 202.644207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.644207][ T10] [ 202.645907][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 202.645907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.645907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.645907][ T10] ipv6_find_idev+0x102/0x170 [ 202.645907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.645907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.645907][ T10] netlink_rcv_skb+0x130/0x360 [ 202.645907][ T10] netlink_unicast+0x449/0x710 [ 202.645907][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.645907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.645907][ T10] ___sys_sendmsg+0xee/0x170 [ 202.645907][ T10] __sys_sendmsg+0xcd/0x170 [ 202.645907][ T10] do_syscall_64+0xc6/0x1e0 [ 202.645907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.645907][ T10] [ 202.647846][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 202.648108][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 202.648108][ T10] netdev_get_by_index+0x5e/0x80 [ 202.648108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.648108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.648108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.648108][ T10] ipv6_add_addr+0x411/0x2000 [ 202.648108][ T10] inet6_addr_add+0x30e/0xa40 [ 202.648108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.648108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.648108][ T10] netlink_rcv_skb+0x130/0x360 [ 202.648108][ T10] netlink_unicast+0x449/0x710 [ 202.648108][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.648108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.648108][ T10] ___sys_sendmsg+0xee/0x170 [ 202.648108][ T10] __sys_sendmsg+0xcd/0x170 [ 202.648108][ T10] do_syscall_64+0xc6/0x1e0 [ 202.648108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.648108][ T10] [ 202.650257][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 202.650257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.650257][ T10] ipv6_find_idev+0x102/0x170 [ 202.650257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.650257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.650257][ T10] netlink_rcv_skb+0x130/0x360 [ 202.650257][ T10] netlink_unicast+0x449/0x710 [ 202.650257][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.650257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.650257][ T10] ___sys_sendmsg+0xee/0x170 [ 202.650257][ T10] __sys_sendmsg+0xcd/0x170 [ 202.650257][ T10] do_syscall_64+0xc6/0x1e0 [ 202.650257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.650257][ T10] [ 202.651966][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 202.651966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.651966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.651966][ T10] ipv6_find_idev+0x102/0x170 [ 202.651966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.651966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.651966][ T10] netlink_rcv_skb+0x130/0x360 [ 202.651966][ T10] netlink_unicast+0x449/0x710 [ 202.651966][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.651966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.651966][ T10] ___sys_sendmsg+0xee/0x170 [ 202.651966][ T10] __sys_sendmsg+0xcd/0x170 [ 202.651966][ T10] do_syscall_64+0xc6/0x1e0 [ 202.651966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.651966][ T10] [ 202.653904][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 202.654163][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 202.654163][ T10] netdev_get_by_index+0x5e/0x80 [ 202.654163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 202.654163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 202.654163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 202.654163][ T10] ipv6_add_addr+0x411/0x2000 [ 202.654163][ T10] inet6_addr_add+0x30e/0xa40 [ 202.654163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 202.654163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.654163][ T10] netlink_rcv_skb+0x130/0x360 [ 202.654163][ T10] netlink_unicast+0x449/0x710 [ 202.654163][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.654163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.654163][ T10] ___sys_sendmsg+0xee/0x170 [ 202.654163][ T10] __sys_sendmsg+0xcd/0x170 [ 202.654163][ T10] do_syscall_64+0xc6/0x1e0 [ 202.654163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.654163][ T10] [ 202.656373][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 202.656373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 202.656373][ T10] ipv6_find_idev+0x102/0x170 [ 202.656373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.656373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.656373][ T10] netlink_rcv_skb+0x130/0x360 [ 202.656373][ T10] netlink_unicast+0x449/0x710 [ 202.656373][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.656373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.656373][ T10] ___sys_sendmsg+0xee/0x170 [ 202.656373][ T10] __sys_sendmsg+0xcd/0x170 [ 202.656373][ T10] do_syscall_64+0xc6/0x1e0 [ 202.656373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.656373][ T10] [ 202.658070][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 202.658070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 202.658070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 202.658070][ T10] ipv6_find_idev+0x102/0x170 [ 202.658070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 202.658070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 202.658070][ T10] netlink_rcv_skb+0x130/0x360 [ 202.658070][ T10] netlink_unicast+0x449/0x710 [ 202.658070][ T10] netlink_sendmsg+0x723/0xbe0 [ 202.658070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 202.658070][ T10] ___sys_sendmsg+0xee/0x170 [ 202.658070][ T10] __sys_sendmsg+0xcd/0x170 [ 202.658070][ T10] do_syscall_64+0xc6/0x1e0 [ 202.658070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 202.658070][ T10] [ 212.861957][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 212.862450][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 212.862450][ T10] netdev_get_by_index+0x5e/0x80 [ 212.862450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.862450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.862450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.862450][ T10] ipv6_add_addr+0x411/0x2000 [ 212.862450][ T10] inet6_addr_add+0x30e/0xa40 [ 212.862450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.862450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.862450][ T10] netlink_rcv_skb+0x130/0x360 [ 212.862450][ T10] netlink_unicast+0x449/0x710 [ 212.862450][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.862450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.862450][ T10] ___sys_sendmsg+0xee/0x170 [ 212.862450][ T10] __sys_sendmsg+0xcd/0x170 [ 212.862450][ T10] do_syscall_64+0xc6/0x1e0 [ 212.862450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.862450][ T10] [ 212.864467][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 212.864467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.864467][ T10] ipv6_find_idev+0x102/0x170 [ 212.864467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.864467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.864467][ T10] netlink_rcv_skb+0x130/0x360 [ 212.864467][ T10] netlink_unicast+0x449/0x710 [ 212.864467][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.864467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.864467][ T10] ___sys_sendmsg+0xee/0x170 [ 212.864467][ T10] __sys_sendmsg+0xcd/0x170 [ 212.864467][ T10] do_syscall_64+0xc6/0x1e0 [ 212.864467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.864467][ T10] [ 212.865992][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 212.865992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.865992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.865992][ T10] ipv6_find_idev+0x102/0x170 [ 212.865992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.865992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.865992][ T10] netlink_rcv_skb+0x130/0x360 [ 212.865992][ T10] netlink_unicast+0x449/0x710 [ 212.865992][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.865992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.865992][ T10] ___sys_sendmsg+0xee/0x170 [ 212.865992][ T10] __sys_sendmsg+0xcd/0x170 [ 212.865992][ T10] do_syscall_64+0xc6/0x1e0 [ 212.865992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.865992][ T10] [ 212.867653][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 212.867954][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 212.867954][ T10] netdev_get_by_index+0x5e/0x80 [ 212.867954][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.867954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.867954][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.867954][ T10] ipv6_add_addr+0x411/0x2000 [ 212.867954][ T10] inet6_addr_add+0x30e/0xa40 [ 212.867954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.867954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.867954][ T10] netlink_rcv_skb+0x130/0x360 [ 212.867954][ T10] netlink_unicast+0x449/0x710 [ 212.867954][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.867954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.867954][ T10] ___sys_sendmsg+0xee/0x170 [ 212.867954][ T10] __sys_sendmsg+0xcd/0x170 [ 212.867954][ T10] do_syscall_64+0xc6/0x1e0 [ 212.867954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.867954][ T10] [ 212.869919][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 212.869919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.869919][ T10] ipv6_find_idev+0x102/0x170 [ 212.869919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.869919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.869919][ T10] netlink_rcv_skb+0x130/0x360 [ 212.869919][ T10] netlink_unicast+0x449/0x710 [ 212.869919][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.869919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.869919][ T10] ___sys_sendmsg+0xee/0x170 [ 212.869919][ T10] __sys_sendmsg+0xcd/0x170 [ 212.869919][ T10] do_syscall_64+0xc6/0x1e0 [ 212.869919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.869919][ T10] [ 212.871470][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 212.871470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.871470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.871470][ T10] ipv6_find_idev+0x102/0x170 [ 212.871470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.871470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.871470][ T10] netlink_rcv_skb+0x130/0x360 [ 212.871470][ T10] netlink_unicast+0x449/0x710 [ 212.871470][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.871470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.871470][ T10] ___sys_sendmsg+0xee/0x170 [ 212.871470][ T10] __sys_sendmsg+0xcd/0x170 [ 212.871470][ T10] do_syscall_64+0xc6/0x1e0 [ 212.871470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.871470][ T10] [ 212.873142][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 212.873429][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 212.873429][ T10] netdev_get_by_index+0x5e/0x80 [ 212.873429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.873429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.873429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.873429][ T10] ipv6_add_addr+0x411/0x2000 [ 212.873429][ T10] inet6_addr_add+0x30e/0xa40 [ 212.873429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.873429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.873429][ T10] netlink_rcv_skb+0x130/0x360 [ 212.873429][ T10] netlink_unicast+0x449/0x710 [ 212.873429][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.873429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.873429][ T10] ___sys_sendmsg+0xee/0x170 [ 212.873429][ T10] __sys_sendmsg+0xcd/0x170 [ 212.873429][ T10] do_syscall_64+0xc6/0x1e0 [ 212.873429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.873429][ T10] [ 212.875387][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 212.875387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.875387][ T10] ipv6_find_idev+0x102/0x170 [ 212.875387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.875387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.875387][ T10] netlink_rcv_skb+0x130/0x360 [ 212.875387][ T10] netlink_unicast+0x449/0x710 [ 212.875387][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.875387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.875387][ T10] ___sys_sendmsg+0xee/0x170 [ 212.875387][ T10] __sys_sendmsg+0xcd/0x170 [ 212.875387][ T10] do_syscall_64+0xc6/0x1e0 [ 212.875387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.875387][ T10] [ 212.876890][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 212.876890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.876890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.876890][ T10] ipv6_find_idev+0x102/0x170 [ 212.876890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.876890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.876890][ T10] netlink_rcv_skb+0x130/0x360 [ 212.876890][ T10] netlink_unicast+0x449/0x710 [ 212.876890][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.876890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.876890][ T10] ___sys_sendmsg+0xee/0x170 [ 212.876890][ T10] __sys_sendmsg+0xcd/0x170 [ 212.876890][ T10] do_syscall_64+0xc6/0x1e0 [ 212.876890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.876890][ T10] [ 212.878545][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 212.878806][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 212.878806][ T10] netdev_get_by_index+0x5e/0x80 [ 212.878806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.878806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.878806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.878806][ T10] ipv6_add_addr+0x411/0x2000 [ 212.878806][ T10] inet6_addr_add+0x30e/0xa40 [ 212.878806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.878806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.878806][ T10] netlink_rcv_skb+0x130/0x360 [ 212.878806][ T10] netlink_unicast+0x449/0x710 [ 212.878806][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.878806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.878806][ T10] ___sys_sendmsg+0xee/0x170 [ 212.878806][ T10] __sys_sendmsg+0xcd/0x170 [ 212.878806][ T10] do_syscall_64+0xc6/0x1e0 [ 212.878806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.878806][ T10] [ 212.880757][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 212.880757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.880757][ T10] ipv6_find_idev+0x102/0x170 [ 212.880757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.880757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.880757][ T10] netlink_rcv_skb+0x130/0x360 [ 212.880757][ T10] netlink_unicast+0x449/0x710 [ 212.880757][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.880757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.880757][ T10] ___sys_sendmsg+0xee/0x170 [ 212.880757][ T10] __sys_sendmsg+0xcd/0x170 [ 212.880757][ T10] do_syscall_64+0xc6/0x1e0 [ 212.880757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.880757][ T10] [ 212.882299][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 212.882299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.882299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.882299][ T10] ipv6_find_idev+0x102/0x170 [ 212.882299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.882299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.882299][ T10] netlink_rcv_skb+0x130/0x360 [ 212.882299][ T10] netlink_unicast+0x449/0x710 [ 212.882299][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.882299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.882299][ T10] ___sys_sendmsg+0xee/0x170 [ 212.882299][ T10] __sys_sendmsg+0xcd/0x170 [ 212.882299][ T10] do_syscall_64+0xc6/0x1e0 [ 212.882299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.882299][ T10] [ 212.884358][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 212.884628][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 212.884628][ T10] netdev_get_by_index+0x5e/0x80 [ 212.884628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.884628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.884628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.884628][ T10] ipv6_add_addr+0x411/0x2000 [ 212.884628][ T10] inet6_addr_add+0x30e/0xa40 [ 212.884628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.884628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.884628][ T10] netlink_rcv_skb+0x130/0x360 [ 212.884628][ T10] netlink_unicast+0x449/0x710 [ 212.884628][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.884628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.884628][ T10] ___sys_sendmsg+0xee/0x170 [ 212.884628][ T10] __sys_sendmsg+0xcd/0x170 [ 212.884628][ T10] do_syscall_64+0xc6/0x1e0 [ 212.884628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.884628][ T10] [ 212.886608][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 212.886608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.886608][ T10] ipv6_find_idev+0x102/0x170 [ 212.886608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.886608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.886608][ T10] netlink_rcv_skb+0x130/0x360 [ 212.886608][ T10] netlink_unicast+0x449/0x710 [ 212.886608][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.886608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.886608][ T10] ___sys_sendmsg+0xee/0x170 [ 212.886608][ T10] __sys_sendmsg+0xcd/0x170 [ 212.886608][ T10] do_syscall_64+0xc6/0x1e0 [ 212.886608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.886608][ T10] [ 212.888100][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 212.888100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.888100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.888100][ T10] ipv6_find_idev+0x102/0x170 [ 212.888100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.888100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.888100][ T10] netlink_rcv_skb+0x130/0x360 [ 212.888100][ T10] netlink_unicast+0x449/0x710 [ 212.888100][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.888100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.888100][ T10] ___sys_sendmsg+0xee/0x170 [ 212.888100][ T10] __sys_sendmsg+0xcd/0x170 [ 212.888100][ T10] do_syscall_64+0xc6/0x1e0 [ 212.888100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.888100][ T10] [ 212.889762][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 212.890078][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 212.890078][ T10] netdev_get_by_index+0x5e/0x80 [ 212.890078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.890078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.890078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.890078][ T10] ipv6_add_addr+0x411/0x2000 [ 212.890078][ T10] inet6_addr_add+0x30e/0xa40 [ 212.890078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.890078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.890078][ T10] netlink_rcv_skb+0x130/0x360 [ 212.890078][ T10] netlink_unicast+0x449/0x710 [ 212.890078][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.890078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.890078][ T10] ___sys_sendmsg+0xee/0x170 [ 212.890078][ T10] __sys_sendmsg+0xcd/0x170 [ 212.890078][ T10] do_syscall_64+0xc6/0x1e0 [ 212.890078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.890078][ T10] [ 212.892197][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 212.892197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.892197][ T10] ipv6_find_idev+0x102/0x170 [ 212.892197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.892197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.892197][ T10] netlink_rcv_skb+0x130/0x360 [ 212.892197][ T10] netlink_unicast+0x449/0x710 [ 212.892197][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.892197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.892197][ T10] ___sys_sendmsg+0xee/0x170 [ 212.892197][ T10] __sys_sendmsg+0xcd/0x170 [ 212.892197][ T10] do_syscall_64+0xc6/0x1e0 [ 212.892197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.892197][ T10] [ 212.893956][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 212.893956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.893956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.893956][ T10] ipv6_find_idev+0x102/0x170 [ 212.893956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.893956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.893956][ T10] netlink_rcv_skb+0x130/0x360 [ 212.893956][ T10] netlink_unicast+0x449/0x710 [ 212.893956][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.893956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.893956][ T10] ___sys_sendmsg+0xee/0x170 [ 212.893956][ T10] __sys_sendmsg+0xcd/0x170 [ 212.893956][ T10] do_syscall_64+0xc6/0x1e0 [ 212.893956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.893956][ T10] [ 212.895818][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 212.896083][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 212.896083][ T10] netdev_get_by_index+0x5e/0x80 [ 212.896083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.896083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.896083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.896083][ T10] ipv6_add_addr+0x411/0x2000 [ 212.896083][ T10] inet6_addr_add+0x30e/0xa40 [ 212.896083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.896083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.896083][ T10] netlink_rcv_skb+0x130/0x360 [ 212.896083][ T10] netlink_unicast+0x449/0x710 [ 212.896083][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.896083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.896083][ T10] ___sys_sendmsg+0xee/0x170 [ 212.896083][ T10] __sys_sendmsg+0xcd/0x170 [ 212.896083][ T10] do_syscall_64+0xc6/0x1e0 [ 212.896083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.896083][ T10] [ 212.898265][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 212.898265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.898265][ T10] ipv6_find_idev+0x102/0x170 [ 212.898265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.898265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.898265][ T10] netlink_rcv_skb+0x130/0x360 [ 212.898265][ T10] netlink_unicast+0x449/0x710 [ 212.898265][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.898265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.898265][ T10] ___sys_sendmsg+0xee/0x170 [ 212.898265][ T10] __sys_sendmsg+0xcd/0x170 [ 212.898265][ T10] do_syscall_64+0xc6/0x1e0 [ 212.898265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.898265][ T10] [ 212.899915][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 212.899915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.899915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.899915][ T10] ipv6_find_idev+0x102/0x170 [ 212.899915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.899915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.899915][ T10] netlink_rcv_skb+0x130/0x360 [ 212.899915][ T10] netlink_unicast+0x449/0x710 [ 212.899915][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.899915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.899915][ T10] ___sys_sendmsg+0xee/0x170 [ 212.899915][ T10] __sys_sendmsg+0xcd/0x170 [ 212.899915][ T10] do_syscall_64+0xc6/0x1e0 [ 212.899915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.899915][ T10] [ 212.901758][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 212.902078][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 212.902078][ T10] netdev_get_by_index+0x5e/0x80 [ 212.902078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 212.902078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 212.902078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 212.902078][ T10] ipv6_add_addr+0x411/0x2000 [ 212.902078][ T10] inet6_addr_add+0x30e/0xa40 [ 212.902078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 212.902078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.902078][ T10] netlink_rcv_skb+0x130/0x360 [ 212.902078][ T10] netlink_unicast+0x449/0x710 [ 212.902078][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.902078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.902078][ T10] ___sys_sendmsg+0xee/0x170 [ 212.902078][ T10] __sys_sendmsg+0xcd/0x170 [ 212.902078][ T10] do_syscall_64+0xc6/0x1e0 [ 212.902078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.902078][ T10] [ 212.904243][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 212.904243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 212.904243][ T10] ipv6_find_idev+0x102/0x170 [ 212.904243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.904243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.904243][ T10] netlink_rcv_skb+0x130/0x360 [ 212.904243][ T10] netlink_unicast+0x449/0x710 [ 212.904243][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.904243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.904243][ T10] ___sys_sendmsg+0xee/0x170 [ 212.904243][ T10] __sys_sendmsg+0xcd/0x170 [ 212.904243][ T10] do_syscall_64+0xc6/0x1e0 [ 212.904243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.904243][ T10] [ 212.905909][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 212.905909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 212.905909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 212.905909][ T10] ipv6_find_idev+0x102/0x170 [ 212.905909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 212.905909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 212.905909][ T10] netlink_rcv_skb+0x130/0x360 [ 212.905909][ T10] netlink_unicast+0x449/0x710 [ 212.905909][ T10] netlink_sendmsg+0x723/0xbe0 [ 212.905909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 212.905909][ T10] ___sys_sendmsg+0xee/0x170 [ 212.905909][ T10] __sys_sendmsg+0xcd/0x170 [ 212.905909][ T10] do_syscall_64+0xc6/0x1e0 [ 212.905909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 212.905909][ T10] [ 223.150039][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 223.151057][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 223.151057][ T10] netdev_get_by_index+0x5e/0x80 [ 223.151057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.151057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.151057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.151057][ T10] ipv6_add_addr+0x411/0x2000 [ 223.151057][ T10] inet6_addr_add+0x30e/0xa40 [ 223.151057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.151057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.151057][ T10] netlink_rcv_skb+0x130/0x360 [ 223.151057][ T10] netlink_unicast+0x449/0x710 [ 223.151057][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.151057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.151057][ T10] ___sys_sendmsg+0xee/0x170 [ 223.151057][ T10] __sys_sendmsg+0xcd/0x170 [ 223.151057][ T10] do_syscall_64+0xc6/0x1e0 [ 223.151057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.151057][ T10] [ 223.153099][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 223.153099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.153099][ T10] ipv6_find_idev+0x102/0x170 [ 223.153099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.153099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.153099][ T10] netlink_rcv_skb+0x130/0x360 [ 223.153099][ T10] netlink_unicast+0x449/0x710 [ 223.153099][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.153099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.153099][ T10] ___sys_sendmsg+0xee/0x170 [ 223.153099][ T10] __sys_sendmsg+0xcd/0x170 [ 223.153099][ T10] do_syscall_64+0xc6/0x1e0 [ 223.153099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.153099][ T10] [ 223.154591][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 223.154591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.154591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.154591][ T10] ipv6_find_idev+0x102/0x170 [ 223.154591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.154591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.154591][ T10] netlink_rcv_skb+0x130/0x360 [ 223.154591][ T10] netlink_unicast+0x449/0x710 [ 223.154591][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.154591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.154591][ T10] ___sys_sendmsg+0xee/0x170 [ 223.154591][ T10] __sys_sendmsg+0xcd/0x170 [ 223.154591][ T10] do_syscall_64+0xc6/0x1e0 [ 223.154591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.154591][ T10] [ 223.156226][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 223.156489][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 223.156489][ T10] netdev_get_by_index+0x5e/0x80 [ 223.156489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.156489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.156489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.156489][ T10] ipv6_add_addr+0x411/0x2000 [ 223.156489][ T10] inet6_addr_add+0x30e/0xa40 [ 223.156489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.156489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.156489][ T10] netlink_rcv_skb+0x130/0x360 [ 223.156489][ T10] netlink_unicast+0x449/0x710 [ 223.156489][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.156489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.156489][ T10] ___sys_sendmsg+0xee/0x170 [ 223.156489][ T10] __sys_sendmsg+0xcd/0x170 [ 223.156489][ T10] do_syscall_64+0xc6/0x1e0 [ 223.156489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.156489][ T10] [ 223.158415][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 223.158415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.158415][ T10] ipv6_find_idev+0x102/0x170 [ 223.158415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.158415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.158415][ T10] netlink_rcv_skb+0x130/0x360 [ 223.158415][ T10] netlink_unicast+0x449/0x710 [ 223.158415][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.158415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.158415][ T10] ___sys_sendmsg+0xee/0x170 [ 223.158415][ T10] __sys_sendmsg+0xcd/0x170 [ 223.158415][ T10] do_syscall_64+0xc6/0x1e0 [ 223.158415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.158415][ T10] [ 223.159974][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 223.159974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.159974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.159974][ T10] ipv6_find_idev+0x102/0x170 [ 223.159974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.159974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.159974][ T10] netlink_rcv_skb+0x130/0x360 [ 223.159974][ T10] netlink_unicast+0x449/0x710 [ 223.159974][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.159974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.159974][ T10] ___sys_sendmsg+0xee/0x170 [ 223.159974][ T10] __sys_sendmsg+0xcd/0x170 [ 223.159974][ T10] do_syscall_64+0xc6/0x1e0 [ 223.159974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.159974][ T10] [ 223.161644][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 223.161960][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 223.161960][ T10] netdev_get_by_index+0x5e/0x80 [ 223.161960][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.161960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.161960][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.161960][ T10] ipv6_add_addr+0x411/0x2000 [ 223.161960][ T10] inet6_addr_add+0x30e/0xa40 [ 223.161960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.161960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.161960][ T10] netlink_rcv_skb+0x130/0x360 [ 223.161960][ T10] netlink_unicast+0x449/0x710 [ 223.161960][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.161960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.161960][ T10] ___sys_sendmsg+0xee/0x170 [ 223.161960][ T10] __sys_sendmsg+0xcd/0x170 [ 223.161960][ T10] do_syscall_64+0xc6/0x1e0 [ 223.161960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.161960][ T10] [ 223.163956][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 223.163956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.163956][ T10] ipv6_find_idev+0x102/0x170 [ 223.163956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.163956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.163956][ T10] netlink_rcv_skb+0x130/0x360 [ 223.163956][ T10] netlink_unicast+0x449/0x710 [ 223.163956][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.163956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.163956][ T10] ___sys_sendmsg+0xee/0x170 [ 223.163956][ T10] __sys_sendmsg+0xcd/0x170 [ 223.163956][ T10] do_syscall_64+0xc6/0x1e0 [ 223.163956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.163956][ T10] [ 223.165504][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 223.165504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.165504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.165504][ T10] ipv6_find_idev+0x102/0x170 [ 223.165504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.165504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.165504][ T10] netlink_rcv_skb+0x130/0x360 [ 223.165504][ T10] netlink_unicast+0x449/0x710 [ 223.165504][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.165504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.165504][ T10] ___sys_sendmsg+0xee/0x170 [ 223.165504][ T10] __sys_sendmsg+0xcd/0x170 [ 223.165504][ T10] do_syscall_64+0xc6/0x1e0 [ 223.165504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.165504][ T10] [ 223.167195][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 223.167455][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 223.167455][ T10] netdev_get_by_index+0x5e/0x80 [ 223.167455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.167455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.167455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.167455][ T10] ipv6_add_addr+0x411/0x2000 [ 223.167455][ T10] inet6_addr_add+0x30e/0xa40 [ 223.167455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.167455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.167455][ T10] netlink_rcv_skb+0x130/0x360 [ 223.167455][ T10] netlink_unicast+0x449/0x710 [ 223.167455][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.167455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.167455][ T10] ___sys_sendmsg+0xee/0x170 [ 223.167455][ T10] __sys_sendmsg+0xcd/0x170 [ 223.167455][ T10] do_syscall_64+0xc6/0x1e0 [ 223.167455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.167455][ T10] [ 223.169425][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 223.169425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.169425][ T10] ipv6_find_idev+0x102/0x170 [ 223.169425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.169425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.169425][ T10] netlink_rcv_skb+0x130/0x360 [ 223.169425][ T10] netlink_unicast+0x449/0x710 [ 223.169425][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.169425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.169425][ T10] ___sys_sendmsg+0xee/0x170 [ 223.169425][ T10] __sys_sendmsg+0xcd/0x170 [ 223.169425][ T10] do_syscall_64+0xc6/0x1e0 [ 223.169425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.169425][ T10] [ 223.170933][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 223.170933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.170933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.170933][ T10] ipv6_find_idev+0x102/0x170 [ 223.170933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.170933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.170933][ T10] netlink_rcv_skb+0x130/0x360 [ 223.170933][ T10] netlink_unicast+0x449/0x710 [ 223.170933][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.170933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.170933][ T10] ___sys_sendmsg+0xee/0x170 [ 223.170933][ T10] __sys_sendmsg+0xcd/0x170 [ 223.170933][ T10] do_syscall_64+0xc6/0x1e0 [ 223.170933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.170933][ T10] [ 223.172594][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 223.173302][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 223.173302][ T10] netdev_get_by_index+0x5e/0x80 [ 223.173302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.173302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.173302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.173302][ T10] ipv6_add_addr+0x411/0x2000 [ 223.173302][ T10] inet6_addr_add+0x30e/0xa40 [ 223.173302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.173302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.173302][ T10] netlink_rcv_skb+0x130/0x360 [ 223.173302][ T10] netlink_unicast+0x449/0x710 [ 223.173302][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.173302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.173302][ T10] ___sys_sendmsg+0xee/0x170 [ 223.173302][ T10] __sys_sendmsg+0xcd/0x170 [ 223.173302][ T10] do_syscall_64+0xc6/0x1e0 [ 223.173302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.173302][ T10] [ 223.175229][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 223.175229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.175229][ T10] ipv6_find_idev+0x102/0x170 [ 223.175229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.175229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.175229][ T10] netlink_rcv_skb+0x130/0x360 [ 223.175229][ T10] netlink_unicast+0x449/0x710 [ 223.175229][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.175229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.175229][ T10] ___sys_sendmsg+0xee/0x170 [ 223.175229][ T10] __sys_sendmsg+0xcd/0x170 [ 223.175229][ T10] do_syscall_64+0xc6/0x1e0 [ 223.175229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.175229][ T10] [ 223.176762][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 223.176762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.176762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.176762][ T10] ipv6_find_idev+0x102/0x170 [ 223.176762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.176762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.176762][ T10] netlink_rcv_skb+0x130/0x360 [ 223.176762][ T10] netlink_unicast+0x449/0x710 [ 223.176762][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.176762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.176762][ T10] ___sys_sendmsg+0xee/0x170 [ 223.176762][ T10] __sys_sendmsg+0xcd/0x170 [ 223.176762][ T10] do_syscall_64+0xc6/0x1e0 [ 223.176762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.176762][ T10] [ 223.178447][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 223.178705][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 223.178705][ T10] netdev_get_by_index+0x5e/0x80 [ 223.178705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.178705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.178705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.178705][ T10] ipv6_add_addr+0x411/0x2000 [ 223.178705][ T10] inet6_addr_add+0x30e/0xa40 [ 223.178705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.178705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.178705][ T10] netlink_rcv_skb+0x130/0x360 [ 223.178705][ T10] netlink_unicast+0x449/0x710 [ 223.178705][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.178705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.178705][ T10] ___sys_sendmsg+0xee/0x170 [ 223.178705][ T10] __sys_sendmsg+0xcd/0x170 [ 223.178705][ T10] do_syscall_64+0xc6/0x1e0 [ 223.178705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.178705][ T10] [ 223.180812][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 223.180812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.180812][ T10] ipv6_find_idev+0x102/0x170 [ 223.180812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.180812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.180812][ T10] netlink_rcv_skb+0x130/0x360 [ 223.180812][ T10] netlink_unicast+0x449/0x710 [ 223.180812][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.180812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.180812][ T10] ___sys_sendmsg+0xee/0x170 [ 223.180812][ T10] __sys_sendmsg+0xcd/0x170 [ 223.180812][ T10] do_syscall_64+0xc6/0x1e0 [ 223.180812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.180812][ T10] [ 223.182509][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 223.182509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.182509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.182509][ T10] ipv6_find_idev+0x102/0x170 [ 223.182509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.182509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.182509][ T10] netlink_rcv_skb+0x130/0x360 [ 223.182509][ T10] netlink_unicast+0x449/0x710 [ 223.182509][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.182509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.182509][ T10] ___sys_sendmsg+0xee/0x170 [ 223.182509][ T10] __sys_sendmsg+0xcd/0x170 [ 223.182509][ T10] do_syscall_64+0xc6/0x1e0 [ 223.182509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.182509][ T10] [ 223.184480][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 223.184746][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 223.184746][ T10] netdev_get_by_index+0x5e/0x80 [ 223.184746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.184746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.184746][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.184746][ T10] ipv6_add_addr+0x411/0x2000 [ 223.184746][ T10] inet6_addr_add+0x30e/0xa40 [ 223.184746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.184746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.184746][ T10] netlink_rcv_skb+0x130/0x360 [ 223.184746][ T10] netlink_unicast+0x449/0x710 [ 223.184746][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.184746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.184746][ T10] ___sys_sendmsg+0xee/0x170 [ 223.184746][ T10] __sys_sendmsg+0xcd/0x170 [ 223.184746][ T10] do_syscall_64+0xc6/0x1e0 [ 223.184746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.184746][ T10] [ 223.186871][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 223.186871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.186871][ T10] ipv6_find_idev+0x102/0x170 [ 223.186871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.186871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.186871][ T10] netlink_rcv_skb+0x130/0x360 [ 223.186871][ T10] netlink_unicast+0x449/0x710 [ 223.186871][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.186871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.186871][ T10] ___sys_sendmsg+0xee/0x170 [ 223.186871][ T10] __sys_sendmsg+0xcd/0x170 [ 223.186871][ T10] do_syscall_64+0xc6/0x1e0 [ 223.186871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.186871][ T10] [ 223.188517][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 223.188517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.188517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.188517][ T10] ipv6_find_idev+0x102/0x170 [ 223.188517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.188517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.188517][ T10] netlink_rcv_skb+0x130/0x360 [ 223.188517][ T10] netlink_unicast+0x449/0x710 [ 223.188517][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.188517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.188517][ T10] ___sys_sendmsg+0xee/0x170 [ 223.188517][ T10] __sys_sendmsg+0xcd/0x170 [ 223.188517][ T10] do_syscall_64+0xc6/0x1e0 [ 223.188517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.188517][ T10] [ 223.190360][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 223.190618][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 223.190618][ T10] netdev_get_by_index+0x5e/0x80 [ 223.190618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 223.190618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 223.190618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 223.190618][ T10] ipv6_add_addr+0x411/0x2000 [ 223.190618][ T10] inet6_addr_add+0x30e/0xa40 [ 223.190618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 223.190618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.190618][ T10] netlink_rcv_skb+0x130/0x360 [ 223.190618][ T10] netlink_unicast+0x449/0x710 [ 223.190618][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.190618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.190618][ T10] ___sys_sendmsg+0xee/0x170 [ 223.190618][ T10] __sys_sendmsg+0xcd/0x170 [ 223.190618][ T10] do_syscall_64+0xc6/0x1e0 [ 223.190618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.190618][ T10] [ 223.192836][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 223.192836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 223.192836][ T10] ipv6_find_idev+0x102/0x170 [ 223.192836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.192836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.192836][ T10] netlink_rcv_skb+0x130/0x360 [ 223.192836][ T10] netlink_unicast+0x449/0x710 [ 223.192836][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.192836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.192836][ T10] ___sys_sendmsg+0xee/0x170 [ 223.192836][ T10] __sys_sendmsg+0xcd/0x170 [ 223.192836][ T10] do_syscall_64+0xc6/0x1e0 [ 223.192836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.192836][ T10] [ 223.194586][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 223.194586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 223.194586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 223.194586][ T10] ipv6_find_idev+0x102/0x170 [ 223.194586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 223.194586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 223.194586][ T10] netlink_rcv_skb+0x130/0x360 [ 223.194586][ T10] netlink_unicast+0x449/0x710 [ 223.194586][ T10] netlink_sendmsg+0x723/0xbe0 [ 223.194586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 223.194586][ T10] ___sys_sendmsg+0xee/0x170 [ 223.194586][ T10] __sys_sendmsg+0xcd/0x170 [ 223.194586][ T10] do_syscall_64+0xc6/0x1e0 [ 223.194586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 223.194586][ T10] [ 233.437918][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 233.438377][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 233.438377][ T10] netdev_get_by_index+0x5e/0x80 [ 233.438377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.438377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.438377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.438377][ T10] ipv6_add_addr+0x411/0x2000 [ 233.438377][ T10] inet6_addr_add+0x30e/0xa40 [ 233.438377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.438377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.438377][ T10] netlink_rcv_skb+0x130/0x360 [ 233.438377][ T10] netlink_unicast+0x449/0x710 [ 233.438377][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.438377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.438377][ T10] ___sys_sendmsg+0xee/0x170 [ 233.438377][ T10] __sys_sendmsg+0xcd/0x170 [ 233.438377][ T10] do_syscall_64+0xc6/0x1e0 [ 233.438377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.438377][ T10] [ 233.440378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 233.440378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.440378][ T10] ipv6_find_idev+0x102/0x170 [ 233.440378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.440378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.440378][ T10] netlink_rcv_skb+0x130/0x360 [ 233.440378][ T10] netlink_unicast+0x449/0x710 [ 233.440378][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.440378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.440378][ T10] ___sys_sendmsg+0xee/0x170 [ 233.440378][ T10] __sys_sendmsg+0xcd/0x170 [ 233.440378][ T10] do_syscall_64+0xc6/0x1e0 [ 233.440378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.440378][ T10] [ 233.441929][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 233.441929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.441929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.441929][ T10] ipv6_find_idev+0x102/0x170 [ 233.441929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.441929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.441929][ T10] netlink_rcv_skb+0x130/0x360 [ 233.441929][ T10] netlink_unicast+0x449/0x710 [ 233.441929][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.441929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.441929][ T10] ___sys_sendmsg+0xee/0x170 [ 233.441929][ T10] __sys_sendmsg+0xcd/0x170 [ 233.441929][ T10] do_syscall_64+0xc6/0x1e0 [ 233.441929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.441929][ T10] [ 233.443613][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 233.443904][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 233.443904][ T10] netdev_get_by_index+0x5e/0x80 [ 233.443904][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.443904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.443904][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.443904][ T10] ipv6_add_addr+0x411/0x2000 [ 233.443904][ T10] inet6_addr_add+0x30e/0xa40 [ 233.443904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.443904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.443904][ T10] netlink_rcv_skb+0x130/0x360 [ 233.443904][ T10] netlink_unicast+0x449/0x710 [ 233.443904][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.443904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.443904][ T10] ___sys_sendmsg+0xee/0x170 [ 233.443904][ T10] __sys_sendmsg+0xcd/0x170 [ 233.443904][ T10] do_syscall_64+0xc6/0x1e0 [ 233.443904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.443904][ T10] [ 233.445881][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 233.445881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.445881][ T10] ipv6_find_idev+0x102/0x170 [ 233.445881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.445881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.445881][ T10] netlink_rcv_skb+0x130/0x360 [ 233.445881][ T10] netlink_unicast+0x449/0x710 [ 233.445881][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.445881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.445881][ T10] ___sys_sendmsg+0xee/0x170 [ 233.445881][ T10] __sys_sendmsg+0xcd/0x170 [ 233.445881][ T10] do_syscall_64+0xc6/0x1e0 [ 233.445881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.445881][ T10] [ 233.447420][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 233.447420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.447420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.447420][ T10] ipv6_find_idev+0x102/0x170 [ 233.447420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.447420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.447420][ T10] netlink_rcv_skb+0x130/0x360 [ 233.447420][ T10] netlink_unicast+0x449/0x710 [ 233.447420][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.447420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.447420][ T10] ___sys_sendmsg+0xee/0x170 [ 233.447420][ T10] __sys_sendmsg+0xcd/0x170 [ 233.447420][ T10] do_syscall_64+0xc6/0x1e0 [ 233.447420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.447420][ T10] [ 233.449095][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 233.449363][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 233.449363][ T10] netdev_get_by_index+0x5e/0x80 [ 233.449363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.449363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.449363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.449363][ T10] ipv6_add_addr+0x411/0x2000 [ 233.449363][ T10] inet6_addr_add+0x30e/0xa40 [ 233.449363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.449363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.449363][ T10] netlink_rcv_skb+0x130/0x360 [ 233.449363][ T10] netlink_unicast+0x449/0x710 [ 233.449363][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.449363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.449363][ T10] ___sys_sendmsg+0xee/0x170 [ 233.449363][ T10] __sys_sendmsg+0xcd/0x170 [ 233.449363][ T10] do_syscall_64+0xc6/0x1e0 [ 233.449363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.449363][ T10] [ 233.451352][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 233.451352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.451352][ T10] ipv6_find_idev+0x102/0x170 [ 233.451352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.451352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.451352][ T10] netlink_rcv_skb+0x130/0x360 [ 233.451352][ T10] netlink_unicast+0x449/0x710 [ 233.451352][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.451352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.451352][ T10] ___sys_sendmsg+0xee/0x170 [ 233.451352][ T10] __sys_sendmsg+0xcd/0x170 [ 233.451352][ T10] do_syscall_64+0xc6/0x1e0 [ 233.451352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.451352][ T10] [ 233.452889][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 233.452889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.452889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.452889][ T10] ipv6_find_idev+0x102/0x170 [ 233.452889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.452889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.452889][ T10] netlink_rcv_skb+0x130/0x360 [ 233.452889][ T10] netlink_unicast+0x449/0x710 [ 233.452889][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.452889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.452889][ T10] ___sys_sendmsg+0xee/0x170 [ 233.452889][ T10] __sys_sendmsg+0xcd/0x170 [ 233.452889][ T10] do_syscall_64+0xc6/0x1e0 [ 233.452889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.452889][ T10] [ 233.454556][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 233.455263][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 233.455263][ T10] netdev_get_by_index+0x5e/0x80 [ 233.455263][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.455263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.455263][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.455263][ T10] ipv6_add_addr+0x411/0x2000 [ 233.455263][ T10] inet6_addr_add+0x30e/0xa40 [ 233.455263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.455263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.455263][ T10] netlink_rcv_skb+0x130/0x360 [ 233.455263][ T10] netlink_unicast+0x449/0x710 [ 233.455263][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.455263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.455263][ T10] ___sys_sendmsg+0xee/0x170 [ 233.455263][ T10] __sys_sendmsg+0xcd/0x170 [ 233.455263][ T10] do_syscall_64+0xc6/0x1e0 [ 233.455263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.455263][ T10] [ 233.457232][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 233.457232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.457232][ T10] ipv6_find_idev+0x102/0x170 [ 233.457232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.457232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.457232][ T10] netlink_rcv_skb+0x130/0x360 [ 233.457232][ T10] netlink_unicast+0x449/0x710 [ 233.457232][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.457232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.457232][ T10] ___sys_sendmsg+0xee/0x170 [ 233.457232][ T10] __sys_sendmsg+0xcd/0x170 [ 233.457232][ T10] do_syscall_64+0xc6/0x1e0 [ 233.457232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.457232][ T10] [ 233.458755][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 233.458755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.458755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.458755][ T10] ipv6_find_idev+0x102/0x170 [ 233.458755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.458755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.458755][ T10] netlink_rcv_skb+0x130/0x360 [ 233.458755][ T10] netlink_unicast+0x449/0x710 [ 233.458755][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.458755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.458755][ T10] ___sys_sendmsg+0xee/0x170 [ 233.458755][ T10] __sys_sendmsg+0xcd/0x170 [ 233.458755][ T10] do_syscall_64+0xc6/0x1e0 [ 233.458755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.458755][ T10] [ 233.460455][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 233.460725][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 233.460725][ T10] netdev_get_by_index+0x5e/0x80 [ 233.460725][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.460725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.460725][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.460725][ T10] ipv6_add_addr+0x411/0x2000 [ 233.460725][ T10] inet6_addr_add+0x30e/0xa40 [ 233.460725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.460725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.460725][ T10] netlink_rcv_skb+0x130/0x360 [ 233.460725][ T10] netlink_unicast+0x449/0x710 [ 233.460725][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.460725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.460725][ T10] ___sys_sendmsg+0xee/0x170 [ 233.460725][ T10] __sys_sendmsg+0xcd/0x170 [ 233.460725][ T10] do_syscall_64+0xc6/0x1e0 [ 233.460725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.460725][ T10] [ 233.462699][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 233.462699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.462699][ T10] ipv6_find_idev+0x102/0x170 [ 233.462699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.462699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.462699][ T10] netlink_rcv_skb+0x130/0x360 [ 233.462699][ T10] netlink_unicast+0x449/0x710 [ 233.462699][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.462699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.462699][ T10] ___sys_sendmsg+0xee/0x170 [ 233.462699][ T10] __sys_sendmsg+0xcd/0x170 [ 233.462699][ T10] do_syscall_64+0xc6/0x1e0 [ 233.462699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.462699][ T10] [ 233.464221][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 233.464221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.464221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.464221][ T10] ipv6_find_idev+0x102/0x170 [ 233.464221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.464221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.464221][ T10] netlink_rcv_skb+0x130/0x360 [ 233.464221][ T10] netlink_unicast+0x449/0x710 [ 233.464221][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.464221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.464221][ T10] ___sys_sendmsg+0xee/0x170 [ 233.464221][ T10] __sys_sendmsg+0xcd/0x170 [ 233.464221][ T10] do_syscall_64+0xc6/0x1e0 [ 233.464221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.464221][ T10] [ 233.465925][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 233.466186][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 233.466186][ T10] netdev_get_by_index+0x5e/0x80 [ 233.466186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.466186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.466186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.466186][ T10] ipv6_add_addr+0x411/0x2000 [ 233.466186][ T10] inet6_addr_add+0x30e/0xa40 [ 233.466186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.466186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.466186][ T10] netlink_rcv_skb+0x130/0x360 [ 233.466186][ T10] netlink_unicast+0x449/0x710 [ 233.466186][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.466186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.466186][ T10] ___sys_sendmsg+0xee/0x170 [ 233.466186][ T10] __sys_sendmsg+0xcd/0x170 [ 233.466186][ T10] do_syscall_64+0xc6/0x1e0 [ 233.466186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.466186][ T10] [ 233.468220][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 233.468220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.468220][ T10] ipv6_find_idev+0x102/0x170 [ 233.468220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.468220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.468220][ T10] netlink_rcv_skb+0x130/0x360 [ 233.468220][ T10] netlink_unicast+0x449/0x710 [ 233.468220][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.468220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.468220][ T10] ___sys_sendmsg+0xee/0x170 [ 233.468220][ T10] __sys_sendmsg+0xcd/0x170 [ 233.468220][ T10] do_syscall_64+0xc6/0x1e0 [ 233.468220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.468220][ T10] [ 233.469982][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 233.469982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.469982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.469982][ T10] ipv6_find_idev+0x102/0x170 [ 233.469982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.469982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.469982][ T10] netlink_rcv_skb+0x130/0x360 [ 233.469982][ T10] netlink_unicast+0x449/0x710 [ 233.469982][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.469982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.469982][ T10] ___sys_sendmsg+0xee/0x170 [ 233.469982][ T10] __sys_sendmsg+0xcd/0x170 [ 233.469982][ T10] do_syscall_64+0xc6/0x1e0 [ 233.469982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.469982][ T10] [ 233.471929][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 233.472190][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 233.472190][ T10] netdev_get_by_index+0x5e/0x80 [ 233.472190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.472190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.472190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.472190][ T10] ipv6_add_addr+0x411/0x2000 [ 233.472190][ T10] inet6_addr_add+0x30e/0xa40 [ 233.472190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.472190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.472190][ T10] netlink_rcv_skb+0x130/0x360 [ 233.472190][ T10] netlink_unicast+0x449/0x710 [ 233.472190][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.472190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.472190][ T10] ___sys_sendmsg+0xee/0x170 [ 233.472190][ T10] __sys_sendmsg+0xcd/0x170 [ 233.472190][ T10] do_syscall_64+0xc6/0x1e0 [ 233.472190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.472190][ T10] [ 233.474336][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 233.474336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.474336][ T10] ipv6_find_idev+0x102/0x170 [ 233.474336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.474336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.474336][ T10] netlink_rcv_skb+0x130/0x360 [ 233.474336][ T10] netlink_unicast+0x449/0x710 [ 233.474336][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.474336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.474336][ T10] ___sys_sendmsg+0xee/0x170 [ 233.474336][ T10] __sys_sendmsg+0xcd/0x170 [ 233.474336][ T10] do_syscall_64+0xc6/0x1e0 [ 233.474336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.474336][ T10] [ 233.476039][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 233.476039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.476039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.476039][ T10] ipv6_find_idev+0x102/0x170 [ 233.476039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.476039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.476039][ T10] netlink_rcv_skb+0x130/0x360 [ 233.476039][ T10] netlink_unicast+0x449/0x710 [ 233.476039][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.476039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.476039][ T10] ___sys_sendmsg+0xee/0x170 [ 233.476039][ T10] __sys_sendmsg+0xcd/0x170 [ 233.476039][ T10] do_syscall_64+0xc6/0x1e0 [ 233.476039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.476039][ T10] [ 233.477914][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 233.478171][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 233.478171][ T10] netdev_get_by_index+0x5e/0x80 [ 233.478171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 233.478171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 233.478171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 233.478171][ T10] ipv6_add_addr+0x411/0x2000 [ 233.478171][ T10] inet6_addr_add+0x30e/0xa40 [ 233.478171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 233.478171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.478171][ T10] netlink_rcv_skb+0x130/0x360 [ 233.478171][ T10] netlink_unicast+0x449/0x710 [ 233.478171][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.478171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.478171][ T10] ___sys_sendmsg+0xee/0x170 [ 233.478171][ T10] __sys_sendmsg+0xcd/0x170 [ 233.478171][ T10] do_syscall_64+0xc6/0x1e0 [ 233.478171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.478171][ T10] [ 233.480436][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 233.480436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 233.480436][ T10] ipv6_find_idev+0x102/0x170 [ 233.480436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.480436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.480436][ T10] netlink_rcv_skb+0x130/0x360 [ 233.480436][ T10] netlink_unicast+0x449/0x710 [ 233.480436][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.480436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.480436][ T10] ___sys_sendmsg+0xee/0x170 [ 233.480436][ T10] __sys_sendmsg+0xcd/0x170 [ 233.480436][ T10] do_syscall_64+0xc6/0x1e0 [ 233.480436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.480436][ T10] [ 233.482156][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 233.482156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 233.482156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 233.482156][ T10] ipv6_find_idev+0x102/0x170 [ 233.482156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 233.482156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 233.482156][ T10] netlink_rcv_skb+0x130/0x360 [ 233.482156][ T10] netlink_unicast+0x449/0x710 [ 233.482156][ T10] netlink_sendmsg+0x723/0xbe0 [ 233.482156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 233.482156][ T10] ___sys_sendmsg+0xee/0x170 [ 233.482156][ T10] __sys_sendmsg+0xcd/0x170 [ 233.482156][ T10] do_syscall_64+0xc6/0x1e0 [ 233.482156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 233.482156][ T10] [ 243.725885][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 243.726323][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 243.726323][ T10] netdev_get_by_index+0x5e/0x80 [ 243.726323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.726323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.726323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.726323][ T10] ipv6_add_addr+0x411/0x2000 [ 243.726323][ T10] inet6_addr_add+0x30e/0xa40 [ 243.726323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.726323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.726323][ T10] netlink_rcv_skb+0x130/0x360 [ 243.726323][ T10] netlink_unicast+0x449/0x710 [ 243.726323][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.726323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.726323][ T10] ___sys_sendmsg+0xee/0x170 [ 243.726323][ T10] __sys_sendmsg+0xcd/0x170 [ 243.726323][ T10] do_syscall_64+0xc6/0x1e0 [ 243.726323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.726323][ T10] [ 243.728300][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 243.728300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.728300][ T10] ipv6_find_idev+0x102/0x170 [ 243.728300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.728300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.728300][ T10] netlink_rcv_skb+0x130/0x360 [ 243.728300][ T10] netlink_unicast+0x449/0x710 [ 243.728300][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.728300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.728300][ T10] ___sys_sendmsg+0xee/0x170 [ 243.728300][ T10] __sys_sendmsg+0xcd/0x170 [ 243.728300][ T10] do_syscall_64+0xc6/0x1e0 [ 243.728300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.728300][ T10] [ 243.729813][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 243.729813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.729813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.729813][ T10] ipv6_find_idev+0x102/0x170 [ 243.729813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.729813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.729813][ T10] netlink_rcv_skb+0x130/0x360 [ 243.729813][ T10] netlink_unicast+0x449/0x710 [ 243.729813][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.729813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.729813][ T10] ___sys_sendmsg+0xee/0x170 [ 243.729813][ T10] __sys_sendmsg+0xcd/0x170 [ 243.729813][ T10] do_syscall_64+0xc6/0x1e0 [ 243.729813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.729813][ T10] [ 243.731504][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 243.731774][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 243.731774][ T10] netdev_get_by_index+0x5e/0x80 [ 243.731774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.731774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.731774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.731774][ T10] ipv6_add_addr+0x411/0x2000 [ 243.731774][ T10] inet6_addr_add+0x30e/0xa40 [ 243.731774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.731774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.731774][ T10] netlink_rcv_skb+0x130/0x360 [ 243.731774][ T10] netlink_unicast+0x449/0x710 [ 243.731774][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.731774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.731774][ T10] ___sys_sendmsg+0xee/0x170 [ 243.731774][ T10] __sys_sendmsg+0xcd/0x170 [ 243.731774][ T10] do_syscall_64+0xc6/0x1e0 [ 243.731774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.731774][ T10] [ 243.733747][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 243.733747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.733747][ T10] ipv6_find_idev+0x102/0x170 [ 243.733747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.733747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.733747][ T10] netlink_rcv_skb+0x130/0x360 [ 243.733747][ T10] netlink_unicast+0x449/0x710 [ 243.733747][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.733747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.733747][ T10] ___sys_sendmsg+0xee/0x170 [ 243.733747][ T10] __sys_sendmsg+0xcd/0x170 [ 243.733747][ T10] do_syscall_64+0xc6/0x1e0 [ 243.733747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.733747][ T10] [ 243.735256][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 243.735256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.735256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.735256][ T10] ipv6_find_idev+0x102/0x170 [ 243.735256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.735256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.735256][ T10] netlink_rcv_skb+0x130/0x360 [ 243.735256][ T10] netlink_unicast+0x449/0x710 [ 243.735256][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.735256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.735256][ T10] ___sys_sendmsg+0xee/0x170 [ 243.735256][ T10] __sys_sendmsg+0xcd/0x170 [ 243.735256][ T10] do_syscall_64+0xc6/0x1e0 [ 243.735256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.735256][ T10] [ 243.736877][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 243.737165][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 243.737165][ T10] netdev_get_by_index+0x5e/0x80 [ 243.737165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.737165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.737165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.737165][ T10] ipv6_add_addr+0x411/0x2000 [ 243.737165][ T10] inet6_addr_add+0x30e/0xa40 [ 243.737165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.737165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.737165][ T10] netlink_rcv_skb+0x130/0x360 [ 243.737165][ T10] netlink_unicast+0x449/0x710 [ 243.737165][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.737165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.737165][ T10] ___sys_sendmsg+0xee/0x170 [ 243.737165][ T10] __sys_sendmsg+0xcd/0x170 [ 243.737165][ T10] do_syscall_64+0xc6/0x1e0 [ 243.737165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.737165][ T10] [ 243.739146][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 243.739146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.739146][ T10] ipv6_find_idev+0x102/0x170 [ 243.739146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.739146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.739146][ T10] netlink_rcv_skb+0x130/0x360 [ 243.739146][ T10] netlink_unicast+0x449/0x710 [ 243.739146][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.739146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.739146][ T10] ___sys_sendmsg+0xee/0x170 [ 243.739146][ T10] __sys_sendmsg+0xcd/0x170 [ 243.739146][ T10] do_syscall_64+0xc6/0x1e0 [ 243.739146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.739146][ T10] [ 243.740677][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 243.740677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.740677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.740677][ T10] ipv6_find_idev+0x102/0x170 [ 243.740677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.740677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.740677][ T10] netlink_rcv_skb+0x130/0x360 [ 243.740677][ T10] netlink_unicast+0x449/0x710 [ 243.740677][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.740677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.740677][ T10] ___sys_sendmsg+0xee/0x170 [ 243.740677][ T10] __sys_sendmsg+0xcd/0x170 [ 243.740677][ T10] do_syscall_64+0xc6/0x1e0 [ 243.740677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.740677][ T10] [ 243.742347][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 243.742629][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 243.742629][ T10] netdev_get_by_index+0x5e/0x80 [ 243.742629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.742629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.742629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.742629][ T10] ipv6_add_addr+0x411/0x2000 [ 243.742629][ T10] inet6_addr_add+0x30e/0xa40 [ 243.742629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.742629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.742629][ T10] netlink_rcv_skb+0x130/0x360 [ 243.742629][ T10] netlink_unicast+0x449/0x710 [ 243.742629][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.742629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.742629][ T10] ___sys_sendmsg+0xee/0x170 [ 243.742629][ T10] __sys_sendmsg+0xcd/0x170 [ 243.742629][ T10] do_syscall_64+0xc6/0x1e0 [ 243.742629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.742629][ T10] [ 243.744611][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 243.744611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.744611][ T10] ipv6_find_idev+0x102/0x170 [ 243.744611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.744611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.744611][ T10] netlink_rcv_skb+0x130/0x360 [ 243.744611][ T10] netlink_unicast+0x449/0x710 [ 243.744611][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.744611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.744611][ T10] ___sys_sendmsg+0xee/0x170 [ 243.744611][ T10] __sys_sendmsg+0xcd/0x170 [ 243.744611][ T10] do_syscall_64+0xc6/0x1e0 [ 243.744611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.744611][ T10] [ 243.746092][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 243.746092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.746092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.746092][ T10] ipv6_find_idev+0x102/0x170 [ 243.746092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.746092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.746092][ T10] netlink_rcv_skb+0x130/0x360 [ 243.746092][ T10] netlink_unicast+0x449/0x710 [ 243.746092][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.746092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.746092][ T10] ___sys_sendmsg+0xee/0x170 [ 243.746092][ T10] __sys_sendmsg+0xcd/0x170 [ 243.746092][ T10] do_syscall_64+0xc6/0x1e0 [ 243.746092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.746092][ T10] [ 243.748132][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 243.748395][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 243.748395][ T10] netdev_get_by_index+0x5e/0x80 [ 243.748395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.748395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.748395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.748395][ T10] ipv6_add_addr+0x411/0x2000 [ 243.748395][ T10] inet6_addr_add+0x30e/0xa40 [ 243.748395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.748395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.748395][ T10] netlink_rcv_skb+0x130/0x360 [ 243.748395][ T10] netlink_unicast+0x449/0x710 [ 243.748395][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.748395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.748395][ T10] ___sys_sendmsg+0xee/0x170 [ 243.748395][ T10] __sys_sendmsg+0xcd/0x170 [ 243.748395][ T10] do_syscall_64+0xc6/0x1e0 [ 243.748395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.748395][ T10] [ 243.750347][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 243.750347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.750347][ T10] ipv6_find_idev+0x102/0x170 [ 243.750347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.750347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.750347][ T10] netlink_rcv_skb+0x130/0x360 [ 243.750347][ T10] netlink_unicast+0x449/0x710 [ 243.750347][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.750347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.750347][ T10] ___sys_sendmsg+0xee/0x170 [ 243.750347][ T10] __sys_sendmsg+0xcd/0x170 [ 243.750347][ T10] do_syscall_64+0xc6/0x1e0 [ 243.750347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.750347][ T10] [ 243.751898][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 243.751898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.751898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.751898][ T10] ipv6_find_idev+0x102/0x170 [ 243.751898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.751898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.751898][ T10] netlink_rcv_skb+0x130/0x360 [ 243.751898][ T10] netlink_unicast+0x449/0x710 [ 243.751898][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.751898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.751898][ T10] ___sys_sendmsg+0xee/0x170 [ 243.751898][ T10] __sys_sendmsg+0xcd/0x170 [ 243.751898][ T10] do_syscall_64+0xc6/0x1e0 [ 243.751898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.751898][ T10] [ 243.753586][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 243.753901][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 243.753901][ T10] netdev_get_by_index+0x5e/0x80 [ 243.753901][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.753901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.753901][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.753901][ T10] ipv6_add_addr+0x411/0x2000 [ 243.753901][ T10] inet6_addr_add+0x30e/0xa40 [ 243.753901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.753901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.753901][ T10] netlink_rcv_skb+0x130/0x360 [ 243.753901][ T10] netlink_unicast+0x449/0x710 [ 243.753901][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.753901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.753901][ T10] ___sys_sendmsg+0xee/0x170 [ 243.753901][ T10] __sys_sendmsg+0xcd/0x170 [ 243.753901][ T10] do_syscall_64+0xc6/0x1e0 [ 243.753901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.753901][ T10] [ 243.755924][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 243.755924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.755924][ T10] ipv6_find_idev+0x102/0x170 [ 243.755924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.755924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.755924][ T10] netlink_rcv_skb+0x130/0x360 [ 243.755924][ T10] netlink_unicast+0x449/0x710 [ 243.755924][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.755924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.755924][ T10] ___sys_sendmsg+0xee/0x170 [ 243.755924][ T10] __sys_sendmsg+0xcd/0x170 [ 243.755924][ T10] do_syscall_64+0xc6/0x1e0 [ 243.755924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.755924][ T10] [ 243.757577][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 243.757577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.757577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.757577][ T10] ipv6_find_idev+0x102/0x170 [ 243.757577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.757577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.757577][ T10] netlink_rcv_skb+0x130/0x360 [ 243.757577][ T10] netlink_unicast+0x449/0x710 [ 243.757577][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.757577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.757577][ T10] ___sys_sendmsg+0xee/0x170 [ 243.757577][ T10] __sys_sendmsg+0xcd/0x170 [ 243.757577][ T10] do_syscall_64+0xc6/0x1e0 [ 243.757577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.757577][ T10] [ 243.759529][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 243.759800][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 243.759800][ T10] netdev_get_by_index+0x5e/0x80 [ 243.759800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.759800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.759800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.759800][ T10] ipv6_add_addr+0x411/0x2000 [ 243.759800][ T10] inet6_addr_add+0x30e/0xa40 [ 243.759800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.759800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.759800][ T10] netlink_rcv_skb+0x130/0x360 [ 243.759800][ T10] netlink_unicast+0x449/0x710 [ 243.759800][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.759800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.759800][ T10] ___sys_sendmsg+0xee/0x170 [ 243.759800][ T10] __sys_sendmsg+0xcd/0x170 [ 243.759800][ T10] do_syscall_64+0xc6/0x1e0 [ 243.759800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.759800][ T10] [ 243.761955][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 243.761955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.761955][ T10] ipv6_find_idev+0x102/0x170 [ 243.761955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.761955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.761955][ T10] netlink_rcv_skb+0x130/0x360 [ 243.761955][ T10] netlink_unicast+0x449/0x710 [ 243.761955][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.761955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.761955][ T10] ___sys_sendmsg+0xee/0x170 [ 243.761955][ T10] __sys_sendmsg+0xcd/0x170 [ 243.761955][ T10] do_syscall_64+0xc6/0x1e0 [ 243.761955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.761955][ T10] [ 243.763716][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 243.763716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.763716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.763716][ T10] ipv6_find_idev+0x102/0x170 [ 243.763716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.763716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.763716][ T10] netlink_rcv_skb+0x130/0x360 [ 243.763716][ T10] netlink_unicast+0x449/0x710 [ 243.763716][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.763716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.763716][ T10] ___sys_sendmsg+0xee/0x170 [ 243.763716][ T10] __sys_sendmsg+0xcd/0x170 [ 243.763716][ T10] do_syscall_64+0xc6/0x1e0 [ 243.763716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.763716][ T10] [ 243.765568][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 243.765878][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 243.765878][ T10] netdev_get_by_index+0x5e/0x80 [ 243.765878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 243.765878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 243.765878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 243.765878][ T10] ipv6_add_addr+0x411/0x2000 [ 243.765878][ T10] inet6_addr_add+0x30e/0xa40 [ 243.765878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 243.765878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.765878][ T10] netlink_rcv_skb+0x130/0x360 [ 243.765878][ T10] netlink_unicast+0x449/0x710 [ 243.765878][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.765878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.765878][ T10] ___sys_sendmsg+0xee/0x170 [ 243.765878][ T10] __sys_sendmsg+0xcd/0x170 [ 243.765878][ T10] do_syscall_64+0xc6/0x1e0 [ 243.765878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.765878][ T10] [ 243.767996][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 243.767996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 243.767996][ T10] ipv6_find_idev+0x102/0x170 [ 243.767996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.767996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.767996][ T10] netlink_rcv_skb+0x130/0x360 [ 243.767996][ T10] netlink_unicast+0x449/0x710 [ 243.767996][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.767996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.767996][ T10] ___sys_sendmsg+0xee/0x170 [ 243.767996][ T10] __sys_sendmsg+0xcd/0x170 [ 243.767996][ T10] do_syscall_64+0xc6/0x1e0 [ 243.767996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.767996][ T10] [ 243.769732][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 243.769732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 243.769732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 243.769732][ T10] ipv6_find_idev+0x102/0x170 [ 243.769732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 243.769732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 243.769732][ T10] netlink_rcv_skb+0x130/0x360 [ 243.769732][ T10] netlink_unicast+0x449/0x710 [ 243.769732][ T10] netlink_sendmsg+0x723/0xbe0 [ 243.769732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 243.769732][ T10] ___sys_sendmsg+0xee/0x170 [ 243.769732][ T10] __sys_sendmsg+0xcd/0x170 [ 243.769732][ T10] do_syscall_64+0xc6/0x1e0 [ 243.769732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 243.769732][ T10] [ 254.013875][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 254.014325][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 254.014325][ T10] netdev_get_by_index+0x5e/0x80 [ 254.014325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.014325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.014325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.014325][ T10] ipv6_add_addr+0x411/0x2000 [ 254.014325][ T10] inet6_addr_add+0x30e/0xa40 [ 254.014325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.014325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.014325][ T10] netlink_rcv_skb+0x130/0x360 [ 254.014325][ T10] netlink_unicast+0x449/0x710 [ 254.014325][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.014325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.014325][ T10] ___sys_sendmsg+0xee/0x170 [ 254.014325][ T10] __sys_sendmsg+0xcd/0x170 [ 254.014325][ T10] do_syscall_64+0xc6/0x1e0 [ 254.014325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.014325][ T10] [ 254.016331][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 254.016331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.016331][ T10] ipv6_find_idev+0x102/0x170 [ 254.016331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.016331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.016331][ T10] netlink_rcv_skb+0x130/0x360 [ 254.016331][ T10] netlink_unicast+0x449/0x710 [ 254.016331][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.016331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.016331][ T10] ___sys_sendmsg+0xee/0x170 [ 254.016331][ T10] __sys_sendmsg+0xcd/0x170 [ 254.016331][ T10] do_syscall_64+0xc6/0x1e0 [ 254.016331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.016331][ T10] [ 254.017859][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 254.017859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.017859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.017859][ T10] ipv6_find_idev+0x102/0x170 [ 254.017859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.017859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.017859][ T10] netlink_rcv_skb+0x130/0x360 [ 254.017859][ T10] netlink_unicast+0x449/0x710 [ 254.017859][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.017859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.017859][ T10] ___sys_sendmsg+0xee/0x170 [ 254.017859][ T10] __sys_sendmsg+0xcd/0x170 [ 254.017859][ T10] do_syscall_64+0xc6/0x1e0 [ 254.017859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.017859][ T10] [ 254.019500][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 254.019783][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 254.019783][ T10] netdev_get_by_index+0x5e/0x80 [ 254.019783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.019783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.019783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.019783][ T10] ipv6_add_addr+0x411/0x2000 [ 254.019783][ T10] inet6_addr_add+0x30e/0xa40 [ 254.019783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.019783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.019783][ T10] netlink_rcv_skb+0x130/0x360 [ 254.019783][ T10] netlink_unicast+0x449/0x710 [ 254.019783][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.019783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.019783][ T10] ___sys_sendmsg+0xee/0x170 [ 254.019783][ T10] __sys_sendmsg+0xcd/0x170 [ 254.019783][ T10] do_syscall_64+0xc6/0x1e0 [ 254.019783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.019783][ T10] [ 254.021764][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 254.021764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.021764][ T10] ipv6_find_idev+0x102/0x170 [ 254.021764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.021764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.021764][ T10] netlink_rcv_skb+0x130/0x360 [ 254.021764][ T10] netlink_unicast+0x449/0x710 [ 254.021764][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.021764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.021764][ T10] ___sys_sendmsg+0xee/0x170 [ 254.021764][ T10] __sys_sendmsg+0xcd/0x170 [ 254.021764][ T10] do_syscall_64+0xc6/0x1e0 [ 254.021764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.021764][ T10] [ 254.023253][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 254.023253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.023253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.023253][ T10] ipv6_find_idev+0x102/0x170 [ 254.023253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.023253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.023253][ T10] netlink_rcv_skb+0x130/0x360 [ 254.023253][ T10] netlink_unicast+0x449/0x710 [ 254.023253][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.023253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.023253][ T10] ___sys_sendmsg+0xee/0x170 [ 254.023253][ T10] __sys_sendmsg+0xcd/0x170 [ 254.023253][ T10] do_syscall_64+0xc6/0x1e0 [ 254.023253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.023253][ T10] [ 254.024873][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 254.025136][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 254.025136][ T10] netdev_get_by_index+0x5e/0x80 [ 254.025136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.025136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.025136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.025136][ T10] ipv6_add_addr+0x411/0x2000 [ 254.025136][ T10] inet6_addr_add+0x30e/0xa40 [ 254.025136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.025136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.025136][ T10] netlink_rcv_skb+0x130/0x360 [ 254.025136][ T10] netlink_unicast+0x449/0x710 [ 254.025136][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.025136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.025136][ T10] ___sys_sendmsg+0xee/0x170 [ 254.025136][ T10] __sys_sendmsg+0xcd/0x170 [ 254.025136][ T10] do_syscall_64+0xc6/0x1e0 [ 254.025136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.025136][ T10] [ 254.027144][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 254.027144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.027144][ T10] ipv6_find_idev+0x102/0x170 [ 254.027144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.027144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.027144][ T10] netlink_rcv_skb+0x130/0x360 [ 254.027144][ T10] netlink_unicast+0x449/0x710 [ 254.027144][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.027144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.027144][ T10] ___sys_sendmsg+0xee/0x170 [ 254.027144][ T10] __sys_sendmsg+0xcd/0x170 [ 254.027144][ T10] do_syscall_64+0xc6/0x1e0 [ 254.027144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.027144][ T10] [ 254.028650][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 254.028650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.028650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.028650][ T10] ipv6_find_idev+0x102/0x170 [ 254.028650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.028650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.028650][ T10] netlink_rcv_skb+0x130/0x360 [ 254.028650][ T10] netlink_unicast+0x449/0x710 [ 254.028650][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.028650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.028650][ T10] ___sys_sendmsg+0xee/0x170 [ 254.028650][ T10] __sys_sendmsg+0xcd/0x170 [ 254.028650][ T10] do_syscall_64+0xc6/0x1e0 [ 254.028650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.028650][ T10] [ 254.030274][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 254.030575][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 254.030575][ T10] netdev_get_by_index+0x5e/0x80 [ 254.030575][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.030575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.030575][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.030575][ T10] ipv6_add_addr+0x411/0x2000 [ 254.030575][ T10] inet6_addr_add+0x30e/0xa40 [ 254.030575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.030575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.030575][ T10] netlink_rcv_skb+0x130/0x360 [ 254.030575][ T10] netlink_unicast+0x449/0x710 [ 254.030575][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.030575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.030575][ T10] ___sys_sendmsg+0xee/0x170 [ 254.030575][ T10] __sys_sendmsg+0xcd/0x170 [ 254.030575][ T10] do_syscall_64+0xc6/0x1e0 [ 254.030575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.030575][ T10] [ 254.032542][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 254.032542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.032542][ T10] ipv6_find_idev+0x102/0x170 [ 254.032542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.032542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.032542][ T10] netlink_rcv_skb+0x130/0x360 [ 254.032542][ T10] netlink_unicast+0x449/0x710 [ 254.032542][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.032542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.032542][ T10] ___sys_sendmsg+0xee/0x170 [ 254.032542][ T10] __sys_sendmsg+0xcd/0x170 [ 254.032542][ T10] do_syscall_64+0xc6/0x1e0 [ 254.032542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.032542][ T10] [ 254.034032][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 254.034032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.034032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.034032][ T10] ipv6_find_idev+0x102/0x170 [ 254.034032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.034032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.034032][ T10] netlink_rcv_skb+0x130/0x360 [ 254.034032][ T10] netlink_unicast+0x449/0x710 [ 254.034032][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.034032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.034032][ T10] ___sys_sendmsg+0xee/0x170 [ 254.034032][ T10] __sys_sendmsg+0xcd/0x170 [ 254.034032][ T10] do_syscall_64+0xc6/0x1e0 [ 254.034032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.034032][ T10] [ 254.036079][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 254.036348][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 254.036348][ T10] netdev_get_by_index+0x5e/0x80 [ 254.036348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.036348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.036348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.036348][ T10] ipv6_add_addr+0x411/0x2000 [ 254.036348][ T10] inet6_addr_add+0x30e/0xa40 [ 254.036348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.036348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.036348][ T10] netlink_rcv_skb+0x130/0x360 [ 254.036348][ T10] netlink_unicast+0x449/0x710 [ 254.036348][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.036348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.036348][ T10] ___sys_sendmsg+0xee/0x170 [ 254.036348][ T10] __sys_sendmsg+0xcd/0x170 [ 254.036348][ T10] do_syscall_64+0xc6/0x1e0 [ 254.036348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.036348][ T10] [ 254.038286][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 254.038286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.038286][ T10] ipv6_find_idev+0x102/0x170 [ 254.038286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.038286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.038286][ T10] netlink_rcv_skb+0x130/0x360 [ 254.038286][ T10] netlink_unicast+0x449/0x710 [ 254.038286][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.038286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.038286][ T10] ___sys_sendmsg+0xee/0x170 [ 254.038286][ T10] __sys_sendmsg+0xcd/0x170 [ 254.038286][ T10] do_syscall_64+0xc6/0x1e0 [ 254.038286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.038286][ T10] [ 254.039768][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 254.039768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.039768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.039768][ T10] ipv6_find_idev+0x102/0x170 [ 254.039768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.039768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.039768][ T10] netlink_rcv_skb+0x130/0x360 [ 254.039768][ T10] netlink_unicast+0x449/0x710 [ 254.039768][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.039768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.039768][ T10] ___sys_sendmsg+0xee/0x170 [ 254.039768][ T10] __sys_sendmsg+0xcd/0x170 [ 254.039768][ T10] do_syscall_64+0xc6/0x1e0 [ 254.039768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.039768][ T10] [ 254.041470][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 254.041736][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 254.041736][ T10] netdev_get_by_index+0x5e/0x80 [ 254.041736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.041736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.041736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.041736][ T10] ipv6_add_addr+0x411/0x2000 [ 254.041736][ T10] inet6_addr_add+0x30e/0xa40 [ 254.041736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.041736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.041736][ T10] netlink_rcv_skb+0x130/0x360 [ 254.041736][ T10] netlink_unicast+0x449/0x710 [ 254.041736][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.041736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.041736][ T10] ___sys_sendmsg+0xee/0x170 [ 254.041736][ T10] __sys_sendmsg+0xcd/0x170 [ 254.041736][ T10] do_syscall_64+0xc6/0x1e0 [ 254.041736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.041736][ T10] [ 254.043843][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 254.043843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.043843][ T10] ipv6_find_idev+0x102/0x170 [ 254.043843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.043843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.043843][ T10] netlink_rcv_skb+0x130/0x360 [ 254.043843][ T10] netlink_unicast+0x449/0x710 [ 254.043843][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.043843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.043843][ T10] ___sys_sendmsg+0xee/0x170 [ 254.043843][ T10] __sys_sendmsg+0xcd/0x170 [ 254.043843][ T10] do_syscall_64+0xc6/0x1e0 [ 254.043843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.043843][ T10] [ 254.045498][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 254.045498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.045498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.045498][ T10] ipv6_find_idev+0x102/0x170 [ 254.045498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.045498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.045498][ T10] netlink_rcv_skb+0x130/0x360 [ 254.045498][ T10] netlink_unicast+0x449/0x710 [ 254.045498][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.045498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.045498][ T10] ___sys_sendmsg+0xee/0x170 [ 254.045498][ T10] __sys_sendmsg+0xcd/0x170 [ 254.045498][ T10] do_syscall_64+0xc6/0x1e0 [ 254.045498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.045498][ T10] [ 254.047430][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 254.047687][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 254.047687][ T10] netdev_get_by_index+0x5e/0x80 [ 254.047687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.047687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.047687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.047687][ T10] ipv6_add_addr+0x411/0x2000 [ 254.047687][ T10] inet6_addr_add+0x30e/0xa40 [ 254.047687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.047687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.047687][ T10] netlink_rcv_skb+0x130/0x360 [ 254.047687][ T10] netlink_unicast+0x449/0x710 [ 254.047687][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.047687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.047687][ T10] ___sys_sendmsg+0xee/0x170 [ 254.047687][ T10] __sys_sendmsg+0xcd/0x170 [ 254.047687][ T10] do_syscall_64+0xc6/0x1e0 [ 254.047687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.047687][ T10] [ 254.049869][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 254.049869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.049869][ T10] ipv6_find_idev+0x102/0x170 [ 254.049869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.049869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.049869][ T10] netlink_rcv_skb+0x130/0x360 [ 254.049869][ T10] netlink_unicast+0x449/0x710 [ 254.049869][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.049869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.049869][ T10] ___sys_sendmsg+0xee/0x170 [ 254.049869][ T10] __sys_sendmsg+0xcd/0x170 [ 254.049869][ T10] do_syscall_64+0xc6/0x1e0 [ 254.049869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.049869][ T10] [ 254.051594][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 254.051594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.051594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.051594][ T10] ipv6_find_idev+0x102/0x170 [ 254.051594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.051594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.051594][ T10] netlink_rcv_skb+0x130/0x360 [ 254.051594][ T10] netlink_unicast+0x449/0x710 [ 254.051594][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.051594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.051594][ T10] ___sys_sendmsg+0xee/0x170 [ 254.051594][ T10] __sys_sendmsg+0xcd/0x170 [ 254.051594][ T10] do_syscall_64+0xc6/0x1e0 [ 254.051594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.051594][ T10] [ 254.053427][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 254.053677][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 254.053677][ T10] netdev_get_by_index+0x5e/0x80 [ 254.053677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 254.053677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 254.053677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 254.053677][ T10] ipv6_add_addr+0x411/0x2000 [ 254.053677][ T10] inet6_addr_add+0x30e/0xa40 [ 254.053677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 254.053677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.053677][ T10] netlink_rcv_skb+0x130/0x360 [ 254.053677][ T10] netlink_unicast+0x449/0x710 [ 254.053677][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.053677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.053677][ T10] ___sys_sendmsg+0xee/0x170 [ 254.053677][ T10] __sys_sendmsg+0xcd/0x170 [ 254.053677][ T10] do_syscall_64+0xc6/0x1e0 [ 254.053677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.053677][ T10] [ 254.055909][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 254.055909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 254.055909][ T10] ipv6_find_idev+0x102/0x170 [ 254.055909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.055909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.055909][ T10] netlink_rcv_skb+0x130/0x360 [ 254.055909][ T10] netlink_unicast+0x449/0x710 [ 254.055909][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.055909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.055909][ T10] ___sys_sendmsg+0xee/0x170 [ 254.055909][ T10] __sys_sendmsg+0xcd/0x170 [ 254.055909][ T10] do_syscall_64+0xc6/0x1e0 [ 254.055909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.055909][ T10] [ 254.057627][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 254.057627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 254.057627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 254.057627][ T10] ipv6_find_idev+0x102/0x170 [ 254.057627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 254.057627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 254.057627][ T10] netlink_rcv_skb+0x130/0x360 [ 254.057627][ T10] netlink_unicast+0x449/0x710 [ 254.057627][ T10] netlink_sendmsg+0x723/0xbe0 [ 254.057627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 254.057627][ T10] ___sys_sendmsg+0xee/0x170 [ 254.057627][ T10] __sys_sendmsg+0xcd/0x170 [ 254.057627][ T10] do_syscall_64+0xc6/0x1e0 [ 254.057627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 254.057627][ T10] [ 264.301890][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 264.302337][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 264.302337][ T10] netdev_get_by_index+0x5e/0x80 [ 264.302337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.302337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.302337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.302337][ T10] ipv6_add_addr+0x411/0x2000 [ 264.302337][ T10] inet6_addr_add+0x30e/0xa40 [ 264.302337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.302337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.302337][ T10] netlink_rcv_skb+0x130/0x360 [ 264.302337][ T10] netlink_unicast+0x449/0x710 [ 264.302337][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.302337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.302337][ T10] ___sys_sendmsg+0xee/0x170 [ 264.302337][ T10] __sys_sendmsg+0xcd/0x170 [ 264.302337][ T10] do_syscall_64+0xc6/0x1e0 [ 264.302337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.302337][ T10] [ 264.304304][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 264.304304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.304304][ T10] ipv6_find_idev+0x102/0x170 [ 264.304304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.304304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.304304][ T10] netlink_rcv_skb+0x130/0x360 [ 264.304304][ T10] netlink_unicast+0x449/0x710 [ 264.304304][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.304304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.304304][ T10] ___sys_sendmsg+0xee/0x170 [ 264.304304][ T10] __sys_sendmsg+0xcd/0x170 [ 264.304304][ T10] do_syscall_64+0xc6/0x1e0 [ 264.304304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.304304][ T10] [ 264.305806][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 264.305806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.305806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.305806][ T10] ipv6_find_idev+0x102/0x170 [ 264.305806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.305806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.305806][ T10] netlink_rcv_skb+0x130/0x360 [ 264.305806][ T10] netlink_unicast+0x449/0x710 [ 264.305806][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.305806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.305806][ T10] ___sys_sendmsg+0xee/0x170 [ 264.305806][ T10] __sys_sendmsg+0xcd/0x170 [ 264.305806][ T10] do_syscall_64+0xc6/0x1e0 [ 264.305806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.305806][ T10] [ 264.307446][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 264.307712][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 264.307712][ T10] netdev_get_by_index+0x5e/0x80 [ 264.307712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.307712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.307712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.307712][ T10] ipv6_add_addr+0x411/0x2000 [ 264.307712][ T10] inet6_addr_add+0x30e/0xa40 [ 264.307712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.307712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.307712][ T10] netlink_rcv_skb+0x130/0x360 [ 264.307712][ T10] netlink_unicast+0x449/0x710 [ 264.307712][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.307712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.307712][ T10] ___sys_sendmsg+0xee/0x170 [ 264.307712][ T10] __sys_sendmsg+0xcd/0x170 [ 264.307712][ T10] do_syscall_64+0xc6/0x1e0 [ 264.307712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.307712][ T10] [ 264.309640][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 264.309640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.309640][ T10] ipv6_find_idev+0x102/0x170 [ 264.309640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.309640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.309640][ T10] netlink_rcv_skb+0x130/0x360 [ 264.309640][ T10] netlink_unicast+0x449/0x710 [ 264.309640][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.309640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.309640][ T10] ___sys_sendmsg+0xee/0x170 [ 264.309640][ T10] __sys_sendmsg+0xcd/0x170 [ 264.309640][ T10] do_syscall_64+0xc6/0x1e0 [ 264.309640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.309640][ T10] [ 264.311139][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 264.311139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.311139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.311139][ T10] ipv6_find_idev+0x102/0x170 [ 264.311139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.311139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.311139][ T10] netlink_rcv_skb+0x130/0x360 [ 264.311139][ T10] netlink_unicast+0x449/0x710 [ 264.311139][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.311139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.311139][ T10] ___sys_sendmsg+0xee/0x170 [ 264.311139][ T10] __sys_sendmsg+0xcd/0x170 [ 264.311139][ T10] do_syscall_64+0xc6/0x1e0 [ 264.311139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.311139][ T10] [ 264.312807][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 264.313085][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 264.313085][ T10] netdev_get_by_index+0x5e/0x80 [ 264.313085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.313085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.313085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.313085][ T10] ipv6_add_addr+0x411/0x2000 [ 264.313085][ T10] inet6_addr_add+0x30e/0xa40 [ 264.313085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.313085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.313085][ T10] netlink_rcv_skb+0x130/0x360 [ 264.313085][ T10] netlink_unicast+0x449/0x710 [ 264.313085][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.313085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.313085][ T10] ___sys_sendmsg+0xee/0x170 [ 264.313085][ T10] __sys_sendmsg+0xcd/0x170 [ 264.313085][ T10] do_syscall_64+0xc6/0x1e0 [ 264.313085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.313085][ T10] [ 264.315047][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 264.315047][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.315047][ T10] ipv6_find_idev+0x102/0x170 [ 264.315047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.315047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.315047][ T10] netlink_rcv_skb+0x130/0x360 [ 264.315047][ T10] netlink_unicast+0x449/0x710 [ 264.315047][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.315047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.315047][ T10] ___sys_sendmsg+0xee/0x170 [ 264.315047][ T10] __sys_sendmsg+0xcd/0x170 [ 264.315047][ T10] do_syscall_64+0xc6/0x1e0 [ 264.315047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.315047][ T10] [ 264.316530][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 264.316530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.316530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.316530][ T10] ipv6_find_idev+0x102/0x170 [ 264.316530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.316530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.316530][ T10] netlink_rcv_skb+0x130/0x360 [ 264.316530][ T10] netlink_unicast+0x449/0x710 [ 264.316530][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.316530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.316530][ T10] ___sys_sendmsg+0xee/0x170 [ 264.316530][ T10] __sys_sendmsg+0xcd/0x170 [ 264.316530][ T10] do_syscall_64+0xc6/0x1e0 [ 264.316530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.316530][ T10] [ 264.318149][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 264.318426][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 264.318426][ T10] netdev_get_by_index+0x5e/0x80 [ 264.318426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.318426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.318426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.318426][ T10] ipv6_add_addr+0x411/0x2000 [ 264.318426][ T10] inet6_addr_add+0x30e/0xa40 [ 264.318426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.318426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.318426][ T10] netlink_rcv_skb+0x130/0x360 [ 264.318426][ T10] netlink_unicast+0x449/0x710 [ 264.318426][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.318426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.318426][ T10] ___sys_sendmsg+0xee/0x170 [ 264.318426][ T10] __sys_sendmsg+0xcd/0x170 [ 264.318426][ T10] do_syscall_64+0xc6/0x1e0 [ 264.318426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.318426][ T10] [ 264.320396][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 264.320396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.320396][ T10] ipv6_find_idev+0x102/0x170 [ 264.320396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.320396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.320396][ T10] netlink_rcv_skb+0x130/0x360 [ 264.320396][ T10] netlink_unicast+0x449/0x710 [ 264.320396][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.320396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.320396][ T10] ___sys_sendmsg+0xee/0x170 [ 264.320396][ T10] __sys_sendmsg+0xcd/0x170 [ 264.320396][ T10] do_syscall_64+0xc6/0x1e0 [ 264.320396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.320396][ T10] [ 264.321916][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 264.321916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.321916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.321916][ T10] ipv6_find_idev+0x102/0x170 [ 264.321916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.321916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.321916][ T10] netlink_rcv_skb+0x130/0x360 [ 264.321916][ T10] netlink_unicast+0x449/0x710 [ 264.321916][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.321916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.321916][ T10] ___sys_sendmsg+0xee/0x170 [ 264.321916][ T10] __sys_sendmsg+0xcd/0x170 [ 264.321916][ T10] do_syscall_64+0xc6/0x1e0 [ 264.321916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.321916][ T10] [ 264.324014][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 264.324279][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 264.324279][ T10] netdev_get_by_index+0x5e/0x80 [ 264.324279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.324279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.324279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.324279][ T10] ipv6_add_addr+0x411/0x2000 [ 264.324279][ T10] inet6_addr_add+0x30e/0xa40 [ 264.324279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.324279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.324279][ T10] netlink_rcv_skb+0x130/0x360 [ 264.324279][ T10] netlink_unicast+0x449/0x710 [ 264.324279][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.324279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.324279][ T10] ___sys_sendmsg+0xee/0x170 [ 264.324279][ T10] __sys_sendmsg+0xcd/0x170 [ 264.324279][ T10] do_syscall_64+0xc6/0x1e0 [ 264.324279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.324279][ T10] [ 264.326203][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 264.326203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.326203][ T10] ipv6_find_idev+0x102/0x170 [ 264.326203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.326203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.326203][ T10] netlink_rcv_skb+0x130/0x360 [ 264.326203][ T10] netlink_unicast+0x449/0x710 [ 264.326203][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.326203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.326203][ T10] ___sys_sendmsg+0xee/0x170 [ 264.326203][ T10] __sys_sendmsg+0xcd/0x170 [ 264.326203][ T10] do_syscall_64+0xc6/0x1e0 [ 264.326203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.326203][ T10] [ 264.327806][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 264.327806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.327806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.327806][ T10] ipv6_find_idev+0x102/0x170 [ 264.327806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.327806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.327806][ T10] netlink_rcv_skb+0x130/0x360 [ 264.327806][ T10] netlink_unicast+0x449/0x710 [ 264.327806][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.327806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.327806][ T10] ___sys_sendmsg+0xee/0x170 [ 264.327806][ T10] __sys_sendmsg+0xcd/0x170 [ 264.327806][ T10] do_syscall_64+0xc6/0x1e0 [ 264.327806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.327806][ T10] [ 264.329531][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 264.329798][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 264.329798][ T10] netdev_get_by_index+0x5e/0x80 [ 264.329798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.329798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.329798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.329798][ T10] ipv6_add_addr+0x411/0x2000 [ 264.329798][ T10] inet6_addr_add+0x30e/0xa40 [ 264.329798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.329798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.329798][ T10] netlink_rcv_skb+0x130/0x360 [ 264.329798][ T10] netlink_unicast+0x449/0x710 [ 264.329798][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.329798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.329798][ T10] ___sys_sendmsg+0xee/0x170 [ 264.329798][ T10] __sys_sendmsg+0xcd/0x170 [ 264.329798][ T10] do_syscall_64+0xc6/0x1e0 [ 264.329798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.329798][ T10] [ 264.331893][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 264.331893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.331893][ T10] ipv6_find_idev+0x102/0x170 [ 264.331893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.331893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.331893][ T10] netlink_rcv_skb+0x130/0x360 [ 264.331893][ T10] netlink_unicast+0x449/0x710 [ 264.331893][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.331893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.331893][ T10] ___sys_sendmsg+0xee/0x170 [ 264.331893][ T10] __sys_sendmsg+0xcd/0x170 [ 264.331893][ T10] do_syscall_64+0xc6/0x1e0 [ 264.331893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.331893][ T10] [ 264.333648][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 264.333648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.333648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.333648][ T10] ipv6_find_idev+0x102/0x170 [ 264.333648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.333648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.333648][ T10] netlink_rcv_skb+0x130/0x360 [ 264.333648][ T10] netlink_unicast+0x449/0x710 [ 264.333648][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.333648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.333648][ T10] ___sys_sendmsg+0xee/0x170 [ 264.333648][ T10] __sys_sendmsg+0xcd/0x170 [ 264.333648][ T10] do_syscall_64+0xc6/0x1e0 [ 264.333648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.333648][ T10] [ 264.335541][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 264.335807][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 264.335807][ T10] netdev_get_by_index+0x5e/0x80 [ 264.335807][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.335807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.335807][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.335807][ T10] ipv6_add_addr+0x411/0x2000 [ 264.335807][ T10] inet6_addr_add+0x30e/0xa40 [ 264.335807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.335807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.335807][ T10] netlink_rcv_skb+0x130/0x360 [ 264.335807][ T10] netlink_unicast+0x449/0x710 [ 264.335807][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.335807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.335807][ T10] ___sys_sendmsg+0xee/0x170 [ 264.335807][ T10] __sys_sendmsg+0xcd/0x170 [ 264.335807][ T10] do_syscall_64+0xc6/0x1e0 [ 264.335807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.335807][ T10] [ 264.337933][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 264.337933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.337933][ T10] ipv6_find_idev+0x102/0x170 [ 264.337933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.337933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.337933][ T10] netlink_rcv_skb+0x130/0x360 [ 264.337933][ T10] netlink_unicast+0x449/0x710 [ 264.337933][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.337933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.337933][ T10] ___sys_sendmsg+0xee/0x170 [ 264.337933][ T10] __sys_sendmsg+0xcd/0x170 [ 264.337933][ T10] do_syscall_64+0xc6/0x1e0 [ 264.337933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.337933][ T10] [ 264.339592][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 264.339592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.339592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.339592][ T10] ipv6_find_idev+0x102/0x170 [ 264.339592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.339592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.339592][ T10] netlink_rcv_skb+0x130/0x360 [ 264.339592][ T10] netlink_unicast+0x449/0x710 [ 264.339592][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.339592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.339592][ T10] ___sys_sendmsg+0xee/0x170 [ 264.339592][ T10] __sys_sendmsg+0xcd/0x170 [ 264.339592][ T10] do_syscall_64+0xc6/0x1e0 [ 264.339592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.339592][ T10] [ 264.341493][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 264.341750][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 264.341750][ T10] netdev_get_by_index+0x5e/0x80 [ 264.341750][ T10] fib6_nh_init+0x3d8/0x15b0 [ 264.341750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 264.341750][ T10] addrconf_f6i_alloc+0x244/0x410 [ 264.341750][ T10] ipv6_add_addr+0x411/0x2000 [ 264.341750][ T10] inet6_addr_add+0x30e/0xa40 [ 264.341750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 264.341750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.341750][ T10] netlink_rcv_skb+0x130/0x360 [ 264.341750][ T10] netlink_unicast+0x449/0x710 [ 264.341750][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.341750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.341750][ T10] ___sys_sendmsg+0xee/0x170 [ 264.341750][ T10] __sys_sendmsg+0xcd/0x170 [ 264.341750][ T10] do_syscall_64+0xc6/0x1e0 [ 264.341750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.341750][ T10] [ 264.344045][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 264.344045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 264.344045][ T10] ipv6_find_idev+0x102/0x170 [ 264.344045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.344045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.344045][ T10] netlink_rcv_skb+0x130/0x360 [ 264.344045][ T10] netlink_unicast+0x449/0x710 [ 264.344045][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.344045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.344045][ T10] ___sys_sendmsg+0xee/0x170 [ 264.344045][ T10] __sys_sendmsg+0xcd/0x170 [ 264.344045][ T10] do_syscall_64+0xc6/0x1e0 [ 264.344045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.344045][ T10] [ 264.345777][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 264.345777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 264.345777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 264.345777][ T10] ipv6_find_idev+0x102/0x170 [ 264.345777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 264.345777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 264.345777][ T10] netlink_rcv_skb+0x130/0x360 [ 264.345777][ T10] netlink_unicast+0x449/0x710 [ 264.345777][ T10] netlink_sendmsg+0x723/0xbe0 [ 264.345777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 264.345777][ T10] ___sys_sendmsg+0xee/0x170 [ 264.345777][ T10] __sys_sendmsg+0xcd/0x170 [ 264.345777][ T10] do_syscall_64+0xc6/0x1e0 [ 264.345777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 264.345777][ T10] [ 274.413911][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 274.414368][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 274.414368][ T10] netdev_get_by_index+0x5e/0x80 [ 274.414368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.414368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.414368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.414368][ T10] ipv6_add_addr+0x411/0x2000 [ 274.414368][ T10] inet6_addr_add+0x30e/0xa40 [ 274.414368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.414368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.414368][ T10] netlink_rcv_skb+0x130/0x360 [ 274.414368][ T10] netlink_unicast+0x449/0x710 [ 274.414368][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.414368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.414368][ T10] ___sys_sendmsg+0xee/0x170 [ 274.414368][ T10] __sys_sendmsg+0xcd/0x170 [ 274.414368][ T10] do_syscall_64+0xc6/0x1e0 [ 274.414368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.414368][ T10] [ 274.416651][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 274.416651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.416651][ T10] ipv6_find_idev+0x102/0x170 [ 274.416651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.416651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.416651][ T10] netlink_rcv_skb+0x130/0x360 [ 274.416651][ T10] netlink_unicast+0x449/0x710 [ 274.416651][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.416651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.416651][ T10] ___sys_sendmsg+0xee/0x170 [ 274.416651][ T10] __sys_sendmsg+0xcd/0x170 [ 274.416651][ T10] do_syscall_64+0xc6/0x1e0 [ 274.416651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.416651][ T10] [ 274.418376][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 274.418376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.418376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.418376][ T10] ipv6_find_idev+0x102/0x170 [ 274.418376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.418376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.418376][ T10] netlink_rcv_skb+0x130/0x360 [ 274.418376][ T10] netlink_unicast+0x449/0x710 [ 274.418376][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.418376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.418376][ T10] ___sys_sendmsg+0xee/0x170 [ 274.418376][ T10] __sys_sendmsg+0xcd/0x170 [ 274.418376][ T10] do_syscall_64+0xc6/0x1e0 [ 274.418376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.418376][ T10] [ 274.420290][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 274.420648][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 274.420648][ T10] netdev_get_by_index+0x5e/0x80 [ 274.420648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.420648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.420648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.420648][ T10] ipv6_add_addr+0x411/0x2000 [ 274.420648][ T10] inet6_addr_add+0x30e/0xa40 [ 274.420648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.420648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.420648][ T10] netlink_rcv_skb+0x130/0x360 [ 274.420648][ T10] netlink_unicast+0x449/0x710 [ 274.420648][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.420648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.420648][ T10] ___sys_sendmsg+0xee/0x170 [ 274.420648][ T10] __sys_sendmsg+0xcd/0x170 [ 274.420648][ T10] do_syscall_64+0xc6/0x1e0 [ 274.420648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.420648][ T10] [ 274.422872][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 274.422872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.422872][ T10] ipv6_find_idev+0x102/0x170 [ 274.422872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.422872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.422872][ T10] netlink_rcv_skb+0x130/0x360 [ 274.422872][ T10] netlink_unicast+0x449/0x710 [ 274.422872][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.422872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.422872][ T10] ___sys_sendmsg+0xee/0x170 [ 274.422872][ T10] __sys_sendmsg+0xcd/0x170 [ 274.422872][ T10] do_syscall_64+0xc6/0x1e0 [ 274.422872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.422872][ T10] [ 274.424540][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 274.424540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.424540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.424540][ T10] ipv6_find_idev+0x102/0x170 [ 274.424540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.424540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.424540][ T10] netlink_rcv_skb+0x130/0x360 [ 274.424540][ T10] netlink_unicast+0x449/0x710 [ 274.424540][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.424540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.424540][ T10] ___sys_sendmsg+0xee/0x170 [ 274.424540][ T10] __sys_sendmsg+0xcd/0x170 [ 274.424540][ T10] do_syscall_64+0xc6/0x1e0 [ 274.424540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.424540][ T10] [ 274.426462][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 274.426750][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 274.426750][ T10] netdev_get_by_index+0x5e/0x80 [ 274.426750][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.426750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.426750][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.426750][ T10] ipv6_add_addr+0x411/0x2000 [ 274.426750][ T10] inet6_addr_add+0x30e/0xa40 [ 274.426750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.426750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.426750][ T10] netlink_rcv_skb+0x130/0x360 [ 274.426750][ T10] netlink_unicast+0x449/0x710 [ 274.426750][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.426750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.426750][ T10] ___sys_sendmsg+0xee/0x170 [ 274.426750][ T10] __sys_sendmsg+0xcd/0x170 [ 274.426750][ T10] do_syscall_64+0xc6/0x1e0 [ 274.426750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.426750][ T10] [ 274.429014][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 274.429014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.429014][ T10] ipv6_find_idev+0x102/0x170 [ 274.429014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.429014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.429014][ T10] netlink_rcv_skb+0x130/0x360 [ 274.429014][ T10] netlink_unicast+0x449/0x710 [ 274.429014][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.429014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.429014][ T10] ___sys_sendmsg+0xee/0x170 [ 274.429014][ T10] __sys_sendmsg+0xcd/0x170 [ 274.429014][ T10] do_syscall_64+0xc6/0x1e0 [ 274.429014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.429014][ T10] [ 274.430736][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 274.430736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.430736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.430736][ T10] ipv6_find_idev+0x102/0x170 [ 274.430736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.430736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.430736][ T10] netlink_rcv_skb+0x130/0x360 [ 274.430736][ T10] netlink_unicast+0x449/0x710 [ 274.430736][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.430736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.430736][ T10] ___sys_sendmsg+0xee/0x170 [ 274.430736][ T10] __sys_sendmsg+0xcd/0x170 [ 274.430736][ T10] do_syscall_64+0xc6/0x1e0 [ 274.430736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.430736][ T10] [ 274.432596][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 274.433341][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 274.433341][ T10] netdev_get_by_index+0x5e/0x80 [ 274.433341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.433341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.433341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.433341][ T10] ipv6_add_addr+0x411/0x2000 [ 274.433341][ T10] inet6_addr_add+0x30e/0xa40 [ 274.433341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.433341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.433341][ T10] netlink_rcv_skb+0x130/0x360 [ 274.433341][ T10] netlink_unicast+0x449/0x710 [ 274.433341][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.433341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.433341][ T10] ___sys_sendmsg+0xee/0x170 [ 274.433341][ T10] __sys_sendmsg+0xcd/0x170 [ 274.433341][ T10] do_syscall_64+0xc6/0x1e0 [ 274.433341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.433341][ T10] [ 274.435577][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 274.435577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.435577][ T10] ipv6_find_idev+0x102/0x170 [ 274.435577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.435577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.435577][ T10] netlink_rcv_skb+0x130/0x360 [ 274.435577][ T10] netlink_unicast+0x449/0x710 [ 274.435577][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.435577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.435577][ T10] ___sys_sendmsg+0xee/0x170 [ 274.435577][ T10] __sys_sendmsg+0xcd/0x170 [ 274.435577][ T10] do_syscall_64+0xc6/0x1e0 [ 274.435577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.435577][ T10] [ 274.437241][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 274.437241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.437241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.437241][ T10] ipv6_find_idev+0x102/0x170 [ 274.437241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.437241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.437241][ T10] netlink_rcv_skb+0x130/0x360 [ 274.437241][ T10] netlink_unicast+0x449/0x710 [ 274.437241][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.437241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.437241][ T10] ___sys_sendmsg+0xee/0x170 [ 274.437241][ T10] __sys_sendmsg+0xcd/0x170 [ 274.437241][ T10] do_syscall_64+0xc6/0x1e0 [ 274.437241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.437241][ T10] [ 274.439138][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 274.439423][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 274.439423][ T10] netdev_get_by_index+0x5e/0x80 [ 274.439423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.439423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.439423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.439423][ T10] ipv6_add_addr+0x411/0x2000 [ 274.439423][ T10] inet6_addr_add+0x30e/0xa40 [ 274.439423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.439423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.439423][ T10] netlink_rcv_skb+0x130/0x360 [ 274.439423][ T10] netlink_unicast+0x449/0x710 [ 274.439423][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.439423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.439423][ T10] ___sys_sendmsg+0xee/0x170 [ 274.439423][ T10] __sys_sendmsg+0xcd/0x170 [ 274.439423][ T10] do_syscall_64+0xc6/0x1e0 [ 274.439423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.439423][ T10] [ 274.441658][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 274.441658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.441658][ T10] ipv6_find_idev+0x102/0x170 [ 274.441658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.441658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.441658][ T10] netlink_rcv_skb+0x130/0x360 [ 274.441658][ T10] netlink_unicast+0x449/0x710 [ 274.441658][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.441658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.441658][ T10] ___sys_sendmsg+0xee/0x170 [ 274.441658][ T10] __sys_sendmsg+0xcd/0x170 [ 274.441658][ T10] do_syscall_64+0xc6/0x1e0 [ 274.441658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.441658][ T10] [ 274.443196][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 274.443196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.443196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.443196][ T10] ipv6_find_idev+0x102/0x170 [ 274.443196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.443196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.443196][ T10] netlink_rcv_skb+0x130/0x360 [ 274.443196][ T10] netlink_unicast+0x449/0x710 [ 274.443196][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.443196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.443196][ T10] ___sys_sendmsg+0xee/0x170 [ 274.443196][ T10] __sys_sendmsg+0xcd/0x170 [ 274.443196][ T10] do_syscall_64+0xc6/0x1e0 [ 274.443196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.443196][ T10] [ 274.444877][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 274.445138][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 274.445138][ T10] netdev_get_by_index+0x5e/0x80 [ 274.445138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.445138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.445138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.445138][ T10] ipv6_add_addr+0x411/0x2000 [ 274.445138][ T10] inet6_addr_add+0x30e/0xa40 [ 274.445138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.445138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.445138][ T10] netlink_rcv_skb+0x130/0x360 [ 274.445138][ T10] netlink_unicast+0x449/0x710 [ 274.445138][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.445138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.445138][ T10] ___sys_sendmsg+0xee/0x170 [ 274.445138][ T10] __sys_sendmsg+0xcd/0x170 [ 274.445138][ T10] do_syscall_64+0xc6/0x1e0 [ 274.445138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.445138][ T10] [ 274.447180][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 274.447180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.447180][ T10] ipv6_find_idev+0x102/0x170 [ 274.447180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.447180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.447180][ T10] netlink_rcv_skb+0x130/0x360 [ 274.447180][ T10] netlink_unicast+0x449/0x710 [ 274.447180][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.447180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.447180][ T10] ___sys_sendmsg+0xee/0x170 [ 274.447180][ T10] __sys_sendmsg+0xcd/0x170 [ 274.447180][ T10] do_syscall_64+0xc6/0x1e0 [ 274.447180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.447180][ T10] [ 274.448820][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 274.448820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.448820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.448820][ T10] ipv6_find_idev+0x102/0x170 [ 274.448820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.448820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.448820][ T10] netlink_rcv_skb+0x130/0x360 [ 274.448820][ T10] netlink_unicast+0x449/0x710 [ 274.448820][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.448820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.448820][ T10] ___sys_sendmsg+0xee/0x170 [ 274.448820][ T10] __sys_sendmsg+0xcd/0x170 [ 274.448820][ T10] do_syscall_64+0xc6/0x1e0 [ 274.448820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.448820][ T10] [ 274.450630][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 274.450975][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 274.450975][ T10] netdev_get_by_index+0x5e/0x80 [ 274.450975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.450975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.450975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.450975][ T10] ipv6_add_addr+0x411/0x2000 [ 274.450975][ T10] inet6_addr_add+0x30e/0xa40 [ 274.450975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.450975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.450975][ T10] netlink_rcv_skb+0x130/0x360 [ 274.450975][ T10] netlink_unicast+0x449/0x710 [ 274.450975][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.450975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.450975][ T10] ___sys_sendmsg+0xee/0x170 [ 274.450975][ T10] __sys_sendmsg+0xcd/0x170 [ 274.450975][ T10] do_syscall_64+0xc6/0x1e0 [ 274.450975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.450975][ T10] [ 274.452997][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 274.452997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.452997][ T10] ipv6_find_idev+0x102/0x170 [ 274.452997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.452997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.452997][ T10] netlink_rcv_skb+0x130/0x360 [ 274.452997][ T10] netlink_unicast+0x449/0x710 [ 274.452997][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.452997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.452997][ T10] ___sys_sendmsg+0xee/0x170 [ 274.452997][ T10] __sys_sendmsg+0xcd/0x170 [ 274.452997][ T10] do_syscall_64+0xc6/0x1e0 [ 274.452997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.452997][ T10] [ 274.454599][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 274.454599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.454599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.454599][ T10] ipv6_find_idev+0x102/0x170 [ 274.454599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.454599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.454599][ T10] netlink_rcv_skb+0x130/0x360 [ 274.454599][ T10] netlink_unicast+0x449/0x710 [ 274.454599][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.454599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.454599][ T10] ___sys_sendmsg+0xee/0x170 [ 274.454599][ T10] __sys_sendmsg+0xcd/0x170 [ 274.454599][ T10] do_syscall_64+0xc6/0x1e0 [ 274.454599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.454599][ T10] [ 274.456391][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 274.456675][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 274.456675][ T10] netdev_get_by_index+0x5e/0x80 [ 274.456675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 274.456675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 274.456675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 274.456675][ T10] ipv6_add_addr+0x411/0x2000 [ 274.456675][ T10] inet6_addr_add+0x30e/0xa40 [ 274.456675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 274.456675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.456675][ T10] netlink_rcv_skb+0x130/0x360 [ 274.456675][ T10] netlink_unicast+0x449/0x710 [ 274.456675][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.456675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.456675][ T10] ___sys_sendmsg+0xee/0x170 [ 274.456675][ T10] __sys_sendmsg+0xcd/0x170 [ 274.456675][ T10] do_syscall_64+0xc6/0x1e0 [ 274.456675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.456675][ T10] [ 274.459041][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 274.459041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 274.459041][ T10] ipv6_find_idev+0x102/0x170 [ 274.459041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.459041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.459041][ T10] netlink_rcv_skb+0x130/0x360 [ 274.459041][ T10] netlink_unicast+0x449/0x710 [ 274.459041][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.459041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.459041][ T10] ___sys_sendmsg+0xee/0x170 [ 274.459041][ T10] __sys_sendmsg+0xcd/0x170 [ 274.459041][ T10] do_syscall_64+0xc6/0x1e0 [ 274.459041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.459041][ T10] [ 274.460826][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 274.460826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 274.460826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 274.460826][ T10] ipv6_find_idev+0x102/0x170 [ 274.460826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 274.460826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 274.460826][ T10] netlink_rcv_skb+0x130/0x360 [ 274.460826][ T10] netlink_unicast+0x449/0x710 [ 274.460826][ T10] netlink_sendmsg+0x723/0xbe0 [ 274.460826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 274.460826][ T10] ___sys_sendmsg+0xee/0x170 [ 274.460826][ T10] __sys_sendmsg+0xcd/0x170 [ 274.460826][ T10] do_syscall_64+0xc6/0x1e0 [ 274.460826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 274.460826][ T10] [ 284.701922][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 284.702433][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 284.702433][ T10] netdev_get_by_index+0x5e/0x80 [ 284.702433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.702433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.702433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.702433][ T10] ipv6_add_addr+0x411/0x2000 [ 284.702433][ T10] inet6_addr_add+0x30e/0xa40 [ 284.702433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.702433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.702433][ T10] netlink_rcv_skb+0x130/0x360 [ 284.702433][ T10] netlink_unicast+0x449/0x710 [ 284.702433][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.702433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.702433][ T10] ___sys_sendmsg+0xee/0x170 [ 284.702433][ T10] __sys_sendmsg+0xcd/0x170 [ 284.702433][ T10] do_syscall_64+0xc6/0x1e0 [ 284.702433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.702433][ T10] [ 284.704382][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 284.704382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.704382][ T10] ipv6_find_idev+0x102/0x170 [ 284.704382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.704382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.704382][ T10] netlink_rcv_skb+0x130/0x360 [ 284.704382][ T10] netlink_unicast+0x449/0x710 [ 284.704382][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.704382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.704382][ T10] ___sys_sendmsg+0xee/0x170 [ 284.704382][ T10] __sys_sendmsg+0xcd/0x170 [ 284.704382][ T10] do_syscall_64+0xc6/0x1e0 [ 284.704382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.704382][ T10] [ 284.705923][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 284.705923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.705923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.705923][ T10] ipv6_find_idev+0x102/0x170 [ 284.705923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.705923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.705923][ T10] netlink_rcv_skb+0x130/0x360 [ 284.705923][ T10] netlink_unicast+0x449/0x710 [ 284.705923][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.705923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.705923][ T10] ___sys_sendmsg+0xee/0x170 [ 284.705923][ T10] __sys_sendmsg+0xcd/0x170 [ 284.705923][ T10] do_syscall_64+0xc6/0x1e0 [ 284.705923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.705923][ T10] [ 284.707582][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 284.707865][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 284.707865][ T10] netdev_get_by_index+0x5e/0x80 [ 284.707865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.707865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.707865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.707865][ T10] ipv6_add_addr+0x411/0x2000 [ 284.707865][ T10] inet6_addr_add+0x30e/0xa40 [ 284.707865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.707865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.707865][ T10] netlink_rcv_skb+0x130/0x360 [ 284.707865][ T10] netlink_unicast+0x449/0x710 [ 284.707865][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.707865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.707865][ T10] ___sys_sendmsg+0xee/0x170 [ 284.707865][ T10] __sys_sendmsg+0xcd/0x170 [ 284.707865][ T10] do_syscall_64+0xc6/0x1e0 [ 284.707865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.707865][ T10] [ 284.709858][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 284.709858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.709858][ T10] ipv6_find_idev+0x102/0x170 [ 284.709858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.709858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.709858][ T10] netlink_rcv_skb+0x130/0x360 [ 284.709858][ T10] netlink_unicast+0x449/0x710 [ 284.709858][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.709858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.709858][ T10] ___sys_sendmsg+0xee/0x170 [ 284.709858][ T10] __sys_sendmsg+0xcd/0x170 [ 284.709858][ T10] do_syscall_64+0xc6/0x1e0 [ 284.709858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.709858][ T10] [ 284.711400][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 284.711400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.711400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.711400][ T10] ipv6_find_idev+0x102/0x170 [ 284.711400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.711400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.711400][ T10] netlink_rcv_skb+0x130/0x360 [ 284.711400][ T10] netlink_unicast+0x449/0x710 [ 284.711400][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.711400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.711400][ T10] ___sys_sendmsg+0xee/0x170 [ 284.711400][ T10] __sys_sendmsg+0xcd/0x170 [ 284.711400][ T10] do_syscall_64+0xc6/0x1e0 [ 284.711400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.711400][ T10] [ 284.713050][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 284.713312][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 284.713312][ T10] netdev_get_by_index+0x5e/0x80 [ 284.713312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.713312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.713312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.713312][ T10] ipv6_add_addr+0x411/0x2000 [ 284.713312][ T10] inet6_addr_add+0x30e/0xa40 [ 284.713312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.713312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.713312][ T10] netlink_rcv_skb+0x130/0x360 [ 284.713312][ T10] netlink_unicast+0x449/0x710 [ 284.713312][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.713312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.713312][ T10] ___sys_sendmsg+0xee/0x170 [ 284.713312][ T10] __sys_sendmsg+0xcd/0x170 [ 284.713312][ T10] do_syscall_64+0xc6/0x1e0 [ 284.713312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.713312][ T10] [ 284.715237][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 284.715237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.715237][ T10] ipv6_find_idev+0x102/0x170 [ 284.715237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.715237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.715237][ T10] netlink_rcv_skb+0x130/0x360 [ 284.715237][ T10] netlink_unicast+0x449/0x710 [ 284.715237][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.715237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.715237][ T10] ___sys_sendmsg+0xee/0x170 [ 284.715237][ T10] __sys_sendmsg+0xcd/0x170 [ 284.715237][ T10] do_syscall_64+0xc6/0x1e0 [ 284.715237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.715237][ T10] [ 284.716718][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 284.716718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.716718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.716718][ T10] ipv6_find_idev+0x102/0x170 [ 284.716718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.716718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.716718][ T10] netlink_rcv_skb+0x130/0x360 [ 284.716718][ T10] netlink_unicast+0x449/0x710 [ 284.716718][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.716718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.716718][ T10] ___sys_sendmsg+0xee/0x170 [ 284.716718][ T10] __sys_sendmsg+0xcd/0x170 [ 284.716718][ T10] do_syscall_64+0xc6/0x1e0 [ 284.716718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.716718][ T10] [ 284.718338][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 284.718598][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 284.718598][ T10] netdev_get_by_index+0x5e/0x80 [ 284.718598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.718598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.718598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.718598][ T10] ipv6_add_addr+0x411/0x2000 [ 284.718598][ T10] inet6_addr_add+0x30e/0xa40 [ 284.718598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.718598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.718598][ T10] netlink_rcv_skb+0x130/0x360 [ 284.718598][ T10] netlink_unicast+0x449/0x710 [ 284.718598][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.718598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.718598][ T10] ___sys_sendmsg+0xee/0x170 [ 284.718598][ T10] __sys_sendmsg+0xcd/0x170 [ 284.718598][ T10] do_syscall_64+0xc6/0x1e0 [ 284.718598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.718598][ T10] [ 284.720550][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 284.720550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.720550][ T10] ipv6_find_idev+0x102/0x170 [ 284.720550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.720550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.720550][ T10] netlink_rcv_skb+0x130/0x360 [ 284.720550][ T10] netlink_unicast+0x449/0x710 [ 284.720550][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.720550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.720550][ T10] ___sys_sendmsg+0xee/0x170 [ 284.720550][ T10] __sys_sendmsg+0xcd/0x170 [ 284.720550][ T10] do_syscall_64+0xc6/0x1e0 [ 284.720550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.720550][ T10] [ 284.722078][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 284.722078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.722078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.722078][ T10] ipv6_find_idev+0x102/0x170 [ 284.722078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.722078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.722078][ T10] netlink_rcv_skb+0x130/0x360 [ 284.722078][ T10] netlink_unicast+0x449/0x710 [ 284.722078][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.722078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.722078][ T10] ___sys_sendmsg+0xee/0x170 [ 284.722078][ T10] __sys_sendmsg+0xcd/0x170 [ 284.722078][ T10] do_syscall_64+0xc6/0x1e0 [ 284.722078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.722078][ T10] [ 284.724170][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 284.724435][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 284.724435][ T10] netdev_get_by_index+0x5e/0x80 [ 284.724435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.724435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.724435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.724435][ T10] ipv6_add_addr+0x411/0x2000 [ 284.724435][ T10] inet6_addr_add+0x30e/0xa40 [ 284.724435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.724435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.724435][ T10] netlink_rcv_skb+0x130/0x360 [ 284.724435][ T10] netlink_unicast+0x449/0x710 [ 284.724435][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.724435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.724435][ T10] ___sys_sendmsg+0xee/0x170 [ 284.724435][ T10] __sys_sendmsg+0xcd/0x170 [ 284.724435][ T10] do_syscall_64+0xc6/0x1e0 [ 284.724435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.724435][ T10] [ 284.726411][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 284.726411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.726411][ T10] ipv6_find_idev+0x102/0x170 [ 284.726411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.726411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.726411][ T10] netlink_rcv_skb+0x130/0x360 [ 284.726411][ T10] netlink_unicast+0x449/0x710 [ 284.726411][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.726411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.726411][ T10] ___sys_sendmsg+0xee/0x170 [ 284.726411][ T10] __sys_sendmsg+0xcd/0x170 [ 284.726411][ T10] do_syscall_64+0xc6/0x1e0 [ 284.726411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.726411][ T10] [ 284.727941][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 284.727941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.727941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.727941][ T10] ipv6_find_idev+0x102/0x170 [ 284.727941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.727941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.727941][ T10] netlink_rcv_skb+0x130/0x360 [ 284.727941][ T10] netlink_unicast+0x449/0x710 [ 284.727941][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.727941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.727941][ T10] ___sys_sendmsg+0xee/0x170 [ 284.727941][ T10] __sys_sendmsg+0xcd/0x170 [ 284.727941][ T10] do_syscall_64+0xc6/0x1e0 [ 284.727941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.727941][ T10] [ 284.729654][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 284.729976][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 284.729976][ T10] netdev_get_by_index+0x5e/0x80 [ 284.729976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.729976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.729976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.729976][ T10] ipv6_add_addr+0x411/0x2000 [ 284.729976][ T10] inet6_addr_add+0x30e/0xa40 [ 284.729976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.729976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.729976][ T10] netlink_rcv_skb+0x130/0x360 [ 284.729976][ T10] netlink_unicast+0x449/0x710 [ 284.729976][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.729976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.729976][ T10] ___sys_sendmsg+0xee/0x170 [ 284.729976][ T10] __sys_sendmsg+0xcd/0x170 [ 284.729976][ T10] do_syscall_64+0xc6/0x1e0 [ 284.729976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.729976][ T10] [ 284.732040][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 284.732040][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.732040][ T10] ipv6_find_idev+0x102/0x170 [ 284.732040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.732040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.732040][ T10] netlink_rcv_skb+0x130/0x360 [ 284.732040][ T10] netlink_unicast+0x449/0x710 [ 284.732040][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.732040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.732040][ T10] ___sys_sendmsg+0xee/0x170 [ 284.732040][ T10] __sys_sendmsg+0xcd/0x170 [ 284.732040][ T10] do_syscall_64+0xc6/0x1e0 [ 284.732040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.732040][ T10] [ 284.733707][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 284.733707][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.733707][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.733707][ T10] ipv6_find_idev+0x102/0x170 [ 284.733707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.733707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.733707][ T10] netlink_rcv_skb+0x130/0x360 [ 284.733707][ T10] netlink_unicast+0x449/0x710 [ 284.733707][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.733707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.733707][ T10] ___sys_sendmsg+0xee/0x170 [ 284.733707][ T10] __sys_sendmsg+0xcd/0x170 [ 284.733707][ T10] do_syscall_64+0xc6/0x1e0 [ 284.733707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.733707][ T10] [ 284.735662][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 284.735965][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 284.735965][ T10] netdev_get_by_index+0x5e/0x80 [ 284.735965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.735965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.735965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.735965][ T10] ipv6_add_addr+0x411/0x2000 [ 284.735965][ T10] inet6_addr_add+0x30e/0xa40 [ 284.735965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.735965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.735965][ T10] netlink_rcv_skb+0x130/0x360 [ 284.735965][ T10] netlink_unicast+0x449/0x710 [ 284.735965][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.735965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.735965][ T10] ___sys_sendmsg+0xee/0x170 [ 284.735965][ T10] __sys_sendmsg+0xcd/0x170 [ 284.735965][ T10] do_syscall_64+0xc6/0x1e0 [ 284.735965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.735965][ T10] [ 284.738063][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 284.738063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.738063][ T10] ipv6_find_idev+0x102/0x170 [ 284.738063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.738063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.738063][ T10] netlink_rcv_skb+0x130/0x360 [ 284.738063][ T10] netlink_unicast+0x449/0x710 [ 284.738063][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.738063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.738063][ T10] ___sys_sendmsg+0xee/0x170 [ 284.738063][ T10] __sys_sendmsg+0xcd/0x170 [ 284.738063][ T10] do_syscall_64+0xc6/0x1e0 [ 284.738063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.738063][ T10] [ 284.739717][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 284.739717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.739717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.739717][ T10] ipv6_find_idev+0x102/0x170 [ 284.739717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.739717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.739717][ T10] netlink_rcv_skb+0x130/0x360 [ 284.739717][ T10] netlink_unicast+0x449/0x710 [ 284.739717][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.739717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.739717][ T10] ___sys_sendmsg+0xee/0x170 [ 284.739717][ T10] __sys_sendmsg+0xcd/0x170 [ 284.739717][ T10] do_syscall_64+0xc6/0x1e0 [ 284.739717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.739717][ T10] [ 284.741619][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 284.741939][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 284.741939][ T10] netdev_get_by_index+0x5e/0x80 [ 284.741939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 284.741939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 284.741939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 284.741939][ T10] ipv6_add_addr+0x411/0x2000 [ 284.741939][ T10] inet6_addr_add+0x30e/0xa40 [ 284.741939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 284.741939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.741939][ T10] netlink_rcv_skb+0x130/0x360 [ 284.741939][ T10] netlink_unicast+0x449/0x710 [ 284.741939][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.741939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.741939][ T10] ___sys_sendmsg+0xee/0x170 [ 284.741939][ T10] __sys_sendmsg+0xcd/0x170 [ 284.741939][ T10] do_syscall_64+0xc6/0x1e0 [ 284.741939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.741939][ T10] [ 284.744039][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 284.744039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 284.744039][ T10] ipv6_find_idev+0x102/0x170 [ 284.744039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.744039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.744039][ T10] netlink_rcv_skb+0x130/0x360 [ 284.744039][ T10] netlink_unicast+0x449/0x710 [ 284.744039][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.744039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.744039][ T10] ___sys_sendmsg+0xee/0x170 [ 284.744039][ T10] __sys_sendmsg+0xcd/0x170 [ 284.744039][ T10] do_syscall_64+0xc6/0x1e0 [ 284.744039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.744039][ T10] [ 284.745753][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 284.745753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 284.745753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 284.745753][ T10] ipv6_find_idev+0x102/0x170 [ 284.745753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 284.745753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 284.745753][ T10] netlink_rcv_skb+0x130/0x360 [ 284.745753][ T10] netlink_unicast+0x449/0x710 [ 284.745753][ T10] netlink_sendmsg+0x723/0xbe0 [ 284.745753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 284.745753][ T10] ___sys_sendmsg+0xee/0x170 [ 284.745753][ T10] __sys_sendmsg+0xcd/0x170 [ 284.745753][ T10] do_syscall_64+0xc6/0x1e0 [ 284.745753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 284.745753][ T10] [ 294.989902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 294.990353][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 294.990353][ T10] netdev_get_by_index+0x5e/0x80 [ 294.990353][ T10] fib6_nh_init+0x3d8/0x15b0 [ 294.990353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 294.990353][ T10] addrconf_f6i_alloc+0x244/0x410 [ 294.990353][ T10] ipv6_add_addr+0x411/0x2000 [ 294.990353][ T10] inet6_addr_add+0x30e/0xa40 [ 294.990353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 294.990353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 294.990353][ T10] netlink_rcv_skb+0x130/0x360 [ 294.990353][ T10] netlink_unicast+0x449/0x710 [ 294.990353][ T10] netlink_sendmsg+0x723/0xbe0 [ 294.990353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 294.990353][ T10] ___sys_sendmsg+0xee/0x170 [ 294.990353][ T10] __sys_sendmsg+0xcd/0x170 [ 294.990353][ T10] do_syscall_64+0xc6/0x1e0 [ 294.990353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 294.990353][ T10] [ 294.992374][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 294.992374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 294.992374][ T10] ipv6_find_idev+0x102/0x170 [ 294.992374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 294.992374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 294.992374][ T10] netlink_rcv_skb+0x130/0x360 [ 294.992374][ T10] netlink_unicast+0x449/0x710 [ 294.992374][ T10] netlink_sendmsg+0x723/0xbe0 [ 294.992374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 294.992374][ T10] ___sys_sendmsg+0xee/0x170 [ 294.992374][ T10] __sys_sendmsg+0xcd/0x170 [ 294.992374][ T10] do_syscall_64+0xc6/0x1e0 [ 294.992374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 294.992374][ T10] [ 294.993898][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 294.993898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 294.993898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 294.993898][ T10] ipv6_find_idev+0x102/0x170 [ 294.993898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 294.993898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 294.993898][ T10] netlink_rcv_skb+0x130/0x360 [ 294.993898][ T10] netlink_unicast+0x449/0x710 [ 294.993898][ T10] netlink_sendmsg+0x723/0xbe0 [ 294.993898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 294.993898][ T10] ___sys_sendmsg+0xee/0x170 [ 294.993898][ T10] __sys_sendmsg+0xcd/0x170 [ 294.993898][ T10] do_syscall_64+0xc6/0x1e0 [ 294.993898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 294.993898][ T10] [ 294.995541][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 294.995840][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 294.995840][ T10] netdev_get_by_index+0x5e/0x80 [ 294.995840][ T10] fib6_nh_init+0x3d8/0x15b0 [ 294.995840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 294.995840][ T10] addrconf_f6i_alloc+0x244/0x410 [ 294.995840][ T10] ipv6_add_addr+0x411/0x2000 [ 294.995840][ T10] inet6_addr_add+0x30e/0xa40 [ 294.995840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 294.995840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 294.995840][ T10] netlink_rcv_skb+0x130/0x360 [ 294.995840][ T10] netlink_unicast+0x449/0x710 [ 294.995840][ T10] netlink_sendmsg+0x723/0xbe0 [ 294.995840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 294.995840][ T10] ___sys_sendmsg+0xee/0x170 [ 294.995840][ T10] __sys_sendmsg+0xcd/0x170 [ 294.995840][ T10] do_syscall_64+0xc6/0x1e0 [ 294.995840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 294.995840][ T10] [ 294.997802][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 294.997802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 294.997802][ T10] ipv6_find_idev+0x102/0x170 [ 294.997802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 294.997802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 294.997802][ T10] netlink_rcv_skb+0x130/0x360 [ 294.997802][ T10] netlink_unicast+0x449/0x710 [ 294.997802][ T10] netlink_sendmsg+0x723/0xbe0 [ 294.997802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 294.997802][ T10] ___sys_sendmsg+0xee/0x170 [ 294.997802][ T10] __sys_sendmsg+0xcd/0x170 [ 294.997802][ T10] do_syscall_64+0xc6/0x1e0 [ 294.997802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 294.997802][ T10] [ 294.999294][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 294.999294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 294.999294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 294.999294][ T10] ipv6_find_idev+0x102/0x170 [ 294.999294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 294.999294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 294.999294][ T10] netlink_rcv_skb+0x130/0x360 [ 294.999294][ T10] netlink_unicast+0x449/0x710 [ 294.999294][ T10] netlink_sendmsg+0x723/0xbe0 [ 294.999294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 294.999294][ T10] ___sys_sendmsg+0xee/0x170 [ 294.999294][ T10] __sys_sendmsg+0xcd/0x170 [ 294.999294][ T10] do_syscall_64+0xc6/0x1e0 [ 294.999294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 294.999294][ T10] [ 295.000970][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 295.001240][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 295.001240][ T10] netdev_get_by_index+0x5e/0x80 [ 295.001240][ T10] fib6_nh_init+0x3d8/0x15b0 [ 295.001240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 295.001240][ T10] addrconf_f6i_alloc+0x244/0x410 [ 295.001240][ T10] ipv6_add_addr+0x411/0x2000 [ 295.001240][ T10] inet6_addr_add+0x30e/0xa40 [ 295.001240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 295.001240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.001240][ T10] netlink_rcv_skb+0x130/0x360 [ 295.001240][ T10] netlink_unicast+0x449/0x710 [ 295.001240][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.001240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.001240][ T10] ___sys_sendmsg+0xee/0x170 [ 295.001240][ T10] __sys_sendmsg+0xcd/0x170 [ 295.001240][ T10] do_syscall_64+0xc6/0x1e0 [ 295.001240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.001240][ T10] [ 295.003237][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 295.003237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 295.003237][ T10] ipv6_find_idev+0x102/0x170 [ 295.003237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.003237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.003237][ T10] netlink_rcv_skb+0x130/0x360 [ 295.003237][ T10] netlink_unicast+0x449/0x710 [ 295.003237][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.003237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.003237][ T10] ___sys_sendmsg+0xee/0x170 [ 295.003237][ T10] __sys_sendmsg+0xcd/0x170 [ 295.003237][ T10] do_syscall_64+0xc6/0x1e0 [ 295.003237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.003237][ T10] [ 295.004777][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 295.004777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 295.004777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 295.004777][ T10] ipv6_find_idev+0x102/0x170 [ 295.004777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.004777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.004777][ T10] netlink_rcv_skb+0x130/0x360 [ 295.004777][ T10] netlink_unicast+0x449/0x710 [ 295.004777][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.004777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.004777][ T10] ___sys_sendmsg+0xee/0x170 [ 295.004777][ T10] __sys_sendmsg+0xcd/0x170 [ 295.004777][ T10] do_syscall_64+0xc6/0x1e0 [ 295.004777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.004777][ T10] [ 295.006455][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 295.006717][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 295.006717][ T10] netdev_get_by_index+0x5e/0x80 [ 295.006717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 295.006717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 295.006717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 295.006717][ T10] ipv6_add_addr+0x411/0x2000 [ 295.006717][ T10] inet6_addr_add+0x30e/0xa40 [ 295.006717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 295.006717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.006717][ T10] netlink_rcv_skb+0x130/0x360 [ 295.006717][ T10] netlink_unicast+0x449/0x710 [ 295.006717][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.006717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.006717][ T10] ___sys_sendmsg+0xee/0x170 [ 295.006717][ T10] __sys_sendmsg+0xcd/0x170 [ 295.006717][ T10] do_syscall_64+0xc6/0x1e0 [ 295.006717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.006717][ T10] [ 295.008673][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 295.008673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 295.008673][ T10] ipv6_find_idev+0x102/0x170 [ 295.008673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.008673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.008673][ T10] netlink_rcv_skb+0x130/0x360 [ 295.008673][ T10] netlink_unicast+0x449/0x710 [ 295.008673][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.008673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.008673][ T10] ___sys_sendmsg+0xee/0x170 [ 295.008673][ T10] __sys_sendmsg+0xcd/0x170 [ 295.008673][ T10] do_syscall_64+0xc6/0x1e0 [ 295.008673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.008673][ T10] [ 295.010204][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 295.010204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 295.010204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 295.010204][ T10] ipv6_find_idev+0x102/0x170 [ 295.010204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.010204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.010204][ T10] netlink_rcv_skb+0x130/0x360 [ 295.010204][ T10] netlink_unicast+0x449/0x710 [ 295.010204][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.010204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.010204][ T10] ___sys_sendmsg+0xee/0x170 [ 295.010204][ T10] __sys_sendmsg+0xcd/0x170 [ 295.010204][ T10] do_syscall_64+0xc6/0x1e0 [ 295.010204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.010204][ T10] [ 295.012298][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 295.012561][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 295.012561][ T10] netdev_get_by_index+0x5e/0x80 [ 295.012561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 295.012561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 295.012561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 295.012561][ T10] ipv6_add_addr+0x411/0x2000 [ 295.012561][ T10] inet6_addr_add+0x30e/0xa40 [ 295.012561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 295.012561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.012561][ T10] netlink_rcv_skb+0x130/0x360 [ 295.012561][ T10] netlink_unicast+0x449/0x710 [ 295.012561][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.012561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.012561][ T10] ___sys_sendmsg+0xee/0x170 [ 295.012561][ T10] __sys_sendmsg+0xcd/0x170 [ 295.012561][ T10] do_syscall_64+0xc6/0x1e0 [ 295.012561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.012561][ T10] [ 295.014488][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 295.014488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 295.014488][ T10] ipv6_find_idev+0x102/0x170 [ 295.014488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.014488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.014488][ T10] netlink_rcv_skb+0x130/0x360 [ 295.014488][ T10] netlink_unicast+0x449/0x710 [ 295.014488][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.014488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.014488][ T10] ___sys_sendmsg+0xee/0x170 [ 295.014488][ T10] __sys_sendmsg+0xcd/0x170 [ 295.014488][ T10] do_syscall_64+0xc6/0x1e0 [ 295.014488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.014488][ T10] [ 295.016020][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 295.016020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 295.016020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 295.016020][ T10] ipv6_find_idev+0x102/0x170 [ 295.016020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.016020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.016020][ T10] netlink_rcv_skb+0x130/0x360 [ 295.016020][ T10] netlink_unicast+0x449/0x710 [ 295.016020][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.016020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.016020][ T10] ___sys_sendmsg+0xee/0x170 [ 295.016020][ T10] __sys_sendmsg+0xcd/0x170 [ 295.016020][ T10] do_syscall_64+0xc6/0x1e0 [ 295.016020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.016020][ T10] [ 295.017685][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 295.017998][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 295.017998][ T10] netdev_get_by_index+0x5e/0x80 [ 295.017998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 295.017998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 295.017998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 295.017998][ T10] ipv6_add_addr+0x411/0x2000 [ 295.017998][ T10] inet6_addr_add+0x30e/0xa40 [ 295.017998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 295.017998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.017998][ T10] netlink_rcv_skb+0x130/0x360 [ 295.017998][ T10] netlink_unicast+0x449/0x710 [ 295.017998][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.017998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.017998][ T10] ___sys_sendmsg+0xee/0x170 [ 295.017998][ T10] __sys_sendmsg+0xcd/0x170 [ 295.017998][ T10] do_syscall_64+0xc6/0x1e0 [ 295.017998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.017998][ T10] [ 295.020043][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 295.020043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 295.020043][ T10] ipv6_find_idev+0x102/0x170 [ 295.020043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.020043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.020043][ T10] netlink_rcv_skb+0x130/0x360 [ 295.020043][ T10] netlink_unicast+0x449/0x710 [ 295.020043][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.020043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.020043][ T10] ___sys_sendmsg+0xee/0x170 [ 295.020043][ T10] __sys_sendmsg+0xcd/0x170 [ 295.020043][ T10] do_syscall_64+0xc6/0x1e0 [ 295.020043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.020043][ T10] [ 295.021891][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 295.021891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 295.021891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 295.021891][ T10] ipv6_find_idev+0x102/0x170 [ 295.021891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.021891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.021891][ T10] netlink_rcv_skb+0x130/0x360 [ 295.021891][ T10] netlink_unicast+0x449/0x710 [ 295.021891][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.021891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.021891][ T10] ___sys_sendmsg+0xee/0x170 [ 295.021891][ T10] __sys_sendmsg+0xcd/0x170 [ 295.021891][ T10] do_syscall_64+0xc6/0x1e0 [ 295.021891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.021891][ T10] [ 295.023839][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 295.024103][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 295.024103][ T10] netdev_get_by_index+0x5e/0x80 [ 295.024103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 295.024103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 295.024103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 295.024103][ T10] ipv6_add_addr+0x411/0x2000 [ 295.024103][ T10] inet6_addr_add+0x30e/0xa40 [ 295.024103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 295.024103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.024103][ T10] netlink_rcv_skb+0x130/0x360 [ 295.024103][ T10] netlink_unicast+0x449/0x710 [ 295.024103][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.024103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.024103][ T10] ___sys_sendmsg+0xee/0x170 [ 295.024103][ T10] __sys_sendmsg+0xcd/0x170 [ 295.024103][ T10] do_syscall_64+0xc6/0x1e0 [ 295.024103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.024103][ T10] [ 295.026249][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 295.026249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 295.026249][ T10] ipv6_find_idev+0x102/0x170 [ 295.026249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.026249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.026249][ T10] netlink_rcv_skb+0x130/0x360 [ 295.026249][ T10] netlink_unicast+0x449/0x710 [ 295.026249][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.026249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.026249][ T10] ___sys_sendmsg+0xee/0x170 [ 295.026249][ T10] __sys_sendmsg+0xcd/0x170 [ 295.026249][ T10] do_syscall_64+0xc6/0x1e0 [ 295.026249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.026249][ T10] [ 295.027944][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 295.027944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 295.027944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 295.027944][ T10] ipv6_find_idev+0x102/0x170 [ 295.027944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.027944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.027944][ T10] netlink_rcv_skb+0x130/0x360 [ 295.027944][ T10] netlink_unicast+0x449/0x710 [ 295.027944][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.027944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.027944][ T10] ___sys_sendmsg+0xee/0x170 [ 295.027944][ T10] __sys_sendmsg+0xcd/0x170 [ 295.027944][ T10] do_syscall_64+0xc6/0x1e0 [ 295.027944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.027944][ T10] [ 295.029824][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 295.030081][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 295.030081][ T10] netdev_get_by_index+0x5e/0x80 [ 295.030081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 295.030081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 295.030081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 295.030081][ T10] ipv6_add_addr+0x411/0x2000 [ 295.030081][ T10] inet6_addr_add+0x30e/0xa40 [ 295.030081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 295.030081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.030081][ T10] netlink_rcv_skb+0x130/0x360 [ 295.030081][ T10] netlink_unicast+0x449/0x710 [ 295.030081][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.030081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.030081][ T10] ___sys_sendmsg+0xee/0x170 [ 295.030081][ T10] __sys_sendmsg+0xcd/0x170 [ 295.030081][ T10] do_syscall_64+0xc6/0x1e0 [ 295.030081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.030081][ T10] [ 295.032375][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 295.032375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 295.032375][ T10] ipv6_find_idev+0x102/0x170 [ 295.032375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.032375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.032375][ T10] netlink_rcv_skb+0x130/0x360 [ 295.032375][ T10] netlink_unicast+0x449/0x710 [ 295.032375][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.032375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.032375][ T10] ___sys_sendmsg+0xee/0x170 [ 295.032375][ T10] __sys_sendmsg+0xcd/0x170 [ 295.032375][ T10] do_syscall_64+0xc6/0x1e0 [ 295.032375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.032375][ T10] [ 295.034109][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 295.034109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 295.034109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 295.034109][ T10] ipv6_find_idev+0x102/0x170 [ 295.034109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 295.034109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 295.034109][ T10] netlink_rcv_skb+0x130/0x360 [ 295.034109][ T10] netlink_unicast+0x449/0x710 [ 295.034109][ T10] netlink_sendmsg+0x723/0xbe0 [ 295.034109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 295.034109][ T10] ___sys_sendmsg+0xee/0x170 [ 295.034109][ T10] __sys_sendmsg+0xcd/0x170 [ 295.034109][ T10] do_syscall_64+0xc6/0x1e0 [ 295.034109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 295.034109][ T10] [ 305.277902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 305.278469][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 305.278469][ T10] netdev_get_by_index+0x5e/0x80 [ 305.278469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.278469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.278469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.278469][ T10] ipv6_add_addr+0x411/0x2000 [ 305.278469][ T10] inet6_addr_add+0x30e/0xa40 [ 305.278469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.278469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.278469][ T10] netlink_rcv_skb+0x130/0x360 [ 305.278469][ T10] netlink_unicast+0x449/0x710 [ 305.278469][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.278469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.278469][ T10] ___sys_sendmsg+0xee/0x170 [ 305.278469][ T10] __sys_sendmsg+0xcd/0x170 [ 305.278469][ T10] do_syscall_64+0xc6/0x1e0 [ 305.278469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.278469][ T10] [ 305.280751][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 305.280751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.280751][ T10] ipv6_find_idev+0x102/0x170 [ 305.280751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.280751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.280751][ T10] netlink_rcv_skb+0x130/0x360 [ 305.280751][ T10] netlink_unicast+0x449/0x710 [ 305.280751][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.280751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.280751][ T10] ___sys_sendmsg+0xee/0x170 [ 305.280751][ T10] __sys_sendmsg+0xcd/0x170 [ 305.280751][ T10] do_syscall_64+0xc6/0x1e0 [ 305.280751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.280751][ T10] [ 305.282475][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 305.282475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.282475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.282475][ T10] ipv6_find_idev+0x102/0x170 [ 305.282475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.282475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.282475][ T10] netlink_rcv_skb+0x130/0x360 [ 305.282475][ T10] netlink_unicast+0x449/0x710 [ 305.282475][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.282475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.282475][ T10] ___sys_sendmsg+0xee/0x170 [ 305.282475][ T10] __sys_sendmsg+0xcd/0x170 [ 305.282475][ T10] do_syscall_64+0xc6/0x1e0 [ 305.282475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.282475][ T10] [ 305.284397][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 305.284689][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 305.284689][ T10] netdev_get_by_index+0x5e/0x80 [ 305.284689][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.284689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.284689][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.284689][ T10] ipv6_add_addr+0x411/0x2000 [ 305.284689][ T10] inet6_addr_add+0x30e/0xa40 [ 305.284689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.284689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.284689][ T10] netlink_rcv_skb+0x130/0x360 [ 305.284689][ T10] netlink_unicast+0x449/0x710 [ 305.284689][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.284689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.284689][ T10] ___sys_sendmsg+0xee/0x170 [ 305.284689][ T10] __sys_sendmsg+0xcd/0x170 [ 305.284689][ T10] do_syscall_64+0xc6/0x1e0 [ 305.284689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.284689][ T10] [ 305.286940][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 305.286940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.286940][ T10] ipv6_find_idev+0x102/0x170 [ 305.286940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.286940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.286940][ T10] netlink_rcv_skb+0x130/0x360 [ 305.286940][ T10] netlink_unicast+0x449/0x710 [ 305.286940][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.286940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.286940][ T10] ___sys_sendmsg+0xee/0x170 [ 305.286940][ T10] __sys_sendmsg+0xcd/0x170 [ 305.286940][ T10] do_syscall_64+0xc6/0x1e0 [ 305.286940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.286940][ T10] [ 305.288703][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 305.288703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.288703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.288703][ T10] ipv6_find_idev+0x102/0x170 [ 305.288703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.288703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.288703][ T10] netlink_rcv_skb+0x130/0x360 [ 305.288703][ T10] netlink_unicast+0x449/0x710 [ 305.288703][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.288703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.288703][ T10] ___sys_sendmsg+0xee/0x170 [ 305.288703][ T10] __sys_sendmsg+0xcd/0x170 [ 305.288703][ T10] do_syscall_64+0xc6/0x1e0 [ 305.288703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.288703][ T10] [ 305.290628][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 305.290935][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 305.290935][ T10] netdev_get_by_index+0x5e/0x80 [ 305.290935][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.290935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.290935][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.290935][ T10] ipv6_add_addr+0x411/0x2000 [ 305.290935][ T10] inet6_addr_add+0x30e/0xa40 [ 305.290935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.290935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.290935][ T10] netlink_rcv_skb+0x130/0x360 [ 305.290935][ T10] netlink_unicast+0x449/0x710 [ 305.290935][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.290935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.290935][ T10] ___sys_sendmsg+0xee/0x170 [ 305.290935][ T10] __sys_sendmsg+0xcd/0x170 [ 305.290935][ T10] do_syscall_64+0xc6/0x1e0 [ 305.290935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.290935][ T10] [ 305.293201][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 305.293201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.293201][ T10] ipv6_find_idev+0x102/0x170 [ 305.293201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.293201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.293201][ T10] netlink_rcv_skb+0x130/0x360 [ 305.293201][ T10] netlink_unicast+0x449/0x710 [ 305.293201][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.293201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.293201][ T10] ___sys_sendmsg+0xee/0x170 [ 305.293201][ T10] __sys_sendmsg+0xcd/0x170 [ 305.293201][ T10] do_syscall_64+0xc6/0x1e0 [ 305.293201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.293201][ T10] [ 305.294932][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 305.294932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.294932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.294932][ T10] ipv6_find_idev+0x102/0x170 [ 305.294932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.294932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.294932][ T10] netlink_rcv_skb+0x130/0x360 [ 305.294932][ T10] netlink_unicast+0x449/0x710 [ 305.294932][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.294932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.294932][ T10] ___sys_sendmsg+0xee/0x170 [ 305.294932][ T10] __sys_sendmsg+0xcd/0x170 [ 305.294932][ T10] do_syscall_64+0xc6/0x1e0 [ 305.294932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.294932][ T10] [ 305.296827][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 305.297115][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 305.297115][ T10] netdev_get_by_index+0x5e/0x80 [ 305.297115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.297115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.297115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.297115][ T10] ipv6_add_addr+0x411/0x2000 [ 305.297115][ T10] inet6_addr_add+0x30e/0xa40 [ 305.297115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.297115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.297115][ T10] netlink_rcv_skb+0x130/0x360 [ 305.297115][ T10] netlink_unicast+0x449/0x710 [ 305.297115][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.297115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.297115][ T10] ___sys_sendmsg+0xee/0x170 [ 305.297115][ T10] __sys_sendmsg+0xcd/0x170 [ 305.297115][ T10] do_syscall_64+0xc6/0x1e0 [ 305.297115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.297115][ T10] [ 305.299346][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 305.299346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.299346][ T10] ipv6_find_idev+0x102/0x170 [ 305.299346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.299346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.299346][ T10] netlink_rcv_skb+0x130/0x360 [ 305.299346][ T10] netlink_unicast+0x449/0x710 [ 305.299346][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.299346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.299346][ T10] ___sys_sendmsg+0xee/0x170 [ 305.299346][ T10] __sys_sendmsg+0xcd/0x170 [ 305.299346][ T10] do_syscall_64+0xc6/0x1e0 [ 305.299346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.299346][ T10] [ 305.301091][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 305.301091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.301091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.301091][ T10] ipv6_find_idev+0x102/0x170 [ 305.301091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.301091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.301091][ T10] netlink_rcv_skb+0x130/0x360 [ 305.301091][ T10] netlink_unicast+0x449/0x710 [ 305.301091][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.301091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.301091][ T10] ___sys_sendmsg+0xee/0x170 [ 305.301091][ T10] __sys_sendmsg+0xcd/0x170 [ 305.301091][ T10] do_syscall_64+0xc6/0x1e0 [ 305.301091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.301091][ T10] [ 305.303402][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 305.304059][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 305.304059][ T10] netdev_get_by_index+0x5e/0x80 [ 305.304059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.304059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.304059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.304059][ T10] ipv6_add_addr+0x411/0x2000 [ 305.304059][ T10] inet6_addr_add+0x30e/0xa40 [ 305.304059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.304059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.304059][ T10] netlink_rcv_skb+0x130/0x360 [ 305.304059][ T10] netlink_unicast+0x449/0x710 [ 305.304059][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.304059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.304059][ T10] ___sys_sendmsg+0xee/0x170 [ 305.304059][ T10] __sys_sendmsg+0xcd/0x170 [ 305.304059][ T10] do_syscall_64+0xc6/0x1e0 [ 305.304059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.304059][ T10] [ 305.306279][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 305.306279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.306279][ T10] ipv6_find_idev+0x102/0x170 [ 305.306279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.306279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.306279][ T10] netlink_rcv_skb+0x130/0x360 [ 305.306279][ T10] netlink_unicast+0x449/0x710 [ 305.306279][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.306279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.306279][ T10] ___sys_sendmsg+0xee/0x170 [ 305.306279][ T10] __sys_sendmsg+0xcd/0x170 [ 305.306279][ T10] do_syscall_64+0xc6/0x1e0 [ 305.306279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.306279][ T10] [ 305.308004][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 305.308004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.308004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.308004][ T10] ipv6_find_idev+0x102/0x170 [ 305.308004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.308004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.308004][ T10] netlink_rcv_skb+0x130/0x360 [ 305.308004][ T10] netlink_unicast+0x449/0x710 [ 305.308004][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.308004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.308004][ T10] ___sys_sendmsg+0xee/0x170 [ 305.308004][ T10] __sys_sendmsg+0xcd/0x170 [ 305.308004][ T10] do_syscall_64+0xc6/0x1e0 [ 305.308004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.308004][ T10] [ 305.309902][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 305.310204][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 305.310204][ T10] netdev_get_by_index+0x5e/0x80 [ 305.310204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.310204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.310204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.310204][ T10] ipv6_add_addr+0x411/0x2000 [ 305.310204][ T10] inet6_addr_add+0x30e/0xa40 [ 305.310204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.310204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.310204][ T10] netlink_rcv_skb+0x130/0x360 [ 305.310204][ T10] netlink_unicast+0x449/0x710 [ 305.310204][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.310204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.310204][ T10] ___sys_sendmsg+0xee/0x170 [ 305.310204][ T10] __sys_sendmsg+0xcd/0x170 [ 305.310204][ T10] do_syscall_64+0xc6/0x1e0 [ 305.310204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.310204][ T10] [ 305.312449][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 305.312449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.312449][ T10] ipv6_find_idev+0x102/0x170 [ 305.312449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.312449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.312449][ T10] netlink_rcv_skb+0x130/0x360 [ 305.312449][ T10] netlink_unicast+0x449/0x710 [ 305.312449][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.312449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.312449][ T10] ___sys_sendmsg+0xee/0x170 [ 305.312449][ T10] __sys_sendmsg+0xcd/0x170 [ 305.312449][ T10] do_syscall_64+0xc6/0x1e0 [ 305.312449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.312449][ T10] [ 305.314276][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 305.314276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.314276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.314276][ T10] ipv6_find_idev+0x102/0x170 [ 305.314276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.314276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.314276][ T10] netlink_rcv_skb+0x130/0x360 [ 305.314276][ T10] netlink_unicast+0x449/0x710 [ 305.314276][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.314276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.314276][ T10] ___sys_sendmsg+0xee/0x170 [ 305.314276][ T10] __sys_sendmsg+0xcd/0x170 [ 305.314276][ T10] do_syscall_64+0xc6/0x1e0 [ 305.314276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.314276][ T10] [ 305.316370][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 305.316712][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 305.316712][ T10] netdev_get_by_index+0x5e/0x80 [ 305.316712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.316712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.316712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.316712][ T10] ipv6_add_addr+0x411/0x2000 [ 305.316712][ T10] inet6_addr_add+0x30e/0xa40 [ 305.316712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.316712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.316712][ T10] netlink_rcv_skb+0x130/0x360 [ 305.316712][ T10] netlink_unicast+0x449/0x710 [ 305.316712][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.316712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.316712][ T10] ___sys_sendmsg+0xee/0x170 [ 305.316712][ T10] __sys_sendmsg+0xcd/0x170 [ 305.316712][ T10] do_syscall_64+0xc6/0x1e0 [ 305.316712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.316712][ T10] [ 305.319163][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 305.319163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.319163][ T10] ipv6_find_idev+0x102/0x170 [ 305.319163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.319163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.319163][ T10] netlink_rcv_skb+0x130/0x360 [ 305.319163][ T10] netlink_unicast+0x449/0x710 [ 305.319163][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.319163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.319163][ T10] ___sys_sendmsg+0xee/0x170 [ 305.319163][ T10] __sys_sendmsg+0xcd/0x170 [ 305.319163][ T10] do_syscall_64+0xc6/0x1e0 [ 305.319163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.319163][ T10] [ 305.320961][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 305.320961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.320961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.320961][ T10] ipv6_find_idev+0x102/0x170 [ 305.320961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.320961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.320961][ T10] netlink_rcv_skb+0x130/0x360 [ 305.320961][ T10] netlink_unicast+0x449/0x710 [ 305.320961][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.320961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.320961][ T10] ___sys_sendmsg+0xee/0x170 [ 305.320961][ T10] __sys_sendmsg+0xcd/0x170 [ 305.320961][ T10] do_syscall_64+0xc6/0x1e0 [ 305.320961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.320961][ T10] [ 305.323013][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 305.323355][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 305.323355][ T10] netdev_get_by_index+0x5e/0x80 [ 305.323355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 305.323355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 305.323355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 305.323355][ T10] ipv6_add_addr+0x411/0x2000 [ 305.323355][ T10] inet6_addr_add+0x30e/0xa40 [ 305.323355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 305.323355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.323355][ T10] netlink_rcv_skb+0x130/0x360 [ 305.323355][ T10] netlink_unicast+0x449/0x710 [ 305.323355][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.323355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.323355][ T10] ___sys_sendmsg+0xee/0x170 [ 305.323355][ T10] __sys_sendmsg+0xcd/0x170 [ 305.323355][ T10] do_syscall_64+0xc6/0x1e0 [ 305.323355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.323355][ T10] [ 305.325632][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 305.325632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 305.325632][ T10] ipv6_find_idev+0x102/0x170 [ 305.325632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.325632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.325632][ T10] netlink_rcv_skb+0x130/0x360 [ 305.325632][ T10] netlink_unicast+0x449/0x710 [ 305.325632][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.325632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.325632][ T10] ___sys_sendmsg+0xee/0x170 [ 305.325632][ T10] __sys_sendmsg+0xcd/0x170 [ 305.325632][ T10] do_syscall_64+0xc6/0x1e0 [ 305.325632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.325632][ T10] [ 305.327487][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 305.327487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 305.327487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 305.327487][ T10] ipv6_find_idev+0x102/0x170 [ 305.327487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 305.327487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 305.327487][ T10] netlink_rcv_skb+0x130/0x360 [ 305.327487][ T10] netlink_unicast+0x449/0x710 [ 305.327487][ T10] netlink_sendmsg+0x723/0xbe0 [ 305.327487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 305.327487][ T10] ___sys_sendmsg+0xee/0x170 [ 305.327487][ T10] __sys_sendmsg+0xcd/0x170 [ 305.327487][ T10] do_syscall_64+0xc6/0x1e0 [ 305.327487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 305.327487][ T10] [ 315.565961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 315.566591][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 315.566591][ T10] netdev_get_by_index+0x5e/0x80 [ 315.566591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.566591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.566591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.566591][ T10] ipv6_add_addr+0x411/0x2000 [ 315.566591][ T10] inet6_addr_add+0x30e/0xa40 [ 315.566591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.566591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.566591][ T10] netlink_rcv_skb+0x130/0x360 [ 315.566591][ T10] netlink_unicast+0x449/0x710 [ 315.566591][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.566591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.566591][ T10] ___sys_sendmsg+0xee/0x170 [ 315.566591][ T10] __sys_sendmsg+0xcd/0x170 [ 315.566591][ T10] do_syscall_64+0xc6/0x1e0 [ 315.566591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.566591][ T10] [ 315.568888][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 315.568888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.568888][ T10] ipv6_find_idev+0x102/0x170 [ 315.568888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.568888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.568888][ T10] netlink_rcv_skb+0x130/0x360 [ 315.568888][ T10] netlink_unicast+0x449/0x710 [ 315.568888][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.568888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.568888][ T10] ___sys_sendmsg+0xee/0x170 [ 315.568888][ T10] __sys_sendmsg+0xcd/0x170 [ 315.568888][ T10] do_syscall_64+0xc6/0x1e0 [ 315.568888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.568888][ T10] [ 315.570636][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 315.570636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.570636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.570636][ T10] ipv6_find_idev+0x102/0x170 [ 315.570636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.570636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.570636][ T10] netlink_rcv_skb+0x130/0x360 [ 315.570636][ T10] netlink_unicast+0x449/0x710 [ 315.570636][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.570636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.570636][ T10] ___sys_sendmsg+0xee/0x170 [ 315.570636][ T10] __sys_sendmsg+0xcd/0x170 [ 315.570636][ T10] do_syscall_64+0xc6/0x1e0 [ 315.570636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.570636][ T10] [ 315.572568][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 315.572887][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 315.572887][ T10] netdev_get_by_index+0x5e/0x80 [ 315.572887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.572887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.572887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.572887][ T10] ipv6_add_addr+0x411/0x2000 [ 315.572887][ T10] inet6_addr_add+0x30e/0xa40 [ 315.572887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.572887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.572887][ T10] netlink_rcv_skb+0x130/0x360 [ 315.572887][ T10] netlink_unicast+0x449/0x710 [ 315.572887][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.572887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.572887][ T10] ___sys_sendmsg+0xee/0x170 [ 315.572887][ T10] __sys_sendmsg+0xcd/0x170 [ 315.572887][ T10] do_syscall_64+0xc6/0x1e0 [ 315.572887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.572887][ T10] [ 315.575138][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 315.575138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.575138][ T10] ipv6_find_idev+0x102/0x170 [ 315.575138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.575138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.575138][ T10] netlink_rcv_skb+0x130/0x360 [ 315.575138][ T10] netlink_unicast+0x449/0x710 [ 315.575138][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.575138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.575138][ T10] ___sys_sendmsg+0xee/0x170 [ 315.575138][ T10] __sys_sendmsg+0xcd/0x170 [ 315.575138][ T10] do_syscall_64+0xc6/0x1e0 [ 315.575138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.575138][ T10] [ 315.576864][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 315.576864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.576864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.576864][ T10] ipv6_find_idev+0x102/0x170 [ 315.576864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.576864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.576864][ T10] netlink_rcv_skb+0x130/0x360 [ 315.576864][ T10] netlink_unicast+0x449/0x710 [ 315.576864][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.576864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.576864][ T10] ___sys_sendmsg+0xee/0x170 [ 315.576864][ T10] __sys_sendmsg+0xcd/0x170 [ 315.576864][ T10] do_syscall_64+0xc6/0x1e0 [ 315.576864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.576864][ T10] [ 315.578796][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 315.579092][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 315.579092][ T10] netdev_get_by_index+0x5e/0x80 [ 315.579092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.579092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.579092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.579092][ T10] ipv6_add_addr+0x411/0x2000 [ 315.579092][ T10] inet6_addr_add+0x30e/0xa40 [ 315.579092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.579092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.579092][ T10] netlink_rcv_skb+0x130/0x360 [ 315.579092][ T10] netlink_unicast+0x449/0x710 [ 315.579092][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.579092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.579092][ T10] ___sys_sendmsg+0xee/0x170 [ 315.579092][ T10] __sys_sendmsg+0xcd/0x170 [ 315.579092][ T10] do_syscall_64+0xc6/0x1e0 [ 315.579092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.579092][ T10] [ 315.581349][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 315.581349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.581349][ T10] ipv6_find_idev+0x102/0x170 [ 315.581349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.581349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.581349][ T10] netlink_rcv_skb+0x130/0x360 [ 315.581349][ T10] netlink_unicast+0x449/0x710 [ 315.581349][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.581349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.581349][ T10] ___sys_sendmsg+0xee/0x170 [ 315.581349][ T10] __sys_sendmsg+0xcd/0x170 [ 315.581349][ T10] do_syscall_64+0xc6/0x1e0 [ 315.581349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.581349][ T10] [ 315.583080][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 315.583080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.583080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.583080][ T10] ipv6_find_idev+0x102/0x170 [ 315.583080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.583080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.583080][ T10] netlink_rcv_skb+0x130/0x360 [ 315.583080][ T10] netlink_unicast+0x449/0x710 [ 315.583080][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.583080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.583080][ T10] ___sys_sendmsg+0xee/0x170 [ 315.583080][ T10] __sys_sendmsg+0xcd/0x170 [ 315.583080][ T10] do_syscall_64+0xc6/0x1e0 [ 315.583080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.583080][ T10] [ 315.584969][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 315.585260][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 315.585260][ T10] netdev_get_by_index+0x5e/0x80 [ 315.585260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.585260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.585260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.585260][ T10] ipv6_add_addr+0x411/0x2000 [ 315.585260][ T10] inet6_addr_add+0x30e/0xa40 [ 315.585260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.585260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.585260][ T10] netlink_rcv_skb+0x130/0x360 [ 315.585260][ T10] netlink_unicast+0x449/0x710 [ 315.585260][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.585260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.585260][ T10] ___sys_sendmsg+0xee/0x170 [ 315.585260][ T10] __sys_sendmsg+0xcd/0x170 [ 315.585260][ T10] do_syscall_64+0xc6/0x1e0 [ 315.585260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.585260][ T10] [ 315.587544][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 315.587544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.587544][ T10] ipv6_find_idev+0x102/0x170 [ 315.587544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.587544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.587544][ T10] netlink_rcv_skb+0x130/0x360 [ 315.587544][ T10] netlink_unicast+0x449/0x710 [ 315.587544][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.587544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.587544][ T10] ___sys_sendmsg+0xee/0x170 [ 315.587544][ T10] __sys_sendmsg+0xcd/0x170 [ 315.587544][ T10] do_syscall_64+0xc6/0x1e0 [ 315.587544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.587544][ T10] [ 315.589290][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 315.589290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.589290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.589290][ T10] ipv6_find_idev+0x102/0x170 [ 315.589290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.589290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.589290][ T10] netlink_rcv_skb+0x130/0x360 [ 315.589290][ T10] netlink_unicast+0x449/0x710 [ 315.589290][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.589290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.589290][ T10] ___sys_sendmsg+0xee/0x170 [ 315.589290][ T10] __sys_sendmsg+0xcd/0x170 [ 315.589290][ T10] do_syscall_64+0xc6/0x1e0 [ 315.589290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.589290][ T10] [ 315.591628][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 315.592273][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 315.592273][ T10] netdev_get_by_index+0x5e/0x80 [ 315.592273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.592273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.592273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.592273][ T10] ipv6_add_addr+0x411/0x2000 [ 315.592273][ T10] inet6_addr_add+0x30e/0xa40 [ 315.592273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.592273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.592273][ T10] netlink_rcv_skb+0x130/0x360 [ 315.592273][ T10] netlink_unicast+0x449/0x710 [ 315.592273][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.592273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.592273][ T10] ___sys_sendmsg+0xee/0x170 [ 315.592273][ T10] __sys_sendmsg+0xcd/0x170 [ 315.592273][ T10] do_syscall_64+0xc6/0x1e0 [ 315.592273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.592273][ T10] [ 315.594525][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 315.594525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.594525][ T10] ipv6_find_idev+0x102/0x170 [ 315.594525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.594525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.594525][ T10] netlink_rcv_skb+0x130/0x360 [ 315.594525][ T10] netlink_unicast+0x449/0x710 [ 315.594525][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.594525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.594525][ T10] ___sys_sendmsg+0xee/0x170 [ 315.594525][ T10] __sys_sendmsg+0xcd/0x170 [ 315.594525][ T10] do_syscall_64+0xc6/0x1e0 [ 315.594525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.594525][ T10] [ 315.596256][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 315.596256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.596256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.596256][ T10] ipv6_find_idev+0x102/0x170 [ 315.596256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.596256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.596256][ T10] netlink_rcv_skb+0x130/0x360 [ 315.596256][ T10] netlink_unicast+0x449/0x710 [ 315.596256][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.596256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.596256][ T10] ___sys_sendmsg+0xee/0x170 [ 315.596256][ T10] __sys_sendmsg+0xcd/0x170 [ 315.596256][ T10] do_syscall_64+0xc6/0x1e0 [ 315.596256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.596256][ T10] [ 315.598135][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 315.598427][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 315.598427][ T10] netdev_get_by_index+0x5e/0x80 [ 315.598427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.598427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.598427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.598427][ T10] ipv6_add_addr+0x411/0x2000 [ 315.598427][ T10] inet6_addr_add+0x30e/0xa40 [ 315.598427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.598427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.598427][ T10] netlink_rcv_skb+0x130/0x360 [ 315.598427][ T10] netlink_unicast+0x449/0x710 [ 315.598427][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.598427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.598427][ T10] ___sys_sendmsg+0xee/0x170 [ 315.598427][ T10] __sys_sendmsg+0xcd/0x170 [ 315.598427][ T10] do_syscall_64+0xc6/0x1e0 [ 315.598427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.598427][ T10] [ 315.600693][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 315.600693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.600693][ T10] ipv6_find_idev+0x102/0x170 [ 315.600693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.600693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.600693][ T10] netlink_rcv_skb+0x130/0x360 [ 315.600693][ T10] netlink_unicast+0x449/0x710 [ 315.600693][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.600693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.600693][ T10] ___sys_sendmsg+0xee/0x170 [ 315.600693][ T10] __sys_sendmsg+0xcd/0x170 [ 315.600693][ T10] do_syscall_64+0xc6/0x1e0 [ 315.600693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.600693][ T10] [ 315.602489][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 315.602489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.602489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.602489][ T10] ipv6_find_idev+0x102/0x170 [ 315.602489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.602489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.602489][ T10] netlink_rcv_skb+0x130/0x360 [ 315.602489][ T10] netlink_unicast+0x449/0x710 [ 315.602489][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.602489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.602489][ T10] ___sys_sendmsg+0xee/0x170 [ 315.602489][ T10] __sys_sendmsg+0xcd/0x170 [ 315.602489][ T10] do_syscall_64+0xc6/0x1e0 [ 315.602489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.602489][ T10] [ 315.604644][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 315.605005][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 315.605005][ T10] netdev_get_by_index+0x5e/0x80 [ 315.605005][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.605005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.605005][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.605005][ T10] ipv6_add_addr+0x411/0x2000 [ 315.605005][ T10] inet6_addr_add+0x30e/0xa40 [ 315.605005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.605005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.605005][ T10] netlink_rcv_skb+0x130/0x360 [ 315.605005][ T10] netlink_unicast+0x449/0x710 [ 315.605005][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.605005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.605005][ T10] ___sys_sendmsg+0xee/0x170 [ 315.605005][ T10] __sys_sendmsg+0xcd/0x170 [ 315.605005][ T10] do_syscall_64+0xc6/0x1e0 [ 315.605005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.605005][ T10] [ 315.607445][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 315.607445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.607445][ T10] ipv6_find_idev+0x102/0x170 [ 315.607445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.607445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.607445][ T10] netlink_rcv_skb+0x130/0x360 [ 315.607445][ T10] netlink_unicast+0x449/0x710 [ 315.607445][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.607445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.607445][ T10] ___sys_sendmsg+0xee/0x170 [ 315.607445][ T10] __sys_sendmsg+0xcd/0x170 [ 315.607445][ T10] do_syscall_64+0xc6/0x1e0 [ 315.607445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.607445][ T10] [ 315.609431][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 315.609431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.609431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.609431][ T10] ipv6_find_idev+0x102/0x170 [ 315.609431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.609431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.609431][ T10] netlink_rcv_skb+0x130/0x360 [ 315.609431][ T10] netlink_unicast+0x449/0x710 [ 315.609431][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.609431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.609431][ T10] ___sys_sendmsg+0xee/0x170 [ 315.609431][ T10] __sys_sendmsg+0xcd/0x170 [ 315.609431][ T10] do_syscall_64+0xc6/0x1e0 [ 315.609431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.609431][ T10] [ 315.611578][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 315.611926][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 315.611926][ T10] netdev_get_by_index+0x5e/0x80 [ 315.611926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 315.611926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 315.611926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 315.611926][ T10] ipv6_add_addr+0x411/0x2000 [ 315.611926][ T10] inet6_addr_add+0x30e/0xa40 [ 315.611926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 315.611926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.611926][ T10] netlink_rcv_skb+0x130/0x360 [ 315.611926][ T10] netlink_unicast+0x449/0x710 [ 315.611926][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.611926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.611926][ T10] ___sys_sendmsg+0xee/0x170 [ 315.611926][ T10] __sys_sendmsg+0xcd/0x170 [ 315.611926][ T10] do_syscall_64+0xc6/0x1e0 [ 315.611926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.611926][ T10] [ 315.614338][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 315.614338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 315.614338][ T10] ipv6_find_idev+0x102/0x170 [ 315.614338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.614338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.614338][ T10] netlink_rcv_skb+0x130/0x360 [ 315.614338][ T10] netlink_unicast+0x449/0x710 [ 315.614338][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.614338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.614338][ T10] ___sys_sendmsg+0xee/0x170 [ 315.614338][ T10] __sys_sendmsg+0xcd/0x170 [ 315.614338][ T10] do_syscall_64+0xc6/0x1e0 [ 315.614338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.614338][ T10] [ 315.616247][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 315.616247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 315.616247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 315.616247][ T10] ipv6_find_idev+0x102/0x170 [ 315.616247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 315.616247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 315.616247][ T10] netlink_rcv_skb+0x130/0x360 [ 315.616247][ T10] netlink_unicast+0x449/0x710 [ 315.616247][ T10] netlink_sendmsg+0x723/0xbe0 [ 315.616247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 315.616247][ T10] ___sys_sendmsg+0xee/0x170 [ 315.616247][ T10] __sys_sendmsg+0xcd/0x170 [ 315.616247][ T10] do_syscall_64+0xc6/0x1e0 [ 315.616247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 315.616247][ T10] [ 325.853843][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 325.854378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 325.854378][ T10] netdev_get_by_index+0x5e/0x80 [ 325.854378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.854378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.854378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.854378][ T10] ipv6_add_addr+0x411/0x2000 [ 325.854378][ T10] inet6_addr_add+0x30e/0xa40 [ 325.854378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.854378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.854378][ T10] netlink_rcv_skb+0x130/0x360 [ 325.854378][ T10] netlink_unicast+0x449/0x710 [ 325.854378][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.854378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.854378][ T10] ___sys_sendmsg+0xee/0x170 [ 325.854378][ T10] __sys_sendmsg+0xcd/0x170 [ 325.854378][ T10] do_syscall_64+0xc6/0x1e0 [ 325.854378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.854378][ T10] [ 325.856675][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 325.856675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.856675][ T10] ipv6_find_idev+0x102/0x170 [ 325.856675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.856675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.856675][ T10] netlink_rcv_skb+0x130/0x360 [ 325.856675][ T10] netlink_unicast+0x449/0x710 [ 325.856675][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.856675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.856675][ T10] ___sys_sendmsg+0xee/0x170 [ 325.856675][ T10] __sys_sendmsg+0xcd/0x170 [ 325.856675][ T10] do_syscall_64+0xc6/0x1e0 [ 325.856675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.856675][ T10] [ 325.858437][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 325.858437][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.858437][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.858437][ T10] ipv6_find_idev+0x102/0x170 [ 325.858437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.858437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.858437][ T10] netlink_rcv_skb+0x130/0x360 [ 325.858437][ T10] netlink_unicast+0x449/0x710 [ 325.858437][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.858437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.858437][ T10] ___sys_sendmsg+0xee/0x170 [ 325.858437][ T10] __sys_sendmsg+0xcd/0x170 [ 325.858437][ T10] do_syscall_64+0xc6/0x1e0 [ 325.858437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.858437][ T10] [ 325.860405][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 325.860703][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 325.860703][ T10] netdev_get_by_index+0x5e/0x80 [ 325.860703][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.860703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.860703][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.860703][ T10] ipv6_add_addr+0x411/0x2000 [ 325.860703][ T10] inet6_addr_add+0x30e/0xa40 [ 325.860703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.860703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.860703][ T10] netlink_rcv_skb+0x130/0x360 [ 325.860703][ T10] netlink_unicast+0x449/0x710 [ 325.860703][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.860703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.860703][ T10] ___sys_sendmsg+0xee/0x170 [ 325.860703][ T10] __sys_sendmsg+0xcd/0x170 [ 325.860703][ T10] do_syscall_64+0xc6/0x1e0 [ 325.860703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.860703][ T10] [ 325.862959][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 325.862959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.862959][ T10] ipv6_find_idev+0x102/0x170 [ 325.862959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.862959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.862959][ T10] netlink_rcv_skb+0x130/0x360 [ 325.862959][ T10] netlink_unicast+0x449/0x710 [ 325.862959][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.862959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.862959][ T10] ___sys_sendmsg+0xee/0x170 [ 325.862959][ T10] __sys_sendmsg+0xcd/0x170 [ 325.862959][ T10] do_syscall_64+0xc6/0x1e0 [ 325.862959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.862959][ T10] [ 325.864673][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 325.864673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.864673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.864673][ T10] ipv6_find_idev+0x102/0x170 [ 325.864673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.864673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.864673][ T10] netlink_rcv_skb+0x130/0x360 [ 325.864673][ T10] netlink_unicast+0x449/0x710 [ 325.864673][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.864673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.864673][ T10] ___sys_sendmsg+0xee/0x170 [ 325.864673][ T10] __sys_sendmsg+0xcd/0x170 [ 325.864673][ T10] do_syscall_64+0xc6/0x1e0 [ 325.864673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.864673][ T10] [ 325.866542][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 325.866841][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 325.866841][ T10] netdev_get_by_index+0x5e/0x80 [ 325.866841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.866841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.866841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.866841][ T10] ipv6_add_addr+0x411/0x2000 [ 325.866841][ T10] inet6_addr_add+0x30e/0xa40 [ 325.866841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.866841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.866841][ T10] netlink_rcv_skb+0x130/0x360 [ 325.866841][ T10] netlink_unicast+0x449/0x710 [ 325.866841][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.866841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.866841][ T10] ___sys_sendmsg+0xee/0x170 [ 325.866841][ T10] __sys_sendmsg+0xcd/0x170 [ 325.866841][ T10] do_syscall_64+0xc6/0x1e0 [ 325.866841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.866841][ T10] [ 325.869165][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 325.869165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.869165][ T10] ipv6_find_idev+0x102/0x170 [ 325.869165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.869165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.869165][ T10] netlink_rcv_skb+0x130/0x360 [ 325.869165][ T10] netlink_unicast+0x449/0x710 [ 325.869165][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.869165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.869165][ T10] ___sys_sendmsg+0xee/0x170 [ 325.869165][ T10] __sys_sendmsg+0xcd/0x170 [ 325.869165][ T10] do_syscall_64+0xc6/0x1e0 [ 325.869165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.869165][ T10] [ 325.870906][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 325.870906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.870906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.870906][ T10] ipv6_find_idev+0x102/0x170 [ 325.870906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.870906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.870906][ T10] netlink_rcv_skb+0x130/0x360 [ 325.870906][ T10] netlink_unicast+0x449/0x710 [ 325.870906][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.870906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.870906][ T10] ___sys_sendmsg+0xee/0x170 [ 325.870906][ T10] __sys_sendmsg+0xcd/0x170 [ 325.870906][ T10] do_syscall_64+0xc6/0x1e0 [ 325.870906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.870906][ T10] [ 325.872914][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 325.873229][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 325.873229][ T10] netdev_get_by_index+0x5e/0x80 [ 325.873229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.873229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.873229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.873229][ T10] ipv6_add_addr+0x411/0x2000 [ 325.873229][ T10] inet6_addr_add+0x30e/0xa40 [ 325.873229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.873229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.873229][ T10] netlink_rcv_skb+0x130/0x360 [ 325.873229][ T10] netlink_unicast+0x449/0x710 [ 325.873229][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.873229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.873229][ T10] ___sys_sendmsg+0xee/0x170 [ 325.873229][ T10] __sys_sendmsg+0xcd/0x170 [ 325.873229][ T10] do_syscall_64+0xc6/0x1e0 [ 325.873229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.873229][ T10] [ 325.875523][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 325.875523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.875523][ T10] ipv6_find_idev+0x102/0x170 [ 325.875523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.875523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.875523][ T10] netlink_rcv_skb+0x130/0x360 [ 325.875523][ T10] netlink_unicast+0x449/0x710 [ 325.875523][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.875523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.875523][ T10] ___sys_sendmsg+0xee/0x170 [ 325.875523][ T10] __sys_sendmsg+0xcd/0x170 [ 325.875523][ T10] do_syscall_64+0xc6/0x1e0 [ 325.875523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.875523][ T10] [ 325.877252][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 325.877252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.877252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.877252][ T10] ipv6_find_idev+0x102/0x170 [ 325.877252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.877252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.877252][ T10] netlink_rcv_skb+0x130/0x360 [ 325.877252][ T10] netlink_unicast+0x449/0x710 [ 325.877252][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.877252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.877252][ T10] ___sys_sendmsg+0xee/0x170 [ 325.877252][ T10] __sys_sendmsg+0xcd/0x170 [ 325.877252][ T10] do_syscall_64+0xc6/0x1e0 [ 325.877252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.877252][ T10] [ 325.879557][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 325.880190][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 325.880190][ T10] netdev_get_by_index+0x5e/0x80 [ 325.880190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.880190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.880190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.880190][ T10] ipv6_add_addr+0x411/0x2000 [ 325.880190][ T10] inet6_addr_add+0x30e/0xa40 [ 325.880190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.880190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.880190][ T10] netlink_rcv_skb+0x130/0x360 [ 325.880190][ T10] netlink_unicast+0x449/0x710 [ 325.880190][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.880190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.880190][ T10] ___sys_sendmsg+0xee/0x170 [ 325.880190][ T10] __sys_sendmsg+0xcd/0x170 [ 325.880190][ T10] do_syscall_64+0xc6/0x1e0 [ 325.880190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.880190][ T10] [ 325.882461][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 325.882461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.882461][ T10] ipv6_find_idev+0x102/0x170 [ 325.882461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.882461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.882461][ T10] netlink_rcv_skb+0x130/0x360 [ 325.882461][ T10] netlink_unicast+0x449/0x710 [ 325.882461][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.882461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.882461][ T10] ___sys_sendmsg+0xee/0x170 [ 325.882461][ T10] __sys_sendmsg+0xcd/0x170 [ 325.882461][ T10] do_syscall_64+0xc6/0x1e0 [ 325.882461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.882461][ T10] [ 325.884195][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 325.884195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.884195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.884195][ T10] ipv6_find_idev+0x102/0x170 [ 325.884195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.884195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.884195][ T10] netlink_rcv_skb+0x130/0x360 [ 325.884195][ T10] netlink_unicast+0x449/0x710 [ 325.884195][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.884195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.884195][ T10] ___sys_sendmsg+0xee/0x170 [ 325.884195][ T10] __sys_sendmsg+0xcd/0x170 [ 325.884195][ T10] do_syscall_64+0xc6/0x1e0 [ 325.884195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.884195][ T10] [ 325.886096][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 325.886393][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 325.886393][ T10] netdev_get_by_index+0x5e/0x80 [ 325.886393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.886393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.886393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.886393][ T10] ipv6_add_addr+0x411/0x2000 [ 325.886393][ T10] inet6_addr_add+0x30e/0xa40 [ 325.886393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.886393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.886393][ T10] netlink_rcv_skb+0x130/0x360 [ 325.886393][ T10] netlink_unicast+0x449/0x710 [ 325.886393][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.886393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.886393][ T10] ___sys_sendmsg+0xee/0x170 [ 325.886393][ T10] __sys_sendmsg+0xcd/0x170 [ 325.886393][ T10] do_syscall_64+0xc6/0x1e0 [ 325.886393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.886393][ T10] [ 325.888658][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 325.888658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.888658][ T10] ipv6_find_idev+0x102/0x170 [ 325.888658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.888658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.888658][ T10] netlink_rcv_skb+0x130/0x360 [ 325.888658][ T10] netlink_unicast+0x449/0x710 [ 325.888658][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.888658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.888658][ T10] ___sys_sendmsg+0xee/0x170 [ 325.888658][ T10] __sys_sendmsg+0xcd/0x170 [ 325.888658][ T10] do_syscall_64+0xc6/0x1e0 [ 325.888658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.888658][ T10] [ 325.890473][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 325.890473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.890473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.890473][ T10] ipv6_find_idev+0x102/0x170 [ 325.890473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.890473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.890473][ T10] netlink_rcv_skb+0x130/0x360 [ 325.890473][ T10] netlink_unicast+0x449/0x710 [ 325.890473][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.890473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.890473][ T10] ___sys_sendmsg+0xee/0x170 [ 325.890473][ T10] __sys_sendmsg+0xcd/0x170 [ 325.890473][ T10] do_syscall_64+0xc6/0x1e0 [ 325.890473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.890473][ T10] [ 325.892523][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 325.892874][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 325.892874][ T10] netdev_get_by_index+0x5e/0x80 [ 325.892874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.892874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.892874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.892874][ T10] ipv6_add_addr+0x411/0x2000 [ 325.892874][ T10] inet6_addr_add+0x30e/0xa40 [ 325.892874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.892874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.892874][ T10] netlink_rcv_skb+0x130/0x360 [ 325.892874][ T10] netlink_unicast+0x449/0x710 [ 325.892874][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.892874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.892874][ T10] ___sys_sendmsg+0xee/0x170 [ 325.892874][ T10] __sys_sendmsg+0xcd/0x170 [ 325.892874][ T10] do_syscall_64+0xc6/0x1e0 [ 325.892874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.892874][ T10] [ 325.895293][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 325.895293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.895293][ T10] ipv6_find_idev+0x102/0x170 [ 325.895293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.895293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.895293][ T10] netlink_rcv_skb+0x130/0x360 [ 325.895293][ T10] netlink_unicast+0x449/0x710 [ 325.895293][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.895293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.895293][ T10] ___sys_sendmsg+0xee/0x170 [ 325.895293][ T10] __sys_sendmsg+0xcd/0x170 [ 325.895293][ T10] do_syscall_64+0xc6/0x1e0 [ 325.895293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.895293][ T10] [ 325.897103][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 325.897103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.897103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.897103][ T10] ipv6_find_idev+0x102/0x170 [ 325.897103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.897103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.897103][ T10] netlink_rcv_skb+0x130/0x360 [ 325.897103][ T10] netlink_unicast+0x449/0x710 [ 325.897103][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.897103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.897103][ T10] ___sys_sendmsg+0xee/0x170 [ 325.897103][ T10] __sys_sendmsg+0xcd/0x170 [ 325.897103][ T10] do_syscall_64+0xc6/0x1e0 [ 325.897103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.897103][ T10] [ 325.899192][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 325.899532][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 325.899532][ T10] netdev_get_by_index+0x5e/0x80 [ 325.899532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 325.899532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 325.899532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 325.899532][ T10] ipv6_add_addr+0x411/0x2000 [ 325.899532][ T10] inet6_addr_add+0x30e/0xa40 [ 325.899532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 325.899532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.899532][ T10] netlink_rcv_skb+0x130/0x360 [ 325.899532][ T10] netlink_unicast+0x449/0x710 [ 325.899532][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.899532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.899532][ T10] ___sys_sendmsg+0xee/0x170 [ 325.899532][ T10] __sys_sendmsg+0xcd/0x170 [ 325.899532][ T10] do_syscall_64+0xc6/0x1e0 [ 325.899532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.899532][ T10] [ 325.901852][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 325.901852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 325.901852][ T10] ipv6_find_idev+0x102/0x170 [ 325.901852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.901852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.901852][ T10] netlink_rcv_skb+0x130/0x360 [ 325.901852][ T10] netlink_unicast+0x449/0x710 [ 325.901852][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.901852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.901852][ T10] ___sys_sendmsg+0xee/0x170 [ 325.901852][ T10] __sys_sendmsg+0xcd/0x170 [ 325.901852][ T10] do_syscall_64+0xc6/0x1e0 [ 325.901852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.901852][ T10] [ 325.903752][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 325.903752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 325.903752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 325.903752][ T10] ipv6_find_idev+0x102/0x170 [ 325.903752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 325.903752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 325.903752][ T10] netlink_rcv_skb+0x130/0x360 [ 325.903752][ T10] netlink_unicast+0x449/0x710 [ 325.903752][ T10] netlink_sendmsg+0x723/0xbe0 [ 325.903752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 325.903752][ T10] ___sys_sendmsg+0xee/0x170 [ 325.903752][ T10] __sys_sendmsg+0xcd/0x170 [ 325.903752][ T10] do_syscall_64+0xc6/0x1e0 [ 325.903752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 325.903752][ T10] [ 336.141974][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 336.142543][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 336.142543][ T10] netdev_get_by_index+0x5e/0x80 [ 336.142543][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.142543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.142543][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.142543][ T10] ipv6_add_addr+0x411/0x2000 [ 336.142543][ T10] inet6_addr_add+0x30e/0xa40 [ 336.142543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.142543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.142543][ T10] netlink_rcv_skb+0x130/0x360 [ 336.142543][ T10] netlink_unicast+0x449/0x710 [ 336.142543][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.142543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.142543][ T10] ___sys_sendmsg+0xee/0x170 [ 336.142543][ T10] __sys_sendmsg+0xcd/0x170 [ 336.142543][ T10] do_syscall_64+0xc6/0x1e0 [ 336.142543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.142543][ T10] [ 336.144877][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 336.144877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.144877][ T10] ipv6_find_idev+0x102/0x170 [ 336.144877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.144877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.144877][ T10] netlink_rcv_skb+0x130/0x360 [ 336.144877][ T10] netlink_unicast+0x449/0x710 [ 336.144877][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.144877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.144877][ T10] ___sys_sendmsg+0xee/0x170 [ 336.144877][ T10] __sys_sendmsg+0xcd/0x170 [ 336.144877][ T10] do_syscall_64+0xc6/0x1e0 [ 336.144877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.144877][ T10] [ 336.146653][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 336.146653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.146653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.146653][ T10] ipv6_find_idev+0x102/0x170 [ 336.146653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.146653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.146653][ T10] netlink_rcv_skb+0x130/0x360 [ 336.146653][ T10] netlink_unicast+0x449/0x710 [ 336.146653][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.146653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.146653][ T10] ___sys_sendmsg+0xee/0x170 [ 336.146653][ T10] __sys_sendmsg+0xcd/0x170 [ 336.146653][ T10] do_syscall_64+0xc6/0x1e0 [ 336.146653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.146653][ T10] [ 336.148609][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 336.148959][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 336.148959][ T10] netdev_get_by_index+0x5e/0x80 [ 336.148959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.148959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.148959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.148959][ T10] ipv6_add_addr+0x411/0x2000 [ 336.148959][ T10] inet6_addr_add+0x30e/0xa40 [ 336.148959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.148959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.148959][ T10] netlink_rcv_skb+0x130/0x360 [ 336.148959][ T10] netlink_unicast+0x449/0x710 [ 336.148959][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.148959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.148959][ T10] ___sys_sendmsg+0xee/0x170 [ 336.148959][ T10] __sys_sendmsg+0xcd/0x170 [ 336.148959][ T10] do_syscall_64+0xc6/0x1e0 [ 336.148959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.148959][ T10] [ 336.151227][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 336.151227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.151227][ T10] ipv6_find_idev+0x102/0x170 [ 336.151227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.151227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.151227][ T10] netlink_rcv_skb+0x130/0x360 [ 336.151227][ T10] netlink_unicast+0x449/0x710 [ 336.151227][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.151227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.151227][ T10] ___sys_sendmsg+0xee/0x170 [ 336.151227][ T10] __sys_sendmsg+0xcd/0x170 [ 336.151227][ T10] do_syscall_64+0xc6/0x1e0 [ 336.151227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.151227][ T10] [ 336.153036][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 336.153036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.153036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.153036][ T10] ipv6_find_idev+0x102/0x170 [ 336.153036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.153036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.153036][ T10] netlink_rcv_skb+0x130/0x360 [ 336.153036][ T10] netlink_unicast+0x449/0x710 [ 336.153036][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.153036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.153036][ T10] ___sys_sendmsg+0xee/0x170 [ 336.153036][ T10] __sys_sendmsg+0xcd/0x170 [ 336.153036][ T10] do_syscall_64+0xc6/0x1e0 [ 336.153036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.153036][ T10] [ 336.154962][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 336.155256][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 336.155256][ T10] netdev_get_by_index+0x5e/0x80 [ 336.155256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.155256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.155256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.155256][ T10] ipv6_add_addr+0x411/0x2000 [ 336.155256][ T10] inet6_addr_add+0x30e/0xa40 [ 336.155256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.155256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.155256][ T10] netlink_rcv_skb+0x130/0x360 [ 336.155256][ T10] netlink_unicast+0x449/0x710 [ 336.155256][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.155256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.155256][ T10] ___sys_sendmsg+0xee/0x170 [ 336.155256][ T10] __sys_sendmsg+0xcd/0x170 [ 336.155256][ T10] do_syscall_64+0xc6/0x1e0 [ 336.155256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.155256][ T10] [ 336.157513][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 336.157513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.157513][ T10] ipv6_find_idev+0x102/0x170 [ 336.157513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.157513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.157513][ T10] netlink_rcv_skb+0x130/0x360 [ 336.157513][ T10] netlink_unicast+0x449/0x710 [ 336.157513][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.157513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.157513][ T10] ___sys_sendmsg+0xee/0x170 [ 336.157513][ T10] __sys_sendmsg+0xcd/0x170 [ 336.157513][ T10] do_syscall_64+0xc6/0x1e0 [ 336.157513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.157513][ T10] [ 336.159272][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 336.159272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.159272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.159272][ T10] ipv6_find_idev+0x102/0x170 [ 336.159272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.159272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.159272][ T10] netlink_rcv_skb+0x130/0x360 [ 336.159272][ T10] netlink_unicast+0x449/0x710 [ 336.159272][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.159272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.159272][ T10] ___sys_sendmsg+0xee/0x170 [ 336.159272][ T10] __sys_sendmsg+0xcd/0x170 [ 336.159272][ T10] do_syscall_64+0xc6/0x1e0 [ 336.159272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.159272][ T10] [ 336.161203][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 336.161510][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 336.161510][ T10] netdev_get_by_index+0x5e/0x80 [ 336.161510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.161510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.161510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.161510][ T10] ipv6_add_addr+0x411/0x2000 [ 336.161510][ T10] inet6_addr_add+0x30e/0xa40 [ 336.161510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.161510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.161510][ T10] netlink_rcv_skb+0x130/0x360 [ 336.161510][ T10] netlink_unicast+0x449/0x710 [ 336.161510][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.161510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.161510][ T10] ___sys_sendmsg+0xee/0x170 [ 336.161510][ T10] __sys_sendmsg+0xcd/0x170 [ 336.161510][ T10] do_syscall_64+0xc6/0x1e0 [ 336.161510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.161510][ T10] [ 336.163792][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 336.163792][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.163792][ T10] ipv6_find_idev+0x102/0x170 [ 336.163792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.163792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.163792][ T10] netlink_rcv_skb+0x130/0x360 [ 336.163792][ T10] netlink_unicast+0x449/0x710 [ 336.163792][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.163792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.163792][ T10] ___sys_sendmsg+0xee/0x170 [ 336.163792][ T10] __sys_sendmsg+0xcd/0x170 [ 336.163792][ T10] do_syscall_64+0xc6/0x1e0 [ 336.163792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.163792][ T10] [ 336.165512][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 336.165512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.165512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.165512][ T10] ipv6_find_idev+0x102/0x170 [ 336.165512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.165512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.165512][ T10] netlink_rcv_skb+0x130/0x360 [ 336.165512][ T10] netlink_unicast+0x449/0x710 [ 336.165512][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.165512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.165512][ T10] ___sys_sendmsg+0xee/0x170 [ 336.165512][ T10] __sys_sendmsg+0xcd/0x170 [ 336.165512][ T10] do_syscall_64+0xc6/0x1e0 [ 336.165512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.165512][ T10] [ 336.167489][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 336.167851][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 336.167851][ T10] netdev_get_by_index+0x5e/0x80 [ 336.167851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.167851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.167851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.167851][ T10] ipv6_add_addr+0x411/0x2000 [ 336.167851][ T10] inet6_addr_add+0x30e/0xa40 [ 336.167851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.167851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.167851][ T10] netlink_rcv_skb+0x130/0x360 [ 336.167851][ T10] netlink_unicast+0x449/0x710 [ 336.167851][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.167851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.167851][ T10] ___sys_sendmsg+0xee/0x170 [ 336.167851][ T10] __sys_sendmsg+0xcd/0x170 [ 336.167851][ T10] do_syscall_64+0xc6/0x1e0 [ 336.167851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.167851][ T10] [ 336.170081][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 336.170081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.170081][ T10] ipv6_find_idev+0x102/0x170 [ 336.170081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.170081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.170081][ T10] netlink_rcv_skb+0x130/0x360 [ 336.170081][ T10] netlink_unicast+0x449/0x710 [ 336.170081][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.170081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.170081][ T10] ___sys_sendmsg+0xee/0x170 [ 336.170081][ T10] __sys_sendmsg+0xcd/0x170 [ 336.170081][ T10] do_syscall_64+0xc6/0x1e0 [ 336.170081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.170081][ T10] [ 336.171840][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 336.171840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.171840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.171840][ T10] ipv6_find_idev+0x102/0x170 [ 336.171840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.171840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.171840][ T10] netlink_rcv_skb+0x130/0x360 [ 336.171840][ T10] netlink_unicast+0x449/0x710 [ 336.171840][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.171840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.171840][ T10] ___sys_sendmsg+0xee/0x170 [ 336.171840][ T10] __sys_sendmsg+0xcd/0x170 [ 336.171840][ T10] do_syscall_64+0xc6/0x1e0 [ 336.171840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.171840][ T10] [ 336.174017][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 336.174365][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 336.174365][ T10] netdev_get_by_index+0x5e/0x80 [ 336.174365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.174365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.174365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.174365][ T10] ipv6_add_addr+0x411/0x2000 [ 336.174365][ T10] inet6_addr_add+0x30e/0xa40 [ 336.174365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.174365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.174365][ T10] netlink_rcv_skb+0x130/0x360 [ 336.174365][ T10] netlink_unicast+0x449/0x710 [ 336.174365][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.174365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.174365][ T10] ___sys_sendmsg+0xee/0x170 [ 336.174365][ T10] __sys_sendmsg+0xcd/0x170 [ 336.174365][ T10] do_syscall_64+0xc6/0x1e0 [ 336.174365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.174365][ T10] [ 336.176820][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 336.176820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.176820][ T10] ipv6_find_idev+0x102/0x170 [ 336.176820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.176820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.176820][ T10] netlink_rcv_skb+0x130/0x360 [ 336.176820][ T10] netlink_unicast+0x449/0x710 [ 336.176820][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.176820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.176820][ T10] ___sys_sendmsg+0xee/0x170 [ 336.176820][ T10] __sys_sendmsg+0xcd/0x170 [ 336.176820][ T10] do_syscall_64+0xc6/0x1e0 [ 336.176820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.176820][ T10] [ 336.178781][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 336.178781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.178781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.178781][ T10] ipv6_find_idev+0x102/0x170 [ 336.178781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.178781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.178781][ T10] netlink_rcv_skb+0x130/0x360 [ 336.178781][ T10] netlink_unicast+0x449/0x710 [ 336.178781][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.178781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.178781][ T10] ___sys_sendmsg+0xee/0x170 [ 336.178781][ T10] __sys_sendmsg+0xcd/0x170 [ 336.178781][ T10] do_syscall_64+0xc6/0x1e0 [ 336.178781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.178781][ T10] [ 336.180901][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 336.181242][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 336.181242][ T10] netdev_get_by_index+0x5e/0x80 [ 336.181242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.181242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.181242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.181242][ T10] ipv6_add_addr+0x411/0x2000 [ 336.181242][ T10] inet6_addr_add+0x30e/0xa40 [ 336.181242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.181242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.181242][ T10] netlink_rcv_skb+0x130/0x360 [ 336.181242][ T10] netlink_unicast+0x449/0x710 [ 336.181242][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.181242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.181242][ T10] ___sys_sendmsg+0xee/0x170 [ 336.181242][ T10] __sys_sendmsg+0xcd/0x170 [ 336.181242][ T10] do_syscall_64+0xc6/0x1e0 [ 336.181242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.181242][ T10] [ 336.183713][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 336.183713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.183713][ T10] ipv6_find_idev+0x102/0x170 [ 336.183713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.183713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.183713][ T10] netlink_rcv_skb+0x130/0x360 [ 336.183713][ T10] netlink_unicast+0x449/0x710 [ 336.183713][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.183713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.183713][ T10] ___sys_sendmsg+0xee/0x170 [ 336.183713][ T10] __sys_sendmsg+0xcd/0x170 [ 336.183713][ T10] do_syscall_64+0xc6/0x1e0 [ 336.183713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.183713][ T10] [ 336.185612][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 336.185612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.185612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.185612][ T10] ipv6_find_idev+0x102/0x170 [ 336.185612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.185612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.185612][ T10] netlink_rcv_skb+0x130/0x360 [ 336.185612][ T10] netlink_unicast+0x449/0x710 [ 336.185612][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.185612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.185612][ T10] ___sys_sendmsg+0xee/0x170 [ 336.185612][ T10] __sys_sendmsg+0xcd/0x170 [ 336.185612][ T10] do_syscall_64+0xc6/0x1e0 [ 336.185612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.185612][ T10] [ 336.187715][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 336.188081][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 336.188081][ T10] netdev_get_by_index+0x5e/0x80 [ 336.188081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 336.188081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 336.188081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 336.188081][ T10] ipv6_add_addr+0x411/0x2000 [ 336.188081][ T10] inet6_addr_add+0x30e/0xa40 [ 336.188081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 336.188081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.188081][ T10] netlink_rcv_skb+0x130/0x360 [ 336.188081][ T10] netlink_unicast+0x449/0x710 [ 336.188081][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.188081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.188081][ T10] ___sys_sendmsg+0xee/0x170 [ 336.188081][ T10] __sys_sendmsg+0xcd/0x170 [ 336.188081][ T10] do_syscall_64+0xc6/0x1e0 [ 336.188081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.188081][ T10] [ 336.190603][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 336.190603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 336.190603][ T10] ipv6_find_idev+0x102/0x170 [ 336.190603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.190603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.190603][ T10] netlink_rcv_skb+0x130/0x360 [ 336.190603][ T10] netlink_unicast+0x449/0x710 [ 336.190603][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.190603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.190603][ T10] ___sys_sendmsg+0xee/0x170 [ 336.190603][ T10] __sys_sendmsg+0xcd/0x170 [ 336.190603][ T10] do_syscall_64+0xc6/0x1e0 [ 336.190603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.190603][ T10] [ 336.192540][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 336.192540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 336.192540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 336.192540][ T10] ipv6_find_idev+0x102/0x170 [ 336.192540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 336.192540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 336.192540][ T10] netlink_rcv_skb+0x130/0x360 [ 336.192540][ T10] netlink_unicast+0x449/0x710 [ 336.192540][ T10] netlink_sendmsg+0x723/0xbe0 [ 336.192540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 336.192540][ T10] ___sys_sendmsg+0xee/0x170 [ 336.192540][ T10] __sys_sendmsg+0xcd/0x170 [ 336.192540][ T10] do_syscall_64+0xc6/0x1e0 [ 336.192540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 336.192540][ T10] [ 346.429942][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 346.430687][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 346.430687][ T10] netdev_get_by_index+0x5e/0x80 [ 346.430687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.430687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.430687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.430687][ T10] ipv6_add_addr+0x411/0x2000 [ 346.430687][ T10] inet6_addr_add+0x30e/0xa40 [ 346.430687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.430687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.430687][ T10] netlink_rcv_skb+0x130/0x360 [ 346.430687][ T10] netlink_unicast+0x449/0x710 [ 346.430687][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.430687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.430687][ T10] ___sys_sendmsg+0xee/0x170 [ 346.430687][ T10] __sys_sendmsg+0xcd/0x170 [ 346.430687][ T10] do_syscall_64+0xc6/0x1e0 [ 346.430687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.430687][ T10] [ 346.434036][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 346.434036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.434036][ T10] ipv6_find_idev+0x102/0x170 [ 346.434036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.434036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.434036][ T10] netlink_rcv_skb+0x130/0x360 [ 346.434036][ T10] netlink_unicast+0x449/0x710 [ 346.434036][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.434036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.434036][ T10] ___sys_sendmsg+0xee/0x170 [ 346.434036][ T10] __sys_sendmsg+0xcd/0x170 [ 346.434036][ T10] do_syscall_64+0xc6/0x1e0 [ 346.434036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.434036][ T10] [ 346.436702][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 346.436702][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.436702][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.436702][ T10] ipv6_find_idev+0x102/0x170 [ 346.436702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.436702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.436702][ T10] netlink_rcv_skb+0x130/0x360 [ 346.436702][ T10] netlink_unicast+0x449/0x710 [ 346.436702][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.436702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.436702][ T10] ___sys_sendmsg+0xee/0x170 [ 346.436702][ T10] __sys_sendmsg+0xcd/0x170 [ 346.436702][ T10] do_syscall_64+0xc6/0x1e0 [ 346.436702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.436702][ T10] [ 346.439712][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 346.440245][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 346.440245][ T10] netdev_get_by_index+0x5e/0x80 [ 346.440245][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.440245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.440245][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.440245][ T10] ipv6_add_addr+0x411/0x2000 [ 346.440245][ T10] inet6_addr_add+0x30e/0xa40 [ 346.440245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.440245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.440245][ T10] netlink_rcv_skb+0x130/0x360 [ 346.440245][ T10] netlink_unicast+0x449/0x710 [ 346.440245][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.440245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.440245][ T10] ___sys_sendmsg+0xee/0x170 [ 346.440245][ T10] __sys_sendmsg+0xcd/0x170 [ 346.440245][ T10] do_syscall_64+0xc6/0x1e0 [ 346.440245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.440245][ T10] [ 346.443761][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 346.443761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.443761][ T10] ipv6_find_idev+0x102/0x170 [ 346.443761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.443761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.443761][ T10] netlink_rcv_skb+0x130/0x360 [ 346.443761][ T10] netlink_unicast+0x449/0x710 [ 346.443761][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.443761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.443761][ T10] ___sys_sendmsg+0xee/0x170 [ 346.443761][ T10] __sys_sendmsg+0xcd/0x170 [ 346.443761][ T10] do_syscall_64+0xc6/0x1e0 [ 346.443761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.443761][ T10] [ 346.446494][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 346.446494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.446494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.446494][ T10] ipv6_find_idev+0x102/0x170 [ 346.446494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.446494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.446494][ T10] netlink_rcv_skb+0x130/0x360 [ 346.446494][ T10] netlink_unicast+0x449/0x710 [ 346.446494][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.446494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.446494][ T10] ___sys_sendmsg+0xee/0x170 [ 346.446494][ T10] __sys_sendmsg+0xcd/0x170 [ 346.446494][ T10] do_syscall_64+0xc6/0x1e0 [ 346.446494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.446494][ T10] [ 346.449530][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 346.450022][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 346.450022][ T10] netdev_get_by_index+0x5e/0x80 [ 346.450022][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.450022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.450022][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.450022][ T10] ipv6_add_addr+0x411/0x2000 [ 346.450022][ T10] inet6_addr_add+0x30e/0xa40 [ 346.450022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.450022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.450022][ T10] netlink_rcv_skb+0x130/0x360 [ 346.450022][ T10] netlink_unicast+0x449/0x710 [ 346.450022][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.450022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.450022][ T10] ___sys_sendmsg+0xee/0x170 [ 346.450022][ T10] __sys_sendmsg+0xcd/0x170 [ 346.450022][ T10] do_syscall_64+0xc6/0x1e0 [ 346.450022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.450022][ T10] [ 346.453586][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 346.453586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.453586][ T10] ipv6_find_idev+0x102/0x170 [ 346.453586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.453586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.453586][ T10] netlink_rcv_skb+0x130/0x360 [ 346.453586][ T10] netlink_unicast+0x449/0x710 [ 346.453586][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.453586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.453586][ T10] ___sys_sendmsg+0xee/0x170 [ 346.453586][ T10] __sys_sendmsg+0xcd/0x170 [ 346.453586][ T10] do_syscall_64+0xc6/0x1e0 [ 346.453586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.453586][ T10] [ 346.456284][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 346.456284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.456284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.456284][ T10] ipv6_find_idev+0x102/0x170 [ 346.456284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.456284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.456284][ T10] netlink_rcv_skb+0x130/0x360 [ 346.456284][ T10] netlink_unicast+0x449/0x710 [ 346.456284][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.456284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.456284][ T10] ___sys_sendmsg+0xee/0x170 [ 346.456284][ T10] __sys_sendmsg+0xcd/0x170 [ 346.456284][ T10] do_syscall_64+0xc6/0x1e0 [ 346.456284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.456284][ T10] [ 346.459287][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 346.459769][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 346.459769][ T10] netdev_get_by_index+0x5e/0x80 [ 346.459769][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.459769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.459769][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.459769][ T10] ipv6_add_addr+0x411/0x2000 [ 346.459769][ T10] inet6_addr_add+0x30e/0xa40 [ 346.459769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.459769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.459769][ T10] netlink_rcv_skb+0x130/0x360 [ 346.459769][ T10] netlink_unicast+0x449/0x710 [ 346.459769][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.459769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.459769][ T10] ___sys_sendmsg+0xee/0x170 [ 346.459769][ T10] __sys_sendmsg+0xcd/0x170 [ 346.459769][ T10] do_syscall_64+0xc6/0x1e0 [ 346.459769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.459769][ T10] [ 346.463331][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 346.463331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.463331][ T10] ipv6_find_idev+0x102/0x170 [ 346.463331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.463331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.463331][ T10] netlink_rcv_skb+0x130/0x360 [ 346.463331][ T10] netlink_unicast+0x449/0x710 [ 346.463331][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.463331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.463331][ T10] ___sys_sendmsg+0xee/0x170 [ 346.463331][ T10] __sys_sendmsg+0xcd/0x170 [ 346.463331][ T10] do_syscall_64+0xc6/0x1e0 [ 346.463331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.463331][ T10] [ 346.465983][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 346.465983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.465983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.465983][ T10] ipv6_find_idev+0x102/0x170 [ 346.465983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.465983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.465983][ T10] netlink_rcv_skb+0x130/0x360 [ 346.465983][ T10] netlink_unicast+0x449/0x710 [ 346.465983][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.465983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.465983][ T10] ___sys_sendmsg+0xee/0x170 [ 346.465983][ T10] __sys_sendmsg+0xcd/0x170 [ 346.465983][ T10] do_syscall_64+0xc6/0x1e0 [ 346.465983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.465983][ T10] [ 346.469568][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 346.470707][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 346.470707][ T10] netdev_get_by_index+0x5e/0x80 [ 346.470707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.470707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.470707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.470707][ T10] ipv6_add_addr+0x411/0x2000 [ 346.470707][ T10] inet6_addr_add+0x30e/0xa40 [ 346.470707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.470707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.470707][ T10] netlink_rcv_skb+0x130/0x360 [ 346.470707][ T10] netlink_unicast+0x449/0x710 [ 346.470707][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.470707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.470707][ T10] ___sys_sendmsg+0xee/0x170 [ 346.470707][ T10] __sys_sendmsg+0xcd/0x170 [ 346.470707][ T10] do_syscall_64+0xc6/0x1e0 [ 346.470707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.470707][ T10] [ 346.474284][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 346.474284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.474284][ T10] ipv6_find_idev+0x102/0x170 [ 346.474284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.474284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.474284][ T10] netlink_rcv_skb+0x130/0x360 [ 346.474284][ T10] netlink_unicast+0x449/0x710 [ 346.474284][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.474284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.474284][ T10] ___sys_sendmsg+0xee/0x170 [ 346.474284][ T10] __sys_sendmsg+0xcd/0x170 [ 346.474284][ T10] do_syscall_64+0xc6/0x1e0 [ 346.474284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.474284][ T10] [ 346.476511][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 346.476511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.476511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.476511][ T10] ipv6_find_idev+0x102/0x170 [ 346.476511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.476511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.476511][ T10] netlink_rcv_skb+0x130/0x360 [ 346.476511][ T10] netlink_unicast+0x449/0x710 [ 346.476511][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.476511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.476511][ T10] ___sys_sendmsg+0xee/0x170 [ 346.476511][ T10] __sys_sendmsg+0xcd/0x170 [ 346.476511][ T10] do_syscall_64+0xc6/0x1e0 [ 346.476511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.476511][ T10] [ 346.478632][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 346.479038][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 346.479038][ T10] netdev_get_by_index+0x5e/0x80 [ 346.479038][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.479038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.479038][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.479038][ T10] ipv6_add_addr+0x411/0x2000 [ 346.479038][ T10] inet6_addr_add+0x30e/0xa40 [ 346.479038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.479038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.479038][ T10] netlink_rcv_skb+0x130/0x360 [ 346.479038][ T10] netlink_unicast+0x449/0x710 [ 346.479038][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.479038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.479038][ T10] ___sys_sendmsg+0xee/0x170 [ 346.479038][ T10] __sys_sendmsg+0xcd/0x170 [ 346.479038][ T10] do_syscall_64+0xc6/0x1e0 [ 346.479038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.479038][ T10] [ 346.481597][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 346.481597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.481597][ T10] ipv6_find_idev+0x102/0x170 [ 346.481597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.481597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.481597][ T10] netlink_rcv_skb+0x130/0x360 [ 346.481597][ T10] netlink_unicast+0x449/0x710 [ 346.481597][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.481597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.481597][ T10] ___sys_sendmsg+0xee/0x170 [ 346.481597][ T10] __sys_sendmsg+0xcd/0x170 [ 346.481597][ T10] do_syscall_64+0xc6/0x1e0 [ 346.481597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.481597][ T10] [ 346.483745][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 346.483745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.483745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.483745][ T10] ipv6_find_idev+0x102/0x170 [ 346.483745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.483745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.483745][ T10] netlink_rcv_skb+0x130/0x360 [ 346.483745][ T10] netlink_unicast+0x449/0x710 [ 346.483745][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.483745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.483745][ T10] ___sys_sendmsg+0xee/0x170 [ 346.483745][ T10] __sys_sendmsg+0xcd/0x170 [ 346.483745][ T10] do_syscall_64+0xc6/0x1e0 [ 346.483745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.483745][ T10] [ 346.486192][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 346.486562][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 346.486562][ T10] netdev_get_by_index+0x5e/0x80 [ 346.486562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.486562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.486562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.486562][ T10] ipv6_add_addr+0x411/0x2000 [ 346.486562][ T10] inet6_addr_add+0x30e/0xa40 [ 346.486562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.486562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.486562][ T10] netlink_rcv_skb+0x130/0x360 [ 346.486562][ T10] netlink_unicast+0x449/0x710 [ 346.486562][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.486562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.486562][ T10] ___sys_sendmsg+0xee/0x170 [ 346.486562][ T10] __sys_sendmsg+0xcd/0x170 [ 346.486562][ T10] do_syscall_64+0xc6/0x1e0 [ 346.486562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.486562][ T10] [ 346.489222][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 346.489222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.489222][ T10] ipv6_find_idev+0x102/0x170 [ 346.489222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.489222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.489222][ T10] netlink_rcv_skb+0x130/0x360 [ 346.489222][ T10] netlink_unicast+0x449/0x710 [ 346.489222][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.489222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.489222][ T10] ___sys_sendmsg+0xee/0x170 [ 346.489222][ T10] __sys_sendmsg+0xcd/0x170 [ 346.489222][ T10] do_syscall_64+0xc6/0x1e0 [ 346.489222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.489222][ T10] [ 346.491521][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 346.491521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.491521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.491521][ T10] ipv6_find_idev+0x102/0x170 [ 346.491521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.491521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.491521][ T10] netlink_rcv_skb+0x130/0x360 [ 346.491521][ T10] netlink_unicast+0x449/0x710 [ 346.491521][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.491521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.491521][ T10] ___sys_sendmsg+0xee/0x170 [ 346.491521][ T10] __sys_sendmsg+0xcd/0x170 [ 346.491521][ T10] do_syscall_64+0xc6/0x1e0 [ 346.491521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.491521][ T10] [ 346.493893][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 346.494259][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 346.494259][ T10] netdev_get_by_index+0x5e/0x80 [ 346.494259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 346.494259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 346.494259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 346.494259][ T10] ipv6_add_addr+0x411/0x2000 [ 346.494259][ T10] inet6_addr_add+0x30e/0xa40 [ 346.494259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 346.494259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.494259][ T10] netlink_rcv_skb+0x130/0x360 [ 346.494259][ T10] netlink_unicast+0x449/0x710 [ 346.494259][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.494259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.494259][ T10] ___sys_sendmsg+0xee/0x170 [ 346.494259][ T10] __sys_sendmsg+0xcd/0x170 [ 346.494259][ T10] do_syscall_64+0xc6/0x1e0 [ 346.494259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.494259][ T10] [ 346.496899][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 346.496899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 346.496899][ T10] ipv6_find_idev+0x102/0x170 [ 346.496899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.496899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.496899][ T10] netlink_rcv_skb+0x130/0x360 [ 346.496899][ T10] netlink_unicast+0x449/0x710 [ 346.496899][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.496899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.496899][ T10] ___sys_sendmsg+0xee/0x170 [ 346.496899][ T10] __sys_sendmsg+0xcd/0x170 [ 346.496899][ T10] do_syscall_64+0xc6/0x1e0 [ 346.496899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.496899][ T10] [ 346.499041][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 346.499041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 346.499041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 346.499041][ T10] ipv6_find_idev+0x102/0x170 [ 346.499041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 346.499041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 346.499041][ T10] netlink_rcv_skb+0x130/0x360 [ 346.499041][ T10] netlink_unicast+0x449/0x710 [ 346.499041][ T10] netlink_sendmsg+0x723/0xbe0 [ 346.499041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 346.499041][ T10] ___sys_sendmsg+0xee/0x170 [ 346.499041][ T10] __sys_sendmsg+0xcd/0x170 [ 346.499041][ T10] do_syscall_64+0xc6/0x1e0 [ 346.499041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 346.499041][ T10] [ 356.742014][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 356.742690][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 356.742690][ T10] netdev_get_by_index+0x5e/0x80 [ 356.742690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.742690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.742690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.742690][ T10] ipv6_add_addr+0x411/0x2000 [ 356.742690][ T10] inet6_addr_add+0x30e/0xa40 [ 356.742690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.742690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.742690][ T10] netlink_rcv_skb+0x130/0x360 [ 356.742690][ T10] netlink_unicast+0x449/0x710 [ 356.742690][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.742690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.742690][ T10] ___sys_sendmsg+0xee/0x170 [ 356.742690][ T10] __sys_sendmsg+0xcd/0x170 [ 356.742690][ T10] do_syscall_64+0xc6/0x1e0 [ 356.742690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.742690][ T10] [ 356.744930][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 356.744930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.744930][ T10] ipv6_find_idev+0x102/0x170 [ 356.744930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.744930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.744930][ T10] netlink_rcv_skb+0x130/0x360 [ 356.744930][ T10] netlink_unicast+0x449/0x710 [ 356.744930][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.744930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.744930][ T10] ___sys_sendmsg+0xee/0x170 [ 356.744930][ T10] __sys_sendmsg+0xcd/0x170 [ 356.744930][ T10] do_syscall_64+0xc6/0x1e0 [ 356.744930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.744930][ T10] [ 356.746496][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 356.746496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.746496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.746496][ T10] ipv6_find_idev+0x102/0x170 [ 356.746496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.746496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.746496][ T10] netlink_rcv_skb+0x130/0x360 [ 356.746496][ T10] netlink_unicast+0x449/0x710 [ 356.746496][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.746496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.746496][ T10] ___sys_sendmsg+0xee/0x170 [ 356.746496][ T10] __sys_sendmsg+0xcd/0x170 [ 356.746496][ T10] do_syscall_64+0xc6/0x1e0 [ 356.746496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.746496][ T10] [ 356.748295][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 356.748623][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 356.748623][ T10] netdev_get_by_index+0x5e/0x80 [ 356.748623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.748623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.748623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.748623][ T10] ipv6_add_addr+0x411/0x2000 [ 356.748623][ T10] inet6_addr_add+0x30e/0xa40 [ 356.748623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.748623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.748623][ T10] netlink_rcv_skb+0x130/0x360 [ 356.748623][ T10] netlink_unicast+0x449/0x710 [ 356.748623][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.748623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.748623][ T10] ___sys_sendmsg+0xee/0x170 [ 356.748623][ T10] __sys_sendmsg+0xcd/0x170 [ 356.748623][ T10] do_syscall_64+0xc6/0x1e0 [ 356.748623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.748623][ T10] [ 356.750671][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 356.750671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.750671][ T10] ipv6_find_idev+0x102/0x170 [ 356.750671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.750671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.750671][ T10] netlink_rcv_skb+0x130/0x360 [ 356.750671][ T10] netlink_unicast+0x449/0x710 [ 356.750671][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.750671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.750671][ T10] ___sys_sendmsg+0xee/0x170 [ 356.750671][ T10] __sys_sendmsg+0xcd/0x170 [ 356.750671][ T10] do_syscall_64+0xc6/0x1e0 [ 356.750671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.750671][ T10] [ 356.752264][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 356.752264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.752264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.752264][ T10] ipv6_find_idev+0x102/0x170 [ 356.752264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.752264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.752264][ T10] netlink_rcv_skb+0x130/0x360 [ 356.752264][ T10] netlink_unicast+0x449/0x710 [ 356.752264][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.752264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.752264][ T10] ___sys_sendmsg+0xee/0x170 [ 356.752264][ T10] __sys_sendmsg+0xcd/0x170 [ 356.752264][ T10] do_syscall_64+0xc6/0x1e0 [ 356.752264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.752264][ T10] [ 356.754017][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 356.754296][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 356.754296][ T10] netdev_get_by_index+0x5e/0x80 [ 356.754296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.754296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.754296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.754296][ T10] ipv6_add_addr+0x411/0x2000 [ 356.754296][ T10] inet6_addr_add+0x30e/0xa40 [ 356.754296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.754296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.754296][ T10] netlink_rcv_skb+0x130/0x360 [ 356.754296][ T10] netlink_unicast+0x449/0x710 [ 356.754296][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.754296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.754296][ T10] ___sys_sendmsg+0xee/0x170 [ 356.754296][ T10] __sys_sendmsg+0xcd/0x170 [ 356.754296][ T10] do_syscall_64+0xc6/0x1e0 [ 356.754296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.754296][ T10] [ 356.756347][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 356.756347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.756347][ T10] ipv6_find_idev+0x102/0x170 [ 356.756347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.756347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.756347][ T10] netlink_rcv_skb+0x130/0x360 [ 356.756347][ T10] netlink_unicast+0x449/0x710 [ 356.756347][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.756347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.756347][ T10] ___sys_sendmsg+0xee/0x170 [ 356.756347][ T10] __sys_sendmsg+0xcd/0x170 [ 356.756347][ T10] do_syscall_64+0xc6/0x1e0 [ 356.756347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.756347][ T10] [ 356.757969][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 356.757969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.757969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.757969][ T10] ipv6_find_idev+0x102/0x170 [ 356.757969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.757969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.757969][ T10] netlink_rcv_skb+0x130/0x360 [ 356.757969][ T10] netlink_unicast+0x449/0x710 [ 356.757969][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.757969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.757969][ T10] ___sys_sendmsg+0xee/0x170 [ 356.757969][ T10] __sys_sendmsg+0xcd/0x170 [ 356.757969][ T10] do_syscall_64+0xc6/0x1e0 [ 356.757969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.757969][ T10] [ 356.760510][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 356.761715][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 356.761715][ T10] netdev_get_by_index+0x5e/0x80 [ 356.761715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.761715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.761715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.761715][ T10] ipv6_add_addr+0x411/0x2000 [ 356.761715][ T10] inet6_addr_add+0x30e/0xa40 [ 356.761715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.761715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.761715][ T10] netlink_rcv_skb+0x130/0x360 [ 356.761715][ T10] netlink_unicast+0x449/0x710 [ 356.761715][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.761715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.761715][ T10] ___sys_sendmsg+0xee/0x170 [ 356.761715][ T10] __sys_sendmsg+0xcd/0x170 [ 356.761715][ T10] do_syscall_64+0xc6/0x1e0 [ 356.761715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.761715][ T10] [ 356.764700][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 356.764700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.764700][ T10] ipv6_find_idev+0x102/0x170 [ 356.764700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.764700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.764700][ T10] netlink_rcv_skb+0x130/0x360 [ 356.764700][ T10] netlink_unicast+0x449/0x710 [ 356.764700][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.764700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.764700][ T10] ___sys_sendmsg+0xee/0x170 [ 356.764700][ T10] __sys_sendmsg+0xcd/0x170 [ 356.764700][ T10] do_syscall_64+0xc6/0x1e0 [ 356.764700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.764700][ T10] [ 356.767001][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 356.767001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.767001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.767001][ T10] ipv6_find_idev+0x102/0x170 [ 356.767001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.767001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.767001][ T10] netlink_rcv_skb+0x130/0x360 [ 356.767001][ T10] netlink_unicast+0x449/0x710 [ 356.767001][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.767001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.767001][ T10] ___sys_sendmsg+0xee/0x170 [ 356.767001][ T10] __sys_sendmsg+0xcd/0x170 [ 356.767001][ T10] do_syscall_64+0xc6/0x1e0 [ 356.767001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.767001][ T10] [ 356.769681][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 356.770206][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 356.770206][ T10] netdev_get_by_index+0x5e/0x80 [ 356.770206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.770206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.770206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.770206][ T10] ipv6_add_addr+0x411/0x2000 [ 356.770206][ T10] inet6_addr_add+0x30e/0xa40 [ 356.770206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.770206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.770206][ T10] netlink_rcv_skb+0x130/0x360 [ 356.770206][ T10] netlink_unicast+0x449/0x710 [ 356.770206][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.770206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.770206][ T10] ___sys_sendmsg+0xee/0x170 [ 356.770206][ T10] __sys_sendmsg+0xcd/0x170 [ 356.770206][ T10] do_syscall_64+0xc6/0x1e0 [ 356.770206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.770206][ T10] [ 356.773231][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 356.773231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.773231][ T10] ipv6_find_idev+0x102/0x170 [ 356.773231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.773231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.773231][ T10] netlink_rcv_skb+0x130/0x360 [ 356.773231][ T10] netlink_unicast+0x449/0x710 [ 356.773231][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.773231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.773231][ T10] ___sys_sendmsg+0xee/0x170 [ 356.773231][ T10] __sys_sendmsg+0xcd/0x170 [ 356.773231][ T10] do_syscall_64+0xc6/0x1e0 [ 356.773231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.773231][ T10] [ 356.775433][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 356.775433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.775433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.775433][ T10] ipv6_find_idev+0x102/0x170 [ 356.775433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.775433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.775433][ T10] netlink_rcv_skb+0x130/0x360 [ 356.775433][ T10] netlink_unicast+0x449/0x710 [ 356.775433][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.775433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.775433][ T10] ___sys_sendmsg+0xee/0x170 [ 356.775433][ T10] __sys_sendmsg+0xcd/0x170 [ 356.775433][ T10] do_syscall_64+0xc6/0x1e0 [ 356.775433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.775433][ T10] [ 356.778043][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 356.778572][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 356.778572][ T10] netdev_get_by_index+0x5e/0x80 [ 356.778572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.778572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.778572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.778572][ T10] ipv6_add_addr+0x411/0x2000 [ 356.778572][ T10] inet6_addr_add+0x30e/0xa40 [ 356.778572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.778572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.778572][ T10] netlink_rcv_skb+0x130/0x360 [ 356.778572][ T10] netlink_unicast+0x449/0x710 [ 356.778572][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.778572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.778572][ T10] ___sys_sendmsg+0xee/0x170 [ 356.778572][ T10] __sys_sendmsg+0xcd/0x170 [ 356.778572][ T10] do_syscall_64+0xc6/0x1e0 [ 356.778572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.778572][ T10] [ 356.781679][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 356.781679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.781679][ T10] ipv6_find_idev+0x102/0x170 [ 356.781679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.781679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.781679][ T10] netlink_rcv_skb+0x130/0x360 [ 356.781679][ T10] netlink_unicast+0x449/0x710 [ 356.781679][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.781679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.781679][ T10] ___sys_sendmsg+0xee/0x170 [ 356.781679][ T10] __sys_sendmsg+0xcd/0x170 [ 356.781679][ T10] do_syscall_64+0xc6/0x1e0 [ 356.781679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.781679][ T10] [ 356.784422][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 356.784422][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.784422][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.784422][ T10] ipv6_find_idev+0x102/0x170 [ 356.784422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.784422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.784422][ T10] netlink_rcv_skb+0x130/0x360 [ 356.784422][ T10] netlink_unicast+0x449/0x710 [ 356.784422][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.784422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.784422][ T10] ___sys_sendmsg+0xee/0x170 [ 356.784422][ T10] __sys_sendmsg+0xcd/0x170 [ 356.784422][ T10] do_syscall_64+0xc6/0x1e0 [ 356.784422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.784422][ T10] [ 356.787623][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 356.788166][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 356.788166][ T10] netdev_get_by_index+0x5e/0x80 [ 356.788166][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.788166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.788166][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.788166][ T10] ipv6_add_addr+0x411/0x2000 [ 356.788166][ T10] inet6_addr_add+0x30e/0xa40 [ 356.788166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.788166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.788166][ T10] netlink_rcv_skb+0x130/0x360 [ 356.788166][ T10] netlink_unicast+0x449/0x710 [ 356.788166][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.788166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.788166][ T10] ___sys_sendmsg+0xee/0x170 [ 356.788166][ T10] __sys_sendmsg+0xcd/0x170 [ 356.788166][ T10] do_syscall_64+0xc6/0x1e0 [ 356.788166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.788166][ T10] [ 356.791507][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 356.791507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.791507][ T10] ipv6_find_idev+0x102/0x170 [ 356.791507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.791507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.791507][ T10] netlink_rcv_skb+0x130/0x360 [ 356.791507][ T10] netlink_unicast+0x449/0x710 [ 356.791507][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.791507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.791507][ T10] ___sys_sendmsg+0xee/0x170 [ 356.791507][ T10] __sys_sendmsg+0xcd/0x170 [ 356.791507][ T10] do_syscall_64+0xc6/0x1e0 [ 356.791507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.791507][ T10] [ 356.793972][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 356.793972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.793972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.793972][ T10] ipv6_find_idev+0x102/0x170 [ 356.793972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.793972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.793972][ T10] netlink_rcv_skb+0x130/0x360 [ 356.793972][ T10] netlink_unicast+0x449/0x710 [ 356.793972][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.793972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.793972][ T10] ___sys_sendmsg+0xee/0x170 [ 356.793972][ T10] __sys_sendmsg+0xcd/0x170 [ 356.793972][ T10] do_syscall_64+0xc6/0x1e0 [ 356.793972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.793972][ T10] [ 356.797019][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 356.797559][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 356.797559][ T10] netdev_get_by_index+0x5e/0x80 [ 356.797559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 356.797559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 356.797559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 356.797559][ T10] ipv6_add_addr+0x411/0x2000 [ 356.797559][ T10] inet6_addr_add+0x30e/0xa40 [ 356.797559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 356.797559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.797559][ T10] netlink_rcv_skb+0x130/0x360 [ 356.797559][ T10] netlink_unicast+0x449/0x710 [ 356.797559][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.797559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.797559][ T10] ___sys_sendmsg+0xee/0x170 [ 356.797559][ T10] __sys_sendmsg+0xcd/0x170 [ 356.797559][ T10] do_syscall_64+0xc6/0x1e0 [ 356.797559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.797559][ T10] [ 356.801065][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 356.801065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 356.801065][ T10] ipv6_find_idev+0x102/0x170 [ 356.801065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.801065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.801065][ T10] netlink_rcv_skb+0x130/0x360 [ 356.801065][ T10] netlink_unicast+0x449/0x710 [ 356.801065][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.801065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.801065][ T10] ___sys_sendmsg+0xee/0x170 [ 356.801065][ T10] __sys_sendmsg+0xcd/0x170 [ 356.801065][ T10] do_syscall_64+0xc6/0x1e0 [ 356.801065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.801065][ T10] [ 356.803793][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 356.803793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 356.803793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 356.803793][ T10] ipv6_find_idev+0x102/0x170 [ 356.803793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 356.803793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 356.803793][ T10] netlink_rcv_skb+0x130/0x360 [ 356.803793][ T10] netlink_unicast+0x449/0x710 [ 356.803793][ T10] netlink_sendmsg+0x723/0xbe0 [ 356.803793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 356.803793][ T10] ___sys_sendmsg+0xee/0x170 [ 356.803793][ T10] __sys_sendmsg+0xcd/0x170 [ 356.803793][ T10] do_syscall_64+0xc6/0x1e0 [ 356.803793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 356.803793][ T10] [ 367.045914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 367.046437][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 367.046437][ T10] netdev_get_by_index+0x5e/0x80 [ 367.046437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.046437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.046437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.046437][ T10] ipv6_add_addr+0x411/0x2000 [ 367.046437][ T10] inet6_addr_add+0x30e/0xa40 [ 367.046437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.046437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.046437][ T10] netlink_rcv_skb+0x130/0x360 [ 367.046437][ T10] netlink_unicast+0x449/0x710 [ 367.046437][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.046437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.046437][ T10] ___sys_sendmsg+0xee/0x170 [ 367.046437][ T10] __sys_sendmsg+0xcd/0x170 [ 367.046437][ T10] do_syscall_64+0xc6/0x1e0 [ 367.046437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.046437][ T10] [ 367.048500][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 367.048500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.048500][ T10] ipv6_find_idev+0x102/0x170 [ 367.048500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.048500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.048500][ T10] netlink_rcv_skb+0x130/0x360 [ 367.048500][ T10] netlink_unicast+0x449/0x710 [ 367.048500][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.048500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.048500][ T10] ___sys_sendmsg+0xee/0x170 [ 367.048500][ T10] __sys_sendmsg+0xcd/0x170 [ 367.048500][ T10] do_syscall_64+0xc6/0x1e0 [ 367.048500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.048500][ T10] [ 367.050110][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 367.050110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.050110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.050110][ T10] ipv6_find_idev+0x102/0x170 [ 367.050110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.050110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.050110][ T10] netlink_rcv_skb+0x130/0x360 [ 367.050110][ T10] netlink_unicast+0x449/0x710 [ 367.050110][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.050110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.050110][ T10] ___sys_sendmsg+0xee/0x170 [ 367.050110][ T10] __sys_sendmsg+0xcd/0x170 [ 367.050110][ T10] do_syscall_64+0xc6/0x1e0 [ 367.050110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.050110][ T10] [ 367.052038][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 367.052337][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 367.052337][ T10] netdev_get_by_index+0x5e/0x80 [ 367.052337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.052337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.052337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.052337][ T10] ipv6_add_addr+0x411/0x2000 [ 367.052337][ T10] inet6_addr_add+0x30e/0xa40 [ 367.052337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.052337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.052337][ T10] netlink_rcv_skb+0x130/0x360 [ 367.052337][ T10] netlink_unicast+0x449/0x710 [ 367.052337][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.052337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.052337][ T10] ___sys_sendmsg+0xee/0x170 [ 367.052337][ T10] __sys_sendmsg+0xcd/0x170 [ 367.052337][ T10] do_syscall_64+0xc6/0x1e0 [ 367.052337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.052337][ T10] [ 367.054381][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 367.054381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.054381][ T10] ipv6_find_idev+0x102/0x170 [ 367.054381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.054381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.054381][ T10] netlink_rcv_skb+0x130/0x360 [ 367.054381][ T10] netlink_unicast+0x449/0x710 [ 367.054381][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.054381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.054381][ T10] ___sys_sendmsg+0xee/0x170 [ 367.054381][ T10] __sys_sendmsg+0xcd/0x170 [ 367.054381][ T10] do_syscall_64+0xc6/0x1e0 [ 367.054381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.054381][ T10] [ 367.055950][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 367.055950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.055950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.055950][ T10] ipv6_find_idev+0x102/0x170 [ 367.055950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.055950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.055950][ T10] netlink_rcv_skb+0x130/0x360 [ 367.055950][ T10] netlink_unicast+0x449/0x710 [ 367.055950][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.055950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.055950][ T10] ___sys_sendmsg+0xee/0x170 [ 367.055950][ T10] __sys_sendmsg+0xcd/0x170 [ 367.055950][ T10] do_syscall_64+0xc6/0x1e0 [ 367.055950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.055950][ T10] [ 367.057682][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 367.057973][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 367.057973][ T10] netdev_get_by_index+0x5e/0x80 [ 367.057973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.057973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.057973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.057973][ T10] ipv6_add_addr+0x411/0x2000 [ 367.057973][ T10] inet6_addr_add+0x30e/0xa40 [ 367.057973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.057973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.057973][ T10] netlink_rcv_skb+0x130/0x360 [ 367.057973][ T10] netlink_unicast+0x449/0x710 [ 367.057973][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.057973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.057973][ T10] ___sys_sendmsg+0xee/0x170 [ 367.057973][ T10] __sys_sendmsg+0xcd/0x170 [ 367.057973][ T10] do_syscall_64+0xc6/0x1e0 [ 367.057973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.057973][ T10] [ 367.060020][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 367.060020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.060020][ T10] ipv6_find_idev+0x102/0x170 [ 367.060020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.060020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.060020][ T10] netlink_rcv_skb+0x130/0x360 [ 367.060020][ T10] netlink_unicast+0x449/0x710 [ 367.060020][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.060020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.060020][ T10] ___sys_sendmsg+0xee/0x170 [ 367.060020][ T10] __sys_sendmsg+0xcd/0x170 [ 367.060020][ T10] do_syscall_64+0xc6/0x1e0 [ 367.060020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.060020][ T10] [ 367.061585][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 367.061585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.061585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.061585][ T10] ipv6_find_idev+0x102/0x170 [ 367.061585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.061585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.061585][ T10] netlink_rcv_skb+0x130/0x360 [ 367.061585][ T10] netlink_unicast+0x449/0x710 [ 367.061585][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.061585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.061585][ T10] ___sys_sendmsg+0xee/0x170 [ 367.061585][ T10] __sys_sendmsg+0xcd/0x170 [ 367.061585][ T10] do_syscall_64+0xc6/0x1e0 [ 367.061585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.061585][ T10] [ 367.063327][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 367.063607][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 367.063607][ T10] netdev_get_by_index+0x5e/0x80 [ 367.063607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.063607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.063607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.063607][ T10] ipv6_add_addr+0x411/0x2000 [ 367.063607][ T10] inet6_addr_add+0x30e/0xa40 [ 367.063607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.063607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.063607][ T10] netlink_rcv_skb+0x130/0x360 [ 367.063607][ T10] netlink_unicast+0x449/0x710 [ 367.063607][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.063607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.063607][ T10] ___sys_sendmsg+0xee/0x170 [ 367.063607][ T10] __sys_sendmsg+0xcd/0x170 [ 367.063607][ T10] do_syscall_64+0xc6/0x1e0 [ 367.063607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.063607][ T10] [ 367.065648][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 367.065648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.065648][ T10] ipv6_find_idev+0x102/0x170 [ 367.065648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.065648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.065648][ T10] netlink_rcv_skb+0x130/0x360 [ 367.065648][ T10] netlink_unicast+0x449/0x710 [ 367.065648][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.065648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.065648][ T10] ___sys_sendmsg+0xee/0x170 [ 367.065648][ T10] __sys_sendmsg+0xcd/0x170 [ 367.065648][ T10] do_syscall_64+0xc6/0x1e0 [ 367.065648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.065648][ T10] [ 367.067217][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 367.067217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.067217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.067217][ T10] ipv6_find_idev+0x102/0x170 [ 367.067217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.067217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.067217][ T10] netlink_rcv_skb+0x130/0x360 [ 367.067217][ T10] netlink_unicast+0x449/0x710 [ 367.067217][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.067217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.067217][ T10] ___sys_sendmsg+0xee/0x170 [ 367.067217][ T10] __sys_sendmsg+0xcd/0x170 [ 367.067217][ T10] do_syscall_64+0xc6/0x1e0 [ 367.067217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.067217][ T10] [ 367.069412][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 367.070072][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 367.070072][ T10] netdev_get_by_index+0x5e/0x80 [ 367.070072][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.070072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.070072][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.070072][ T10] ipv6_add_addr+0x411/0x2000 [ 367.070072][ T10] inet6_addr_add+0x30e/0xa40 [ 367.070072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.070072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.070072][ T10] netlink_rcv_skb+0x130/0x360 [ 367.070072][ T10] netlink_unicast+0x449/0x710 [ 367.070072][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.070072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.070072][ T10] ___sys_sendmsg+0xee/0x170 [ 367.070072][ T10] __sys_sendmsg+0xcd/0x170 [ 367.070072][ T10] do_syscall_64+0xc6/0x1e0 [ 367.070072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.070072][ T10] [ 367.072101][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 367.072101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.072101][ T10] ipv6_find_idev+0x102/0x170 [ 367.072101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.072101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.072101][ T10] netlink_rcv_skb+0x130/0x360 [ 367.072101][ T10] netlink_unicast+0x449/0x710 [ 367.072101][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.072101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.072101][ T10] ___sys_sendmsg+0xee/0x170 [ 367.072101][ T10] __sys_sendmsg+0xcd/0x170 [ 367.072101][ T10] do_syscall_64+0xc6/0x1e0 [ 367.072101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.072101][ T10] [ 367.073668][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 367.073668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.073668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.073668][ T10] ipv6_find_idev+0x102/0x170 [ 367.073668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.073668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.073668][ T10] netlink_rcv_skb+0x130/0x360 [ 367.073668][ T10] netlink_unicast+0x449/0x710 [ 367.073668][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.073668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.073668][ T10] ___sys_sendmsg+0xee/0x170 [ 367.073668][ T10] __sys_sendmsg+0xcd/0x170 [ 367.073668][ T10] do_syscall_64+0xc6/0x1e0 [ 367.073668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.073668][ T10] [ 367.075391][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 367.075667][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 367.075667][ T10] netdev_get_by_index+0x5e/0x80 [ 367.075667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.075667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.075667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.075667][ T10] ipv6_add_addr+0x411/0x2000 [ 367.075667][ T10] inet6_addr_add+0x30e/0xa40 [ 367.075667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.075667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.075667][ T10] netlink_rcv_skb+0x130/0x360 [ 367.075667][ T10] netlink_unicast+0x449/0x710 [ 367.075667][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.075667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.075667][ T10] ___sys_sendmsg+0xee/0x170 [ 367.075667][ T10] __sys_sendmsg+0xcd/0x170 [ 367.075667][ T10] do_syscall_64+0xc6/0x1e0 [ 367.075667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.075667][ T10] [ 367.077724][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 367.077724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.077724][ T10] ipv6_find_idev+0x102/0x170 [ 367.077724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.077724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.077724][ T10] netlink_rcv_skb+0x130/0x360 [ 367.077724][ T10] netlink_unicast+0x449/0x710 [ 367.077724][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.077724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.077724][ T10] ___sys_sendmsg+0xee/0x170 [ 367.077724][ T10] __sys_sendmsg+0xcd/0x170 [ 367.077724][ T10] do_syscall_64+0xc6/0x1e0 [ 367.077724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.077724][ T10] [ 367.079435][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 367.079435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.079435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.079435][ T10] ipv6_find_idev+0x102/0x170 [ 367.079435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.079435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.079435][ T10] netlink_rcv_skb+0x130/0x360 [ 367.079435][ T10] netlink_unicast+0x449/0x710 [ 367.079435][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.079435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.079435][ T10] ___sys_sendmsg+0xee/0x170 [ 367.079435][ T10] __sys_sendmsg+0xcd/0x170 [ 367.079435][ T10] do_syscall_64+0xc6/0x1e0 [ 367.079435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.079435][ T10] [ 367.081494][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 367.081897][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 367.081897][ T10] netdev_get_by_index+0x5e/0x80 [ 367.081897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.081897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.081897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.081897][ T10] ipv6_add_addr+0x411/0x2000 [ 367.081897][ T10] inet6_addr_add+0x30e/0xa40 [ 367.081897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.081897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.081897][ T10] netlink_rcv_skb+0x130/0x360 [ 367.081897][ T10] netlink_unicast+0x449/0x710 [ 367.081897][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.081897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.081897][ T10] ___sys_sendmsg+0xee/0x170 [ 367.081897][ T10] __sys_sendmsg+0xcd/0x170 [ 367.081897][ T10] do_syscall_64+0xc6/0x1e0 [ 367.081897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.081897][ T10] [ 367.084072][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 367.084072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.084072][ T10] ipv6_find_idev+0x102/0x170 [ 367.084072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.084072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.084072][ T10] netlink_rcv_skb+0x130/0x360 [ 367.084072][ T10] netlink_unicast+0x449/0x710 [ 367.084072][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.084072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.084072][ T10] ___sys_sendmsg+0xee/0x170 [ 367.084072][ T10] __sys_sendmsg+0xcd/0x170 [ 367.084072][ T10] do_syscall_64+0xc6/0x1e0 [ 367.084072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.084072][ T10] [ 367.085829][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 367.085829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.085829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.085829][ T10] ipv6_find_idev+0x102/0x170 [ 367.085829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.085829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.085829][ T10] netlink_rcv_skb+0x130/0x360 [ 367.085829][ T10] netlink_unicast+0x449/0x710 [ 367.085829][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.085829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.085829][ T10] ___sys_sendmsg+0xee/0x170 [ 367.085829][ T10] __sys_sendmsg+0xcd/0x170 [ 367.085829][ T10] do_syscall_64+0xc6/0x1e0 [ 367.085829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.085829][ T10] [ 367.087857][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 367.088190][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 367.088190][ T10] netdev_get_by_index+0x5e/0x80 [ 367.088190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 367.088190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.088190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 367.088190][ T10] ipv6_add_addr+0x411/0x2000 [ 367.088190][ T10] inet6_addr_add+0x30e/0xa40 [ 367.088190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.088190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.088190][ T10] netlink_rcv_skb+0x130/0x360 [ 367.088190][ T10] netlink_unicast+0x449/0x710 [ 367.088190][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.088190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.088190][ T10] ___sys_sendmsg+0xee/0x170 [ 367.088190][ T10] __sys_sendmsg+0xcd/0x170 [ 367.088190][ T10] do_syscall_64+0xc6/0x1e0 [ 367.088190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.088190][ T10] [ 367.090448][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 367.090448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.090448][ T10] ipv6_find_idev+0x102/0x170 [ 367.090448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.090448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.090448][ T10] netlink_rcv_skb+0x130/0x360 [ 367.090448][ T10] netlink_unicast+0x449/0x710 [ 367.090448][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.090448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.090448][ T10] ___sys_sendmsg+0xee/0x170 [ 367.090448][ T10] __sys_sendmsg+0xcd/0x170 [ 367.090448][ T10] do_syscall_64+0xc6/0x1e0 [ 367.090448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.090448][ T10] [ 367.092231][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 367.092231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.092231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.092231][ T10] ipv6_find_idev+0x102/0x170 [ 367.092231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.092231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.092231][ T10] netlink_rcv_skb+0x130/0x360 [ 367.092231][ T10] netlink_unicast+0x449/0x710 [ 367.092231][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.092231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.092231][ T10] ___sys_sendmsg+0xee/0x170 [ 367.092231][ T10] __sys_sendmsg+0xcd/0x170 [ 367.092231][ T10] do_syscall_64+0xc6/0x1e0 [ 367.092231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.092231][ T10] [ 369.957960][ T42] INFO: task modprobe:1060 blocked for more than 122 seconds. [ 369.958854][ T42] Not tainted 6.8.0-virtme #1 [ 369.959126][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.960059][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 369.960479][ T42] Call Trace: [ 369.960644][ T42] [ 369.960758][ T42] __schedule+0x705/0x1ac0 [ 369.961012][ T42] ? __pfx___schedule+0x10/0x10 [ 369.961242][ T42] ? schedule+0x1a5/0x210 [ 369.961406][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.961623][ T42] ? mark_lock+0x38/0x3e0 [ 369.961801][ T42] ? do_raw_spin_lock+0x131/0x270 [ 369.962283][ T42] ? schedule+0x1a5/0x210 [ 369.962452][ T42] schedule+0xdf/0x210 [ 369.962615][ T42] schedule_preempt_disabled+0x15/0x30 [ 369.962817][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 369.963033][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 369.963285][ T42] ? kasan_save_stack+0x34/0x50 [ 369.963494][ T42] ? kasan_save_stack+0x24/0x50 [ 369.963707][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.963950][ T42] ? lock_acquire+0x1c1/0x220 [ 369.964161][ T42] ? register_pernet_subsys+0x1a/0x50 [ 369.964383][ T42] down_write+0x1c9/0x200 [ 369.964549][ T42] ? __pfx_down_write+0x10/0x10 [ 369.964755][ T42] ? __pfx___lock_release+0x10/0x10 [ 369.964990][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 369.965386][ T42] register_pernet_subsys+0x1a/0x50 [ 369.965600][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 369.965924][ T42] do_one_initcall+0xc8/0x3f0 [ 369.966145][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 369.966363][ T42] ? __create_object+0x5e/0xb0 [ 369.966586][ T42] ? kasan_unpoison+0x27/0x60 [ 369.966803][ T42] do_init_module+0x233/0x740 [ 369.966978][ T42] load_module+0x16b5/0x2350 [ 369.967187][ T42] ? __pfx_load_module+0x10/0x10 [ 369.967395][ T42] ? kernel_read_file+0x3d2/0x520 [ 369.967615][ T42] ? kernel_read_file+0x300/0x520 [ 369.967854][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 369.968075][ T42] ? init_module_from_file+0xd2/0x130 [ 369.968297][ T42] init_module_from_file+0xd2/0x130 [ 369.968502][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 369.968761][ T42] ? __lock_release+0x103/0x460 [ 369.968987][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.969214][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.969421][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 369.969646][ T42] idempotent_init_module+0x342/0x620 [ 369.969878][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 369.970173][ T42] __x64_sys_finit_module+0xbe/0x130 [ 369.970383][ T42] do_syscall_64+0xc6/0x1e0 [ 369.970608][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.970899][ T42] RIP: 0033:0x7ff11fe2be5d [ 369.971061][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 369.971367][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 369.971685][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 369.972007][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 369.972319][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 369.972594][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 369.972946][ T42] [ 369.973117][ T42] [ 369.973117][ T42] Showing all locks held in the system: [ 369.973409][ T42] 3 locks held by kworker/u16:0/10: [ 369.973625][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.974069][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.974433][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 369.974839][ T42] 2 locks held by kworker/u20:0/39: [ 369.975043][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.975453][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.975920][ T42] 1 lock held by khungtaskd/42: [ 369.976122][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 369.976689][ T42] 1 lock held by modprobe/1060: [ 369.976900][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 369.977309][ T42] [ 369.977417][ T42] ============================================= [ 369.977417][ T42] [ 377.333959][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 377.334480][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 377.334480][ T10] netdev_get_by_index+0x5e/0x80 [ 377.334480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.334480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.334480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.334480][ T10] ipv6_add_addr+0x411/0x2000 [ 377.334480][ T10] inet6_addr_add+0x30e/0xa40 [ 377.334480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.334480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.334480][ T10] netlink_rcv_skb+0x130/0x360 [ 377.334480][ T10] netlink_unicast+0x449/0x710 [ 377.334480][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.334480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.334480][ T10] ___sys_sendmsg+0xee/0x170 [ 377.334480][ T10] __sys_sendmsg+0xcd/0x170 [ 377.334480][ T10] do_syscall_64+0xc6/0x1e0 [ 377.334480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.334480][ T10] [ 377.336735][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 377.336735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.336735][ T10] ipv6_find_idev+0x102/0x170 [ 377.336735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.336735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.336735][ T10] netlink_rcv_skb+0x130/0x360 [ 377.336735][ T10] netlink_unicast+0x449/0x710 [ 377.336735][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.336735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.336735][ T10] ___sys_sendmsg+0xee/0x170 [ 377.336735][ T10] __sys_sendmsg+0xcd/0x170 [ 377.336735][ T10] do_syscall_64+0xc6/0x1e0 [ 377.336735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.336735][ T10] [ 377.338470][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 377.338470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.338470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.338470][ T10] ipv6_find_idev+0x102/0x170 [ 377.338470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.338470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.338470][ T10] netlink_rcv_skb+0x130/0x360 [ 377.338470][ T10] netlink_unicast+0x449/0x710 [ 377.338470][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.338470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.338470][ T10] ___sys_sendmsg+0xee/0x170 [ 377.338470][ T10] __sys_sendmsg+0xcd/0x170 [ 377.338470][ T10] do_syscall_64+0xc6/0x1e0 [ 377.338470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.338470][ T10] [ 377.340394][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 377.340698][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 377.340698][ T10] netdev_get_by_index+0x5e/0x80 [ 377.340698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.340698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.340698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.340698][ T10] ipv6_add_addr+0x411/0x2000 [ 377.340698][ T10] inet6_addr_add+0x30e/0xa40 [ 377.340698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.340698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.340698][ T10] netlink_rcv_skb+0x130/0x360 [ 377.340698][ T10] netlink_unicast+0x449/0x710 [ 377.340698][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.340698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.340698][ T10] ___sys_sendmsg+0xee/0x170 [ 377.340698][ T10] __sys_sendmsg+0xcd/0x170 [ 377.340698][ T10] do_syscall_64+0xc6/0x1e0 [ 377.340698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.340698][ T10] [ 377.342930][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 377.342930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.342930][ T10] ipv6_find_idev+0x102/0x170 [ 377.342930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.342930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.342930][ T10] netlink_rcv_skb+0x130/0x360 [ 377.342930][ T10] netlink_unicast+0x449/0x710 [ 377.342930][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.342930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.342930][ T10] ___sys_sendmsg+0xee/0x170 [ 377.342930][ T10] __sys_sendmsg+0xcd/0x170 [ 377.342930][ T10] do_syscall_64+0xc6/0x1e0 [ 377.342930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.342930][ T10] [ 377.344661][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 377.344661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.344661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.344661][ T10] ipv6_find_idev+0x102/0x170 [ 377.344661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.344661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.344661][ T10] netlink_rcv_skb+0x130/0x360 [ 377.344661][ T10] netlink_unicast+0x449/0x710 [ 377.344661][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.344661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.344661][ T10] ___sys_sendmsg+0xee/0x170 [ 377.344661][ T10] __sys_sendmsg+0xcd/0x170 [ 377.344661][ T10] do_syscall_64+0xc6/0x1e0 [ 377.344661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.344661][ T10] [ 377.346592][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 377.346902][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 377.346902][ T10] netdev_get_by_index+0x5e/0x80 [ 377.346902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.346902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.346902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.346902][ T10] ipv6_add_addr+0x411/0x2000 [ 377.346902][ T10] inet6_addr_add+0x30e/0xa40 [ 377.346902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.346902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.346902][ T10] netlink_rcv_skb+0x130/0x360 [ 377.346902][ T10] netlink_unicast+0x449/0x710 [ 377.346902][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.346902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.346902][ T10] ___sys_sendmsg+0xee/0x170 [ 377.346902][ T10] __sys_sendmsg+0xcd/0x170 [ 377.346902][ T10] do_syscall_64+0xc6/0x1e0 [ 377.346902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.346902][ T10] [ 377.349117][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 377.349117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.349117][ T10] ipv6_find_idev+0x102/0x170 [ 377.349117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.349117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.349117][ T10] netlink_rcv_skb+0x130/0x360 [ 377.349117][ T10] netlink_unicast+0x449/0x710 [ 377.349117][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.349117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.349117][ T10] ___sys_sendmsg+0xee/0x170 [ 377.349117][ T10] __sys_sendmsg+0xcd/0x170 [ 377.349117][ T10] do_syscall_64+0xc6/0x1e0 [ 377.349117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.349117][ T10] [ 377.350672][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 377.350672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.350672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.350672][ T10] ipv6_find_idev+0x102/0x170 [ 377.350672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.350672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.350672][ T10] netlink_rcv_skb+0x130/0x360 [ 377.350672][ T10] netlink_unicast+0x449/0x710 [ 377.350672][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.350672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.350672][ T10] ___sys_sendmsg+0xee/0x170 [ 377.350672][ T10] __sys_sendmsg+0xcd/0x170 [ 377.350672][ T10] do_syscall_64+0xc6/0x1e0 [ 377.350672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.350672][ T10] [ 377.352364][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 377.352628][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 377.352628][ T10] netdev_get_by_index+0x5e/0x80 [ 377.352628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.352628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.352628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.352628][ T10] ipv6_add_addr+0x411/0x2000 [ 377.352628][ T10] inet6_addr_add+0x30e/0xa40 [ 377.352628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.352628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.352628][ T10] netlink_rcv_skb+0x130/0x360 [ 377.352628][ T10] netlink_unicast+0x449/0x710 [ 377.352628][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.352628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.352628][ T10] ___sys_sendmsg+0xee/0x170 [ 377.352628][ T10] __sys_sendmsg+0xcd/0x170 [ 377.352628][ T10] do_syscall_64+0xc6/0x1e0 [ 377.352628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.352628][ T10] [ 377.354632][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 377.354632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.354632][ T10] ipv6_find_idev+0x102/0x170 [ 377.354632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.354632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.354632][ T10] netlink_rcv_skb+0x130/0x360 [ 377.354632][ T10] netlink_unicast+0x449/0x710 [ 377.354632][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.354632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.354632][ T10] ___sys_sendmsg+0xee/0x170 [ 377.354632][ T10] __sys_sendmsg+0xcd/0x170 [ 377.354632][ T10] do_syscall_64+0xc6/0x1e0 [ 377.354632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.354632][ T10] [ 377.356191][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 377.356191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.356191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.356191][ T10] ipv6_find_idev+0x102/0x170 [ 377.356191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.356191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.356191][ T10] netlink_rcv_skb+0x130/0x360 [ 377.356191][ T10] netlink_unicast+0x449/0x710 [ 377.356191][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.356191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.356191][ T10] ___sys_sendmsg+0xee/0x170 [ 377.356191][ T10] __sys_sendmsg+0xcd/0x170 [ 377.356191][ T10] do_syscall_64+0xc6/0x1e0 [ 377.356191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.356191][ T10] [ 377.358290][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 377.358901][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 377.358901][ T10] netdev_get_by_index+0x5e/0x80 [ 377.358901][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.358901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.358901][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.358901][ T10] ipv6_add_addr+0x411/0x2000 [ 377.358901][ T10] inet6_addr_add+0x30e/0xa40 [ 377.358901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.358901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.358901][ T10] netlink_rcv_skb+0x130/0x360 [ 377.358901][ T10] netlink_unicast+0x449/0x710 [ 377.358901][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.358901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.358901][ T10] ___sys_sendmsg+0xee/0x170 [ 377.358901][ T10] __sys_sendmsg+0xcd/0x170 [ 377.358901][ T10] do_syscall_64+0xc6/0x1e0 [ 377.358901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.358901][ T10] [ 377.360917][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 377.360917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.360917][ T10] ipv6_find_idev+0x102/0x170 [ 377.360917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.360917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.360917][ T10] netlink_rcv_skb+0x130/0x360 [ 377.360917][ T10] netlink_unicast+0x449/0x710 [ 377.360917][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.360917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.360917][ T10] ___sys_sendmsg+0xee/0x170 [ 377.360917][ T10] __sys_sendmsg+0xcd/0x170 [ 377.360917][ T10] do_syscall_64+0xc6/0x1e0 [ 377.360917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.360917][ T10] [ 377.362808][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 377.362808][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.362808][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.362808][ T10] ipv6_find_idev+0x102/0x170 [ 377.362808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.362808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.362808][ T10] netlink_rcv_skb+0x130/0x360 [ 377.362808][ T10] netlink_unicast+0x449/0x710 [ 377.362808][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.362808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.362808][ T10] ___sys_sendmsg+0xee/0x170 [ 377.362808][ T10] __sys_sendmsg+0xcd/0x170 [ 377.362808][ T10] do_syscall_64+0xc6/0x1e0 [ 377.362808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.362808][ T10] [ 377.364819][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 377.365146][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 377.365146][ T10] netdev_get_by_index+0x5e/0x80 [ 377.365146][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.365146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.365146][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.365146][ T10] ipv6_add_addr+0x411/0x2000 [ 377.365146][ T10] inet6_addr_add+0x30e/0xa40 [ 377.365146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.365146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.365146][ T10] netlink_rcv_skb+0x130/0x360 [ 377.365146][ T10] netlink_unicast+0x449/0x710 [ 377.365146][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.365146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.365146][ T10] ___sys_sendmsg+0xee/0x170 [ 377.365146][ T10] __sys_sendmsg+0xcd/0x170 [ 377.365146][ T10] do_syscall_64+0xc6/0x1e0 [ 377.365146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.365146][ T10] [ 377.367718][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 377.367718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.367718][ T10] ipv6_find_idev+0x102/0x170 [ 377.367718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.367718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.367718][ T10] netlink_rcv_skb+0x130/0x360 [ 377.367718][ T10] netlink_unicast+0x449/0x710 [ 377.367718][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.367718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.367718][ T10] ___sys_sendmsg+0xee/0x170 [ 377.367718][ T10] __sys_sendmsg+0xcd/0x170 [ 377.367718][ T10] do_syscall_64+0xc6/0x1e0 [ 377.367718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.367718][ T10] [ 377.370066][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 377.370066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.370066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.370066][ T10] ipv6_find_idev+0x102/0x170 [ 377.370066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.370066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.370066][ T10] netlink_rcv_skb+0x130/0x360 [ 377.370066][ T10] netlink_unicast+0x449/0x710 [ 377.370066][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.370066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.370066][ T10] ___sys_sendmsg+0xee/0x170 [ 377.370066][ T10] __sys_sendmsg+0xcd/0x170 [ 377.370066][ T10] do_syscall_64+0xc6/0x1e0 [ 377.370066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.370066][ T10] [ 377.372506][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 377.372816][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 377.372816][ T10] netdev_get_by_index+0x5e/0x80 [ 377.372816][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.372816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.372816][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.372816][ T10] ipv6_add_addr+0x411/0x2000 [ 377.372816][ T10] inet6_addr_add+0x30e/0xa40 [ 377.372816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.372816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.372816][ T10] netlink_rcv_skb+0x130/0x360 [ 377.372816][ T10] netlink_unicast+0x449/0x710 [ 377.372816][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.372816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.372816][ T10] ___sys_sendmsg+0xee/0x170 [ 377.372816][ T10] __sys_sendmsg+0xcd/0x170 [ 377.372816][ T10] do_syscall_64+0xc6/0x1e0 [ 377.372816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.372816][ T10] [ 377.374996][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 377.374996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.374996][ T10] ipv6_find_idev+0x102/0x170 [ 377.374996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.374996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.374996][ T10] netlink_rcv_skb+0x130/0x360 [ 377.374996][ T10] netlink_unicast+0x449/0x710 [ 377.374996][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.374996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.374996][ T10] ___sys_sendmsg+0xee/0x170 [ 377.374996][ T10] __sys_sendmsg+0xcd/0x170 [ 377.374996][ T10] do_syscall_64+0xc6/0x1e0 [ 377.374996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.374996][ T10] [ 377.376723][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 377.376723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.376723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.376723][ T10] ipv6_find_idev+0x102/0x170 [ 377.376723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.376723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.376723][ T10] netlink_rcv_skb+0x130/0x360 [ 377.376723][ T10] netlink_unicast+0x449/0x710 [ 377.376723][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.376723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.376723][ T10] ___sys_sendmsg+0xee/0x170 [ 377.376723][ T10] __sys_sendmsg+0xcd/0x170 [ 377.376723][ T10] do_syscall_64+0xc6/0x1e0 [ 377.376723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.376723][ T10] [ 377.378644][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 377.378975][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 377.378975][ T10] netdev_get_by_index+0x5e/0x80 [ 377.378975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 377.378975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 377.378975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 377.378975][ T10] ipv6_add_addr+0x411/0x2000 [ 377.378975][ T10] inet6_addr_add+0x30e/0xa40 [ 377.378975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 377.378975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.378975][ T10] netlink_rcv_skb+0x130/0x360 [ 377.378975][ T10] netlink_unicast+0x449/0x710 [ 377.378975][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.378975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.378975][ T10] ___sys_sendmsg+0xee/0x170 [ 377.378975][ T10] __sys_sendmsg+0xcd/0x170 [ 377.378975][ T10] do_syscall_64+0xc6/0x1e0 [ 377.378975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.378975][ T10] [ 377.381161][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 377.381161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 377.381161][ T10] ipv6_find_idev+0x102/0x170 [ 377.381161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.381161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.381161][ T10] netlink_rcv_skb+0x130/0x360 [ 377.381161][ T10] netlink_unicast+0x449/0x710 [ 377.381161][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.381161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.381161][ T10] ___sys_sendmsg+0xee/0x170 [ 377.381161][ T10] __sys_sendmsg+0xcd/0x170 [ 377.381161][ T10] do_syscall_64+0xc6/0x1e0 [ 377.381161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.381161][ T10] [ 377.382939][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 377.382939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 377.382939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 377.382939][ T10] ipv6_find_idev+0x102/0x170 [ 377.382939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 377.382939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 377.382939][ T10] netlink_rcv_skb+0x130/0x360 [ 377.382939][ T10] netlink_unicast+0x449/0x710 [ 377.382939][ T10] netlink_sendmsg+0x723/0xbe0 [ 377.382939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 377.382939][ T10] ___sys_sendmsg+0xee/0x170 [ 377.382939][ T10] __sys_sendmsg+0xcd/0x170 [ 377.382939][ T10] do_syscall_64+0xc6/0x1e0 [ 377.382939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 377.382939][ T10] [ 387.621907][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 387.622412][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 387.622412][ T10] netdev_get_by_index+0x5e/0x80 [ 387.622412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.622412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.622412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.622412][ T10] ipv6_add_addr+0x411/0x2000 [ 387.622412][ T10] inet6_addr_add+0x30e/0xa40 [ 387.622412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.622412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.622412][ T10] netlink_rcv_skb+0x130/0x360 [ 387.622412][ T10] netlink_unicast+0x449/0x710 [ 387.622412][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.622412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.622412][ T10] ___sys_sendmsg+0xee/0x170 [ 387.622412][ T10] __sys_sendmsg+0xcd/0x170 [ 387.622412][ T10] do_syscall_64+0xc6/0x1e0 [ 387.622412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.622412][ T10] [ 387.624538][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 387.624538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.624538][ T10] ipv6_find_idev+0x102/0x170 [ 387.624538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.624538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.624538][ T10] netlink_rcv_skb+0x130/0x360 [ 387.624538][ T10] netlink_unicast+0x449/0x710 [ 387.624538][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.624538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.624538][ T10] ___sys_sendmsg+0xee/0x170 [ 387.624538][ T10] __sys_sendmsg+0xcd/0x170 [ 387.624538][ T10] do_syscall_64+0xc6/0x1e0 [ 387.624538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.624538][ T10] [ 387.626068][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 387.626068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.626068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.626068][ T10] ipv6_find_idev+0x102/0x170 [ 387.626068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.626068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.626068][ T10] netlink_rcv_skb+0x130/0x360 [ 387.626068][ T10] netlink_unicast+0x449/0x710 [ 387.626068][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.626068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.626068][ T10] ___sys_sendmsg+0xee/0x170 [ 387.626068][ T10] __sys_sendmsg+0xcd/0x170 [ 387.626068][ T10] do_syscall_64+0xc6/0x1e0 [ 387.626068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.626068][ T10] [ 387.627815][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 387.628117][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 387.628117][ T10] netdev_get_by_index+0x5e/0x80 [ 387.628117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.628117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.628117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.628117][ T10] ipv6_add_addr+0x411/0x2000 [ 387.628117][ T10] inet6_addr_add+0x30e/0xa40 [ 387.628117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.628117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.628117][ T10] netlink_rcv_skb+0x130/0x360 [ 387.628117][ T10] netlink_unicast+0x449/0x710 [ 387.628117][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.628117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.628117][ T10] ___sys_sendmsg+0xee/0x170 [ 387.628117][ T10] __sys_sendmsg+0xcd/0x170 [ 387.628117][ T10] do_syscall_64+0xc6/0x1e0 [ 387.628117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.628117][ T10] [ 387.630121][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 387.630121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.630121][ T10] ipv6_find_idev+0x102/0x170 [ 387.630121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.630121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.630121][ T10] netlink_rcv_skb+0x130/0x360 [ 387.630121][ T10] netlink_unicast+0x449/0x710 [ 387.630121][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.630121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.630121][ T10] ___sys_sendmsg+0xee/0x170 [ 387.630121][ T10] __sys_sendmsg+0xcd/0x170 [ 387.630121][ T10] do_syscall_64+0xc6/0x1e0 [ 387.630121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.630121][ T10] [ 387.631648][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 387.631648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.631648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.631648][ T10] ipv6_find_idev+0x102/0x170 [ 387.631648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.631648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.631648][ T10] netlink_rcv_skb+0x130/0x360 [ 387.631648][ T10] netlink_unicast+0x449/0x710 [ 387.631648][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.631648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.631648][ T10] ___sys_sendmsg+0xee/0x170 [ 387.631648][ T10] __sys_sendmsg+0xcd/0x170 [ 387.631648][ T10] do_syscall_64+0xc6/0x1e0 [ 387.631648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.631648][ T10] [ 387.633326][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 387.633633][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 387.633633][ T10] netdev_get_by_index+0x5e/0x80 [ 387.633633][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.633633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.633633][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.633633][ T10] ipv6_add_addr+0x411/0x2000 [ 387.633633][ T10] inet6_addr_add+0x30e/0xa40 [ 387.633633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.633633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.633633][ T10] netlink_rcv_skb+0x130/0x360 [ 387.633633][ T10] netlink_unicast+0x449/0x710 [ 387.633633][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.633633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.633633][ T10] ___sys_sendmsg+0xee/0x170 [ 387.633633][ T10] __sys_sendmsg+0xcd/0x170 [ 387.633633][ T10] do_syscall_64+0xc6/0x1e0 [ 387.633633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.633633][ T10] [ 387.635764][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 387.635764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.635764][ T10] ipv6_find_idev+0x102/0x170 [ 387.635764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.635764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.635764][ T10] netlink_rcv_skb+0x130/0x360 [ 387.635764][ T10] netlink_unicast+0x449/0x710 [ 387.635764][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.635764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.635764][ T10] ___sys_sendmsg+0xee/0x170 [ 387.635764][ T10] __sys_sendmsg+0xcd/0x170 [ 387.635764][ T10] do_syscall_64+0xc6/0x1e0 [ 387.635764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.635764][ T10] [ 387.637289][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 387.637289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.637289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.637289][ T10] ipv6_find_idev+0x102/0x170 [ 387.637289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.637289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.637289][ T10] netlink_rcv_skb+0x130/0x360 [ 387.637289][ T10] netlink_unicast+0x449/0x710 [ 387.637289][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.637289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.637289][ T10] ___sys_sendmsg+0xee/0x170 [ 387.637289][ T10] __sys_sendmsg+0xcd/0x170 [ 387.637289][ T10] do_syscall_64+0xc6/0x1e0 [ 387.637289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.637289][ T10] [ 387.638972][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 387.639259][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 387.639259][ T10] netdev_get_by_index+0x5e/0x80 [ 387.639259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.639259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.639259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.639259][ T10] ipv6_add_addr+0x411/0x2000 [ 387.639259][ T10] inet6_addr_add+0x30e/0xa40 [ 387.639259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.639259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.639259][ T10] netlink_rcv_skb+0x130/0x360 [ 387.639259][ T10] netlink_unicast+0x449/0x710 [ 387.639259][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.639259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.639259][ T10] ___sys_sendmsg+0xee/0x170 [ 387.639259][ T10] __sys_sendmsg+0xcd/0x170 [ 387.639259][ T10] do_syscall_64+0xc6/0x1e0 [ 387.639259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.639259][ T10] [ 387.641382][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 387.641382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.641382][ T10] ipv6_find_idev+0x102/0x170 [ 387.641382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.641382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.641382][ T10] netlink_rcv_skb+0x130/0x360 [ 387.641382][ T10] netlink_unicast+0x449/0x710 [ 387.641382][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.641382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.641382][ T10] ___sys_sendmsg+0xee/0x170 [ 387.641382][ T10] __sys_sendmsg+0xcd/0x170 [ 387.641382][ T10] do_syscall_64+0xc6/0x1e0 [ 387.641382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.641382][ T10] [ 387.643015][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 387.643015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.643015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.643015][ T10] ipv6_find_idev+0x102/0x170 [ 387.643015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.643015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.643015][ T10] netlink_rcv_skb+0x130/0x360 [ 387.643015][ T10] netlink_unicast+0x449/0x710 [ 387.643015][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.643015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.643015][ T10] ___sys_sendmsg+0xee/0x170 [ 387.643015][ T10] __sys_sendmsg+0xcd/0x170 [ 387.643015][ T10] do_syscall_64+0xc6/0x1e0 [ 387.643015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.643015][ T10] [ 387.645275][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 387.645549][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 387.645549][ T10] netdev_get_by_index+0x5e/0x80 [ 387.645549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.645549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.645549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.645549][ T10] ipv6_add_addr+0x411/0x2000 [ 387.645549][ T10] inet6_addr_add+0x30e/0xa40 [ 387.645549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.645549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.645549][ T10] netlink_rcv_skb+0x130/0x360 [ 387.645549][ T10] netlink_unicast+0x449/0x710 [ 387.645549][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.645549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.645549][ T10] ___sys_sendmsg+0xee/0x170 [ 387.645549][ T10] __sys_sendmsg+0xcd/0x170 [ 387.645549][ T10] do_syscall_64+0xc6/0x1e0 [ 387.645549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.645549][ T10] [ 387.647526][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 387.647526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.647526][ T10] ipv6_find_idev+0x102/0x170 [ 387.647526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.647526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.647526][ T10] netlink_rcv_skb+0x130/0x360 [ 387.647526][ T10] netlink_unicast+0x449/0x710 [ 387.647526][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.647526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.647526][ T10] ___sys_sendmsg+0xee/0x170 [ 387.647526][ T10] __sys_sendmsg+0xcd/0x170 [ 387.647526][ T10] do_syscall_64+0xc6/0x1e0 [ 387.647526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.647526][ T10] [ 387.649141][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 387.649141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.649141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.649141][ T10] ipv6_find_idev+0x102/0x170 [ 387.649141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.649141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.649141][ T10] netlink_rcv_skb+0x130/0x360 [ 387.649141][ T10] netlink_unicast+0x449/0x710 [ 387.649141][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.649141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.649141][ T10] ___sys_sendmsg+0xee/0x170 [ 387.649141][ T10] __sys_sendmsg+0xcd/0x170 [ 387.649141][ T10] do_syscall_64+0xc6/0x1e0 [ 387.649141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.649141][ T10] [ 387.650908][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 387.651178][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 387.651178][ T10] netdev_get_by_index+0x5e/0x80 [ 387.651178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.651178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.651178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.651178][ T10] ipv6_add_addr+0x411/0x2000 [ 387.651178][ T10] inet6_addr_add+0x30e/0xa40 [ 387.651178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.651178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.651178][ T10] netlink_rcv_skb+0x130/0x360 [ 387.651178][ T10] netlink_unicast+0x449/0x710 [ 387.651178][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.651178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.651178][ T10] ___sys_sendmsg+0xee/0x170 [ 387.651178][ T10] __sys_sendmsg+0xcd/0x170 [ 387.651178][ T10] do_syscall_64+0xc6/0x1e0 [ 387.651178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.651178][ T10] [ 387.653812][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 387.653812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.653812][ T10] ipv6_find_idev+0x102/0x170 [ 387.653812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.653812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.653812][ T10] netlink_rcv_skb+0x130/0x360 [ 387.653812][ T10] netlink_unicast+0x449/0x710 [ 387.653812][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.653812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.653812][ T10] ___sys_sendmsg+0xee/0x170 [ 387.653812][ T10] __sys_sendmsg+0xcd/0x170 [ 387.653812][ T10] do_syscall_64+0xc6/0x1e0 [ 387.653812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.653812][ T10] [ 387.655945][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 387.655945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.655945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.655945][ T10] ipv6_find_idev+0x102/0x170 [ 387.655945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.655945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.655945][ T10] netlink_rcv_skb+0x130/0x360 [ 387.655945][ T10] netlink_unicast+0x449/0x710 [ 387.655945][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.655945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.655945][ T10] ___sys_sendmsg+0xee/0x170 [ 387.655945][ T10] __sys_sendmsg+0xcd/0x170 [ 387.655945][ T10] do_syscall_64+0xc6/0x1e0 [ 387.655945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.655945][ T10] [ 387.658013][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 387.658311][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 387.658311][ T10] netdev_get_by_index+0x5e/0x80 [ 387.658311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.658311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.658311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.658311][ T10] ipv6_add_addr+0x411/0x2000 [ 387.658311][ T10] inet6_addr_add+0x30e/0xa40 [ 387.658311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.658311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.658311][ T10] netlink_rcv_skb+0x130/0x360 [ 387.658311][ T10] netlink_unicast+0x449/0x710 [ 387.658311][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.658311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.658311][ T10] ___sys_sendmsg+0xee/0x170 [ 387.658311][ T10] __sys_sendmsg+0xcd/0x170 [ 387.658311][ T10] do_syscall_64+0xc6/0x1e0 [ 387.658311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.658311][ T10] [ 387.660666][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 387.660666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.660666][ T10] ipv6_find_idev+0x102/0x170 [ 387.660666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.660666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.660666][ T10] netlink_rcv_skb+0x130/0x360 [ 387.660666][ T10] netlink_unicast+0x449/0x710 [ 387.660666][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.660666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.660666][ T10] ___sys_sendmsg+0xee/0x170 [ 387.660666][ T10] __sys_sendmsg+0xcd/0x170 [ 387.660666][ T10] do_syscall_64+0xc6/0x1e0 [ 387.660666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.660666][ T10] [ 387.662510][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 387.662510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.662510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.662510][ T10] ipv6_find_idev+0x102/0x170 [ 387.662510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.662510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.662510][ T10] netlink_rcv_skb+0x130/0x360 [ 387.662510][ T10] netlink_unicast+0x449/0x710 [ 387.662510][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.662510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.662510][ T10] ___sys_sendmsg+0xee/0x170 [ 387.662510][ T10] __sys_sendmsg+0xcd/0x170 [ 387.662510][ T10] do_syscall_64+0xc6/0x1e0 [ 387.662510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.662510][ T10] [ 387.664571][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 387.664932][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 387.664932][ T10] netdev_get_by_index+0x5e/0x80 [ 387.664932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 387.664932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 387.664932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 387.664932][ T10] ipv6_add_addr+0x411/0x2000 [ 387.664932][ T10] inet6_addr_add+0x30e/0xa40 [ 387.664932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 387.664932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.664932][ T10] netlink_rcv_skb+0x130/0x360 [ 387.664932][ T10] netlink_unicast+0x449/0x710 [ 387.664932][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.664932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.664932][ T10] ___sys_sendmsg+0xee/0x170 [ 387.664932][ T10] __sys_sendmsg+0xcd/0x170 [ 387.664932][ T10] do_syscall_64+0xc6/0x1e0 [ 387.664932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.664932][ T10] [ 387.667293][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 387.667293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 387.667293][ T10] ipv6_find_idev+0x102/0x170 [ 387.667293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.667293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.667293][ T10] netlink_rcv_skb+0x130/0x360 [ 387.667293][ T10] netlink_unicast+0x449/0x710 [ 387.667293][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.667293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.667293][ T10] ___sys_sendmsg+0xee/0x170 [ 387.667293][ T10] __sys_sendmsg+0xcd/0x170 [ 387.667293][ T10] do_syscall_64+0xc6/0x1e0 [ 387.667293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.667293][ T10] [ 387.669101][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 387.669101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 387.669101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 387.669101][ T10] ipv6_find_idev+0x102/0x170 [ 387.669101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 387.669101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 387.669101][ T10] netlink_rcv_skb+0x130/0x360 [ 387.669101][ T10] netlink_unicast+0x449/0x710 [ 387.669101][ T10] netlink_sendmsg+0x723/0xbe0 [ 387.669101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 387.669101][ T10] ___sys_sendmsg+0xee/0x170 [ 387.669101][ T10] __sys_sendmsg+0xcd/0x170 [ 387.669101][ T10] do_syscall_64+0xc6/0x1e0 [ 387.669101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 387.669101][ T10] [ 397.909923][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 397.910370][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 397.910370][ T10] netdev_get_by_index+0x5e/0x80 [ 397.910370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.910370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.910370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.910370][ T10] ipv6_add_addr+0x411/0x2000 [ 397.910370][ T10] inet6_addr_add+0x30e/0xa40 [ 397.910370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.910370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.910370][ T10] netlink_rcv_skb+0x130/0x360 [ 397.910370][ T10] netlink_unicast+0x449/0x710 [ 397.910370][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.910370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.910370][ T10] ___sys_sendmsg+0xee/0x170 [ 397.910370][ T10] __sys_sendmsg+0xcd/0x170 [ 397.910370][ T10] do_syscall_64+0xc6/0x1e0 [ 397.910370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.910370][ T10] [ 397.912363][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 397.912363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.912363][ T10] ipv6_find_idev+0x102/0x170 [ 397.912363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.912363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.912363][ T10] netlink_rcv_skb+0x130/0x360 [ 397.912363][ T10] netlink_unicast+0x449/0x710 [ 397.912363][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.912363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.912363][ T10] ___sys_sendmsg+0xee/0x170 [ 397.912363][ T10] __sys_sendmsg+0xcd/0x170 [ 397.912363][ T10] do_syscall_64+0xc6/0x1e0 [ 397.912363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.912363][ T10] [ 397.913892][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 397.913892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.913892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.913892][ T10] ipv6_find_idev+0x102/0x170 [ 397.913892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.913892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.913892][ T10] netlink_rcv_skb+0x130/0x360 [ 397.913892][ T10] netlink_unicast+0x449/0x710 [ 397.913892][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.913892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.913892][ T10] ___sys_sendmsg+0xee/0x170 [ 397.913892][ T10] __sys_sendmsg+0xcd/0x170 [ 397.913892][ T10] do_syscall_64+0xc6/0x1e0 [ 397.913892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.913892][ T10] [ 397.915578][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 397.915870][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 397.915870][ T10] netdev_get_by_index+0x5e/0x80 [ 397.915870][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.915870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.915870][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.915870][ T10] ipv6_add_addr+0x411/0x2000 [ 397.915870][ T10] inet6_addr_add+0x30e/0xa40 [ 397.915870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.915870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.915870][ T10] netlink_rcv_skb+0x130/0x360 [ 397.915870][ T10] netlink_unicast+0x449/0x710 [ 397.915870][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.915870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.915870][ T10] ___sys_sendmsg+0xee/0x170 [ 397.915870][ T10] __sys_sendmsg+0xcd/0x170 [ 397.915870][ T10] do_syscall_64+0xc6/0x1e0 [ 397.915870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.915870][ T10] [ 397.917846][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 397.917846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.917846][ T10] ipv6_find_idev+0x102/0x170 [ 397.917846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.917846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.917846][ T10] netlink_rcv_skb+0x130/0x360 [ 397.917846][ T10] netlink_unicast+0x449/0x710 [ 397.917846][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.917846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.917846][ T10] ___sys_sendmsg+0xee/0x170 [ 397.917846][ T10] __sys_sendmsg+0xcd/0x170 [ 397.917846][ T10] do_syscall_64+0xc6/0x1e0 [ 397.917846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.917846][ T10] [ 397.919367][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 397.919367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.919367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.919367][ T10] ipv6_find_idev+0x102/0x170 [ 397.919367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.919367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.919367][ T10] netlink_rcv_skb+0x130/0x360 [ 397.919367][ T10] netlink_unicast+0x449/0x710 [ 397.919367][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.919367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.919367][ T10] ___sys_sendmsg+0xee/0x170 [ 397.919367][ T10] __sys_sendmsg+0xcd/0x170 [ 397.919367][ T10] do_syscall_64+0xc6/0x1e0 [ 397.919367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.919367][ T10] [ 397.921051][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 397.921321][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 397.921321][ T10] netdev_get_by_index+0x5e/0x80 [ 397.921321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.921321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.921321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.921321][ T10] ipv6_add_addr+0x411/0x2000 [ 397.921321][ T10] inet6_addr_add+0x30e/0xa40 [ 397.921321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.921321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.921321][ T10] netlink_rcv_skb+0x130/0x360 [ 397.921321][ T10] netlink_unicast+0x449/0x710 [ 397.921321][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.921321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.921321][ T10] ___sys_sendmsg+0xee/0x170 [ 397.921321][ T10] __sys_sendmsg+0xcd/0x170 [ 397.921321][ T10] do_syscall_64+0xc6/0x1e0 [ 397.921321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.921321][ T10] [ 397.923303][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 397.923303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.923303][ T10] ipv6_find_idev+0x102/0x170 [ 397.923303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.923303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.923303][ T10] netlink_rcv_skb+0x130/0x360 [ 397.923303][ T10] netlink_unicast+0x449/0x710 [ 397.923303][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.923303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.923303][ T10] ___sys_sendmsg+0xee/0x170 [ 397.923303][ T10] __sys_sendmsg+0xcd/0x170 [ 397.923303][ T10] do_syscall_64+0xc6/0x1e0 [ 397.923303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.923303][ T10] [ 397.924828][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 397.924828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.924828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.924828][ T10] ipv6_find_idev+0x102/0x170 [ 397.924828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.924828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.924828][ T10] netlink_rcv_skb+0x130/0x360 [ 397.924828][ T10] netlink_unicast+0x449/0x710 [ 397.924828][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.924828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.924828][ T10] ___sys_sendmsg+0xee/0x170 [ 397.924828][ T10] __sys_sendmsg+0xcd/0x170 [ 397.924828][ T10] do_syscall_64+0xc6/0x1e0 [ 397.924828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.924828][ T10] [ 397.926503][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 397.926772][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 397.926772][ T10] netdev_get_by_index+0x5e/0x80 [ 397.926772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.926772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.926772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.926772][ T10] ipv6_add_addr+0x411/0x2000 [ 397.926772][ T10] inet6_addr_add+0x30e/0xa40 [ 397.926772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.926772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.926772][ T10] netlink_rcv_skb+0x130/0x360 [ 397.926772][ T10] netlink_unicast+0x449/0x710 [ 397.926772][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.926772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.926772][ T10] ___sys_sendmsg+0xee/0x170 [ 397.926772][ T10] __sys_sendmsg+0xcd/0x170 [ 397.926772][ T10] do_syscall_64+0xc6/0x1e0 [ 397.926772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.926772][ T10] [ 397.928757][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 397.928757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.928757][ T10] ipv6_find_idev+0x102/0x170 [ 397.928757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.928757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.928757][ T10] netlink_rcv_skb+0x130/0x360 [ 397.928757][ T10] netlink_unicast+0x449/0x710 [ 397.928757][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.928757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.928757][ T10] ___sys_sendmsg+0xee/0x170 [ 397.928757][ T10] __sys_sendmsg+0xcd/0x170 [ 397.928757][ T10] do_syscall_64+0xc6/0x1e0 [ 397.928757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.928757][ T10] [ 397.930293][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 397.930293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.930293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.930293][ T10] ipv6_find_idev+0x102/0x170 [ 397.930293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.930293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.930293][ T10] netlink_rcv_skb+0x130/0x360 [ 397.930293][ T10] netlink_unicast+0x449/0x710 [ 397.930293][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.930293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.930293][ T10] ___sys_sendmsg+0xee/0x170 [ 397.930293][ T10] __sys_sendmsg+0xcd/0x170 [ 397.930293][ T10] do_syscall_64+0xc6/0x1e0 [ 397.930293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.930293][ T10] [ 397.932359][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 397.932619][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 397.932619][ T10] netdev_get_by_index+0x5e/0x80 [ 397.932619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.932619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.932619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.932619][ T10] ipv6_add_addr+0x411/0x2000 [ 397.932619][ T10] inet6_addr_add+0x30e/0xa40 [ 397.932619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.932619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.932619][ T10] netlink_rcv_skb+0x130/0x360 [ 397.932619][ T10] netlink_unicast+0x449/0x710 [ 397.932619][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.932619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.932619][ T10] ___sys_sendmsg+0xee/0x170 [ 397.932619][ T10] __sys_sendmsg+0xcd/0x170 [ 397.932619][ T10] do_syscall_64+0xc6/0x1e0 [ 397.932619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.932619][ T10] [ 397.934588][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 397.934588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.934588][ T10] ipv6_find_idev+0x102/0x170 [ 397.934588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.934588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.934588][ T10] netlink_rcv_skb+0x130/0x360 [ 397.934588][ T10] netlink_unicast+0x449/0x710 [ 397.934588][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.934588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.934588][ T10] ___sys_sendmsg+0xee/0x170 [ 397.934588][ T10] __sys_sendmsg+0xcd/0x170 [ 397.934588][ T10] do_syscall_64+0xc6/0x1e0 [ 397.934588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.934588][ T10] [ 397.936114][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 397.936114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.936114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.936114][ T10] ipv6_find_idev+0x102/0x170 [ 397.936114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.936114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.936114][ T10] netlink_rcv_skb+0x130/0x360 [ 397.936114][ T10] netlink_unicast+0x449/0x710 [ 397.936114][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.936114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.936114][ T10] ___sys_sendmsg+0xee/0x170 [ 397.936114][ T10] __sys_sendmsg+0xcd/0x170 [ 397.936114][ T10] do_syscall_64+0xc6/0x1e0 [ 397.936114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.936114][ T10] [ 397.937841][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 397.938109][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 397.938109][ T10] netdev_get_by_index+0x5e/0x80 [ 397.938109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.938109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.938109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.938109][ T10] ipv6_add_addr+0x411/0x2000 [ 397.938109][ T10] inet6_addr_add+0x30e/0xa40 [ 397.938109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.938109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.938109][ T10] netlink_rcv_skb+0x130/0x360 [ 397.938109][ T10] netlink_unicast+0x449/0x710 [ 397.938109][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.938109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.938109][ T10] ___sys_sendmsg+0xee/0x170 [ 397.938109][ T10] __sys_sendmsg+0xcd/0x170 [ 397.938109][ T10] do_syscall_64+0xc6/0x1e0 [ 397.938109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.938109][ T10] [ 397.940215][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 397.940215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.940215][ T10] ipv6_find_idev+0x102/0x170 [ 397.940215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.940215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.940215][ T10] netlink_rcv_skb+0x130/0x360 [ 397.940215][ T10] netlink_unicast+0x449/0x710 [ 397.940215][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.940215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.940215][ T10] ___sys_sendmsg+0xee/0x170 [ 397.940215][ T10] __sys_sendmsg+0xcd/0x170 [ 397.940215][ T10] do_syscall_64+0xc6/0x1e0 [ 397.940215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.940215][ T10] [ 397.941916][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 397.941916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.941916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.941916][ T10] ipv6_find_idev+0x102/0x170 [ 397.941916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.941916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.941916][ T10] netlink_rcv_skb+0x130/0x360 [ 397.941916][ T10] netlink_unicast+0x449/0x710 [ 397.941916][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.941916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.941916][ T10] ___sys_sendmsg+0xee/0x170 [ 397.941916][ T10] __sys_sendmsg+0xcd/0x170 [ 397.941916][ T10] do_syscall_64+0xc6/0x1e0 [ 397.941916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.941916][ T10] [ 397.943861][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 397.944124][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 397.944124][ T10] netdev_get_by_index+0x5e/0x80 [ 397.944124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.944124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.944124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.944124][ T10] ipv6_add_addr+0x411/0x2000 [ 397.944124][ T10] inet6_addr_add+0x30e/0xa40 [ 397.944124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.944124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.944124][ T10] netlink_rcv_skb+0x130/0x360 [ 397.944124][ T10] netlink_unicast+0x449/0x710 [ 397.944124][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.944124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.944124][ T10] ___sys_sendmsg+0xee/0x170 [ 397.944124][ T10] __sys_sendmsg+0xcd/0x170 [ 397.944124][ T10] do_syscall_64+0xc6/0x1e0 [ 397.944124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.944124][ T10] [ 397.946342][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 397.946342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.946342][ T10] ipv6_find_idev+0x102/0x170 [ 397.946342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.946342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.946342][ T10] netlink_rcv_skb+0x130/0x360 [ 397.946342][ T10] netlink_unicast+0x449/0x710 [ 397.946342][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.946342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.946342][ T10] ___sys_sendmsg+0xee/0x170 [ 397.946342][ T10] __sys_sendmsg+0xcd/0x170 [ 397.946342][ T10] do_syscall_64+0xc6/0x1e0 [ 397.946342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.946342][ T10] [ 397.948036][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 397.948036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.948036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.948036][ T10] ipv6_find_idev+0x102/0x170 [ 397.948036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.948036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.948036][ T10] netlink_rcv_skb+0x130/0x360 [ 397.948036][ T10] netlink_unicast+0x449/0x710 [ 397.948036][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.948036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.948036][ T10] ___sys_sendmsg+0xee/0x170 [ 397.948036][ T10] __sys_sendmsg+0xcd/0x170 [ 397.948036][ T10] do_syscall_64+0xc6/0x1e0 [ 397.948036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.948036][ T10] [ 397.949958][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 397.950247][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 397.950247][ T10] netdev_get_by_index+0x5e/0x80 [ 397.950247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 397.950247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 397.950247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 397.950247][ T10] ipv6_add_addr+0x411/0x2000 [ 397.950247][ T10] inet6_addr_add+0x30e/0xa40 [ 397.950247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 397.950247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.950247][ T10] netlink_rcv_skb+0x130/0x360 [ 397.950247][ T10] netlink_unicast+0x449/0x710 [ 397.950247][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.950247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.950247][ T10] ___sys_sendmsg+0xee/0x170 [ 397.950247][ T10] __sys_sendmsg+0xcd/0x170 [ 397.950247][ T10] do_syscall_64+0xc6/0x1e0 [ 397.950247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.950247][ T10] [ 397.952534][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 397.952534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 397.952534][ T10] ipv6_find_idev+0x102/0x170 [ 397.952534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.952534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.952534][ T10] netlink_rcv_skb+0x130/0x360 [ 397.952534][ T10] netlink_unicast+0x449/0x710 [ 397.952534][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.952534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.952534][ T10] ___sys_sendmsg+0xee/0x170 [ 397.952534][ T10] __sys_sendmsg+0xcd/0x170 [ 397.952534][ T10] do_syscall_64+0xc6/0x1e0 [ 397.952534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.952534][ T10] [ 397.954235][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 397.954235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 397.954235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 397.954235][ T10] ipv6_find_idev+0x102/0x170 [ 397.954235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 397.954235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 397.954235][ T10] netlink_rcv_skb+0x130/0x360 [ 397.954235][ T10] netlink_unicast+0x449/0x710 [ 397.954235][ T10] netlink_sendmsg+0x723/0xbe0 [ 397.954235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 397.954235][ T10] ___sys_sendmsg+0xee/0x170 [ 397.954235][ T10] __sys_sendmsg+0xcd/0x170 [ 397.954235][ T10] do_syscall_64+0xc6/0x1e0 [ 397.954235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 397.954235][ T10] [ 408.334027][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 408.334574][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 408.334574][ T10] netdev_get_by_index+0x5e/0x80 [ 408.334574][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.334574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.334574][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.334574][ T10] ipv6_add_addr+0x411/0x2000 [ 408.334574][ T10] inet6_addr_add+0x30e/0xa40 [ 408.334574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.334574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.334574][ T10] netlink_rcv_skb+0x130/0x360 [ 408.334574][ T10] netlink_unicast+0x449/0x710 [ 408.334574][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.334574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.334574][ T10] ___sys_sendmsg+0xee/0x170 [ 408.334574][ T10] __sys_sendmsg+0xcd/0x170 [ 408.334574][ T10] do_syscall_64+0xc6/0x1e0 [ 408.334574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.334574][ T10] [ 408.336629][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 408.336629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.336629][ T10] ipv6_find_idev+0x102/0x170 [ 408.336629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.336629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.336629][ T10] netlink_rcv_skb+0x130/0x360 [ 408.336629][ T10] netlink_unicast+0x449/0x710 [ 408.336629][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.336629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.336629][ T10] ___sys_sendmsg+0xee/0x170 [ 408.336629][ T10] __sys_sendmsg+0xcd/0x170 [ 408.336629][ T10] do_syscall_64+0xc6/0x1e0 [ 408.336629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.336629][ T10] [ 408.338176][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 408.338176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.338176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.338176][ T10] ipv6_find_idev+0x102/0x170 [ 408.338176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.338176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.338176][ T10] netlink_rcv_skb+0x130/0x360 [ 408.338176][ T10] netlink_unicast+0x449/0x710 [ 408.338176][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.338176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.338176][ T10] ___sys_sendmsg+0xee/0x170 [ 408.338176][ T10] __sys_sendmsg+0xcd/0x170 [ 408.338176][ T10] do_syscall_64+0xc6/0x1e0 [ 408.338176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.338176][ T10] [ 408.339943][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 408.340230][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 408.340230][ T10] netdev_get_by_index+0x5e/0x80 [ 408.340230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.340230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.340230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.340230][ T10] ipv6_add_addr+0x411/0x2000 [ 408.340230][ T10] inet6_addr_add+0x30e/0xa40 [ 408.340230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.340230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.340230][ T10] netlink_rcv_skb+0x130/0x360 [ 408.340230][ T10] netlink_unicast+0x449/0x710 [ 408.340230][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.340230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.340230][ T10] ___sys_sendmsg+0xee/0x170 [ 408.340230][ T10] __sys_sendmsg+0xcd/0x170 [ 408.340230][ T10] do_syscall_64+0xc6/0x1e0 [ 408.340230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.340230][ T10] [ 408.342237][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 408.342237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.342237][ T10] ipv6_find_idev+0x102/0x170 [ 408.342237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.342237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.342237][ T10] netlink_rcv_skb+0x130/0x360 [ 408.342237][ T10] netlink_unicast+0x449/0x710 [ 408.342237][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.342237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.342237][ T10] ___sys_sendmsg+0xee/0x170 [ 408.342237][ T10] __sys_sendmsg+0xcd/0x170 [ 408.342237][ T10] do_syscall_64+0xc6/0x1e0 [ 408.342237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.342237][ T10] [ 408.343780][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 408.343780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.343780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.343780][ T10] ipv6_find_idev+0x102/0x170 [ 408.343780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.343780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.343780][ T10] netlink_rcv_skb+0x130/0x360 [ 408.343780][ T10] netlink_unicast+0x449/0x710 [ 408.343780][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.343780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.343780][ T10] ___sys_sendmsg+0xee/0x170 [ 408.343780][ T10] __sys_sendmsg+0xcd/0x170 [ 408.343780][ T10] do_syscall_64+0xc6/0x1e0 [ 408.343780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.343780][ T10] [ 408.345489][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 408.345762][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 408.345762][ T10] netdev_get_by_index+0x5e/0x80 [ 408.345762][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.345762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.345762][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.345762][ T10] ipv6_add_addr+0x411/0x2000 [ 408.345762][ T10] inet6_addr_add+0x30e/0xa40 [ 408.345762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.345762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.345762][ T10] netlink_rcv_skb+0x130/0x360 [ 408.345762][ T10] netlink_unicast+0x449/0x710 [ 408.345762][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.345762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.345762][ T10] ___sys_sendmsg+0xee/0x170 [ 408.345762][ T10] __sys_sendmsg+0xcd/0x170 [ 408.345762][ T10] do_syscall_64+0xc6/0x1e0 [ 408.345762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.345762][ T10] [ 408.347787][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 408.347787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.347787][ T10] ipv6_find_idev+0x102/0x170 [ 408.347787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.347787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.347787][ T10] netlink_rcv_skb+0x130/0x360 [ 408.347787][ T10] netlink_unicast+0x449/0x710 [ 408.347787][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.347787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.347787][ T10] ___sys_sendmsg+0xee/0x170 [ 408.347787][ T10] __sys_sendmsg+0xcd/0x170 [ 408.347787][ T10] do_syscall_64+0xc6/0x1e0 [ 408.347787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.347787][ T10] [ 408.349335][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 408.349335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.349335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.349335][ T10] ipv6_find_idev+0x102/0x170 [ 408.349335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.349335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.349335][ T10] netlink_rcv_skb+0x130/0x360 [ 408.349335][ T10] netlink_unicast+0x449/0x710 [ 408.349335][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.349335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.349335][ T10] ___sys_sendmsg+0xee/0x170 [ 408.349335][ T10] __sys_sendmsg+0xcd/0x170 [ 408.349335][ T10] do_syscall_64+0xc6/0x1e0 [ 408.349335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.349335][ T10] [ 408.351052][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 408.351337][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 408.351337][ T10] netdev_get_by_index+0x5e/0x80 [ 408.351337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.351337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.351337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.351337][ T10] ipv6_add_addr+0x411/0x2000 [ 408.351337][ T10] inet6_addr_add+0x30e/0xa40 [ 408.351337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.351337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.351337][ T10] netlink_rcv_skb+0x130/0x360 [ 408.351337][ T10] netlink_unicast+0x449/0x710 [ 408.351337][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.351337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.351337][ T10] ___sys_sendmsg+0xee/0x170 [ 408.351337][ T10] __sys_sendmsg+0xcd/0x170 [ 408.351337][ T10] do_syscall_64+0xc6/0x1e0 [ 408.351337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.351337][ T10] [ 408.353922][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 408.353922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.353922][ T10] ipv6_find_idev+0x102/0x170 [ 408.353922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.353922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.353922][ T10] netlink_rcv_skb+0x130/0x360 [ 408.353922][ T10] netlink_unicast+0x449/0x710 [ 408.353922][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.353922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.353922][ T10] ___sys_sendmsg+0xee/0x170 [ 408.353922][ T10] __sys_sendmsg+0xcd/0x170 [ 408.353922][ T10] do_syscall_64+0xc6/0x1e0 [ 408.353922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.353922][ T10] [ 408.355850][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 408.355850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.355850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.355850][ T10] ipv6_find_idev+0x102/0x170 [ 408.355850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.355850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.355850][ T10] netlink_rcv_skb+0x130/0x360 [ 408.355850][ T10] netlink_unicast+0x449/0x710 [ 408.355850][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.355850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.355850][ T10] ___sys_sendmsg+0xee/0x170 [ 408.355850][ T10] __sys_sendmsg+0xcd/0x170 [ 408.355850][ T10] do_syscall_64+0xc6/0x1e0 [ 408.355850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.355850][ T10] [ 408.358455][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 408.358749][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 408.358749][ T10] netdev_get_by_index+0x5e/0x80 [ 408.358749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.358749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.358749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.358749][ T10] ipv6_add_addr+0x411/0x2000 [ 408.358749][ T10] inet6_addr_add+0x30e/0xa40 [ 408.358749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.358749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.358749][ T10] netlink_rcv_skb+0x130/0x360 [ 408.358749][ T10] netlink_unicast+0x449/0x710 [ 408.358749][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.358749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.358749][ T10] ___sys_sendmsg+0xee/0x170 [ 408.358749][ T10] __sys_sendmsg+0xcd/0x170 [ 408.358749][ T10] do_syscall_64+0xc6/0x1e0 [ 408.358749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.358749][ T10] [ 408.360793][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 408.360793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.360793][ T10] ipv6_find_idev+0x102/0x170 [ 408.360793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.360793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.360793][ T10] netlink_rcv_skb+0x130/0x360 [ 408.360793][ T10] netlink_unicast+0x449/0x710 [ 408.360793][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.360793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.360793][ T10] ___sys_sendmsg+0xee/0x170 [ 408.360793][ T10] __sys_sendmsg+0xcd/0x170 [ 408.360793][ T10] do_syscall_64+0xc6/0x1e0 [ 408.360793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.360793][ T10] [ 408.362340][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 408.362340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.362340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.362340][ T10] ipv6_find_idev+0x102/0x170 [ 408.362340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.362340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.362340][ T10] netlink_rcv_skb+0x130/0x360 [ 408.362340][ T10] netlink_unicast+0x449/0x710 [ 408.362340][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.362340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.362340][ T10] ___sys_sendmsg+0xee/0x170 [ 408.362340][ T10] __sys_sendmsg+0xcd/0x170 [ 408.362340][ T10] do_syscall_64+0xc6/0x1e0 [ 408.362340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.362340][ T10] [ 408.364271][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 408.364538][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 408.364538][ T10] netdev_get_by_index+0x5e/0x80 [ 408.364538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.364538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.364538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.364538][ T10] ipv6_add_addr+0x411/0x2000 [ 408.364538][ T10] inet6_addr_add+0x30e/0xa40 [ 408.364538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.364538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.364538][ T10] netlink_rcv_skb+0x130/0x360 [ 408.364538][ T10] netlink_unicast+0x449/0x710 [ 408.364538][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.364538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.364538][ T10] ___sys_sendmsg+0xee/0x170 [ 408.364538][ T10] __sys_sendmsg+0xcd/0x170 [ 408.364538][ T10] do_syscall_64+0xc6/0x1e0 [ 408.364538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.364538][ T10] [ 408.366861][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 408.366861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.366861][ T10] ipv6_find_idev+0x102/0x170 [ 408.366861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.366861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.366861][ T10] netlink_rcv_skb+0x130/0x360 [ 408.366861][ T10] netlink_unicast+0x449/0x710 [ 408.366861][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.366861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.366861][ T10] ___sys_sendmsg+0xee/0x170 [ 408.366861][ T10] __sys_sendmsg+0xcd/0x170 [ 408.366861][ T10] do_syscall_64+0xc6/0x1e0 [ 408.366861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.366861][ T10] [ 408.368595][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 408.368595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.368595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.368595][ T10] ipv6_find_idev+0x102/0x170 [ 408.368595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.368595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.368595][ T10] netlink_rcv_skb+0x130/0x360 [ 408.368595][ T10] netlink_unicast+0x449/0x710 [ 408.368595][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.368595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.368595][ T10] ___sys_sendmsg+0xee/0x170 [ 408.368595][ T10] __sys_sendmsg+0xcd/0x170 [ 408.368595][ T10] do_syscall_64+0xc6/0x1e0 [ 408.368595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.368595][ T10] [ 408.370532][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 408.370798][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 408.370798][ T10] netdev_get_by_index+0x5e/0x80 [ 408.370798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.370798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.370798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.370798][ T10] ipv6_add_addr+0x411/0x2000 [ 408.370798][ T10] inet6_addr_add+0x30e/0xa40 [ 408.370798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.370798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.370798][ T10] netlink_rcv_skb+0x130/0x360 [ 408.370798][ T10] netlink_unicast+0x449/0x710 [ 408.370798][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.370798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.370798][ T10] ___sys_sendmsg+0xee/0x170 [ 408.370798][ T10] __sys_sendmsg+0xcd/0x170 [ 408.370798][ T10] do_syscall_64+0xc6/0x1e0 [ 408.370798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.370798][ T10] [ 408.372981][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 408.372981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.372981][ T10] ipv6_find_idev+0x102/0x170 [ 408.372981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.372981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.372981][ T10] netlink_rcv_skb+0x130/0x360 [ 408.372981][ T10] netlink_unicast+0x449/0x710 [ 408.372981][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.372981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.372981][ T10] ___sys_sendmsg+0xee/0x170 [ 408.372981][ T10] __sys_sendmsg+0xcd/0x170 [ 408.372981][ T10] do_syscall_64+0xc6/0x1e0 [ 408.372981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.372981][ T10] [ 408.374714][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 408.374714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.374714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.374714][ T10] ipv6_find_idev+0x102/0x170 [ 408.374714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.374714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.374714][ T10] netlink_rcv_skb+0x130/0x360 [ 408.374714][ T10] netlink_unicast+0x449/0x710 [ 408.374714][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.374714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.374714][ T10] ___sys_sendmsg+0xee/0x170 [ 408.374714][ T10] __sys_sendmsg+0xcd/0x170 [ 408.374714][ T10] do_syscall_64+0xc6/0x1e0 [ 408.374714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.374714][ T10] [ 408.376747][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 408.377074][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 408.377074][ T10] netdev_get_by_index+0x5e/0x80 [ 408.377074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 408.377074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.377074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 408.377074][ T10] ipv6_add_addr+0x411/0x2000 [ 408.377074][ T10] inet6_addr_add+0x30e/0xa40 [ 408.377074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.377074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.377074][ T10] netlink_rcv_skb+0x130/0x360 [ 408.377074][ T10] netlink_unicast+0x449/0x710 [ 408.377074][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.377074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.377074][ T10] ___sys_sendmsg+0xee/0x170 [ 408.377074][ T10] __sys_sendmsg+0xcd/0x170 [ 408.377074][ T10] do_syscall_64+0xc6/0x1e0 [ 408.377074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.377074][ T10] [ 408.379263][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 408.379263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.379263][ T10] ipv6_find_idev+0x102/0x170 [ 408.379263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.379263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.379263][ T10] netlink_rcv_skb+0x130/0x360 [ 408.379263][ T10] netlink_unicast+0x449/0x710 [ 408.379263][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.379263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.379263][ T10] ___sys_sendmsg+0xee/0x170 [ 408.379263][ T10] __sys_sendmsg+0xcd/0x170 [ 408.379263][ T10] do_syscall_64+0xc6/0x1e0 [ 408.379263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.379263][ T10] [ 408.381000][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 408.381000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.381000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.381000][ T10] ipv6_find_idev+0x102/0x170 [ 408.381000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.381000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.381000][ T10] netlink_rcv_skb+0x130/0x360 [ 408.381000][ T10] netlink_unicast+0x449/0x710 [ 408.381000][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.381000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.381000][ T10] ___sys_sendmsg+0xee/0x170 [ 408.381000][ T10] __sys_sendmsg+0xcd/0x170 [ 408.381000][ T10] do_syscall_64+0xc6/0x1e0 [ 408.381000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.381000][ T10] [ 418.637956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 418.638510][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 418.638510][ T10] netdev_get_by_index+0x5e/0x80 [ 418.638510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.638510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.638510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.638510][ T10] ipv6_add_addr+0x411/0x2000 [ 418.638510][ T10] inet6_addr_add+0x30e/0xa40 [ 418.638510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.638510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.638510][ T10] netlink_rcv_skb+0x130/0x360 [ 418.638510][ T10] netlink_unicast+0x449/0x710 [ 418.638510][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.638510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.638510][ T10] ___sys_sendmsg+0xee/0x170 [ 418.638510][ T10] __sys_sendmsg+0xcd/0x170 [ 418.638510][ T10] do_syscall_64+0xc6/0x1e0 [ 418.638510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.638510][ T10] [ 418.640560][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 418.640560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.640560][ T10] ipv6_find_idev+0x102/0x170 [ 418.640560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.640560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.640560][ T10] netlink_rcv_skb+0x130/0x360 [ 418.640560][ T10] netlink_unicast+0x449/0x710 [ 418.640560][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.640560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.640560][ T10] ___sys_sendmsg+0xee/0x170 [ 418.640560][ T10] __sys_sendmsg+0xcd/0x170 [ 418.640560][ T10] do_syscall_64+0xc6/0x1e0 [ 418.640560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.640560][ T10] [ 418.642100][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 418.642100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.642100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.642100][ T10] ipv6_find_idev+0x102/0x170 [ 418.642100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.642100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.642100][ T10] netlink_rcv_skb+0x130/0x360 [ 418.642100][ T10] netlink_unicast+0x449/0x710 [ 418.642100][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.642100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.642100][ T10] ___sys_sendmsg+0xee/0x170 [ 418.642100][ T10] __sys_sendmsg+0xcd/0x170 [ 418.642100][ T10] do_syscall_64+0xc6/0x1e0 [ 418.642100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.642100][ T10] [ 418.643821][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 418.644199][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 418.644199][ T10] netdev_get_by_index+0x5e/0x80 [ 418.644199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.644199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.644199][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.644199][ T10] ipv6_add_addr+0x411/0x2000 [ 418.644199][ T10] inet6_addr_add+0x30e/0xa40 [ 418.644199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.644199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.644199][ T10] netlink_rcv_skb+0x130/0x360 [ 418.644199][ T10] netlink_unicast+0x449/0x710 [ 418.644199][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.644199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.644199][ T10] ___sys_sendmsg+0xee/0x170 [ 418.644199][ T10] __sys_sendmsg+0xcd/0x170 [ 418.644199][ T10] do_syscall_64+0xc6/0x1e0 [ 418.644199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.644199][ T10] [ 418.646203][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 418.646203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.646203][ T10] ipv6_find_idev+0x102/0x170 [ 418.646203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.646203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.646203][ T10] netlink_rcv_skb+0x130/0x360 [ 418.646203][ T10] netlink_unicast+0x449/0x710 [ 418.646203][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.646203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.646203][ T10] ___sys_sendmsg+0xee/0x170 [ 418.646203][ T10] __sys_sendmsg+0xcd/0x170 [ 418.646203][ T10] do_syscall_64+0xc6/0x1e0 [ 418.646203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.646203][ T10] [ 418.647747][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 418.647747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.647747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.647747][ T10] ipv6_find_idev+0x102/0x170 [ 418.647747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.647747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.647747][ T10] netlink_rcv_skb+0x130/0x360 [ 418.647747][ T10] netlink_unicast+0x449/0x710 [ 418.647747][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.647747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.647747][ T10] ___sys_sendmsg+0xee/0x170 [ 418.647747][ T10] __sys_sendmsg+0xcd/0x170 [ 418.647747][ T10] do_syscall_64+0xc6/0x1e0 [ 418.647747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.647747][ T10] [ 418.649450][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 418.649721][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 418.649721][ T10] netdev_get_by_index+0x5e/0x80 [ 418.649721][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.649721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.649721][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.649721][ T10] ipv6_add_addr+0x411/0x2000 [ 418.649721][ T10] inet6_addr_add+0x30e/0xa40 [ 418.649721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.649721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.649721][ T10] netlink_rcv_skb+0x130/0x360 [ 418.649721][ T10] netlink_unicast+0x449/0x710 [ 418.649721][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.649721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.649721][ T10] ___sys_sendmsg+0xee/0x170 [ 418.649721][ T10] __sys_sendmsg+0xcd/0x170 [ 418.649721][ T10] do_syscall_64+0xc6/0x1e0 [ 418.649721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.649721][ T10] [ 418.651719][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 418.651719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.651719][ T10] ipv6_find_idev+0x102/0x170 [ 418.651719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.651719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.651719][ T10] netlink_rcv_skb+0x130/0x360 [ 418.651719][ T10] netlink_unicast+0x449/0x710 [ 418.651719][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.651719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.651719][ T10] ___sys_sendmsg+0xee/0x170 [ 418.651719][ T10] __sys_sendmsg+0xcd/0x170 [ 418.651719][ T10] do_syscall_64+0xc6/0x1e0 [ 418.651719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.651719][ T10] [ 418.653273][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 418.653273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.653273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.653273][ T10] ipv6_find_idev+0x102/0x170 [ 418.653273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.653273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.653273][ T10] netlink_rcv_skb+0x130/0x360 [ 418.653273][ T10] netlink_unicast+0x449/0x710 [ 418.653273][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.653273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.653273][ T10] ___sys_sendmsg+0xee/0x170 [ 418.653273][ T10] __sys_sendmsg+0xcd/0x170 [ 418.653273][ T10] do_syscall_64+0xc6/0x1e0 [ 418.653273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.653273][ T10] [ 418.654963][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 418.655229][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 418.655229][ T10] netdev_get_by_index+0x5e/0x80 [ 418.655229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.655229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.655229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.655229][ T10] ipv6_add_addr+0x411/0x2000 [ 418.655229][ T10] inet6_addr_add+0x30e/0xa40 [ 418.655229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.655229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.655229][ T10] netlink_rcv_skb+0x130/0x360 [ 418.655229][ T10] netlink_unicast+0x449/0x710 [ 418.655229][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.655229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.655229][ T10] ___sys_sendmsg+0xee/0x170 [ 418.655229][ T10] __sys_sendmsg+0xcd/0x170 [ 418.655229][ T10] do_syscall_64+0xc6/0x1e0 [ 418.655229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.655229][ T10] [ 418.657231][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 418.657231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.657231][ T10] ipv6_find_idev+0x102/0x170 [ 418.657231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.657231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.657231][ T10] netlink_rcv_skb+0x130/0x360 [ 418.657231][ T10] netlink_unicast+0x449/0x710 [ 418.657231][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.657231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.657231][ T10] ___sys_sendmsg+0xee/0x170 [ 418.657231][ T10] __sys_sendmsg+0xcd/0x170 [ 418.657231][ T10] do_syscall_64+0xc6/0x1e0 [ 418.657231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.657231][ T10] [ 418.658773][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 418.658773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.658773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.658773][ T10] ipv6_find_idev+0x102/0x170 [ 418.658773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.658773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.658773][ T10] netlink_rcv_skb+0x130/0x360 [ 418.658773][ T10] netlink_unicast+0x449/0x710 [ 418.658773][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.658773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.658773][ T10] ___sys_sendmsg+0xee/0x170 [ 418.658773][ T10] __sys_sendmsg+0xcd/0x170 [ 418.658773][ T10] do_syscall_64+0xc6/0x1e0 [ 418.658773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.658773][ T10] [ 418.660878][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 418.661472][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 418.661472][ T10] netdev_get_by_index+0x5e/0x80 [ 418.661472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.661472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.661472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.661472][ T10] ipv6_add_addr+0x411/0x2000 [ 418.661472][ T10] inet6_addr_add+0x30e/0xa40 [ 418.661472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.661472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.661472][ T10] netlink_rcv_skb+0x130/0x360 [ 418.661472][ T10] netlink_unicast+0x449/0x710 [ 418.661472][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.661472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.661472][ T10] ___sys_sendmsg+0xee/0x170 [ 418.661472][ T10] __sys_sendmsg+0xcd/0x170 [ 418.661472][ T10] do_syscall_64+0xc6/0x1e0 [ 418.661472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.661472][ T10] [ 418.663464][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 418.663464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.663464][ T10] ipv6_find_idev+0x102/0x170 [ 418.663464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.663464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.663464][ T10] netlink_rcv_skb+0x130/0x360 [ 418.663464][ T10] netlink_unicast+0x449/0x710 [ 418.663464][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.663464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.663464][ T10] ___sys_sendmsg+0xee/0x170 [ 418.663464][ T10] __sys_sendmsg+0xcd/0x170 [ 418.663464][ T10] do_syscall_64+0xc6/0x1e0 [ 418.663464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.663464][ T10] [ 418.665001][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 418.665001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.665001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.665001][ T10] ipv6_find_idev+0x102/0x170 [ 418.665001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.665001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.665001][ T10] netlink_rcv_skb+0x130/0x360 [ 418.665001][ T10] netlink_unicast+0x449/0x710 [ 418.665001][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.665001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.665001][ T10] ___sys_sendmsg+0xee/0x170 [ 418.665001][ T10] __sys_sendmsg+0xcd/0x170 [ 418.665001][ T10] do_syscall_64+0xc6/0x1e0 [ 418.665001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.665001][ T10] [ 418.666684][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 418.667097][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 418.667097][ T10] netdev_get_by_index+0x5e/0x80 [ 418.667097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.667097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.667097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.667097][ T10] ipv6_add_addr+0x411/0x2000 [ 418.667097][ T10] inet6_addr_add+0x30e/0xa40 [ 418.667097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.667097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.667097][ T10] netlink_rcv_skb+0x130/0x360 [ 418.667097][ T10] netlink_unicast+0x449/0x710 [ 418.667097][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.667097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.667097][ T10] ___sys_sendmsg+0xee/0x170 [ 418.667097][ T10] __sys_sendmsg+0xcd/0x170 [ 418.667097][ T10] do_syscall_64+0xc6/0x1e0 [ 418.667097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.667097][ T10] [ 418.669666][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 418.669666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.669666][ T10] ipv6_find_idev+0x102/0x170 [ 418.669666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.669666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.669666][ T10] netlink_rcv_skb+0x130/0x360 [ 418.669666][ T10] netlink_unicast+0x449/0x710 [ 418.669666][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.669666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.669666][ T10] ___sys_sendmsg+0xee/0x170 [ 418.669666][ T10] __sys_sendmsg+0xcd/0x170 [ 418.669666][ T10] do_syscall_64+0xc6/0x1e0 [ 418.669666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.669666][ T10] [ 418.671632][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 418.671632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.671632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.671632][ T10] ipv6_find_idev+0x102/0x170 [ 418.671632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.671632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.671632][ T10] netlink_rcv_skb+0x130/0x360 [ 418.671632][ T10] netlink_unicast+0x449/0x710 [ 418.671632][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.671632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.671632][ T10] ___sys_sendmsg+0xee/0x170 [ 418.671632][ T10] __sys_sendmsg+0xcd/0x170 [ 418.671632][ T10] do_syscall_64+0xc6/0x1e0 [ 418.671632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.671632][ T10] [ 418.674034][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 418.674355][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 418.674355][ T10] netdev_get_by_index+0x5e/0x80 [ 418.674355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.674355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.674355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.674355][ T10] ipv6_add_addr+0x411/0x2000 [ 418.674355][ T10] inet6_addr_add+0x30e/0xa40 [ 418.674355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.674355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.674355][ T10] netlink_rcv_skb+0x130/0x360 [ 418.674355][ T10] netlink_unicast+0x449/0x710 [ 418.674355][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.674355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.674355][ T10] ___sys_sendmsg+0xee/0x170 [ 418.674355][ T10] __sys_sendmsg+0xcd/0x170 [ 418.674355][ T10] do_syscall_64+0xc6/0x1e0 [ 418.674355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.674355][ T10] [ 418.676522][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 418.676522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.676522][ T10] ipv6_find_idev+0x102/0x170 [ 418.676522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.676522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.676522][ T10] netlink_rcv_skb+0x130/0x360 [ 418.676522][ T10] netlink_unicast+0x449/0x710 [ 418.676522][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.676522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.676522][ T10] ___sys_sendmsg+0xee/0x170 [ 418.676522][ T10] __sys_sendmsg+0xcd/0x170 [ 418.676522][ T10] do_syscall_64+0xc6/0x1e0 [ 418.676522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.676522][ T10] [ 418.678239][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 418.678239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.678239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.678239][ T10] ipv6_find_idev+0x102/0x170 [ 418.678239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.678239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.678239][ T10] netlink_rcv_skb+0x130/0x360 [ 418.678239][ T10] netlink_unicast+0x449/0x710 [ 418.678239][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.678239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.678239][ T10] ___sys_sendmsg+0xee/0x170 [ 418.678239][ T10] __sys_sendmsg+0xcd/0x170 [ 418.678239][ T10] do_syscall_64+0xc6/0x1e0 [ 418.678239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.678239][ T10] [ 418.680218][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 418.680530][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 418.680530][ T10] netdev_get_by_index+0x5e/0x80 [ 418.680530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 418.680530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 418.680530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 418.680530][ T10] ipv6_add_addr+0x411/0x2000 [ 418.680530][ T10] inet6_addr_add+0x30e/0xa40 [ 418.680530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 418.680530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.680530][ T10] netlink_rcv_skb+0x130/0x360 [ 418.680530][ T10] netlink_unicast+0x449/0x710 [ 418.680530][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.680530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.680530][ T10] ___sys_sendmsg+0xee/0x170 [ 418.680530][ T10] __sys_sendmsg+0xcd/0x170 [ 418.680530][ T10] do_syscall_64+0xc6/0x1e0 [ 418.680530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.680530][ T10] [ 418.682699][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 418.682699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 418.682699][ T10] ipv6_find_idev+0x102/0x170 [ 418.682699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.682699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.682699][ T10] netlink_rcv_skb+0x130/0x360 [ 418.682699][ T10] netlink_unicast+0x449/0x710 [ 418.682699][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.682699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.682699][ T10] ___sys_sendmsg+0xee/0x170 [ 418.682699][ T10] __sys_sendmsg+0xcd/0x170 [ 418.682699][ T10] do_syscall_64+0xc6/0x1e0 [ 418.682699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.682699][ T10] [ 418.684471][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 418.684471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 418.684471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 418.684471][ T10] ipv6_find_idev+0x102/0x170 [ 418.684471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 418.684471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 418.684471][ T10] netlink_rcv_skb+0x130/0x360 [ 418.684471][ T10] netlink_unicast+0x449/0x710 [ 418.684471][ T10] netlink_sendmsg+0x723/0xbe0 [ 418.684471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 418.684471][ T10] ___sys_sendmsg+0xee/0x170 [ 418.684471][ T10] __sys_sendmsg+0xcd/0x170 [ 418.684471][ T10] do_syscall_64+0xc6/0x1e0 [ 418.684471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 418.684471][ T10] [ 428.941909][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 428.942403][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 428.942403][ T10] netdev_get_by_index+0x5e/0x80 [ 428.942403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.942403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.942403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.942403][ T10] ipv6_add_addr+0x411/0x2000 [ 428.942403][ T10] inet6_addr_add+0x30e/0xa40 [ 428.942403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.942403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.942403][ T10] netlink_rcv_skb+0x130/0x360 [ 428.942403][ T10] netlink_unicast+0x449/0x710 [ 428.942403][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.942403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.942403][ T10] ___sys_sendmsg+0xee/0x170 [ 428.942403][ T10] __sys_sendmsg+0xcd/0x170 [ 428.942403][ T10] do_syscall_64+0xc6/0x1e0 [ 428.942403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.942403][ T10] [ 428.944411][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 428.944411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.944411][ T10] ipv6_find_idev+0x102/0x170 [ 428.944411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.944411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.944411][ T10] netlink_rcv_skb+0x130/0x360 [ 428.944411][ T10] netlink_unicast+0x449/0x710 [ 428.944411][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.944411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.944411][ T10] ___sys_sendmsg+0xee/0x170 [ 428.944411][ T10] __sys_sendmsg+0xcd/0x170 [ 428.944411][ T10] do_syscall_64+0xc6/0x1e0 [ 428.944411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.944411][ T10] [ 428.945944][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 428.945944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.945944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.945944][ T10] ipv6_find_idev+0x102/0x170 [ 428.945944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.945944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.945944][ T10] netlink_rcv_skb+0x130/0x360 [ 428.945944][ T10] netlink_unicast+0x449/0x710 [ 428.945944][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.945944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.945944][ T10] ___sys_sendmsg+0xee/0x170 [ 428.945944][ T10] __sys_sendmsg+0xcd/0x170 [ 428.945944][ T10] do_syscall_64+0xc6/0x1e0 [ 428.945944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.945944][ T10] [ 428.947684][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 428.948010][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 428.948010][ T10] netdev_get_by_index+0x5e/0x80 [ 428.948010][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.948010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.948010][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.948010][ T10] ipv6_add_addr+0x411/0x2000 [ 428.948010][ T10] inet6_addr_add+0x30e/0xa40 [ 428.948010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.948010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.948010][ T10] netlink_rcv_skb+0x130/0x360 [ 428.948010][ T10] netlink_unicast+0x449/0x710 [ 428.948010][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.948010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.948010][ T10] ___sys_sendmsg+0xee/0x170 [ 428.948010][ T10] __sys_sendmsg+0xcd/0x170 [ 428.948010][ T10] do_syscall_64+0xc6/0x1e0 [ 428.948010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.948010][ T10] [ 428.950005][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 428.950005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.950005][ T10] ipv6_find_idev+0x102/0x170 [ 428.950005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.950005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.950005][ T10] netlink_rcv_skb+0x130/0x360 [ 428.950005][ T10] netlink_unicast+0x449/0x710 [ 428.950005][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.950005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.950005][ T10] ___sys_sendmsg+0xee/0x170 [ 428.950005][ T10] __sys_sendmsg+0xcd/0x170 [ 428.950005][ T10] do_syscall_64+0xc6/0x1e0 [ 428.950005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.950005][ T10] [ 428.951535][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 428.951535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.951535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.951535][ T10] ipv6_find_idev+0x102/0x170 [ 428.951535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.951535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.951535][ T10] netlink_rcv_skb+0x130/0x360 [ 428.951535][ T10] netlink_unicast+0x449/0x710 [ 428.951535][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.951535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.951535][ T10] ___sys_sendmsg+0xee/0x170 [ 428.951535][ T10] __sys_sendmsg+0xcd/0x170 [ 428.951535][ T10] do_syscall_64+0xc6/0x1e0 [ 428.951535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.951535][ T10] [ 428.953495][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 428.953899][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 428.953899][ T10] netdev_get_by_index+0x5e/0x80 [ 428.953899][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.953899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.953899][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.953899][ T10] ipv6_add_addr+0x411/0x2000 [ 428.953899][ T10] inet6_addr_add+0x30e/0xa40 [ 428.953899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.953899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.953899][ T10] netlink_rcv_skb+0x130/0x360 [ 428.953899][ T10] netlink_unicast+0x449/0x710 [ 428.953899][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.953899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.953899][ T10] ___sys_sendmsg+0xee/0x170 [ 428.953899][ T10] __sys_sendmsg+0xcd/0x170 [ 428.953899][ T10] do_syscall_64+0xc6/0x1e0 [ 428.953899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.953899][ T10] [ 428.956513][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 428.956513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.956513][ T10] ipv6_find_idev+0x102/0x170 [ 428.956513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.956513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.956513][ T10] netlink_rcv_skb+0x130/0x360 [ 428.956513][ T10] netlink_unicast+0x449/0x710 [ 428.956513][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.956513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.956513][ T10] ___sys_sendmsg+0xee/0x170 [ 428.956513][ T10] __sys_sendmsg+0xcd/0x170 [ 428.956513][ T10] do_syscall_64+0xc6/0x1e0 [ 428.956513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.956513][ T10] [ 428.958724][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 428.958724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.958724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.958724][ T10] ipv6_find_idev+0x102/0x170 [ 428.958724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.958724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.958724][ T10] netlink_rcv_skb+0x130/0x360 [ 428.958724][ T10] netlink_unicast+0x449/0x710 [ 428.958724][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.958724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.958724][ T10] ___sys_sendmsg+0xee/0x170 [ 428.958724][ T10] __sys_sendmsg+0xcd/0x170 [ 428.958724][ T10] do_syscall_64+0xc6/0x1e0 [ 428.958724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.958724][ T10] [ 428.961150][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 428.961525][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 428.961525][ T10] netdev_get_by_index+0x5e/0x80 [ 428.961525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.961525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.961525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.961525][ T10] ipv6_add_addr+0x411/0x2000 [ 428.961525][ T10] inet6_addr_add+0x30e/0xa40 [ 428.961525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.961525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.961525][ T10] netlink_rcv_skb+0x130/0x360 [ 428.961525][ T10] netlink_unicast+0x449/0x710 [ 428.961525][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.961525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.961525][ T10] ___sys_sendmsg+0xee/0x170 [ 428.961525][ T10] __sys_sendmsg+0xcd/0x170 [ 428.961525][ T10] do_syscall_64+0xc6/0x1e0 [ 428.961525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.961525][ T10] [ 428.964418][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 428.964418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.964418][ T10] ipv6_find_idev+0x102/0x170 [ 428.964418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.964418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.964418][ T10] netlink_rcv_skb+0x130/0x360 [ 428.964418][ T10] netlink_unicast+0x449/0x710 [ 428.964418][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.964418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.964418][ T10] ___sys_sendmsg+0xee/0x170 [ 428.964418][ T10] __sys_sendmsg+0xcd/0x170 [ 428.964418][ T10] do_syscall_64+0xc6/0x1e0 [ 428.964418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.964418][ T10] [ 428.966642][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 428.966642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.966642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.966642][ T10] ipv6_find_idev+0x102/0x170 [ 428.966642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.966642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.966642][ T10] netlink_rcv_skb+0x130/0x360 [ 428.966642][ T10] netlink_unicast+0x449/0x710 [ 428.966642][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.966642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.966642][ T10] ___sys_sendmsg+0xee/0x170 [ 428.966642][ T10] __sys_sendmsg+0xcd/0x170 [ 428.966642][ T10] do_syscall_64+0xc6/0x1e0 [ 428.966642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.966642][ T10] [ 428.969492][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 428.969780][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 428.969780][ T10] netdev_get_by_index+0x5e/0x80 [ 428.969780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.969780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.969780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.969780][ T10] ipv6_add_addr+0x411/0x2000 [ 428.969780][ T10] inet6_addr_add+0x30e/0xa40 [ 428.969780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.969780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.969780][ T10] netlink_rcv_skb+0x130/0x360 [ 428.969780][ T10] netlink_unicast+0x449/0x710 [ 428.969780][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.969780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.969780][ T10] ___sys_sendmsg+0xee/0x170 [ 428.969780][ T10] __sys_sendmsg+0xcd/0x170 [ 428.969780][ T10] do_syscall_64+0xc6/0x1e0 [ 428.969780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.969780][ T10] [ 428.971744][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 428.971744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.971744][ T10] ipv6_find_idev+0x102/0x170 [ 428.971744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.971744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.971744][ T10] netlink_rcv_skb+0x130/0x360 [ 428.971744][ T10] netlink_unicast+0x449/0x710 [ 428.971744][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.971744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.971744][ T10] ___sys_sendmsg+0xee/0x170 [ 428.971744][ T10] __sys_sendmsg+0xcd/0x170 [ 428.971744][ T10] do_syscall_64+0xc6/0x1e0 [ 428.971744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.971744][ T10] [ 428.973259][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 428.973259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.973259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.973259][ T10] ipv6_find_idev+0x102/0x170 [ 428.973259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.973259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.973259][ T10] netlink_rcv_skb+0x130/0x360 [ 428.973259][ T10] netlink_unicast+0x449/0x710 [ 428.973259][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.973259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.973259][ T10] ___sys_sendmsg+0xee/0x170 [ 428.973259][ T10] __sys_sendmsg+0xcd/0x170 [ 428.973259][ T10] do_syscall_64+0xc6/0x1e0 [ 428.973259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.973259][ T10] [ 428.975003][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 428.975270][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 428.975270][ T10] netdev_get_by_index+0x5e/0x80 [ 428.975270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.975270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.975270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.975270][ T10] ipv6_add_addr+0x411/0x2000 [ 428.975270][ T10] inet6_addr_add+0x30e/0xa40 [ 428.975270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.975270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.975270][ T10] netlink_rcv_skb+0x130/0x360 [ 428.975270][ T10] netlink_unicast+0x449/0x710 [ 428.975270][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.975270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.975270][ T10] ___sys_sendmsg+0xee/0x170 [ 428.975270][ T10] __sys_sendmsg+0xcd/0x170 [ 428.975270][ T10] do_syscall_64+0xc6/0x1e0 [ 428.975270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.975270][ T10] [ 428.977434][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 428.977434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.977434][ T10] ipv6_find_idev+0x102/0x170 [ 428.977434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.977434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.977434][ T10] netlink_rcv_skb+0x130/0x360 [ 428.977434][ T10] netlink_unicast+0x449/0x710 [ 428.977434][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.977434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.977434][ T10] ___sys_sendmsg+0xee/0x170 [ 428.977434][ T10] __sys_sendmsg+0xcd/0x170 [ 428.977434][ T10] do_syscall_64+0xc6/0x1e0 [ 428.977434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.977434][ T10] [ 428.979199][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 428.979199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.979199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.979199][ T10] ipv6_find_idev+0x102/0x170 [ 428.979199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.979199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.979199][ T10] netlink_rcv_skb+0x130/0x360 [ 428.979199][ T10] netlink_unicast+0x449/0x710 [ 428.979199][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.979199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.979199][ T10] ___sys_sendmsg+0xee/0x170 [ 428.979199][ T10] __sys_sendmsg+0xcd/0x170 [ 428.979199][ T10] do_syscall_64+0xc6/0x1e0 [ 428.979199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.979199][ T10] [ 428.981124][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 428.981390][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 428.981390][ T10] netdev_get_by_index+0x5e/0x80 [ 428.981390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.981390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.981390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.981390][ T10] ipv6_add_addr+0x411/0x2000 [ 428.981390][ T10] inet6_addr_add+0x30e/0xa40 [ 428.981390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.981390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.981390][ T10] netlink_rcv_skb+0x130/0x360 [ 428.981390][ T10] netlink_unicast+0x449/0x710 [ 428.981390][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.981390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.981390][ T10] ___sys_sendmsg+0xee/0x170 [ 428.981390][ T10] __sys_sendmsg+0xcd/0x170 [ 428.981390][ T10] do_syscall_64+0xc6/0x1e0 [ 428.981390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.981390][ T10] [ 428.983607][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 428.983607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.983607][ T10] ipv6_find_idev+0x102/0x170 [ 428.983607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.983607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.983607][ T10] netlink_rcv_skb+0x130/0x360 [ 428.983607][ T10] netlink_unicast+0x449/0x710 [ 428.983607][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.983607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.983607][ T10] ___sys_sendmsg+0xee/0x170 [ 428.983607][ T10] __sys_sendmsg+0xcd/0x170 [ 428.983607][ T10] do_syscall_64+0xc6/0x1e0 [ 428.983607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.983607][ T10] [ 428.985310][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 428.985310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.985310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.985310][ T10] ipv6_find_idev+0x102/0x170 [ 428.985310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.985310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.985310][ T10] netlink_rcv_skb+0x130/0x360 [ 428.985310][ T10] netlink_unicast+0x449/0x710 [ 428.985310][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.985310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.985310][ T10] ___sys_sendmsg+0xee/0x170 [ 428.985310][ T10] __sys_sendmsg+0xcd/0x170 [ 428.985310][ T10] do_syscall_64+0xc6/0x1e0 [ 428.985310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.985310][ T10] [ 428.987237][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 428.987507][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 428.987507][ T10] netdev_get_by_index+0x5e/0x80 [ 428.987507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 428.987507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 428.987507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 428.987507][ T10] ipv6_add_addr+0x411/0x2000 [ 428.987507][ T10] inet6_addr_add+0x30e/0xa40 [ 428.987507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 428.987507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.987507][ T10] netlink_rcv_skb+0x130/0x360 [ 428.987507][ T10] netlink_unicast+0x449/0x710 [ 428.987507][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.987507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.987507][ T10] ___sys_sendmsg+0xee/0x170 [ 428.987507][ T10] __sys_sendmsg+0xcd/0x170 [ 428.987507][ T10] do_syscall_64+0xc6/0x1e0 [ 428.987507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.987507][ T10] [ 428.989737][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 428.989737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 428.989737][ T10] ipv6_find_idev+0x102/0x170 [ 428.989737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.989737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.989737][ T10] netlink_rcv_skb+0x130/0x360 [ 428.989737][ T10] netlink_unicast+0x449/0x710 [ 428.989737][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.989737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.989737][ T10] ___sys_sendmsg+0xee/0x170 [ 428.989737][ T10] __sys_sendmsg+0xcd/0x170 [ 428.989737][ T10] do_syscall_64+0xc6/0x1e0 [ 428.989737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.989737][ T10] [ 428.991380][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 428.991380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 428.991380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 428.991380][ T10] ipv6_find_idev+0x102/0x170 [ 428.991380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 428.991380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 428.991380][ T10] netlink_rcv_skb+0x130/0x360 [ 428.991380][ T10] netlink_unicast+0x449/0x710 [ 428.991380][ T10] netlink_sendmsg+0x723/0xbe0 [ 428.991380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 428.991380][ T10] ___sys_sendmsg+0xee/0x170 [ 428.991380][ T10] __sys_sendmsg+0xcd/0x170 [ 428.991380][ T10] do_syscall_64+0xc6/0x1e0 [ 428.991380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 428.991380][ T10] [ 439.013872][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 439.014320][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 439.014320][ T10] netdev_get_by_index+0x5e/0x80 [ 439.014320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.014320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.014320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.014320][ T10] ipv6_add_addr+0x411/0x2000 [ 439.014320][ T10] inet6_addr_add+0x30e/0xa40 [ 439.014320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.014320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.014320][ T10] netlink_rcv_skb+0x130/0x360 [ 439.014320][ T10] netlink_unicast+0x449/0x710 [ 439.014320][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.014320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.014320][ T10] ___sys_sendmsg+0xee/0x170 [ 439.014320][ T10] __sys_sendmsg+0xcd/0x170 [ 439.014320][ T10] do_syscall_64+0xc6/0x1e0 [ 439.014320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.014320][ T10] [ 439.016314][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 439.016314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.016314][ T10] ipv6_find_idev+0x102/0x170 [ 439.016314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.016314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.016314][ T10] netlink_rcv_skb+0x130/0x360 [ 439.016314][ T10] netlink_unicast+0x449/0x710 [ 439.016314][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.016314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.016314][ T10] ___sys_sendmsg+0xee/0x170 [ 439.016314][ T10] __sys_sendmsg+0xcd/0x170 [ 439.016314][ T10] do_syscall_64+0xc6/0x1e0 [ 439.016314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.016314][ T10] [ 439.017836][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 439.017836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.017836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.017836][ T10] ipv6_find_idev+0x102/0x170 [ 439.017836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.017836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.017836][ T10] netlink_rcv_skb+0x130/0x360 [ 439.017836][ T10] netlink_unicast+0x449/0x710 [ 439.017836][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.017836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.017836][ T10] ___sys_sendmsg+0xee/0x170 [ 439.017836][ T10] __sys_sendmsg+0xcd/0x170 [ 439.017836][ T10] do_syscall_64+0xc6/0x1e0 [ 439.017836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.017836][ T10] [ 439.019506][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 439.019787][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 439.019787][ T10] netdev_get_by_index+0x5e/0x80 [ 439.019787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.019787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.019787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.019787][ T10] ipv6_add_addr+0x411/0x2000 [ 439.019787][ T10] inet6_addr_add+0x30e/0xa40 [ 439.019787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.019787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.019787][ T10] netlink_rcv_skb+0x130/0x360 [ 439.019787][ T10] netlink_unicast+0x449/0x710 [ 439.019787][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.019787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.019787][ T10] ___sys_sendmsg+0xee/0x170 [ 439.019787][ T10] __sys_sendmsg+0xcd/0x170 [ 439.019787][ T10] do_syscall_64+0xc6/0x1e0 [ 439.019787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.019787][ T10] [ 439.021764][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 439.021764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.021764][ T10] ipv6_find_idev+0x102/0x170 [ 439.021764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.021764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.021764][ T10] netlink_rcv_skb+0x130/0x360 [ 439.021764][ T10] netlink_unicast+0x449/0x710 [ 439.021764][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.021764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.021764][ T10] ___sys_sendmsg+0xee/0x170 [ 439.021764][ T10] __sys_sendmsg+0xcd/0x170 [ 439.021764][ T10] do_syscall_64+0xc6/0x1e0 [ 439.021764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.021764][ T10] [ 439.023315][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 439.023315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.023315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.023315][ T10] ipv6_find_idev+0x102/0x170 [ 439.023315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.023315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.023315][ T10] netlink_rcv_skb+0x130/0x360 [ 439.023315][ T10] netlink_unicast+0x449/0x710 [ 439.023315][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.023315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.023315][ T10] ___sys_sendmsg+0xee/0x170 [ 439.023315][ T10] __sys_sendmsg+0xcd/0x170 [ 439.023315][ T10] do_syscall_64+0xc6/0x1e0 [ 439.023315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.023315][ T10] [ 439.025015][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 439.025278][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 439.025278][ T10] netdev_get_by_index+0x5e/0x80 [ 439.025278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.025278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.025278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.025278][ T10] ipv6_add_addr+0x411/0x2000 [ 439.025278][ T10] inet6_addr_add+0x30e/0xa40 [ 439.025278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.025278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.025278][ T10] netlink_rcv_skb+0x130/0x360 [ 439.025278][ T10] netlink_unicast+0x449/0x710 [ 439.025278][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.025278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.025278][ T10] ___sys_sendmsg+0xee/0x170 [ 439.025278][ T10] __sys_sendmsg+0xcd/0x170 [ 439.025278][ T10] do_syscall_64+0xc6/0x1e0 [ 439.025278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.025278][ T10] [ 439.027260][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 439.027260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.027260][ T10] ipv6_find_idev+0x102/0x170 [ 439.027260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.027260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.027260][ T10] netlink_rcv_skb+0x130/0x360 [ 439.027260][ T10] netlink_unicast+0x449/0x710 [ 439.027260][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.027260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.027260][ T10] ___sys_sendmsg+0xee/0x170 [ 439.027260][ T10] __sys_sendmsg+0xcd/0x170 [ 439.027260][ T10] do_syscall_64+0xc6/0x1e0 [ 439.027260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.027260][ T10] [ 439.028784][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 439.028784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.028784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.028784][ T10] ipv6_find_idev+0x102/0x170 [ 439.028784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.028784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.028784][ T10] netlink_rcv_skb+0x130/0x360 [ 439.028784][ T10] netlink_unicast+0x449/0x710 [ 439.028784][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.028784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.028784][ T10] ___sys_sendmsg+0xee/0x170 [ 439.028784][ T10] __sys_sendmsg+0xcd/0x170 [ 439.028784][ T10] do_syscall_64+0xc6/0x1e0 [ 439.028784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.028784][ T10] [ 439.030477][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 439.030741][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 439.030741][ T10] netdev_get_by_index+0x5e/0x80 [ 439.030741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.030741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.030741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.030741][ T10] ipv6_add_addr+0x411/0x2000 [ 439.030741][ T10] inet6_addr_add+0x30e/0xa40 [ 439.030741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.030741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.030741][ T10] netlink_rcv_skb+0x130/0x360 [ 439.030741][ T10] netlink_unicast+0x449/0x710 [ 439.030741][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.030741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.030741][ T10] ___sys_sendmsg+0xee/0x170 [ 439.030741][ T10] __sys_sendmsg+0xcd/0x170 [ 439.030741][ T10] do_syscall_64+0xc6/0x1e0 [ 439.030741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.030741][ T10] [ 439.032718][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 439.032718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.032718][ T10] ipv6_find_idev+0x102/0x170 [ 439.032718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.032718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.032718][ T10] netlink_rcv_skb+0x130/0x360 [ 439.032718][ T10] netlink_unicast+0x449/0x710 [ 439.032718][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.032718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.032718][ T10] ___sys_sendmsg+0xee/0x170 [ 439.032718][ T10] __sys_sendmsg+0xcd/0x170 [ 439.032718][ T10] do_syscall_64+0xc6/0x1e0 [ 439.032718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.032718][ T10] [ 439.034240][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 439.034240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.034240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.034240][ T10] ipv6_find_idev+0x102/0x170 [ 439.034240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.034240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.034240][ T10] netlink_rcv_skb+0x130/0x360 [ 439.034240][ T10] netlink_unicast+0x449/0x710 [ 439.034240][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.034240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.034240][ T10] ___sys_sendmsg+0xee/0x170 [ 439.034240][ T10] __sys_sendmsg+0xcd/0x170 [ 439.034240][ T10] do_syscall_64+0xc6/0x1e0 [ 439.034240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.034240][ T10] [ 439.036301][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 439.036566][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 439.036566][ T10] netdev_get_by_index+0x5e/0x80 [ 439.036566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.036566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.036566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.036566][ T10] ipv6_add_addr+0x411/0x2000 [ 439.036566][ T10] inet6_addr_add+0x30e/0xa40 [ 439.036566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.036566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.036566][ T10] netlink_rcv_skb+0x130/0x360 [ 439.036566][ T10] netlink_unicast+0x449/0x710 [ 439.036566][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.036566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.036566][ T10] ___sys_sendmsg+0xee/0x170 [ 439.036566][ T10] __sys_sendmsg+0xcd/0x170 [ 439.036566][ T10] do_syscall_64+0xc6/0x1e0 [ 439.036566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.036566][ T10] [ 439.038529][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 439.038529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.038529][ T10] ipv6_find_idev+0x102/0x170 [ 439.038529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.038529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.038529][ T10] netlink_rcv_skb+0x130/0x360 [ 439.038529][ T10] netlink_unicast+0x449/0x710 [ 439.038529][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.038529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.038529][ T10] ___sys_sendmsg+0xee/0x170 [ 439.038529][ T10] __sys_sendmsg+0xcd/0x170 [ 439.038529][ T10] do_syscall_64+0xc6/0x1e0 [ 439.038529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.038529][ T10] [ 439.040051][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 439.040051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.040051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.040051][ T10] ipv6_find_idev+0x102/0x170 [ 439.040051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.040051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.040051][ T10] netlink_rcv_skb+0x130/0x360 [ 439.040051][ T10] netlink_unicast+0x449/0x710 [ 439.040051][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.040051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.040051][ T10] ___sys_sendmsg+0xee/0x170 [ 439.040051][ T10] __sys_sendmsg+0xcd/0x170 [ 439.040051][ T10] do_syscall_64+0xc6/0x1e0 [ 439.040051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.040051][ T10] [ 439.041758][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 439.042076][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 439.042076][ T10] netdev_get_by_index+0x5e/0x80 [ 439.042076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.042076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.042076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.042076][ T10] ipv6_add_addr+0x411/0x2000 [ 439.042076][ T10] inet6_addr_add+0x30e/0xa40 [ 439.042076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.042076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.042076][ T10] netlink_rcv_skb+0x130/0x360 [ 439.042076][ T10] netlink_unicast+0x449/0x710 [ 439.042076][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.042076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.042076][ T10] ___sys_sendmsg+0xee/0x170 [ 439.042076][ T10] __sys_sendmsg+0xcd/0x170 [ 439.042076][ T10] do_syscall_64+0xc6/0x1e0 [ 439.042076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.042076][ T10] [ 439.044176][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 439.044176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.044176][ T10] ipv6_find_idev+0x102/0x170 [ 439.044176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.044176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.044176][ T10] netlink_rcv_skb+0x130/0x360 [ 439.044176][ T10] netlink_unicast+0x449/0x710 [ 439.044176][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.044176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.044176][ T10] ___sys_sendmsg+0xee/0x170 [ 439.044176][ T10] __sys_sendmsg+0xcd/0x170 [ 439.044176][ T10] do_syscall_64+0xc6/0x1e0 [ 439.044176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.044176][ T10] [ 439.045815][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 439.045815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.045815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.045815][ T10] ipv6_find_idev+0x102/0x170 [ 439.045815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.045815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.045815][ T10] netlink_rcv_skb+0x130/0x360 [ 439.045815][ T10] netlink_unicast+0x449/0x710 [ 439.045815][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.045815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.045815][ T10] ___sys_sendmsg+0xee/0x170 [ 439.045815][ T10] __sys_sendmsg+0xcd/0x170 [ 439.045815][ T10] do_syscall_64+0xc6/0x1e0 [ 439.045815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.045815][ T10] [ 439.047836][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 439.048095][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 439.048095][ T10] netdev_get_by_index+0x5e/0x80 [ 439.048095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.048095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.048095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.048095][ T10] ipv6_add_addr+0x411/0x2000 [ 439.048095][ T10] inet6_addr_add+0x30e/0xa40 [ 439.048095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.048095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.048095][ T10] netlink_rcv_skb+0x130/0x360 [ 439.048095][ T10] netlink_unicast+0x449/0x710 [ 439.048095][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.048095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.048095][ T10] ___sys_sendmsg+0xee/0x170 [ 439.048095][ T10] __sys_sendmsg+0xcd/0x170 [ 439.048095][ T10] do_syscall_64+0xc6/0x1e0 [ 439.048095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.048095][ T10] [ 439.050276][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 439.050276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.050276][ T10] ipv6_find_idev+0x102/0x170 [ 439.050276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.050276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.050276][ T10] netlink_rcv_skb+0x130/0x360 [ 439.050276][ T10] netlink_unicast+0x449/0x710 [ 439.050276][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.050276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.050276][ T10] ___sys_sendmsg+0xee/0x170 [ 439.050276][ T10] __sys_sendmsg+0xcd/0x170 [ 439.050276][ T10] do_syscall_64+0xc6/0x1e0 [ 439.050276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.050276][ T10] [ 439.051981][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 439.051981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.051981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.051981][ T10] ipv6_find_idev+0x102/0x170 [ 439.051981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.051981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.051981][ T10] netlink_rcv_skb+0x130/0x360 [ 439.051981][ T10] netlink_unicast+0x449/0x710 [ 439.051981][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.051981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.051981][ T10] ___sys_sendmsg+0xee/0x170 [ 439.051981][ T10] __sys_sendmsg+0xcd/0x170 [ 439.051981][ T10] do_syscall_64+0xc6/0x1e0 [ 439.051981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.051981][ T10] [ 439.053927][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 439.054189][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 439.054189][ T10] netdev_get_by_index+0x5e/0x80 [ 439.054189][ T10] fib6_nh_init+0x3d8/0x15b0 [ 439.054189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.054189][ T10] addrconf_f6i_alloc+0x244/0x410 [ 439.054189][ T10] ipv6_add_addr+0x411/0x2000 [ 439.054189][ T10] inet6_addr_add+0x30e/0xa40 [ 439.054189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.054189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.054189][ T10] netlink_rcv_skb+0x130/0x360 [ 439.054189][ T10] netlink_unicast+0x449/0x710 [ 439.054189][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.054189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.054189][ T10] ___sys_sendmsg+0xee/0x170 [ 439.054189][ T10] __sys_sendmsg+0xcd/0x170 [ 439.054189][ T10] do_syscall_64+0xc6/0x1e0 [ 439.054189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.054189][ T10] [ 439.056409][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 439.056409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.056409][ T10] ipv6_find_idev+0x102/0x170 [ 439.056409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.056409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.056409][ T10] netlink_rcv_skb+0x130/0x360 [ 439.056409][ T10] netlink_unicast+0x449/0x710 [ 439.056409][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.056409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.056409][ T10] ___sys_sendmsg+0xee/0x170 [ 439.056409][ T10] __sys_sendmsg+0xcd/0x170 [ 439.056409][ T10] do_syscall_64+0xc6/0x1e0 [ 439.056409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.056409][ T10] [ 439.058111][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 439.058111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.058111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.058111][ T10] ipv6_find_idev+0x102/0x170 [ 439.058111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.058111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.058111][ T10] netlink_rcv_skb+0x130/0x360 [ 439.058111][ T10] netlink_unicast+0x449/0x710 [ 439.058111][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.058111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.058111][ T10] ___sys_sendmsg+0xee/0x170 [ 439.058111][ T10] __sys_sendmsg+0xcd/0x170 [ 439.058111][ T10] do_syscall_64+0xc6/0x1e0 [ 439.058111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.058111][ T10] [ 449.093903][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 449.094420][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 449.094420][ T10] netdev_get_by_index+0x5e/0x80 [ 449.094420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.094420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.094420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.094420][ T10] ipv6_add_addr+0x411/0x2000 [ 449.094420][ T10] inet6_addr_add+0x30e/0xa40 [ 449.094420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.094420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.094420][ T10] netlink_rcv_skb+0x130/0x360 [ 449.094420][ T10] netlink_unicast+0x449/0x710 [ 449.094420][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.094420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.094420][ T10] ___sys_sendmsg+0xee/0x170 [ 449.094420][ T10] __sys_sendmsg+0xcd/0x170 [ 449.094420][ T10] do_syscall_64+0xc6/0x1e0 [ 449.094420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.094420][ T10] [ 449.096455][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 449.096455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.096455][ T10] ipv6_find_idev+0x102/0x170 [ 449.096455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.096455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.096455][ T10] netlink_rcv_skb+0x130/0x360 [ 449.096455][ T10] netlink_unicast+0x449/0x710 [ 449.096455][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.096455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.096455][ T10] ___sys_sendmsg+0xee/0x170 [ 449.096455][ T10] __sys_sendmsg+0xcd/0x170 [ 449.096455][ T10] do_syscall_64+0xc6/0x1e0 [ 449.096455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.096455][ T10] [ 449.098016][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 449.098016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.098016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.098016][ T10] ipv6_find_idev+0x102/0x170 [ 449.098016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.098016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.098016][ T10] netlink_rcv_skb+0x130/0x360 [ 449.098016][ T10] netlink_unicast+0x449/0x710 [ 449.098016][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.098016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.098016][ T10] ___sys_sendmsg+0xee/0x170 [ 449.098016][ T10] __sys_sendmsg+0xcd/0x170 [ 449.098016][ T10] do_syscall_64+0xc6/0x1e0 [ 449.098016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.098016][ T10] [ 449.099747][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 449.100039][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 449.100039][ T10] netdev_get_by_index+0x5e/0x80 [ 449.100039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.100039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.100039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.100039][ T10] ipv6_add_addr+0x411/0x2000 [ 449.100039][ T10] inet6_addr_add+0x30e/0xa40 [ 449.100039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.100039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.100039][ T10] netlink_rcv_skb+0x130/0x360 [ 449.100039][ T10] netlink_unicast+0x449/0x710 [ 449.100039][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.100039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.100039][ T10] ___sys_sendmsg+0xee/0x170 [ 449.100039][ T10] __sys_sendmsg+0xcd/0x170 [ 449.100039][ T10] do_syscall_64+0xc6/0x1e0 [ 449.100039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.100039][ T10] [ 449.102052][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 449.102052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.102052][ T10] ipv6_find_idev+0x102/0x170 [ 449.102052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.102052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.102052][ T10] netlink_rcv_skb+0x130/0x360 [ 449.102052][ T10] netlink_unicast+0x449/0x710 [ 449.102052][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.102052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.102052][ T10] ___sys_sendmsg+0xee/0x170 [ 449.102052][ T10] __sys_sendmsg+0xcd/0x170 [ 449.102052][ T10] do_syscall_64+0xc6/0x1e0 [ 449.102052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.102052][ T10] [ 449.103636][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 449.103636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.103636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.103636][ T10] ipv6_find_idev+0x102/0x170 [ 449.103636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.103636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.103636][ T10] netlink_rcv_skb+0x130/0x360 [ 449.103636][ T10] netlink_unicast+0x449/0x710 [ 449.103636][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.103636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.103636][ T10] ___sys_sendmsg+0xee/0x170 [ 449.103636][ T10] __sys_sendmsg+0xcd/0x170 [ 449.103636][ T10] do_syscall_64+0xc6/0x1e0 [ 449.103636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.103636][ T10] [ 449.105383][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 449.105670][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 449.105670][ T10] netdev_get_by_index+0x5e/0x80 [ 449.105670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.105670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.105670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.105670][ T10] ipv6_add_addr+0x411/0x2000 [ 449.105670][ T10] inet6_addr_add+0x30e/0xa40 [ 449.105670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.105670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.105670][ T10] netlink_rcv_skb+0x130/0x360 [ 449.105670][ T10] netlink_unicast+0x449/0x710 [ 449.105670][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.105670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.105670][ T10] ___sys_sendmsg+0xee/0x170 [ 449.105670][ T10] __sys_sendmsg+0xcd/0x170 [ 449.105670][ T10] do_syscall_64+0xc6/0x1e0 [ 449.105670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.105670][ T10] [ 449.107681][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 449.107681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.107681][ T10] ipv6_find_idev+0x102/0x170 [ 449.107681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.107681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.107681][ T10] netlink_rcv_skb+0x130/0x360 [ 449.107681][ T10] netlink_unicast+0x449/0x710 [ 449.107681][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.107681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.107681][ T10] ___sys_sendmsg+0xee/0x170 [ 449.107681][ T10] __sys_sendmsg+0xcd/0x170 [ 449.107681][ T10] do_syscall_64+0xc6/0x1e0 [ 449.107681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.107681][ T10] [ 449.109225][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 449.109225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.109225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.109225][ T10] ipv6_find_idev+0x102/0x170 [ 449.109225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.109225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.109225][ T10] netlink_rcv_skb+0x130/0x360 [ 449.109225][ T10] netlink_unicast+0x449/0x710 [ 449.109225][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.109225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.109225][ T10] ___sys_sendmsg+0xee/0x170 [ 449.109225][ T10] __sys_sendmsg+0xcd/0x170 [ 449.109225][ T10] do_syscall_64+0xc6/0x1e0 [ 449.109225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.109225][ T10] [ 449.110927][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 449.111220][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 449.111220][ T10] netdev_get_by_index+0x5e/0x80 [ 449.111220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.111220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.111220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.111220][ T10] ipv6_add_addr+0x411/0x2000 [ 449.111220][ T10] inet6_addr_add+0x30e/0xa40 [ 449.111220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.111220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.111220][ T10] netlink_rcv_skb+0x130/0x360 [ 449.111220][ T10] netlink_unicast+0x449/0x710 [ 449.111220][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.111220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.111220][ T10] ___sys_sendmsg+0xee/0x170 [ 449.111220][ T10] __sys_sendmsg+0xcd/0x170 [ 449.111220][ T10] do_syscall_64+0xc6/0x1e0 [ 449.111220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.111220][ T10] [ 449.113230][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 449.113230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.113230][ T10] ipv6_find_idev+0x102/0x170 [ 449.113230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.113230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.113230][ T10] netlink_rcv_skb+0x130/0x360 [ 449.113230][ T10] netlink_unicast+0x449/0x710 [ 449.113230][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.113230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.113230][ T10] ___sys_sendmsg+0xee/0x170 [ 449.113230][ T10] __sys_sendmsg+0xcd/0x170 [ 449.113230][ T10] do_syscall_64+0xc6/0x1e0 [ 449.113230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.113230][ T10] [ 449.114777][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 449.114777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.114777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.114777][ T10] ipv6_find_idev+0x102/0x170 [ 449.114777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.114777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.114777][ T10] netlink_rcv_skb+0x130/0x360 [ 449.114777][ T10] netlink_unicast+0x449/0x710 [ 449.114777][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.114777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.114777][ T10] ___sys_sendmsg+0xee/0x170 [ 449.114777][ T10] __sys_sendmsg+0xcd/0x170 [ 449.114777][ T10] do_syscall_64+0xc6/0x1e0 [ 449.114777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.114777][ T10] [ 449.116884][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 449.117152][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 449.117152][ T10] netdev_get_by_index+0x5e/0x80 [ 449.117152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.117152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.117152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.117152][ T10] ipv6_add_addr+0x411/0x2000 [ 449.117152][ T10] inet6_addr_add+0x30e/0xa40 [ 449.117152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.117152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.117152][ T10] netlink_rcv_skb+0x130/0x360 [ 449.117152][ T10] netlink_unicast+0x449/0x710 [ 449.117152][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.117152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.117152][ T10] ___sys_sendmsg+0xee/0x170 [ 449.117152][ T10] __sys_sendmsg+0xcd/0x170 [ 449.117152][ T10] do_syscall_64+0xc6/0x1e0 [ 449.117152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.117152][ T10] [ 449.119186][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 449.119186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.119186][ T10] ipv6_find_idev+0x102/0x170 [ 449.119186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.119186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.119186][ T10] netlink_rcv_skb+0x130/0x360 [ 449.119186][ T10] netlink_unicast+0x449/0x710 [ 449.119186][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.119186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.119186][ T10] ___sys_sendmsg+0xee/0x170 [ 449.119186][ T10] __sys_sendmsg+0xcd/0x170 [ 449.119186][ T10] do_syscall_64+0xc6/0x1e0 [ 449.119186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.119186][ T10] [ 449.120747][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 449.120747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.120747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.120747][ T10] ipv6_find_idev+0x102/0x170 [ 449.120747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.120747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.120747][ T10] netlink_rcv_skb+0x130/0x360 [ 449.120747][ T10] netlink_unicast+0x449/0x710 [ 449.120747][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.120747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.120747][ T10] ___sys_sendmsg+0xee/0x170 [ 449.120747][ T10] __sys_sendmsg+0xcd/0x170 [ 449.120747][ T10] do_syscall_64+0xc6/0x1e0 [ 449.120747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.120747][ T10] [ 449.123064][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 449.123378][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 449.123378][ T10] netdev_get_by_index+0x5e/0x80 [ 449.123378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.123378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.123378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.123378][ T10] ipv6_add_addr+0x411/0x2000 [ 449.123378][ T10] inet6_addr_add+0x30e/0xa40 [ 449.123378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.123378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.123378][ T10] netlink_rcv_skb+0x130/0x360 [ 449.123378][ T10] netlink_unicast+0x449/0x710 [ 449.123378][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.123378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.123378][ T10] ___sys_sendmsg+0xee/0x170 [ 449.123378][ T10] __sys_sendmsg+0xcd/0x170 [ 449.123378][ T10] do_syscall_64+0xc6/0x1e0 [ 449.123378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.123378][ T10] [ 449.125935][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 449.125935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.125935][ T10] ipv6_find_idev+0x102/0x170 [ 449.125935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.125935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.125935][ T10] netlink_rcv_skb+0x130/0x360 [ 449.125935][ T10] netlink_unicast+0x449/0x710 [ 449.125935][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.125935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.125935][ T10] ___sys_sendmsg+0xee/0x170 [ 449.125935][ T10] __sys_sendmsg+0xcd/0x170 [ 449.125935][ T10] do_syscall_64+0xc6/0x1e0 [ 449.125935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.125935][ T10] [ 449.128208][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 449.128208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.128208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.128208][ T10] ipv6_find_idev+0x102/0x170 [ 449.128208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.128208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.128208][ T10] netlink_rcv_skb+0x130/0x360 [ 449.128208][ T10] netlink_unicast+0x449/0x710 [ 449.128208][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.128208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.128208][ T10] ___sys_sendmsg+0xee/0x170 [ 449.128208][ T10] __sys_sendmsg+0xcd/0x170 [ 449.128208][ T10] do_syscall_64+0xc6/0x1e0 [ 449.128208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.128208][ T10] [ 449.130852][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 449.131229][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 449.131229][ T10] netdev_get_by_index+0x5e/0x80 [ 449.131229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.131229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.131229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.131229][ T10] ipv6_add_addr+0x411/0x2000 [ 449.131229][ T10] inet6_addr_add+0x30e/0xa40 [ 449.131229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.131229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.131229][ T10] netlink_rcv_skb+0x130/0x360 [ 449.131229][ T10] netlink_unicast+0x449/0x710 [ 449.131229][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.131229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.131229][ T10] ___sys_sendmsg+0xee/0x170 [ 449.131229][ T10] __sys_sendmsg+0xcd/0x170 [ 449.131229][ T10] do_syscall_64+0xc6/0x1e0 [ 449.131229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.131229][ T10] [ 449.134298][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 449.134298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.134298][ T10] ipv6_find_idev+0x102/0x170 [ 449.134298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.134298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.134298][ T10] netlink_rcv_skb+0x130/0x360 [ 449.134298][ T10] netlink_unicast+0x449/0x710 [ 449.134298][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.134298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.134298][ T10] ___sys_sendmsg+0xee/0x170 [ 449.134298][ T10] __sys_sendmsg+0xcd/0x170 [ 449.134298][ T10] do_syscall_64+0xc6/0x1e0 [ 449.134298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.134298][ T10] [ 449.136597][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 449.136597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.136597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.136597][ T10] ipv6_find_idev+0x102/0x170 [ 449.136597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.136597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.136597][ T10] netlink_rcv_skb+0x130/0x360 [ 449.136597][ T10] netlink_unicast+0x449/0x710 [ 449.136597][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.136597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.136597][ T10] ___sys_sendmsg+0xee/0x170 [ 449.136597][ T10] __sys_sendmsg+0xcd/0x170 [ 449.136597][ T10] do_syscall_64+0xc6/0x1e0 [ 449.136597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.136597][ T10] [ 449.139213][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 449.139593][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 449.139593][ T10] netdev_get_by_index+0x5e/0x80 [ 449.139593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 449.139593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.139593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 449.139593][ T10] ipv6_add_addr+0x411/0x2000 [ 449.139593][ T10] inet6_addr_add+0x30e/0xa40 [ 449.139593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.139593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.139593][ T10] netlink_rcv_skb+0x130/0x360 [ 449.139593][ T10] netlink_unicast+0x449/0x710 [ 449.139593][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.139593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.139593][ T10] ___sys_sendmsg+0xee/0x170 [ 449.139593][ T10] __sys_sendmsg+0xcd/0x170 [ 449.139593][ T10] do_syscall_64+0xc6/0x1e0 [ 449.139593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.139593][ T10] [ 449.141985][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 449.141985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.141985][ T10] ipv6_find_idev+0x102/0x170 [ 449.141985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.141985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.141985][ T10] netlink_rcv_skb+0x130/0x360 [ 449.141985][ T10] netlink_unicast+0x449/0x710 [ 449.141985][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.141985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.141985][ T10] ___sys_sendmsg+0xee/0x170 [ 449.141985][ T10] __sys_sendmsg+0xcd/0x170 [ 449.141985][ T10] do_syscall_64+0xc6/0x1e0 [ 449.141985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.141985][ T10] [ 449.143599][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 449.143599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.143599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.143599][ T10] ipv6_find_idev+0x102/0x170 [ 449.143599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.143599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.143599][ T10] netlink_rcv_skb+0x130/0x360 [ 449.143599][ T10] netlink_unicast+0x449/0x710 [ 449.143599][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.143599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.143599][ T10] ___sys_sendmsg+0xee/0x170 [ 449.143599][ T10] __sys_sendmsg+0xcd/0x170 [ 449.143599][ T10] do_syscall_64+0xc6/0x1e0 [ 449.143599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.143599][ T10] [ 459.397823][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 459.398335][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 459.398335][ T10] netdev_get_by_index+0x5e/0x80 [ 459.398335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.398335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.398335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.398335][ T10] ipv6_add_addr+0x411/0x2000 [ 459.398335][ T10] inet6_addr_add+0x30e/0xa40 [ 459.398335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.398335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.398335][ T10] netlink_rcv_skb+0x130/0x360 [ 459.398335][ T10] netlink_unicast+0x449/0x710 [ 459.398335][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.398335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.398335][ T10] ___sys_sendmsg+0xee/0x170 [ 459.398335][ T10] __sys_sendmsg+0xcd/0x170 [ 459.398335][ T10] do_syscall_64+0xc6/0x1e0 [ 459.398335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.398335][ T10] [ 459.400621][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 459.400621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.400621][ T10] ipv6_find_idev+0x102/0x170 [ 459.400621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.400621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.400621][ T10] netlink_rcv_skb+0x130/0x360 [ 459.400621][ T10] netlink_unicast+0x449/0x710 [ 459.400621][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.400621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.400621][ T10] ___sys_sendmsg+0xee/0x170 [ 459.400621][ T10] __sys_sendmsg+0xcd/0x170 [ 459.400621][ T10] do_syscall_64+0xc6/0x1e0 [ 459.400621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.400621][ T10] [ 459.402357][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 459.402357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.402357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.402357][ T10] ipv6_find_idev+0x102/0x170 [ 459.402357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.402357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.402357][ T10] netlink_rcv_skb+0x130/0x360 [ 459.402357][ T10] netlink_unicast+0x449/0x710 [ 459.402357][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.402357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.402357][ T10] ___sys_sendmsg+0xee/0x170 [ 459.402357][ T10] __sys_sendmsg+0xcd/0x170 [ 459.402357][ T10] do_syscall_64+0xc6/0x1e0 [ 459.402357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.402357][ T10] [ 459.404275][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 459.404582][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 459.404582][ T10] netdev_get_by_index+0x5e/0x80 [ 459.404582][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.404582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.404582][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.404582][ T10] ipv6_add_addr+0x411/0x2000 [ 459.404582][ T10] inet6_addr_add+0x30e/0xa40 [ 459.404582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.404582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.404582][ T10] netlink_rcv_skb+0x130/0x360 [ 459.404582][ T10] netlink_unicast+0x449/0x710 [ 459.404582][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.404582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.404582][ T10] ___sys_sendmsg+0xee/0x170 [ 459.404582][ T10] __sys_sendmsg+0xcd/0x170 [ 459.404582][ T10] do_syscall_64+0xc6/0x1e0 [ 459.404582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.404582][ T10] [ 459.406825][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 459.406825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.406825][ T10] ipv6_find_idev+0x102/0x170 [ 459.406825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.406825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.406825][ T10] netlink_rcv_skb+0x130/0x360 [ 459.406825][ T10] netlink_unicast+0x449/0x710 [ 459.406825][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.406825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.406825][ T10] ___sys_sendmsg+0xee/0x170 [ 459.406825][ T10] __sys_sendmsg+0xcd/0x170 [ 459.406825][ T10] do_syscall_64+0xc6/0x1e0 [ 459.406825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.406825][ T10] [ 459.408559][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 459.408559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.408559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.408559][ T10] ipv6_find_idev+0x102/0x170 [ 459.408559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.408559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.408559][ T10] netlink_rcv_skb+0x130/0x360 [ 459.408559][ T10] netlink_unicast+0x449/0x710 [ 459.408559][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.408559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.408559][ T10] ___sys_sendmsg+0xee/0x170 [ 459.408559][ T10] __sys_sendmsg+0xcd/0x170 [ 459.408559][ T10] do_syscall_64+0xc6/0x1e0 [ 459.408559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.408559][ T10] [ 459.410505][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 459.410810][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 459.410810][ T10] netdev_get_by_index+0x5e/0x80 [ 459.410810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.410810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.410810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.410810][ T10] ipv6_add_addr+0x411/0x2000 [ 459.410810][ T10] inet6_addr_add+0x30e/0xa40 [ 459.410810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.410810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.410810][ T10] netlink_rcv_skb+0x130/0x360 [ 459.410810][ T10] netlink_unicast+0x449/0x710 [ 459.410810][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.410810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.410810][ T10] ___sys_sendmsg+0xee/0x170 [ 459.410810][ T10] __sys_sendmsg+0xcd/0x170 [ 459.410810][ T10] do_syscall_64+0xc6/0x1e0 [ 459.410810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.410810][ T10] [ 459.413056][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 459.413056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.413056][ T10] ipv6_find_idev+0x102/0x170 [ 459.413056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.413056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.413056][ T10] netlink_rcv_skb+0x130/0x360 [ 459.413056][ T10] netlink_unicast+0x449/0x710 [ 459.413056][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.413056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.413056][ T10] ___sys_sendmsg+0xee/0x170 [ 459.413056][ T10] __sys_sendmsg+0xcd/0x170 [ 459.413056][ T10] do_syscall_64+0xc6/0x1e0 [ 459.413056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.413056][ T10] [ 459.414942][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 459.414942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.414942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.414942][ T10] ipv6_find_idev+0x102/0x170 [ 459.414942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.414942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.414942][ T10] netlink_rcv_skb+0x130/0x360 [ 459.414942][ T10] netlink_unicast+0x449/0x710 [ 459.414942][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.414942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.414942][ T10] ___sys_sendmsg+0xee/0x170 [ 459.414942][ T10] __sys_sendmsg+0xcd/0x170 [ 459.414942][ T10] do_syscall_64+0xc6/0x1e0 [ 459.414942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.414942][ T10] [ 459.416824][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 459.417095][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 459.417095][ T10] netdev_get_by_index+0x5e/0x80 [ 459.417095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.417095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.417095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.417095][ T10] ipv6_add_addr+0x411/0x2000 [ 459.417095][ T10] inet6_addr_add+0x30e/0xa40 [ 459.417095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.417095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.417095][ T10] netlink_rcv_skb+0x130/0x360 [ 459.417095][ T10] netlink_unicast+0x449/0x710 [ 459.417095][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.417095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.417095][ T10] ___sys_sendmsg+0xee/0x170 [ 459.417095][ T10] __sys_sendmsg+0xcd/0x170 [ 459.417095][ T10] do_syscall_64+0xc6/0x1e0 [ 459.417095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.417095][ T10] [ 459.419112][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 459.419112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.419112][ T10] ipv6_find_idev+0x102/0x170 [ 459.419112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.419112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.419112][ T10] netlink_rcv_skb+0x130/0x360 [ 459.419112][ T10] netlink_unicast+0x449/0x710 [ 459.419112][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.419112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.419112][ T10] ___sys_sendmsg+0xee/0x170 [ 459.419112][ T10] __sys_sendmsg+0xcd/0x170 [ 459.419112][ T10] do_syscall_64+0xc6/0x1e0 [ 459.419112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.419112][ T10] [ 459.420675][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 459.420675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.420675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.420675][ T10] ipv6_find_idev+0x102/0x170 [ 459.420675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.420675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.420675][ T10] netlink_rcv_skb+0x130/0x360 [ 459.420675][ T10] netlink_unicast+0x449/0x710 [ 459.420675][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.420675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.420675][ T10] ___sys_sendmsg+0xee/0x170 [ 459.420675][ T10] __sys_sendmsg+0xcd/0x170 [ 459.420675][ T10] do_syscall_64+0xc6/0x1e0 [ 459.420675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.420675][ T10] [ 459.422805][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 459.423126][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 459.423126][ T10] netdev_get_by_index+0x5e/0x80 [ 459.423126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.423126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.423126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.423126][ T10] ipv6_add_addr+0x411/0x2000 [ 459.423126][ T10] inet6_addr_add+0x30e/0xa40 [ 459.423126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.423126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.423126][ T10] netlink_rcv_skb+0x130/0x360 [ 459.423126][ T10] netlink_unicast+0x449/0x710 [ 459.423126][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.423126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.423126][ T10] ___sys_sendmsg+0xee/0x170 [ 459.423126][ T10] __sys_sendmsg+0xcd/0x170 [ 459.423126][ T10] do_syscall_64+0xc6/0x1e0 [ 459.423126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.423126][ T10] [ 459.425145][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 459.425145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.425145][ T10] ipv6_find_idev+0x102/0x170 [ 459.425145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.425145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.425145][ T10] netlink_rcv_skb+0x130/0x360 [ 459.425145][ T10] netlink_unicast+0x449/0x710 [ 459.425145][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.425145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.425145][ T10] ___sys_sendmsg+0xee/0x170 [ 459.425145][ T10] __sys_sendmsg+0xcd/0x170 [ 459.425145][ T10] do_syscall_64+0xc6/0x1e0 [ 459.425145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.425145][ T10] [ 459.426691][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 459.426691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.426691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.426691][ T10] ipv6_find_idev+0x102/0x170 [ 459.426691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.426691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.426691][ T10] netlink_rcv_skb+0x130/0x360 [ 459.426691][ T10] netlink_unicast+0x449/0x710 [ 459.426691][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.426691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.426691][ T10] ___sys_sendmsg+0xee/0x170 [ 459.426691][ T10] __sys_sendmsg+0xcd/0x170 [ 459.426691][ T10] do_syscall_64+0xc6/0x1e0 [ 459.426691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.426691][ T10] [ 459.428431][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 459.428742][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 459.428742][ T10] netdev_get_by_index+0x5e/0x80 [ 459.428742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.428742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.428742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.428742][ T10] ipv6_add_addr+0x411/0x2000 [ 459.428742][ T10] inet6_addr_add+0x30e/0xa40 [ 459.428742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.428742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.428742][ T10] netlink_rcv_skb+0x130/0x360 [ 459.428742][ T10] netlink_unicast+0x449/0x710 [ 459.428742][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.428742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.428742][ T10] ___sys_sendmsg+0xee/0x170 [ 459.428742][ T10] __sys_sendmsg+0xcd/0x170 [ 459.428742][ T10] do_syscall_64+0xc6/0x1e0 [ 459.428742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.428742][ T10] [ 459.430833][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 459.430833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.430833][ T10] ipv6_find_idev+0x102/0x170 [ 459.430833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.430833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.430833][ T10] netlink_rcv_skb+0x130/0x360 [ 459.430833][ T10] netlink_unicast+0x449/0x710 [ 459.430833][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.430833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.430833][ T10] ___sys_sendmsg+0xee/0x170 [ 459.430833][ T10] __sys_sendmsg+0xcd/0x170 [ 459.430833][ T10] do_syscall_64+0xc6/0x1e0 [ 459.430833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.430833][ T10] [ 459.432437][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 459.432437][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.432437][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.432437][ T10] ipv6_find_idev+0x102/0x170 [ 459.432437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.432437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.432437][ T10] netlink_rcv_skb+0x130/0x360 [ 459.432437][ T10] netlink_unicast+0x449/0x710 [ 459.432437][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.432437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.432437][ T10] ___sys_sendmsg+0xee/0x170 [ 459.432437][ T10] __sys_sendmsg+0xcd/0x170 [ 459.432437][ T10] do_syscall_64+0xc6/0x1e0 [ 459.432437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.432437][ T10] [ 459.434304][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 459.434617][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 459.434617][ T10] netdev_get_by_index+0x5e/0x80 [ 459.434617][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.434617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.434617][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.434617][ T10] ipv6_add_addr+0x411/0x2000 [ 459.434617][ T10] inet6_addr_add+0x30e/0xa40 [ 459.434617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.434617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.434617][ T10] netlink_rcv_skb+0x130/0x360 [ 459.434617][ T10] netlink_unicast+0x449/0x710 [ 459.434617][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.434617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.434617][ T10] ___sys_sendmsg+0xee/0x170 [ 459.434617][ T10] __sys_sendmsg+0xcd/0x170 [ 459.434617][ T10] do_syscall_64+0xc6/0x1e0 [ 459.434617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.434617][ T10] [ 459.436728][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 459.436728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.436728][ T10] ipv6_find_idev+0x102/0x170 [ 459.436728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.436728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.436728][ T10] netlink_rcv_skb+0x130/0x360 [ 459.436728][ T10] netlink_unicast+0x449/0x710 [ 459.436728][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.436728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.436728][ T10] ___sys_sendmsg+0xee/0x170 [ 459.436728][ T10] __sys_sendmsg+0xcd/0x170 [ 459.436728][ T10] do_syscall_64+0xc6/0x1e0 [ 459.436728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.436728][ T10] [ 459.438405][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 459.438405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.438405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.438405][ T10] ipv6_find_idev+0x102/0x170 [ 459.438405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.438405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.438405][ T10] netlink_rcv_skb+0x130/0x360 [ 459.438405][ T10] netlink_unicast+0x449/0x710 [ 459.438405][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.438405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.438405][ T10] ___sys_sendmsg+0xee/0x170 [ 459.438405][ T10] __sys_sendmsg+0xcd/0x170 [ 459.438405][ T10] do_syscall_64+0xc6/0x1e0 [ 459.438405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.438405][ T10] [ 459.440378][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 459.440717][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 459.440717][ T10] netdev_get_by_index+0x5e/0x80 [ 459.440717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 459.440717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 459.440717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 459.440717][ T10] ipv6_add_addr+0x411/0x2000 [ 459.440717][ T10] inet6_addr_add+0x30e/0xa40 [ 459.440717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 459.440717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.440717][ T10] netlink_rcv_skb+0x130/0x360 [ 459.440717][ T10] netlink_unicast+0x449/0x710 [ 459.440717][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.440717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.440717][ T10] ___sys_sendmsg+0xee/0x170 [ 459.440717][ T10] __sys_sendmsg+0xcd/0x170 [ 459.440717][ T10] do_syscall_64+0xc6/0x1e0 [ 459.440717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.440717][ T10] [ 459.443086][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 459.443086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 459.443086][ T10] ipv6_find_idev+0x102/0x170 [ 459.443086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.443086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.443086][ T10] netlink_rcv_skb+0x130/0x360 [ 459.443086][ T10] netlink_unicast+0x449/0x710 [ 459.443086][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.443086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.443086][ T10] ___sys_sendmsg+0xee/0x170 [ 459.443086][ T10] __sys_sendmsg+0xcd/0x170 [ 459.443086][ T10] do_syscall_64+0xc6/0x1e0 [ 459.443086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.443086][ T10] [ 459.444890][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 459.444890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 459.444890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 459.444890][ T10] ipv6_find_idev+0x102/0x170 [ 459.444890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 459.444890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 459.444890][ T10] netlink_rcv_skb+0x130/0x360 [ 459.444890][ T10] netlink_unicast+0x449/0x710 [ 459.444890][ T10] netlink_sendmsg+0x723/0xbe0 [ 459.444890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 459.444890][ T10] ___sys_sendmsg+0xee/0x170 [ 459.444890][ T10] __sys_sendmsg+0xcd/0x170 [ 459.444890][ T10] do_syscall_64+0xc6/0x1e0 [ 459.444890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 459.444890][ T10] [ 469.701902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 469.702410][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 469.702410][ T10] netdev_get_by_index+0x5e/0x80 [ 469.702410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.702410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.702410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.702410][ T10] ipv6_add_addr+0x411/0x2000 [ 469.702410][ T10] inet6_addr_add+0x30e/0xa40 [ 469.702410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.702410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.702410][ T10] netlink_rcv_skb+0x130/0x360 [ 469.702410][ T10] netlink_unicast+0x449/0x710 [ 469.702410][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.702410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.702410][ T10] ___sys_sendmsg+0xee/0x170 [ 469.702410][ T10] __sys_sendmsg+0xcd/0x170 [ 469.702410][ T10] do_syscall_64+0xc6/0x1e0 [ 469.702410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.702410][ T10] [ 469.704927][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 469.704927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.704927][ T10] ipv6_find_idev+0x102/0x170 [ 469.704927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.704927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.704927][ T10] netlink_rcv_skb+0x130/0x360 [ 469.704927][ T10] netlink_unicast+0x449/0x710 [ 469.704927][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.704927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.704927][ T10] ___sys_sendmsg+0xee/0x170 [ 469.704927][ T10] __sys_sendmsg+0xcd/0x170 [ 469.704927][ T10] do_syscall_64+0xc6/0x1e0 [ 469.704927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.704927][ T10] [ 469.706842][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 469.706842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.706842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.706842][ T10] ipv6_find_idev+0x102/0x170 [ 469.706842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.706842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.706842][ T10] netlink_rcv_skb+0x130/0x360 [ 469.706842][ T10] netlink_unicast+0x449/0x710 [ 469.706842][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.706842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.706842][ T10] ___sys_sendmsg+0xee/0x170 [ 469.706842][ T10] __sys_sendmsg+0xcd/0x170 [ 469.706842][ T10] do_syscall_64+0xc6/0x1e0 [ 469.706842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.706842][ T10] [ 469.708935][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 469.709270][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 469.709270][ T10] netdev_get_by_index+0x5e/0x80 [ 469.709270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.709270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.709270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.709270][ T10] ipv6_add_addr+0x411/0x2000 [ 469.709270][ T10] inet6_addr_add+0x30e/0xa40 [ 469.709270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.709270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.709270][ T10] netlink_rcv_skb+0x130/0x360 [ 469.709270][ T10] netlink_unicast+0x449/0x710 [ 469.709270][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.709270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.709270][ T10] ___sys_sendmsg+0xee/0x170 [ 469.709270][ T10] __sys_sendmsg+0xcd/0x170 [ 469.709270][ T10] do_syscall_64+0xc6/0x1e0 [ 469.709270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.709270][ T10] [ 469.711768][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 469.711768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.711768][ T10] ipv6_find_idev+0x102/0x170 [ 469.711768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.711768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.711768][ T10] netlink_rcv_skb+0x130/0x360 [ 469.711768][ T10] netlink_unicast+0x449/0x710 [ 469.711768][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.711768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.711768][ T10] ___sys_sendmsg+0xee/0x170 [ 469.711768][ T10] __sys_sendmsg+0xcd/0x170 [ 469.711768][ T10] do_syscall_64+0xc6/0x1e0 [ 469.711768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.711768][ T10] [ 469.713664][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 469.713664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.713664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.713664][ T10] ipv6_find_idev+0x102/0x170 [ 469.713664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.713664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.713664][ T10] netlink_rcv_skb+0x130/0x360 [ 469.713664][ T10] netlink_unicast+0x449/0x710 [ 469.713664][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.713664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.713664][ T10] ___sys_sendmsg+0xee/0x170 [ 469.713664][ T10] __sys_sendmsg+0xcd/0x170 [ 469.713664][ T10] do_syscall_64+0xc6/0x1e0 [ 469.713664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.713664][ T10] [ 469.715737][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 469.716075][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 469.716075][ T10] netdev_get_by_index+0x5e/0x80 [ 469.716075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.716075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.716075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.716075][ T10] ipv6_add_addr+0x411/0x2000 [ 469.716075][ T10] inet6_addr_add+0x30e/0xa40 [ 469.716075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.716075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.716075][ T10] netlink_rcv_skb+0x130/0x360 [ 469.716075][ T10] netlink_unicast+0x449/0x710 [ 469.716075][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.716075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.716075][ T10] ___sys_sendmsg+0xee/0x170 [ 469.716075][ T10] __sys_sendmsg+0xcd/0x170 [ 469.716075][ T10] do_syscall_64+0xc6/0x1e0 [ 469.716075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.716075][ T10] [ 469.718539][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 469.718539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.718539][ T10] ipv6_find_idev+0x102/0x170 [ 469.718539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.718539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.718539][ T10] netlink_rcv_skb+0x130/0x360 [ 469.718539][ T10] netlink_unicast+0x449/0x710 [ 469.718539][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.718539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.718539][ T10] ___sys_sendmsg+0xee/0x170 [ 469.718539][ T10] __sys_sendmsg+0xcd/0x170 [ 469.718539][ T10] do_syscall_64+0xc6/0x1e0 [ 469.718539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.718539][ T10] [ 469.720448][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 469.720448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.720448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.720448][ T10] ipv6_find_idev+0x102/0x170 [ 469.720448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.720448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.720448][ T10] netlink_rcv_skb+0x130/0x360 [ 469.720448][ T10] netlink_unicast+0x449/0x710 [ 469.720448][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.720448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.720448][ T10] ___sys_sendmsg+0xee/0x170 [ 469.720448][ T10] __sys_sendmsg+0xcd/0x170 [ 469.720448][ T10] do_syscall_64+0xc6/0x1e0 [ 469.720448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.720448][ T10] [ 469.722542][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 469.723326][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 469.723326][ T10] netdev_get_by_index+0x5e/0x80 [ 469.723326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.723326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.723326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.723326][ T10] ipv6_add_addr+0x411/0x2000 [ 469.723326][ T10] inet6_addr_add+0x30e/0xa40 [ 469.723326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.723326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.723326][ T10] netlink_rcv_skb+0x130/0x360 [ 469.723326][ T10] netlink_unicast+0x449/0x710 [ 469.723326][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.723326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.723326][ T10] ___sys_sendmsg+0xee/0x170 [ 469.723326][ T10] __sys_sendmsg+0xcd/0x170 [ 469.723326][ T10] do_syscall_64+0xc6/0x1e0 [ 469.723326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.723326][ T10] [ 469.725778][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 469.725778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.725778][ T10] ipv6_find_idev+0x102/0x170 [ 469.725778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.725778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.725778][ T10] netlink_rcv_skb+0x130/0x360 [ 469.725778][ T10] netlink_unicast+0x449/0x710 [ 469.725778][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.725778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.725778][ T10] ___sys_sendmsg+0xee/0x170 [ 469.725778][ T10] __sys_sendmsg+0xcd/0x170 [ 469.725778][ T10] do_syscall_64+0xc6/0x1e0 [ 469.725778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.725778][ T10] [ 469.727668][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 469.727668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.727668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.727668][ T10] ipv6_find_idev+0x102/0x170 [ 469.727668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.727668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.727668][ T10] netlink_rcv_skb+0x130/0x360 [ 469.727668][ T10] netlink_unicast+0x449/0x710 [ 469.727668][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.727668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.727668][ T10] ___sys_sendmsg+0xee/0x170 [ 469.727668][ T10] __sys_sendmsg+0xcd/0x170 [ 469.727668][ T10] do_syscall_64+0xc6/0x1e0 [ 469.727668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.727668][ T10] [ 469.729805][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 469.730130][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 469.730130][ T10] netdev_get_by_index+0x5e/0x80 [ 469.730130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.730130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.730130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.730130][ T10] ipv6_add_addr+0x411/0x2000 [ 469.730130][ T10] inet6_addr_add+0x30e/0xa40 [ 469.730130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.730130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.730130][ T10] netlink_rcv_skb+0x130/0x360 [ 469.730130][ T10] netlink_unicast+0x449/0x710 [ 469.730130][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.730130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.730130][ T10] ___sys_sendmsg+0xee/0x170 [ 469.730130][ T10] __sys_sendmsg+0xcd/0x170 [ 469.730130][ T10] do_syscall_64+0xc6/0x1e0 [ 469.730130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.730130][ T10] [ 469.732609][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 469.732609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.732609][ T10] ipv6_find_idev+0x102/0x170 [ 469.732609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.732609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.732609][ T10] netlink_rcv_skb+0x130/0x360 [ 469.732609][ T10] netlink_unicast+0x449/0x710 [ 469.732609][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.732609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.732609][ T10] ___sys_sendmsg+0xee/0x170 [ 469.732609][ T10] __sys_sendmsg+0xcd/0x170 [ 469.732609][ T10] do_syscall_64+0xc6/0x1e0 [ 469.732609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.732609][ T10] [ 469.734504][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 469.734504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.734504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.734504][ T10] ipv6_find_idev+0x102/0x170 [ 469.734504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.734504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.734504][ T10] netlink_rcv_skb+0x130/0x360 [ 469.734504][ T10] netlink_unicast+0x449/0x710 [ 469.734504][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.734504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.734504][ T10] ___sys_sendmsg+0xee/0x170 [ 469.734504][ T10] __sys_sendmsg+0xcd/0x170 [ 469.734504][ T10] do_syscall_64+0xc6/0x1e0 [ 469.734504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.734504][ T10] [ 469.736602][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 469.736979][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 469.736979][ T10] netdev_get_by_index+0x5e/0x80 [ 469.736979][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.736979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.736979][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.736979][ T10] ipv6_add_addr+0x411/0x2000 [ 469.736979][ T10] inet6_addr_add+0x30e/0xa40 [ 469.736979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.736979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.736979][ T10] netlink_rcv_skb+0x130/0x360 [ 469.736979][ T10] netlink_unicast+0x449/0x710 [ 469.736979][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.736979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.736979][ T10] ___sys_sendmsg+0xee/0x170 [ 469.736979][ T10] __sys_sendmsg+0xcd/0x170 [ 469.736979][ T10] do_syscall_64+0xc6/0x1e0 [ 469.736979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.736979][ T10] [ 469.739583][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 469.739583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.739583][ T10] ipv6_find_idev+0x102/0x170 [ 469.739583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.739583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.739583][ T10] netlink_rcv_skb+0x130/0x360 [ 469.739583][ T10] netlink_unicast+0x449/0x710 [ 469.739583][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.739583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.739583][ T10] ___sys_sendmsg+0xee/0x170 [ 469.739583][ T10] __sys_sendmsg+0xcd/0x170 [ 469.739583][ T10] do_syscall_64+0xc6/0x1e0 [ 469.739583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.739583][ T10] [ 469.741660][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 469.741660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.741660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.741660][ T10] ipv6_find_idev+0x102/0x170 [ 469.741660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.741660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.741660][ T10] netlink_rcv_skb+0x130/0x360 [ 469.741660][ T10] netlink_unicast+0x449/0x710 [ 469.741660][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.741660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.741660][ T10] ___sys_sendmsg+0xee/0x170 [ 469.741660][ T10] __sys_sendmsg+0xcd/0x170 [ 469.741660][ T10] do_syscall_64+0xc6/0x1e0 [ 469.741660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.741660][ T10] [ 469.744013][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 469.744341][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 469.744341][ T10] netdev_get_by_index+0x5e/0x80 [ 469.744341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.744341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.744341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.744341][ T10] ipv6_add_addr+0x411/0x2000 [ 469.744341][ T10] inet6_addr_add+0x30e/0xa40 [ 469.744341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.744341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.744341][ T10] netlink_rcv_skb+0x130/0x360 [ 469.744341][ T10] netlink_unicast+0x449/0x710 [ 469.744341][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.744341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.744341][ T10] ___sys_sendmsg+0xee/0x170 [ 469.744341][ T10] __sys_sendmsg+0xcd/0x170 [ 469.744341][ T10] do_syscall_64+0xc6/0x1e0 [ 469.744341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.744341][ T10] [ 469.746976][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 469.746976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.746976][ T10] ipv6_find_idev+0x102/0x170 [ 469.746976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.746976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.746976][ T10] netlink_rcv_skb+0x130/0x360 [ 469.746976][ T10] netlink_unicast+0x449/0x710 [ 469.746976][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.746976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.746976][ T10] ___sys_sendmsg+0xee/0x170 [ 469.746976][ T10] __sys_sendmsg+0xcd/0x170 [ 469.746976][ T10] do_syscall_64+0xc6/0x1e0 [ 469.746976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.746976][ T10] [ 469.749052][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 469.749052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.749052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.749052][ T10] ipv6_find_idev+0x102/0x170 [ 469.749052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.749052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.749052][ T10] netlink_rcv_skb+0x130/0x360 [ 469.749052][ T10] netlink_unicast+0x449/0x710 [ 469.749052][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.749052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.749052][ T10] ___sys_sendmsg+0xee/0x170 [ 469.749052][ T10] __sys_sendmsg+0xcd/0x170 [ 469.749052][ T10] do_syscall_64+0xc6/0x1e0 [ 469.749052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.749052][ T10] [ 469.751422][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 469.751746][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 469.751746][ T10] netdev_get_by_index+0x5e/0x80 [ 469.751746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 469.751746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 469.751746][ T10] addrconf_f6i_alloc+0x244/0x410 [ 469.751746][ T10] ipv6_add_addr+0x411/0x2000 [ 469.751746][ T10] inet6_addr_add+0x30e/0xa40 [ 469.751746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 469.751746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.751746][ T10] netlink_rcv_skb+0x130/0x360 [ 469.751746][ T10] netlink_unicast+0x449/0x710 [ 469.751746][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.751746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.751746][ T10] ___sys_sendmsg+0xee/0x170 [ 469.751746][ T10] __sys_sendmsg+0xcd/0x170 [ 469.751746][ T10] do_syscall_64+0xc6/0x1e0 [ 469.751746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.751746][ T10] [ 469.754434][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 469.754434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 469.754434][ T10] ipv6_find_idev+0x102/0x170 [ 469.754434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.754434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.754434][ T10] netlink_rcv_skb+0x130/0x360 [ 469.754434][ T10] netlink_unicast+0x449/0x710 [ 469.754434][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.754434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.754434][ T10] ___sys_sendmsg+0xee/0x170 [ 469.754434][ T10] __sys_sendmsg+0xcd/0x170 [ 469.754434][ T10] do_syscall_64+0xc6/0x1e0 [ 469.754434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.754434][ T10] [ 469.756502][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 469.756502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 469.756502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 469.756502][ T10] ipv6_find_idev+0x102/0x170 [ 469.756502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 469.756502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 469.756502][ T10] netlink_rcv_skb+0x130/0x360 [ 469.756502][ T10] netlink_unicast+0x449/0x710 [ 469.756502][ T10] netlink_sendmsg+0x723/0xbe0 [ 469.756502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 469.756502][ T10] ___sys_sendmsg+0xee/0x170 [ 469.756502][ T10] __sys_sendmsg+0xcd/0x170 [ 469.756502][ T10] do_syscall_64+0xc6/0x1e0 [ 469.756502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 469.756502][ T10] [ 480.229931][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 480.230390][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 480.230390][ T10] netdev_get_by_index+0x5e/0x80 [ 480.230390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.230390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.230390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.230390][ T10] ipv6_add_addr+0x411/0x2000 [ 480.230390][ T10] inet6_addr_add+0x30e/0xa40 [ 480.230390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.230390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.230390][ T10] netlink_rcv_skb+0x130/0x360 [ 480.230390][ T10] netlink_unicast+0x449/0x710 [ 480.230390][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.230390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.230390][ T10] ___sys_sendmsg+0xee/0x170 [ 480.230390][ T10] __sys_sendmsg+0xcd/0x170 [ 480.230390][ T10] do_syscall_64+0xc6/0x1e0 [ 480.230390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.230390][ T10] [ 480.232418][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 480.232418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.232418][ T10] ipv6_find_idev+0x102/0x170 [ 480.232418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.232418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.232418][ T10] netlink_rcv_skb+0x130/0x360 [ 480.232418][ T10] netlink_unicast+0x449/0x710 [ 480.232418][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.232418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.232418][ T10] ___sys_sendmsg+0xee/0x170 [ 480.232418][ T10] __sys_sendmsg+0xcd/0x170 [ 480.232418][ T10] do_syscall_64+0xc6/0x1e0 [ 480.232418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.232418][ T10] [ 480.233969][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 480.233969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.233969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.233969][ T10] ipv6_find_idev+0x102/0x170 [ 480.233969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.233969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.233969][ T10] netlink_rcv_skb+0x130/0x360 [ 480.233969][ T10] netlink_unicast+0x449/0x710 [ 480.233969][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.233969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.233969][ T10] ___sys_sendmsg+0xee/0x170 [ 480.233969][ T10] __sys_sendmsg+0xcd/0x170 [ 480.233969][ T10] do_syscall_64+0xc6/0x1e0 [ 480.233969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.233969][ T10] [ 480.235705][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 480.236005][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 480.236005][ T10] netdev_get_by_index+0x5e/0x80 [ 480.236005][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.236005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.236005][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.236005][ T10] ipv6_add_addr+0x411/0x2000 [ 480.236005][ T10] inet6_addr_add+0x30e/0xa40 [ 480.236005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.236005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.236005][ T10] netlink_rcv_skb+0x130/0x360 [ 480.236005][ T10] netlink_unicast+0x449/0x710 [ 480.236005][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.236005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.236005][ T10] ___sys_sendmsg+0xee/0x170 [ 480.236005][ T10] __sys_sendmsg+0xcd/0x170 [ 480.236005][ T10] do_syscall_64+0xc6/0x1e0 [ 480.236005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.236005][ T10] [ 480.238031][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 480.238031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.238031][ T10] ipv6_find_idev+0x102/0x170 [ 480.238031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.238031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.238031][ T10] netlink_rcv_skb+0x130/0x360 [ 480.238031][ T10] netlink_unicast+0x449/0x710 [ 480.238031][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.238031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.238031][ T10] ___sys_sendmsg+0xee/0x170 [ 480.238031][ T10] __sys_sendmsg+0xcd/0x170 [ 480.238031][ T10] do_syscall_64+0xc6/0x1e0 [ 480.238031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.238031][ T10] [ 480.239600][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 480.239600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.239600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.239600][ T10] ipv6_find_idev+0x102/0x170 [ 480.239600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.239600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.239600][ T10] netlink_rcv_skb+0x130/0x360 [ 480.239600][ T10] netlink_unicast+0x449/0x710 [ 480.239600][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.239600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.239600][ T10] ___sys_sendmsg+0xee/0x170 [ 480.239600][ T10] __sys_sendmsg+0xcd/0x170 [ 480.239600][ T10] do_syscall_64+0xc6/0x1e0 [ 480.239600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.239600][ T10] [ 480.241349][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 480.241637][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 480.241637][ T10] netdev_get_by_index+0x5e/0x80 [ 480.241637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.241637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.241637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.241637][ T10] ipv6_add_addr+0x411/0x2000 [ 480.241637][ T10] inet6_addr_add+0x30e/0xa40 [ 480.241637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.241637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.241637][ T10] netlink_rcv_skb+0x130/0x360 [ 480.241637][ T10] netlink_unicast+0x449/0x710 [ 480.241637][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.241637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.241637][ T10] ___sys_sendmsg+0xee/0x170 [ 480.241637][ T10] __sys_sendmsg+0xcd/0x170 [ 480.241637][ T10] do_syscall_64+0xc6/0x1e0 [ 480.241637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.241637][ T10] [ 480.243653][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 480.243653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.243653][ T10] ipv6_find_idev+0x102/0x170 [ 480.243653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.243653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.243653][ T10] netlink_rcv_skb+0x130/0x360 [ 480.243653][ T10] netlink_unicast+0x449/0x710 [ 480.243653][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.243653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.243653][ T10] ___sys_sendmsg+0xee/0x170 [ 480.243653][ T10] __sys_sendmsg+0xcd/0x170 [ 480.243653][ T10] do_syscall_64+0xc6/0x1e0 [ 480.243653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.243653][ T10] [ 480.245197][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 480.245197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.245197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.245197][ T10] ipv6_find_idev+0x102/0x170 [ 480.245197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.245197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.245197][ T10] netlink_rcv_skb+0x130/0x360 [ 480.245197][ T10] netlink_unicast+0x449/0x710 [ 480.245197][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.245197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.245197][ T10] ___sys_sendmsg+0xee/0x170 [ 480.245197][ T10] __sys_sendmsg+0xcd/0x170 [ 480.245197][ T10] do_syscall_64+0xc6/0x1e0 [ 480.245197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.245197][ T10] [ 480.246892][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 480.247181][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 480.247181][ T10] netdev_get_by_index+0x5e/0x80 [ 480.247181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.247181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.247181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.247181][ T10] ipv6_add_addr+0x411/0x2000 [ 480.247181][ T10] inet6_addr_add+0x30e/0xa40 [ 480.247181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.247181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.247181][ T10] netlink_rcv_skb+0x130/0x360 [ 480.247181][ T10] netlink_unicast+0x449/0x710 [ 480.247181][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.247181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.247181][ T10] ___sys_sendmsg+0xee/0x170 [ 480.247181][ T10] __sys_sendmsg+0xcd/0x170 [ 480.247181][ T10] do_syscall_64+0xc6/0x1e0 [ 480.247181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.247181][ T10] [ 480.249197][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 480.249197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.249197][ T10] ipv6_find_idev+0x102/0x170 [ 480.249197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.249197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.249197][ T10] netlink_rcv_skb+0x130/0x360 [ 480.249197][ T10] netlink_unicast+0x449/0x710 [ 480.249197][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.249197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.249197][ T10] ___sys_sendmsg+0xee/0x170 [ 480.249197][ T10] __sys_sendmsg+0xcd/0x170 [ 480.249197][ T10] do_syscall_64+0xc6/0x1e0 [ 480.249197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.249197][ T10] [ 480.250759][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 480.250759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.250759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.250759][ T10] ipv6_find_idev+0x102/0x170 [ 480.250759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.250759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.250759][ T10] netlink_rcv_skb+0x130/0x360 [ 480.250759][ T10] netlink_unicast+0x449/0x710 [ 480.250759][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.250759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.250759][ T10] ___sys_sendmsg+0xee/0x170 [ 480.250759][ T10] __sys_sendmsg+0xcd/0x170 [ 480.250759][ T10] do_syscall_64+0xc6/0x1e0 [ 480.250759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.250759][ T10] [ 480.252529][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 480.252800][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 480.252800][ T10] netdev_get_by_index+0x5e/0x80 [ 480.252800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.252800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.252800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.252800][ T10] ipv6_add_addr+0x411/0x2000 [ 480.252800][ T10] inet6_addr_add+0x30e/0xa40 [ 480.252800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.252800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.252800][ T10] netlink_rcv_skb+0x130/0x360 [ 480.252800][ T10] netlink_unicast+0x449/0x710 [ 480.252800][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.252800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.252800][ T10] ___sys_sendmsg+0xee/0x170 [ 480.252800][ T10] __sys_sendmsg+0xcd/0x170 [ 480.252800][ T10] do_syscall_64+0xc6/0x1e0 [ 480.252800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.252800][ T10] [ 480.254824][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 480.254824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.254824][ T10] ipv6_find_idev+0x102/0x170 [ 480.254824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.254824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.254824][ T10] netlink_rcv_skb+0x130/0x360 [ 480.254824][ T10] netlink_unicast+0x449/0x710 [ 480.254824][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.254824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.254824][ T10] ___sys_sendmsg+0xee/0x170 [ 480.254824][ T10] __sys_sendmsg+0xcd/0x170 [ 480.254824][ T10] do_syscall_64+0xc6/0x1e0 [ 480.254824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.254824][ T10] [ 480.256395][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 480.256395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.256395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.256395][ T10] ipv6_find_idev+0x102/0x170 [ 480.256395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.256395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.256395][ T10] netlink_rcv_skb+0x130/0x360 [ 480.256395][ T10] netlink_unicast+0x449/0x710 [ 480.256395][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.256395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.256395][ T10] ___sys_sendmsg+0xee/0x170 [ 480.256395][ T10] __sys_sendmsg+0xcd/0x170 [ 480.256395][ T10] do_syscall_64+0xc6/0x1e0 [ 480.256395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.256395][ T10] [ 480.258435][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 480.258699][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 480.258699][ T10] netdev_get_by_index+0x5e/0x80 [ 480.258699][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.258699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.258699][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.258699][ T10] ipv6_add_addr+0x411/0x2000 [ 480.258699][ T10] inet6_addr_add+0x30e/0xa40 [ 480.258699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.258699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.258699][ T10] netlink_rcv_skb+0x130/0x360 [ 480.258699][ T10] netlink_unicast+0x449/0x710 [ 480.258699][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.258699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.258699][ T10] ___sys_sendmsg+0xee/0x170 [ 480.258699][ T10] __sys_sendmsg+0xcd/0x170 [ 480.258699][ T10] do_syscall_64+0xc6/0x1e0 [ 480.258699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.258699][ T10] [ 480.260897][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 480.260897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.260897][ T10] ipv6_find_idev+0x102/0x170 [ 480.260897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.260897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.260897][ T10] netlink_rcv_skb+0x130/0x360 [ 480.260897][ T10] netlink_unicast+0x449/0x710 [ 480.260897][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.260897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.260897][ T10] ___sys_sendmsg+0xee/0x170 [ 480.260897][ T10] __sys_sendmsg+0xcd/0x170 [ 480.260897][ T10] do_syscall_64+0xc6/0x1e0 [ 480.260897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.260897][ T10] [ 480.262626][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 480.262626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.262626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.262626][ T10] ipv6_find_idev+0x102/0x170 [ 480.262626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.262626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.262626][ T10] netlink_rcv_skb+0x130/0x360 [ 480.262626][ T10] netlink_unicast+0x449/0x710 [ 480.262626][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.262626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.262626][ T10] ___sys_sendmsg+0xee/0x170 [ 480.262626][ T10] __sys_sendmsg+0xcd/0x170 [ 480.262626][ T10] do_syscall_64+0xc6/0x1e0 [ 480.262626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.262626][ T10] [ 480.264607][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 480.264933][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 480.264933][ T10] netdev_get_by_index+0x5e/0x80 [ 480.264933][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.264933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.264933][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.264933][ T10] ipv6_add_addr+0x411/0x2000 [ 480.264933][ T10] inet6_addr_add+0x30e/0xa40 [ 480.264933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.264933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.264933][ T10] netlink_rcv_skb+0x130/0x360 [ 480.264933][ T10] netlink_unicast+0x449/0x710 [ 480.264933][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.264933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.264933][ T10] ___sys_sendmsg+0xee/0x170 [ 480.264933][ T10] __sys_sendmsg+0xcd/0x170 [ 480.264933][ T10] do_syscall_64+0xc6/0x1e0 [ 480.264933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.264933][ T10] [ 480.267122][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 480.267122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.267122][ T10] ipv6_find_idev+0x102/0x170 [ 480.267122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.267122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.267122][ T10] netlink_rcv_skb+0x130/0x360 [ 480.267122][ T10] netlink_unicast+0x449/0x710 [ 480.267122][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.267122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.267122][ T10] ___sys_sendmsg+0xee/0x170 [ 480.267122][ T10] __sys_sendmsg+0xcd/0x170 [ 480.267122][ T10] do_syscall_64+0xc6/0x1e0 [ 480.267122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.267122][ T10] [ 480.268915][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 480.268915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.268915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.268915][ T10] ipv6_find_idev+0x102/0x170 [ 480.268915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.268915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.268915][ T10] netlink_rcv_skb+0x130/0x360 [ 480.268915][ T10] netlink_unicast+0x449/0x710 [ 480.268915][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.268915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.268915][ T10] ___sys_sendmsg+0xee/0x170 [ 480.268915][ T10] __sys_sendmsg+0xcd/0x170 [ 480.268915][ T10] do_syscall_64+0xc6/0x1e0 [ 480.268915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.268915][ T10] [ 480.270852][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 480.271118][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 480.271118][ T10] netdev_get_by_index+0x5e/0x80 [ 480.271118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 480.271118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.271118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 480.271118][ T10] ipv6_add_addr+0x411/0x2000 [ 480.271118][ T10] inet6_addr_add+0x30e/0xa40 [ 480.271118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.271118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.271118][ T10] netlink_rcv_skb+0x130/0x360 [ 480.271118][ T10] netlink_unicast+0x449/0x710 [ 480.271118][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.271118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.271118][ T10] ___sys_sendmsg+0xee/0x170 [ 480.271118][ T10] __sys_sendmsg+0xcd/0x170 [ 480.271118][ T10] do_syscall_64+0xc6/0x1e0 [ 480.271118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.271118][ T10] [ 480.273414][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 480.273414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.273414][ T10] ipv6_find_idev+0x102/0x170 [ 480.273414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.273414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.273414][ T10] netlink_rcv_skb+0x130/0x360 [ 480.273414][ T10] netlink_unicast+0x449/0x710 [ 480.273414][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.273414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.273414][ T10] ___sys_sendmsg+0xee/0x170 [ 480.273414][ T10] __sys_sendmsg+0xcd/0x170 [ 480.273414][ T10] do_syscall_64+0xc6/0x1e0 [ 480.273414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.273414][ T10] [ 480.275138][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 480.275138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.275138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.275138][ T10] ipv6_find_idev+0x102/0x170 [ 480.275138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.275138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.275138][ T10] netlink_rcv_skb+0x130/0x360 [ 480.275138][ T10] netlink_unicast+0x449/0x710 [ 480.275138][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.275138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.275138][ T10] ___sys_sendmsg+0xee/0x170 [ 480.275138][ T10] __sys_sendmsg+0xcd/0x170 [ 480.275138][ T10] do_syscall_64+0xc6/0x1e0 [ 480.275138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.275138][ T10] [ 490.365886][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 490.366398][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 490.366398][ T10] netdev_get_by_index+0x5e/0x80 [ 490.366398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.366398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.366398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.366398][ T10] ipv6_add_addr+0x411/0x2000 [ 490.366398][ T10] inet6_addr_add+0x30e/0xa40 [ 490.366398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.366398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.366398][ T10] netlink_rcv_skb+0x130/0x360 [ 490.366398][ T10] netlink_unicast+0x449/0x710 [ 490.366398][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.366398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.366398][ T10] ___sys_sendmsg+0xee/0x170 [ 490.366398][ T10] __sys_sendmsg+0xcd/0x170 [ 490.366398][ T10] do_syscall_64+0xc6/0x1e0 [ 490.366398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.366398][ T10] [ 490.368422][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 490.368422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.368422][ T10] ipv6_find_idev+0x102/0x170 [ 490.368422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.368422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.368422][ T10] netlink_rcv_skb+0x130/0x360 [ 490.368422][ T10] netlink_unicast+0x449/0x710 [ 490.368422][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.368422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.368422][ T10] ___sys_sendmsg+0xee/0x170 [ 490.368422][ T10] __sys_sendmsg+0xcd/0x170 [ 490.368422][ T10] do_syscall_64+0xc6/0x1e0 [ 490.368422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.368422][ T10] [ 490.369984][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 490.369984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.369984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.369984][ T10] ipv6_find_idev+0x102/0x170 [ 490.369984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.369984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.369984][ T10] netlink_rcv_skb+0x130/0x360 [ 490.369984][ T10] netlink_unicast+0x449/0x710 [ 490.369984][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.369984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.369984][ T10] ___sys_sendmsg+0xee/0x170 [ 490.369984][ T10] __sys_sendmsg+0xcd/0x170 [ 490.369984][ T10] do_syscall_64+0xc6/0x1e0 [ 490.369984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.369984][ T10] [ 490.371692][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 490.372001][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 490.372001][ T10] netdev_get_by_index+0x5e/0x80 [ 490.372001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.372001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.372001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.372001][ T10] ipv6_add_addr+0x411/0x2000 [ 490.372001][ T10] inet6_addr_add+0x30e/0xa40 [ 490.372001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.372001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.372001][ T10] netlink_rcv_skb+0x130/0x360 [ 490.372001][ T10] netlink_unicast+0x449/0x710 [ 490.372001][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.372001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.372001][ T10] ___sys_sendmsg+0xee/0x170 [ 490.372001][ T10] __sys_sendmsg+0xcd/0x170 [ 490.372001][ T10] do_syscall_64+0xc6/0x1e0 [ 490.372001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.372001][ T10] [ 490.373988][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 490.373988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.373988][ T10] ipv6_find_idev+0x102/0x170 [ 490.373988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.373988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.373988][ T10] netlink_rcv_skb+0x130/0x360 [ 490.373988][ T10] netlink_unicast+0x449/0x710 [ 490.373988][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.373988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.373988][ T10] ___sys_sendmsg+0xee/0x170 [ 490.373988][ T10] __sys_sendmsg+0xcd/0x170 [ 490.373988][ T10] do_syscall_64+0xc6/0x1e0 [ 490.373988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.373988][ T10] [ 490.375520][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 490.375520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.375520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.375520][ T10] ipv6_find_idev+0x102/0x170 [ 490.375520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.375520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.375520][ T10] netlink_rcv_skb+0x130/0x360 [ 490.375520][ T10] netlink_unicast+0x449/0x710 [ 490.375520][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.375520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.375520][ T10] ___sys_sendmsg+0xee/0x170 [ 490.375520][ T10] __sys_sendmsg+0xcd/0x170 [ 490.375520][ T10] do_syscall_64+0xc6/0x1e0 [ 490.375520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.375520][ T10] [ 490.377231][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 490.377495][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 490.377495][ T10] netdev_get_by_index+0x5e/0x80 [ 490.377495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.377495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.377495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.377495][ T10] ipv6_add_addr+0x411/0x2000 [ 490.377495][ T10] inet6_addr_add+0x30e/0xa40 [ 490.377495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.377495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.377495][ T10] netlink_rcv_skb+0x130/0x360 [ 490.377495][ T10] netlink_unicast+0x449/0x710 [ 490.377495][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.377495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.377495][ T10] ___sys_sendmsg+0xee/0x170 [ 490.377495][ T10] __sys_sendmsg+0xcd/0x170 [ 490.377495][ T10] do_syscall_64+0xc6/0x1e0 [ 490.377495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.377495][ T10] [ 490.379485][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 490.379485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.379485][ T10] ipv6_find_idev+0x102/0x170 [ 490.379485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.379485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.379485][ T10] netlink_rcv_skb+0x130/0x360 [ 490.379485][ T10] netlink_unicast+0x449/0x710 [ 490.379485][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.379485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.379485][ T10] ___sys_sendmsg+0xee/0x170 [ 490.379485][ T10] __sys_sendmsg+0xcd/0x170 [ 490.379485][ T10] do_syscall_64+0xc6/0x1e0 [ 490.379485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.379485][ T10] [ 490.381019][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 490.381019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.381019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.381019][ T10] ipv6_find_idev+0x102/0x170 [ 490.381019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.381019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.381019][ T10] netlink_rcv_skb+0x130/0x360 [ 490.381019][ T10] netlink_unicast+0x449/0x710 [ 490.381019][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.381019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.381019][ T10] ___sys_sendmsg+0xee/0x170 [ 490.381019][ T10] __sys_sendmsg+0xcd/0x170 [ 490.381019][ T10] do_syscall_64+0xc6/0x1e0 [ 490.381019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.381019][ T10] [ 490.382717][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 490.383446][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 490.383446][ T10] netdev_get_by_index+0x5e/0x80 [ 490.383446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.383446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.383446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.383446][ T10] ipv6_add_addr+0x411/0x2000 [ 490.383446][ T10] inet6_addr_add+0x30e/0xa40 [ 490.383446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.383446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.383446][ T10] netlink_rcv_skb+0x130/0x360 [ 490.383446][ T10] netlink_unicast+0x449/0x710 [ 490.383446][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.383446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.383446][ T10] ___sys_sendmsg+0xee/0x170 [ 490.383446][ T10] __sys_sendmsg+0xcd/0x170 [ 490.383446][ T10] do_syscall_64+0xc6/0x1e0 [ 490.383446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.383446][ T10] [ 490.385577][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 490.385577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.385577][ T10] ipv6_find_idev+0x102/0x170 [ 490.385577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.385577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.385577][ T10] netlink_rcv_skb+0x130/0x360 [ 490.385577][ T10] netlink_unicast+0x449/0x710 [ 490.385577][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.385577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.385577][ T10] ___sys_sendmsg+0xee/0x170 [ 490.385577][ T10] __sys_sendmsg+0xcd/0x170 [ 490.385577][ T10] do_syscall_64+0xc6/0x1e0 [ 490.385577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.385577][ T10] [ 490.387210][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 490.387210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.387210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.387210][ T10] ipv6_find_idev+0x102/0x170 [ 490.387210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.387210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.387210][ T10] netlink_rcv_skb+0x130/0x360 [ 490.387210][ T10] netlink_unicast+0x449/0x710 [ 490.387210][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.387210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.387210][ T10] ___sys_sendmsg+0xee/0x170 [ 490.387210][ T10] __sys_sendmsg+0xcd/0x170 [ 490.387210][ T10] do_syscall_64+0xc6/0x1e0 [ 490.387210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.387210][ T10] [ 490.388981][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 490.389241][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 490.389241][ T10] netdev_get_by_index+0x5e/0x80 [ 490.389241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.389241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.389241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.389241][ T10] ipv6_add_addr+0x411/0x2000 [ 490.389241][ T10] inet6_addr_add+0x30e/0xa40 [ 490.389241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.389241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.389241][ T10] netlink_rcv_skb+0x130/0x360 [ 490.389241][ T10] netlink_unicast+0x449/0x710 [ 490.389241][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.389241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.389241][ T10] ___sys_sendmsg+0xee/0x170 [ 490.389241][ T10] __sys_sendmsg+0xcd/0x170 [ 490.389241][ T10] do_syscall_64+0xc6/0x1e0 [ 490.389241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.389241][ T10] [ 490.391303][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 490.391303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.391303][ T10] ipv6_find_idev+0x102/0x170 [ 490.391303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.391303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.391303][ T10] netlink_rcv_skb+0x130/0x360 [ 490.391303][ T10] netlink_unicast+0x449/0x710 [ 490.391303][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.391303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.391303][ T10] ___sys_sendmsg+0xee/0x170 [ 490.391303][ T10] __sys_sendmsg+0xcd/0x170 [ 490.391303][ T10] do_syscall_64+0xc6/0x1e0 [ 490.391303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.391303][ T10] [ 490.392835][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 490.392835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.392835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.392835][ T10] ipv6_find_idev+0x102/0x170 [ 490.392835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.392835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.392835][ T10] netlink_rcv_skb+0x130/0x360 [ 490.392835][ T10] netlink_unicast+0x449/0x710 [ 490.392835][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.392835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.392835][ T10] ___sys_sendmsg+0xee/0x170 [ 490.392835][ T10] __sys_sendmsg+0xcd/0x170 [ 490.392835][ T10] do_syscall_64+0xc6/0x1e0 [ 490.392835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.392835][ T10] [ 490.394581][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 490.394905][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 490.394905][ T10] netdev_get_by_index+0x5e/0x80 [ 490.394905][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.394905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.394905][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.394905][ T10] ipv6_add_addr+0x411/0x2000 [ 490.394905][ T10] inet6_addr_add+0x30e/0xa40 [ 490.394905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.394905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.394905][ T10] netlink_rcv_skb+0x130/0x360 [ 490.394905][ T10] netlink_unicast+0x449/0x710 [ 490.394905][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.394905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.394905][ T10] ___sys_sendmsg+0xee/0x170 [ 490.394905][ T10] __sys_sendmsg+0xcd/0x170 [ 490.394905][ T10] do_syscall_64+0xc6/0x1e0 [ 490.394905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.394905][ T10] [ 490.396967][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 490.396967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.396967][ T10] ipv6_find_idev+0x102/0x170 [ 490.396967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.396967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.396967][ T10] netlink_rcv_skb+0x130/0x360 [ 490.396967][ T10] netlink_unicast+0x449/0x710 [ 490.396967][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.396967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.396967][ T10] ___sys_sendmsg+0xee/0x170 [ 490.396967][ T10] __sys_sendmsg+0xcd/0x170 [ 490.396967][ T10] do_syscall_64+0xc6/0x1e0 [ 490.396967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.396967][ T10] [ 490.398754][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 490.398754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.398754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.398754][ T10] ipv6_find_idev+0x102/0x170 [ 490.398754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.398754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.398754][ T10] netlink_rcv_skb+0x130/0x360 [ 490.398754][ T10] netlink_unicast+0x449/0x710 [ 490.398754][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.398754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.398754][ T10] ___sys_sendmsg+0xee/0x170 [ 490.398754][ T10] __sys_sendmsg+0xcd/0x170 [ 490.398754][ T10] do_syscall_64+0xc6/0x1e0 [ 490.398754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.398754][ T10] [ 490.400718][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 490.401042][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 490.401042][ T10] netdev_get_by_index+0x5e/0x80 [ 490.401042][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.401042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.401042][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.401042][ T10] ipv6_add_addr+0x411/0x2000 [ 490.401042][ T10] inet6_addr_add+0x30e/0xa40 [ 490.401042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.401042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.401042][ T10] netlink_rcv_skb+0x130/0x360 [ 490.401042][ T10] netlink_unicast+0x449/0x710 [ 490.401042][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.401042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.401042][ T10] ___sys_sendmsg+0xee/0x170 [ 490.401042][ T10] __sys_sendmsg+0xcd/0x170 [ 490.401042][ T10] do_syscall_64+0xc6/0x1e0 [ 490.401042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.401042][ T10] [ 490.403231][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 490.403231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.403231][ T10] ipv6_find_idev+0x102/0x170 [ 490.403231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.403231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.403231][ T10] netlink_rcv_skb+0x130/0x360 [ 490.403231][ T10] netlink_unicast+0x449/0x710 [ 490.403231][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.403231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.403231][ T10] ___sys_sendmsg+0xee/0x170 [ 490.403231][ T10] __sys_sendmsg+0xcd/0x170 [ 490.403231][ T10] do_syscall_64+0xc6/0x1e0 [ 490.403231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.403231][ T10] [ 490.404957][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 490.404957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.404957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.404957][ T10] ipv6_find_idev+0x102/0x170 [ 490.404957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.404957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.404957][ T10] netlink_rcv_skb+0x130/0x360 [ 490.404957][ T10] netlink_unicast+0x449/0x710 [ 490.404957][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.404957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.404957][ T10] ___sys_sendmsg+0xee/0x170 [ 490.404957][ T10] __sys_sendmsg+0xcd/0x170 [ 490.404957][ T10] do_syscall_64+0xc6/0x1e0 [ 490.404957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.404957][ T10] [ 490.406965][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 490.407230][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 490.407230][ T10] netdev_get_by_index+0x5e/0x80 [ 490.407230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 490.407230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.407230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 490.407230][ T10] ipv6_add_addr+0x411/0x2000 [ 490.407230][ T10] inet6_addr_add+0x30e/0xa40 [ 490.407230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.407230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.407230][ T10] netlink_rcv_skb+0x130/0x360 [ 490.407230][ T10] netlink_unicast+0x449/0x710 [ 490.407230][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.407230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.407230][ T10] ___sys_sendmsg+0xee/0x170 [ 490.407230][ T10] __sys_sendmsg+0xcd/0x170 [ 490.407230][ T10] do_syscall_64+0xc6/0x1e0 [ 490.407230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.407230][ T10] [ 490.409475][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 490.409475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 490.409475][ T10] ipv6_find_idev+0x102/0x170 [ 490.409475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.409475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.409475][ T10] netlink_rcv_skb+0x130/0x360 [ 490.409475][ T10] netlink_unicast+0x449/0x710 [ 490.409475][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.409475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.409475][ T10] ___sys_sendmsg+0xee/0x170 [ 490.409475][ T10] __sys_sendmsg+0xcd/0x170 [ 490.409475][ T10] do_syscall_64+0xc6/0x1e0 [ 490.409475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.409475][ T10] [ 490.411203][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 490.411203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 490.411203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 490.411203][ T10] ipv6_find_idev+0x102/0x170 [ 490.411203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.411203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.411203][ T10] netlink_rcv_skb+0x130/0x360 [ 490.411203][ T10] netlink_unicast+0x449/0x710 [ 490.411203][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.411203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.411203][ T10] ___sys_sendmsg+0xee/0x170 [ 490.411203][ T10] __sys_sendmsg+0xcd/0x170 [ 490.411203][ T10] do_syscall_64+0xc6/0x1e0 [ 490.411203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.411203][ T10] [ 492.837932][ T42] INFO: task modprobe:1060 blocked for more than 245 seconds. [ 492.838466][ T42] Not tainted 6.8.0-virtme #1 [ 492.838663][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.839050][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 492.839494][ T42] Call Trace: [ 492.839652][ T42] [ 492.839796][ T42] __schedule+0x705/0x1ac0 [ 492.840022][ T42] ? __pfx___schedule+0x10/0x10 [ 492.840235][ T42] ? schedule+0x1a5/0x210 [ 492.840396][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.840611][ T42] ? mark_lock+0x38/0x3e0 [ 492.840786][ T42] ? do_raw_spin_lock+0x131/0x270 [ 492.841001][ T42] ? schedule+0x1a5/0x210 [ 492.841171][ T42] schedule+0xdf/0x210 [ 492.841329][ T42] schedule_preempt_disabled+0x15/0x30 [ 492.841533][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 492.841759][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 492.842032][ T42] ? kasan_save_stack+0x34/0x50 [ 492.842238][ T42] ? kasan_save_stack+0x24/0x50 [ 492.842443][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.842665][ T42] ? lock_acquire+0x1c1/0x220 [ 492.842914][ T42] ? register_pernet_subsys+0x1a/0x50 [ 492.843140][ T42] down_write+0x1c9/0x200 [ 492.843301][ T42] ? __pfx_down_write+0x10/0x10 [ 492.843508][ T42] ? __pfx___lock_release+0x10/0x10 [ 492.843724][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 492.844068][ T42] register_pernet_subsys+0x1a/0x50 [ 492.844277][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 492.844594][ T42] do_one_initcall+0xc8/0x3f0 [ 492.844824][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 492.845038][ T42] ? __create_object+0x5e/0xb0 [ 492.845252][ T42] ? kasan_unpoison+0x27/0x60 [ 492.845463][ T42] do_init_module+0x233/0x740 [ 492.845691][ T42] load_module+0x16b5/0x2350 [ 492.845946][ T42] ? __pfx_load_module+0x10/0x10 [ 492.846160][ T42] ? kernel_read_file+0x3d2/0x520 [ 492.846375][ T42] ? kernel_read_file+0x300/0x520 [ 492.846595][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 492.846994][ T42] ? init_module_from_file+0xd2/0x130 [ 492.847204][ T42] init_module_from_file+0xd2/0x130 [ 492.847416][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 492.847682][ T42] ? __lock_release+0x103/0x460 [ 492.847905][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.848133][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.848346][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 492.848557][ T42] idempotent_init_module+0x342/0x620 [ 492.848794][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 492.849083][ T42] __x64_sys_finit_module+0xbe/0x130 [ 492.849295][ T42] do_syscall_64+0xc6/0x1e0 [ 492.849518][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.849788][ T42] RIP: 0033:0x7ff11fe2be5d [ 492.850001][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 492.850323][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 492.850627][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 492.850962][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 492.851267][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 492.851577][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 492.851923][ T42] [ 492.852086][ T42] [ 492.852086][ T42] Showing all locks held in the system: [ 492.852376][ T42] 3 locks held by kworker/u16:0/10: [ 492.852571][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.853010][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.853376][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 492.853737][ T42] 2 locks held by kworker/u20:0/39: [ 492.853963][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.854381][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.854898][ T42] 1 lock held by khungtaskd/42: [ 492.855095][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 492.855474][ T42] 1 lock held by modprobe/1060: [ 492.855675][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 492.856106][ T42] [ 492.856208][ T42] ============================================= [ 492.856208][ T42] [ 500.605925][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 500.606384][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 500.606384][ T10] netdev_get_by_index+0x5e/0x80 [ 500.606384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.606384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.606384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.606384][ T10] ipv6_add_addr+0x411/0x2000 [ 500.606384][ T10] inet6_addr_add+0x30e/0xa40 [ 500.606384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.606384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.606384][ T10] netlink_rcv_skb+0x130/0x360 [ 500.606384][ T10] netlink_unicast+0x449/0x710 [ 500.606384][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.606384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.606384][ T10] ___sys_sendmsg+0xee/0x170 [ 500.606384][ T10] __sys_sendmsg+0xcd/0x170 [ 500.606384][ T10] do_syscall_64+0xc6/0x1e0 [ 500.606384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.606384][ T10] [ 500.608412][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 500.608412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.608412][ T10] ipv6_find_idev+0x102/0x170 [ 500.608412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.608412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.608412][ T10] netlink_rcv_skb+0x130/0x360 [ 500.608412][ T10] netlink_unicast+0x449/0x710 [ 500.608412][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.608412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.608412][ T10] ___sys_sendmsg+0xee/0x170 [ 500.608412][ T10] __sys_sendmsg+0xcd/0x170 [ 500.608412][ T10] do_syscall_64+0xc6/0x1e0 [ 500.608412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.608412][ T10] [ 500.610016][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 500.610016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.610016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.610016][ T10] ipv6_find_idev+0x102/0x170 [ 500.610016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.610016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.610016][ T10] netlink_rcv_skb+0x130/0x360 [ 500.610016][ T10] netlink_unicast+0x449/0x710 [ 500.610016][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.610016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.610016][ T10] ___sys_sendmsg+0xee/0x170 [ 500.610016][ T10] __sys_sendmsg+0xcd/0x170 [ 500.610016][ T10] do_syscall_64+0xc6/0x1e0 [ 500.610016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.610016][ T10] [ 500.611743][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 500.612035][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 500.612035][ T10] netdev_get_by_index+0x5e/0x80 [ 500.612035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.612035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.612035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.612035][ T10] ipv6_add_addr+0x411/0x2000 [ 500.612035][ T10] inet6_addr_add+0x30e/0xa40 [ 500.612035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.612035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.612035][ T10] netlink_rcv_skb+0x130/0x360 [ 500.612035][ T10] netlink_unicast+0x449/0x710 [ 500.612035][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.612035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.612035][ T10] ___sys_sendmsg+0xee/0x170 [ 500.612035][ T10] __sys_sendmsg+0xcd/0x170 [ 500.612035][ T10] do_syscall_64+0xc6/0x1e0 [ 500.612035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.612035][ T10] [ 500.614036][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 500.614036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.614036][ T10] ipv6_find_idev+0x102/0x170 [ 500.614036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.614036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.614036][ T10] netlink_rcv_skb+0x130/0x360 [ 500.614036][ T10] netlink_unicast+0x449/0x710 [ 500.614036][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.614036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.614036][ T10] ___sys_sendmsg+0xee/0x170 [ 500.614036][ T10] __sys_sendmsg+0xcd/0x170 [ 500.614036][ T10] do_syscall_64+0xc6/0x1e0 [ 500.614036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.614036][ T10] [ 500.615639][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 500.615639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.615639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.615639][ T10] ipv6_find_idev+0x102/0x170 [ 500.615639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.615639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.615639][ T10] netlink_rcv_skb+0x130/0x360 [ 500.615639][ T10] netlink_unicast+0x449/0x710 [ 500.615639][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.615639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.615639][ T10] ___sys_sendmsg+0xee/0x170 [ 500.615639][ T10] __sys_sendmsg+0xcd/0x170 [ 500.615639][ T10] do_syscall_64+0xc6/0x1e0 [ 500.615639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.615639][ T10] [ 500.617410][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 500.617689][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 500.617689][ T10] netdev_get_by_index+0x5e/0x80 [ 500.617689][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.617689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.617689][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.617689][ T10] ipv6_add_addr+0x411/0x2000 [ 500.617689][ T10] inet6_addr_add+0x30e/0xa40 [ 500.617689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.617689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.617689][ T10] netlink_rcv_skb+0x130/0x360 [ 500.617689][ T10] netlink_unicast+0x449/0x710 [ 500.617689][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.617689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.617689][ T10] ___sys_sendmsg+0xee/0x170 [ 500.617689][ T10] __sys_sendmsg+0xcd/0x170 [ 500.617689][ T10] do_syscall_64+0xc6/0x1e0 [ 500.617689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.617689][ T10] [ 500.619714][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 500.619714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.619714][ T10] ipv6_find_idev+0x102/0x170 [ 500.619714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.619714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.619714][ T10] netlink_rcv_skb+0x130/0x360 [ 500.619714][ T10] netlink_unicast+0x449/0x710 [ 500.619714][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.619714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.619714][ T10] ___sys_sendmsg+0xee/0x170 [ 500.619714][ T10] __sys_sendmsg+0xcd/0x170 [ 500.619714][ T10] do_syscall_64+0xc6/0x1e0 [ 500.619714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.619714][ T10] [ 500.621266][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 500.621266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.621266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.621266][ T10] ipv6_find_idev+0x102/0x170 [ 500.621266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.621266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.621266][ T10] netlink_rcv_skb+0x130/0x360 [ 500.621266][ T10] netlink_unicast+0x449/0x710 [ 500.621266][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.621266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.621266][ T10] ___sys_sendmsg+0xee/0x170 [ 500.621266][ T10] __sys_sendmsg+0xcd/0x170 [ 500.621266][ T10] do_syscall_64+0xc6/0x1e0 [ 500.621266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.621266][ T10] [ 500.622960][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 500.623223][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 500.623223][ T10] netdev_get_by_index+0x5e/0x80 [ 500.623223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.623223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.623223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.623223][ T10] ipv6_add_addr+0x411/0x2000 [ 500.623223][ T10] inet6_addr_add+0x30e/0xa40 [ 500.623223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.623223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.623223][ T10] netlink_rcv_skb+0x130/0x360 [ 500.623223][ T10] netlink_unicast+0x449/0x710 [ 500.623223][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.623223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.623223][ T10] ___sys_sendmsg+0xee/0x170 [ 500.623223][ T10] __sys_sendmsg+0xcd/0x170 [ 500.623223][ T10] do_syscall_64+0xc6/0x1e0 [ 500.623223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.623223][ T10] [ 500.625265][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 500.625265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.625265][ T10] ipv6_find_idev+0x102/0x170 [ 500.625265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.625265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.625265][ T10] netlink_rcv_skb+0x130/0x360 [ 500.625265][ T10] netlink_unicast+0x449/0x710 [ 500.625265][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.625265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.625265][ T10] ___sys_sendmsg+0xee/0x170 [ 500.625265][ T10] __sys_sendmsg+0xcd/0x170 [ 500.625265][ T10] do_syscall_64+0xc6/0x1e0 [ 500.625265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.625265][ T10] [ 500.626830][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 500.626830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.626830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.626830][ T10] ipv6_find_idev+0x102/0x170 [ 500.626830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.626830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.626830][ T10] netlink_rcv_skb+0x130/0x360 [ 500.626830][ T10] netlink_unicast+0x449/0x710 [ 500.626830][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.626830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.626830][ T10] ___sys_sendmsg+0xee/0x170 [ 500.626830][ T10] __sys_sendmsg+0xcd/0x170 [ 500.626830][ T10] do_syscall_64+0xc6/0x1e0 [ 500.626830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.626830][ T10] [ 500.628959][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 500.629228][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 500.629228][ T10] netdev_get_by_index+0x5e/0x80 [ 500.629228][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.629228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.629228][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.629228][ T10] ipv6_add_addr+0x411/0x2000 [ 500.629228][ T10] inet6_addr_add+0x30e/0xa40 [ 500.629228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.629228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.629228][ T10] netlink_rcv_skb+0x130/0x360 [ 500.629228][ T10] netlink_unicast+0x449/0x710 [ 500.629228][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.629228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.629228][ T10] ___sys_sendmsg+0xee/0x170 [ 500.629228][ T10] __sys_sendmsg+0xcd/0x170 [ 500.629228][ T10] do_syscall_64+0xc6/0x1e0 [ 500.629228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.629228][ T10] [ 500.631270][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 500.631270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.631270][ T10] ipv6_find_idev+0x102/0x170 [ 500.631270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.631270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.631270][ T10] netlink_rcv_skb+0x130/0x360 [ 500.631270][ T10] netlink_unicast+0x449/0x710 [ 500.631270][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.631270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.631270][ T10] ___sys_sendmsg+0xee/0x170 [ 500.631270][ T10] __sys_sendmsg+0xcd/0x170 [ 500.631270][ T10] do_syscall_64+0xc6/0x1e0 [ 500.631270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.631270][ T10] [ 500.632833][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 500.632833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.632833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.632833][ T10] ipv6_find_idev+0x102/0x170 [ 500.632833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.632833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.632833][ T10] netlink_rcv_skb+0x130/0x360 [ 500.632833][ T10] netlink_unicast+0x449/0x710 [ 500.632833][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.632833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.632833][ T10] ___sys_sendmsg+0xee/0x170 [ 500.632833][ T10] __sys_sendmsg+0xcd/0x170 [ 500.632833][ T10] do_syscall_64+0xc6/0x1e0 [ 500.632833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.632833][ T10] [ 500.634588][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 500.634912][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 500.634912][ T10] netdev_get_by_index+0x5e/0x80 [ 500.634912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.634912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.634912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.634912][ T10] ipv6_add_addr+0x411/0x2000 [ 500.634912][ T10] inet6_addr_add+0x30e/0xa40 [ 500.634912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.634912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.634912][ T10] netlink_rcv_skb+0x130/0x360 [ 500.634912][ T10] netlink_unicast+0x449/0x710 [ 500.634912][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.634912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.634912][ T10] ___sys_sendmsg+0xee/0x170 [ 500.634912][ T10] __sys_sendmsg+0xcd/0x170 [ 500.634912][ T10] do_syscall_64+0xc6/0x1e0 [ 500.634912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.634912][ T10] [ 500.637052][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 500.637052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.637052][ T10] ipv6_find_idev+0x102/0x170 [ 500.637052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.637052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.637052][ T10] netlink_rcv_skb+0x130/0x360 [ 500.637052][ T10] netlink_unicast+0x449/0x710 [ 500.637052][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.637052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.637052][ T10] ___sys_sendmsg+0xee/0x170 [ 500.637052][ T10] __sys_sendmsg+0xcd/0x170 [ 500.637052][ T10] do_syscall_64+0xc6/0x1e0 [ 500.637052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.637052][ T10] [ 500.638839][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 500.638839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.638839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.638839][ T10] ipv6_find_idev+0x102/0x170 [ 500.638839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.638839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.638839][ T10] netlink_rcv_skb+0x130/0x360 [ 500.638839][ T10] netlink_unicast+0x449/0x710 [ 500.638839][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.638839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.638839][ T10] ___sys_sendmsg+0xee/0x170 [ 500.638839][ T10] __sys_sendmsg+0xcd/0x170 [ 500.638839][ T10] do_syscall_64+0xc6/0x1e0 [ 500.638839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.638839][ T10] [ 500.640802][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 500.641160][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 500.641160][ T10] netdev_get_by_index+0x5e/0x80 [ 500.641160][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.641160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.641160][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.641160][ T10] ipv6_add_addr+0x411/0x2000 [ 500.641160][ T10] inet6_addr_add+0x30e/0xa40 [ 500.641160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.641160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.641160][ T10] netlink_rcv_skb+0x130/0x360 [ 500.641160][ T10] netlink_unicast+0x449/0x710 [ 500.641160][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.641160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.641160][ T10] ___sys_sendmsg+0xee/0x170 [ 500.641160][ T10] __sys_sendmsg+0xcd/0x170 [ 500.641160][ T10] do_syscall_64+0xc6/0x1e0 [ 500.641160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.641160][ T10] [ 500.643376][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 500.643376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.643376][ T10] ipv6_find_idev+0x102/0x170 [ 500.643376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.643376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.643376][ T10] netlink_rcv_skb+0x130/0x360 [ 500.643376][ T10] netlink_unicast+0x449/0x710 [ 500.643376][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.643376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.643376][ T10] ___sys_sendmsg+0xee/0x170 [ 500.643376][ T10] __sys_sendmsg+0xcd/0x170 [ 500.643376][ T10] do_syscall_64+0xc6/0x1e0 [ 500.643376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.643376][ T10] [ 500.645134][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 500.645134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.645134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.645134][ T10] ipv6_find_idev+0x102/0x170 [ 500.645134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.645134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.645134][ T10] netlink_rcv_skb+0x130/0x360 [ 500.645134][ T10] netlink_unicast+0x449/0x710 [ 500.645134][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.645134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.645134][ T10] ___sys_sendmsg+0xee/0x170 [ 500.645134][ T10] __sys_sendmsg+0xcd/0x170 [ 500.645134][ T10] do_syscall_64+0xc6/0x1e0 [ 500.645134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.645134][ T10] [ 500.647074][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 500.647346][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 500.647346][ T10] netdev_get_by_index+0x5e/0x80 [ 500.647346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 500.647346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 500.647346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 500.647346][ T10] ipv6_add_addr+0x411/0x2000 [ 500.647346][ T10] inet6_addr_add+0x30e/0xa40 [ 500.647346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 500.647346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.647346][ T10] netlink_rcv_skb+0x130/0x360 [ 500.647346][ T10] netlink_unicast+0x449/0x710 [ 500.647346][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.647346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.647346][ T10] ___sys_sendmsg+0xee/0x170 [ 500.647346][ T10] __sys_sendmsg+0xcd/0x170 [ 500.647346][ T10] do_syscall_64+0xc6/0x1e0 [ 500.647346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.647346][ T10] [ 500.649677][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 500.649677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 500.649677][ T10] ipv6_find_idev+0x102/0x170 [ 500.649677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.649677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.649677][ T10] netlink_rcv_skb+0x130/0x360 [ 500.649677][ T10] netlink_unicast+0x449/0x710 [ 500.649677][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.649677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.649677][ T10] ___sys_sendmsg+0xee/0x170 [ 500.649677][ T10] __sys_sendmsg+0xcd/0x170 [ 500.649677][ T10] do_syscall_64+0xc6/0x1e0 [ 500.649677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.649677][ T10] [ 500.651422][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 500.651422][ T10] neigh_parms_alloc+0x1e5/0x510 [ 500.651422][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 500.651422][ T10] ipv6_find_idev+0x102/0x170 [ 500.651422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.651422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.651422][ T10] netlink_rcv_skb+0x130/0x360 [ 500.651422][ T10] netlink_unicast+0x449/0x710 [ 500.651422][ T10] netlink_sendmsg+0x723/0xbe0 [ 500.651422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 500.651422][ T10] ___sys_sendmsg+0xee/0x170 [ 500.651422][ T10] __sys_sendmsg+0xcd/0x170 [ 500.651422][ T10] do_syscall_64+0xc6/0x1e0 [ 500.651422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.651422][ T10] [ 510.893875][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 510.894307][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 510.894307][ T10] netdev_get_by_index+0x5e/0x80 [ 510.894307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.894307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.894307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.894307][ T10] ipv6_add_addr+0x411/0x2000 [ 510.894307][ T10] inet6_addr_add+0x30e/0xa40 [ 510.894307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.894307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.894307][ T10] netlink_rcv_skb+0x130/0x360 [ 510.894307][ T10] netlink_unicast+0x449/0x710 [ 510.894307][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.894307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.894307][ T10] ___sys_sendmsg+0xee/0x170 [ 510.894307][ T10] __sys_sendmsg+0xcd/0x170 [ 510.894307][ T10] do_syscall_64+0xc6/0x1e0 [ 510.894307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.894307][ T10] [ 510.896296][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 510.896296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.896296][ T10] ipv6_find_idev+0x102/0x170 [ 510.896296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.896296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.896296][ T10] netlink_rcv_skb+0x130/0x360 [ 510.896296][ T10] netlink_unicast+0x449/0x710 [ 510.896296][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.896296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.896296][ T10] ___sys_sendmsg+0xee/0x170 [ 510.896296][ T10] __sys_sendmsg+0xcd/0x170 [ 510.896296][ T10] do_syscall_64+0xc6/0x1e0 [ 510.896296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.896296][ T10] [ 510.897844][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 510.897844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.897844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.897844][ T10] ipv6_find_idev+0x102/0x170 [ 510.897844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.897844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.897844][ T10] netlink_rcv_skb+0x130/0x360 [ 510.897844][ T10] netlink_unicast+0x449/0x710 [ 510.897844][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.897844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.897844][ T10] ___sys_sendmsg+0xee/0x170 [ 510.897844][ T10] __sys_sendmsg+0xcd/0x170 [ 510.897844][ T10] do_syscall_64+0xc6/0x1e0 [ 510.897844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.897844][ T10] [ 510.899548][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 510.899821][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 510.899821][ T10] netdev_get_by_index+0x5e/0x80 [ 510.899821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.899821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.899821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.899821][ T10] ipv6_add_addr+0x411/0x2000 [ 510.899821][ T10] inet6_addr_add+0x30e/0xa40 [ 510.899821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.899821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.899821][ T10] netlink_rcv_skb+0x130/0x360 [ 510.899821][ T10] netlink_unicast+0x449/0x710 [ 510.899821][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.899821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.899821][ T10] ___sys_sendmsg+0xee/0x170 [ 510.899821][ T10] __sys_sendmsg+0xcd/0x170 [ 510.899821][ T10] do_syscall_64+0xc6/0x1e0 [ 510.899821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.899821][ T10] [ 510.901806][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 510.901806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.901806][ T10] ipv6_find_idev+0x102/0x170 [ 510.901806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.901806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.901806][ T10] netlink_rcv_skb+0x130/0x360 [ 510.901806][ T10] netlink_unicast+0x449/0x710 [ 510.901806][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.901806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.901806][ T10] ___sys_sendmsg+0xee/0x170 [ 510.901806][ T10] __sys_sendmsg+0xcd/0x170 [ 510.901806][ T10] do_syscall_64+0xc6/0x1e0 [ 510.901806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.901806][ T10] [ 510.903332][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 510.903332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.903332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.903332][ T10] ipv6_find_idev+0x102/0x170 [ 510.903332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.903332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.903332][ T10] netlink_rcv_skb+0x130/0x360 [ 510.903332][ T10] netlink_unicast+0x449/0x710 [ 510.903332][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.903332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.903332][ T10] ___sys_sendmsg+0xee/0x170 [ 510.903332][ T10] __sys_sendmsg+0xcd/0x170 [ 510.903332][ T10] do_syscall_64+0xc6/0x1e0 [ 510.903332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.903332][ T10] [ 510.905004][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 510.905264][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 510.905264][ T10] netdev_get_by_index+0x5e/0x80 [ 510.905264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.905264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.905264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.905264][ T10] ipv6_add_addr+0x411/0x2000 [ 510.905264][ T10] inet6_addr_add+0x30e/0xa40 [ 510.905264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.905264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.905264][ T10] netlink_rcv_skb+0x130/0x360 [ 510.905264][ T10] netlink_unicast+0x449/0x710 [ 510.905264][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.905264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.905264][ T10] ___sys_sendmsg+0xee/0x170 [ 510.905264][ T10] __sys_sendmsg+0xcd/0x170 [ 510.905264][ T10] do_syscall_64+0xc6/0x1e0 [ 510.905264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.905264][ T10] [ 510.907248][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 510.907248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.907248][ T10] ipv6_find_idev+0x102/0x170 [ 510.907248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.907248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.907248][ T10] netlink_rcv_skb+0x130/0x360 [ 510.907248][ T10] netlink_unicast+0x449/0x710 [ 510.907248][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.907248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.907248][ T10] ___sys_sendmsg+0xee/0x170 [ 510.907248][ T10] __sys_sendmsg+0xcd/0x170 [ 510.907248][ T10] do_syscall_64+0xc6/0x1e0 [ 510.907248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.907248][ T10] [ 510.908770][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 510.908770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.908770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.908770][ T10] ipv6_find_idev+0x102/0x170 [ 510.908770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.908770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.908770][ T10] netlink_rcv_skb+0x130/0x360 [ 510.908770][ T10] netlink_unicast+0x449/0x710 [ 510.908770][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.908770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.908770][ T10] ___sys_sendmsg+0xee/0x170 [ 510.908770][ T10] __sys_sendmsg+0xcd/0x170 [ 510.908770][ T10] do_syscall_64+0xc6/0x1e0 [ 510.908770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.908770][ T10] [ 510.910436][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 510.910694][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 510.910694][ T10] netdev_get_by_index+0x5e/0x80 [ 510.910694][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.910694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.910694][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.910694][ T10] ipv6_add_addr+0x411/0x2000 [ 510.910694][ T10] inet6_addr_add+0x30e/0xa40 [ 510.910694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.910694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.910694][ T10] netlink_rcv_skb+0x130/0x360 [ 510.910694][ T10] netlink_unicast+0x449/0x710 [ 510.910694][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.910694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.910694][ T10] ___sys_sendmsg+0xee/0x170 [ 510.910694][ T10] __sys_sendmsg+0xcd/0x170 [ 510.910694][ T10] do_syscall_64+0xc6/0x1e0 [ 510.910694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.910694][ T10] [ 510.912667][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 510.912667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.912667][ T10] ipv6_find_idev+0x102/0x170 [ 510.912667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.912667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.912667][ T10] netlink_rcv_skb+0x130/0x360 [ 510.912667][ T10] netlink_unicast+0x449/0x710 [ 510.912667][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.912667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.912667][ T10] ___sys_sendmsg+0xee/0x170 [ 510.912667][ T10] __sys_sendmsg+0xcd/0x170 [ 510.912667][ T10] do_syscall_64+0xc6/0x1e0 [ 510.912667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.912667][ T10] [ 510.914199][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 510.914199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.914199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.914199][ T10] ipv6_find_idev+0x102/0x170 [ 510.914199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.914199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.914199][ T10] netlink_rcv_skb+0x130/0x360 [ 510.914199][ T10] netlink_unicast+0x449/0x710 [ 510.914199][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.914199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.914199][ T10] ___sys_sendmsg+0xee/0x170 [ 510.914199][ T10] __sys_sendmsg+0xcd/0x170 [ 510.914199][ T10] do_syscall_64+0xc6/0x1e0 [ 510.914199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.914199][ T10] [ 510.916261][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 510.916527][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 510.916527][ T10] netdev_get_by_index+0x5e/0x80 [ 510.916527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.916527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.916527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.916527][ T10] ipv6_add_addr+0x411/0x2000 [ 510.916527][ T10] inet6_addr_add+0x30e/0xa40 [ 510.916527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.916527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.916527][ T10] netlink_rcv_skb+0x130/0x360 [ 510.916527][ T10] netlink_unicast+0x449/0x710 [ 510.916527][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.916527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.916527][ T10] ___sys_sendmsg+0xee/0x170 [ 510.916527][ T10] __sys_sendmsg+0xcd/0x170 [ 510.916527][ T10] do_syscall_64+0xc6/0x1e0 [ 510.916527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.916527][ T10] [ 510.918497][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 510.918497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.918497][ T10] ipv6_find_idev+0x102/0x170 [ 510.918497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.918497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.918497][ T10] netlink_rcv_skb+0x130/0x360 [ 510.918497][ T10] netlink_unicast+0x449/0x710 [ 510.918497][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.918497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.918497][ T10] ___sys_sendmsg+0xee/0x170 [ 510.918497][ T10] __sys_sendmsg+0xcd/0x170 [ 510.918497][ T10] do_syscall_64+0xc6/0x1e0 [ 510.918497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.918497][ T10] [ 510.920073][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 510.920073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.920073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.920073][ T10] ipv6_find_idev+0x102/0x170 [ 510.920073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.920073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.920073][ T10] netlink_rcv_skb+0x130/0x360 [ 510.920073][ T10] netlink_unicast+0x449/0x710 [ 510.920073][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.920073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.920073][ T10] ___sys_sendmsg+0xee/0x170 [ 510.920073][ T10] __sys_sendmsg+0xcd/0x170 [ 510.920073][ T10] do_syscall_64+0xc6/0x1e0 [ 510.920073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.920073][ T10] [ 510.921793][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 510.922054][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 510.922054][ T10] netdev_get_by_index+0x5e/0x80 [ 510.922054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.922054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.922054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.922054][ T10] ipv6_add_addr+0x411/0x2000 [ 510.922054][ T10] inet6_addr_add+0x30e/0xa40 [ 510.922054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.922054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.922054][ T10] netlink_rcv_skb+0x130/0x360 [ 510.922054][ T10] netlink_unicast+0x449/0x710 [ 510.922054][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.922054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.922054][ T10] ___sys_sendmsg+0xee/0x170 [ 510.922054][ T10] __sys_sendmsg+0xcd/0x170 [ 510.922054][ T10] do_syscall_64+0xc6/0x1e0 [ 510.922054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.922054][ T10] [ 510.924223][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 510.924223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.924223][ T10] ipv6_find_idev+0x102/0x170 [ 510.924223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.924223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.924223][ T10] netlink_rcv_skb+0x130/0x360 [ 510.924223][ T10] netlink_unicast+0x449/0x710 [ 510.924223][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.924223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.924223][ T10] ___sys_sendmsg+0xee/0x170 [ 510.924223][ T10] __sys_sendmsg+0xcd/0x170 [ 510.924223][ T10] do_syscall_64+0xc6/0x1e0 [ 510.924223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.924223][ T10] [ 510.925997][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 510.925997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.925997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.925997][ T10] ipv6_find_idev+0x102/0x170 [ 510.925997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.925997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.925997][ T10] netlink_rcv_skb+0x130/0x360 [ 510.925997][ T10] netlink_unicast+0x449/0x710 [ 510.925997][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.925997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.925997][ T10] ___sys_sendmsg+0xee/0x170 [ 510.925997][ T10] __sys_sendmsg+0xcd/0x170 [ 510.925997][ T10] do_syscall_64+0xc6/0x1e0 [ 510.925997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.925997][ T10] [ 510.927878][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 510.928139][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 510.928139][ T10] netdev_get_by_index+0x5e/0x80 [ 510.928139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.928139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.928139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.928139][ T10] ipv6_add_addr+0x411/0x2000 [ 510.928139][ T10] inet6_addr_add+0x30e/0xa40 [ 510.928139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.928139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.928139][ T10] netlink_rcv_skb+0x130/0x360 [ 510.928139][ T10] netlink_unicast+0x449/0x710 [ 510.928139][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.928139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.928139][ T10] ___sys_sendmsg+0xee/0x170 [ 510.928139][ T10] __sys_sendmsg+0xcd/0x170 [ 510.928139][ T10] do_syscall_64+0xc6/0x1e0 [ 510.928139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.928139][ T10] [ 510.930382][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 510.930382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.930382][ T10] ipv6_find_idev+0x102/0x170 [ 510.930382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.930382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.930382][ T10] netlink_rcv_skb+0x130/0x360 [ 510.930382][ T10] netlink_unicast+0x449/0x710 [ 510.930382][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.930382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.930382][ T10] ___sys_sendmsg+0xee/0x170 [ 510.930382][ T10] __sys_sendmsg+0xcd/0x170 [ 510.930382][ T10] do_syscall_64+0xc6/0x1e0 [ 510.930382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.930382][ T10] [ 510.932017][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 510.932017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.932017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.932017][ T10] ipv6_find_idev+0x102/0x170 [ 510.932017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.932017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.932017][ T10] netlink_rcv_skb+0x130/0x360 [ 510.932017][ T10] netlink_unicast+0x449/0x710 [ 510.932017][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.932017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.932017][ T10] ___sys_sendmsg+0xee/0x170 [ 510.932017][ T10] __sys_sendmsg+0xcd/0x170 [ 510.932017][ T10] do_syscall_64+0xc6/0x1e0 [ 510.932017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.932017][ T10] [ 510.933963][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 510.934223][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 510.934223][ T10] netdev_get_by_index+0x5e/0x80 [ 510.934223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 510.934223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 510.934223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 510.934223][ T10] ipv6_add_addr+0x411/0x2000 [ 510.934223][ T10] inet6_addr_add+0x30e/0xa40 [ 510.934223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 510.934223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.934223][ T10] netlink_rcv_skb+0x130/0x360 [ 510.934223][ T10] netlink_unicast+0x449/0x710 [ 510.934223][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.934223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.934223][ T10] ___sys_sendmsg+0xee/0x170 [ 510.934223][ T10] __sys_sendmsg+0xcd/0x170 [ 510.934223][ T10] do_syscall_64+0xc6/0x1e0 [ 510.934223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.934223][ T10] [ 510.936433][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 510.936433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 510.936433][ T10] ipv6_find_idev+0x102/0x170 [ 510.936433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.936433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.936433][ T10] netlink_rcv_skb+0x130/0x360 [ 510.936433][ T10] netlink_unicast+0x449/0x710 [ 510.936433][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.936433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.936433][ T10] ___sys_sendmsg+0xee/0x170 [ 510.936433][ T10] __sys_sendmsg+0xcd/0x170 [ 510.936433][ T10] do_syscall_64+0xc6/0x1e0 [ 510.936433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.936433][ T10] [ 510.938148][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 510.938148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 510.938148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 510.938148][ T10] ipv6_find_idev+0x102/0x170 [ 510.938148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 510.938148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 510.938148][ T10] netlink_rcv_skb+0x130/0x360 [ 510.938148][ T10] netlink_unicast+0x449/0x710 [ 510.938148][ T10] netlink_sendmsg+0x723/0xbe0 [ 510.938148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 510.938148][ T10] ___sys_sendmsg+0xee/0x170 [ 510.938148][ T10] __sys_sendmsg+0xcd/0x170 [ 510.938148][ T10] do_syscall_64+0xc6/0x1e0 [ 510.938148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 510.938148][ T10] [ 521.005916][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 521.006443][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 521.006443][ T10] netdev_get_by_index+0x5e/0x80 [ 521.006443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.006443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.006443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.006443][ T10] ipv6_add_addr+0x411/0x2000 [ 521.006443][ T10] inet6_addr_add+0x30e/0xa40 [ 521.006443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.006443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.006443][ T10] netlink_rcv_skb+0x130/0x360 [ 521.006443][ T10] netlink_unicast+0x449/0x710 [ 521.006443][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.006443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.006443][ T10] ___sys_sendmsg+0xee/0x170 [ 521.006443][ T10] __sys_sendmsg+0xcd/0x170 [ 521.006443][ T10] do_syscall_64+0xc6/0x1e0 [ 521.006443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.006443][ T10] [ 521.008487][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 521.008487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.008487][ T10] ipv6_find_idev+0x102/0x170 [ 521.008487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.008487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.008487][ T10] netlink_rcv_skb+0x130/0x360 [ 521.008487][ T10] netlink_unicast+0x449/0x710 [ 521.008487][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.008487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.008487][ T10] ___sys_sendmsg+0xee/0x170 [ 521.008487][ T10] __sys_sendmsg+0xcd/0x170 [ 521.008487][ T10] do_syscall_64+0xc6/0x1e0 [ 521.008487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.008487][ T10] [ 521.010051][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 521.010051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.010051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.010051][ T10] ipv6_find_idev+0x102/0x170 [ 521.010051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.010051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.010051][ T10] netlink_rcv_skb+0x130/0x360 [ 521.010051][ T10] netlink_unicast+0x449/0x710 [ 521.010051][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.010051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.010051][ T10] ___sys_sendmsg+0xee/0x170 [ 521.010051][ T10] __sys_sendmsg+0xcd/0x170 [ 521.010051][ T10] do_syscall_64+0xc6/0x1e0 [ 521.010051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.010051][ T10] [ 521.011794][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 521.012081][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 521.012081][ T10] netdev_get_by_index+0x5e/0x80 [ 521.012081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.012081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.012081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.012081][ T10] ipv6_add_addr+0x411/0x2000 [ 521.012081][ T10] inet6_addr_add+0x30e/0xa40 [ 521.012081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.012081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.012081][ T10] netlink_rcv_skb+0x130/0x360 [ 521.012081][ T10] netlink_unicast+0x449/0x710 [ 521.012081][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.012081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.012081][ T10] ___sys_sendmsg+0xee/0x170 [ 521.012081][ T10] __sys_sendmsg+0xcd/0x170 [ 521.012081][ T10] do_syscall_64+0xc6/0x1e0 [ 521.012081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.012081][ T10] [ 521.014093][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 521.014093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.014093][ T10] ipv6_find_idev+0x102/0x170 [ 521.014093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.014093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.014093][ T10] netlink_rcv_skb+0x130/0x360 [ 521.014093][ T10] netlink_unicast+0x449/0x710 [ 521.014093][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.014093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.014093][ T10] ___sys_sendmsg+0xee/0x170 [ 521.014093][ T10] __sys_sendmsg+0xcd/0x170 [ 521.014093][ T10] do_syscall_64+0xc6/0x1e0 [ 521.014093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.014093][ T10] [ 521.015669][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 521.015669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.015669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.015669][ T10] ipv6_find_idev+0x102/0x170 [ 521.015669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.015669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.015669][ T10] netlink_rcv_skb+0x130/0x360 [ 521.015669][ T10] netlink_unicast+0x449/0x710 [ 521.015669][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.015669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.015669][ T10] ___sys_sendmsg+0xee/0x170 [ 521.015669][ T10] __sys_sendmsg+0xcd/0x170 [ 521.015669][ T10] do_syscall_64+0xc6/0x1e0 [ 521.015669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.015669][ T10] [ 521.017370][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 521.017648][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 521.017648][ T10] netdev_get_by_index+0x5e/0x80 [ 521.017648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.017648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.017648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.017648][ T10] ipv6_add_addr+0x411/0x2000 [ 521.017648][ T10] inet6_addr_add+0x30e/0xa40 [ 521.017648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.017648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.017648][ T10] netlink_rcv_skb+0x130/0x360 [ 521.017648][ T10] netlink_unicast+0x449/0x710 [ 521.017648][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.017648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.017648][ T10] ___sys_sendmsg+0xee/0x170 [ 521.017648][ T10] __sys_sendmsg+0xcd/0x170 [ 521.017648][ T10] do_syscall_64+0xc6/0x1e0 [ 521.017648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.017648][ T10] [ 521.019809][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 521.019809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.019809][ T10] ipv6_find_idev+0x102/0x170 [ 521.019809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.019809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.019809][ T10] netlink_rcv_skb+0x130/0x360 [ 521.019809][ T10] netlink_unicast+0x449/0x710 [ 521.019809][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.019809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.019809][ T10] ___sys_sendmsg+0xee/0x170 [ 521.019809][ T10] __sys_sendmsg+0xcd/0x170 [ 521.019809][ T10] do_syscall_64+0xc6/0x1e0 [ 521.019809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.019809][ T10] [ 521.021361][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 521.021361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.021361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.021361][ T10] ipv6_find_idev+0x102/0x170 [ 521.021361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.021361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.021361][ T10] netlink_rcv_skb+0x130/0x360 [ 521.021361][ T10] netlink_unicast+0x449/0x710 [ 521.021361][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.021361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.021361][ T10] ___sys_sendmsg+0xee/0x170 [ 521.021361][ T10] __sys_sendmsg+0xcd/0x170 [ 521.021361][ T10] do_syscall_64+0xc6/0x1e0 [ 521.021361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.021361][ T10] [ 521.023066][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 521.023335][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 521.023335][ T10] netdev_get_by_index+0x5e/0x80 [ 521.023335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.023335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.023335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.023335][ T10] ipv6_add_addr+0x411/0x2000 [ 521.023335][ T10] inet6_addr_add+0x30e/0xa40 [ 521.023335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.023335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.023335][ T10] netlink_rcv_skb+0x130/0x360 [ 521.023335][ T10] netlink_unicast+0x449/0x710 [ 521.023335][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.023335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.023335][ T10] ___sys_sendmsg+0xee/0x170 [ 521.023335][ T10] __sys_sendmsg+0xcd/0x170 [ 521.023335][ T10] do_syscall_64+0xc6/0x1e0 [ 521.023335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.023335][ T10] [ 521.025339][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 521.025339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.025339][ T10] ipv6_find_idev+0x102/0x170 [ 521.025339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.025339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.025339][ T10] netlink_rcv_skb+0x130/0x360 [ 521.025339][ T10] netlink_unicast+0x449/0x710 [ 521.025339][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.025339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.025339][ T10] ___sys_sendmsg+0xee/0x170 [ 521.025339][ T10] __sys_sendmsg+0xcd/0x170 [ 521.025339][ T10] do_syscall_64+0xc6/0x1e0 [ 521.025339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.025339][ T10] [ 521.026885][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 521.026885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.026885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.026885][ T10] ipv6_find_idev+0x102/0x170 [ 521.026885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.026885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.026885][ T10] netlink_rcv_skb+0x130/0x360 [ 521.026885][ T10] netlink_unicast+0x449/0x710 [ 521.026885][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.026885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.026885][ T10] ___sys_sendmsg+0xee/0x170 [ 521.026885][ T10] __sys_sendmsg+0xcd/0x170 [ 521.026885][ T10] do_syscall_64+0xc6/0x1e0 [ 521.026885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.026885][ T10] [ 521.029128][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 521.029754][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 521.029754][ T10] netdev_get_by_index+0x5e/0x80 [ 521.029754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.029754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.029754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.029754][ T10] ipv6_add_addr+0x411/0x2000 [ 521.029754][ T10] inet6_addr_add+0x30e/0xa40 [ 521.029754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.029754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.029754][ T10] netlink_rcv_skb+0x130/0x360 [ 521.029754][ T10] netlink_unicast+0x449/0x710 [ 521.029754][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.029754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.029754][ T10] ___sys_sendmsg+0xee/0x170 [ 521.029754][ T10] __sys_sendmsg+0xcd/0x170 [ 521.029754][ T10] do_syscall_64+0xc6/0x1e0 [ 521.029754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.029754][ T10] [ 521.031754][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 521.031754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.031754][ T10] ipv6_find_idev+0x102/0x170 [ 521.031754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.031754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.031754][ T10] netlink_rcv_skb+0x130/0x360 [ 521.031754][ T10] netlink_unicast+0x449/0x710 [ 521.031754][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.031754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.031754][ T10] ___sys_sendmsg+0xee/0x170 [ 521.031754][ T10] __sys_sendmsg+0xcd/0x170 [ 521.031754][ T10] do_syscall_64+0xc6/0x1e0 [ 521.031754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.031754][ T10] [ 521.033296][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 521.033296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.033296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.033296][ T10] ipv6_find_idev+0x102/0x170 [ 521.033296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.033296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.033296][ T10] netlink_rcv_skb+0x130/0x360 [ 521.033296][ T10] netlink_unicast+0x449/0x710 [ 521.033296][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.033296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.033296][ T10] ___sys_sendmsg+0xee/0x170 [ 521.033296][ T10] __sys_sendmsg+0xcd/0x170 [ 521.033296][ T10] do_syscall_64+0xc6/0x1e0 [ 521.033296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.033296][ T10] [ 521.034992][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 521.035257][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 521.035257][ T10] netdev_get_by_index+0x5e/0x80 [ 521.035257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.035257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.035257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.035257][ T10] ipv6_add_addr+0x411/0x2000 [ 521.035257][ T10] inet6_addr_add+0x30e/0xa40 [ 521.035257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.035257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.035257][ T10] netlink_rcv_skb+0x130/0x360 [ 521.035257][ T10] netlink_unicast+0x449/0x710 [ 521.035257][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.035257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.035257][ T10] ___sys_sendmsg+0xee/0x170 [ 521.035257][ T10] __sys_sendmsg+0xcd/0x170 [ 521.035257][ T10] do_syscall_64+0xc6/0x1e0 [ 521.035257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.035257][ T10] [ 521.037267][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 521.037267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.037267][ T10] ipv6_find_idev+0x102/0x170 [ 521.037267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.037267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.037267][ T10] netlink_rcv_skb+0x130/0x360 [ 521.037267][ T10] netlink_unicast+0x449/0x710 [ 521.037267][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.037267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.037267][ T10] ___sys_sendmsg+0xee/0x170 [ 521.037267][ T10] __sys_sendmsg+0xcd/0x170 [ 521.037267][ T10] do_syscall_64+0xc6/0x1e0 [ 521.037267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.037267][ T10] [ 521.038873][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 521.038873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.038873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.038873][ T10] ipv6_find_idev+0x102/0x170 [ 521.038873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.038873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.038873][ T10] netlink_rcv_skb+0x130/0x360 [ 521.038873][ T10] netlink_unicast+0x449/0x710 [ 521.038873][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.038873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.038873][ T10] ___sys_sendmsg+0xee/0x170 [ 521.038873][ T10] __sys_sendmsg+0xcd/0x170 [ 521.038873][ T10] do_syscall_64+0xc6/0x1e0 [ 521.038873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.038873][ T10] [ 521.040821][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 521.041152][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 521.041152][ T10] netdev_get_by_index+0x5e/0x80 [ 521.041152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.041152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.041152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.041152][ T10] ipv6_add_addr+0x411/0x2000 [ 521.041152][ T10] inet6_addr_add+0x30e/0xa40 [ 521.041152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.041152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.041152][ T10] netlink_rcv_skb+0x130/0x360 [ 521.041152][ T10] netlink_unicast+0x449/0x710 [ 521.041152][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.041152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.041152][ T10] ___sys_sendmsg+0xee/0x170 [ 521.041152][ T10] __sys_sendmsg+0xcd/0x170 [ 521.041152][ T10] do_syscall_64+0xc6/0x1e0 [ 521.041152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.041152][ T10] [ 521.043397][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 521.043397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.043397][ T10] ipv6_find_idev+0x102/0x170 [ 521.043397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.043397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.043397][ T10] netlink_rcv_skb+0x130/0x360 [ 521.043397][ T10] netlink_unicast+0x449/0x710 [ 521.043397][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.043397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.043397][ T10] ___sys_sendmsg+0xee/0x170 [ 521.043397][ T10] __sys_sendmsg+0xcd/0x170 [ 521.043397][ T10] do_syscall_64+0xc6/0x1e0 [ 521.043397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.043397][ T10] [ 521.045136][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 521.045136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.045136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.045136][ T10] ipv6_find_idev+0x102/0x170 [ 521.045136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.045136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.045136][ T10] netlink_rcv_skb+0x130/0x360 [ 521.045136][ T10] netlink_unicast+0x449/0x710 [ 521.045136][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.045136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.045136][ T10] ___sys_sendmsg+0xee/0x170 [ 521.045136][ T10] __sys_sendmsg+0xcd/0x170 [ 521.045136][ T10] do_syscall_64+0xc6/0x1e0 [ 521.045136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.045136][ T10] [ 521.047047][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 521.047357][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 521.047357][ T10] netdev_get_by_index+0x5e/0x80 [ 521.047357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 521.047357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.047357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 521.047357][ T10] ipv6_add_addr+0x411/0x2000 [ 521.047357][ T10] inet6_addr_add+0x30e/0xa40 [ 521.047357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.047357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.047357][ T10] netlink_rcv_skb+0x130/0x360 [ 521.047357][ T10] netlink_unicast+0x449/0x710 [ 521.047357][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.047357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.047357][ T10] ___sys_sendmsg+0xee/0x170 [ 521.047357][ T10] __sys_sendmsg+0xcd/0x170 [ 521.047357][ T10] do_syscall_64+0xc6/0x1e0 [ 521.047357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.047357][ T10] [ 521.049555][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 521.049555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.049555][ T10] ipv6_find_idev+0x102/0x170 [ 521.049555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.049555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.049555][ T10] netlink_rcv_skb+0x130/0x360 [ 521.049555][ T10] netlink_unicast+0x449/0x710 [ 521.049555][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.049555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.049555][ T10] ___sys_sendmsg+0xee/0x170 [ 521.049555][ T10] __sys_sendmsg+0xcd/0x170 [ 521.049555][ T10] do_syscall_64+0xc6/0x1e0 [ 521.049555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.049555][ T10] [ 521.051274][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 521.051274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.051274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.051274][ T10] ipv6_find_idev+0x102/0x170 [ 521.051274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.051274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.051274][ T10] netlink_rcv_skb+0x130/0x360 [ 521.051274][ T10] netlink_unicast+0x449/0x710 [ 521.051274][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.051274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.051274][ T10] ___sys_sendmsg+0xee/0x170 [ 521.051274][ T10] __sys_sendmsg+0xcd/0x170 [ 521.051274][ T10] do_syscall_64+0xc6/0x1e0 [ 521.051274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.051274][ T10] [ 531.069848][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 531.070301][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 531.070301][ T10] netdev_get_by_index+0x5e/0x80 [ 531.070301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.070301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.070301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.070301][ T10] ipv6_add_addr+0x411/0x2000 [ 531.070301][ T10] inet6_addr_add+0x30e/0xa40 [ 531.070301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.070301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.070301][ T10] netlink_rcv_skb+0x130/0x360 [ 531.070301][ T10] netlink_unicast+0x449/0x710 [ 531.070301][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.070301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.070301][ T10] ___sys_sendmsg+0xee/0x170 [ 531.070301][ T10] __sys_sendmsg+0xcd/0x170 [ 531.070301][ T10] do_syscall_64+0xc6/0x1e0 [ 531.070301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.070301][ T10] [ 531.072297][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 531.072297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.072297][ T10] ipv6_find_idev+0x102/0x170 [ 531.072297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.072297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.072297][ T10] netlink_rcv_skb+0x130/0x360 [ 531.072297][ T10] netlink_unicast+0x449/0x710 [ 531.072297][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.072297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.072297][ T10] ___sys_sendmsg+0xee/0x170 [ 531.072297][ T10] __sys_sendmsg+0xcd/0x170 [ 531.072297][ T10] do_syscall_64+0xc6/0x1e0 [ 531.072297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.072297][ T10] [ 531.073830][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 531.073830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.073830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.073830][ T10] ipv6_find_idev+0x102/0x170 [ 531.073830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.073830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.073830][ T10] netlink_rcv_skb+0x130/0x360 [ 531.073830][ T10] netlink_unicast+0x449/0x710 [ 531.073830][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.073830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.073830][ T10] ___sys_sendmsg+0xee/0x170 [ 531.073830][ T10] __sys_sendmsg+0xcd/0x170 [ 531.073830][ T10] do_syscall_64+0xc6/0x1e0 [ 531.073830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.073830][ T10] [ 531.075523][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 531.075797][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 531.075797][ T10] netdev_get_by_index+0x5e/0x80 [ 531.075797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.075797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.075797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.075797][ T10] ipv6_add_addr+0x411/0x2000 [ 531.075797][ T10] inet6_addr_add+0x30e/0xa40 [ 531.075797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.075797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.075797][ T10] netlink_rcv_skb+0x130/0x360 [ 531.075797][ T10] netlink_unicast+0x449/0x710 [ 531.075797][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.075797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.075797][ T10] ___sys_sendmsg+0xee/0x170 [ 531.075797][ T10] __sys_sendmsg+0xcd/0x170 [ 531.075797][ T10] do_syscall_64+0xc6/0x1e0 [ 531.075797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.075797][ T10] [ 531.077774][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 531.077774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.077774][ T10] ipv6_find_idev+0x102/0x170 [ 531.077774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.077774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.077774][ T10] netlink_rcv_skb+0x130/0x360 [ 531.077774][ T10] netlink_unicast+0x449/0x710 [ 531.077774][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.077774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.077774][ T10] ___sys_sendmsg+0xee/0x170 [ 531.077774][ T10] __sys_sendmsg+0xcd/0x170 [ 531.077774][ T10] do_syscall_64+0xc6/0x1e0 [ 531.077774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.077774][ T10] [ 531.079325][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 531.079325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.079325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.079325][ T10] ipv6_find_idev+0x102/0x170 [ 531.079325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.079325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.079325][ T10] netlink_rcv_skb+0x130/0x360 [ 531.079325][ T10] netlink_unicast+0x449/0x710 [ 531.079325][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.079325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.079325][ T10] ___sys_sendmsg+0xee/0x170 [ 531.079325][ T10] __sys_sendmsg+0xcd/0x170 [ 531.079325][ T10] do_syscall_64+0xc6/0x1e0 [ 531.079325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.079325][ T10] [ 531.080993][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 531.081255][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 531.081255][ T10] netdev_get_by_index+0x5e/0x80 [ 531.081255][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.081255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.081255][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.081255][ T10] ipv6_add_addr+0x411/0x2000 [ 531.081255][ T10] inet6_addr_add+0x30e/0xa40 [ 531.081255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.081255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.081255][ T10] netlink_rcv_skb+0x130/0x360 [ 531.081255][ T10] netlink_unicast+0x449/0x710 [ 531.081255][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.081255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.081255][ T10] ___sys_sendmsg+0xee/0x170 [ 531.081255][ T10] __sys_sendmsg+0xcd/0x170 [ 531.081255][ T10] do_syscall_64+0xc6/0x1e0 [ 531.081255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.081255][ T10] [ 531.083231][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 531.083231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.083231][ T10] ipv6_find_idev+0x102/0x170 [ 531.083231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.083231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.083231][ T10] netlink_rcv_skb+0x130/0x360 [ 531.083231][ T10] netlink_unicast+0x449/0x710 [ 531.083231][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.083231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.083231][ T10] ___sys_sendmsg+0xee/0x170 [ 531.083231][ T10] __sys_sendmsg+0xcd/0x170 [ 531.083231][ T10] do_syscall_64+0xc6/0x1e0 [ 531.083231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.083231][ T10] [ 531.084749][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 531.084749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.084749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.084749][ T10] ipv6_find_idev+0x102/0x170 [ 531.084749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.084749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.084749][ T10] netlink_rcv_skb+0x130/0x360 [ 531.084749][ T10] netlink_unicast+0x449/0x710 [ 531.084749][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.084749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.084749][ T10] ___sys_sendmsg+0xee/0x170 [ 531.084749][ T10] __sys_sendmsg+0xcd/0x170 [ 531.084749][ T10] do_syscall_64+0xc6/0x1e0 [ 531.084749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.084749][ T10] [ 531.086409][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 531.086673][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 531.086673][ T10] netdev_get_by_index+0x5e/0x80 [ 531.086673][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.086673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.086673][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.086673][ T10] ipv6_add_addr+0x411/0x2000 [ 531.086673][ T10] inet6_addr_add+0x30e/0xa40 [ 531.086673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.086673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.086673][ T10] netlink_rcv_skb+0x130/0x360 [ 531.086673][ T10] netlink_unicast+0x449/0x710 [ 531.086673][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.086673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.086673][ T10] ___sys_sendmsg+0xee/0x170 [ 531.086673][ T10] __sys_sendmsg+0xcd/0x170 [ 531.086673][ T10] do_syscall_64+0xc6/0x1e0 [ 531.086673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.086673][ T10] [ 531.088652][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 531.088652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.088652][ T10] ipv6_find_idev+0x102/0x170 [ 531.088652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.088652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.088652][ T10] netlink_rcv_skb+0x130/0x360 [ 531.088652][ T10] netlink_unicast+0x449/0x710 [ 531.088652][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.088652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.088652][ T10] ___sys_sendmsg+0xee/0x170 [ 531.088652][ T10] __sys_sendmsg+0xcd/0x170 [ 531.088652][ T10] do_syscall_64+0xc6/0x1e0 [ 531.088652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.088652][ T10] [ 531.090203][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 531.090203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.090203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.090203][ T10] ipv6_find_idev+0x102/0x170 [ 531.090203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.090203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.090203][ T10] netlink_rcv_skb+0x130/0x360 [ 531.090203][ T10] netlink_unicast+0x449/0x710 [ 531.090203][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.090203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.090203][ T10] ___sys_sendmsg+0xee/0x170 [ 531.090203][ T10] __sys_sendmsg+0xcd/0x170 [ 531.090203][ T10] do_syscall_64+0xc6/0x1e0 [ 531.090203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.090203][ T10] [ 531.092266][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 531.092525][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 531.092525][ T10] netdev_get_by_index+0x5e/0x80 [ 531.092525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.092525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.092525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.092525][ T10] ipv6_add_addr+0x411/0x2000 [ 531.092525][ T10] inet6_addr_add+0x30e/0xa40 [ 531.092525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.092525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.092525][ T10] netlink_rcv_skb+0x130/0x360 [ 531.092525][ T10] netlink_unicast+0x449/0x710 [ 531.092525][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.092525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.092525][ T10] ___sys_sendmsg+0xee/0x170 [ 531.092525][ T10] __sys_sendmsg+0xcd/0x170 [ 531.092525][ T10] do_syscall_64+0xc6/0x1e0 [ 531.092525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.092525][ T10] [ 531.094503][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 531.094503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.094503][ T10] ipv6_find_idev+0x102/0x170 [ 531.094503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.094503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.094503][ T10] netlink_rcv_skb+0x130/0x360 [ 531.094503][ T10] netlink_unicast+0x449/0x710 [ 531.094503][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.094503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.094503][ T10] ___sys_sendmsg+0xee/0x170 [ 531.094503][ T10] __sys_sendmsg+0xcd/0x170 [ 531.094503][ T10] do_syscall_64+0xc6/0x1e0 [ 531.094503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.094503][ T10] [ 531.096019][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 531.096019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.096019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.096019][ T10] ipv6_find_idev+0x102/0x170 [ 531.096019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.096019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.096019][ T10] netlink_rcv_skb+0x130/0x360 [ 531.096019][ T10] netlink_unicast+0x449/0x710 [ 531.096019][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.096019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.096019][ T10] ___sys_sendmsg+0xee/0x170 [ 531.096019][ T10] __sys_sendmsg+0xcd/0x170 [ 531.096019][ T10] do_syscall_64+0xc6/0x1e0 [ 531.096019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.096019][ T10] [ 531.097730][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 531.098044][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 531.098044][ T10] netdev_get_by_index+0x5e/0x80 [ 531.098044][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.098044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.098044][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.098044][ T10] ipv6_add_addr+0x411/0x2000 [ 531.098044][ T10] inet6_addr_add+0x30e/0xa40 [ 531.098044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.098044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.098044][ T10] netlink_rcv_skb+0x130/0x360 [ 531.098044][ T10] netlink_unicast+0x449/0x710 [ 531.098044][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.098044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.098044][ T10] ___sys_sendmsg+0xee/0x170 [ 531.098044][ T10] __sys_sendmsg+0xcd/0x170 [ 531.098044][ T10] do_syscall_64+0xc6/0x1e0 [ 531.098044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.098044][ T10] [ 531.100143][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 531.100143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.100143][ T10] ipv6_find_idev+0x102/0x170 [ 531.100143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.100143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.100143][ T10] netlink_rcv_skb+0x130/0x360 [ 531.100143][ T10] netlink_unicast+0x449/0x710 [ 531.100143][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.100143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.100143][ T10] ___sys_sendmsg+0xee/0x170 [ 531.100143][ T10] __sys_sendmsg+0xcd/0x170 [ 531.100143][ T10] do_syscall_64+0xc6/0x1e0 [ 531.100143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.100143][ T10] [ 531.101777][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 531.101777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.101777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.101777][ T10] ipv6_find_idev+0x102/0x170 [ 531.101777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.101777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.101777][ T10] netlink_rcv_skb+0x130/0x360 [ 531.101777][ T10] netlink_unicast+0x449/0x710 [ 531.101777][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.101777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.101777][ T10] ___sys_sendmsg+0xee/0x170 [ 531.101777][ T10] __sys_sendmsg+0xcd/0x170 [ 531.101777][ T10] do_syscall_64+0xc6/0x1e0 [ 531.101777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.101777][ T10] [ 531.103708][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 531.104018][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 531.104018][ T10] netdev_get_by_index+0x5e/0x80 [ 531.104018][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.104018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.104018][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.104018][ T10] ipv6_add_addr+0x411/0x2000 [ 531.104018][ T10] inet6_addr_add+0x30e/0xa40 [ 531.104018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.104018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.104018][ T10] netlink_rcv_skb+0x130/0x360 [ 531.104018][ T10] netlink_unicast+0x449/0x710 [ 531.104018][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.104018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.104018][ T10] ___sys_sendmsg+0xee/0x170 [ 531.104018][ T10] __sys_sendmsg+0xcd/0x170 [ 531.104018][ T10] do_syscall_64+0xc6/0x1e0 [ 531.104018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.104018][ T10] [ 531.106244][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 531.106244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.106244][ T10] ipv6_find_idev+0x102/0x170 [ 531.106244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.106244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.106244][ T10] netlink_rcv_skb+0x130/0x360 [ 531.106244][ T10] netlink_unicast+0x449/0x710 [ 531.106244][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.106244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.106244][ T10] ___sys_sendmsg+0xee/0x170 [ 531.106244][ T10] __sys_sendmsg+0xcd/0x170 [ 531.106244][ T10] do_syscall_64+0xc6/0x1e0 [ 531.106244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.106244][ T10] [ 531.107943][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 531.107943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.107943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.107943][ T10] ipv6_find_idev+0x102/0x170 [ 531.107943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.107943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.107943][ T10] netlink_rcv_skb+0x130/0x360 [ 531.107943][ T10] netlink_unicast+0x449/0x710 [ 531.107943][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.107943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.107943][ T10] ___sys_sendmsg+0xee/0x170 [ 531.107943][ T10] __sys_sendmsg+0xcd/0x170 [ 531.107943][ T10] do_syscall_64+0xc6/0x1e0 [ 531.107943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.107943][ T10] [ 531.109838][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 531.110097][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 531.110097][ T10] netdev_get_by_index+0x5e/0x80 [ 531.110097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 531.110097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.110097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 531.110097][ T10] ipv6_add_addr+0x411/0x2000 [ 531.110097][ T10] inet6_addr_add+0x30e/0xa40 [ 531.110097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.110097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.110097][ T10] netlink_rcv_skb+0x130/0x360 [ 531.110097][ T10] netlink_unicast+0x449/0x710 [ 531.110097][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.110097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.110097][ T10] ___sys_sendmsg+0xee/0x170 [ 531.110097][ T10] __sys_sendmsg+0xcd/0x170 [ 531.110097][ T10] do_syscall_64+0xc6/0x1e0 [ 531.110097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.110097][ T10] [ 531.112307][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 531.112307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.112307][ T10] ipv6_find_idev+0x102/0x170 [ 531.112307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.112307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.112307][ T10] netlink_rcv_skb+0x130/0x360 [ 531.112307][ T10] netlink_unicast+0x449/0x710 [ 531.112307][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.112307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.112307][ T10] ___sys_sendmsg+0xee/0x170 [ 531.112307][ T10] __sys_sendmsg+0xcd/0x170 [ 531.112307][ T10] do_syscall_64+0xc6/0x1e0 [ 531.112307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.112307][ T10] [ 531.114002][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 531.114002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.114002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.114002][ T10] ipv6_find_idev+0x102/0x170 [ 531.114002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.114002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.114002][ T10] netlink_rcv_skb+0x130/0x360 [ 531.114002][ T10] netlink_unicast+0x449/0x710 [ 531.114002][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.114002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.114002][ T10] ___sys_sendmsg+0xee/0x170 [ 531.114002][ T10] __sys_sendmsg+0xcd/0x170 [ 531.114002][ T10] do_syscall_64+0xc6/0x1e0 [ 531.114002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.114002][ T10] [ 541.141928][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 541.142449][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 541.142449][ T10] netdev_get_by_index+0x5e/0x80 [ 541.142449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.142449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.142449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.142449][ T10] ipv6_add_addr+0x411/0x2000 [ 541.142449][ T10] inet6_addr_add+0x30e/0xa40 [ 541.142449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.142449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.142449][ T10] netlink_rcv_skb+0x130/0x360 [ 541.142449][ T10] netlink_unicast+0x449/0x710 [ 541.142449][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.142449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.142449][ T10] ___sys_sendmsg+0xee/0x170 [ 541.142449][ T10] __sys_sendmsg+0xcd/0x170 [ 541.142449][ T10] do_syscall_64+0xc6/0x1e0 [ 541.142449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.142449][ T10] [ 541.144448][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 541.144448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.144448][ T10] ipv6_find_idev+0x102/0x170 [ 541.144448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.144448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.144448][ T10] netlink_rcv_skb+0x130/0x360 [ 541.144448][ T10] netlink_unicast+0x449/0x710 [ 541.144448][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.144448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.144448][ T10] ___sys_sendmsg+0xee/0x170 [ 541.144448][ T10] __sys_sendmsg+0xcd/0x170 [ 541.144448][ T10] do_syscall_64+0xc6/0x1e0 [ 541.144448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.144448][ T10] [ 541.145985][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 541.145985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.145985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.145985][ T10] ipv6_find_idev+0x102/0x170 [ 541.145985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.145985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.145985][ T10] netlink_rcv_skb+0x130/0x360 [ 541.145985][ T10] netlink_unicast+0x449/0x710 [ 541.145985][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.145985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.145985][ T10] ___sys_sendmsg+0xee/0x170 [ 541.145985][ T10] __sys_sendmsg+0xcd/0x170 [ 541.145985][ T10] do_syscall_64+0xc6/0x1e0 [ 541.145985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.145985][ T10] [ 541.147700][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 541.147995][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 541.147995][ T10] netdev_get_by_index+0x5e/0x80 [ 541.147995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.147995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.147995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.147995][ T10] ipv6_add_addr+0x411/0x2000 [ 541.147995][ T10] inet6_addr_add+0x30e/0xa40 [ 541.147995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.147995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.147995][ T10] netlink_rcv_skb+0x130/0x360 [ 541.147995][ T10] netlink_unicast+0x449/0x710 [ 541.147995][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.147995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.147995][ T10] ___sys_sendmsg+0xee/0x170 [ 541.147995][ T10] __sys_sendmsg+0xcd/0x170 [ 541.147995][ T10] do_syscall_64+0xc6/0x1e0 [ 541.147995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.147995][ T10] [ 541.149993][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 541.149993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.149993][ T10] ipv6_find_idev+0x102/0x170 [ 541.149993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.149993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.149993][ T10] netlink_rcv_skb+0x130/0x360 [ 541.149993][ T10] netlink_unicast+0x449/0x710 [ 541.149993][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.149993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.149993][ T10] ___sys_sendmsg+0xee/0x170 [ 541.149993][ T10] __sys_sendmsg+0xcd/0x170 [ 541.149993][ T10] do_syscall_64+0xc6/0x1e0 [ 541.149993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.149993][ T10] [ 541.151521][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 541.151521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.151521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.151521][ T10] ipv6_find_idev+0x102/0x170 [ 541.151521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.151521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.151521][ T10] netlink_rcv_skb+0x130/0x360 [ 541.151521][ T10] netlink_unicast+0x449/0x710 [ 541.151521][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.151521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.151521][ T10] ___sys_sendmsg+0xee/0x170 [ 541.151521][ T10] __sys_sendmsg+0xcd/0x170 [ 541.151521][ T10] do_syscall_64+0xc6/0x1e0 [ 541.151521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.151521][ T10] [ 541.153215][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 541.153477][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 541.153477][ T10] netdev_get_by_index+0x5e/0x80 [ 541.153477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.153477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.153477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.153477][ T10] ipv6_add_addr+0x411/0x2000 [ 541.153477][ T10] inet6_addr_add+0x30e/0xa40 [ 541.153477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.153477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.153477][ T10] netlink_rcv_skb+0x130/0x360 [ 541.153477][ T10] netlink_unicast+0x449/0x710 [ 541.153477][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.153477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.153477][ T10] ___sys_sendmsg+0xee/0x170 [ 541.153477][ T10] __sys_sendmsg+0xcd/0x170 [ 541.153477][ T10] do_syscall_64+0xc6/0x1e0 [ 541.153477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.153477][ T10] [ 541.155453][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 541.155453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.155453][ T10] ipv6_find_idev+0x102/0x170 [ 541.155453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.155453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.155453][ T10] netlink_rcv_skb+0x130/0x360 [ 541.155453][ T10] netlink_unicast+0x449/0x710 [ 541.155453][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.155453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.155453][ T10] ___sys_sendmsg+0xee/0x170 [ 541.155453][ T10] __sys_sendmsg+0xcd/0x170 [ 541.155453][ T10] do_syscall_64+0xc6/0x1e0 [ 541.155453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.155453][ T10] [ 541.156978][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 541.156978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.156978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.156978][ T10] ipv6_find_idev+0x102/0x170 [ 541.156978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.156978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.156978][ T10] netlink_rcv_skb+0x130/0x360 [ 541.156978][ T10] netlink_unicast+0x449/0x710 [ 541.156978][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.156978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.156978][ T10] ___sys_sendmsg+0xee/0x170 [ 541.156978][ T10] __sys_sendmsg+0xcd/0x170 [ 541.156978][ T10] do_syscall_64+0xc6/0x1e0 [ 541.156978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.156978][ T10] [ 541.158650][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 541.159373][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 541.159373][ T10] netdev_get_by_index+0x5e/0x80 [ 541.159373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.159373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.159373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.159373][ T10] ipv6_add_addr+0x411/0x2000 [ 541.159373][ T10] inet6_addr_add+0x30e/0xa40 [ 541.159373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.159373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.159373][ T10] netlink_rcv_skb+0x130/0x360 [ 541.159373][ T10] netlink_unicast+0x449/0x710 [ 541.159373][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.159373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.159373][ T10] ___sys_sendmsg+0xee/0x170 [ 541.159373][ T10] __sys_sendmsg+0xcd/0x170 [ 541.159373][ T10] do_syscall_64+0xc6/0x1e0 [ 541.159373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.159373][ T10] [ 541.161346][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 541.161346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.161346][ T10] ipv6_find_idev+0x102/0x170 [ 541.161346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.161346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.161346][ T10] netlink_rcv_skb+0x130/0x360 [ 541.161346][ T10] netlink_unicast+0x449/0x710 [ 541.161346][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.161346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.161346][ T10] ___sys_sendmsg+0xee/0x170 [ 541.161346][ T10] __sys_sendmsg+0xcd/0x170 [ 541.161346][ T10] do_syscall_64+0xc6/0x1e0 [ 541.161346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.161346][ T10] [ 541.162888][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 541.162888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.162888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.162888][ T10] ipv6_find_idev+0x102/0x170 [ 541.162888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.162888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.162888][ T10] netlink_rcv_skb+0x130/0x360 [ 541.162888][ T10] netlink_unicast+0x449/0x710 [ 541.162888][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.162888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.162888][ T10] ___sys_sendmsg+0xee/0x170 [ 541.162888][ T10] __sys_sendmsg+0xcd/0x170 [ 541.162888][ T10] do_syscall_64+0xc6/0x1e0 [ 541.162888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.162888][ T10] [ 541.164593][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 541.164916][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 541.164916][ T10] netdev_get_by_index+0x5e/0x80 [ 541.164916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.164916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.164916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.164916][ T10] ipv6_add_addr+0x411/0x2000 [ 541.164916][ T10] inet6_addr_add+0x30e/0xa40 [ 541.164916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.164916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.164916][ T10] netlink_rcv_skb+0x130/0x360 [ 541.164916][ T10] netlink_unicast+0x449/0x710 [ 541.164916][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.164916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.164916][ T10] ___sys_sendmsg+0xee/0x170 [ 541.164916][ T10] __sys_sendmsg+0xcd/0x170 [ 541.164916][ T10] do_syscall_64+0xc6/0x1e0 [ 541.164916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.164916][ T10] [ 541.166891][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 541.166891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.166891][ T10] ipv6_find_idev+0x102/0x170 [ 541.166891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.166891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.166891][ T10] netlink_rcv_skb+0x130/0x360 [ 541.166891][ T10] netlink_unicast+0x449/0x710 [ 541.166891][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.166891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.166891][ T10] ___sys_sendmsg+0xee/0x170 [ 541.166891][ T10] __sys_sendmsg+0xcd/0x170 [ 541.166891][ T10] do_syscall_64+0xc6/0x1e0 [ 541.166891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.166891][ T10] [ 541.168414][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 541.168414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.168414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.168414][ T10] ipv6_find_idev+0x102/0x170 [ 541.168414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.168414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.168414][ T10] netlink_rcv_skb+0x130/0x360 [ 541.168414][ T10] netlink_unicast+0x449/0x710 [ 541.168414][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.168414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.168414][ T10] ___sys_sendmsg+0xee/0x170 [ 541.168414][ T10] __sys_sendmsg+0xcd/0x170 [ 541.168414][ T10] do_syscall_64+0xc6/0x1e0 [ 541.168414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.168414][ T10] [ 541.170121][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 541.170380][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 541.170380][ T10] netdev_get_by_index+0x5e/0x80 [ 541.170380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.170380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.170380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.170380][ T10] ipv6_add_addr+0x411/0x2000 [ 541.170380][ T10] inet6_addr_add+0x30e/0xa40 [ 541.170380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.170380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.170380][ T10] netlink_rcv_skb+0x130/0x360 [ 541.170380][ T10] netlink_unicast+0x449/0x710 [ 541.170380][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.170380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.170380][ T10] ___sys_sendmsg+0xee/0x170 [ 541.170380][ T10] __sys_sendmsg+0xcd/0x170 [ 541.170380][ T10] do_syscall_64+0xc6/0x1e0 [ 541.170380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.170380][ T10] [ 541.172441][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 541.172441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.172441][ T10] ipv6_find_idev+0x102/0x170 [ 541.172441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.172441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.172441][ T10] netlink_rcv_skb+0x130/0x360 [ 541.172441][ T10] netlink_unicast+0x449/0x710 [ 541.172441][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.172441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.172441][ T10] ___sys_sendmsg+0xee/0x170 [ 541.172441][ T10] __sys_sendmsg+0xcd/0x170 [ 541.172441][ T10] do_syscall_64+0xc6/0x1e0 [ 541.172441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.172441][ T10] [ 541.174139][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 541.174139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.174139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.174139][ T10] ipv6_find_idev+0x102/0x170 [ 541.174139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.174139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.174139][ T10] netlink_rcv_skb+0x130/0x360 [ 541.174139][ T10] netlink_unicast+0x449/0x710 [ 541.174139][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.174139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.174139][ T10] ___sys_sendmsg+0xee/0x170 [ 541.174139][ T10] __sys_sendmsg+0xcd/0x170 [ 541.174139][ T10] do_syscall_64+0xc6/0x1e0 [ 541.174139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.174139][ T10] [ 541.176024][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 541.176281][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 541.176281][ T10] netdev_get_by_index+0x5e/0x80 [ 541.176281][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.176281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.176281][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.176281][ T10] ipv6_add_addr+0x411/0x2000 [ 541.176281][ T10] inet6_addr_add+0x30e/0xa40 [ 541.176281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.176281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.176281][ T10] netlink_rcv_skb+0x130/0x360 [ 541.176281][ T10] netlink_unicast+0x449/0x710 [ 541.176281][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.176281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.176281][ T10] ___sys_sendmsg+0xee/0x170 [ 541.176281][ T10] __sys_sendmsg+0xcd/0x170 [ 541.176281][ T10] do_syscall_64+0xc6/0x1e0 [ 541.176281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.176281][ T10] [ 541.178556][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 541.178556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.178556][ T10] ipv6_find_idev+0x102/0x170 [ 541.178556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.178556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.178556][ T10] netlink_rcv_skb+0x130/0x360 [ 541.178556][ T10] netlink_unicast+0x449/0x710 [ 541.178556][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.178556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.178556][ T10] ___sys_sendmsg+0xee/0x170 [ 541.178556][ T10] __sys_sendmsg+0xcd/0x170 [ 541.178556][ T10] do_syscall_64+0xc6/0x1e0 [ 541.178556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.178556][ T10] [ 541.180256][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 541.180256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.180256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.180256][ T10] ipv6_find_idev+0x102/0x170 [ 541.180256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.180256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.180256][ T10] netlink_rcv_skb+0x130/0x360 [ 541.180256][ T10] netlink_unicast+0x449/0x710 [ 541.180256][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.180256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.180256][ T10] ___sys_sendmsg+0xee/0x170 [ 541.180256][ T10] __sys_sendmsg+0xcd/0x170 [ 541.180256][ T10] do_syscall_64+0xc6/0x1e0 [ 541.180256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.180256][ T10] [ 541.182135][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 541.182395][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 541.182395][ T10] netdev_get_by_index+0x5e/0x80 [ 541.182395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 541.182395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.182395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 541.182395][ T10] ipv6_add_addr+0x411/0x2000 [ 541.182395][ T10] inet6_addr_add+0x30e/0xa40 [ 541.182395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.182395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.182395][ T10] netlink_rcv_skb+0x130/0x360 [ 541.182395][ T10] netlink_unicast+0x449/0x710 [ 541.182395][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.182395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.182395][ T10] ___sys_sendmsg+0xee/0x170 [ 541.182395][ T10] __sys_sendmsg+0xcd/0x170 [ 541.182395][ T10] do_syscall_64+0xc6/0x1e0 [ 541.182395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.182395][ T10] [ 541.184599][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 541.184599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.184599][ T10] ipv6_find_idev+0x102/0x170 [ 541.184599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.184599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.184599][ T10] netlink_rcv_skb+0x130/0x360 [ 541.184599][ T10] netlink_unicast+0x449/0x710 [ 541.184599][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.184599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.184599][ T10] ___sys_sendmsg+0xee/0x170 [ 541.184599][ T10] __sys_sendmsg+0xcd/0x170 [ 541.184599][ T10] do_syscall_64+0xc6/0x1e0 [ 541.184599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.184599][ T10] [ 541.186300][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 541.186300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.186300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.186300][ T10] ipv6_find_idev+0x102/0x170 [ 541.186300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.186300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.186300][ T10] netlink_rcv_skb+0x130/0x360 [ 541.186300][ T10] netlink_unicast+0x449/0x710 [ 541.186300][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.186300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.186300][ T10] ___sys_sendmsg+0xee/0x170 [ 541.186300][ T10] __sys_sendmsg+0xcd/0x170 [ 541.186300][ T10] do_syscall_64+0xc6/0x1e0 [ 541.186300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.186300][ T10] [ 551.429907][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 551.430341][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 551.430341][ T10] netdev_get_by_index+0x5e/0x80 [ 551.430341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.430341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.430341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.430341][ T10] ipv6_add_addr+0x411/0x2000 [ 551.430341][ T10] inet6_addr_add+0x30e/0xa40 [ 551.430341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.430341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.430341][ T10] netlink_rcv_skb+0x130/0x360 [ 551.430341][ T10] netlink_unicast+0x449/0x710 [ 551.430341][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.430341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.430341][ T10] ___sys_sendmsg+0xee/0x170 [ 551.430341][ T10] __sys_sendmsg+0xcd/0x170 [ 551.430341][ T10] do_syscall_64+0xc6/0x1e0 [ 551.430341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.430341][ T10] [ 551.432378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 551.432378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.432378][ T10] ipv6_find_idev+0x102/0x170 [ 551.432378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.432378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.432378][ T10] netlink_rcv_skb+0x130/0x360 [ 551.432378][ T10] netlink_unicast+0x449/0x710 [ 551.432378][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.432378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.432378][ T10] ___sys_sendmsg+0xee/0x170 [ 551.432378][ T10] __sys_sendmsg+0xcd/0x170 [ 551.432378][ T10] do_syscall_64+0xc6/0x1e0 [ 551.432378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.432378][ T10] [ 551.433932][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 551.433932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.433932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.433932][ T10] ipv6_find_idev+0x102/0x170 [ 551.433932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.433932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.433932][ T10] netlink_rcv_skb+0x130/0x360 [ 551.433932][ T10] netlink_unicast+0x449/0x710 [ 551.433932][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.433932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.433932][ T10] ___sys_sendmsg+0xee/0x170 [ 551.433932][ T10] __sys_sendmsg+0xcd/0x170 [ 551.433932][ T10] do_syscall_64+0xc6/0x1e0 [ 551.433932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.433932][ T10] [ 551.435654][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 551.435948][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 551.435948][ T10] netdev_get_by_index+0x5e/0x80 [ 551.435948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.435948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.435948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.435948][ T10] ipv6_add_addr+0x411/0x2000 [ 551.435948][ T10] inet6_addr_add+0x30e/0xa40 [ 551.435948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.435948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.435948][ T10] netlink_rcv_skb+0x130/0x360 [ 551.435948][ T10] netlink_unicast+0x449/0x710 [ 551.435948][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.435948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.435948][ T10] ___sys_sendmsg+0xee/0x170 [ 551.435948][ T10] __sys_sendmsg+0xcd/0x170 [ 551.435948][ T10] do_syscall_64+0xc6/0x1e0 [ 551.435948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.435948][ T10] [ 551.437946][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 551.437946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.437946][ T10] ipv6_find_idev+0x102/0x170 [ 551.437946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.437946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.437946][ T10] netlink_rcv_skb+0x130/0x360 [ 551.437946][ T10] netlink_unicast+0x449/0x710 [ 551.437946][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.437946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.437946][ T10] ___sys_sendmsg+0xee/0x170 [ 551.437946][ T10] __sys_sendmsg+0xcd/0x170 [ 551.437946][ T10] do_syscall_64+0xc6/0x1e0 [ 551.437946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.437946][ T10] [ 551.439532][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 551.439532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.439532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.439532][ T10] ipv6_find_idev+0x102/0x170 [ 551.439532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.439532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.439532][ T10] netlink_rcv_skb+0x130/0x360 [ 551.439532][ T10] netlink_unicast+0x449/0x710 [ 551.439532][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.439532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.439532][ T10] ___sys_sendmsg+0xee/0x170 [ 551.439532][ T10] __sys_sendmsg+0xcd/0x170 [ 551.439532][ T10] do_syscall_64+0xc6/0x1e0 [ 551.439532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.439532][ T10] [ 551.441232][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 551.441509][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 551.441509][ T10] netdev_get_by_index+0x5e/0x80 [ 551.441509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.441509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.441509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.441509][ T10] ipv6_add_addr+0x411/0x2000 [ 551.441509][ T10] inet6_addr_add+0x30e/0xa40 [ 551.441509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.441509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.441509][ T10] netlink_rcv_skb+0x130/0x360 [ 551.441509][ T10] netlink_unicast+0x449/0x710 [ 551.441509][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.441509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.441509][ T10] ___sys_sendmsg+0xee/0x170 [ 551.441509][ T10] __sys_sendmsg+0xcd/0x170 [ 551.441509][ T10] do_syscall_64+0xc6/0x1e0 [ 551.441509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.441509][ T10] [ 551.443508][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 551.443508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.443508][ T10] ipv6_find_idev+0x102/0x170 [ 551.443508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.443508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.443508][ T10] netlink_rcv_skb+0x130/0x360 [ 551.443508][ T10] netlink_unicast+0x449/0x710 [ 551.443508][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.443508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.443508][ T10] ___sys_sendmsg+0xee/0x170 [ 551.443508][ T10] __sys_sendmsg+0xcd/0x170 [ 551.443508][ T10] do_syscall_64+0xc6/0x1e0 [ 551.443508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.443508][ T10] [ 551.445043][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 551.445043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.445043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.445043][ T10] ipv6_find_idev+0x102/0x170 [ 551.445043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.445043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.445043][ T10] netlink_rcv_skb+0x130/0x360 [ 551.445043][ T10] netlink_unicast+0x449/0x710 [ 551.445043][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.445043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.445043][ T10] ___sys_sendmsg+0xee/0x170 [ 551.445043][ T10] __sys_sendmsg+0xcd/0x170 [ 551.445043][ T10] do_syscall_64+0xc6/0x1e0 [ 551.445043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.445043][ T10] [ 551.446717][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 551.447434][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 551.447434][ T10] netdev_get_by_index+0x5e/0x80 [ 551.447434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.447434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.447434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.447434][ T10] ipv6_add_addr+0x411/0x2000 [ 551.447434][ T10] inet6_addr_add+0x30e/0xa40 [ 551.447434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.447434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.447434][ T10] netlink_rcv_skb+0x130/0x360 [ 551.447434][ T10] netlink_unicast+0x449/0x710 [ 551.447434][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.447434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.447434][ T10] ___sys_sendmsg+0xee/0x170 [ 551.447434][ T10] __sys_sendmsg+0xcd/0x170 [ 551.447434][ T10] do_syscall_64+0xc6/0x1e0 [ 551.447434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.447434][ T10] [ 551.449512][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 551.449512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.449512][ T10] ipv6_find_idev+0x102/0x170 [ 551.449512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.449512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.449512][ T10] netlink_rcv_skb+0x130/0x360 [ 551.449512][ T10] netlink_unicast+0x449/0x710 [ 551.449512][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.449512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.449512][ T10] ___sys_sendmsg+0xee/0x170 [ 551.449512][ T10] __sys_sendmsg+0xcd/0x170 [ 551.449512][ T10] do_syscall_64+0xc6/0x1e0 [ 551.449512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.449512][ T10] [ 551.451045][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 551.451045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.451045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.451045][ T10] ipv6_find_idev+0x102/0x170 [ 551.451045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.451045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.451045][ T10] netlink_rcv_skb+0x130/0x360 [ 551.451045][ T10] netlink_unicast+0x449/0x710 [ 551.451045][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.451045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.451045][ T10] ___sys_sendmsg+0xee/0x170 [ 551.451045][ T10] __sys_sendmsg+0xcd/0x170 [ 551.451045][ T10] do_syscall_64+0xc6/0x1e0 [ 551.451045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.451045][ T10] [ 551.452789][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 551.453050][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 551.453050][ T10] netdev_get_by_index+0x5e/0x80 [ 551.453050][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.453050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.453050][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.453050][ T10] ipv6_add_addr+0x411/0x2000 [ 551.453050][ T10] inet6_addr_add+0x30e/0xa40 [ 551.453050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.453050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.453050][ T10] netlink_rcv_skb+0x130/0x360 [ 551.453050][ T10] netlink_unicast+0x449/0x710 [ 551.453050][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.453050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.453050][ T10] ___sys_sendmsg+0xee/0x170 [ 551.453050][ T10] __sys_sendmsg+0xcd/0x170 [ 551.453050][ T10] do_syscall_64+0xc6/0x1e0 [ 551.453050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.453050][ T10] [ 551.455036][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 551.455036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.455036][ T10] ipv6_find_idev+0x102/0x170 [ 551.455036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.455036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.455036][ T10] netlink_rcv_skb+0x130/0x360 [ 551.455036][ T10] netlink_unicast+0x449/0x710 [ 551.455036][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.455036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.455036][ T10] ___sys_sendmsg+0xee/0x170 [ 551.455036][ T10] __sys_sendmsg+0xcd/0x170 [ 551.455036][ T10] do_syscall_64+0xc6/0x1e0 [ 551.455036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.455036][ T10] [ 551.456561][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 551.456561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.456561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.456561][ T10] ipv6_find_idev+0x102/0x170 [ 551.456561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.456561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.456561][ T10] netlink_rcv_skb+0x130/0x360 [ 551.456561][ T10] netlink_unicast+0x449/0x710 [ 551.456561][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.456561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.456561][ T10] ___sys_sendmsg+0xee/0x170 [ 551.456561][ T10] __sys_sendmsg+0xcd/0x170 [ 551.456561][ T10] do_syscall_64+0xc6/0x1e0 [ 551.456561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.456561][ T10] [ 551.458267][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 551.458525][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 551.458525][ T10] netdev_get_by_index+0x5e/0x80 [ 551.458525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.458525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.458525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.458525][ T10] ipv6_add_addr+0x411/0x2000 [ 551.458525][ T10] inet6_addr_add+0x30e/0xa40 [ 551.458525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.458525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.458525][ T10] netlink_rcv_skb+0x130/0x360 [ 551.458525][ T10] netlink_unicast+0x449/0x710 [ 551.458525][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.458525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.458525][ T10] ___sys_sendmsg+0xee/0x170 [ 551.458525][ T10] __sys_sendmsg+0xcd/0x170 [ 551.458525][ T10] do_syscall_64+0xc6/0x1e0 [ 551.458525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.458525][ T10] [ 551.460641][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 551.460641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.460641][ T10] ipv6_find_idev+0x102/0x170 [ 551.460641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.460641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.460641][ T10] netlink_rcv_skb+0x130/0x360 [ 551.460641][ T10] netlink_unicast+0x449/0x710 [ 551.460641][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.460641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.460641][ T10] ___sys_sendmsg+0xee/0x170 [ 551.460641][ T10] __sys_sendmsg+0xcd/0x170 [ 551.460641][ T10] do_syscall_64+0xc6/0x1e0 [ 551.460641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.460641][ T10] [ 551.462296][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 551.462296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.462296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.462296][ T10] ipv6_find_idev+0x102/0x170 [ 551.462296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.462296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.462296][ T10] netlink_rcv_skb+0x130/0x360 [ 551.462296][ T10] netlink_unicast+0x449/0x710 [ 551.462296][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.462296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.462296][ T10] ___sys_sendmsg+0xee/0x170 [ 551.462296][ T10] __sys_sendmsg+0xcd/0x170 [ 551.462296][ T10] do_syscall_64+0xc6/0x1e0 [ 551.462296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.462296][ T10] [ 551.464251][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 551.464514][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 551.464514][ T10] netdev_get_by_index+0x5e/0x80 [ 551.464514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.464514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.464514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.464514][ T10] ipv6_add_addr+0x411/0x2000 [ 551.464514][ T10] inet6_addr_add+0x30e/0xa40 [ 551.464514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.464514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.464514][ T10] netlink_rcv_skb+0x130/0x360 [ 551.464514][ T10] netlink_unicast+0x449/0x710 [ 551.464514][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.464514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.464514][ T10] ___sys_sendmsg+0xee/0x170 [ 551.464514][ T10] __sys_sendmsg+0xcd/0x170 [ 551.464514][ T10] do_syscall_64+0xc6/0x1e0 [ 551.464514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.464514][ T10] [ 551.466671][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 551.466671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.466671][ T10] ipv6_find_idev+0x102/0x170 [ 551.466671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.466671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.466671][ T10] netlink_rcv_skb+0x130/0x360 [ 551.466671][ T10] netlink_unicast+0x449/0x710 [ 551.466671][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.466671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.466671][ T10] ___sys_sendmsg+0xee/0x170 [ 551.466671][ T10] __sys_sendmsg+0xcd/0x170 [ 551.466671][ T10] do_syscall_64+0xc6/0x1e0 [ 551.466671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.466671][ T10] [ 551.468432][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 551.468432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.468432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.468432][ T10] ipv6_find_idev+0x102/0x170 [ 551.468432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.468432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.468432][ T10] netlink_rcv_skb+0x130/0x360 [ 551.468432][ T10] netlink_unicast+0x449/0x710 [ 551.468432][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.468432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.468432][ T10] ___sys_sendmsg+0xee/0x170 [ 551.468432][ T10] __sys_sendmsg+0xcd/0x170 [ 551.468432][ T10] do_syscall_64+0xc6/0x1e0 [ 551.468432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.468432][ T10] [ 551.470389][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 551.470649][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 551.470649][ T10] netdev_get_by_index+0x5e/0x80 [ 551.470649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 551.470649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 551.470649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 551.470649][ T10] ipv6_add_addr+0x411/0x2000 [ 551.470649][ T10] inet6_addr_add+0x30e/0xa40 [ 551.470649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 551.470649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.470649][ T10] netlink_rcv_skb+0x130/0x360 [ 551.470649][ T10] netlink_unicast+0x449/0x710 [ 551.470649][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.470649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.470649][ T10] ___sys_sendmsg+0xee/0x170 [ 551.470649][ T10] __sys_sendmsg+0xcd/0x170 [ 551.470649][ T10] do_syscall_64+0xc6/0x1e0 [ 551.470649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.470649][ T10] [ 551.472801][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 551.472801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 551.472801][ T10] ipv6_find_idev+0x102/0x170 [ 551.472801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.472801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.472801][ T10] netlink_rcv_skb+0x130/0x360 [ 551.472801][ T10] netlink_unicast+0x449/0x710 [ 551.472801][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.472801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.472801][ T10] ___sys_sendmsg+0xee/0x170 [ 551.472801][ T10] __sys_sendmsg+0xcd/0x170 [ 551.472801][ T10] do_syscall_64+0xc6/0x1e0 [ 551.472801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.472801][ T10] [ 551.474525][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 551.474525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 551.474525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 551.474525][ T10] ipv6_find_idev+0x102/0x170 [ 551.474525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.474525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.474525][ T10] netlink_rcv_skb+0x130/0x360 [ 551.474525][ T10] netlink_unicast+0x449/0x710 [ 551.474525][ T10] netlink_sendmsg+0x723/0xbe0 [ 551.474525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 551.474525][ T10] ___sys_sendmsg+0xee/0x170 [ 551.474525][ T10] __sys_sendmsg+0xcd/0x170 [ 551.474525][ T10] do_syscall_64+0xc6/0x1e0 [ 551.474525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.474525][ T10] [ 561.549927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 561.550447][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 561.550447][ T10] netdev_get_by_index+0x5e/0x80 [ 561.550447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.550447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.550447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.550447][ T10] ipv6_add_addr+0x411/0x2000 [ 561.550447][ T10] inet6_addr_add+0x30e/0xa40 [ 561.550447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.550447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.550447][ T10] netlink_rcv_skb+0x130/0x360 [ 561.550447][ T10] netlink_unicast+0x449/0x710 [ 561.550447][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.550447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.550447][ T10] ___sys_sendmsg+0xee/0x170 [ 561.550447][ T10] __sys_sendmsg+0xcd/0x170 [ 561.550447][ T10] do_syscall_64+0xc6/0x1e0 [ 561.550447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.550447][ T10] [ 561.552594][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 561.552594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.552594][ T10] ipv6_find_idev+0x102/0x170 [ 561.552594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.552594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.552594][ T10] netlink_rcv_skb+0x130/0x360 [ 561.552594][ T10] netlink_unicast+0x449/0x710 [ 561.552594][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.552594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.552594][ T10] ___sys_sendmsg+0xee/0x170 [ 561.552594][ T10] __sys_sendmsg+0xcd/0x170 [ 561.552594][ T10] do_syscall_64+0xc6/0x1e0 [ 561.552594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.552594][ T10] [ 561.554141][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 561.554141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.554141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.554141][ T10] ipv6_find_idev+0x102/0x170 [ 561.554141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.554141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.554141][ T10] netlink_rcv_skb+0x130/0x360 [ 561.554141][ T10] netlink_unicast+0x449/0x710 [ 561.554141][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.554141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.554141][ T10] ___sys_sendmsg+0xee/0x170 [ 561.554141][ T10] __sys_sendmsg+0xcd/0x170 [ 561.554141][ T10] do_syscall_64+0xc6/0x1e0 [ 561.554141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.554141][ T10] [ 561.555844][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 561.556121][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 561.556121][ T10] netdev_get_by_index+0x5e/0x80 [ 561.556121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.556121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.556121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.556121][ T10] ipv6_add_addr+0x411/0x2000 [ 561.556121][ T10] inet6_addr_add+0x30e/0xa40 [ 561.556121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.556121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.556121][ T10] netlink_rcv_skb+0x130/0x360 [ 561.556121][ T10] netlink_unicast+0x449/0x710 [ 561.556121][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.556121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.556121][ T10] ___sys_sendmsg+0xee/0x170 [ 561.556121][ T10] __sys_sendmsg+0xcd/0x170 [ 561.556121][ T10] do_syscall_64+0xc6/0x1e0 [ 561.556121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.556121][ T10] [ 561.558128][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 561.558128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.558128][ T10] ipv6_find_idev+0x102/0x170 [ 561.558128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.558128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.558128][ T10] netlink_rcv_skb+0x130/0x360 [ 561.558128][ T10] netlink_unicast+0x449/0x710 [ 561.558128][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.558128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.558128][ T10] ___sys_sendmsg+0xee/0x170 [ 561.558128][ T10] __sys_sendmsg+0xcd/0x170 [ 561.558128][ T10] do_syscall_64+0xc6/0x1e0 [ 561.558128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.558128][ T10] [ 561.559708][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 561.559708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.559708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.559708][ T10] ipv6_find_idev+0x102/0x170 [ 561.559708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.559708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.559708][ T10] netlink_rcv_skb+0x130/0x360 [ 561.559708][ T10] netlink_unicast+0x449/0x710 [ 561.559708][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.559708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.559708][ T10] ___sys_sendmsg+0xee/0x170 [ 561.559708][ T10] __sys_sendmsg+0xcd/0x170 [ 561.559708][ T10] do_syscall_64+0xc6/0x1e0 [ 561.559708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.559708][ T10] [ 561.561404][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 561.561755][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 561.561755][ T10] netdev_get_by_index+0x5e/0x80 [ 561.561755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.561755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.561755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.561755][ T10] ipv6_add_addr+0x411/0x2000 [ 561.561755][ T10] inet6_addr_add+0x30e/0xa40 [ 561.561755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.561755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.561755][ T10] netlink_rcv_skb+0x130/0x360 [ 561.561755][ T10] netlink_unicast+0x449/0x710 [ 561.561755][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.561755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.561755][ T10] ___sys_sendmsg+0xee/0x170 [ 561.561755][ T10] __sys_sendmsg+0xcd/0x170 [ 561.561755][ T10] do_syscall_64+0xc6/0x1e0 [ 561.561755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.561755][ T10] [ 561.563752][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 561.563752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.563752][ T10] ipv6_find_idev+0x102/0x170 [ 561.563752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.563752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.563752][ T10] netlink_rcv_skb+0x130/0x360 [ 561.563752][ T10] netlink_unicast+0x449/0x710 [ 561.563752][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.563752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.563752][ T10] ___sys_sendmsg+0xee/0x170 [ 561.563752][ T10] __sys_sendmsg+0xcd/0x170 [ 561.563752][ T10] do_syscall_64+0xc6/0x1e0 [ 561.563752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.563752][ T10] [ 561.565293][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 561.565293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.565293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.565293][ T10] ipv6_find_idev+0x102/0x170 [ 561.565293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.565293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.565293][ T10] netlink_rcv_skb+0x130/0x360 [ 561.565293][ T10] netlink_unicast+0x449/0x710 [ 561.565293][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.565293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.565293][ T10] ___sys_sendmsg+0xee/0x170 [ 561.565293][ T10] __sys_sendmsg+0xcd/0x170 [ 561.565293][ T10] do_syscall_64+0xc6/0x1e0 [ 561.565293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.565293][ T10] [ 561.566982][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 561.567249][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 561.567249][ T10] netdev_get_by_index+0x5e/0x80 [ 561.567249][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.567249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.567249][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.567249][ T10] ipv6_add_addr+0x411/0x2000 [ 561.567249][ T10] inet6_addr_add+0x30e/0xa40 [ 561.567249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.567249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.567249][ T10] netlink_rcv_skb+0x130/0x360 [ 561.567249][ T10] netlink_unicast+0x449/0x710 [ 561.567249][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.567249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.567249][ T10] ___sys_sendmsg+0xee/0x170 [ 561.567249][ T10] __sys_sendmsg+0xcd/0x170 [ 561.567249][ T10] do_syscall_64+0xc6/0x1e0 [ 561.567249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.567249][ T10] [ 561.569278][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 561.569278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.569278][ T10] ipv6_find_idev+0x102/0x170 [ 561.569278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.569278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.569278][ T10] netlink_rcv_skb+0x130/0x360 [ 561.569278][ T10] netlink_unicast+0x449/0x710 [ 561.569278][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.569278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.569278][ T10] ___sys_sendmsg+0xee/0x170 [ 561.569278][ T10] __sys_sendmsg+0xcd/0x170 [ 561.569278][ T10] do_syscall_64+0xc6/0x1e0 [ 561.569278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.569278][ T10] [ 561.570854][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 561.570854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.570854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.570854][ T10] ipv6_find_idev+0x102/0x170 [ 561.570854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.570854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.570854][ T10] netlink_rcv_skb+0x130/0x360 [ 561.570854][ T10] netlink_unicast+0x449/0x710 [ 561.570854][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.570854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.570854][ T10] ___sys_sendmsg+0xee/0x170 [ 561.570854][ T10] __sys_sendmsg+0xcd/0x170 [ 561.570854][ T10] do_syscall_64+0xc6/0x1e0 [ 561.570854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.570854][ T10] [ 561.572983][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 561.573257][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 561.573257][ T10] netdev_get_by_index+0x5e/0x80 [ 561.573257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.573257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.573257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.573257][ T10] ipv6_add_addr+0x411/0x2000 [ 561.573257][ T10] inet6_addr_add+0x30e/0xa40 [ 561.573257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.573257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.573257][ T10] netlink_rcv_skb+0x130/0x360 [ 561.573257][ T10] netlink_unicast+0x449/0x710 [ 561.573257][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.573257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.573257][ T10] ___sys_sendmsg+0xee/0x170 [ 561.573257][ T10] __sys_sendmsg+0xcd/0x170 [ 561.573257][ T10] do_syscall_64+0xc6/0x1e0 [ 561.573257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.573257][ T10] [ 561.575263][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 561.575263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.575263][ T10] ipv6_find_idev+0x102/0x170 [ 561.575263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.575263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.575263][ T10] netlink_rcv_skb+0x130/0x360 [ 561.575263][ T10] netlink_unicast+0x449/0x710 [ 561.575263][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.575263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.575263][ T10] ___sys_sendmsg+0xee/0x170 [ 561.575263][ T10] __sys_sendmsg+0xcd/0x170 [ 561.575263][ T10] do_syscall_64+0xc6/0x1e0 [ 561.575263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.575263][ T10] [ 561.576819][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 561.576819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.576819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.576819][ T10] ipv6_find_idev+0x102/0x170 [ 561.576819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.576819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.576819][ T10] netlink_rcv_skb+0x130/0x360 [ 561.576819][ T10] netlink_unicast+0x449/0x710 [ 561.576819][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.576819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.576819][ T10] ___sys_sendmsg+0xee/0x170 [ 561.576819][ T10] __sys_sendmsg+0xcd/0x170 [ 561.576819][ T10] do_syscall_64+0xc6/0x1e0 [ 561.576819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.576819][ T10] [ 561.578567][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 561.578885][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 561.578885][ T10] netdev_get_by_index+0x5e/0x80 [ 561.578885][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.578885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.578885][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.578885][ T10] ipv6_add_addr+0x411/0x2000 [ 561.578885][ T10] inet6_addr_add+0x30e/0xa40 [ 561.578885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.578885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.578885][ T10] netlink_rcv_skb+0x130/0x360 [ 561.578885][ T10] netlink_unicast+0x449/0x710 [ 561.578885][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.578885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.578885][ T10] ___sys_sendmsg+0xee/0x170 [ 561.578885][ T10] __sys_sendmsg+0xcd/0x170 [ 561.578885][ T10] do_syscall_64+0xc6/0x1e0 [ 561.578885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.578885][ T10] [ 561.581043][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 561.581043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.581043][ T10] ipv6_find_idev+0x102/0x170 [ 561.581043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.581043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.581043][ T10] netlink_rcv_skb+0x130/0x360 [ 561.581043][ T10] netlink_unicast+0x449/0x710 [ 561.581043][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.581043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.581043][ T10] ___sys_sendmsg+0xee/0x170 [ 561.581043][ T10] __sys_sendmsg+0xcd/0x170 [ 561.581043][ T10] do_syscall_64+0xc6/0x1e0 [ 561.581043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.581043][ T10] [ 561.582781][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 561.582781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.582781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.582781][ T10] ipv6_find_idev+0x102/0x170 [ 561.582781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.582781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.582781][ T10] netlink_rcv_skb+0x130/0x360 [ 561.582781][ T10] netlink_unicast+0x449/0x710 [ 561.582781][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.582781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.582781][ T10] ___sys_sendmsg+0xee/0x170 [ 561.582781][ T10] __sys_sendmsg+0xcd/0x170 [ 561.582781][ T10] do_syscall_64+0xc6/0x1e0 [ 561.582781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.582781][ T10] [ 561.584699][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 561.585022][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 561.585022][ T10] netdev_get_by_index+0x5e/0x80 [ 561.585022][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.585022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.585022][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.585022][ T10] ipv6_add_addr+0x411/0x2000 [ 561.585022][ T10] inet6_addr_add+0x30e/0xa40 [ 561.585022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.585022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.585022][ T10] netlink_rcv_skb+0x130/0x360 [ 561.585022][ T10] netlink_unicast+0x449/0x710 [ 561.585022][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.585022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.585022][ T10] ___sys_sendmsg+0xee/0x170 [ 561.585022][ T10] __sys_sendmsg+0xcd/0x170 [ 561.585022][ T10] do_syscall_64+0xc6/0x1e0 [ 561.585022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.585022][ T10] [ 561.587611][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 561.587611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.587611][ T10] ipv6_find_idev+0x102/0x170 [ 561.587611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.587611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.587611][ T10] netlink_rcv_skb+0x130/0x360 [ 561.587611][ T10] netlink_unicast+0x449/0x710 [ 561.587611][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.587611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.587611][ T10] ___sys_sendmsg+0xee/0x170 [ 561.587611][ T10] __sys_sendmsg+0xcd/0x170 [ 561.587611][ T10] do_syscall_64+0xc6/0x1e0 [ 561.587611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.587611][ T10] [ 561.589340][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 561.589340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.589340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.589340][ T10] ipv6_find_idev+0x102/0x170 [ 561.589340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.589340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.589340][ T10] netlink_rcv_skb+0x130/0x360 [ 561.589340][ T10] netlink_unicast+0x449/0x710 [ 561.589340][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.589340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.589340][ T10] ___sys_sendmsg+0xee/0x170 [ 561.589340][ T10] __sys_sendmsg+0xcd/0x170 [ 561.589340][ T10] do_syscall_64+0xc6/0x1e0 [ 561.589340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.589340][ T10] [ 561.591376][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 561.591644][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 561.591644][ T10] netdev_get_by_index+0x5e/0x80 [ 561.591644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 561.591644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 561.591644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 561.591644][ T10] ipv6_add_addr+0x411/0x2000 [ 561.591644][ T10] inet6_addr_add+0x30e/0xa40 [ 561.591644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 561.591644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.591644][ T10] netlink_rcv_skb+0x130/0x360 [ 561.591644][ T10] netlink_unicast+0x449/0x710 [ 561.591644][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.591644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.591644][ T10] ___sys_sendmsg+0xee/0x170 [ 561.591644][ T10] __sys_sendmsg+0xcd/0x170 [ 561.591644][ T10] do_syscall_64+0xc6/0x1e0 [ 561.591644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.591644][ T10] [ 561.593841][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 561.593841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 561.593841][ T10] ipv6_find_idev+0x102/0x170 [ 561.593841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.593841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.593841][ T10] netlink_rcv_skb+0x130/0x360 [ 561.593841][ T10] netlink_unicast+0x449/0x710 [ 561.593841][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.593841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.593841][ T10] ___sys_sendmsg+0xee/0x170 [ 561.593841][ T10] __sys_sendmsg+0xcd/0x170 [ 561.593841][ T10] do_syscall_64+0xc6/0x1e0 [ 561.593841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.593841][ T10] [ 561.595566][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 561.595566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 561.595566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 561.595566][ T10] ipv6_find_idev+0x102/0x170 [ 561.595566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 561.595566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 561.595566][ T10] netlink_rcv_skb+0x130/0x360 [ 561.595566][ T10] netlink_unicast+0x449/0x710 [ 561.595566][ T10] netlink_sendmsg+0x723/0xbe0 [ 561.595566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 561.595566][ T10] ___sys_sendmsg+0xee/0x170 [ 561.595566][ T10] __sys_sendmsg+0xcd/0x170 [ 561.595566][ T10] do_syscall_64+0xc6/0x1e0 [ 561.595566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 561.595566][ T10] [ 571.733883][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 571.734373][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 571.734373][ T10] netdev_get_by_index+0x5e/0x80 [ 571.734373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.734373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.734373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.734373][ T10] ipv6_add_addr+0x411/0x2000 [ 571.734373][ T10] inet6_addr_add+0x30e/0xa40 [ 571.734373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.734373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.734373][ T10] netlink_rcv_skb+0x130/0x360 [ 571.734373][ T10] netlink_unicast+0x449/0x710 [ 571.734373][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.734373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.734373][ T10] ___sys_sendmsg+0xee/0x170 [ 571.734373][ T10] __sys_sendmsg+0xcd/0x170 [ 571.734373][ T10] do_syscall_64+0xc6/0x1e0 [ 571.734373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.734373][ T10] [ 571.736403][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 571.736403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.736403][ T10] ipv6_find_idev+0x102/0x170 [ 571.736403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.736403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.736403][ T10] netlink_rcv_skb+0x130/0x360 [ 571.736403][ T10] netlink_unicast+0x449/0x710 [ 571.736403][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.736403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.736403][ T10] ___sys_sendmsg+0xee/0x170 [ 571.736403][ T10] __sys_sendmsg+0xcd/0x170 [ 571.736403][ T10] do_syscall_64+0xc6/0x1e0 [ 571.736403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.736403][ T10] [ 571.737936][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 571.737936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.737936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.737936][ T10] ipv6_find_idev+0x102/0x170 [ 571.737936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.737936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.737936][ T10] netlink_rcv_skb+0x130/0x360 [ 571.737936][ T10] netlink_unicast+0x449/0x710 [ 571.737936][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.737936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.737936][ T10] ___sys_sendmsg+0xee/0x170 [ 571.737936][ T10] __sys_sendmsg+0xcd/0x170 [ 571.737936][ T10] do_syscall_64+0xc6/0x1e0 [ 571.737936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.737936][ T10] [ 571.739656][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 571.739945][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 571.739945][ T10] netdev_get_by_index+0x5e/0x80 [ 571.739945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.739945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.739945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.739945][ T10] ipv6_add_addr+0x411/0x2000 [ 571.739945][ T10] inet6_addr_add+0x30e/0xa40 [ 571.739945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.739945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.739945][ T10] netlink_rcv_skb+0x130/0x360 [ 571.739945][ T10] netlink_unicast+0x449/0x710 [ 571.739945][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.739945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.739945][ T10] ___sys_sendmsg+0xee/0x170 [ 571.739945][ T10] __sys_sendmsg+0xcd/0x170 [ 571.739945][ T10] do_syscall_64+0xc6/0x1e0 [ 571.739945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.739945][ T10] [ 571.741927][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 571.741927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.741927][ T10] ipv6_find_idev+0x102/0x170 [ 571.741927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.741927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.741927][ T10] netlink_rcv_skb+0x130/0x360 [ 571.741927][ T10] netlink_unicast+0x449/0x710 [ 571.741927][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.741927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.741927][ T10] ___sys_sendmsg+0xee/0x170 [ 571.741927][ T10] __sys_sendmsg+0xcd/0x170 [ 571.741927][ T10] do_syscall_64+0xc6/0x1e0 [ 571.741927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.741927][ T10] [ 571.743456][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 571.743456][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.743456][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.743456][ T10] ipv6_find_idev+0x102/0x170 [ 571.743456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.743456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.743456][ T10] netlink_rcv_skb+0x130/0x360 [ 571.743456][ T10] netlink_unicast+0x449/0x710 [ 571.743456][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.743456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.743456][ T10] ___sys_sendmsg+0xee/0x170 [ 571.743456][ T10] __sys_sendmsg+0xcd/0x170 [ 571.743456][ T10] do_syscall_64+0xc6/0x1e0 [ 571.743456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.743456][ T10] [ 571.745135][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 571.745398][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 571.745398][ T10] netdev_get_by_index+0x5e/0x80 [ 571.745398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.745398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.745398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.745398][ T10] ipv6_add_addr+0x411/0x2000 [ 571.745398][ T10] inet6_addr_add+0x30e/0xa40 [ 571.745398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.745398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.745398][ T10] netlink_rcv_skb+0x130/0x360 [ 571.745398][ T10] netlink_unicast+0x449/0x710 [ 571.745398][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.745398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.745398][ T10] ___sys_sendmsg+0xee/0x170 [ 571.745398][ T10] __sys_sendmsg+0xcd/0x170 [ 571.745398][ T10] do_syscall_64+0xc6/0x1e0 [ 571.745398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.745398][ T10] [ 571.747369][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 571.747369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.747369][ T10] ipv6_find_idev+0x102/0x170 [ 571.747369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.747369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.747369][ T10] netlink_rcv_skb+0x130/0x360 [ 571.747369][ T10] netlink_unicast+0x449/0x710 [ 571.747369][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.747369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.747369][ T10] ___sys_sendmsg+0xee/0x170 [ 571.747369][ T10] __sys_sendmsg+0xcd/0x170 [ 571.747369][ T10] do_syscall_64+0xc6/0x1e0 [ 571.747369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.747369][ T10] [ 571.748887][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 571.748887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.748887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.748887][ T10] ipv6_find_idev+0x102/0x170 [ 571.748887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.748887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.748887][ T10] netlink_rcv_skb+0x130/0x360 [ 571.748887][ T10] netlink_unicast+0x449/0x710 [ 571.748887][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.748887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.748887][ T10] ___sys_sendmsg+0xee/0x170 [ 571.748887][ T10] __sys_sendmsg+0xcd/0x170 [ 571.748887][ T10] do_syscall_64+0xc6/0x1e0 [ 571.748887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.748887][ T10] [ 571.750559][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 571.751274][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 571.751274][ T10] netdev_get_by_index+0x5e/0x80 [ 571.751274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.751274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.751274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.751274][ T10] ipv6_add_addr+0x411/0x2000 [ 571.751274][ T10] inet6_addr_add+0x30e/0xa40 [ 571.751274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.751274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.751274][ T10] netlink_rcv_skb+0x130/0x360 [ 571.751274][ T10] netlink_unicast+0x449/0x710 [ 571.751274][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.751274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.751274][ T10] ___sys_sendmsg+0xee/0x170 [ 571.751274][ T10] __sys_sendmsg+0xcd/0x170 [ 571.751274][ T10] do_syscall_64+0xc6/0x1e0 [ 571.751274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.751274][ T10] [ 571.753363][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 571.753363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.753363][ T10] ipv6_find_idev+0x102/0x170 [ 571.753363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.753363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.753363][ T10] netlink_rcv_skb+0x130/0x360 [ 571.753363][ T10] netlink_unicast+0x449/0x710 [ 571.753363][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.753363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.753363][ T10] ___sys_sendmsg+0xee/0x170 [ 571.753363][ T10] __sys_sendmsg+0xcd/0x170 [ 571.753363][ T10] do_syscall_64+0xc6/0x1e0 [ 571.753363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.753363][ T10] [ 571.754883][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 571.754883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.754883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.754883][ T10] ipv6_find_idev+0x102/0x170 [ 571.754883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.754883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.754883][ T10] netlink_rcv_skb+0x130/0x360 [ 571.754883][ T10] netlink_unicast+0x449/0x710 [ 571.754883][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.754883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.754883][ T10] ___sys_sendmsg+0xee/0x170 [ 571.754883][ T10] __sys_sendmsg+0xcd/0x170 [ 571.754883][ T10] do_syscall_64+0xc6/0x1e0 [ 571.754883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.754883][ T10] [ 571.756603][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 571.756920][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 571.756920][ T10] netdev_get_by_index+0x5e/0x80 [ 571.756920][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.756920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.756920][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.756920][ T10] ipv6_add_addr+0x411/0x2000 [ 571.756920][ T10] inet6_addr_add+0x30e/0xa40 [ 571.756920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.756920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.756920][ T10] netlink_rcv_skb+0x130/0x360 [ 571.756920][ T10] netlink_unicast+0x449/0x710 [ 571.756920][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.756920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.756920][ T10] ___sys_sendmsg+0xee/0x170 [ 571.756920][ T10] __sys_sendmsg+0xcd/0x170 [ 571.756920][ T10] do_syscall_64+0xc6/0x1e0 [ 571.756920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.756920][ T10] [ 571.758918][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 571.758918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.758918][ T10] ipv6_find_idev+0x102/0x170 [ 571.758918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.758918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.758918][ T10] netlink_rcv_skb+0x130/0x360 [ 571.758918][ T10] netlink_unicast+0x449/0x710 [ 571.758918][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.758918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.758918][ T10] ___sys_sendmsg+0xee/0x170 [ 571.758918][ T10] __sys_sendmsg+0xcd/0x170 [ 571.758918][ T10] do_syscall_64+0xc6/0x1e0 [ 571.758918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.758918][ T10] [ 571.760459][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 571.760459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.760459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.760459][ T10] ipv6_find_idev+0x102/0x170 [ 571.760459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.760459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.760459][ T10] netlink_rcv_skb+0x130/0x360 [ 571.760459][ T10] netlink_unicast+0x449/0x710 [ 571.760459][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.760459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.760459][ T10] ___sys_sendmsg+0xee/0x170 [ 571.760459][ T10] __sys_sendmsg+0xcd/0x170 [ 571.760459][ T10] do_syscall_64+0xc6/0x1e0 [ 571.760459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.760459][ T10] [ 571.762182][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 571.762444][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 571.762444][ T10] netdev_get_by_index+0x5e/0x80 [ 571.762444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.762444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.762444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.762444][ T10] ipv6_add_addr+0x411/0x2000 [ 571.762444][ T10] inet6_addr_add+0x30e/0xa40 [ 571.762444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.762444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.762444][ T10] netlink_rcv_skb+0x130/0x360 [ 571.762444][ T10] netlink_unicast+0x449/0x710 [ 571.762444][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.762444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.762444][ T10] ___sys_sendmsg+0xee/0x170 [ 571.762444][ T10] __sys_sendmsg+0xcd/0x170 [ 571.762444][ T10] do_syscall_64+0xc6/0x1e0 [ 571.762444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.762444][ T10] [ 571.764568][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 571.764568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.764568][ T10] ipv6_find_idev+0x102/0x170 [ 571.764568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.764568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.764568][ T10] netlink_rcv_skb+0x130/0x360 [ 571.764568][ T10] netlink_unicast+0x449/0x710 [ 571.764568][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.764568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.764568][ T10] ___sys_sendmsg+0xee/0x170 [ 571.764568][ T10] __sys_sendmsg+0xcd/0x170 [ 571.764568][ T10] do_syscall_64+0xc6/0x1e0 [ 571.764568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.764568][ T10] [ 571.766345][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 571.766345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.766345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.766345][ T10] ipv6_find_idev+0x102/0x170 [ 571.766345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.766345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.766345][ T10] netlink_rcv_skb+0x130/0x360 [ 571.766345][ T10] netlink_unicast+0x449/0x710 [ 571.766345][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.766345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.766345][ T10] ___sys_sendmsg+0xee/0x170 [ 571.766345][ T10] __sys_sendmsg+0xcd/0x170 [ 571.766345][ T10] do_syscall_64+0xc6/0x1e0 [ 571.766345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.766345][ T10] [ 571.768232][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 571.768501][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 571.768501][ T10] netdev_get_by_index+0x5e/0x80 [ 571.768501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.768501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.768501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.768501][ T10] ipv6_add_addr+0x411/0x2000 [ 571.768501][ T10] inet6_addr_add+0x30e/0xa40 [ 571.768501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.768501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.768501][ T10] netlink_rcv_skb+0x130/0x360 [ 571.768501][ T10] netlink_unicast+0x449/0x710 [ 571.768501][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.768501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.768501][ T10] ___sys_sendmsg+0xee/0x170 [ 571.768501][ T10] __sys_sendmsg+0xcd/0x170 [ 571.768501][ T10] do_syscall_64+0xc6/0x1e0 [ 571.768501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.768501][ T10] [ 571.770668][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 571.770668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.770668][ T10] ipv6_find_idev+0x102/0x170 [ 571.770668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.770668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.770668][ T10] netlink_rcv_skb+0x130/0x360 [ 571.770668][ T10] netlink_unicast+0x449/0x710 [ 571.770668][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.770668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.770668][ T10] ___sys_sendmsg+0xee/0x170 [ 571.770668][ T10] __sys_sendmsg+0xcd/0x170 [ 571.770668][ T10] do_syscall_64+0xc6/0x1e0 [ 571.770668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.770668][ T10] [ 571.772369][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 571.772369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.772369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.772369][ T10] ipv6_find_idev+0x102/0x170 [ 571.772369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.772369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.772369][ T10] netlink_rcv_skb+0x130/0x360 [ 571.772369][ T10] netlink_unicast+0x449/0x710 [ 571.772369][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.772369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.772369][ T10] ___sys_sendmsg+0xee/0x170 [ 571.772369][ T10] __sys_sendmsg+0xcd/0x170 [ 571.772369][ T10] do_syscall_64+0xc6/0x1e0 [ 571.772369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.772369][ T10] [ 571.774251][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 571.774560][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 571.774560][ T10] netdev_get_by_index+0x5e/0x80 [ 571.774560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 571.774560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 571.774560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 571.774560][ T10] ipv6_add_addr+0x411/0x2000 [ 571.774560][ T10] inet6_addr_add+0x30e/0xa40 [ 571.774560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 571.774560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.774560][ T10] netlink_rcv_skb+0x130/0x360 [ 571.774560][ T10] netlink_unicast+0x449/0x710 [ 571.774560][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.774560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.774560][ T10] ___sys_sendmsg+0xee/0x170 [ 571.774560][ T10] __sys_sendmsg+0xcd/0x170 [ 571.774560][ T10] do_syscall_64+0xc6/0x1e0 [ 571.774560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.774560][ T10] [ 571.776807][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 571.776807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 571.776807][ T10] ipv6_find_idev+0x102/0x170 [ 571.776807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.776807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.776807][ T10] netlink_rcv_skb+0x130/0x360 [ 571.776807][ T10] netlink_unicast+0x449/0x710 [ 571.776807][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.776807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.776807][ T10] ___sys_sendmsg+0xee/0x170 [ 571.776807][ T10] __sys_sendmsg+0xcd/0x170 [ 571.776807][ T10] do_syscall_64+0xc6/0x1e0 [ 571.776807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.776807][ T10] [ 571.778521][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 571.778521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 571.778521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 571.778521][ T10] ipv6_find_idev+0x102/0x170 [ 571.778521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 571.778521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 571.778521][ T10] netlink_rcv_skb+0x130/0x360 [ 571.778521][ T10] netlink_unicast+0x449/0x710 [ 571.778521][ T10] netlink_sendmsg+0x723/0xbe0 [ 571.778521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 571.778521][ T10] ___sys_sendmsg+0xee/0x170 [ 571.778521][ T10] __sys_sendmsg+0xcd/0x170 [ 571.778521][ T10] do_syscall_64+0xc6/0x1e0 [ 571.778521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 571.778521][ T10] [ 581.845900][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 581.846401][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 581.846401][ T10] netdev_get_by_index+0x5e/0x80 [ 581.846401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.846401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.846401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.846401][ T10] ipv6_add_addr+0x411/0x2000 [ 581.846401][ T10] inet6_addr_add+0x30e/0xa40 [ 581.846401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.846401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.846401][ T10] netlink_rcv_skb+0x130/0x360 [ 581.846401][ T10] netlink_unicast+0x449/0x710 [ 581.846401][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.846401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.846401][ T10] ___sys_sendmsg+0xee/0x170 [ 581.846401][ T10] __sys_sendmsg+0xcd/0x170 [ 581.846401][ T10] do_syscall_64+0xc6/0x1e0 [ 581.846401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.846401][ T10] [ 581.848397][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 581.848397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.848397][ T10] ipv6_find_idev+0x102/0x170 [ 581.848397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.848397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.848397][ T10] netlink_rcv_skb+0x130/0x360 [ 581.848397][ T10] netlink_unicast+0x449/0x710 [ 581.848397][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.848397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.848397][ T10] ___sys_sendmsg+0xee/0x170 [ 581.848397][ T10] __sys_sendmsg+0xcd/0x170 [ 581.848397][ T10] do_syscall_64+0xc6/0x1e0 [ 581.848397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.848397][ T10] [ 581.849932][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 581.849932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.849932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.849932][ T10] ipv6_find_idev+0x102/0x170 [ 581.849932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.849932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.849932][ T10] netlink_rcv_skb+0x130/0x360 [ 581.849932][ T10] netlink_unicast+0x449/0x710 [ 581.849932][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.849932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.849932][ T10] ___sys_sendmsg+0xee/0x170 [ 581.849932][ T10] __sys_sendmsg+0xcd/0x170 [ 581.849932][ T10] do_syscall_64+0xc6/0x1e0 [ 581.849932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.849932][ T10] [ 581.851617][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 581.851907][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 581.851907][ T10] netdev_get_by_index+0x5e/0x80 [ 581.851907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.851907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.851907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.851907][ T10] ipv6_add_addr+0x411/0x2000 [ 581.851907][ T10] inet6_addr_add+0x30e/0xa40 [ 581.851907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.851907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.851907][ T10] netlink_rcv_skb+0x130/0x360 [ 581.851907][ T10] netlink_unicast+0x449/0x710 [ 581.851907][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.851907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.851907][ T10] ___sys_sendmsg+0xee/0x170 [ 581.851907][ T10] __sys_sendmsg+0xcd/0x170 [ 581.851907][ T10] do_syscall_64+0xc6/0x1e0 [ 581.851907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.851907][ T10] [ 581.853882][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 581.853882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.853882][ T10] ipv6_find_idev+0x102/0x170 [ 581.853882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.853882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.853882][ T10] netlink_rcv_skb+0x130/0x360 [ 581.853882][ T10] netlink_unicast+0x449/0x710 [ 581.853882][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.853882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.853882][ T10] ___sys_sendmsg+0xee/0x170 [ 581.853882][ T10] __sys_sendmsg+0xcd/0x170 [ 581.853882][ T10] do_syscall_64+0xc6/0x1e0 [ 581.853882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.853882][ T10] [ 581.855408][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 581.855408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.855408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.855408][ T10] ipv6_find_idev+0x102/0x170 [ 581.855408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.855408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.855408][ T10] netlink_rcv_skb+0x130/0x360 [ 581.855408][ T10] netlink_unicast+0x449/0x710 [ 581.855408][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.855408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.855408][ T10] ___sys_sendmsg+0xee/0x170 [ 581.855408][ T10] __sys_sendmsg+0xcd/0x170 [ 581.855408][ T10] do_syscall_64+0xc6/0x1e0 [ 581.855408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.855408][ T10] [ 581.857077][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 581.857341][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 581.857341][ T10] netdev_get_by_index+0x5e/0x80 [ 581.857341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.857341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.857341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.857341][ T10] ipv6_add_addr+0x411/0x2000 [ 581.857341][ T10] inet6_addr_add+0x30e/0xa40 [ 581.857341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.857341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.857341][ T10] netlink_rcv_skb+0x130/0x360 [ 581.857341][ T10] netlink_unicast+0x449/0x710 [ 581.857341][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.857341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.857341][ T10] ___sys_sendmsg+0xee/0x170 [ 581.857341][ T10] __sys_sendmsg+0xcd/0x170 [ 581.857341][ T10] do_syscall_64+0xc6/0x1e0 [ 581.857341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.857341][ T10] [ 581.859341][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 581.859341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.859341][ T10] ipv6_find_idev+0x102/0x170 [ 581.859341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.859341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.859341][ T10] netlink_rcv_skb+0x130/0x360 [ 581.859341][ T10] netlink_unicast+0x449/0x710 [ 581.859341][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.859341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.859341][ T10] ___sys_sendmsg+0xee/0x170 [ 581.859341][ T10] __sys_sendmsg+0xcd/0x170 [ 581.859341][ T10] do_syscall_64+0xc6/0x1e0 [ 581.859341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.859341][ T10] [ 581.860868][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 581.860868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.860868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.860868][ T10] ipv6_find_idev+0x102/0x170 [ 581.860868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.860868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.860868][ T10] netlink_rcv_skb+0x130/0x360 [ 581.860868][ T10] netlink_unicast+0x449/0x710 [ 581.860868][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.860868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.860868][ T10] ___sys_sendmsg+0xee/0x170 [ 581.860868][ T10] __sys_sendmsg+0xcd/0x170 [ 581.860868][ T10] do_syscall_64+0xc6/0x1e0 [ 581.860868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.860868][ T10] [ 581.862534][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 581.862800][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 581.862800][ T10] netdev_get_by_index+0x5e/0x80 [ 581.862800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.862800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.862800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.862800][ T10] ipv6_add_addr+0x411/0x2000 [ 581.862800][ T10] inet6_addr_add+0x30e/0xa40 [ 581.862800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.862800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.862800][ T10] netlink_rcv_skb+0x130/0x360 [ 581.862800][ T10] netlink_unicast+0x449/0x710 [ 581.862800][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.862800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.862800][ T10] ___sys_sendmsg+0xee/0x170 [ 581.862800][ T10] __sys_sendmsg+0xcd/0x170 [ 581.862800][ T10] do_syscall_64+0xc6/0x1e0 [ 581.862800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.862800][ T10] [ 581.864777][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 581.864777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.864777][ T10] ipv6_find_idev+0x102/0x170 [ 581.864777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.864777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.864777][ T10] netlink_rcv_skb+0x130/0x360 [ 581.864777][ T10] netlink_unicast+0x449/0x710 [ 581.864777][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.864777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.864777][ T10] ___sys_sendmsg+0xee/0x170 [ 581.864777][ T10] __sys_sendmsg+0xcd/0x170 [ 581.864777][ T10] do_syscall_64+0xc6/0x1e0 [ 581.864777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.864777][ T10] [ 581.866443][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 581.866443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.866443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.866443][ T10] ipv6_find_idev+0x102/0x170 [ 581.866443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.866443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.866443][ T10] netlink_rcv_skb+0x130/0x360 [ 581.866443][ T10] netlink_unicast+0x449/0x710 [ 581.866443][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.866443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.866443][ T10] ___sys_sendmsg+0xee/0x170 [ 581.866443][ T10] __sys_sendmsg+0xcd/0x170 [ 581.866443][ T10] do_syscall_64+0xc6/0x1e0 [ 581.866443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.866443][ T10] [ 581.868505][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 581.868764][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 581.868764][ T10] netdev_get_by_index+0x5e/0x80 [ 581.868764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.868764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.868764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.868764][ T10] ipv6_add_addr+0x411/0x2000 [ 581.868764][ T10] inet6_addr_add+0x30e/0xa40 [ 581.868764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.868764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.868764][ T10] netlink_rcv_skb+0x130/0x360 [ 581.868764][ T10] netlink_unicast+0x449/0x710 [ 581.868764][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.868764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.868764][ T10] ___sys_sendmsg+0xee/0x170 [ 581.868764][ T10] __sys_sendmsg+0xcd/0x170 [ 581.868764][ T10] do_syscall_64+0xc6/0x1e0 [ 581.868764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.868764][ T10] [ 581.871121][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 581.871121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.871121][ T10] ipv6_find_idev+0x102/0x170 [ 581.871121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.871121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.871121][ T10] netlink_rcv_skb+0x130/0x360 [ 581.871121][ T10] netlink_unicast+0x449/0x710 [ 581.871121][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.871121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.871121][ T10] ___sys_sendmsg+0xee/0x170 [ 581.871121][ T10] __sys_sendmsg+0xcd/0x170 [ 581.871121][ T10] do_syscall_64+0xc6/0x1e0 [ 581.871121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.871121][ T10] [ 581.872635][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 581.872635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.872635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.872635][ T10] ipv6_find_idev+0x102/0x170 [ 581.872635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.872635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.872635][ T10] netlink_rcv_skb+0x130/0x360 [ 581.872635][ T10] netlink_unicast+0x449/0x710 [ 581.872635][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.872635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.872635][ T10] ___sys_sendmsg+0xee/0x170 [ 581.872635][ T10] __sys_sendmsg+0xcd/0x170 [ 581.872635][ T10] do_syscall_64+0xc6/0x1e0 [ 581.872635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.872635][ T10] [ 581.874342][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 581.874602][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 581.874602][ T10] netdev_get_by_index+0x5e/0x80 [ 581.874602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.874602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.874602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.874602][ T10] ipv6_add_addr+0x411/0x2000 [ 581.874602][ T10] inet6_addr_add+0x30e/0xa40 [ 581.874602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.874602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.874602][ T10] netlink_rcv_skb+0x130/0x360 [ 581.874602][ T10] netlink_unicast+0x449/0x710 [ 581.874602][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.874602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.874602][ T10] ___sys_sendmsg+0xee/0x170 [ 581.874602][ T10] __sys_sendmsg+0xcd/0x170 [ 581.874602][ T10] do_syscall_64+0xc6/0x1e0 [ 581.874602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.874602][ T10] [ 581.876696][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 581.876696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.876696][ T10] ipv6_find_idev+0x102/0x170 [ 581.876696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.876696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.876696][ T10] netlink_rcv_skb+0x130/0x360 [ 581.876696][ T10] netlink_unicast+0x449/0x710 [ 581.876696][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.876696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.876696][ T10] ___sys_sendmsg+0xee/0x170 [ 581.876696][ T10] __sys_sendmsg+0xcd/0x170 [ 581.876696][ T10] do_syscall_64+0xc6/0x1e0 [ 581.876696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.876696][ T10] [ 581.878450][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 581.878450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.878450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.878450][ T10] ipv6_find_idev+0x102/0x170 [ 581.878450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.878450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.878450][ T10] netlink_rcv_skb+0x130/0x360 [ 581.878450][ T10] netlink_unicast+0x449/0x710 [ 581.878450][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.878450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.878450][ T10] ___sys_sendmsg+0xee/0x170 [ 581.878450][ T10] __sys_sendmsg+0xcd/0x170 [ 581.878450][ T10] do_syscall_64+0xc6/0x1e0 [ 581.878450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.878450][ T10] [ 581.880340][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 581.880598][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 581.880598][ T10] netdev_get_by_index+0x5e/0x80 [ 581.880598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.880598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.880598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.880598][ T10] ipv6_add_addr+0x411/0x2000 [ 581.880598][ T10] inet6_addr_add+0x30e/0xa40 [ 581.880598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.880598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.880598][ T10] netlink_rcv_skb+0x130/0x360 [ 581.880598][ T10] netlink_unicast+0x449/0x710 [ 581.880598][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.880598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.880598][ T10] ___sys_sendmsg+0xee/0x170 [ 581.880598][ T10] __sys_sendmsg+0xcd/0x170 [ 581.880598][ T10] do_syscall_64+0xc6/0x1e0 [ 581.880598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.880598][ T10] [ 581.882752][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 581.882752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.882752][ T10] ipv6_find_idev+0x102/0x170 [ 581.882752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.882752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.882752][ T10] netlink_rcv_skb+0x130/0x360 [ 581.882752][ T10] netlink_unicast+0x449/0x710 [ 581.882752][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.882752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.882752][ T10] ___sys_sendmsg+0xee/0x170 [ 581.882752][ T10] __sys_sendmsg+0xcd/0x170 [ 581.882752][ T10] do_syscall_64+0xc6/0x1e0 [ 581.882752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.882752][ T10] [ 581.884459][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 581.884459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.884459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.884459][ T10] ipv6_find_idev+0x102/0x170 [ 581.884459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.884459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.884459][ T10] netlink_rcv_skb+0x130/0x360 [ 581.884459][ T10] netlink_unicast+0x449/0x710 [ 581.884459][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.884459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.884459][ T10] ___sys_sendmsg+0xee/0x170 [ 581.884459][ T10] __sys_sendmsg+0xcd/0x170 [ 581.884459][ T10] do_syscall_64+0xc6/0x1e0 [ 581.884459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.884459][ T10] [ 581.886328][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 581.886586][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 581.886586][ T10] netdev_get_by_index+0x5e/0x80 [ 581.886586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 581.886586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 581.886586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 581.886586][ T10] ipv6_add_addr+0x411/0x2000 [ 581.886586][ T10] inet6_addr_add+0x30e/0xa40 [ 581.886586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 581.886586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.886586][ T10] netlink_rcv_skb+0x130/0x360 [ 581.886586][ T10] netlink_unicast+0x449/0x710 [ 581.886586][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.886586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.886586][ T10] ___sys_sendmsg+0xee/0x170 [ 581.886586][ T10] __sys_sendmsg+0xcd/0x170 [ 581.886586][ T10] do_syscall_64+0xc6/0x1e0 [ 581.886586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.886586][ T10] [ 581.889220][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 581.889220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 581.889220][ T10] ipv6_find_idev+0x102/0x170 [ 581.889220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.889220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.889220][ T10] netlink_rcv_skb+0x130/0x360 [ 581.889220][ T10] netlink_unicast+0x449/0x710 [ 581.889220][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.889220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.889220][ T10] ___sys_sendmsg+0xee/0x170 [ 581.889220][ T10] __sys_sendmsg+0xcd/0x170 [ 581.889220][ T10] do_syscall_64+0xc6/0x1e0 [ 581.889220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.889220][ T10] [ 581.890917][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 581.890917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 581.890917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 581.890917][ T10] ipv6_find_idev+0x102/0x170 [ 581.890917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 581.890917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 581.890917][ T10] netlink_rcv_skb+0x130/0x360 [ 581.890917][ T10] netlink_unicast+0x449/0x710 [ 581.890917][ T10] netlink_sendmsg+0x723/0xbe0 [ 581.890917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 581.890917][ T10] ___sys_sendmsg+0xee/0x170 [ 581.890917][ T10] __sys_sendmsg+0xcd/0x170 [ 581.890917][ T10] do_syscall_64+0xc6/0x1e0 [ 581.890917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 581.890917][ T10] [ 591.957934][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 591.958442][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 591.958442][ T10] netdev_get_by_index+0x5e/0x80 [ 591.958442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.958442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.958442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.958442][ T10] ipv6_add_addr+0x411/0x2000 [ 591.958442][ T10] inet6_addr_add+0x30e/0xa40 [ 591.958442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.958442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.958442][ T10] netlink_rcv_skb+0x130/0x360 [ 591.958442][ T10] netlink_unicast+0x449/0x710 [ 591.958442][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.958442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.958442][ T10] ___sys_sendmsg+0xee/0x170 [ 591.958442][ T10] __sys_sendmsg+0xcd/0x170 [ 591.958442][ T10] do_syscall_64+0xc6/0x1e0 [ 591.958442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.958442][ T10] [ 591.960476][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 591.960476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.960476][ T10] ipv6_find_idev+0x102/0x170 [ 591.960476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.960476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.960476][ T10] netlink_rcv_skb+0x130/0x360 [ 591.960476][ T10] netlink_unicast+0x449/0x710 [ 591.960476][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.960476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.960476][ T10] ___sys_sendmsg+0xee/0x170 [ 591.960476][ T10] __sys_sendmsg+0xcd/0x170 [ 591.960476][ T10] do_syscall_64+0xc6/0x1e0 [ 591.960476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.960476][ T10] [ 591.962020][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 591.962020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.962020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.962020][ T10] ipv6_find_idev+0x102/0x170 [ 591.962020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.962020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.962020][ T10] netlink_rcv_skb+0x130/0x360 [ 591.962020][ T10] netlink_unicast+0x449/0x710 [ 591.962020][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.962020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.962020][ T10] ___sys_sendmsg+0xee/0x170 [ 591.962020][ T10] __sys_sendmsg+0xcd/0x170 [ 591.962020][ T10] do_syscall_64+0xc6/0x1e0 [ 591.962020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.962020][ T10] [ 591.963719][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 591.963997][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 591.963997][ T10] netdev_get_by_index+0x5e/0x80 [ 591.963997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.963997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.963997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.963997][ T10] ipv6_add_addr+0x411/0x2000 [ 591.963997][ T10] inet6_addr_add+0x30e/0xa40 [ 591.963997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.963997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.963997][ T10] netlink_rcv_skb+0x130/0x360 [ 591.963997][ T10] netlink_unicast+0x449/0x710 [ 591.963997][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.963997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.963997][ T10] ___sys_sendmsg+0xee/0x170 [ 591.963997][ T10] __sys_sendmsg+0xcd/0x170 [ 591.963997][ T10] do_syscall_64+0xc6/0x1e0 [ 591.963997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.963997][ T10] [ 591.965972][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 591.965972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.965972][ T10] ipv6_find_idev+0x102/0x170 [ 591.965972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.965972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.965972][ T10] netlink_rcv_skb+0x130/0x360 [ 591.965972][ T10] netlink_unicast+0x449/0x710 [ 591.965972][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.965972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.965972][ T10] ___sys_sendmsg+0xee/0x170 [ 591.965972][ T10] __sys_sendmsg+0xcd/0x170 [ 591.965972][ T10] do_syscall_64+0xc6/0x1e0 [ 591.965972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.965972][ T10] [ 591.967504][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 591.967504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.967504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.967504][ T10] ipv6_find_idev+0x102/0x170 [ 591.967504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.967504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.967504][ T10] netlink_rcv_skb+0x130/0x360 [ 591.967504][ T10] netlink_unicast+0x449/0x710 [ 591.967504][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.967504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.967504][ T10] ___sys_sendmsg+0xee/0x170 [ 591.967504][ T10] __sys_sendmsg+0xcd/0x170 [ 591.967504][ T10] do_syscall_64+0xc6/0x1e0 [ 591.967504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.967504][ T10] [ 591.969198][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 591.969463][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 591.969463][ T10] netdev_get_by_index+0x5e/0x80 [ 591.969463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.969463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.969463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.969463][ T10] ipv6_add_addr+0x411/0x2000 [ 591.969463][ T10] inet6_addr_add+0x30e/0xa40 [ 591.969463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.969463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.969463][ T10] netlink_rcv_skb+0x130/0x360 [ 591.969463][ T10] netlink_unicast+0x449/0x710 [ 591.969463][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.969463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.969463][ T10] ___sys_sendmsg+0xee/0x170 [ 591.969463][ T10] __sys_sendmsg+0xcd/0x170 [ 591.969463][ T10] do_syscall_64+0xc6/0x1e0 [ 591.969463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.969463][ T10] [ 591.971448][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 591.971448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.971448][ T10] ipv6_find_idev+0x102/0x170 [ 591.971448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.971448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.971448][ T10] netlink_rcv_skb+0x130/0x360 [ 591.971448][ T10] netlink_unicast+0x449/0x710 [ 591.971448][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.971448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.971448][ T10] ___sys_sendmsg+0xee/0x170 [ 591.971448][ T10] __sys_sendmsg+0xcd/0x170 [ 591.971448][ T10] do_syscall_64+0xc6/0x1e0 [ 591.971448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.971448][ T10] [ 591.973012][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 591.973012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.973012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.973012][ T10] ipv6_find_idev+0x102/0x170 [ 591.973012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.973012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.973012][ T10] netlink_rcv_skb+0x130/0x360 [ 591.973012][ T10] netlink_unicast+0x449/0x710 [ 591.973012][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.973012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.973012][ T10] ___sys_sendmsg+0xee/0x170 [ 591.973012][ T10] __sys_sendmsg+0xcd/0x170 [ 591.973012][ T10] do_syscall_64+0xc6/0x1e0 [ 591.973012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.973012][ T10] [ 591.974704][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 591.975413][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 591.975413][ T10] netdev_get_by_index+0x5e/0x80 [ 591.975413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.975413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.975413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.975413][ T10] ipv6_add_addr+0x411/0x2000 [ 591.975413][ T10] inet6_addr_add+0x30e/0xa40 [ 591.975413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.975413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.975413][ T10] netlink_rcv_skb+0x130/0x360 [ 591.975413][ T10] netlink_unicast+0x449/0x710 [ 591.975413][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.975413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.975413][ T10] ___sys_sendmsg+0xee/0x170 [ 591.975413][ T10] __sys_sendmsg+0xcd/0x170 [ 591.975413][ T10] do_syscall_64+0xc6/0x1e0 [ 591.975413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.975413][ T10] [ 591.977389][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 591.977389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.977389][ T10] ipv6_find_idev+0x102/0x170 [ 591.977389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.977389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.977389][ T10] netlink_rcv_skb+0x130/0x360 [ 591.977389][ T10] netlink_unicast+0x449/0x710 [ 591.977389][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.977389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.977389][ T10] ___sys_sendmsg+0xee/0x170 [ 591.977389][ T10] __sys_sendmsg+0xcd/0x170 [ 591.977389][ T10] do_syscall_64+0xc6/0x1e0 [ 591.977389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.977389][ T10] [ 591.978939][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 591.978939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.978939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.978939][ T10] ipv6_find_idev+0x102/0x170 [ 591.978939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.978939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.978939][ T10] netlink_rcv_skb+0x130/0x360 [ 591.978939][ T10] netlink_unicast+0x449/0x710 [ 591.978939][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.978939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.978939][ T10] ___sys_sendmsg+0xee/0x170 [ 591.978939][ T10] __sys_sendmsg+0xcd/0x170 [ 591.978939][ T10] do_syscall_64+0xc6/0x1e0 [ 591.978939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.978939][ T10] [ 591.980650][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 591.980965][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 591.980965][ T10] netdev_get_by_index+0x5e/0x80 [ 591.980965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.980965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.980965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.980965][ T10] ipv6_add_addr+0x411/0x2000 [ 591.980965][ T10] inet6_addr_add+0x30e/0xa40 [ 591.980965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.980965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.980965][ T10] netlink_rcv_skb+0x130/0x360 [ 591.980965][ T10] netlink_unicast+0x449/0x710 [ 591.980965][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.980965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.980965][ T10] ___sys_sendmsg+0xee/0x170 [ 591.980965][ T10] __sys_sendmsg+0xcd/0x170 [ 591.980965][ T10] do_syscall_64+0xc6/0x1e0 [ 591.980965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.980965][ T10] [ 591.982964][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 591.982964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.982964][ T10] ipv6_find_idev+0x102/0x170 [ 591.982964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.982964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.982964][ T10] netlink_rcv_skb+0x130/0x360 [ 591.982964][ T10] netlink_unicast+0x449/0x710 [ 591.982964][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.982964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.982964][ T10] ___sys_sendmsg+0xee/0x170 [ 591.982964][ T10] __sys_sendmsg+0xcd/0x170 [ 591.982964][ T10] do_syscall_64+0xc6/0x1e0 [ 591.982964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.982964][ T10] [ 591.984511][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 591.984511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.984511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.984511][ T10] ipv6_find_idev+0x102/0x170 [ 591.984511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.984511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.984511][ T10] netlink_rcv_skb+0x130/0x360 [ 591.984511][ T10] netlink_unicast+0x449/0x710 [ 591.984511][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.984511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.984511][ T10] ___sys_sendmsg+0xee/0x170 [ 591.984511][ T10] __sys_sendmsg+0xcd/0x170 [ 591.984511][ T10] do_syscall_64+0xc6/0x1e0 [ 591.984511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.984511][ T10] [ 591.986216][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 591.986476][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 591.986476][ T10] netdev_get_by_index+0x5e/0x80 [ 591.986476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.986476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.986476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.986476][ T10] ipv6_add_addr+0x411/0x2000 [ 591.986476][ T10] inet6_addr_add+0x30e/0xa40 [ 591.986476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.986476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.986476][ T10] netlink_rcv_skb+0x130/0x360 [ 591.986476][ T10] netlink_unicast+0x449/0x710 [ 591.986476][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.986476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.986476][ T10] ___sys_sendmsg+0xee/0x170 [ 591.986476][ T10] __sys_sendmsg+0xcd/0x170 [ 591.986476][ T10] do_syscall_64+0xc6/0x1e0 [ 591.986476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.986476][ T10] [ 591.988514][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 591.988514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.988514][ T10] ipv6_find_idev+0x102/0x170 [ 591.988514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.988514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.988514][ T10] netlink_rcv_skb+0x130/0x360 [ 591.988514][ T10] netlink_unicast+0x449/0x710 [ 591.988514][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.988514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.988514][ T10] ___sys_sendmsg+0xee/0x170 [ 591.988514][ T10] __sys_sendmsg+0xcd/0x170 [ 591.988514][ T10] do_syscall_64+0xc6/0x1e0 [ 591.988514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.988514][ T10] [ 591.990286][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 591.990286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.990286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.990286][ T10] ipv6_find_idev+0x102/0x170 [ 591.990286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.990286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.990286][ T10] netlink_rcv_skb+0x130/0x360 [ 591.990286][ T10] netlink_unicast+0x449/0x710 [ 591.990286][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.990286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.990286][ T10] ___sys_sendmsg+0xee/0x170 [ 591.990286][ T10] __sys_sendmsg+0xcd/0x170 [ 591.990286][ T10] do_syscall_64+0xc6/0x1e0 [ 591.990286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.990286][ T10] [ 591.992171][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 591.992438][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 591.992438][ T10] netdev_get_by_index+0x5e/0x80 [ 591.992438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.992438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.992438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.992438][ T10] ipv6_add_addr+0x411/0x2000 [ 591.992438][ T10] inet6_addr_add+0x30e/0xa40 [ 591.992438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.992438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.992438][ T10] netlink_rcv_skb+0x130/0x360 [ 591.992438][ T10] netlink_unicast+0x449/0x710 [ 591.992438][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.992438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.992438][ T10] ___sys_sendmsg+0xee/0x170 [ 591.992438][ T10] __sys_sendmsg+0xcd/0x170 [ 591.992438][ T10] do_syscall_64+0xc6/0x1e0 [ 591.992438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.992438][ T10] [ 591.994576][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 591.994576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.994576][ T10] ipv6_find_idev+0x102/0x170 [ 591.994576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.994576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.994576][ T10] netlink_rcv_skb+0x130/0x360 [ 591.994576][ T10] netlink_unicast+0x449/0x710 [ 591.994576][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.994576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.994576][ T10] ___sys_sendmsg+0xee/0x170 [ 591.994576][ T10] __sys_sendmsg+0xcd/0x170 [ 591.994576][ T10] do_syscall_64+0xc6/0x1e0 [ 591.994576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.994576][ T10] [ 591.996270][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 591.996270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.996270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.996270][ T10] ipv6_find_idev+0x102/0x170 [ 591.996270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.996270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.996270][ T10] netlink_rcv_skb+0x130/0x360 [ 591.996270][ T10] netlink_unicast+0x449/0x710 [ 591.996270][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.996270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.996270][ T10] ___sys_sendmsg+0xee/0x170 [ 591.996270][ T10] __sys_sendmsg+0xcd/0x170 [ 591.996270][ T10] do_syscall_64+0xc6/0x1e0 [ 591.996270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.996270][ T10] [ 591.998146][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 591.998453][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 591.998453][ T10] netdev_get_by_index+0x5e/0x80 [ 591.998453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 591.998453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.998453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 591.998453][ T10] ipv6_add_addr+0x411/0x2000 [ 591.998453][ T10] inet6_addr_add+0x30e/0xa40 [ 591.998453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.998453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.998453][ T10] netlink_rcv_skb+0x130/0x360 [ 591.998453][ T10] netlink_unicast+0x449/0x710 [ 591.998453][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.998453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.998453][ T10] ___sys_sendmsg+0xee/0x170 [ 591.998453][ T10] __sys_sendmsg+0xcd/0x170 [ 591.998453][ T10] do_syscall_64+0xc6/0x1e0 [ 591.998453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.998453][ T10] [ 592.000700][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 592.000700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 592.000700][ T10] ipv6_find_idev+0x102/0x170 [ 592.000700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 592.000700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 592.000700][ T10] netlink_rcv_skb+0x130/0x360 [ 592.000700][ T10] netlink_unicast+0x449/0x710 [ 592.000700][ T10] netlink_sendmsg+0x723/0xbe0 [ 592.000700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 592.000700][ T10] ___sys_sendmsg+0xee/0x170 [ 592.000700][ T10] __sys_sendmsg+0xcd/0x170 [ 592.000700][ T10] do_syscall_64+0xc6/0x1e0 [ 592.000700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 592.000700][ T10] [ 592.002401][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 592.002401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 592.002401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 592.002401][ T10] ipv6_find_idev+0x102/0x170 [ 592.002401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 592.002401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 592.002401][ T10] netlink_rcv_skb+0x130/0x360 [ 592.002401][ T10] netlink_unicast+0x449/0x710 [ 592.002401][ T10] netlink_sendmsg+0x723/0xbe0 [ 592.002401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 592.002401][ T10] ___sys_sendmsg+0xee/0x170 [ 592.002401][ T10] __sys_sendmsg+0xcd/0x170 [ 592.002401][ T10] do_syscall_64+0xc6/0x1e0 [ 592.002401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 592.002401][ T10] [ 602.029913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 602.030447][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 602.030447][ T10] netdev_get_by_index+0x5e/0x80 [ 602.030447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.030447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.030447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.030447][ T10] ipv6_add_addr+0x411/0x2000 [ 602.030447][ T10] inet6_addr_add+0x30e/0xa40 [ 602.030447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.030447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.030447][ T10] netlink_rcv_skb+0x130/0x360 [ 602.030447][ T10] netlink_unicast+0x449/0x710 [ 602.030447][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.030447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.030447][ T10] ___sys_sendmsg+0xee/0x170 [ 602.030447][ T10] __sys_sendmsg+0xcd/0x170 [ 602.030447][ T10] do_syscall_64+0xc6/0x1e0 [ 602.030447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.030447][ T10] [ 602.032533][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 602.032533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.032533][ T10] ipv6_find_idev+0x102/0x170 [ 602.032533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.032533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.032533][ T10] netlink_rcv_skb+0x130/0x360 [ 602.032533][ T10] netlink_unicast+0x449/0x710 [ 602.032533][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.032533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.032533][ T10] ___sys_sendmsg+0xee/0x170 [ 602.032533][ T10] __sys_sendmsg+0xcd/0x170 [ 602.032533][ T10] do_syscall_64+0xc6/0x1e0 [ 602.032533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.032533][ T10] [ 602.034083][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 602.034083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.034083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.034083][ T10] ipv6_find_idev+0x102/0x170 [ 602.034083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.034083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.034083][ T10] netlink_rcv_skb+0x130/0x360 [ 602.034083][ T10] netlink_unicast+0x449/0x710 [ 602.034083][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.034083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.034083][ T10] ___sys_sendmsg+0xee/0x170 [ 602.034083][ T10] __sys_sendmsg+0xcd/0x170 [ 602.034083][ T10] do_syscall_64+0xc6/0x1e0 [ 602.034083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.034083][ T10] [ 602.035820][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 602.036096][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 602.036096][ T10] netdev_get_by_index+0x5e/0x80 [ 602.036096][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.036096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.036096][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.036096][ T10] ipv6_add_addr+0x411/0x2000 [ 602.036096][ T10] inet6_addr_add+0x30e/0xa40 [ 602.036096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.036096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.036096][ T10] netlink_rcv_skb+0x130/0x360 [ 602.036096][ T10] netlink_unicast+0x449/0x710 [ 602.036096][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.036096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.036096][ T10] ___sys_sendmsg+0xee/0x170 [ 602.036096][ T10] __sys_sendmsg+0xcd/0x170 [ 602.036096][ T10] do_syscall_64+0xc6/0x1e0 [ 602.036096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.036096][ T10] [ 602.038097][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 602.038097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.038097][ T10] ipv6_find_idev+0x102/0x170 [ 602.038097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.038097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.038097][ T10] netlink_rcv_skb+0x130/0x360 [ 602.038097][ T10] netlink_unicast+0x449/0x710 [ 602.038097][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.038097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.038097][ T10] ___sys_sendmsg+0xee/0x170 [ 602.038097][ T10] __sys_sendmsg+0xcd/0x170 [ 602.038097][ T10] do_syscall_64+0xc6/0x1e0 [ 602.038097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.038097][ T10] [ 602.039661][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 602.039661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.039661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.039661][ T10] ipv6_find_idev+0x102/0x170 [ 602.039661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.039661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.039661][ T10] netlink_rcv_skb+0x130/0x360 [ 602.039661][ T10] netlink_unicast+0x449/0x710 [ 602.039661][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.039661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.039661][ T10] ___sys_sendmsg+0xee/0x170 [ 602.039661][ T10] __sys_sendmsg+0xcd/0x170 [ 602.039661][ T10] do_syscall_64+0xc6/0x1e0 [ 602.039661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.039661][ T10] [ 602.041348][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 602.041623][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 602.041623][ T10] netdev_get_by_index+0x5e/0x80 [ 602.041623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.041623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.041623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.041623][ T10] ipv6_add_addr+0x411/0x2000 [ 602.041623][ T10] inet6_addr_add+0x30e/0xa40 [ 602.041623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.041623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.041623][ T10] netlink_rcv_skb+0x130/0x360 [ 602.041623][ T10] netlink_unicast+0x449/0x710 [ 602.041623][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.041623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.041623][ T10] ___sys_sendmsg+0xee/0x170 [ 602.041623][ T10] __sys_sendmsg+0xcd/0x170 [ 602.041623][ T10] do_syscall_64+0xc6/0x1e0 [ 602.041623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.041623][ T10] [ 602.043622][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 602.043622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.043622][ T10] ipv6_find_idev+0x102/0x170 [ 602.043622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.043622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.043622][ T10] netlink_rcv_skb+0x130/0x360 [ 602.043622][ T10] netlink_unicast+0x449/0x710 [ 602.043622][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.043622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.043622][ T10] ___sys_sendmsg+0xee/0x170 [ 602.043622][ T10] __sys_sendmsg+0xcd/0x170 [ 602.043622][ T10] do_syscall_64+0xc6/0x1e0 [ 602.043622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.043622][ T10] [ 602.045151][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 602.045151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.045151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.045151][ T10] ipv6_find_idev+0x102/0x170 [ 602.045151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.045151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.045151][ T10] netlink_rcv_skb+0x130/0x360 [ 602.045151][ T10] netlink_unicast+0x449/0x710 [ 602.045151][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.045151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.045151][ T10] ___sys_sendmsg+0xee/0x170 [ 602.045151][ T10] __sys_sendmsg+0xcd/0x170 [ 602.045151][ T10] do_syscall_64+0xc6/0x1e0 [ 602.045151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.045151][ T10] [ 602.046844][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 602.047125][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 602.047125][ T10] netdev_get_by_index+0x5e/0x80 [ 602.047125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.047125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.047125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.047125][ T10] ipv6_add_addr+0x411/0x2000 [ 602.047125][ T10] inet6_addr_add+0x30e/0xa40 [ 602.047125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.047125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.047125][ T10] netlink_rcv_skb+0x130/0x360 [ 602.047125][ T10] netlink_unicast+0x449/0x710 [ 602.047125][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.047125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.047125][ T10] ___sys_sendmsg+0xee/0x170 [ 602.047125][ T10] __sys_sendmsg+0xcd/0x170 [ 602.047125][ T10] do_syscall_64+0xc6/0x1e0 [ 602.047125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.047125][ T10] [ 602.049236][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 602.049236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.049236][ T10] ipv6_find_idev+0x102/0x170 [ 602.049236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.049236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.049236][ T10] netlink_rcv_skb+0x130/0x360 [ 602.049236][ T10] netlink_unicast+0x449/0x710 [ 602.049236][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.049236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.049236][ T10] ___sys_sendmsg+0xee/0x170 [ 602.049236][ T10] __sys_sendmsg+0xcd/0x170 [ 602.049236][ T10] do_syscall_64+0xc6/0x1e0 [ 602.049236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.049236][ T10] [ 602.050778][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 602.050778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.050778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.050778][ T10] ipv6_find_idev+0x102/0x170 [ 602.050778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.050778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.050778][ T10] netlink_rcv_skb+0x130/0x360 [ 602.050778][ T10] netlink_unicast+0x449/0x710 [ 602.050778][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.050778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.050778][ T10] ___sys_sendmsg+0xee/0x170 [ 602.050778][ T10] __sys_sendmsg+0xcd/0x170 [ 602.050778][ T10] do_syscall_64+0xc6/0x1e0 [ 602.050778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.050778][ T10] [ 602.052893][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 602.053204][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 602.053204][ T10] netdev_get_by_index+0x5e/0x80 [ 602.053204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.053204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.053204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.053204][ T10] ipv6_add_addr+0x411/0x2000 [ 602.053204][ T10] inet6_addr_add+0x30e/0xa40 [ 602.053204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.053204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.053204][ T10] netlink_rcv_skb+0x130/0x360 [ 602.053204][ T10] netlink_unicast+0x449/0x710 [ 602.053204][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.053204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.053204][ T10] ___sys_sendmsg+0xee/0x170 [ 602.053204][ T10] __sys_sendmsg+0xcd/0x170 [ 602.053204][ T10] do_syscall_64+0xc6/0x1e0 [ 602.053204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.053204][ T10] [ 602.055195][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 602.055195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.055195][ T10] ipv6_find_idev+0x102/0x170 [ 602.055195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.055195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.055195][ T10] netlink_rcv_skb+0x130/0x360 [ 602.055195][ T10] netlink_unicast+0x449/0x710 [ 602.055195][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.055195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.055195][ T10] ___sys_sendmsg+0xee/0x170 [ 602.055195][ T10] __sys_sendmsg+0xcd/0x170 [ 602.055195][ T10] do_syscall_64+0xc6/0x1e0 [ 602.055195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.055195][ T10] [ 602.056729][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 602.056729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.056729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.056729][ T10] ipv6_find_idev+0x102/0x170 [ 602.056729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.056729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.056729][ T10] netlink_rcv_skb+0x130/0x360 [ 602.056729][ T10] netlink_unicast+0x449/0x710 [ 602.056729][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.056729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.056729][ T10] ___sys_sendmsg+0xee/0x170 [ 602.056729][ T10] __sys_sendmsg+0xcd/0x170 [ 602.056729][ T10] do_syscall_64+0xc6/0x1e0 [ 602.056729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.056729][ T10] [ 602.058462][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 602.058773][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 602.058773][ T10] netdev_get_by_index+0x5e/0x80 [ 602.058773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.058773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.058773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.058773][ T10] ipv6_add_addr+0x411/0x2000 [ 602.058773][ T10] inet6_addr_add+0x30e/0xa40 [ 602.058773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.058773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.058773][ T10] netlink_rcv_skb+0x130/0x360 [ 602.058773][ T10] netlink_unicast+0x449/0x710 [ 602.058773][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.058773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.058773][ T10] ___sys_sendmsg+0xee/0x170 [ 602.058773][ T10] __sys_sendmsg+0xcd/0x170 [ 602.058773][ T10] do_syscall_64+0xc6/0x1e0 [ 602.058773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.058773][ T10] [ 602.060846][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 602.060846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.060846][ T10] ipv6_find_idev+0x102/0x170 [ 602.060846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.060846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.060846][ T10] netlink_rcv_skb+0x130/0x360 [ 602.060846][ T10] netlink_unicast+0x449/0x710 [ 602.060846][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.060846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.060846][ T10] ___sys_sendmsg+0xee/0x170 [ 602.060846][ T10] __sys_sendmsg+0xcd/0x170 [ 602.060846][ T10] do_syscall_64+0xc6/0x1e0 [ 602.060846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.060846][ T10] [ 602.062643][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 602.062643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.062643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.062643][ T10] ipv6_find_idev+0x102/0x170 [ 602.062643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.062643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.062643][ T10] netlink_rcv_skb+0x130/0x360 [ 602.062643][ T10] netlink_unicast+0x449/0x710 [ 602.062643][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.062643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.062643][ T10] ___sys_sendmsg+0xee/0x170 [ 602.062643][ T10] __sys_sendmsg+0xcd/0x170 [ 602.062643][ T10] do_syscall_64+0xc6/0x1e0 [ 602.062643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.062643][ T10] [ 602.064564][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 602.064882][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 602.064882][ T10] netdev_get_by_index+0x5e/0x80 [ 602.064882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.064882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.064882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.064882][ T10] ipv6_add_addr+0x411/0x2000 [ 602.064882][ T10] inet6_addr_add+0x30e/0xa40 [ 602.064882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.064882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.064882][ T10] netlink_rcv_skb+0x130/0x360 [ 602.064882][ T10] netlink_unicast+0x449/0x710 [ 602.064882][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.064882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.064882][ T10] ___sys_sendmsg+0xee/0x170 [ 602.064882][ T10] __sys_sendmsg+0xcd/0x170 [ 602.064882][ T10] do_syscall_64+0xc6/0x1e0 [ 602.064882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.064882][ T10] [ 602.067057][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 602.067057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.067057][ T10] ipv6_find_idev+0x102/0x170 [ 602.067057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.067057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.067057][ T10] netlink_rcv_skb+0x130/0x360 [ 602.067057][ T10] netlink_unicast+0x449/0x710 [ 602.067057][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.067057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.067057][ T10] ___sys_sendmsg+0xee/0x170 [ 602.067057][ T10] __sys_sendmsg+0xcd/0x170 [ 602.067057][ T10] do_syscall_64+0xc6/0x1e0 [ 602.067057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.067057][ T10] [ 602.068775][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 602.068775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.068775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.068775][ T10] ipv6_find_idev+0x102/0x170 [ 602.068775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.068775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.068775][ T10] netlink_rcv_skb+0x130/0x360 [ 602.068775][ T10] netlink_unicast+0x449/0x710 [ 602.068775][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.068775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.068775][ T10] ___sys_sendmsg+0xee/0x170 [ 602.068775][ T10] __sys_sendmsg+0xcd/0x170 [ 602.068775][ T10] do_syscall_64+0xc6/0x1e0 [ 602.068775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.068775][ T10] [ 602.070697][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 602.071021][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 602.071021][ T10] netdev_get_by_index+0x5e/0x80 [ 602.071021][ T10] fib6_nh_init+0x3d8/0x15b0 [ 602.071021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 602.071021][ T10] addrconf_f6i_alloc+0x244/0x410 [ 602.071021][ T10] ipv6_add_addr+0x411/0x2000 [ 602.071021][ T10] inet6_addr_add+0x30e/0xa40 [ 602.071021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 602.071021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.071021][ T10] netlink_rcv_skb+0x130/0x360 [ 602.071021][ T10] netlink_unicast+0x449/0x710 [ 602.071021][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.071021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.071021][ T10] ___sys_sendmsg+0xee/0x170 [ 602.071021][ T10] __sys_sendmsg+0xcd/0x170 [ 602.071021][ T10] do_syscall_64+0xc6/0x1e0 [ 602.071021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.071021][ T10] [ 602.073478][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 602.073478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 602.073478][ T10] ipv6_find_idev+0x102/0x170 [ 602.073478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.073478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.073478][ T10] netlink_rcv_skb+0x130/0x360 [ 602.073478][ T10] netlink_unicast+0x449/0x710 [ 602.073478][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.073478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.073478][ T10] ___sys_sendmsg+0xee/0x170 [ 602.073478][ T10] __sys_sendmsg+0xcd/0x170 [ 602.073478][ T10] do_syscall_64+0xc6/0x1e0 [ 602.073478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.073478][ T10] [ 602.075262][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 602.075262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 602.075262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 602.075262][ T10] ipv6_find_idev+0x102/0x170 [ 602.075262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 602.075262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 602.075262][ T10] netlink_rcv_skb+0x130/0x360 [ 602.075262][ T10] netlink_unicast+0x449/0x710 [ 602.075262][ T10] netlink_sendmsg+0x723/0xbe0 [ 602.075262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 602.075262][ T10] ___sys_sendmsg+0xee/0x170 [ 602.075262][ T10] __sys_sendmsg+0xcd/0x170 [ 602.075262][ T10] do_syscall_64+0xc6/0x1e0 [ 602.075262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 602.075262][ T10] [ 612.317966][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 612.318491][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 612.318491][ T10] netdev_get_by_index+0x5e/0x80 [ 612.318491][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.318491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.318491][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.318491][ T10] ipv6_add_addr+0x411/0x2000 [ 612.318491][ T10] inet6_addr_add+0x30e/0xa40 [ 612.318491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.318491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.318491][ T10] netlink_rcv_skb+0x130/0x360 [ 612.318491][ T10] netlink_unicast+0x449/0x710 [ 612.318491][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.318491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.318491][ T10] ___sys_sendmsg+0xee/0x170 [ 612.318491][ T10] __sys_sendmsg+0xcd/0x170 [ 612.318491][ T10] do_syscall_64+0xc6/0x1e0 [ 612.318491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.318491][ T10] [ 612.320527][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 612.320527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.320527][ T10] ipv6_find_idev+0x102/0x170 [ 612.320527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.320527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.320527][ T10] netlink_rcv_skb+0x130/0x360 [ 612.320527][ T10] netlink_unicast+0x449/0x710 [ 612.320527][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.320527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.320527][ T10] ___sys_sendmsg+0xee/0x170 [ 612.320527][ T10] __sys_sendmsg+0xcd/0x170 [ 612.320527][ T10] do_syscall_64+0xc6/0x1e0 [ 612.320527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.320527][ T10] [ 612.322119][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 612.322119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.322119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.322119][ T10] ipv6_find_idev+0x102/0x170 [ 612.322119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.322119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.322119][ T10] netlink_rcv_skb+0x130/0x360 [ 612.322119][ T10] netlink_unicast+0x449/0x710 [ 612.322119][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.322119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.322119][ T10] ___sys_sendmsg+0xee/0x170 [ 612.322119][ T10] __sys_sendmsg+0xcd/0x170 [ 612.322119][ T10] do_syscall_64+0xc6/0x1e0 [ 612.322119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.322119][ T10] [ 612.323855][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 612.324139][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 612.324139][ T10] netdev_get_by_index+0x5e/0x80 [ 612.324139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.324139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.324139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.324139][ T10] ipv6_add_addr+0x411/0x2000 [ 612.324139][ T10] inet6_addr_add+0x30e/0xa40 [ 612.324139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.324139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.324139][ T10] netlink_rcv_skb+0x130/0x360 [ 612.324139][ T10] netlink_unicast+0x449/0x710 [ 612.324139][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.324139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.324139][ T10] ___sys_sendmsg+0xee/0x170 [ 612.324139][ T10] __sys_sendmsg+0xcd/0x170 [ 612.324139][ T10] do_syscall_64+0xc6/0x1e0 [ 612.324139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.324139][ T10] [ 612.326158][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 612.326158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.326158][ T10] ipv6_find_idev+0x102/0x170 [ 612.326158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.326158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.326158][ T10] netlink_rcv_skb+0x130/0x360 [ 612.326158][ T10] netlink_unicast+0x449/0x710 [ 612.326158][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.326158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.326158][ T10] ___sys_sendmsg+0xee/0x170 [ 612.326158][ T10] __sys_sendmsg+0xcd/0x170 [ 612.326158][ T10] do_syscall_64+0xc6/0x1e0 [ 612.326158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.326158][ T10] [ 612.327714][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 612.327714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.327714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.327714][ T10] ipv6_find_idev+0x102/0x170 [ 612.327714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.327714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.327714][ T10] netlink_rcv_skb+0x130/0x360 [ 612.327714][ T10] netlink_unicast+0x449/0x710 [ 612.327714][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.327714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.327714][ T10] ___sys_sendmsg+0xee/0x170 [ 612.327714][ T10] __sys_sendmsg+0xcd/0x170 [ 612.327714][ T10] do_syscall_64+0xc6/0x1e0 [ 612.327714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.327714][ T10] [ 612.329443][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 612.329716][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 612.329716][ T10] netdev_get_by_index+0x5e/0x80 [ 612.329716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.329716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.329716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.329716][ T10] ipv6_add_addr+0x411/0x2000 [ 612.329716][ T10] inet6_addr_add+0x30e/0xa40 [ 612.329716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.329716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.329716][ T10] netlink_rcv_skb+0x130/0x360 [ 612.329716][ T10] netlink_unicast+0x449/0x710 [ 612.329716][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.329716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.329716][ T10] ___sys_sendmsg+0xee/0x170 [ 612.329716][ T10] __sys_sendmsg+0xcd/0x170 [ 612.329716][ T10] do_syscall_64+0xc6/0x1e0 [ 612.329716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.329716][ T10] [ 612.331724][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 612.331724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.331724][ T10] ipv6_find_idev+0x102/0x170 [ 612.331724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.331724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.331724][ T10] netlink_rcv_skb+0x130/0x360 [ 612.331724][ T10] netlink_unicast+0x449/0x710 [ 612.331724][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.331724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.331724][ T10] ___sys_sendmsg+0xee/0x170 [ 612.331724][ T10] __sys_sendmsg+0xcd/0x170 [ 612.331724][ T10] do_syscall_64+0xc6/0x1e0 [ 612.331724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.331724][ T10] [ 612.333286][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 612.333286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.333286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.333286][ T10] ipv6_find_idev+0x102/0x170 [ 612.333286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.333286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.333286][ T10] netlink_rcv_skb+0x130/0x360 [ 612.333286][ T10] netlink_unicast+0x449/0x710 [ 612.333286][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.333286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.333286][ T10] ___sys_sendmsg+0xee/0x170 [ 612.333286][ T10] __sys_sendmsg+0xcd/0x170 [ 612.333286][ T10] do_syscall_64+0xc6/0x1e0 [ 612.333286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.333286][ T10] [ 612.334983][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 612.335265][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 612.335265][ T10] netdev_get_by_index+0x5e/0x80 [ 612.335265][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.335265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.335265][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.335265][ T10] ipv6_add_addr+0x411/0x2000 [ 612.335265][ T10] inet6_addr_add+0x30e/0xa40 [ 612.335265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.335265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.335265][ T10] netlink_rcv_skb+0x130/0x360 [ 612.335265][ T10] netlink_unicast+0x449/0x710 [ 612.335265][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.335265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.335265][ T10] ___sys_sendmsg+0xee/0x170 [ 612.335265][ T10] __sys_sendmsg+0xcd/0x170 [ 612.335265][ T10] do_syscall_64+0xc6/0x1e0 [ 612.335265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.335265][ T10] [ 612.337270][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 612.337270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.337270][ T10] ipv6_find_idev+0x102/0x170 [ 612.337270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.337270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.337270][ T10] netlink_rcv_skb+0x130/0x360 [ 612.337270][ T10] netlink_unicast+0x449/0x710 [ 612.337270][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.337270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.337270][ T10] ___sys_sendmsg+0xee/0x170 [ 612.337270][ T10] __sys_sendmsg+0xcd/0x170 [ 612.337270][ T10] do_syscall_64+0xc6/0x1e0 [ 612.337270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.337270][ T10] [ 612.338853][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 612.338853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.338853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.338853][ T10] ipv6_find_idev+0x102/0x170 [ 612.338853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.338853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.338853][ T10] netlink_rcv_skb+0x130/0x360 [ 612.338853][ T10] netlink_unicast+0x449/0x710 [ 612.338853][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.338853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.338853][ T10] ___sys_sendmsg+0xee/0x170 [ 612.338853][ T10] __sys_sendmsg+0xcd/0x170 [ 612.338853][ T10] do_syscall_64+0xc6/0x1e0 [ 612.338853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.338853][ T10] [ 612.340971][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 612.341588][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 612.341588][ T10] netdev_get_by_index+0x5e/0x80 [ 612.341588][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.341588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.341588][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.341588][ T10] ipv6_add_addr+0x411/0x2000 [ 612.341588][ T10] inet6_addr_add+0x30e/0xa40 [ 612.341588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.341588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.341588][ T10] netlink_rcv_skb+0x130/0x360 [ 612.341588][ T10] netlink_unicast+0x449/0x710 [ 612.341588][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.341588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.341588][ T10] ___sys_sendmsg+0xee/0x170 [ 612.341588][ T10] __sys_sendmsg+0xcd/0x170 [ 612.341588][ T10] do_syscall_64+0xc6/0x1e0 [ 612.341588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.341588][ T10] [ 612.343596][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 612.343596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.343596][ T10] ipv6_find_idev+0x102/0x170 [ 612.343596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.343596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.343596][ T10] netlink_rcv_skb+0x130/0x360 [ 612.343596][ T10] netlink_unicast+0x449/0x710 [ 612.343596][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.343596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.343596][ T10] ___sys_sendmsg+0xee/0x170 [ 612.343596][ T10] __sys_sendmsg+0xcd/0x170 [ 612.343596][ T10] do_syscall_64+0xc6/0x1e0 [ 612.343596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.343596][ T10] [ 612.345140][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 612.345140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.345140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.345140][ T10] ipv6_find_idev+0x102/0x170 [ 612.345140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.345140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.345140][ T10] netlink_rcv_skb+0x130/0x360 [ 612.345140][ T10] netlink_unicast+0x449/0x710 [ 612.345140][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.345140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.345140][ T10] ___sys_sendmsg+0xee/0x170 [ 612.345140][ T10] __sys_sendmsg+0xcd/0x170 [ 612.345140][ T10] do_syscall_64+0xc6/0x1e0 [ 612.345140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.345140][ T10] [ 612.346831][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 612.347104][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 612.347104][ T10] netdev_get_by_index+0x5e/0x80 [ 612.347104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.347104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.347104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.347104][ T10] ipv6_add_addr+0x411/0x2000 [ 612.347104][ T10] inet6_addr_add+0x30e/0xa40 [ 612.347104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.347104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.347104][ T10] netlink_rcv_skb+0x130/0x360 [ 612.347104][ T10] netlink_unicast+0x449/0x710 [ 612.347104][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.347104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.347104][ T10] ___sys_sendmsg+0xee/0x170 [ 612.347104][ T10] __sys_sendmsg+0xcd/0x170 [ 612.347104][ T10] do_syscall_64+0xc6/0x1e0 [ 612.347104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.347104][ T10] [ 612.349106][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 612.349106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.349106][ T10] ipv6_find_idev+0x102/0x170 [ 612.349106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.349106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.349106][ T10] netlink_rcv_skb+0x130/0x360 [ 612.349106][ T10] netlink_unicast+0x449/0x710 [ 612.349106][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.349106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.349106][ T10] ___sys_sendmsg+0xee/0x170 [ 612.349106][ T10] __sys_sendmsg+0xcd/0x170 [ 612.349106][ T10] do_syscall_64+0xc6/0x1e0 [ 612.349106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.349106][ T10] [ 612.350715][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 612.350715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.350715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.350715][ T10] ipv6_find_idev+0x102/0x170 [ 612.350715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.350715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.350715][ T10] netlink_rcv_skb+0x130/0x360 [ 612.350715][ T10] netlink_unicast+0x449/0x710 [ 612.350715][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.350715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.350715][ T10] ___sys_sendmsg+0xee/0x170 [ 612.350715][ T10] __sys_sendmsg+0xcd/0x170 [ 612.350715][ T10] do_syscall_64+0xc6/0x1e0 [ 612.350715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.350715][ T10] [ 612.352702][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 612.353020][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 612.353020][ T10] netdev_get_by_index+0x5e/0x80 [ 612.353020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.353020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.353020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.353020][ T10] ipv6_add_addr+0x411/0x2000 [ 612.353020][ T10] inet6_addr_add+0x30e/0xa40 [ 612.353020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.353020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.353020][ T10] netlink_rcv_skb+0x130/0x360 [ 612.353020][ T10] netlink_unicast+0x449/0x710 [ 612.353020][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.353020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.353020][ T10] ___sys_sendmsg+0xee/0x170 [ 612.353020][ T10] __sys_sendmsg+0xcd/0x170 [ 612.353020][ T10] do_syscall_64+0xc6/0x1e0 [ 612.353020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.353020][ T10] [ 612.355193][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 612.355193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.355193][ T10] ipv6_find_idev+0x102/0x170 [ 612.355193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.355193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.355193][ T10] netlink_rcv_skb+0x130/0x360 [ 612.355193][ T10] netlink_unicast+0x449/0x710 [ 612.355193][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.355193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.355193][ T10] ___sys_sendmsg+0xee/0x170 [ 612.355193][ T10] __sys_sendmsg+0xcd/0x170 [ 612.355193][ T10] do_syscall_64+0xc6/0x1e0 [ 612.355193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.355193][ T10] [ 612.356911][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 612.356911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.356911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.356911][ T10] ipv6_find_idev+0x102/0x170 [ 612.356911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.356911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.356911][ T10] netlink_rcv_skb+0x130/0x360 [ 612.356911][ T10] netlink_unicast+0x449/0x710 [ 612.356911][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.356911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.356911][ T10] ___sys_sendmsg+0xee/0x170 [ 612.356911][ T10] __sys_sendmsg+0xcd/0x170 [ 612.356911][ T10] do_syscall_64+0xc6/0x1e0 [ 612.356911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.356911][ T10] [ 612.358827][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 612.359138][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 612.359138][ T10] netdev_get_by_index+0x5e/0x80 [ 612.359138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 612.359138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 612.359138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 612.359138][ T10] ipv6_add_addr+0x411/0x2000 [ 612.359138][ T10] inet6_addr_add+0x30e/0xa40 [ 612.359138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 612.359138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.359138][ T10] netlink_rcv_skb+0x130/0x360 [ 612.359138][ T10] netlink_unicast+0x449/0x710 [ 612.359138][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.359138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.359138][ T10] ___sys_sendmsg+0xee/0x170 [ 612.359138][ T10] __sys_sendmsg+0xcd/0x170 [ 612.359138][ T10] do_syscall_64+0xc6/0x1e0 [ 612.359138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.359138][ T10] [ 612.361322][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 612.361322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 612.361322][ T10] ipv6_find_idev+0x102/0x170 [ 612.361322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.361322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.361322][ T10] netlink_rcv_skb+0x130/0x360 [ 612.361322][ T10] netlink_unicast+0x449/0x710 [ 612.361322][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.361322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.361322][ T10] ___sys_sendmsg+0xee/0x170 [ 612.361322][ T10] __sys_sendmsg+0xcd/0x170 [ 612.361322][ T10] do_syscall_64+0xc6/0x1e0 [ 612.361322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.361322][ T10] [ 612.363052][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 612.363052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 612.363052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 612.363052][ T10] ipv6_find_idev+0x102/0x170 [ 612.363052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 612.363052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 612.363052][ T10] netlink_rcv_skb+0x130/0x360 [ 612.363052][ T10] netlink_unicast+0x449/0x710 [ 612.363052][ T10] netlink_sendmsg+0x723/0xbe0 [ 612.363052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 612.363052][ T10] ___sys_sendmsg+0xee/0x170 [ 612.363052][ T10] __sys_sendmsg+0xcd/0x170 [ 612.363052][ T10] do_syscall_64+0xc6/0x1e0 [ 612.363052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 612.363052][ T10] [ 615.717940][ T42] INFO: task modprobe:1060 blocked for more than 368 seconds. [ 615.718383][ T42] Not tainted 6.8.0-virtme #1 [ 615.718508][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.718727][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 615.719037][ T42] Call Trace: [ 615.719140][ T42] [ 615.719214][ T42] __schedule+0x705/0x1ac0 [ 615.719355][ T42] ? __pfx___schedule+0x10/0x10 [ 615.719482][ T42] ? schedule+0x1a5/0x210 [ 615.719585][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.719721][ T42] ? mark_lock+0x38/0x3e0 [ 615.719833][ T42] ? do_raw_spin_lock+0x131/0x270 [ 615.719964][ T42] ? schedule+0x1a5/0x210 [ 615.720066][ T42] schedule+0xdf/0x210 [ 615.720165][ T42] schedule_preempt_disabled+0x15/0x30 [ 615.720294][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 615.720430][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 615.720586][ T42] ? kasan_save_stack+0x34/0x50 [ 615.720715][ T42] ? kasan_save_stack+0x24/0x50 [ 615.720852][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.720988][ T42] ? lock_acquire+0x1c1/0x220 [ 615.721114][ T42] ? register_pernet_subsys+0x1a/0x50 [ 615.721252][ T42] down_write+0x1c9/0x200 [ 615.721351][ T42] ? __pfx_down_write+0x10/0x10 [ 615.721478][ T42] ? __pfx___lock_release+0x10/0x10 [ 615.721610][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 615.721817][ T42] register_pernet_subsys+0x1a/0x50 [ 615.721945][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 615.722132][ T42] do_one_initcall+0xc8/0x3f0 [ 615.722262][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 615.722392][ T42] ? __create_object+0x5e/0xb0 [ 615.722523][ T42] ? kasan_unpoison+0x27/0x60 [ 615.722657][ T42] do_init_module+0x233/0x740 [ 615.722813][ T42] load_module+0x16b5/0x2350 [ 615.722961][ T42] ? __pfx_load_module+0x10/0x10 [ 615.723093][ T42] ? kernel_read_file+0x3d2/0x520 [ 615.723227][ T42] ? kernel_read_file+0x300/0x520 [ 615.723363][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 615.723498][ T42] ? init_module_from_file+0xd2/0x130 [ 615.723623][ T42] init_module_from_file+0xd2/0x130 [ 615.723749][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 615.723922][ T42] ? __lock_release+0x103/0x460 [ 615.724053][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.724190][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.724317][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 615.724449][ T42] idempotent_init_module+0x342/0x620 [ 615.724578][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 615.724755][ T42] __x64_sys_finit_module+0xbe/0x130 [ 615.724908][ T42] do_syscall_64+0xc6/0x1e0 [ 615.725042][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.725203][ T42] RIP: 0033:0x7ff11fe2be5d [ 615.725337][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 615.725532][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 615.725717][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 615.725914][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 615.726105][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 615.726293][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 615.726492][ T42] [ 615.726589][ T42] [ 615.726589][ T42] Showing all locks held in the system: [ 615.726792][ T42] 3 locks held by kworker/u16:0/10: [ 615.726922][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.727187][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.727410][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 615.727636][ T42] 2 locks held by kworker/u20:0/39: [ 615.727761][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.728029][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.728311][ T42] 1 lock held by khungtaskd/42: [ 615.728432][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 615.728661][ T42] 1 lock held by modprobe/1060: [ 615.728801][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 615.729055][ T42] [ 615.729119][ T42] ============================================= [ 615.729119][ T42] [ 622.605985][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 622.606472][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 622.606472][ T10] netdev_get_by_index+0x5e/0x80 [ 622.606472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.606472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.606472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.606472][ T10] ipv6_add_addr+0x411/0x2000 [ 622.606472][ T10] inet6_addr_add+0x30e/0xa40 [ 622.606472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.606472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.606472][ T10] netlink_rcv_skb+0x130/0x360 [ 622.606472][ T10] netlink_unicast+0x449/0x710 [ 622.606472][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.606472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.606472][ T10] ___sys_sendmsg+0xee/0x170 [ 622.606472][ T10] __sys_sendmsg+0xcd/0x170 [ 622.606472][ T10] do_syscall_64+0xc6/0x1e0 [ 622.606472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.606472][ T10] [ 622.608484][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 622.608484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.608484][ T10] ipv6_find_idev+0x102/0x170 [ 622.608484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.608484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.608484][ T10] netlink_rcv_skb+0x130/0x360 [ 622.608484][ T10] netlink_unicast+0x449/0x710 [ 622.608484][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.608484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.608484][ T10] ___sys_sendmsg+0xee/0x170 [ 622.608484][ T10] __sys_sendmsg+0xcd/0x170 [ 622.608484][ T10] do_syscall_64+0xc6/0x1e0 [ 622.608484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.608484][ T10] [ 622.610055][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 622.610055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.610055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.610055][ T10] ipv6_find_idev+0x102/0x170 [ 622.610055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.610055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.610055][ T10] netlink_rcv_skb+0x130/0x360 [ 622.610055][ T10] netlink_unicast+0x449/0x710 [ 622.610055][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.610055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.610055][ T10] ___sys_sendmsg+0xee/0x170 [ 622.610055][ T10] __sys_sendmsg+0xcd/0x170 [ 622.610055][ T10] do_syscall_64+0xc6/0x1e0 [ 622.610055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.610055][ T10] [ 622.611845][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 622.612137][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 622.612137][ T10] netdev_get_by_index+0x5e/0x80 [ 622.612137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.612137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.612137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.612137][ T10] ipv6_add_addr+0x411/0x2000 [ 622.612137][ T10] inet6_addr_add+0x30e/0xa40 [ 622.612137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.612137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.612137][ T10] netlink_rcv_skb+0x130/0x360 [ 622.612137][ T10] netlink_unicast+0x449/0x710 [ 622.612137][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.612137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.612137][ T10] ___sys_sendmsg+0xee/0x170 [ 622.612137][ T10] __sys_sendmsg+0xcd/0x170 [ 622.612137][ T10] do_syscall_64+0xc6/0x1e0 [ 622.612137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.612137][ T10] [ 622.614146][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 622.614146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.614146][ T10] ipv6_find_idev+0x102/0x170 [ 622.614146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.614146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.614146][ T10] netlink_rcv_skb+0x130/0x360 [ 622.614146][ T10] netlink_unicast+0x449/0x710 [ 622.614146][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.614146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.614146][ T10] ___sys_sendmsg+0xee/0x170 [ 622.614146][ T10] __sys_sendmsg+0xcd/0x170 [ 622.614146][ T10] do_syscall_64+0xc6/0x1e0 [ 622.614146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.614146][ T10] [ 622.615689][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 622.615689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.615689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.615689][ T10] ipv6_find_idev+0x102/0x170 [ 622.615689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.615689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.615689][ T10] netlink_rcv_skb+0x130/0x360 [ 622.615689][ T10] netlink_unicast+0x449/0x710 [ 622.615689][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.615689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.615689][ T10] ___sys_sendmsg+0xee/0x170 [ 622.615689][ T10] __sys_sendmsg+0xcd/0x170 [ 622.615689][ T10] do_syscall_64+0xc6/0x1e0 [ 622.615689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.615689][ T10] [ 622.617384][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 622.617654][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 622.617654][ T10] netdev_get_by_index+0x5e/0x80 [ 622.617654][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.617654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.617654][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.617654][ T10] ipv6_add_addr+0x411/0x2000 [ 622.617654][ T10] inet6_addr_add+0x30e/0xa40 [ 622.617654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.617654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.617654][ T10] netlink_rcv_skb+0x130/0x360 [ 622.617654][ T10] netlink_unicast+0x449/0x710 [ 622.617654][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.617654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.617654][ T10] ___sys_sendmsg+0xee/0x170 [ 622.617654][ T10] __sys_sendmsg+0xcd/0x170 [ 622.617654][ T10] do_syscall_64+0xc6/0x1e0 [ 622.617654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.617654][ T10] [ 622.619667][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 622.619667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.619667][ T10] ipv6_find_idev+0x102/0x170 [ 622.619667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.619667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.619667][ T10] netlink_rcv_skb+0x130/0x360 [ 622.619667][ T10] netlink_unicast+0x449/0x710 [ 622.619667][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.619667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.619667][ T10] ___sys_sendmsg+0xee/0x170 [ 622.619667][ T10] __sys_sendmsg+0xcd/0x170 [ 622.619667][ T10] do_syscall_64+0xc6/0x1e0 [ 622.619667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.619667][ T10] [ 622.621227][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 622.621227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.621227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.621227][ T10] ipv6_find_idev+0x102/0x170 [ 622.621227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.621227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.621227][ T10] netlink_rcv_skb+0x130/0x360 [ 622.621227][ T10] netlink_unicast+0x449/0x710 [ 622.621227][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.621227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.621227][ T10] ___sys_sendmsg+0xee/0x170 [ 622.621227][ T10] __sys_sendmsg+0xcd/0x170 [ 622.621227][ T10] do_syscall_64+0xc6/0x1e0 [ 622.621227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.621227][ T10] [ 622.622921][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 622.623187][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 622.623187][ T10] netdev_get_by_index+0x5e/0x80 [ 622.623187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.623187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.623187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.623187][ T10] ipv6_add_addr+0x411/0x2000 [ 622.623187][ T10] inet6_addr_add+0x30e/0xa40 [ 622.623187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.623187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.623187][ T10] netlink_rcv_skb+0x130/0x360 [ 622.623187][ T10] netlink_unicast+0x449/0x710 [ 622.623187][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.623187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.623187][ T10] ___sys_sendmsg+0xee/0x170 [ 622.623187][ T10] __sys_sendmsg+0xcd/0x170 [ 622.623187][ T10] do_syscall_64+0xc6/0x1e0 [ 622.623187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.623187][ T10] [ 622.625188][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 622.625188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.625188][ T10] ipv6_find_idev+0x102/0x170 [ 622.625188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.625188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.625188][ T10] netlink_rcv_skb+0x130/0x360 [ 622.625188][ T10] netlink_unicast+0x449/0x710 [ 622.625188][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.625188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.625188][ T10] ___sys_sendmsg+0xee/0x170 [ 622.625188][ T10] __sys_sendmsg+0xcd/0x170 [ 622.625188][ T10] do_syscall_64+0xc6/0x1e0 [ 622.625188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.625188][ T10] [ 622.626734][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 622.626734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.626734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.626734][ T10] ipv6_find_idev+0x102/0x170 [ 622.626734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.626734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.626734][ T10] netlink_rcv_skb+0x130/0x360 [ 622.626734][ T10] netlink_unicast+0x449/0x710 [ 622.626734][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.626734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.626734][ T10] ___sys_sendmsg+0xee/0x170 [ 622.626734][ T10] __sys_sendmsg+0xcd/0x170 [ 622.626734][ T10] do_syscall_64+0xc6/0x1e0 [ 622.626734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.626734][ T10] [ 622.628868][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 622.629472][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 622.629472][ T10] netdev_get_by_index+0x5e/0x80 [ 622.629472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.629472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.629472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.629472][ T10] ipv6_add_addr+0x411/0x2000 [ 622.629472][ T10] inet6_addr_add+0x30e/0xa40 [ 622.629472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.629472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.629472][ T10] netlink_rcv_skb+0x130/0x360 [ 622.629472][ T10] netlink_unicast+0x449/0x710 [ 622.629472][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.629472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.629472][ T10] ___sys_sendmsg+0xee/0x170 [ 622.629472][ T10] __sys_sendmsg+0xcd/0x170 [ 622.629472][ T10] do_syscall_64+0xc6/0x1e0 [ 622.629472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.629472][ T10] [ 622.631467][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 622.631467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.631467][ T10] ipv6_find_idev+0x102/0x170 [ 622.631467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.631467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.631467][ T10] netlink_rcv_skb+0x130/0x360 [ 622.631467][ T10] netlink_unicast+0x449/0x710 [ 622.631467][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.631467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.631467][ T10] ___sys_sendmsg+0xee/0x170 [ 622.631467][ T10] __sys_sendmsg+0xcd/0x170 [ 622.631467][ T10] do_syscall_64+0xc6/0x1e0 [ 622.631467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.631467][ T10] [ 622.633003][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 622.633003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.633003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.633003][ T10] ipv6_find_idev+0x102/0x170 [ 622.633003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.633003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.633003][ T10] netlink_rcv_skb+0x130/0x360 [ 622.633003][ T10] netlink_unicast+0x449/0x710 [ 622.633003][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.633003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.633003][ T10] ___sys_sendmsg+0xee/0x170 [ 622.633003][ T10] __sys_sendmsg+0xcd/0x170 [ 622.633003][ T10] do_syscall_64+0xc6/0x1e0 [ 622.633003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.633003][ T10] [ 622.634698][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 622.635017][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 622.635017][ T10] netdev_get_by_index+0x5e/0x80 [ 622.635017][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.635017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.635017][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.635017][ T10] ipv6_add_addr+0x411/0x2000 [ 622.635017][ T10] inet6_addr_add+0x30e/0xa40 [ 622.635017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.635017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.635017][ T10] netlink_rcv_skb+0x130/0x360 [ 622.635017][ T10] netlink_unicast+0x449/0x710 [ 622.635017][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.635017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.635017][ T10] ___sys_sendmsg+0xee/0x170 [ 622.635017][ T10] __sys_sendmsg+0xcd/0x170 [ 622.635017][ T10] do_syscall_64+0xc6/0x1e0 [ 622.635017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.635017][ T10] [ 622.637013][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 622.637013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.637013][ T10] ipv6_find_idev+0x102/0x170 [ 622.637013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.637013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.637013][ T10] netlink_rcv_skb+0x130/0x360 [ 622.637013][ T10] netlink_unicast+0x449/0x710 [ 622.637013][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.637013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.637013][ T10] ___sys_sendmsg+0xee/0x170 [ 622.637013][ T10] __sys_sendmsg+0xcd/0x170 [ 622.637013][ T10] do_syscall_64+0xc6/0x1e0 [ 622.637013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.637013][ T10] [ 622.638554][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 622.638554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.638554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.638554][ T10] ipv6_find_idev+0x102/0x170 [ 622.638554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.638554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.638554][ T10] netlink_rcv_skb+0x130/0x360 [ 622.638554][ T10] netlink_unicast+0x449/0x710 [ 622.638554][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.638554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.638554][ T10] ___sys_sendmsg+0xee/0x170 [ 622.638554][ T10] __sys_sendmsg+0xcd/0x170 [ 622.638554][ T10] do_syscall_64+0xc6/0x1e0 [ 622.638554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.638554][ T10] [ 622.640548][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 622.640890][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 622.640890][ T10] netdev_get_by_index+0x5e/0x80 [ 622.640890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.640890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.640890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.640890][ T10] ipv6_add_addr+0x411/0x2000 [ 622.640890][ T10] inet6_addr_add+0x30e/0xa40 [ 622.640890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.640890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.640890][ T10] netlink_rcv_skb+0x130/0x360 [ 622.640890][ T10] netlink_unicast+0x449/0x710 [ 622.640890][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.640890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.640890][ T10] ___sys_sendmsg+0xee/0x170 [ 622.640890][ T10] __sys_sendmsg+0xcd/0x170 [ 622.640890][ T10] do_syscall_64+0xc6/0x1e0 [ 622.640890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.640890][ T10] [ 622.643071][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 622.643071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.643071][ T10] ipv6_find_idev+0x102/0x170 [ 622.643071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.643071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.643071][ T10] netlink_rcv_skb+0x130/0x360 [ 622.643071][ T10] netlink_unicast+0x449/0x710 [ 622.643071][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.643071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.643071][ T10] ___sys_sendmsg+0xee/0x170 [ 622.643071][ T10] __sys_sendmsg+0xcd/0x170 [ 622.643071][ T10] do_syscall_64+0xc6/0x1e0 [ 622.643071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.643071][ T10] [ 622.644776][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 622.644776][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.644776][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.644776][ T10] ipv6_find_idev+0x102/0x170 [ 622.644776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.644776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.644776][ T10] netlink_rcv_skb+0x130/0x360 [ 622.644776][ T10] netlink_unicast+0x449/0x710 [ 622.644776][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.644776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.644776][ T10] ___sys_sendmsg+0xee/0x170 [ 622.644776][ T10] __sys_sendmsg+0xcd/0x170 [ 622.644776][ T10] do_syscall_64+0xc6/0x1e0 [ 622.644776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.644776][ T10] [ 622.646756][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 622.647076][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 622.647076][ T10] netdev_get_by_index+0x5e/0x80 [ 622.647076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 622.647076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 622.647076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 622.647076][ T10] ipv6_add_addr+0x411/0x2000 [ 622.647076][ T10] inet6_addr_add+0x30e/0xa40 [ 622.647076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 622.647076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.647076][ T10] netlink_rcv_skb+0x130/0x360 [ 622.647076][ T10] netlink_unicast+0x449/0x710 [ 622.647076][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.647076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.647076][ T10] ___sys_sendmsg+0xee/0x170 [ 622.647076][ T10] __sys_sendmsg+0xcd/0x170 [ 622.647076][ T10] do_syscall_64+0xc6/0x1e0 [ 622.647076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.647076][ T10] [ 622.649255][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 622.649255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 622.649255][ T10] ipv6_find_idev+0x102/0x170 [ 622.649255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.649255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.649255][ T10] netlink_rcv_skb+0x130/0x360 [ 622.649255][ T10] netlink_unicast+0x449/0x710 [ 622.649255][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.649255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.649255][ T10] ___sys_sendmsg+0xee/0x170 [ 622.649255][ T10] __sys_sendmsg+0xcd/0x170 [ 622.649255][ T10] do_syscall_64+0xc6/0x1e0 [ 622.649255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.649255][ T10] [ 622.650969][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 622.650969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 622.650969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 622.650969][ T10] ipv6_find_idev+0x102/0x170 [ 622.650969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 622.650969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 622.650969][ T10] netlink_rcv_skb+0x130/0x360 [ 622.650969][ T10] netlink_unicast+0x449/0x710 [ 622.650969][ T10] netlink_sendmsg+0x723/0xbe0 [ 622.650969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 622.650969][ T10] ___sys_sendmsg+0xee/0x170 [ 622.650969][ T10] __sys_sendmsg+0xcd/0x170 [ 622.650969][ T10] do_syscall_64+0xc6/0x1e0 [ 622.650969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 622.650969][ T10] [ 632.669975][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 632.670443][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 632.670443][ T10] netdev_get_by_index+0x5e/0x80 [ 632.670443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.670443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.670443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.670443][ T10] ipv6_add_addr+0x411/0x2000 [ 632.670443][ T10] inet6_addr_add+0x30e/0xa40 [ 632.670443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.670443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.670443][ T10] netlink_rcv_skb+0x130/0x360 [ 632.670443][ T10] netlink_unicast+0x449/0x710 [ 632.670443][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.670443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.670443][ T10] ___sys_sendmsg+0xee/0x170 [ 632.670443][ T10] __sys_sendmsg+0xcd/0x170 [ 632.670443][ T10] do_syscall_64+0xc6/0x1e0 [ 632.670443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.670443][ T10] [ 632.672469][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 632.672469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.672469][ T10] ipv6_find_idev+0x102/0x170 [ 632.672469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.672469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.672469][ T10] netlink_rcv_skb+0x130/0x360 [ 632.672469][ T10] netlink_unicast+0x449/0x710 [ 632.672469][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.672469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.672469][ T10] ___sys_sendmsg+0xee/0x170 [ 632.672469][ T10] __sys_sendmsg+0xcd/0x170 [ 632.672469][ T10] do_syscall_64+0xc6/0x1e0 [ 632.672469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.672469][ T10] [ 632.674032][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 632.674032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.674032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.674032][ T10] ipv6_find_idev+0x102/0x170 [ 632.674032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.674032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.674032][ T10] netlink_rcv_skb+0x130/0x360 [ 632.674032][ T10] netlink_unicast+0x449/0x710 [ 632.674032][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.674032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.674032][ T10] ___sys_sendmsg+0xee/0x170 [ 632.674032][ T10] __sys_sendmsg+0xcd/0x170 [ 632.674032][ T10] do_syscall_64+0xc6/0x1e0 [ 632.674032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.674032][ T10] [ 632.675763][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 632.676075][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 632.676075][ T10] netdev_get_by_index+0x5e/0x80 [ 632.676075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.676075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.676075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.676075][ T10] ipv6_add_addr+0x411/0x2000 [ 632.676075][ T10] inet6_addr_add+0x30e/0xa40 [ 632.676075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.676075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.676075][ T10] netlink_rcv_skb+0x130/0x360 [ 632.676075][ T10] netlink_unicast+0x449/0x710 [ 632.676075][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.676075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.676075][ T10] ___sys_sendmsg+0xee/0x170 [ 632.676075][ T10] __sys_sendmsg+0xcd/0x170 [ 632.676075][ T10] do_syscall_64+0xc6/0x1e0 [ 632.676075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.676075][ T10] [ 632.678076][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 632.678076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.678076][ T10] ipv6_find_idev+0x102/0x170 [ 632.678076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.678076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.678076][ T10] netlink_rcv_skb+0x130/0x360 [ 632.678076][ T10] netlink_unicast+0x449/0x710 [ 632.678076][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.678076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.678076][ T10] ___sys_sendmsg+0xee/0x170 [ 632.678076][ T10] __sys_sendmsg+0xcd/0x170 [ 632.678076][ T10] do_syscall_64+0xc6/0x1e0 [ 632.678076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.678076][ T10] [ 632.679763][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 632.679763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.679763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.679763][ T10] ipv6_find_idev+0x102/0x170 [ 632.679763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.679763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.679763][ T10] netlink_rcv_skb+0x130/0x360 [ 632.679763][ T10] netlink_unicast+0x449/0x710 [ 632.679763][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.679763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.679763][ T10] ___sys_sendmsg+0xee/0x170 [ 632.679763][ T10] __sys_sendmsg+0xcd/0x170 [ 632.679763][ T10] do_syscall_64+0xc6/0x1e0 [ 632.679763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.679763][ T10] [ 632.681466][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 632.681734][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 632.681734][ T10] netdev_get_by_index+0x5e/0x80 [ 632.681734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.681734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.681734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.681734][ T10] ipv6_add_addr+0x411/0x2000 [ 632.681734][ T10] inet6_addr_add+0x30e/0xa40 [ 632.681734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.681734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.681734][ T10] netlink_rcv_skb+0x130/0x360 [ 632.681734][ T10] netlink_unicast+0x449/0x710 [ 632.681734][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.681734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.681734][ T10] ___sys_sendmsg+0xee/0x170 [ 632.681734][ T10] __sys_sendmsg+0xcd/0x170 [ 632.681734][ T10] do_syscall_64+0xc6/0x1e0 [ 632.681734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.681734][ T10] [ 632.684183][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 632.684183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.684183][ T10] ipv6_find_idev+0x102/0x170 [ 632.684183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.684183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.684183][ T10] netlink_rcv_skb+0x130/0x360 [ 632.684183][ T10] netlink_unicast+0x449/0x710 [ 632.684183][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.684183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.684183][ T10] ___sys_sendmsg+0xee/0x170 [ 632.684183][ T10] __sys_sendmsg+0xcd/0x170 [ 632.684183][ T10] do_syscall_64+0xc6/0x1e0 [ 632.684183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.684183][ T10] [ 632.685731][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 632.685731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.685731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.685731][ T10] ipv6_find_idev+0x102/0x170 [ 632.685731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.685731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.685731][ T10] netlink_rcv_skb+0x130/0x360 [ 632.685731][ T10] netlink_unicast+0x449/0x710 [ 632.685731][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.685731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.685731][ T10] ___sys_sendmsg+0xee/0x170 [ 632.685731][ T10] __sys_sendmsg+0xcd/0x170 [ 632.685731][ T10] do_syscall_64+0xc6/0x1e0 [ 632.685731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.685731][ T10] [ 632.687440][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 632.687709][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 632.687709][ T10] netdev_get_by_index+0x5e/0x80 [ 632.687709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.687709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.687709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.687709][ T10] ipv6_add_addr+0x411/0x2000 [ 632.687709][ T10] inet6_addr_add+0x30e/0xa40 [ 632.687709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.687709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.687709][ T10] netlink_rcv_skb+0x130/0x360 [ 632.687709][ T10] netlink_unicast+0x449/0x710 [ 632.687709][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.687709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.687709][ T10] ___sys_sendmsg+0xee/0x170 [ 632.687709][ T10] __sys_sendmsg+0xcd/0x170 [ 632.687709][ T10] do_syscall_64+0xc6/0x1e0 [ 632.687709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.687709][ T10] [ 632.689736][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 632.689736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.689736][ T10] ipv6_find_idev+0x102/0x170 [ 632.689736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.689736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.689736][ T10] netlink_rcv_skb+0x130/0x360 [ 632.689736][ T10] netlink_unicast+0x449/0x710 [ 632.689736][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.689736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.689736][ T10] ___sys_sendmsg+0xee/0x170 [ 632.689736][ T10] __sys_sendmsg+0xcd/0x170 [ 632.689736][ T10] do_syscall_64+0xc6/0x1e0 [ 632.689736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.689736][ T10] [ 632.691282][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 632.691282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.691282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.691282][ T10] ipv6_find_idev+0x102/0x170 [ 632.691282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.691282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.691282][ T10] netlink_rcv_skb+0x130/0x360 [ 632.691282][ T10] netlink_unicast+0x449/0x710 [ 632.691282][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.691282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.691282][ T10] ___sys_sendmsg+0xee/0x170 [ 632.691282][ T10] __sys_sendmsg+0xcd/0x170 [ 632.691282][ T10] do_syscall_64+0xc6/0x1e0 [ 632.691282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.691282][ T10] [ 632.693401][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 632.694018][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 632.694018][ T10] netdev_get_by_index+0x5e/0x80 [ 632.694018][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.694018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.694018][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.694018][ T10] ipv6_add_addr+0x411/0x2000 [ 632.694018][ T10] inet6_addr_add+0x30e/0xa40 [ 632.694018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.694018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.694018][ T10] netlink_rcv_skb+0x130/0x360 [ 632.694018][ T10] netlink_unicast+0x449/0x710 [ 632.694018][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.694018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.694018][ T10] ___sys_sendmsg+0xee/0x170 [ 632.694018][ T10] __sys_sendmsg+0xcd/0x170 [ 632.694018][ T10] do_syscall_64+0xc6/0x1e0 [ 632.694018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.694018][ T10] [ 632.696021][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 632.696021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.696021][ T10] ipv6_find_idev+0x102/0x170 [ 632.696021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.696021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.696021][ T10] netlink_rcv_skb+0x130/0x360 [ 632.696021][ T10] netlink_unicast+0x449/0x710 [ 632.696021][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.696021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.696021][ T10] ___sys_sendmsg+0xee/0x170 [ 632.696021][ T10] __sys_sendmsg+0xcd/0x170 [ 632.696021][ T10] do_syscall_64+0xc6/0x1e0 [ 632.696021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.696021][ T10] [ 632.697568][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 632.697568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.697568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.697568][ T10] ipv6_find_idev+0x102/0x170 [ 632.697568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.697568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.697568][ T10] netlink_rcv_skb+0x130/0x360 [ 632.697568][ T10] netlink_unicast+0x449/0x710 [ 632.697568][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.697568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.697568][ T10] ___sys_sendmsg+0xee/0x170 [ 632.697568][ T10] __sys_sendmsg+0xcd/0x170 [ 632.697568][ T10] do_syscall_64+0xc6/0x1e0 [ 632.697568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.697568][ T10] [ 632.699278][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 632.699548][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 632.699548][ T10] netdev_get_by_index+0x5e/0x80 [ 632.699548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.699548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.699548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.699548][ T10] ipv6_add_addr+0x411/0x2000 [ 632.699548][ T10] inet6_addr_add+0x30e/0xa40 [ 632.699548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.699548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.699548][ T10] netlink_rcv_skb+0x130/0x360 [ 632.699548][ T10] netlink_unicast+0x449/0x710 [ 632.699548][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.699548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.699548][ T10] ___sys_sendmsg+0xee/0x170 [ 632.699548][ T10] __sys_sendmsg+0xcd/0x170 [ 632.699548][ T10] do_syscall_64+0xc6/0x1e0 [ 632.699548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.699548][ T10] [ 632.701562][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 632.701562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.701562][ T10] ipv6_find_idev+0x102/0x170 [ 632.701562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.701562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.701562][ T10] netlink_rcv_skb+0x130/0x360 [ 632.701562][ T10] netlink_unicast+0x449/0x710 [ 632.701562][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.701562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.701562][ T10] ___sys_sendmsg+0xee/0x170 [ 632.701562][ T10] __sys_sendmsg+0xcd/0x170 [ 632.701562][ T10] do_syscall_64+0xc6/0x1e0 [ 632.701562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.701562][ T10] [ 632.703183][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 632.703183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.703183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.703183][ T10] ipv6_find_idev+0x102/0x170 [ 632.703183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.703183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.703183][ T10] netlink_rcv_skb+0x130/0x360 [ 632.703183][ T10] netlink_unicast+0x449/0x710 [ 632.703183][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.703183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.703183][ T10] ___sys_sendmsg+0xee/0x170 [ 632.703183][ T10] __sys_sendmsg+0xcd/0x170 [ 632.703183][ T10] do_syscall_64+0xc6/0x1e0 [ 632.703183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.703183][ T10] [ 632.705107][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 632.705416][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 632.705416][ T10] netdev_get_by_index+0x5e/0x80 [ 632.705416][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.705416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.705416][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.705416][ T10] ipv6_add_addr+0x411/0x2000 [ 632.705416][ T10] inet6_addr_add+0x30e/0xa40 [ 632.705416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.705416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.705416][ T10] netlink_rcv_skb+0x130/0x360 [ 632.705416][ T10] netlink_unicast+0x449/0x710 [ 632.705416][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.705416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.705416][ T10] ___sys_sendmsg+0xee/0x170 [ 632.705416][ T10] __sys_sendmsg+0xcd/0x170 [ 632.705416][ T10] do_syscall_64+0xc6/0x1e0 [ 632.705416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.705416][ T10] [ 632.707610][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 632.707610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.707610][ T10] ipv6_find_idev+0x102/0x170 [ 632.707610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.707610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.707610][ T10] netlink_rcv_skb+0x130/0x360 [ 632.707610][ T10] netlink_unicast+0x449/0x710 [ 632.707610][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.707610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.707610][ T10] ___sys_sendmsg+0xee/0x170 [ 632.707610][ T10] __sys_sendmsg+0xcd/0x170 [ 632.707610][ T10] do_syscall_64+0xc6/0x1e0 [ 632.707610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.707610][ T10] [ 632.709351][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 632.709351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.709351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.709351][ T10] ipv6_find_idev+0x102/0x170 [ 632.709351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.709351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.709351][ T10] netlink_rcv_skb+0x130/0x360 [ 632.709351][ T10] netlink_unicast+0x449/0x710 [ 632.709351][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.709351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.709351][ T10] ___sys_sendmsg+0xee/0x170 [ 632.709351][ T10] __sys_sendmsg+0xcd/0x170 [ 632.709351][ T10] do_syscall_64+0xc6/0x1e0 [ 632.709351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.709351][ T10] [ 632.711338][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 632.711651][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 632.711651][ T10] netdev_get_by_index+0x5e/0x80 [ 632.711651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 632.711651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.711651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 632.711651][ T10] ipv6_add_addr+0x411/0x2000 [ 632.711651][ T10] inet6_addr_add+0x30e/0xa40 [ 632.711651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.711651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.711651][ T10] netlink_rcv_skb+0x130/0x360 [ 632.711651][ T10] netlink_unicast+0x449/0x710 [ 632.711651][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.711651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.711651][ T10] ___sys_sendmsg+0xee/0x170 [ 632.711651][ T10] __sys_sendmsg+0xcd/0x170 [ 632.711651][ T10] do_syscall_64+0xc6/0x1e0 [ 632.711651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.711651][ T10] [ 632.713842][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 632.713842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.713842][ T10] ipv6_find_idev+0x102/0x170 [ 632.713842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.713842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.713842][ T10] netlink_rcv_skb+0x130/0x360 [ 632.713842][ T10] netlink_unicast+0x449/0x710 [ 632.713842][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.713842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.713842][ T10] ___sys_sendmsg+0xee/0x170 [ 632.713842][ T10] __sys_sendmsg+0xcd/0x170 [ 632.713842][ T10] do_syscall_64+0xc6/0x1e0 [ 632.713842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.713842][ T10] [ 632.715586][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 632.715586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.715586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.715586][ T10] ipv6_find_idev+0x102/0x170 [ 632.715586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.715586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.715586][ T10] netlink_rcv_skb+0x130/0x360 [ 632.715586][ T10] netlink_unicast+0x449/0x710 [ 632.715586][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.715586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.715586][ T10] ___sys_sendmsg+0xee/0x170 [ 632.715586][ T10] __sys_sendmsg+0xcd/0x170 [ 632.715586][ T10] do_syscall_64+0xc6/0x1e0 [ 632.715586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.715586][ T10] [ 642.941917][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 642.942394][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 642.942394][ T10] netdev_get_by_index+0x5e/0x80 [ 642.942394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.942394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.942394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.942394][ T10] ipv6_add_addr+0x411/0x2000 [ 642.942394][ T10] inet6_addr_add+0x30e/0xa40 [ 642.942394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.942394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.942394][ T10] netlink_rcv_skb+0x130/0x360 [ 642.942394][ T10] netlink_unicast+0x449/0x710 [ 642.942394][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.942394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.942394][ T10] ___sys_sendmsg+0xee/0x170 [ 642.942394][ T10] __sys_sendmsg+0xcd/0x170 [ 642.942394][ T10] do_syscall_64+0xc6/0x1e0 [ 642.942394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.942394][ T10] [ 642.944420][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 642.944420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.944420][ T10] ipv6_find_idev+0x102/0x170 [ 642.944420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.944420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.944420][ T10] netlink_rcv_skb+0x130/0x360 [ 642.944420][ T10] netlink_unicast+0x449/0x710 [ 642.944420][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.944420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.944420][ T10] ___sys_sendmsg+0xee/0x170 [ 642.944420][ T10] __sys_sendmsg+0xcd/0x170 [ 642.944420][ T10] do_syscall_64+0xc6/0x1e0 [ 642.944420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.944420][ T10] [ 642.945967][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 642.945967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.945967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.945967][ T10] ipv6_find_idev+0x102/0x170 [ 642.945967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.945967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.945967][ T10] netlink_rcv_skb+0x130/0x360 [ 642.945967][ T10] netlink_unicast+0x449/0x710 [ 642.945967][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.945967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.945967][ T10] ___sys_sendmsg+0xee/0x170 [ 642.945967][ T10] __sys_sendmsg+0xcd/0x170 [ 642.945967][ T10] do_syscall_64+0xc6/0x1e0 [ 642.945967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.945967][ T10] [ 642.947699][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 642.948014][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 642.948014][ T10] netdev_get_by_index+0x5e/0x80 [ 642.948014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.948014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.948014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.948014][ T10] ipv6_add_addr+0x411/0x2000 [ 642.948014][ T10] inet6_addr_add+0x30e/0xa40 [ 642.948014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.948014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.948014][ T10] netlink_rcv_skb+0x130/0x360 [ 642.948014][ T10] netlink_unicast+0x449/0x710 [ 642.948014][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.948014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.948014][ T10] ___sys_sendmsg+0xee/0x170 [ 642.948014][ T10] __sys_sendmsg+0xcd/0x170 [ 642.948014][ T10] do_syscall_64+0xc6/0x1e0 [ 642.948014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.948014][ T10] [ 642.950029][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 642.950029][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.950029][ T10] ipv6_find_idev+0x102/0x170 [ 642.950029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.950029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.950029][ T10] netlink_rcv_skb+0x130/0x360 [ 642.950029][ T10] netlink_unicast+0x449/0x710 [ 642.950029][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.950029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.950029][ T10] ___sys_sendmsg+0xee/0x170 [ 642.950029][ T10] __sys_sendmsg+0xcd/0x170 [ 642.950029][ T10] do_syscall_64+0xc6/0x1e0 [ 642.950029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.950029][ T10] [ 642.951581][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 642.951581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.951581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.951581][ T10] ipv6_find_idev+0x102/0x170 [ 642.951581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.951581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.951581][ T10] netlink_rcv_skb+0x130/0x360 [ 642.951581][ T10] netlink_unicast+0x449/0x710 [ 642.951581][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.951581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.951581][ T10] ___sys_sendmsg+0xee/0x170 [ 642.951581][ T10] __sys_sendmsg+0xcd/0x170 [ 642.951581][ T10] do_syscall_64+0xc6/0x1e0 [ 642.951581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.951581][ T10] [ 642.953275][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 642.953566][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 642.953566][ T10] netdev_get_by_index+0x5e/0x80 [ 642.953566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.953566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.953566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.953566][ T10] ipv6_add_addr+0x411/0x2000 [ 642.953566][ T10] inet6_addr_add+0x30e/0xa40 [ 642.953566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.953566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.953566][ T10] netlink_rcv_skb+0x130/0x360 [ 642.953566][ T10] netlink_unicast+0x449/0x710 [ 642.953566][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.953566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.953566][ T10] ___sys_sendmsg+0xee/0x170 [ 642.953566][ T10] __sys_sendmsg+0xcd/0x170 [ 642.953566][ T10] do_syscall_64+0xc6/0x1e0 [ 642.953566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.953566][ T10] [ 642.955564][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 642.955564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.955564][ T10] ipv6_find_idev+0x102/0x170 [ 642.955564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.955564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.955564][ T10] netlink_rcv_skb+0x130/0x360 [ 642.955564][ T10] netlink_unicast+0x449/0x710 [ 642.955564][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.955564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.955564][ T10] ___sys_sendmsg+0xee/0x170 [ 642.955564][ T10] __sys_sendmsg+0xcd/0x170 [ 642.955564][ T10] do_syscall_64+0xc6/0x1e0 [ 642.955564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.955564][ T10] [ 642.957107][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 642.957107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.957107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.957107][ T10] ipv6_find_idev+0x102/0x170 [ 642.957107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.957107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.957107][ T10] netlink_rcv_skb+0x130/0x360 [ 642.957107][ T10] netlink_unicast+0x449/0x710 [ 642.957107][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.957107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.957107][ T10] ___sys_sendmsg+0xee/0x170 [ 642.957107][ T10] __sys_sendmsg+0xcd/0x170 [ 642.957107][ T10] do_syscall_64+0xc6/0x1e0 [ 642.957107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.957107][ T10] [ 642.958819][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 642.959087][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 642.959087][ T10] netdev_get_by_index+0x5e/0x80 [ 642.959087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.959087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.959087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.959087][ T10] ipv6_add_addr+0x411/0x2000 [ 642.959087][ T10] inet6_addr_add+0x30e/0xa40 [ 642.959087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.959087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.959087][ T10] netlink_rcv_skb+0x130/0x360 [ 642.959087][ T10] netlink_unicast+0x449/0x710 [ 642.959087][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.959087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.959087][ T10] ___sys_sendmsg+0xee/0x170 [ 642.959087][ T10] __sys_sendmsg+0xcd/0x170 [ 642.959087][ T10] do_syscall_64+0xc6/0x1e0 [ 642.959087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.959087][ T10] [ 642.961090][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 642.961090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.961090][ T10] ipv6_find_idev+0x102/0x170 [ 642.961090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.961090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.961090][ T10] netlink_rcv_skb+0x130/0x360 [ 642.961090][ T10] netlink_unicast+0x449/0x710 [ 642.961090][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.961090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.961090][ T10] ___sys_sendmsg+0xee/0x170 [ 642.961090][ T10] __sys_sendmsg+0xcd/0x170 [ 642.961090][ T10] do_syscall_64+0xc6/0x1e0 [ 642.961090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.961090][ T10] [ 642.962640][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 642.962640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.962640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.962640][ T10] ipv6_find_idev+0x102/0x170 [ 642.962640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.962640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.962640][ T10] netlink_rcv_skb+0x130/0x360 [ 642.962640][ T10] netlink_unicast+0x449/0x710 [ 642.962640][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.962640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.962640][ T10] ___sys_sendmsg+0xee/0x170 [ 642.962640][ T10] __sys_sendmsg+0xcd/0x170 [ 642.962640][ T10] do_syscall_64+0xc6/0x1e0 [ 642.962640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.962640][ T10] [ 642.964747][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 642.965350][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 642.965350][ T10] netdev_get_by_index+0x5e/0x80 [ 642.965350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.965350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.965350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.965350][ T10] ipv6_add_addr+0x411/0x2000 [ 642.965350][ T10] inet6_addr_add+0x30e/0xa40 [ 642.965350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.965350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.965350][ T10] netlink_rcv_skb+0x130/0x360 [ 642.965350][ T10] netlink_unicast+0x449/0x710 [ 642.965350][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.965350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.965350][ T10] ___sys_sendmsg+0xee/0x170 [ 642.965350][ T10] __sys_sendmsg+0xcd/0x170 [ 642.965350][ T10] do_syscall_64+0xc6/0x1e0 [ 642.965350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.965350][ T10] [ 642.967359][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 642.967359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.967359][ T10] ipv6_find_idev+0x102/0x170 [ 642.967359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.967359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.967359][ T10] netlink_rcv_skb+0x130/0x360 [ 642.967359][ T10] netlink_unicast+0x449/0x710 [ 642.967359][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.967359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.967359][ T10] ___sys_sendmsg+0xee/0x170 [ 642.967359][ T10] __sys_sendmsg+0xcd/0x170 [ 642.967359][ T10] do_syscall_64+0xc6/0x1e0 [ 642.967359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.967359][ T10] [ 642.968913][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 642.968913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.968913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.968913][ T10] ipv6_find_idev+0x102/0x170 [ 642.968913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.968913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.968913][ T10] netlink_rcv_skb+0x130/0x360 [ 642.968913][ T10] netlink_unicast+0x449/0x710 [ 642.968913][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.968913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.968913][ T10] ___sys_sendmsg+0xee/0x170 [ 642.968913][ T10] __sys_sendmsg+0xcd/0x170 [ 642.968913][ T10] do_syscall_64+0xc6/0x1e0 [ 642.968913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.968913][ T10] [ 642.970607][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 642.970934][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 642.970934][ T10] netdev_get_by_index+0x5e/0x80 [ 642.970934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.970934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.970934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.970934][ T10] ipv6_add_addr+0x411/0x2000 [ 642.970934][ T10] inet6_addr_add+0x30e/0xa40 [ 642.970934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.970934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.970934][ T10] netlink_rcv_skb+0x130/0x360 [ 642.970934][ T10] netlink_unicast+0x449/0x710 [ 642.970934][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.970934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.970934][ T10] ___sys_sendmsg+0xee/0x170 [ 642.970934][ T10] __sys_sendmsg+0xcd/0x170 [ 642.970934][ T10] do_syscall_64+0xc6/0x1e0 [ 642.970934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.970934][ T10] [ 642.972947][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 642.972947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.972947][ T10] ipv6_find_idev+0x102/0x170 [ 642.972947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.972947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.972947][ T10] netlink_rcv_skb+0x130/0x360 [ 642.972947][ T10] netlink_unicast+0x449/0x710 [ 642.972947][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.972947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.972947][ T10] ___sys_sendmsg+0xee/0x170 [ 642.972947][ T10] __sys_sendmsg+0xcd/0x170 [ 642.972947][ T10] do_syscall_64+0xc6/0x1e0 [ 642.972947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.972947][ T10] [ 642.974493][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 642.974493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.974493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.974493][ T10] ipv6_find_idev+0x102/0x170 [ 642.974493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.974493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.974493][ T10] netlink_rcv_skb+0x130/0x360 [ 642.974493][ T10] netlink_unicast+0x449/0x710 [ 642.974493][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.974493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.974493][ T10] ___sys_sendmsg+0xee/0x170 [ 642.974493][ T10] __sys_sendmsg+0xcd/0x170 [ 642.974493][ T10] do_syscall_64+0xc6/0x1e0 [ 642.974493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.974493][ T10] [ 642.976534][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 642.976861][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 642.976861][ T10] netdev_get_by_index+0x5e/0x80 [ 642.976861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.976861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.976861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.976861][ T10] ipv6_add_addr+0x411/0x2000 [ 642.976861][ T10] inet6_addr_add+0x30e/0xa40 [ 642.976861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.976861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.976861][ T10] netlink_rcv_skb+0x130/0x360 [ 642.976861][ T10] netlink_unicast+0x449/0x710 [ 642.976861][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.976861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.976861][ T10] ___sys_sendmsg+0xee/0x170 [ 642.976861][ T10] __sys_sendmsg+0xcd/0x170 [ 642.976861][ T10] do_syscall_64+0xc6/0x1e0 [ 642.976861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.976861][ T10] [ 642.979054][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 642.979054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.979054][ T10] ipv6_find_idev+0x102/0x170 [ 642.979054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.979054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.979054][ T10] netlink_rcv_skb+0x130/0x360 [ 642.979054][ T10] netlink_unicast+0x449/0x710 [ 642.979054][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.979054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.979054][ T10] ___sys_sendmsg+0xee/0x170 [ 642.979054][ T10] __sys_sendmsg+0xcd/0x170 [ 642.979054][ T10] do_syscall_64+0xc6/0x1e0 [ 642.979054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.979054][ T10] [ 642.980706][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 642.980706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.980706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.980706][ T10] ipv6_find_idev+0x102/0x170 [ 642.980706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.980706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.980706][ T10] netlink_rcv_skb+0x130/0x360 [ 642.980706][ T10] netlink_unicast+0x449/0x710 [ 642.980706][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.980706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.980706][ T10] ___sys_sendmsg+0xee/0x170 [ 642.980706][ T10] __sys_sendmsg+0xcd/0x170 [ 642.980706][ T10] do_syscall_64+0xc6/0x1e0 [ 642.980706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.980706][ T10] [ 642.982664][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 642.982986][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 642.982986][ T10] netdev_get_by_index+0x5e/0x80 [ 642.982986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 642.982986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.982986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 642.982986][ T10] ipv6_add_addr+0x411/0x2000 [ 642.982986][ T10] inet6_addr_add+0x30e/0xa40 [ 642.982986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.982986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.982986][ T10] netlink_rcv_skb+0x130/0x360 [ 642.982986][ T10] netlink_unicast+0x449/0x710 [ 642.982986][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.982986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.982986][ T10] ___sys_sendmsg+0xee/0x170 [ 642.982986][ T10] __sys_sendmsg+0xcd/0x170 [ 642.982986][ T10] do_syscall_64+0xc6/0x1e0 [ 642.982986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.982986][ T10] [ 642.985180][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 642.985180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.985180][ T10] ipv6_find_idev+0x102/0x170 [ 642.985180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.985180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.985180][ T10] netlink_rcv_skb+0x130/0x360 [ 642.985180][ T10] netlink_unicast+0x449/0x710 [ 642.985180][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.985180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.985180][ T10] ___sys_sendmsg+0xee/0x170 [ 642.985180][ T10] __sys_sendmsg+0xcd/0x170 [ 642.985180][ T10] do_syscall_64+0xc6/0x1e0 [ 642.985180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.985180][ T10] [ 642.987413][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 642.987413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.987413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.987413][ T10] ipv6_find_idev+0x102/0x170 [ 642.987413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.987413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.987413][ T10] netlink_rcv_skb+0x130/0x360 [ 642.987413][ T10] netlink_unicast+0x449/0x710 [ 642.987413][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.987413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.987413][ T10] ___sys_sendmsg+0xee/0x170 [ 642.987413][ T10] __sys_sendmsg+0xcd/0x170 [ 642.987413][ T10] do_syscall_64+0xc6/0x1e0 [ 642.987413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.987413][ T10] [ 653.229923][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 653.230409][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 653.230409][ T10] netdev_get_by_index+0x5e/0x80 [ 653.230409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.230409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.230409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.230409][ T10] ipv6_add_addr+0x411/0x2000 [ 653.230409][ T10] inet6_addr_add+0x30e/0xa40 [ 653.230409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.230409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.230409][ T10] netlink_rcv_skb+0x130/0x360 [ 653.230409][ T10] netlink_unicast+0x449/0x710 [ 653.230409][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.230409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.230409][ T10] ___sys_sendmsg+0xee/0x170 [ 653.230409][ T10] __sys_sendmsg+0xcd/0x170 [ 653.230409][ T10] do_syscall_64+0xc6/0x1e0 [ 653.230409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.230409][ T10] [ 653.232421][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 653.232421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.232421][ T10] ipv6_find_idev+0x102/0x170 [ 653.232421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.232421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.232421][ T10] netlink_rcv_skb+0x130/0x360 [ 653.232421][ T10] netlink_unicast+0x449/0x710 [ 653.232421][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.232421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.232421][ T10] ___sys_sendmsg+0xee/0x170 [ 653.232421][ T10] __sys_sendmsg+0xcd/0x170 [ 653.232421][ T10] do_syscall_64+0xc6/0x1e0 [ 653.232421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.232421][ T10] [ 653.233956][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 653.233956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.233956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.233956][ T10] ipv6_find_idev+0x102/0x170 [ 653.233956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.233956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.233956][ T10] netlink_rcv_skb+0x130/0x360 [ 653.233956][ T10] netlink_unicast+0x449/0x710 [ 653.233956][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.233956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.233956][ T10] ___sys_sendmsg+0xee/0x170 [ 653.233956][ T10] __sys_sendmsg+0xcd/0x170 [ 653.233956][ T10] do_syscall_64+0xc6/0x1e0 [ 653.233956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.233956][ T10] [ 653.235631][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 653.235915][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 653.235915][ T10] netdev_get_by_index+0x5e/0x80 [ 653.235915][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.235915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.235915][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.235915][ T10] ipv6_add_addr+0x411/0x2000 [ 653.235915][ T10] inet6_addr_add+0x30e/0xa40 [ 653.235915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.235915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.235915][ T10] netlink_rcv_skb+0x130/0x360 [ 653.235915][ T10] netlink_unicast+0x449/0x710 [ 653.235915][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.235915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.235915][ T10] ___sys_sendmsg+0xee/0x170 [ 653.235915][ T10] __sys_sendmsg+0xcd/0x170 [ 653.235915][ T10] do_syscall_64+0xc6/0x1e0 [ 653.235915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.235915][ T10] [ 653.237896][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 653.237896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.237896][ T10] ipv6_find_idev+0x102/0x170 [ 653.237896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.237896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.237896][ T10] netlink_rcv_skb+0x130/0x360 [ 653.237896][ T10] netlink_unicast+0x449/0x710 [ 653.237896][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.237896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.237896][ T10] ___sys_sendmsg+0xee/0x170 [ 653.237896][ T10] __sys_sendmsg+0xcd/0x170 [ 653.237896][ T10] do_syscall_64+0xc6/0x1e0 [ 653.237896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.237896][ T10] [ 653.239425][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 653.239425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.239425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.239425][ T10] ipv6_find_idev+0x102/0x170 [ 653.239425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.239425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.239425][ T10] netlink_rcv_skb+0x130/0x360 [ 653.239425][ T10] netlink_unicast+0x449/0x710 [ 653.239425][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.239425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.239425][ T10] ___sys_sendmsg+0xee/0x170 [ 653.239425][ T10] __sys_sendmsg+0xcd/0x170 [ 653.239425][ T10] do_syscall_64+0xc6/0x1e0 [ 653.239425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.239425][ T10] [ 653.241085][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 653.241363][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 653.241363][ T10] netdev_get_by_index+0x5e/0x80 [ 653.241363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.241363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.241363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.241363][ T10] ipv6_add_addr+0x411/0x2000 [ 653.241363][ T10] inet6_addr_add+0x30e/0xa40 [ 653.241363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.241363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.241363][ T10] netlink_rcv_skb+0x130/0x360 [ 653.241363][ T10] netlink_unicast+0x449/0x710 [ 653.241363][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.241363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.241363][ T10] ___sys_sendmsg+0xee/0x170 [ 653.241363][ T10] __sys_sendmsg+0xcd/0x170 [ 653.241363][ T10] do_syscall_64+0xc6/0x1e0 [ 653.241363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.241363][ T10] [ 653.243337][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 653.243337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.243337][ T10] ipv6_find_idev+0x102/0x170 [ 653.243337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.243337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.243337][ T10] netlink_rcv_skb+0x130/0x360 [ 653.243337][ T10] netlink_unicast+0x449/0x710 [ 653.243337][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.243337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.243337][ T10] ___sys_sendmsg+0xee/0x170 [ 653.243337][ T10] __sys_sendmsg+0xcd/0x170 [ 653.243337][ T10] do_syscall_64+0xc6/0x1e0 [ 653.243337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.243337][ T10] [ 653.244862][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 653.244862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.244862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.244862][ T10] ipv6_find_idev+0x102/0x170 [ 653.244862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.244862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.244862][ T10] netlink_rcv_skb+0x130/0x360 [ 653.244862][ T10] netlink_unicast+0x449/0x710 [ 653.244862][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.244862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.244862][ T10] ___sys_sendmsg+0xee/0x170 [ 653.244862][ T10] __sys_sendmsg+0xcd/0x170 [ 653.244862][ T10] do_syscall_64+0xc6/0x1e0 [ 653.244862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.244862][ T10] [ 653.246523][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 653.246786][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 653.246786][ T10] netdev_get_by_index+0x5e/0x80 [ 653.246786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.246786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.246786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.246786][ T10] ipv6_add_addr+0x411/0x2000 [ 653.246786][ T10] inet6_addr_add+0x30e/0xa40 [ 653.246786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.246786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.246786][ T10] netlink_rcv_skb+0x130/0x360 [ 653.246786][ T10] netlink_unicast+0x449/0x710 [ 653.246786][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.246786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.246786][ T10] ___sys_sendmsg+0xee/0x170 [ 653.246786][ T10] __sys_sendmsg+0xcd/0x170 [ 653.246786][ T10] do_syscall_64+0xc6/0x1e0 [ 653.246786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.246786][ T10] [ 653.248760][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 653.248760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.248760][ T10] ipv6_find_idev+0x102/0x170 [ 653.248760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.248760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.248760][ T10] netlink_rcv_skb+0x130/0x360 [ 653.248760][ T10] netlink_unicast+0x449/0x710 [ 653.248760][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.248760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.248760][ T10] ___sys_sendmsg+0xee/0x170 [ 653.248760][ T10] __sys_sendmsg+0xcd/0x170 [ 653.248760][ T10] do_syscall_64+0xc6/0x1e0 [ 653.248760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.248760][ T10] [ 653.250295][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 653.250295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.250295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.250295][ T10] ipv6_find_idev+0x102/0x170 [ 653.250295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.250295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.250295][ T10] netlink_rcv_skb+0x130/0x360 [ 653.250295][ T10] netlink_unicast+0x449/0x710 [ 653.250295][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.250295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.250295][ T10] ___sys_sendmsg+0xee/0x170 [ 653.250295][ T10] __sys_sendmsg+0xcd/0x170 [ 653.250295][ T10] do_syscall_64+0xc6/0x1e0 [ 653.250295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.250295][ T10] [ 653.252353][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 653.252613][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 653.252613][ T10] netdev_get_by_index+0x5e/0x80 [ 653.252613][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.252613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.252613][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.252613][ T10] ipv6_add_addr+0x411/0x2000 [ 653.252613][ T10] inet6_addr_add+0x30e/0xa40 [ 653.252613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.252613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.252613][ T10] netlink_rcv_skb+0x130/0x360 [ 653.252613][ T10] netlink_unicast+0x449/0x710 [ 653.252613][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.252613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.252613][ T10] ___sys_sendmsg+0xee/0x170 [ 653.252613][ T10] __sys_sendmsg+0xcd/0x170 [ 653.252613][ T10] do_syscall_64+0xc6/0x1e0 [ 653.252613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.252613][ T10] [ 653.254572][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 653.254572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.254572][ T10] ipv6_find_idev+0x102/0x170 [ 653.254572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.254572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.254572][ T10] netlink_rcv_skb+0x130/0x360 [ 653.254572][ T10] netlink_unicast+0x449/0x710 [ 653.254572][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.254572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.254572][ T10] ___sys_sendmsg+0xee/0x170 [ 653.254572][ T10] __sys_sendmsg+0xcd/0x170 [ 653.254572][ T10] do_syscall_64+0xc6/0x1e0 [ 653.254572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.254572][ T10] [ 653.256082][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 653.256082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.256082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.256082][ T10] ipv6_find_idev+0x102/0x170 [ 653.256082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.256082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.256082][ T10] netlink_rcv_skb+0x130/0x360 [ 653.256082][ T10] netlink_unicast+0x449/0x710 [ 653.256082][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.256082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.256082][ T10] ___sys_sendmsg+0xee/0x170 [ 653.256082][ T10] __sys_sendmsg+0xcd/0x170 [ 653.256082][ T10] do_syscall_64+0xc6/0x1e0 [ 653.256082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.256082][ T10] [ 653.257794][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 653.258052][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 653.258052][ T10] netdev_get_by_index+0x5e/0x80 [ 653.258052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.258052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.258052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.258052][ T10] ipv6_add_addr+0x411/0x2000 [ 653.258052][ T10] inet6_addr_add+0x30e/0xa40 [ 653.258052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.258052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.258052][ T10] netlink_rcv_skb+0x130/0x360 [ 653.258052][ T10] netlink_unicast+0x449/0x710 [ 653.258052][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.258052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.258052][ T10] ___sys_sendmsg+0xee/0x170 [ 653.258052][ T10] __sys_sendmsg+0xcd/0x170 [ 653.258052][ T10] do_syscall_64+0xc6/0x1e0 [ 653.258052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.258052][ T10] [ 653.260164][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 653.260164][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.260164][ T10] ipv6_find_idev+0x102/0x170 [ 653.260164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.260164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.260164][ T10] netlink_rcv_skb+0x130/0x360 [ 653.260164][ T10] netlink_unicast+0x449/0x710 [ 653.260164][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.260164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.260164][ T10] ___sys_sendmsg+0xee/0x170 [ 653.260164][ T10] __sys_sendmsg+0xcd/0x170 [ 653.260164][ T10] do_syscall_64+0xc6/0x1e0 [ 653.260164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.260164][ T10] [ 653.261915][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 653.261915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.261915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.261915][ T10] ipv6_find_idev+0x102/0x170 [ 653.261915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.261915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.261915][ T10] netlink_rcv_skb+0x130/0x360 [ 653.261915][ T10] netlink_unicast+0x449/0x710 [ 653.261915][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.261915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.261915][ T10] ___sys_sendmsg+0xee/0x170 [ 653.261915][ T10] __sys_sendmsg+0xcd/0x170 [ 653.261915][ T10] do_syscall_64+0xc6/0x1e0 [ 653.261915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.261915][ T10] [ 653.263793][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 653.264059][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 653.264059][ T10] netdev_get_by_index+0x5e/0x80 [ 653.264059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.264059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.264059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.264059][ T10] ipv6_add_addr+0x411/0x2000 [ 653.264059][ T10] inet6_addr_add+0x30e/0xa40 [ 653.264059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.264059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.264059][ T10] netlink_rcv_skb+0x130/0x360 [ 653.264059][ T10] netlink_unicast+0x449/0x710 [ 653.264059][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.264059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.264059][ T10] ___sys_sendmsg+0xee/0x170 [ 653.264059][ T10] __sys_sendmsg+0xcd/0x170 [ 653.264059][ T10] do_syscall_64+0xc6/0x1e0 [ 653.264059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.264059][ T10] [ 653.266266][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 653.266266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.266266][ T10] ipv6_find_idev+0x102/0x170 [ 653.266266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.266266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.266266][ T10] netlink_rcv_skb+0x130/0x360 [ 653.266266][ T10] netlink_unicast+0x449/0x710 [ 653.266266][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.266266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.266266][ T10] ___sys_sendmsg+0xee/0x170 [ 653.266266][ T10] __sys_sendmsg+0xcd/0x170 [ 653.266266][ T10] do_syscall_64+0xc6/0x1e0 [ 653.266266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.266266][ T10] [ 653.267964][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 653.267964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.267964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.267964][ T10] ipv6_find_idev+0x102/0x170 [ 653.267964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.267964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.267964][ T10] netlink_rcv_skb+0x130/0x360 [ 653.267964][ T10] netlink_unicast+0x449/0x710 [ 653.267964][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.267964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.267964][ T10] ___sys_sendmsg+0xee/0x170 [ 653.267964][ T10] __sys_sendmsg+0xcd/0x170 [ 653.267964][ T10] do_syscall_64+0xc6/0x1e0 [ 653.267964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.267964][ T10] [ 653.269850][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 653.270108][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 653.270108][ T10] netdev_get_by_index+0x5e/0x80 [ 653.270108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 653.270108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 653.270108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 653.270108][ T10] ipv6_add_addr+0x411/0x2000 [ 653.270108][ T10] inet6_addr_add+0x30e/0xa40 [ 653.270108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 653.270108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.270108][ T10] netlink_rcv_skb+0x130/0x360 [ 653.270108][ T10] netlink_unicast+0x449/0x710 [ 653.270108][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.270108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.270108][ T10] ___sys_sendmsg+0xee/0x170 [ 653.270108][ T10] __sys_sendmsg+0xcd/0x170 [ 653.270108][ T10] do_syscall_64+0xc6/0x1e0 [ 653.270108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.270108][ T10] [ 653.272374][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 653.272374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 653.272374][ T10] ipv6_find_idev+0x102/0x170 [ 653.272374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.272374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.272374][ T10] netlink_rcv_skb+0x130/0x360 [ 653.272374][ T10] netlink_unicast+0x449/0x710 [ 653.272374][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.272374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.272374][ T10] ___sys_sendmsg+0xee/0x170 [ 653.272374][ T10] __sys_sendmsg+0xcd/0x170 [ 653.272374][ T10] do_syscall_64+0xc6/0x1e0 [ 653.272374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.272374][ T10] [ 653.274070][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 653.274070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 653.274070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 653.274070][ T10] ipv6_find_idev+0x102/0x170 [ 653.274070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 653.274070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 653.274070][ T10] netlink_rcv_skb+0x130/0x360 [ 653.274070][ T10] netlink_unicast+0x449/0x710 [ 653.274070][ T10] netlink_sendmsg+0x723/0xbe0 [ 653.274070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 653.274070][ T10] ___sys_sendmsg+0xee/0x170 [ 653.274070][ T10] __sys_sendmsg+0xcd/0x170 [ 653.274070][ T10] do_syscall_64+0xc6/0x1e0 [ 653.274070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 653.274070][ T10] [ 663.365892][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 663.366326][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 663.366326][ T10] netdev_get_by_index+0x5e/0x80 [ 663.366326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.366326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.366326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.366326][ T10] ipv6_add_addr+0x411/0x2000 [ 663.366326][ T10] inet6_addr_add+0x30e/0xa40 [ 663.366326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.366326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.366326][ T10] netlink_rcv_skb+0x130/0x360 [ 663.366326][ T10] netlink_unicast+0x449/0x710 [ 663.366326][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.366326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.366326][ T10] ___sys_sendmsg+0xee/0x170 [ 663.366326][ T10] __sys_sendmsg+0xcd/0x170 [ 663.366326][ T10] do_syscall_64+0xc6/0x1e0 [ 663.366326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.366326][ T10] [ 663.368374][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 663.368374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.368374][ T10] ipv6_find_idev+0x102/0x170 [ 663.368374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.368374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.368374][ T10] netlink_rcv_skb+0x130/0x360 [ 663.368374][ T10] netlink_unicast+0x449/0x710 [ 663.368374][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.368374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.368374][ T10] ___sys_sendmsg+0xee/0x170 [ 663.368374][ T10] __sys_sendmsg+0xcd/0x170 [ 663.368374][ T10] do_syscall_64+0xc6/0x1e0 [ 663.368374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.368374][ T10] [ 663.369911][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 663.369911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.369911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.369911][ T10] ipv6_find_idev+0x102/0x170 [ 663.369911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.369911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.369911][ T10] netlink_rcv_skb+0x130/0x360 [ 663.369911][ T10] netlink_unicast+0x449/0x710 [ 663.369911][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.369911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.369911][ T10] ___sys_sendmsg+0xee/0x170 [ 663.369911][ T10] __sys_sendmsg+0xcd/0x170 [ 663.369911][ T10] do_syscall_64+0xc6/0x1e0 [ 663.369911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.369911][ T10] [ 663.371610][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 663.371898][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 663.371898][ T10] netdev_get_by_index+0x5e/0x80 [ 663.371898][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.371898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.371898][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.371898][ T10] ipv6_add_addr+0x411/0x2000 [ 663.371898][ T10] inet6_addr_add+0x30e/0xa40 [ 663.371898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.371898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.371898][ T10] netlink_rcv_skb+0x130/0x360 [ 663.371898][ T10] netlink_unicast+0x449/0x710 [ 663.371898][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.371898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.371898][ T10] ___sys_sendmsg+0xee/0x170 [ 663.371898][ T10] __sys_sendmsg+0xcd/0x170 [ 663.371898][ T10] do_syscall_64+0xc6/0x1e0 [ 663.371898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.371898][ T10] [ 663.373890][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 663.373890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.373890][ T10] ipv6_find_idev+0x102/0x170 [ 663.373890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.373890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.373890][ T10] netlink_rcv_skb+0x130/0x360 [ 663.373890][ T10] netlink_unicast+0x449/0x710 [ 663.373890][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.373890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.373890][ T10] ___sys_sendmsg+0xee/0x170 [ 663.373890][ T10] __sys_sendmsg+0xcd/0x170 [ 663.373890][ T10] do_syscall_64+0xc6/0x1e0 [ 663.373890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.373890][ T10] [ 663.375435][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 663.375435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.375435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.375435][ T10] ipv6_find_idev+0x102/0x170 [ 663.375435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.375435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.375435][ T10] netlink_rcv_skb+0x130/0x360 [ 663.375435][ T10] netlink_unicast+0x449/0x710 [ 663.375435][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.375435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.375435][ T10] ___sys_sendmsg+0xee/0x170 [ 663.375435][ T10] __sys_sendmsg+0xcd/0x170 [ 663.375435][ T10] do_syscall_64+0xc6/0x1e0 [ 663.375435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.375435][ T10] [ 663.377105][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 663.377371][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 663.377371][ T10] netdev_get_by_index+0x5e/0x80 [ 663.377371][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.377371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.377371][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.377371][ T10] ipv6_add_addr+0x411/0x2000 [ 663.377371][ T10] inet6_addr_add+0x30e/0xa40 [ 663.377371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.377371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.377371][ T10] netlink_rcv_skb+0x130/0x360 [ 663.377371][ T10] netlink_unicast+0x449/0x710 [ 663.377371][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.377371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.377371][ T10] ___sys_sendmsg+0xee/0x170 [ 663.377371][ T10] __sys_sendmsg+0xcd/0x170 [ 663.377371][ T10] do_syscall_64+0xc6/0x1e0 [ 663.377371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.377371][ T10] [ 663.379785][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 663.379785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.379785][ T10] ipv6_find_idev+0x102/0x170 [ 663.379785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.379785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.379785][ T10] netlink_rcv_skb+0x130/0x360 [ 663.379785][ T10] netlink_unicast+0x449/0x710 [ 663.379785][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.379785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.379785][ T10] ___sys_sendmsg+0xee/0x170 [ 663.379785][ T10] __sys_sendmsg+0xcd/0x170 [ 663.379785][ T10] do_syscall_64+0xc6/0x1e0 [ 663.379785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.379785][ T10] [ 663.381306][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 663.381306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.381306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.381306][ T10] ipv6_find_idev+0x102/0x170 [ 663.381306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.381306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.381306][ T10] netlink_rcv_skb+0x130/0x360 [ 663.381306][ T10] netlink_unicast+0x449/0x710 [ 663.381306][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.381306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.381306][ T10] ___sys_sendmsg+0xee/0x170 [ 663.381306][ T10] __sys_sendmsg+0xcd/0x170 [ 663.381306][ T10] do_syscall_64+0xc6/0x1e0 [ 663.381306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.381306][ T10] [ 663.383006][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 663.383282][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 663.383282][ T10] netdev_get_by_index+0x5e/0x80 [ 663.383282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.383282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.383282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.383282][ T10] ipv6_add_addr+0x411/0x2000 [ 663.383282][ T10] inet6_addr_add+0x30e/0xa40 [ 663.383282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.383282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.383282][ T10] netlink_rcv_skb+0x130/0x360 [ 663.383282][ T10] netlink_unicast+0x449/0x710 [ 663.383282][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.383282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.383282][ T10] ___sys_sendmsg+0xee/0x170 [ 663.383282][ T10] __sys_sendmsg+0xcd/0x170 [ 663.383282][ T10] do_syscall_64+0xc6/0x1e0 [ 663.383282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.383282][ T10] [ 663.385258][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 663.385258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.385258][ T10] ipv6_find_idev+0x102/0x170 [ 663.385258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.385258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.385258][ T10] netlink_rcv_skb+0x130/0x360 [ 663.385258][ T10] netlink_unicast+0x449/0x710 [ 663.385258][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.385258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.385258][ T10] ___sys_sendmsg+0xee/0x170 [ 663.385258][ T10] __sys_sendmsg+0xcd/0x170 [ 663.385258][ T10] do_syscall_64+0xc6/0x1e0 [ 663.385258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.385258][ T10] [ 663.386784][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 663.386784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.386784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.386784][ T10] ipv6_find_idev+0x102/0x170 [ 663.386784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.386784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.386784][ T10] netlink_rcv_skb+0x130/0x360 [ 663.386784][ T10] netlink_unicast+0x449/0x710 [ 663.386784][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.386784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.386784][ T10] ___sys_sendmsg+0xee/0x170 [ 663.386784][ T10] __sys_sendmsg+0xcd/0x170 [ 663.386784][ T10] do_syscall_64+0xc6/0x1e0 [ 663.386784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.386784][ T10] [ 663.388933][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 663.389224][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 663.389224][ T10] netdev_get_by_index+0x5e/0x80 [ 663.389224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.389224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.389224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.389224][ T10] ipv6_add_addr+0x411/0x2000 [ 663.389224][ T10] inet6_addr_add+0x30e/0xa40 [ 663.389224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.389224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.389224][ T10] netlink_rcv_skb+0x130/0x360 [ 663.389224][ T10] netlink_unicast+0x449/0x710 [ 663.389224][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.389224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.389224][ T10] ___sys_sendmsg+0xee/0x170 [ 663.389224][ T10] __sys_sendmsg+0xcd/0x170 [ 663.389224][ T10] do_syscall_64+0xc6/0x1e0 [ 663.389224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.389224][ T10] [ 663.391231][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 663.391231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.391231][ T10] ipv6_find_idev+0x102/0x170 [ 663.391231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.391231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.391231][ T10] netlink_rcv_skb+0x130/0x360 [ 663.391231][ T10] netlink_unicast+0x449/0x710 [ 663.391231][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.391231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.391231][ T10] ___sys_sendmsg+0xee/0x170 [ 663.391231][ T10] __sys_sendmsg+0xcd/0x170 [ 663.391231][ T10] do_syscall_64+0xc6/0x1e0 [ 663.391231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.391231][ T10] [ 663.392766][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 663.392766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.392766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.392766][ T10] ipv6_find_idev+0x102/0x170 [ 663.392766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.392766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.392766][ T10] netlink_rcv_skb+0x130/0x360 [ 663.392766][ T10] netlink_unicast+0x449/0x710 [ 663.392766][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.392766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.392766][ T10] ___sys_sendmsg+0xee/0x170 [ 663.392766][ T10] __sys_sendmsg+0xcd/0x170 [ 663.392766][ T10] do_syscall_64+0xc6/0x1e0 [ 663.392766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.392766][ T10] [ 663.394487][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 663.394746][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 663.394746][ T10] netdev_get_by_index+0x5e/0x80 [ 663.394746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.394746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.394746][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.394746][ T10] ipv6_add_addr+0x411/0x2000 [ 663.394746][ T10] inet6_addr_add+0x30e/0xa40 [ 663.394746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.394746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.394746][ T10] netlink_rcv_skb+0x130/0x360 [ 663.394746][ T10] netlink_unicast+0x449/0x710 [ 663.394746][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.394746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.394746][ T10] ___sys_sendmsg+0xee/0x170 [ 663.394746][ T10] __sys_sendmsg+0xcd/0x170 [ 663.394746][ T10] do_syscall_64+0xc6/0x1e0 [ 663.394746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.394746][ T10] [ 663.396872][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 663.396872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.396872][ T10] ipv6_find_idev+0x102/0x170 [ 663.396872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.396872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.396872][ T10] netlink_rcv_skb+0x130/0x360 [ 663.396872][ T10] netlink_unicast+0x449/0x710 [ 663.396872][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.396872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.396872][ T10] ___sys_sendmsg+0xee/0x170 [ 663.396872][ T10] __sys_sendmsg+0xcd/0x170 [ 663.396872][ T10] do_syscall_64+0xc6/0x1e0 [ 663.396872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.396872][ T10] [ 663.398652][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 663.398652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.398652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.398652][ T10] ipv6_find_idev+0x102/0x170 [ 663.398652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.398652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.398652][ T10] netlink_rcv_skb+0x130/0x360 [ 663.398652][ T10] netlink_unicast+0x449/0x710 [ 663.398652][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.398652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.398652][ T10] ___sys_sendmsg+0xee/0x170 [ 663.398652][ T10] __sys_sendmsg+0xcd/0x170 [ 663.398652][ T10] do_syscall_64+0xc6/0x1e0 [ 663.398652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.398652][ T10] [ 663.400552][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 663.400815][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 663.400815][ T10] netdev_get_by_index+0x5e/0x80 [ 663.400815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.400815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.400815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.400815][ T10] ipv6_add_addr+0x411/0x2000 [ 663.400815][ T10] inet6_addr_add+0x30e/0xa40 [ 663.400815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.400815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.400815][ T10] netlink_rcv_skb+0x130/0x360 [ 663.400815][ T10] netlink_unicast+0x449/0x710 [ 663.400815][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.400815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.400815][ T10] ___sys_sendmsg+0xee/0x170 [ 663.400815][ T10] __sys_sendmsg+0xcd/0x170 [ 663.400815][ T10] do_syscall_64+0xc6/0x1e0 [ 663.400815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.400815][ T10] [ 663.403054][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 663.403054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.403054][ T10] ipv6_find_idev+0x102/0x170 [ 663.403054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.403054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.403054][ T10] netlink_rcv_skb+0x130/0x360 [ 663.403054][ T10] netlink_unicast+0x449/0x710 [ 663.403054][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.403054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.403054][ T10] ___sys_sendmsg+0xee/0x170 [ 663.403054][ T10] __sys_sendmsg+0xcd/0x170 [ 663.403054][ T10] do_syscall_64+0xc6/0x1e0 [ 663.403054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.403054][ T10] [ 663.404752][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 663.404752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.404752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.404752][ T10] ipv6_find_idev+0x102/0x170 [ 663.404752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.404752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.404752][ T10] netlink_rcv_skb+0x130/0x360 [ 663.404752][ T10] netlink_unicast+0x449/0x710 [ 663.404752][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.404752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.404752][ T10] ___sys_sendmsg+0xee/0x170 [ 663.404752][ T10] __sys_sendmsg+0xcd/0x170 [ 663.404752][ T10] do_syscall_64+0xc6/0x1e0 [ 663.404752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.404752][ T10] [ 663.406652][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 663.407015][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 663.407015][ T10] netdev_get_by_index+0x5e/0x80 [ 663.407015][ T10] fib6_nh_init+0x3d8/0x15b0 [ 663.407015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 663.407015][ T10] addrconf_f6i_alloc+0x244/0x410 [ 663.407015][ T10] ipv6_add_addr+0x411/0x2000 [ 663.407015][ T10] inet6_addr_add+0x30e/0xa40 [ 663.407015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 663.407015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.407015][ T10] netlink_rcv_skb+0x130/0x360 [ 663.407015][ T10] netlink_unicast+0x449/0x710 [ 663.407015][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.407015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.407015][ T10] ___sys_sendmsg+0xee/0x170 [ 663.407015][ T10] __sys_sendmsg+0xcd/0x170 [ 663.407015][ T10] do_syscall_64+0xc6/0x1e0 [ 663.407015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.407015][ T10] [ 663.409246][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 663.409246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 663.409246][ T10] ipv6_find_idev+0x102/0x170 [ 663.409246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.409246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.409246][ T10] netlink_rcv_skb+0x130/0x360 [ 663.409246][ T10] netlink_unicast+0x449/0x710 [ 663.409246][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.409246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.409246][ T10] ___sys_sendmsg+0xee/0x170 [ 663.409246][ T10] __sys_sendmsg+0xcd/0x170 [ 663.409246][ T10] do_syscall_64+0xc6/0x1e0 [ 663.409246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.409246][ T10] [ 663.410970][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 663.410970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 663.410970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 663.410970][ T10] ipv6_find_idev+0x102/0x170 [ 663.410970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 663.410970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 663.410970][ T10] netlink_rcv_skb+0x130/0x360 [ 663.410970][ T10] netlink_unicast+0x449/0x710 [ 663.410970][ T10] netlink_sendmsg+0x723/0xbe0 [ 663.410970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 663.410970][ T10] ___sys_sendmsg+0xee/0x170 [ 663.410970][ T10] __sys_sendmsg+0xcd/0x170 [ 663.410970][ T10] do_syscall_64+0xc6/0x1e0 [ 663.410970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 663.410970][ T10] [ 673.637957][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 673.638505][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 673.638505][ T10] netdev_get_by_index+0x5e/0x80 [ 673.638505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.638505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.638505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.638505][ T10] ipv6_add_addr+0x411/0x2000 [ 673.638505][ T10] inet6_addr_add+0x30e/0xa40 [ 673.638505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.638505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.638505][ T10] netlink_rcv_skb+0x130/0x360 [ 673.638505][ T10] netlink_unicast+0x449/0x710 [ 673.638505][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.638505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.638505][ T10] ___sys_sendmsg+0xee/0x170 [ 673.638505][ T10] __sys_sendmsg+0xcd/0x170 [ 673.638505][ T10] do_syscall_64+0xc6/0x1e0 [ 673.638505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.638505][ T10] [ 673.640550][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 673.640550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.640550][ T10] ipv6_find_idev+0x102/0x170 [ 673.640550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.640550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.640550][ T10] netlink_rcv_skb+0x130/0x360 [ 673.640550][ T10] netlink_unicast+0x449/0x710 [ 673.640550][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.640550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.640550][ T10] ___sys_sendmsg+0xee/0x170 [ 673.640550][ T10] __sys_sendmsg+0xcd/0x170 [ 673.640550][ T10] do_syscall_64+0xc6/0x1e0 [ 673.640550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.640550][ T10] [ 673.642098][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 673.642098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.642098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.642098][ T10] ipv6_find_idev+0x102/0x170 [ 673.642098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.642098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.642098][ T10] netlink_rcv_skb+0x130/0x360 [ 673.642098][ T10] netlink_unicast+0x449/0x710 [ 673.642098][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.642098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.642098][ T10] ___sys_sendmsg+0xee/0x170 [ 673.642098][ T10] __sys_sendmsg+0xcd/0x170 [ 673.642098][ T10] do_syscall_64+0xc6/0x1e0 [ 673.642098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.642098][ T10] [ 673.643942][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 673.644230][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 673.644230][ T10] netdev_get_by_index+0x5e/0x80 [ 673.644230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.644230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.644230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.644230][ T10] ipv6_add_addr+0x411/0x2000 [ 673.644230][ T10] inet6_addr_add+0x30e/0xa40 [ 673.644230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.644230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.644230][ T10] netlink_rcv_skb+0x130/0x360 [ 673.644230][ T10] netlink_unicast+0x449/0x710 [ 673.644230][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.644230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.644230][ T10] ___sys_sendmsg+0xee/0x170 [ 673.644230][ T10] __sys_sendmsg+0xcd/0x170 [ 673.644230][ T10] do_syscall_64+0xc6/0x1e0 [ 673.644230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.644230][ T10] [ 673.646255][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 673.646255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.646255][ T10] ipv6_find_idev+0x102/0x170 [ 673.646255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.646255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.646255][ T10] netlink_rcv_skb+0x130/0x360 [ 673.646255][ T10] netlink_unicast+0x449/0x710 [ 673.646255][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.646255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.646255][ T10] ___sys_sendmsg+0xee/0x170 [ 673.646255][ T10] __sys_sendmsg+0xcd/0x170 [ 673.646255][ T10] do_syscall_64+0xc6/0x1e0 [ 673.646255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.646255][ T10] [ 673.647802][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 673.647802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.647802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.647802][ T10] ipv6_find_idev+0x102/0x170 [ 673.647802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.647802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.647802][ T10] netlink_rcv_skb+0x130/0x360 [ 673.647802][ T10] netlink_unicast+0x449/0x710 [ 673.647802][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.647802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.647802][ T10] ___sys_sendmsg+0xee/0x170 [ 673.647802][ T10] __sys_sendmsg+0xcd/0x170 [ 673.647802][ T10] do_syscall_64+0xc6/0x1e0 [ 673.647802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.647802][ T10] [ 673.649512][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 673.649787][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 673.649787][ T10] netdev_get_by_index+0x5e/0x80 [ 673.649787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.649787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.649787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.649787][ T10] ipv6_add_addr+0x411/0x2000 [ 673.649787][ T10] inet6_addr_add+0x30e/0xa40 [ 673.649787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.649787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.649787][ T10] netlink_rcv_skb+0x130/0x360 [ 673.649787][ T10] netlink_unicast+0x449/0x710 [ 673.649787][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.649787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.649787][ T10] ___sys_sendmsg+0xee/0x170 [ 673.649787][ T10] __sys_sendmsg+0xcd/0x170 [ 673.649787][ T10] do_syscall_64+0xc6/0x1e0 [ 673.649787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.649787][ T10] [ 673.651791][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 673.651791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.651791][ T10] ipv6_find_idev+0x102/0x170 [ 673.651791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.651791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.651791][ T10] netlink_rcv_skb+0x130/0x360 [ 673.651791][ T10] netlink_unicast+0x449/0x710 [ 673.651791][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.651791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.651791][ T10] ___sys_sendmsg+0xee/0x170 [ 673.651791][ T10] __sys_sendmsg+0xcd/0x170 [ 673.651791][ T10] do_syscall_64+0xc6/0x1e0 [ 673.651791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.651791][ T10] [ 673.653351][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 673.653351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.653351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.653351][ T10] ipv6_find_idev+0x102/0x170 [ 673.653351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.653351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.653351][ T10] netlink_rcv_skb+0x130/0x360 [ 673.653351][ T10] netlink_unicast+0x449/0x710 [ 673.653351][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.653351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.653351][ T10] ___sys_sendmsg+0xee/0x170 [ 673.653351][ T10] __sys_sendmsg+0xcd/0x170 [ 673.653351][ T10] do_syscall_64+0xc6/0x1e0 [ 673.653351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.653351][ T10] [ 673.655049][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 673.655318][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 673.655318][ T10] netdev_get_by_index+0x5e/0x80 [ 673.655318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.655318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.655318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.655318][ T10] ipv6_add_addr+0x411/0x2000 [ 673.655318][ T10] inet6_addr_add+0x30e/0xa40 [ 673.655318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.655318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.655318][ T10] netlink_rcv_skb+0x130/0x360 [ 673.655318][ T10] netlink_unicast+0x449/0x710 [ 673.655318][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.655318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.655318][ T10] ___sys_sendmsg+0xee/0x170 [ 673.655318][ T10] __sys_sendmsg+0xcd/0x170 [ 673.655318][ T10] do_syscall_64+0xc6/0x1e0 [ 673.655318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.655318][ T10] [ 673.657340][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 673.657340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.657340][ T10] ipv6_find_idev+0x102/0x170 [ 673.657340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.657340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.657340][ T10] netlink_rcv_skb+0x130/0x360 [ 673.657340][ T10] netlink_unicast+0x449/0x710 [ 673.657340][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.657340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.657340][ T10] ___sys_sendmsg+0xee/0x170 [ 673.657340][ T10] __sys_sendmsg+0xcd/0x170 [ 673.657340][ T10] do_syscall_64+0xc6/0x1e0 [ 673.657340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.657340][ T10] [ 673.658883][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 673.658883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.658883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.658883][ T10] ipv6_find_idev+0x102/0x170 [ 673.658883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.658883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.658883][ T10] netlink_rcv_skb+0x130/0x360 [ 673.658883][ T10] netlink_unicast+0x449/0x710 [ 673.658883][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.658883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.658883][ T10] ___sys_sendmsg+0xee/0x170 [ 673.658883][ T10] __sys_sendmsg+0xcd/0x170 [ 673.658883][ T10] do_syscall_64+0xc6/0x1e0 [ 673.658883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.658883][ T10] [ 673.661023][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 673.661622][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 673.661622][ T10] netdev_get_by_index+0x5e/0x80 [ 673.661622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.661622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.661622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.661622][ T10] ipv6_add_addr+0x411/0x2000 [ 673.661622][ T10] inet6_addr_add+0x30e/0xa40 [ 673.661622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.661622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.661622][ T10] netlink_rcv_skb+0x130/0x360 [ 673.661622][ T10] netlink_unicast+0x449/0x710 [ 673.661622][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.661622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.661622][ T10] ___sys_sendmsg+0xee/0x170 [ 673.661622][ T10] __sys_sendmsg+0xcd/0x170 [ 673.661622][ T10] do_syscall_64+0xc6/0x1e0 [ 673.661622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.661622][ T10] [ 673.663620][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 673.663620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.663620][ T10] ipv6_find_idev+0x102/0x170 [ 673.663620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.663620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.663620][ T10] netlink_rcv_skb+0x130/0x360 [ 673.663620][ T10] netlink_unicast+0x449/0x710 [ 673.663620][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.663620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.663620][ T10] ___sys_sendmsg+0xee/0x170 [ 673.663620][ T10] __sys_sendmsg+0xcd/0x170 [ 673.663620][ T10] do_syscall_64+0xc6/0x1e0 [ 673.663620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.663620][ T10] [ 673.665177][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 673.665177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.665177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.665177][ T10] ipv6_find_idev+0x102/0x170 [ 673.665177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.665177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.665177][ T10] netlink_rcv_skb+0x130/0x360 [ 673.665177][ T10] netlink_unicast+0x449/0x710 [ 673.665177][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.665177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.665177][ T10] ___sys_sendmsg+0xee/0x170 [ 673.665177][ T10] __sys_sendmsg+0xcd/0x170 [ 673.665177][ T10] do_syscall_64+0xc6/0x1e0 [ 673.665177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.665177][ T10] [ 673.666881][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 673.667145][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 673.667145][ T10] netdev_get_by_index+0x5e/0x80 [ 673.667145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.667145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.667145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.667145][ T10] ipv6_add_addr+0x411/0x2000 [ 673.667145][ T10] inet6_addr_add+0x30e/0xa40 [ 673.667145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.667145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.667145][ T10] netlink_rcv_skb+0x130/0x360 [ 673.667145][ T10] netlink_unicast+0x449/0x710 [ 673.667145][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.667145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.667145][ T10] ___sys_sendmsg+0xee/0x170 [ 673.667145][ T10] __sys_sendmsg+0xcd/0x170 [ 673.667145][ T10] do_syscall_64+0xc6/0x1e0 [ 673.667145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.667145][ T10] [ 673.669186][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 673.669186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.669186][ T10] ipv6_find_idev+0x102/0x170 [ 673.669186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.669186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.669186][ T10] netlink_rcv_skb+0x130/0x360 [ 673.669186][ T10] netlink_unicast+0x449/0x710 [ 673.669186][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.669186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.669186][ T10] ___sys_sendmsg+0xee/0x170 [ 673.669186][ T10] __sys_sendmsg+0xcd/0x170 [ 673.669186][ T10] do_syscall_64+0xc6/0x1e0 [ 673.669186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.669186][ T10] [ 673.670802][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 673.670802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.670802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.670802][ T10] ipv6_find_idev+0x102/0x170 [ 673.670802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.670802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.670802][ T10] netlink_rcv_skb+0x130/0x360 [ 673.670802][ T10] netlink_unicast+0x449/0x710 [ 673.670802][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.670802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.670802][ T10] ___sys_sendmsg+0xee/0x170 [ 673.670802][ T10] __sys_sendmsg+0xcd/0x170 [ 673.670802][ T10] do_syscall_64+0xc6/0x1e0 [ 673.670802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.670802][ T10] [ 673.672792][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 673.673108][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 673.673108][ T10] netdev_get_by_index+0x5e/0x80 [ 673.673108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.673108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.673108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.673108][ T10] ipv6_add_addr+0x411/0x2000 [ 673.673108][ T10] inet6_addr_add+0x30e/0xa40 [ 673.673108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.673108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.673108][ T10] netlink_rcv_skb+0x130/0x360 [ 673.673108][ T10] netlink_unicast+0x449/0x710 [ 673.673108][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.673108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.673108][ T10] ___sys_sendmsg+0xee/0x170 [ 673.673108][ T10] __sys_sendmsg+0xcd/0x170 [ 673.673108][ T10] do_syscall_64+0xc6/0x1e0 [ 673.673108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.673108][ T10] [ 673.675310][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 673.675310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.675310][ T10] ipv6_find_idev+0x102/0x170 [ 673.675310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.675310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.675310][ T10] netlink_rcv_skb+0x130/0x360 [ 673.675310][ T10] netlink_unicast+0x449/0x710 [ 673.675310][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.675310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.675310][ T10] ___sys_sendmsg+0xee/0x170 [ 673.675310][ T10] __sys_sendmsg+0xcd/0x170 [ 673.675310][ T10] do_syscall_64+0xc6/0x1e0 [ 673.675310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.675310][ T10] [ 673.677055][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 673.677055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.677055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.677055][ T10] ipv6_find_idev+0x102/0x170 [ 673.677055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.677055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.677055][ T10] netlink_rcv_skb+0x130/0x360 [ 673.677055][ T10] netlink_unicast+0x449/0x710 [ 673.677055][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.677055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.677055][ T10] ___sys_sendmsg+0xee/0x170 [ 673.677055][ T10] __sys_sendmsg+0xcd/0x170 [ 673.677055][ T10] do_syscall_64+0xc6/0x1e0 [ 673.677055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.677055][ T10] [ 673.678986][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 673.679296][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 673.679296][ T10] netdev_get_by_index+0x5e/0x80 [ 673.679296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 673.679296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 673.679296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 673.679296][ T10] ipv6_add_addr+0x411/0x2000 [ 673.679296][ T10] inet6_addr_add+0x30e/0xa40 [ 673.679296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 673.679296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.679296][ T10] netlink_rcv_skb+0x130/0x360 [ 673.679296][ T10] netlink_unicast+0x449/0x710 [ 673.679296][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.679296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.679296][ T10] ___sys_sendmsg+0xee/0x170 [ 673.679296][ T10] __sys_sendmsg+0xcd/0x170 [ 673.679296][ T10] do_syscall_64+0xc6/0x1e0 [ 673.679296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.679296][ T10] [ 673.681485][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 673.681485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 673.681485][ T10] ipv6_find_idev+0x102/0x170 [ 673.681485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.681485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.681485][ T10] netlink_rcv_skb+0x130/0x360 [ 673.681485][ T10] netlink_unicast+0x449/0x710 [ 673.681485][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.681485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.681485][ T10] ___sys_sendmsg+0xee/0x170 [ 673.681485][ T10] __sys_sendmsg+0xcd/0x170 [ 673.681485][ T10] do_syscall_64+0xc6/0x1e0 [ 673.681485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.681485][ T10] [ 673.683214][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 673.683214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 673.683214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 673.683214][ T10] ipv6_find_idev+0x102/0x170 [ 673.683214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 673.683214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 673.683214][ T10] netlink_rcv_skb+0x130/0x360 [ 673.683214][ T10] netlink_unicast+0x449/0x710 [ 673.683214][ T10] netlink_sendmsg+0x723/0xbe0 [ 673.683214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 673.683214][ T10] ___sys_sendmsg+0xee/0x170 [ 673.683214][ T10] __sys_sendmsg+0xcd/0x170 [ 673.683214][ T10] do_syscall_64+0xc6/0x1e0 [ 673.683214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 673.683214][ T10] [ 683.925950][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 683.926499][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 683.926499][ T10] netdev_get_by_index+0x5e/0x80 [ 683.926499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.926499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.926499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.926499][ T10] ipv6_add_addr+0x411/0x2000 [ 683.926499][ T10] inet6_addr_add+0x30e/0xa40 [ 683.926499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.926499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.926499][ T10] netlink_rcv_skb+0x130/0x360 [ 683.926499][ T10] netlink_unicast+0x449/0x710 [ 683.926499][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.926499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.926499][ T10] ___sys_sendmsg+0xee/0x170 [ 683.926499][ T10] __sys_sendmsg+0xcd/0x170 [ 683.926499][ T10] do_syscall_64+0xc6/0x1e0 [ 683.926499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.926499][ T10] [ 683.928560][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 683.928560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.928560][ T10] ipv6_find_idev+0x102/0x170 [ 683.928560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.928560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.928560][ T10] netlink_rcv_skb+0x130/0x360 [ 683.928560][ T10] netlink_unicast+0x449/0x710 [ 683.928560][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.928560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.928560][ T10] ___sys_sendmsg+0xee/0x170 [ 683.928560][ T10] __sys_sendmsg+0xcd/0x170 [ 683.928560][ T10] do_syscall_64+0xc6/0x1e0 [ 683.928560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.928560][ T10] [ 683.930116][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 683.930116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.930116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.930116][ T10] ipv6_find_idev+0x102/0x170 [ 683.930116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.930116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.930116][ T10] netlink_rcv_skb+0x130/0x360 [ 683.930116][ T10] netlink_unicast+0x449/0x710 [ 683.930116][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.930116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.930116][ T10] ___sys_sendmsg+0xee/0x170 [ 683.930116][ T10] __sys_sendmsg+0xcd/0x170 [ 683.930116][ T10] do_syscall_64+0xc6/0x1e0 [ 683.930116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.930116][ T10] [ 683.931854][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 683.932136][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 683.932136][ T10] netdev_get_by_index+0x5e/0x80 [ 683.932136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.932136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.932136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.932136][ T10] ipv6_add_addr+0x411/0x2000 [ 683.932136][ T10] inet6_addr_add+0x30e/0xa40 [ 683.932136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.932136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.932136][ T10] netlink_rcv_skb+0x130/0x360 [ 683.932136][ T10] netlink_unicast+0x449/0x710 [ 683.932136][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.932136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.932136][ T10] ___sys_sendmsg+0xee/0x170 [ 683.932136][ T10] __sys_sendmsg+0xcd/0x170 [ 683.932136][ T10] do_syscall_64+0xc6/0x1e0 [ 683.932136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.932136][ T10] [ 683.934168][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 683.934168][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.934168][ T10] ipv6_find_idev+0x102/0x170 [ 683.934168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.934168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.934168][ T10] netlink_rcv_skb+0x130/0x360 [ 683.934168][ T10] netlink_unicast+0x449/0x710 [ 683.934168][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.934168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.934168][ T10] ___sys_sendmsg+0xee/0x170 [ 683.934168][ T10] __sys_sendmsg+0xcd/0x170 [ 683.934168][ T10] do_syscall_64+0xc6/0x1e0 [ 683.934168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.934168][ T10] [ 683.935718][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 683.935718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.935718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.935718][ T10] ipv6_find_idev+0x102/0x170 [ 683.935718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.935718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.935718][ T10] netlink_rcv_skb+0x130/0x360 [ 683.935718][ T10] netlink_unicast+0x449/0x710 [ 683.935718][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.935718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.935718][ T10] ___sys_sendmsg+0xee/0x170 [ 683.935718][ T10] __sys_sendmsg+0xcd/0x170 [ 683.935718][ T10] do_syscall_64+0xc6/0x1e0 [ 683.935718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.935718][ T10] [ 683.937428][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 683.937709][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 683.937709][ T10] netdev_get_by_index+0x5e/0x80 [ 683.937709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.937709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.937709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.937709][ T10] ipv6_add_addr+0x411/0x2000 [ 683.937709][ T10] inet6_addr_add+0x30e/0xa40 [ 683.937709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.937709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.937709][ T10] netlink_rcv_skb+0x130/0x360 [ 683.937709][ T10] netlink_unicast+0x449/0x710 [ 683.937709][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.937709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.937709][ T10] ___sys_sendmsg+0xee/0x170 [ 683.937709][ T10] __sys_sendmsg+0xcd/0x170 [ 683.937709][ T10] do_syscall_64+0xc6/0x1e0 [ 683.937709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.937709][ T10] [ 683.939714][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 683.939714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.939714][ T10] ipv6_find_idev+0x102/0x170 [ 683.939714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.939714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.939714][ T10] netlink_rcv_skb+0x130/0x360 [ 683.939714][ T10] netlink_unicast+0x449/0x710 [ 683.939714][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.939714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.939714][ T10] ___sys_sendmsg+0xee/0x170 [ 683.939714][ T10] __sys_sendmsg+0xcd/0x170 [ 683.939714][ T10] do_syscall_64+0xc6/0x1e0 [ 683.939714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.939714][ T10] [ 683.941260][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 683.941260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.941260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.941260][ T10] ipv6_find_idev+0x102/0x170 [ 683.941260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.941260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.941260][ T10] netlink_rcv_skb+0x130/0x360 [ 683.941260][ T10] netlink_unicast+0x449/0x710 [ 683.941260][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.941260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.941260][ T10] ___sys_sendmsg+0xee/0x170 [ 683.941260][ T10] __sys_sendmsg+0xcd/0x170 [ 683.941260][ T10] do_syscall_64+0xc6/0x1e0 [ 683.941260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.941260][ T10] [ 683.942952][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 683.943222][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 683.943222][ T10] netdev_get_by_index+0x5e/0x80 [ 683.943222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.943222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.943222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.943222][ T10] ipv6_add_addr+0x411/0x2000 [ 683.943222][ T10] inet6_addr_add+0x30e/0xa40 [ 683.943222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.943222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.943222][ T10] netlink_rcv_skb+0x130/0x360 [ 683.943222][ T10] netlink_unicast+0x449/0x710 [ 683.943222][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.943222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.943222][ T10] ___sys_sendmsg+0xee/0x170 [ 683.943222][ T10] __sys_sendmsg+0xcd/0x170 [ 683.943222][ T10] do_syscall_64+0xc6/0x1e0 [ 683.943222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.943222][ T10] [ 683.945246][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 683.945246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.945246][ T10] ipv6_find_idev+0x102/0x170 [ 683.945246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.945246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.945246][ T10] netlink_rcv_skb+0x130/0x360 [ 683.945246][ T10] netlink_unicast+0x449/0x710 [ 683.945246][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.945246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.945246][ T10] ___sys_sendmsg+0xee/0x170 [ 683.945246][ T10] __sys_sendmsg+0xcd/0x170 [ 683.945246][ T10] do_syscall_64+0xc6/0x1e0 [ 683.945246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.945246][ T10] [ 683.946795][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 683.946795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.946795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.946795][ T10] ipv6_find_idev+0x102/0x170 [ 683.946795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.946795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.946795][ T10] netlink_rcv_skb+0x130/0x360 [ 683.946795][ T10] netlink_unicast+0x449/0x710 [ 683.946795][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.946795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.946795][ T10] ___sys_sendmsg+0xee/0x170 [ 683.946795][ T10] __sys_sendmsg+0xcd/0x170 [ 683.946795][ T10] do_syscall_64+0xc6/0x1e0 [ 683.946795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.946795][ T10] [ 683.948917][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 683.949517][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 683.949517][ T10] netdev_get_by_index+0x5e/0x80 [ 683.949517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.949517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.949517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.949517][ T10] ipv6_add_addr+0x411/0x2000 [ 683.949517][ T10] inet6_addr_add+0x30e/0xa40 [ 683.949517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.949517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.949517][ T10] netlink_rcv_skb+0x130/0x360 [ 683.949517][ T10] netlink_unicast+0x449/0x710 [ 683.949517][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.949517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.949517][ T10] ___sys_sendmsg+0xee/0x170 [ 683.949517][ T10] __sys_sendmsg+0xcd/0x170 [ 683.949517][ T10] do_syscall_64+0xc6/0x1e0 [ 683.949517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.949517][ T10] [ 683.951526][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 683.951526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.951526][ T10] ipv6_find_idev+0x102/0x170 [ 683.951526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.951526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.951526][ T10] netlink_rcv_skb+0x130/0x360 [ 683.951526][ T10] netlink_unicast+0x449/0x710 [ 683.951526][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.951526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.951526][ T10] ___sys_sendmsg+0xee/0x170 [ 683.951526][ T10] __sys_sendmsg+0xcd/0x170 [ 683.951526][ T10] do_syscall_64+0xc6/0x1e0 [ 683.951526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.951526][ T10] [ 683.953065][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 683.953065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.953065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.953065][ T10] ipv6_find_idev+0x102/0x170 [ 683.953065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.953065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.953065][ T10] netlink_rcv_skb+0x130/0x360 [ 683.953065][ T10] netlink_unicast+0x449/0x710 [ 683.953065][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.953065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.953065][ T10] ___sys_sendmsg+0xee/0x170 [ 683.953065][ T10] __sys_sendmsg+0xcd/0x170 [ 683.953065][ T10] do_syscall_64+0xc6/0x1e0 [ 683.953065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.953065][ T10] [ 683.954764][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 683.955039][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 683.955039][ T10] netdev_get_by_index+0x5e/0x80 [ 683.955039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.955039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.955039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.955039][ T10] ipv6_add_addr+0x411/0x2000 [ 683.955039][ T10] inet6_addr_add+0x30e/0xa40 [ 683.955039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.955039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.955039][ T10] netlink_rcv_skb+0x130/0x360 [ 683.955039][ T10] netlink_unicast+0x449/0x710 [ 683.955039][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.955039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.955039][ T10] ___sys_sendmsg+0xee/0x170 [ 683.955039][ T10] __sys_sendmsg+0xcd/0x170 [ 683.955039][ T10] do_syscall_64+0xc6/0x1e0 [ 683.955039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.955039][ T10] [ 683.957065][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 683.957065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.957065][ T10] ipv6_find_idev+0x102/0x170 [ 683.957065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.957065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.957065][ T10] netlink_rcv_skb+0x130/0x360 [ 683.957065][ T10] netlink_unicast+0x449/0x710 [ 683.957065][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.957065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.957065][ T10] ___sys_sendmsg+0xee/0x170 [ 683.957065][ T10] __sys_sendmsg+0xcd/0x170 [ 683.957065][ T10] do_syscall_64+0xc6/0x1e0 [ 683.957065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.957065][ T10] [ 683.958695][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 683.958695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.958695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.958695][ T10] ipv6_find_idev+0x102/0x170 [ 683.958695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.958695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.958695][ T10] netlink_rcv_skb+0x130/0x360 [ 683.958695][ T10] netlink_unicast+0x449/0x710 [ 683.958695][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.958695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.958695][ T10] ___sys_sendmsg+0xee/0x170 [ 683.958695][ T10] __sys_sendmsg+0xcd/0x170 [ 683.958695][ T10] do_syscall_64+0xc6/0x1e0 [ 683.958695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.958695][ T10] [ 683.960488][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 683.960806][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 683.960806][ T10] netdev_get_by_index+0x5e/0x80 [ 683.960806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.960806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.960806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.960806][ T10] ipv6_add_addr+0x411/0x2000 [ 683.960806][ T10] inet6_addr_add+0x30e/0xa40 [ 683.960806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.960806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.960806][ T10] netlink_rcv_skb+0x130/0x360 [ 683.960806][ T10] netlink_unicast+0x449/0x710 [ 683.960806][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.960806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.960806][ T10] ___sys_sendmsg+0xee/0x170 [ 683.960806][ T10] __sys_sendmsg+0xcd/0x170 [ 683.960806][ T10] do_syscall_64+0xc6/0x1e0 [ 683.960806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.960806][ T10] [ 683.962870][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 683.962870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.962870][ T10] ipv6_find_idev+0x102/0x170 [ 683.962870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.962870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.962870][ T10] netlink_rcv_skb+0x130/0x360 [ 683.962870][ T10] netlink_unicast+0x449/0x710 [ 683.962870][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.962870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.962870][ T10] ___sys_sendmsg+0xee/0x170 [ 683.962870][ T10] __sys_sendmsg+0xcd/0x170 [ 683.962870][ T10] do_syscall_64+0xc6/0x1e0 [ 683.962870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.962870][ T10] [ 683.964562][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 683.964562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.964562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.964562][ T10] ipv6_find_idev+0x102/0x170 [ 683.964562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.964562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.964562][ T10] netlink_rcv_skb+0x130/0x360 [ 683.964562][ T10] netlink_unicast+0x449/0x710 [ 683.964562][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.964562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.964562][ T10] ___sys_sendmsg+0xee/0x170 [ 683.964562][ T10] __sys_sendmsg+0xcd/0x170 [ 683.964562][ T10] do_syscall_64+0xc6/0x1e0 [ 683.964562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.964562][ T10] [ 683.966348][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 683.966674][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 683.966674][ T10] netdev_get_by_index+0x5e/0x80 [ 683.966674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 683.966674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 683.966674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 683.966674][ T10] ipv6_add_addr+0x411/0x2000 [ 683.966674][ T10] inet6_addr_add+0x30e/0xa40 [ 683.966674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 683.966674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.966674][ T10] netlink_rcv_skb+0x130/0x360 [ 683.966674][ T10] netlink_unicast+0x449/0x710 [ 683.966674][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.966674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.966674][ T10] ___sys_sendmsg+0xee/0x170 [ 683.966674][ T10] __sys_sendmsg+0xcd/0x170 [ 683.966674][ T10] do_syscall_64+0xc6/0x1e0 [ 683.966674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.966674][ T10] [ 683.968818][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 683.968818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 683.968818][ T10] ipv6_find_idev+0x102/0x170 [ 683.968818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.968818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.968818][ T10] netlink_rcv_skb+0x130/0x360 [ 683.968818][ T10] netlink_unicast+0x449/0x710 [ 683.968818][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.968818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.968818][ T10] ___sys_sendmsg+0xee/0x170 [ 683.968818][ T10] __sys_sendmsg+0xcd/0x170 [ 683.968818][ T10] do_syscall_64+0xc6/0x1e0 [ 683.968818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.968818][ T10] [ 683.970421][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 683.970421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 683.970421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 683.970421][ T10] ipv6_find_idev+0x102/0x170 [ 683.970421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 683.970421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 683.970421][ T10] netlink_rcv_skb+0x130/0x360 [ 683.970421][ T10] netlink_unicast+0x449/0x710 [ 683.970421][ T10] netlink_sendmsg+0x723/0xbe0 [ 683.970421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 683.970421][ T10] ___sys_sendmsg+0xee/0x170 [ 683.970421][ T10] __sys_sendmsg+0xcd/0x170 [ 683.970421][ T10] do_syscall_64+0xc6/0x1e0 [ 683.970421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 683.970421][ T10] [ 694.213959][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 694.214780][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 694.214780][ T10] netdev_get_by_index+0x5e/0x80 [ 694.214780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.214780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.214780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.214780][ T10] ipv6_add_addr+0x411/0x2000 [ 694.214780][ T10] inet6_addr_add+0x30e/0xa40 [ 694.214780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.214780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.214780][ T10] netlink_rcv_skb+0x130/0x360 [ 694.214780][ T10] netlink_unicast+0x449/0x710 [ 694.214780][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.214780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.214780][ T10] ___sys_sendmsg+0xee/0x170 [ 694.214780][ T10] __sys_sendmsg+0xcd/0x170 [ 694.214780][ T10] do_syscall_64+0xc6/0x1e0 [ 694.214780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.214780][ T10] [ 694.217796][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 694.217796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.217796][ T10] ipv6_find_idev+0x102/0x170 [ 694.217796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.217796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.217796][ T10] netlink_rcv_skb+0x130/0x360 [ 694.217796][ T10] netlink_unicast+0x449/0x710 [ 694.217796][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.217796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.217796][ T10] ___sys_sendmsg+0xee/0x170 [ 694.217796][ T10] __sys_sendmsg+0xcd/0x170 [ 694.217796][ T10] do_syscall_64+0xc6/0x1e0 [ 694.217796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.217796][ T10] [ 694.220005][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 694.220005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.220005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.220005][ T10] ipv6_find_idev+0x102/0x170 [ 694.220005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.220005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.220005][ T10] netlink_rcv_skb+0x130/0x360 [ 694.220005][ T10] netlink_unicast+0x449/0x710 [ 694.220005][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.220005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.220005][ T10] ___sys_sendmsg+0xee/0x170 [ 694.220005][ T10] __sys_sendmsg+0xcd/0x170 [ 694.220005][ T10] do_syscall_64+0xc6/0x1e0 [ 694.220005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.220005][ T10] [ 694.222454][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 694.222889][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 694.222889][ T10] netdev_get_by_index+0x5e/0x80 [ 694.222889][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.222889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.222889][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.222889][ T10] ipv6_add_addr+0x411/0x2000 [ 694.222889][ T10] inet6_addr_add+0x30e/0xa40 [ 694.222889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.222889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.222889][ T10] netlink_rcv_skb+0x130/0x360 [ 694.222889][ T10] netlink_unicast+0x449/0x710 [ 694.222889][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.222889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.222889][ T10] ___sys_sendmsg+0xee/0x170 [ 694.222889][ T10] __sys_sendmsg+0xcd/0x170 [ 694.222889][ T10] do_syscall_64+0xc6/0x1e0 [ 694.222889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.222889][ T10] [ 694.225965][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 694.225965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.225965][ T10] ipv6_find_idev+0x102/0x170 [ 694.225965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.225965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.225965][ T10] netlink_rcv_skb+0x130/0x360 [ 694.225965][ T10] netlink_unicast+0x449/0x710 [ 694.225965][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.225965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.225965][ T10] ___sys_sendmsg+0xee/0x170 [ 694.225965][ T10] __sys_sendmsg+0xcd/0x170 [ 694.225965][ T10] do_syscall_64+0xc6/0x1e0 [ 694.225965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.225965][ T10] [ 694.228074][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 694.228074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.228074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.228074][ T10] ipv6_find_idev+0x102/0x170 [ 694.228074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.228074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.228074][ T10] netlink_rcv_skb+0x130/0x360 [ 694.228074][ T10] netlink_unicast+0x449/0x710 [ 694.228074][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.228074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.228074][ T10] ___sys_sendmsg+0xee/0x170 [ 694.228074][ T10] __sys_sendmsg+0xcd/0x170 [ 694.228074][ T10] do_syscall_64+0xc6/0x1e0 [ 694.228074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.228074][ T10] [ 694.230355][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 694.230780][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 694.230780][ T10] netdev_get_by_index+0x5e/0x80 [ 694.230780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.230780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.230780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.230780][ T10] ipv6_add_addr+0x411/0x2000 [ 694.230780][ T10] inet6_addr_add+0x30e/0xa40 [ 694.230780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.230780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.230780][ T10] netlink_rcv_skb+0x130/0x360 [ 694.230780][ T10] netlink_unicast+0x449/0x710 [ 694.230780][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.230780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.230780][ T10] ___sys_sendmsg+0xee/0x170 [ 694.230780][ T10] __sys_sendmsg+0xcd/0x170 [ 694.230780][ T10] do_syscall_64+0xc6/0x1e0 [ 694.230780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.230780][ T10] [ 694.233729][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 694.233729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.233729][ T10] ipv6_find_idev+0x102/0x170 [ 694.233729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.233729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.233729][ T10] netlink_rcv_skb+0x130/0x360 [ 694.233729][ T10] netlink_unicast+0x449/0x710 [ 694.233729][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.233729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.233729][ T10] ___sys_sendmsg+0xee/0x170 [ 694.233729][ T10] __sys_sendmsg+0xcd/0x170 [ 694.233729][ T10] do_syscall_64+0xc6/0x1e0 [ 694.233729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.233729][ T10] [ 694.235846][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 694.235846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.235846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.235846][ T10] ipv6_find_idev+0x102/0x170 [ 694.235846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.235846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.235846][ T10] netlink_rcv_skb+0x130/0x360 [ 694.235846][ T10] netlink_unicast+0x449/0x710 [ 694.235846][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.235846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.235846][ T10] ___sys_sendmsg+0xee/0x170 [ 694.235846][ T10] __sys_sendmsg+0xcd/0x170 [ 694.235846][ T10] do_syscall_64+0xc6/0x1e0 [ 694.235846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.235846][ T10] [ 694.238759][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 694.239488][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 694.239488][ T10] netdev_get_by_index+0x5e/0x80 [ 694.239488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.239488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.239488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.239488][ T10] ipv6_add_addr+0x411/0x2000 [ 694.239488][ T10] inet6_addr_add+0x30e/0xa40 [ 694.239488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.239488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.239488][ T10] netlink_rcv_skb+0x130/0x360 [ 694.239488][ T10] netlink_unicast+0x449/0x710 [ 694.239488][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.239488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.239488][ T10] ___sys_sendmsg+0xee/0x170 [ 694.239488][ T10] __sys_sendmsg+0xcd/0x170 [ 694.239488][ T10] do_syscall_64+0xc6/0x1e0 [ 694.239488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.239488][ T10] [ 694.242615][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 694.242615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.242615][ T10] ipv6_find_idev+0x102/0x170 [ 694.242615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.242615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.242615][ T10] netlink_rcv_skb+0x130/0x360 [ 694.242615][ T10] netlink_unicast+0x449/0x710 [ 694.242615][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.242615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.242615][ T10] ___sys_sendmsg+0xee/0x170 [ 694.242615][ T10] __sys_sendmsg+0xcd/0x170 [ 694.242615][ T10] do_syscall_64+0xc6/0x1e0 [ 694.242615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.242615][ T10] [ 694.244780][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 694.244780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.244780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.244780][ T10] ipv6_find_idev+0x102/0x170 [ 694.244780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.244780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.244780][ T10] netlink_rcv_skb+0x130/0x360 [ 694.244780][ T10] netlink_unicast+0x449/0x710 [ 694.244780][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.244780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.244780][ T10] ___sys_sendmsg+0xee/0x170 [ 694.244780][ T10] __sys_sendmsg+0xcd/0x170 [ 694.244780][ T10] do_syscall_64+0xc6/0x1e0 [ 694.244780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.244780][ T10] [ 694.247127][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 694.247521][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 694.247521][ T10] netdev_get_by_index+0x5e/0x80 [ 694.247521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.247521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.247521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.247521][ T10] ipv6_add_addr+0x411/0x2000 [ 694.247521][ T10] inet6_addr_add+0x30e/0xa40 [ 694.247521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.247521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.247521][ T10] netlink_rcv_skb+0x130/0x360 [ 694.247521][ T10] netlink_unicast+0x449/0x710 [ 694.247521][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.247521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.247521][ T10] ___sys_sendmsg+0xee/0x170 [ 694.247521][ T10] __sys_sendmsg+0xcd/0x170 [ 694.247521][ T10] do_syscall_64+0xc6/0x1e0 [ 694.247521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.247521][ T10] [ 694.250392][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 694.250392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.250392][ T10] ipv6_find_idev+0x102/0x170 [ 694.250392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.250392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.250392][ T10] netlink_rcv_skb+0x130/0x360 [ 694.250392][ T10] netlink_unicast+0x449/0x710 [ 694.250392][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.250392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.250392][ T10] ___sys_sendmsg+0xee/0x170 [ 694.250392][ T10] __sys_sendmsg+0xcd/0x170 [ 694.250392][ T10] do_syscall_64+0xc6/0x1e0 [ 694.250392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.250392][ T10] [ 694.252654][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 694.252654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.252654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.252654][ T10] ipv6_find_idev+0x102/0x170 [ 694.252654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.252654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.252654][ T10] netlink_rcv_skb+0x130/0x360 [ 694.252654][ T10] netlink_unicast+0x449/0x710 [ 694.252654][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.252654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.252654][ T10] ___sys_sendmsg+0xee/0x170 [ 694.252654][ T10] __sys_sendmsg+0xcd/0x170 [ 694.252654][ T10] do_syscall_64+0xc6/0x1e0 [ 694.252654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.252654][ T10] [ 694.255006][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 694.255425][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 694.255425][ T10] netdev_get_by_index+0x5e/0x80 [ 694.255425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.255425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.255425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.255425][ T10] ipv6_add_addr+0x411/0x2000 [ 694.255425][ T10] inet6_addr_add+0x30e/0xa40 [ 694.255425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.255425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.255425][ T10] netlink_rcv_skb+0x130/0x360 [ 694.255425][ T10] netlink_unicast+0x449/0x710 [ 694.255425][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.255425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.255425][ T10] ___sys_sendmsg+0xee/0x170 [ 694.255425][ T10] __sys_sendmsg+0xcd/0x170 [ 694.255425][ T10] do_syscall_64+0xc6/0x1e0 [ 694.255425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.255425][ T10] [ 694.258156][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 694.258156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.258156][ T10] ipv6_find_idev+0x102/0x170 [ 694.258156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.258156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.258156][ T10] netlink_rcv_skb+0x130/0x360 [ 694.258156][ T10] netlink_unicast+0x449/0x710 [ 694.258156][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.258156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.258156][ T10] ___sys_sendmsg+0xee/0x170 [ 694.258156][ T10] __sys_sendmsg+0xcd/0x170 [ 694.258156][ T10] do_syscall_64+0xc6/0x1e0 [ 694.258156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.258156][ T10] [ 694.260236][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 694.260236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.260236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.260236][ T10] ipv6_find_idev+0x102/0x170 [ 694.260236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.260236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.260236][ T10] netlink_rcv_skb+0x130/0x360 [ 694.260236][ T10] netlink_unicast+0x449/0x710 [ 694.260236][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.260236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.260236][ T10] ___sys_sendmsg+0xee/0x170 [ 694.260236][ T10] __sys_sendmsg+0xcd/0x170 [ 694.260236][ T10] do_syscall_64+0xc6/0x1e0 [ 694.260236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.260236][ T10] [ 694.262821][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 694.263284][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 694.263284][ T10] netdev_get_by_index+0x5e/0x80 [ 694.263284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.263284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.263284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.263284][ T10] ipv6_add_addr+0x411/0x2000 [ 694.263284][ T10] inet6_addr_add+0x30e/0xa40 [ 694.263284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.263284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.263284][ T10] netlink_rcv_skb+0x130/0x360 [ 694.263284][ T10] netlink_unicast+0x449/0x710 [ 694.263284][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.263284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.263284][ T10] ___sys_sendmsg+0xee/0x170 [ 694.263284][ T10] __sys_sendmsg+0xcd/0x170 [ 694.263284][ T10] do_syscall_64+0xc6/0x1e0 [ 694.263284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.263284][ T10] [ 694.266361][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 694.266361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.266361][ T10] ipv6_find_idev+0x102/0x170 [ 694.266361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.266361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.266361][ T10] netlink_rcv_skb+0x130/0x360 [ 694.266361][ T10] netlink_unicast+0x449/0x710 [ 694.266361][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.266361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.266361][ T10] ___sys_sendmsg+0xee/0x170 [ 694.266361][ T10] __sys_sendmsg+0xcd/0x170 [ 694.266361][ T10] do_syscall_64+0xc6/0x1e0 [ 694.266361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.266361][ T10] [ 694.268660][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 694.268660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.268660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.268660][ T10] ipv6_find_idev+0x102/0x170 [ 694.268660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.268660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.268660][ T10] netlink_rcv_skb+0x130/0x360 [ 694.268660][ T10] netlink_unicast+0x449/0x710 [ 694.268660][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.268660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.268660][ T10] ___sys_sendmsg+0xee/0x170 [ 694.268660][ T10] __sys_sendmsg+0xcd/0x170 [ 694.268660][ T10] do_syscall_64+0xc6/0x1e0 [ 694.268660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.268660][ T10] [ 694.271282][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 694.271733][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 694.271733][ T10] netdev_get_by_index+0x5e/0x80 [ 694.271733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 694.271733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 694.271733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 694.271733][ T10] ipv6_add_addr+0x411/0x2000 [ 694.271733][ T10] inet6_addr_add+0x30e/0xa40 [ 694.271733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 694.271733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.271733][ T10] netlink_rcv_skb+0x130/0x360 [ 694.271733][ T10] netlink_unicast+0x449/0x710 [ 694.271733][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.271733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.271733][ T10] ___sys_sendmsg+0xee/0x170 [ 694.271733][ T10] __sys_sendmsg+0xcd/0x170 [ 694.271733][ T10] do_syscall_64+0xc6/0x1e0 [ 694.271733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.271733][ T10] [ 694.275316][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 694.275316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 694.275316][ T10] ipv6_find_idev+0x102/0x170 [ 694.275316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.275316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.275316][ T10] netlink_rcv_skb+0x130/0x360 [ 694.275316][ T10] netlink_unicast+0x449/0x710 [ 694.275316][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.275316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.275316][ T10] ___sys_sendmsg+0xee/0x170 [ 694.275316][ T10] __sys_sendmsg+0xcd/0x170 [ 694.275316][ T10] do_syscall_64+0xc6/0x1e0 [ 694.275316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.275316][ T10] [ 694.277620][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 694.277620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 694.277620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 694.277620][ T10] ipv6_find_idev+0x102/0x170 [ 694.277620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 694.277620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 694.277620][ T10] netlink_rcv_skb+0x130/0x360 [ 694.277620][ T10] netlink_unicast+0x449/0x710 [ 694.277620][ T10] netlink_sendmsg+0x723/0xbe0 [ 694.277620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 694.277620][ T10] ___sys_sendmsg+0xee/0x170 [ 694.277620][ T10] __sys_sendmsg+0xcd/0x170 [ 694.277620][ T10] do_syscall_64+0xc6/0x1e0 [ 694.277620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 694.277620][ T10] [ 704.517927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 704.518440][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 704.518440][ T10] netdev_get_by_index+0x5e/0x80 [ 704.518440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.518440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.518440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.518440][ T10] ipv6_add_addr+0x411/0x2000 [ 704.518440][ T10] inet6_addr_add+0x30e/0xa40 [ 704.518440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.518440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.518440][ T10] netlink_rcv_skb+0x130/0x360 [ 704.518440][ T10] netlink_unicast+0x449/0x710 [ 704.518440][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.518440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.518440][ T10] ___sys_sendmsg+0xee/0x170 [ 704.518440][ T10] __sys_sendmsg+0xcd/0x170 [ 704.518440][ T10] do_syscall_64+0xc6/0x1e0 [ 704.518440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.518440][ T10] [ 704.520473][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 704.520473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.520473][ T10] ipv6_find_idev+0x102/0x170 [ 704.520473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.520473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.520473][ T10] netlink_rcv_skb+0x130/0x360 [ 704.520473][ T10] netlink_unicast+0x449/0x710 [ 704.520473][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.520473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.520473][ T10] ___sys_sendmsg+0xee/0x170 [ 704.520473][ T10] __sys_sendmsg+0xcd/0x170 [ 704.520473][ T10] do_syscall_64+0xc6/0x1e0 [ 704.520473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.520473][ T10] [ 704.522019][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 704.522019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.522019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.522019][ T10] ipv6_find_idev+0x102/0x170 [ 704.522019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.522019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.522019][ T10] netlink_rcv_skb+0x130/0x360 [ 704.522019][ T10] netlink_unicast+0x449/0x710 [ 704.522019][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.522019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.522019][ T10] ___sys_sendmsg+0xee/0x170 [ 704.522019][ T10] __sys_sendmsg+0xcd/0x170 [ 704.522019][ T10] do_syscall_64+0xc6/0x1e0 [ 704.522019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.522019][ T10] [ 704.523734][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 704.524027][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 704.524027][ T10] netdev_get_by_index+0x5e/0x80 [ 704.524027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.524027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.524027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.524027][ T10] ipv6_add_addr+0x411/0x2000 [ 704.524027][ T10] inet6_addr_add+0x30e/0xa40 [ 704.524027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.524027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.524027][ T10] netlink_rcv_skb+0x130/0x360 [ 704.524027][ T10] netlink_unicast+0x449/0x710 [ 704.524027][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.524027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.524027][ T10] ___sys_sendmsg+0xee/0x170 [ 704.524027][ T10] __sys_sendmsg+0xcd/0x170 [ 704.524027][ T10] do_syscall_64+0xc6/0x1e0 [ 704.524027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.524027][ T10] [ 704.526031][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 704.526031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.526031][ T10] ipv6_find_idev+0x102/0x170 [ 704.526031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.526031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.526031][ T10] netlink_rcv_skb+0x130/0x360 [ 704.526031][ T10] netlink_unicast+0x449/0x710 [ 704.526031][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.526031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.526031][ T10] ___sys_sendmsg+0xee/0x170 [ 704.526031][ T10] __sys_sendmsg+0xcd/0x170 [ 704.526031][ T10] do_syscall_64+0xc6/0x1e0 [ 704.526031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.526031][ T10] [ 704.527574][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 704.527574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.527574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.527574][ T10] ipv6_find_idev+0x102/0x170 [ 704.527574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.527574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.527574][ T10] netlink_rcv_skb+0x130/0x360 [ 704.527574][ T10] netlink_unicast+0x449/0x710 [ 704.527574][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.527574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.527574][ T10] ___sys_sendmsg+0xee/0x170 [ 704.527574][ T10] __sys_sendmsg+0xcd/0x170 [ 704.527574][ T10] do_syscall_64+0xc6/0x1e0 [ 704.527574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.527574][ T10] [ 704.529279][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 704.529555][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 704.529555][ T10] netdev_get_by_index+0x5e/0x80 [ 704.529555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.529555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.529555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.529555][ T10] ipv6_add_addr+0x411/0x2000 [ 704.529555][ T10] inet6_addr_add+0x30e/0xa40 [ 704.529555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.529555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.529555][ T10] netlink_rcv_skb+0x130/0x360 [ 704.529555][ T10] netlink_unicast+0x449/0x710 [ 704.529555][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.529555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.529555][ T10] ___sys_sendmsg+0xee/0x170 [ 704.529555][ T10] __sys_sendmsg+0xcd/0x170 [ 704.529555][ T10] do_syscall_64+0xc6/0x1e0 [ 704.529555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.529555][ T10] [ 704.531574][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 704.531574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.531574][ T10] ipv6_find_idev+0x102/0x170 [ 704.531574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.531574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.531574][ T10] netlink_rcv_skb+0x130/0x360 [ 704.531574][ T10] netlink_unicast+0x449/0x710 [ 704.531574][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.531574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.531574][ T10] ___sys_sendmsg+0xee/0x170 [ 704.531574][ T10] __sys_sendmsg+0xcd/0x170 [ 704.531574][ T10] do_syscall_64+0xc6/0x1e0 [ 704.531574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.531574][ T10] [ 704.533113][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 704.533113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.533113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.533113][ T10] ipv6_find_idev+0x102/0x170 [ 704.533113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.533113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.533113][ T10] netlink_rcv_skb+0x130/0x360 [ 704.533113][ T10] netlink_unicast+0x449/0x710 [ 704.533113][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.533113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.533113][ T10] ___sys_sendmsg+0xee/0x170 [ 704.533113][ T10] __sys_sendmsg+0xcd/0x170 [ 704.533113][ T10] do_syscall_64+0xc6/0x1e0 [ 704.533113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.533113][ T10] [ 704.534805][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 704.535071][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 704.535071][ T10] netdev_get_by_index+0x5e/0x80 [ 704.535071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.535071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.535071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.535071][ T10] ipv6_add_addr+0x411/0x2000 [ 704.535071][ T10] inet6_addr_add+0x30e/0xa40 [ 704.535071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.535071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.535071][ T10] netlink_rcv_skb+0x130/0x360 [ 704.535071][ T10] netlink_unicast+0x449/0x710 [ 704.535071][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.535071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.535071][ T10] ___sys_sendmsg+0xee/0x170 [ 704.535071][ T10] __sys_sendmsg+0xcd/0x170 [ 704.535071][ T10] do_syscall_64+0xc6/0x1e0 [ 704.535071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.535071][ T10] [ 704.537065][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 704.537065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.537065][ T10] ipv6_find_idev+0x102/0x170 [ 704.537065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.537065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.537065][ T10] netlink_rcv_skb+0x130/0x360 [ 704.537065][ T10] netlink_unicast+0x449/0x710 [ 704.537065][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.537065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.537065][ T10] ___sys_sendmsg+0xee/0x170 [ 704.537065][ T10] __sys_sendmsg+0xcd/0x170 [ 704.537065][ T10] do_syscall_64+0xc6/0x1e0 [ 704.537065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.537065][ T10] [ 704.538609][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 704.538609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.538609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.538609][ T10] ipv6_find_idev+0x102/0x170 [ 704.538609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.538609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.538609][ T10] netlink_rcv_skb+0x130/0x360 [ 704.538609][ T10] netlink_unicast+0x449/0x710 [ 704.538609][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.538609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.538609][ T10] ___sys_sendmsg+0xee/0x170 [ 704.538609][ T10] __sys_sendmsg+0xcd/0x170 [ 704.538609][ T10] do_syscall_64+0xc6/0x1e0 [ 704.538609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.538609][ T10] [ 704.540697][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 704.541305][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 704.541305][ T10] netdev_get_by_index+0x5e/0x80 [ 704.541305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.541305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.541305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.541305][ T10] ipv6_add_addr+0x411/0x2000 [ 704.541305][ T10] inet6_addr_add+0x30e/0xa40 [ 704.541305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.541305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.541305][ T10] netlink_rcv_skb+0x130/0x360 [ 704.541305][ T10] netlink_unicast+0x449/0x710 [ 704.541305][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.541305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.541305][ T10] ___sys_sendmsg+0xee/0x170 [ 704.541305][ T10] __sys_sendmsg+0xcd/0x170 [ 704.541305][ T10] do_syscall_64+0xc6/0x1e0 [ 704.541305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.541305][ T10] [ 704.543293][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 704.543293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.543293][ T10] ipv6_find_idev+0x102/0x170 [ 704.543293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.543293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.543293][ T10] netlink_rcv_skb+0x130/0x360 [ 704.543293][ T10] netlink_unicast+0x449/0x710 [ 704.543293][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.543293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.543293][ T10] ___sys_sendmsg+0xee/0x170 [ 704.543293][ T10] __sys_sendmsg+0xcd/0x170 [ 704.543293][ T10] do_syscall_64+0xc6/0x1e0 [ 704.543293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.543293][ T10] [ 704.544827][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 704.544827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.544827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.544827][ T10] ipv6_find_idev+0x102/0x170 [ 704.544827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.544827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.544827][ T10] netlink_rcv_skb+0x130/0x360 [ 704.544827][ T10] netlink_unicast+0x449/0x710 [ 704.544827][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.544827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.544827][ T10] ___sys_sendmsg+0xee/0x170 [ 704.544827][ T10] __sys_sendmsg+0xcd/0x170 [ 704.544827][ T10] do_syscall_64+0xc6/0x1e0 [ 704.544827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.544827][ T10] [ 704.546520][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 704.546784][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 704.546784][ T10] netdev_get_by_index+0x5e/0x80 [ 704.546784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.546784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.546784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.546784][ T10] ipv6_add_addr+0x411/0x2000 [ 704.546784][ T10] inet6_addr_add+0x30e/0xa40 [ 704.546784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.546784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.546784][ T10] netlink_rcv_skb+0x130/0x360 [ 704.546784][ T10] netlink_unicast+0x449/0x710 [ 704.546784][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.546784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.546784][ T10] ___sys_sendmsg+0xee/0x170 [ 704.546784][ T10] __sys_sendmsg+0xcd/0x170 [ 704.546784][ T10] do_syscall_64+0xc6/0x1e0 [ 704.546784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.546784][ T10] [ 704.548793][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 704.548793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.548793][ T10] ipv6_find_idev+0x102/0x170 [ 704.548793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.548793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.548793][ T10] netlink_rcv_skb+0x130/0x360 [ 704.548793][ T10] netlink_unicast+0x449/0x710 [ 704.548793][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.548793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.548793][ T10] ___sys_sendmsg+0xee/0x170 [ 704.548793][ T10] __sys_sendmsg+0xcd/0x170 [ 704.548793][ T10] do_syscall_64+0xc6/0x1e0 [ 704.548793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.548793][ T10] [ 704.550398][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 704.550398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.550398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.550398][ T10] ipv6_find_idev+0x102/0x170 [ 704.550398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.550398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.550398][ T10] netlink_rcv_skb+0x130/0x360 [ 704.550398][ T10] netlink_unicast+0x449/0x710 [ 704.550398][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.550398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.550398][ T10] ___sys_sendmsg+0xee/0x170 [ 704.550398][ T10] __sys_sendmsg+0xcd/0x170 [ 704.550398][ T10] do_syscall_64+0xc6/0x1e0 [ 704.550398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.550398][ T10] [ 704.552363][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 704.552670][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 704.552670][ T10] netdev_get_by_index+0x5e/0x80 [ 704.552670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.552670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.552670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.552670][ T10] ipv6_add_addr+0x411/0x2000 [ 704.552670][ T10] inet6_addr_add+0x30e/0xa40 [ 704.552670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.552670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.552670][ T10] netlink_rcv_skb+0x130/0x360 [ 704.552670][ T10] netlink_unicast+0x449/0x710 [ 704.552670][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.552670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.552670][ T10] ___sys_sendmsg+0xee/0x170 [ 704.552670][ T10] __sys_sendmsg+0xcd/0x170 [ 704.552670][ T10] do_syscall_64+0xc6/0x1e0 [ 704.552670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.552670][ T10] [ 704.554851][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 704.554851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.554851][ T10] ipv6_find_idev+0x102/0x170 [ 704.554851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.554851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.554851][ T10] netlink_rcv_skb+0x130/0x360 [ 704.554851][ T10] netlink_unicast+0x449/0x710 [ 704.554851][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.554851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.554851][ T10] ___sys_sendmsg+0xee/0x170 [ 704.554851][ T10] __sys_sendmsg+0xcd/0x170 [ 704.554851][ T10] do_syscall_64+0xc6/0x1e0 [ 704.554851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.554851][ T10] [ 704.556576][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 704.556576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.556576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.556576][ T10] ipv6_find_idev+0x102/0x170 [ 704.556576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.556576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.556576][ T10] netlink_rcv_skb+0x130/0x360 [ 704.556576][ T10] netlink_unicast+0x449/0x710 [ 704.556576][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.556576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.556576][ T10] ___sys_sendmsg+0xee/0x170 [ 704.556576][ T10] __sys_sendmsg+0xcd/0x170 [ 704.556576][ T10] do_syscall_64+0xc6/0x1e0 [ 704.556576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.556576][ T10] [ 704.558491][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 704.558804][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 704.558804][ T10] netdev_get_by_index+0x5e/0x80 [ 704.558804][ T10] fib6_nh_init+0x3d8/0x15b0 [ 704.558804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 704.558804][ T10] addrconf_f6i_alloc+0x244/0x410 [ 704.558804][ T10] ipv6_add_addr+0x411/0x2000 [ 704.558804][ T10] inet6_addr_add+0x30e/0xa40 [ 704.558804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 704.558804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.558804][ T10] netlink_rcv_skb+0x130/0x360 [ 704.558804][ T10] netlink_unicast+0x449/0x710 [ 704.558804][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.558804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.558804][ T10] ___sys_sendmsg+0xee/0x170 [ 704.558804][ T10] __sys_sendmsg+0xcd/0x170 [ 704.558804][ T10] do_syscall_64+0xc6/0x1e0 [ 704.558804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.558804][ T10] [ 704.560977][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 704.560977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 704.560977][ T10] ipv6_find_idev+0x102/0x170 [ 704.560977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.560977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.560977][ T10] netlink_rcv_skb+0x130/0x360 [ 704.560977][ T10] netlink_unicast+0x449/0x710 [ 704.560977][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.560977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.560977][ T10] ___sys_sendmsg+0xee/0x170 [ 704.560977][ T10] __sys_sendmsg+0xcd/0x170 [ 704.560977][ T10] do_syscall_64+0xc6/0x1e0 [ 704.560977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.560977][ T10] [ 704.562690][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 704.562690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 704.562690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 704.562690][ T10] ipv6_find_idev+0x102/0x170 [ 704.562690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 704.562690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 704.562690][ T10] netlink_rcv_skb+0x130/0x360 [ 704.562690][ T10] netlink_unicast+0x449/0x710 [ 704.562690][ T10] netlink_sendmsg+0x723/0xbe0 [ 704.562690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 704.562690][ T10] ___sys_sendmsg+0xee/0x170 [ 704.562690][ T10] __sys_sendmsg+0xcd/0x170 [ 704.562690][ T10] do_syscall_64+0xc6/0x1e0 [ 704.562690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 704.562690][ T10] [ 714.773986][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 714.774484][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 714.774484][ T10] netdev_get_by_index+0x5e/0x80 [ 714.774484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.774484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.774484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.774484][ T10] ipv6_add_addr+0x411/0x2000 [ 714.774484][ T10] inet6_addr_add+0x30e/0xa40 [ 714.774484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.774484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.774484][ T10] netlink_rcv_skb+0x130/0x360 [ 714.774484][ T10] netlink_unicast+0x449/0x710 [ 714.774484][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.774484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.774484][ T10] ___sys_sendmsg+0xee/0x170 [ 714.774484][ T10] __sys_sendmsg+0xcd/0x170 [ 714.774484][ T10] do_syscall_64+0xc6/0x1e0 [ 714.774484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.774484][ T10] [ 714.776487][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 714.776487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.776487][ T10] ipv6_find_idev+0x102/0x170 [ 714.776487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.776487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.776487][ T10] netlink_rcv_skb+0x130/0x360 [ 714.776487][ T10] netlink_unicast+0x449/0x710 [ 714.776487][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.776487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.776487][ T10] ___sys_sendmsg+0xee/0x170 [ 714.776487][ T10] __sys_sendmsg+0xcd/0x170 [ 714.776487][ T10] do_syscall_64+0xc6/0x1e0 [ 714.776487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.776487][ T10] [ 714.778032][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 714.778032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.778032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.778032][ T10] ipv6_find_idev+0x102/0x170 [ 714.778032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.778032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.778032][ T10] netlink_rcv_skb+0x130/0x360 [ 714.778032][ T10] netlink_unicast+0x449/0x710 [ 714.778032][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.778032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.778032][ T10] ___sys_sendmsg+0xee/0x170 [ 714.778032][ T10] __sys_sendmsg+0xcd/0x170 [ 714.778032][ T10] do_syscall_64+0xc6/0x1e0 [ 714.778032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.778032][ T10] [ 714.779731][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 714.780012][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 714.780012][ T10] netdev_get_by_index+0x5e/0x80 [ 714.780012][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.780012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.780012][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.780012][ T10] ipv6_add_addr+0x411/0x2000 [ 714.780012][ T10] inet6_addr_add+0x30e/0xa40 [ 714.780012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.780012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.780012][ T10] netlink_rcv_skb+0x130/0x360 [ 714.780012][ T10] netlink_unicast+0x449/0x710 [ 714.780012][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.780012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.780012][ T10] ___sys_sendmsg+0xee/0x170 [ 714.780012][ T10] __sys_sendmsg+0xcd/0x170 [ 714.780012][ T10] do_syscall_64+0xc6/0x1e0 [ 714.780012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.780012][ T10] [ 714.781989][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 714.781989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.781989][ T10] ipv6_find_idev+0x102/0x170 [ 714.781989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.781989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.781989][ T10] netlink_rcv_skb+0x130/0x360 [ 714.781989][ T10] netlink_unicast+0x449/0x710 [ 714.781989][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.781989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.781989][ T10] ___sys_sendmsg+0xee/0x170 [ 714.781989][ T10] __sys_sendmsg+0xcd/0x170 [ 714.781989][ T10] do_syscall_64+0xc6/0x1e0 [ 714.781989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.781989][ T10] [ 714.783512][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 714.783512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.783512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.783512][ T10] ipv6_find_idev+0x102/0x170 [ 714.783512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.783512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.783512][ T10] netlink_rcv_skb+0x130/0x360 [ 714.783512][ T10] netlink_unicast+0x449/0x710 [ 714.783512][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.783512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.783512][ T10] ___sys_sendmsg+0xee/0x170 [ 714.783512][ T10] __sys_sendmsg+0xcd/0x170 [ 714.783512][ T10] do_syscall_64+0xc6/0x1e0 [ 714.783512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.783512][ T10] [ 714.785216][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 714.785480][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 714.785480][ T10] netdev_get_by_index+0x5e/0x80 [ 714.785480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.785480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.785480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.785480][ T10] ipv6_add_addr+0x411/0x2000 [ 714.785480][ T10] inet6_addr_add+0x30e/0xa40 [ 714.785480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.785480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.785480][ T10] netlink_rcv_skb+0x130/0x360 [ 714.785480][ T10] netlink_unicast+0x449/0x710 [ 714.785480][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.785480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.785480][ T10] ___sys_sendmsg+0xee/0x170 [ 714.785480][ T10] __sys_sendmsg+0xcd/0x170 [ 714.785480][ T10] do_syscall_64+0xc6/0x1e0 [ 714.785480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.785480][ T10] [ 714.787469][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 714.787469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.787469][ T10] ipv6_find_idev+0x102/0x170 [ 714.787469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.787469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.787469][ T10] netlink_rcv_skb+0x130/0x360 [ 714.787469][ T10] netlink_unicast+0x449/0x710 [ 714.787469][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.787469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.787469][ T10] ___sys_sendmsg+0xee/0x170 [ 714.787469][ T10] __sys_sendmsg+0xcd/0x170 [ 714.787469][ T10] do_syscall_64+0xc6/0x1e0 [ 714.787469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.787469][ T10] [ 714.788999][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 714.788999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.788999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.788999][ T10] ipv6_find_idev+0x102/0x170 [ 714.788999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.788999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.788999][ T10] netlink_rcv_skb+0x130/0x360 [ 714.788999][ T10] netlink_unicast+0x449/0x710 [ 714.788999][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.788999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.788999][ T10] ___sys_sendmsg+0xee/0x170 [ 714.788999][ T10] __sys_sendmsg+0xcd/0x170 [ 714.788999][ T10] do_syscall_64+0xc6/0x1e0 [ 714.788999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.788999][ T10] [ 714.790663][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 714.791367][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 714.791367][ T10] netdev_get_by_index+0x5e/0x80 [ 714.791367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.791367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.791367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.791367][ T10] ipv6_add_addr+0x411/0x2000 [ 714.791367][ T10] inet6_addr_add+0x30e/0xa40 [ 714.791367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.791367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.791367][ T10] netlink_rcv_skb+0x130/0x360 [ 714.791367][ T10] netlink_unicast+0x449/0x710 [ 714.791367][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.791367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.791367][ T10] ___sys_sendmsg+0xee/0x170 [ 714.791367][ T10] __sys_sendmsg+0xcd/0x170 [ 714.791367][ T10] do_syscall_64+0xc6/0x1e0 [ 714.791367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.791367][ T10] [ 714.793336][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 714.793336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.793336][ T10] ipv6_find_idev+0x102/0x170 [ 714.793336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.793336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.793336][ T10] netlink_rcv_skb+0x130/0x360 [ 714.793336][ T10] netlink_unicast+0x449/0x710 [ 714.793336][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.793336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.793336][ T10] ___sys_sendmsg+0xee/0x170 [ 714.793336][ T10] __sys_sendmsg+0xcd/0x170 [ 714.793336][ T10] do_syscall_64+0xc6/0x1e0 [ 714.793336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.793336][ T10] [ 714.794848][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 714.794848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.794848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.794848][ T10] ipv6_find_idev+0x102/0x170 [ 714.794848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.794848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.794848][ T10] netlink_rcv_skb+0x130/0x360 [ 714.794848][ T10] netlink_unicast+0x449/0x710 [ 714.794848][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.794848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.794848][ T10] ___sys_sendmsg+0xee/0x170 [ 714.794848][ T10] __sys_sendmsg+0xcd/0x170 [ 714.794848][ T10] do_syscall_64+0xc6/0x1e0 [ 714.794848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.794848][ T10] [ 714.796576][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 714.796904][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 714.796904][ T10] netdev_get_by_index+0x5e/0x80 [ 714.796904][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.796904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.796904][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.796904][ T10] ipv6_add_addr+0x411/0x2000 [ 714.796904][ T10] inet6_addr_add+0x30e/0xa40 [ 714.796904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.796904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.796904][ T10] netlink_rcv_skb+0x130/0x360 [ 714.796904][ T10] netlink_unicast+0x449/0x710 [ 714.796904][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.796904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.796904][ T10] ___sys_sendmsg+0xee/0x170 [ 714.796904][ T10] __sys_sendmsg+0xcd/0x170 [ 714.796904][ T10] do_syscall_64+0xc6/0x1e0 [ 714.796904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.796904][ T10] [ 714.798927][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 714.798927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.798927][ T10] ipv6_find_idev+0x102/0x170 [ 714.798927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.798927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.798927][ T10] netlink_rcv_skb+0x130/0x360 [ 714.798927][ T10] netlink_unicast+0x449/0x710 [ 714.798927][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.798927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.798927][ T10] ___sys_sendmsg+0xee/0x170 [ 714.798927][ T10] __sys_sendmsg+0xcd/0x170 [ 714.798927][ T10] do_syscall_64+0xc6/0x1e0 [ 714.798927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.798927][ T10] [ 714.800454][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 714.800454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.800454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.800454][ T10] ipv6_find_idev+0x102/0x170 [ 714.800454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.800454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.800454][ T10] netlink_rcv_skb+0x130/0x360 [ 714.800454][ T10] netlink_unicast+0x449/0x710 [ 714.800454][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.800454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.800454][ T10] ___sys_sendmsg+0xee/0x170 [ 714.800454][ T10] __sys_sendmsg+0xcd/0x170 [ 714.800454][ T10] do_syscall_64+0xc6/0x1e0 [ 714.800454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.800454][ T10] [ 714.802159][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 714.802435][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 714.802435][ T10] netdev_get_by_index+0x5e/0x80 [ 714.802435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.802435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.802435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.802435][ T10] ipv6_add_addr+0x411/0x2000 [ 714.802435][ T10] inet6_addr_add+0x30e/0xa40 [ 714.802435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.802435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.802435][ T10] netlink_rcv_skb+0x130/0x360 [ 714.802435][ T10] netlink_unicast+0x449/0x710 [ 714.802435][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.802435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.802435][ T10] ___sys_sendmsg+0xee/0x170 [ 714.802435][ T10] __sys_sendmsg+0xcd/0x170 [ 714.802435][ T10] do_syscall_64+0xc6/0x1e0 [ 714.802435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.802435][ T10] [ 714.804471][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 714.804471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.804471][ T10] ipv6_find_idev+0x102/0x170 [ 714.804471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.804471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.804471][ T10] netlink_rcv_skb+0x130/0x360 [ 714.804471][ T10] netlink_unicast+0x449/0x710 [ 714.804471][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.804471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.804471][ T10] ___sys_sendmsg+0xee/0x170 [ 714.804471][ T10] __sys_sendmsg+0xcd/0x170 [ 714.804471][ T10] do_syscall_64+0xc6/0x1e0 [ 714.804471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.804471][ T10] [ 714.806172][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 714.806172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.806172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.806172][ T10] ipv6_find_idev+0x102/0x170 [ 714.806172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.806172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.806172][ T10] netlink_rcv_skb+0x130/0x360 [ 714.806172][ T10] netlink_unicast+0x449/0x710 [ 714.806172][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.806172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.806172][ T10] ___sys_sendmsg+0xee/0x170 [ 714.806172][ T10] __sys_sendmsg+0xcd/0x170 [ 714.806172][ T10] do_syscall_64+0xc6/0x1e0 [ 714.806172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.806172][ T10] [ 714.808176][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 714.808440][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 714.808440][ T10] netdev_get_by_index+0x5e/0x80 [ 714.808440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.808440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.808440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.808440][ T10] ipv6_add_addr+0x411/0x2000 [ 714.808440][ T10] inet6_addr_add+0x30e/0xa40 [ 714.808440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.808440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.808440][ T10] netlink_rcv_skb+0x130/0x360 [ 714.808440][ T10] netlink_unicast+0x449/0x710 [ 714.808440][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.808440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.808440][ T10] ___sys_sendmsg+0xee/0x170 [ 714.808440][ T10] __sys_sendmsg+0xcd/0x170 [ 714.808440][ T10] do_syscall_64+0xc6/0x1e0 [ 714.808440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.808440][ T10] [ 714.810603][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 714.810603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.810603][ T10] ipv6_find_idev+0x102/0x170 [ 714.810603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.810603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.810603][ T10] netlink_rcv_skb+0x130/0x360 [ 714.810603][ T10] netlink_unicast+0x449/0x710 [ 714.810603][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.810603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.810603][ T10] ___sys_sendmsg+0xee/0x170 [ 714.810603][ T10] __sys_sendmsg+0xcd/0x170 [ 714.810603][ T10] do_syscall_64+0xc6/0x1e0 [ 714.810603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.810603][ T10] [ 714.812677][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 714.812677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.812677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.812677][ T10] ipv6_find_idev+0x102/0x170 [ 714.812677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.812677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.812677][ T10] netlink_rcv_skb+0x130/0x360 [ 714.812677][ T10] netlink_unicast+0x449/0x710 [ 714.812677][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.812677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.812677][ T10] ___sys_sendmsg+0xee/0x170 [ 714.812677][ T10] __sys_sendmsg+0xcd/0x170 [ 714.812677][ T10] do_syscall_64+0xc6/0x1e0 [ 714.812677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.812677][ T10] [ 714.814605][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 714.814919][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 714.814919][ T10] netdev_get_by_index+0x5e/0x80 [ 714.814919][ T10] fib6_nh_init+0x3d8/0x15b0 [ 714.814919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 714.814919][ T10] addrconf_f6i_alloc+0x244/0x410 [ 714.814919][ T10] ipv6_add_addr+0x411/0x2000 [ 714.814919][ T10] inet6_addr_add+0x30e/0xa40 [ 714.814919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 714.814919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.814919][ T10] netlink_rcv_skb+0x130/0x360 [ 714.814919][ T10] netlink_unicast+0x449/0x710 [ 714.814919][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.814919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.814919][ T10] ___sys_sendmsg+0xee/0x170 [ 714.814919][ T10] __sys_sendmsg+0xcd/0x170 [ 714.814919][ T10] do_syscall_64+0xc6/0x1e0 [ 714.814919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.814919][ T10] [ 714.817068][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 714.817068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 714.817068][ T10] ipv6_find_idev+0x102/0x170 [ 714.817068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.817068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.817068][ T10] netlink_rcv_skb+0x130/0x360 [ 714.817068][ T10] netlink_unicast+0x449/0x710 [ 714.817068][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.817068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.817068][ T10] ___sys_sendmsg+0xee/0x170 [ 714.817068][ T10] __sys_sendmsg+0xcd/0x170 [ 714.817068][ T10] do_syscall_64+0xc6/0x1e0 [ 714.817068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.817068][ T10] [ 714.818835][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 714.818835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 714.818835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 714.818835][ T10] ipv6_find_idev+0x102/0x170 [ 714.818835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 714.818835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 714.818835][ T10] netlink_rcv_skb+0x130/0x360 [ 714.818835][ T10] netlink_unicast+0x449/0x710 [ 714.818835][ T10] netlink_sendmsg+0x723/0xbe0 [ 714.818835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 714.818835][ T10] ___sys_sendmsg+0xee/0x170 [ 714.818835][ T10] __sys_sendmsg+0xcd/0x170 [ 714.818835][ T10] do_syscall_64+0xc6/0x1e0 [ 714.818835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 714.818835][ T10] [ 724.877911][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 724.878412][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 724.878412][ T10] netdev_get_by_index+0x5e/0x80 [ 724.878412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.878412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.878412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.878412][ T10] ipv6_add_addr+0x411/0x2000 [ 724.878412][ T10] inet6_addr_add+0x30e/0xa40 [ 724.878412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.878412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.878412][ T10] netlink_rcv_skb+0x130/0x360 [ 724.878412][ T10] netlink_unicast+0x449/0x710 [ 724.878412][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.878412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.878412][ T10] ___sys_sendmsg+0xee/0x170 [ 724.878412][ T10] __sys_sendmsg+0xcd/0x170 [ 724.878412][ T10] do_syscall_64+0xc6/0x1e0 [ 724.878412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.878412][ T10] [ 724.880427][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 724.880427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.880427][ T10] ipv6_find_idev+0x102/0x170 [ 724.880427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.880427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.880427][ T10] netlink_rcv_skb+0x130/0x360 [ 724.880427][ T10] netlink_unicast+0x449/0x710 [ 724.880427][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.880427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.880427][ T10] ___sys_sendmsg+0xee/0x170 [ 724.880427][ T10] __sys_sendmsg+0xcd/0x170 [ 724.880427][ T10] do_syscall_64+0xc6/0x1e0 [ 724.880427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.880427][ T10] [ 724.881978][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 724.881978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.881978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.881978][ T10] ipv6_find_idev+0x102/0x170 [ 724.881978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.881978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.881978][ T10] netlink_rcv_skb+0x130/0x360 [ 724.881978][ T10] netlink_unicast+0x449/0x710 [ 724.881978][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.881978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.881978][ T10] ___sys_sendmsg+0xee/0x170 [ 724.881978][ T10] __sys_sendmsg+0xcd/0x170 [ 724.881978][ T10] do_syscall_64+0xc6/0x1e0 [ 724.881978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.881978][ T10] [ 724.883655][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 724.883936][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 724.883936][ T10] netdev_get_by_index+0x5e/0x80 [ 724.883936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.883936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.883936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.883936][ T10] ipv6_add_addr+0x411/0x2000 [ 724.883936][ T10] inet6_addr_add+0x30e/0xa40 [ 724.883936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.883936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.883936][ T10] netlink_rcv_skb+0x130/0x360 [ 724.883936][ T10] netlink_unicast+0x449/0x710 [ 724.883936][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.883936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.883936][ T10] ___sys_sendmsg+0xee/0x170 [ 724.883936][ T10] __sys_sendmsg+0xcd/0x170 [ 724.883936][ T10] do_syscall_64+0xc6/0x1e0 [ 724.883936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.883936][ T10] [ 724.885953][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 724.885953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.885953][ T10] ipv6_find_idev+0x102/0x170 [ 724.885953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.885953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.885953][ T10] netlink_rcv_skb+0x130/0x360 [ 724.885953][ T10] netlink_unicast+0x449/0x710 [ 724.885953][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.885953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.885953][ T10] ___sys_sendmsg+0xee/0x170 [ 724.885953][ T10] __sys_sendmsg+0xcd/0x170 [ 724.885953][ T10] do_syscall_64+0xc6/0x1e0 [ 724.885953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.885953][ T10] [ 724.887494][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 724.887494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.887494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.887494][ T10] ipv6_find_idev+0x102/0x170 [ 724.887494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.887494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.887494][ T10] netlink_rcv_skb+0x130/0x360 [ 724.887494][ T10] netlink_unicast+0x449/0x710 [ 724.887494][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.887494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.887494][ T10] ___sys_sendmsg+0xee/0x170 [ 724.887494][ T10] __sys_sendmsg+0xcd/0x170 [ 724.887494][ T10] do_syscall_64+0xc6/0x1e0 [ 724.887494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.887494][ T10] [ 724.889179][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 724.889446][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 724.889446][ T10] netdev_get_by_index+0x5e/0x80 [ 724.889446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.889446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.889446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.889446][ T10] ipv6_add_addr+0x411/0x2000 [ 724.889446][ T10] inet6_addr_add+0x30e/0xa40 [ 724.889446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.889446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.889446][ T10] netlink_rcv_skb+0x130/0x360 [ 724.889446][ T10] netlink_unicast+0x449/0x710 [ 724.889446][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.889446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.889446][ T10] ___sys_sendmsg+0xee/0x170 [ 724.889446][ T10] __sys_sendmsg+0xcd/0x170 [ 724.889446][ T10] do_syscall_64+0xc6/0x1e0 [ 724.889446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.889446][ T10] [ 724.891433][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 724.891433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.891433][ T10] ipv6_find_idev+0x102/0x170 [ 724.891433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.891433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.891433][ T10] netlink_rcv_skb+0x130/0x360 [ 724.891433][ T10] netlink_unicast+0x449/0x710 [ 724.891433][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.891433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.891433][ T10] ___sys_sendmsg+0xee/0x170 [ 724.891433][ T10] __sys_sendmsg+0xcd/0x170 [ 724.891433][ T10] do_syscall_64+0xc6/0x1e0 [ 724.891433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.891433][ T10] [ 724.892964][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 724.892964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.892964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.892964][ T10] ipv6_find_idev+0x102/0x170 [ 724.892964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.892964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.892964][ T10] netlink_rcv_skb+0x130/0x360 [ 724.892964][ T10] netlink_unicast+0x449/0x710 [ 724.892964][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.892964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.892964][ T10] ___sys_sendmsg+0xee/0x170 [ 724.892964][ T10] __sys_sendmsg+0xcd/0x170 [ 724.892964][ T10] do_syscall_64+0xc6/0x1e0 [ 724.892964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.892964][ T10] [ 724.894621][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 724.895318][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 724.895318][ T10] netdev_get_by_index+0x5e/0x80 [ 724.895318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.895318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.895318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.895318][ T10] ipv6_add_addr+0x411/0x2000 [ 724.895318][ T10] inet6_addr_add+0x30e/0xa40 [ 724.895318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.895318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.895318][ T10] netlink_rcv_skb+0x130/0x360 [ 724.895318][ T10] netlink_unicast+0x449/0x710 [ 724.895318][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.895318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.895318][ T10] ___sys_sendmsg+0xee/0x170 [ 724.895318][ T10] __sys_sendmsg+0xcd/0x170 [ 724.895318][ T10] do_syscall_64+0xc6/0x1e0 [ 724.895318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.895318][ T10] [ 724.897284][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 724.897284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.897284][ T10] ipv6_find_idev+0x102/0x170 [ 724.897284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.897284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.897284][ T10] netlink_rcv_skb+0x130/0x360 [ 724.897284][ T10] netlink_unicast+0x449/0x710 [ 724.897284][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.897284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.897284][ T10] ___sys_sendmsg+0xee/0x170 [ 724.897284][ T10] __sys_sendmsg+0xcd/0x170 [ 724.897284][ T10] do_syscall_64+0xc6/0x1e0 [ 724.897284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.897284][ T10] [ 724.898806][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 724.898806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.898806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.898806][ T10] ipv6_find_idev+0x102/0x170 [ 724.898806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.898806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.898806][ T10] netlink_rcv_skb+0x130/0x360 [ 724.898806][ T10] netlink_unicast+0x449/0x710 [ 724.898806][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.898806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.898806][ T10] ___sys_sendmsg+0xee/0x170 [ 724.898806][ T10] __sys_sendmsg+0xcd/0x170 [ 724.898806][ T10] do_syscall_64+0xc6/0x1e0 [ 724.898806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.898806][ T10] [ 724.900510][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 724.900781][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 724.900781][ T10] netdev_get_by_index+0x5e/0x80 [ 724.900781][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.900781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.900781][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.900781][ T10] ipv6_add_addr+0x411/0x2000 [ 724.900781][ T10] inet6_addr_add+0x30e/0xa40 [ 724.900781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.900781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.900781][ T10] netlink_rcv_skb+0x130/0x360 [ 724.900781][ T10] netlink_unicast+0x449/0x710 [ 724.900781][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.900781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.900781][ T10] ___sys_sendmsg+0xee/0x170 [ 724.900781][ T10] __sys_sendmsg+0xcd/0x170 [ 724.900781][ T10] do_syscall_64+0xc6/0x1e0 [ 724.900781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.900781][ T10] [ 724.902751][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 724.902751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.902751][ T10] ipv6_find_idev+0x102/0x170 [ 724.902751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.902751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.902751][ T10] netlink_rcv_skb+0x130/0x360 [ 724.902751][ T10] netlink_unicast+0x449/0x710 [ 724.902751][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.902751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.902751][ T10] ___sys_sendmsg+0xee/0x170 [ 724.902751][ T10] __sys_sendmsg+0xcd/0x170 [ 724.902751][ T10] do_syscall_64+0xc6/0x1e0 [ 724.902751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.902751][ T10] [ 724.904284][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 724.904284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.904284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.904284][ T10] ipv6_find_idev+0x102/0x170 [ 724.904284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.904284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.904284][ T10] netlink_rcv_skb+0x130/0x360 [ 724.904284][ T10] netlink_unicast+0x449/0x710 [ 724.904284][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.904284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.904284][ T10] ___sys_sendmsg+0xee/0x170 [ 724.904284][ T10] __sys_sendmsg+0xcd/0x170 [ 724.904284][ T10] do_syscall_64+0xc6/0x1e0 [ 724.904284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.904284][ T10] [ 724.905985][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 724.906244][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 724.906244][ T10] netdev_get_by_index+0x5e/0x80 [ 724.906244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.906244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.906244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.906244][ T10] ipv6_add_addr+0x411/0x2000 [ 724.906244][ T10] inet6_addr_add+0x30e/0xa40 [ 724.906244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.906244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.906244][ T10] netlink_rcv_skb+0x130/0x360 [ 724.906244][ T10] netlink_unicast+0x449/0x710 [ 724.906244][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.906244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.906244][ T10] ___sys_sendmsg+0xee/0x170 [ 724.906244][ T10] __sys_sendmsg+0xcd/0x170 [ 724.906244][ T10] do_syscall_64+0xc6/0x1e0 [ 724.906244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.906244][ T10] [ 724.908300][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 724.908300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.908300][ T10] ipv6_find_idev+0x102/0x170 [ 724.908300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.908300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.908300][ T10] netlink_rcv_skb+0x130/0x360 [ 724.908300][ T10] netlink_unicast+0x449/0x710 [ 724.908300][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.908300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.908300][ T10] ___sys_sendmsg+0xee/0x170 [ 724.908300][ T10] __sys_sendmsg+0xcd/0x170 [ 724.908300][ T10] do_syscall_64+0xc6/0x1e0 [ 724.908300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.908300][ T10] [ 724.909940][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 724.909940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.909940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.909940][ T10] ipv6_find_idev+0x102/0x170 [ 724.909940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.909940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.909940][ T10] netlink_rcv_skb+0x130/0x360 [ 724.909940][ T10] netlink_unicast+0x449/0x710 [ 724.909940][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.909940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.909940][ T10] ___sys_sendmsg+0xee/0x170 [ 724.909940][ T10] __sys_sendmsg+0xcd/0x170 [ 724.909940][ T10] do_syscall_64+0xc6/0x1e0 [ 724.909940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.909940][ T10] [ 724.911717][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 724.912039][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 724.912039][ T10] netdev_get_by_index+0x5e/0x80 [ 724.912039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.912039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.912039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.912039][ T10] ipv6_add_addr+0x411/0x2000 [ 724.912039][ T10] inet6_addr_add+0x30e/0xa40 [ 724.912039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.912039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.912039][ T10] netlink_rcv_skb+0x130/0x360 [ 724.912039][ T10] netlink_unicast+0x449/0x710 [ 724.912039][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.912039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.912039][ T10] ___sys_sendmsg+0xee/0x170 [ 724.912039][ T10] __sys_sendmsg+0xcd/0x170 [ 724.912039][ T10] do_syscall_64+0xc6/0x1e0 [ 724.912039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.912039][ T10] [ 724.914148][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 724.914148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.914148][ T10] ipv6_find_idev+0x102/0x170 [ 724.914148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.914148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.914148][ T10] netlink_rcv_skb+0x130/0x360 [ 724.914148][ T10] netlink_unicast+0x449/0x710 [ 724.914148][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.914148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.914148][ T10] ___sys_sendmsg+0xee/0x170 [ 724.914148][ T10] __sys_sendmsg+0xcd/0x170 [ 724.914148][ T10] do_syscall_64+0xc6/0x1e0 [ 724.914148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.914148][ T10] [ 724.915798][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 724.915798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.915798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.915798][ T10] ipv6_find_idev+0x102/0x170 [ 724.915798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.915798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.915798][ T10] netlink_rcv_skb+0x130/0x360 [ 724.915798][ T10] netlink_unicast+0x449/0x710 [ 724.915798][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.915798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.915798][ T10] ___sys_sendmsg+0xee/0x170 [ 724.915798][ T10] __sys_sendmsg+0xcd/0x170 [ 724.915798][ T10] do_syscall_64+0xc6/0x1e0 [ 724.915798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.915798][ T10] [ 724.917609][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 724.917930][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 724.917930][ T10] netdev_get_by_index+0x5e/0x80 [ 724.917930][ T10] fib6_nh_init+0x3d8/0x15b0 [ 724.917930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 724.917930][ T10] addrconf_f6i_alloc+0x244/0x410 [ 724.917930][ T10] ipv6_add_addr+0x411/0x2000 [ 724.917930][ T10] inet6_addr_add+0x30e/0xa40 [ 724.917930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 724.917930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.917930][ T10] netlink_rcv_skb+0x130/0x360 [ 724.917930][ T10] netlink_unicast+0x449/0x710 [ 724.917930][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.917930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.917930][ T10] ___sys_sendmsg+0xee/0x170 [ 724.917930][ T10] __sys_sendmsg+0xcd/0x170 [ 724.917930][ T10] do_syscall_64+0xc6/0x1e0 [ 724.917930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.917930][ T10] [ 724.919962][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 724.919962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 724.919962][ T10] ipv6_find_idev+0x102/0x170 [ 724.919962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.919962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.919962][ T10] netlink_rcv_skb+0x130/0x360 [ 724.919962][ T10] netlink_unicast+0x449/0x710 [ 724.919962][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.919962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.919962][ T10] ___sys_sendmsg+0xee/0x170 [ 724.919962][ T10] __sys_sendmsg+0xcd/0x170 [ 724.919962][ T10] do_syscall_64+0xc6/0x1e0 [ 724.919962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.919962][ T10] [ 724.921606][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 724.921606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 724.921606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 724.921606][ T10] ipv6_find_idev+0x102/0x170 [ 724.921606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 724.921606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 724.921606][ T10] netlink_rcv_skb+0x130/0x360 [ 724.921606][ T10] netlink_unicast+0x449/0x710 [ 724.921606][ T10] netlink_sendmsg+0x723/0xbe0 [ 724.921606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 724.921606][ T10] ___sys_sendmsg+0xee/0x170 [ 724.921606][ T10] __sys_sendmsg+0xcd/0x170 [ 724.921606][ T10] do_syscall_64+0xc6/0x1e0 [ 724.921606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 724.921606][ T10] [ 734.989947][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 734.990396][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 734.990396][ T10] netdev_get_by_index+0x5e/0x80 [ 734.990396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 734.990396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.990396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 734.990396][ T10] ipv6_add_addr+0x411/0x2000 [ 734.990396][ T10] inet6_addr_add+0x30e/0xa40 [ 734.990396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.990396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.990396][ T10] netlink_rcv_skb+0x130/0x360 [ 734.990396][ T10] netlink_unicast+0x449/0x710 [ 734.990396][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.990396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.990396][ T10] ___sys_sendmsg+0xee/0x170 [ 734.990396][ T10] __sys_sendmsg+0xcd/0x170 [ 734.990396][ T10] do_syscall_64+0xc6/0x1e0 [ 734.990396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.990396][ T10] [ 734.992436][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 734.992436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 734.992436][ T10] ipv6_find_idev+0x102/0x170 [ 734.992436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.992436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.992436][ T10] netlink_rcv_skb+0x130/0x360 [ 734.992436][ T10] netlink_unicast+0x449/0x710 [ 734.992436][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.992436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.992436][ T10] ___sys_sendmsg+0xee/0x170 [ 734.992436][ T10] __sys_sendmsg+0xcd/0x170 [ 734.992436][ T10] do_syscall_64+0xc6/0x1e0 [ 734.992436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.992436][ T10] [ 734.993993][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 734.993993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 734.993993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 734.993993][ T10] ipv6_find_idev+0x102/0x170 [ 734.993993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.993993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.993993][ T10] netlink_rcv_skb+0x130/0x360 [ 734.993993][ T10] netlink_unicast+0x449/0x710 [ 734.993993][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.993993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.993993][ T10] ___sys_sendmsg+0xee/0x170 [ 734.993993][ T10] __sys_sendmsg+0xcd/0x170 [ 734.993993][ T10] do_syscall_64+0xc6/0x1e0 [ 734.993993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.993993][ T10] [ 734.995707][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 734.995999][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 734.995999][ T10] netdev_get_by_index+0x5e/0x80 [ 734.995999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 734.995999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.995999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 734.995999][ T10] ipv6_add_addr+0x411/0x2000 [ 734.995999][ T10] inet6_addr_add+0x30e/0xa40 [ 734.995999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.995999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.995999][ T10] netlink_rcv_skb+0x130/0x360 [ 734.995999][ T10] netlink_unicast+0x449/0x710 [ 734.995999][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.995999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.995999][ T10] ___sys_sendmsg+0xee/0x170 [ 734.995999][ T10] __sys_sendmsg+0xcd/0x170 [ 734.995999][ T10] do_syscall_64+0xc6/0x1e0 [ 734.995999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.995999][ T10] [ 734.998016][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 734.998016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 734.998016][ T10] ipv6_find_idev+0x102/0x170 [ 734.998016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.998016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.998016][ T10] netlink_rcv_skb+0x130/0x360 [ 734.998016][ T10] netlink_unicast+0x449/0x710 [ 734.998016][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.998016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.998016][ T10] ___sys_sendmsg+0xee/0x170 [ 734.998016][ T10] __sys_sendmsg+0xcd/0x170 [ 734.998016][ T10] do_syscall_64+0xc6/0x1e0 [ 734.998016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.998016][ T10] [ 734.999596][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 734.999596][ T10] neigh_parms_alloc+0x1e5/0x510 [ 734.999596][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 734.999596][ T10] ipv6_find_idev+0x102/0x170 [ 734.999596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.999596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.999596][ T10] netlink_rcv_skb+0x130/0x360 [ 734.999596][ T10] netlink_unicast+0x449/0x710 [ 734.999596][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.999596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.999596][ T10] ___sys_sendmsg+0xee/0x170 [ 734.999596][ T10] __sys_sendmsg+0xcd/0x170 [ 734.999596][ T10] do_syscall_64+0xc6/0x1e0 [ 734.999596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.999596][ T10] [ 735.001303][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 735.001570][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 735.001570][ T10] netdev_get_by_index+0x5e/0x80 [ 735.001570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.001570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.001570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.001570][ T10] ipv6_add_addr+0x411/0x2000 [ 735.001570][ T10] inet6_addr_add+0x30e/0xa40 [ 735.001570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.001570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.001570][ T10] netlink_rcv_skb+0x130/0x360 [ 735.001570][ T10] netlink_unicast+0x449/0x710 [ 735.001570][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.001570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.001570][ T10] ___sys_sendmsg+0xee/0x170 [ 735.001570][ T10] __sys_sendmsg+0xcd/0x170 [ 735.001570][ T10] do_syscall_64+0xc6/0x1e0 [ 735.001570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.001570][ T10] [ 735.003574][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 735.003574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.003574][ T10] ipv6_find_idev+0x102/0x170 [ 735.003574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.003574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.003574][ T10] netlink_rcv_skb+0x130/0x360 [ 735.003574][ T10] netlink_unicast+0x449/0x710 [ 735.003574][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.003574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.003574][ T10] ___sys_sendmsg+0xee/0x170 [ 735.003574][ T10] __sys_sendmsg+0xcd/0x170 [ 735.003574][ T10] do_syscall_64+0xc6/0x1e0 [ 735.003574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.003574][ T10] [ 735.005120][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 735.005120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.005120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.005120][ T10] ipv6_find_idev+0x102/0x170 [ 735.005120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.005120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.005120][ T10] netlink_rcv_skb+0x130/0x360 [ 735.005120][ T10] netlink_unicast+0x449/0x710 [ 735.005120][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.005120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.005120][ T10] ___sys_sendmsg+0xee/0x170 [ 735.005120][ T10] __sys_sendmsg+0xcd/0x170 [ 735.005120][ T10] do_syscall_64+0xc6/0x1e0 [ 735.005120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.005120][ T10] [ 735.006827][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 735.007099][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 735.007099][ T10] netdev_get_by_index+0x5e/0x80 [ 735.007099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.007099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.007099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.007099][ T10] ipv6_add_addr+0x411/0x2000 [ 735.007099][ T10] inet6_addr_add+0x30e/0xa40 [ 735.007099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.007099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.007099][ T10] netlink_rcv_skb+0x130/0x360 [ 735.007099][ T10] netlink_unicast+0x449/0x710 [ 735.007099][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.007099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.007099][ T10] ___sys_sendmsg+0xee/0x170 [ 735.007099][ T10] __sys_sendmsg+0xcd/0x170 [ 735.007099][ T10] do_syscall_64+0xc6/0x1e0 [ 735.007099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.007099][ T10] [ 735.009104][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 735.009104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.009104][ T10] ipv6_find_idev+0x102/0x170 [ 735.009104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.009104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.009104][ T10] netlink_rcv_skb+0x130/0x360 [ 735.009104][ T10] netlink_unicast+0x449/0x710 [ 735.009104][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.009104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.009104][ T10] ___sys_sendmsg+0xee/0x170 [ 735.009104][ T10] __sys_sendmsg+0xcd/0x170 [ 735.009104][ T10] do_syscall_64+0xc6/0x1e0 [ 735.009104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.009104][ T10] [ 735.010647][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 735.010647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.010647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.010647][ T10] ipv6_find_idev+0x102/0x170 [ 735.010647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.010647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.010647][ T10] netlink_rcv_skb+0x130/0x360 [ 735.010647][ T10] netlink_unicast+0x449/0x710 [ 735.010647][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.010647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.010647][ T10] ___sys_sendmsg+0xee/0x170 [ 735.010647][ T10] __sys_sendmsg+0xcd/0x170 [ 735.010647][ T10] do_syscall_64+0xc6/0x1e0 [ 735.010647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.010647][ T10] [ 735.012734][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 735.013338][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 735.013338][ T10] netdev_get_by_index+0x5e/0x80 [ 735.013338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.013338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.013338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.013338][ T10] ipv6_add_addr+0x411/0x2000 [ 735.013338][ T10] inet6_addr_add+0x30e/0xa40 [ 735.013338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.013338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.013338][ T10] netlink_rcv_skb+0x130/0x360 [ 735.013338][ T10] netlink_unicast+0x449/0x710 [ 735.013338][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.013338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.013338][ T10] ___sys_sendmsg+0xee/0x170 [ 735.013338][ T10] __sys_sendmsg+0xcd/0x170 [ 735.013338][ T10] do_syscall_64+0xc6/0x1e0 [ 735.013338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.013338][ T10] [ 735.015328][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 735.015328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.015328][ T10] ipv6_find_idev+0x102/0x170 [ 735.015328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.015328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.015328][ T10] netlink_rcv_skb+0x130/0x360 [ 735.015328][ T10] netlink_unicast+0x449/0x710 [ 735.015328][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.015328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.015328][ T10] ___sys_sendmsg+0xee/0x170 [ 735.015328][ T10] __sys_sendmsg+0xcd/0x170 [ 735.015328][ T10] do_syscall_64+0xc6/0x1e0 [ 735.015328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.015328][ T10] [ 735.016864][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 735.016864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.016864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.016864][ T10] ipv6_find_idev+0x102/0x170 [ 735.016864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.016864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.016864][ T10] netlink_rcv_skb+0x130/0x360 [ 735.016864][ T10] netlink_unicast+0x449/0x710 [ 735.016864][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.016864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.016864][ T10] ___sys_sendmsg+0xee/0x170 [ 735.016864][ T10] __sys_sendmsg+0xcd/0x170 [ 735.016864][ T10] do_syscall_64+0xc6/0x1e0 [ 735.016864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.016864][ T10] [ 735.018582][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 735.018906][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 735.018906][ T10] netdev_get_by_index+0x5e/0x80 [ 735.018906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.018906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.018906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.018906][ T10] ipv6_add_addr+0x411/0x2000 [ 735.018906][ T10] inet6_addr_add+0x30e/0xa40 [ 735.018906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.018906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.018906][ T10] netlink_rcv_skb+0x130/0x360 [ 735.018906][ T10] netlink_unicast+0x449/0x710 [ 735.018906][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.018906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.018906][ T10] ___sys_sendmsg+0xee/0x170 [ 735.018906][ T10] __sys_sendmsg+0xcd/0x170 [ 735.018906][ T10] do_syscall_64+0xc6/0x1e0 [ 735.018906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.018906][ T10] [ 735.020906][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 735.020906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.020906][ T10] ipv6_find_idev+0x102/0x170 [ 735.020906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.020906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.020906][ T10] netlink_rcv_skb+0x130/0x360 [ 735.020906][ T10] netlink_unicast+0x449/0x710 [ 735.020906][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.020906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.020906][ T10] ___sys_sendmsg+0xee/0x170 [ 735.020906][ T10] __sys_sendmsg+0xcd/0x170 [ 735.020906][ T10] do_syscall_64+0xc6/0x1e0 [ 735.020906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.020906][ T10] [ 735.022518][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 735.022518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.022518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.022518][ T10] ipv6_find_idev+0x102/0x170 [ 735.022518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.022518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.022518][ T10] netlink_rcv_skb+0x130/0x360 [ 735.022518][ T10] netlink_unicast+0x449/0x710 [ 735.022518][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.022518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.022518][ T10] ___sys_sendmsg+0xee/0x170 [ 735.022518][ T10] __sys_sendmsg+0xcd/0x170 [ 735.022518][ T10] do_syscall_64+0xc6/0x1e0 [ 735.022518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.022518][ T10] [ 735.024424][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 735.024689][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 735.024689][ T10] netdev_get_by_index+0x5e/0x80 [ 735.024689][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.024689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.024689][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.024689][ T10] ipv6_add_addr+0x411/0x2000 [ 735.024689][ T10] inet6_addr_add+0x30e/0xa40 [ 735.024689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.024689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.024689][ T10] netlink_rcv_skb+0x130/0x360 [ 735.024689][ T10] netlink_unicast+0x449/0x710 [ 735.024689][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.024689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.024689][ T10] ___sys_sendmsg+0xee/0x170 [ 735.024689][ T10] __sys_sendmsg+0xcd/0x170 [ 735.024689][ T10] do_syscall_64+0xc6/0x1e0 [ 735.024689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.024689][ T10] [ 735.026934][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 735.026934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.026934][ T10] ipv6_find_idev+0x102/0x170 [ 735.026934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.026934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.026934][ T10] netlink_rcv_skb+0x130/0x360 [ 735.026934][ T10] netlink_unicast+0x449/0x710 [ 735.026934][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.026934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.026934][ T10] ___sys_sendmsg+0xee/0x170 [ 735.026934][ T10] __sys_sendmsg+0xcd/0x170 [ 735.026934][ T10] do_syscall_64+0xc6/0x1e0 [ 735.026934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.026934][ T10] [ 735.028686][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 735.028686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.028686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.028686][ T10] ipv6_find_idev+0x102/0x170 [ 735.028686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.028686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.028686][ T10] netlink_rcv_skb+0x130/0x360 [ 735.028686][ T10] netlink_unicast+0x449/0x710 [ 735.028686][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.028686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.028686][ T10] ___sys_sendmsg+0xee/0x170 [ 735.028686][ T10] __sys_sendmsg+0xcd/0x170 [ 735.028686][ T10] do_syscall_64+0xc6/0x1e0 [ 735.028686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.028686][ T10] [ 735.030666][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 735.030996][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 735.030996][ T10] netdev_get_by_index+0x5e/0x80 [ 735.030996][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.030996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.030996][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.030996][ T10] ipv6_add_addr+0x411/0x2000 [ 735.030996][ T10] inet6_addr_add+0x30e/0xa40 [ 735.030996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.030996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.030996][ T10] netlink_rcv_skb+0x130/0x360 [ 735.030996][ T10] netlink_unicast+0x449/0x710 [ 735.030996][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.030996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.030996][ T10] ___sys_sendmsg+0xee/0x170 [ 735.030996][ T10] __sys_sendmsg+0xcd/0x170 [ 735.030996][ T10] do_syscall_64+0xc6/0x1e0 [ 735.030996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.030996][ T10] [ 735.033209][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 735.033209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.033209][ T10] ipv6_find_idev+0x102/0x170 [ 735.033209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.033209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.033209][ T10] netlink_rcv_skb+0x130/0x360 [ 735.033209][ T10] netlink_unicast+0x449/0x710 [ 735.033209][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.033209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.033209][ T10] ___sys_sendmsg+0xee/0x170 [ 735.033209][ T10] __sys_sendmsg+0xcd/0x170 [ 735.033209][ T10] do_syscall_64+0xc6/0x1e0 [ 735.033209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.033209][ T10] [ 735.034934][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 735.034934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.034934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.034934][ T10] ipv6_find_idev+0x102/0x170 [ 735.034934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.034934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.034934][ T10] netlink_rcv_skb+0x130/0x360 [ 735.034934][ T10] netlink_unicast+0x449/0x710 [ 735.034934][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.034934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.034934][ T10] ___sys_sendmsg+0xee/0x170 [ 735.034934][ T10] __sys_sendmsg+0xcd/0x170 [ 735.034934][ T10] do_syscall_64+0xc6/0x1e0 [ 735.034934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.034934][ T10] [ 738.597976][ T42] INFO: task modprobe:1060 blocked for more than 491 seconds. [ 738.598388][ T42] Not tainted 6.8.0-virtme #1 [ 738.598512][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.598718][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 738.599024][ T42] Call Trace: [ 738.599126][ T42] [ 738.599200][ T42] __schedule+0x705/0x1ac0 [ 738.599344][ T42] ? __pfx___schedule+0x10/0x10 [ 738.599476][ T42] ? schedule+0x1a5/0x210 [ 738.599576][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.599715][ T42] ? mark_lock+0x38/0x3e0 [ 738.599828][ T42] ? do_raw_spin_lock+0x131/0x270 [ 738.599961][ T42] ? schedule+0x1a5/0x210 [ 738.600062][ T42] schedule+0xdf/0x210 [ 738.600162][ T42] schedule_preempt_disabled+0x15/0x30 [ 738.600288][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 738.600426][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 738.600586][ T42] ? kasan_save_stack+0x34/0x50 [ 738.600713][ T42] ? kasan_save_stack+0x24/0x50 [ 738.600850][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.600986][ T42] ? lock_acquire+0x1c1/0x220 [ 738.601112][ T42] ? register_pernet_subsys+0x1a/0x50 [ 738.601253][ T42] down_write+0x1c9/0x200 [ 738.601354][ T42] ? __pfx_down_write+0x10/0x10 [ 738.601490][ T42] ? __pfx___lock_release+0x10/0x10 [ 738.601622][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 738.601827][ T42] register_pernet_subsys+0x1a/0x50 [ 738.601955][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 738.602138][ T42] do_one_initcall+0xc8/0x3f0 [ 738.602271][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 738.602401][ T42] ? __create_object+0x5e/0xb0 [ 738.602531][ T42] ? kasan_unpoison+0x27/0x60 [ 738.602666][ T42] do_init_module+0x233/0x740 [ 738.602825][ T42] load_module+0x16b5/0x2350 [ 738.602978][ T42] ? __pfx_load_module+0x10/0x10 [ 738.603111][ T42] ? kernel_read_file+0x3d2/0x520 [ 738.603247][ T42] ? kernel_read_file+0x300/0x520 [ 738.603377][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 738.603511][ T42] ? init_module_from_file+0xd2/0x130 [ 738.603636][ T42] init_module_from_file+0xd2/0x130 [ 738.603765][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 738.603944][ T42] ? __lock_release+0x103/0x460 [ 738.604071][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.604208][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.604335][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 738.604467][ T42] idempotent_init_module+0x342/0x620 [ 738.604595][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 738.604785][ T42] __x64_sys_finit_module+0xbe/0x130 [ 738.604915][ T42] do_syscall_64+0xc6/0x1e0 [ 738.605048][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.605207][ T42] RIP: 0033:0x7ff11fe2be5d [ 738.605346][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 738.605537][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 738.605727][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 738.605927][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 738.606115][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 738.606300][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 738.606500][ T42] [ 738.606600][ T42] [ 738.606600][ T42] Showing all locks held in the system: [ 738.606800][ T42] 3 locks held by kworker/u16:0/10: [ 738.606932][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.607193][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.607416][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 738.607642][ T42] 2 locks held by kworker/u20:0/39: [ 738.607779][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.608036][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.608321][ T42] 1 lock held by khungtaskd/42: [ 738.608442][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 738.608673][ T42] 1 lock held by modprobe/1060: [ 738.608807][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 738.609061][ T42] [ 738.609125][ T42] ============================================= [ 738.609125][ T42] [ 745.125890][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 745.126450][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 745.126450][ T10] netdev_get_by_index+0x5e/0x80 [ 745.126450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.126450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.126450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.126450][ T10] ipv6_add_addr+0x411/0x2000 [ 745.126450][ T10] inet6_addr_add+0x30e/0xa40 [ 745.126450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.126450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.126450][ T10] netlink_rcv_skb+0x130/0x360 [ 745.126450][ T10] netlink_unicast+0x449/0x710 [ 745.126450][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.126450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.126450][ T10] ___sys_sendmsg+0xee/0x170 [ 745.126450][ T10] __sys_sendmsg+0xcd/0x170 [ 745.126450][ T10] do_syscall_64+0xc6/0x1e0 [ 745.126450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.126450][ T10] [ 745.128509][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 745.128509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.128509][ T10] ipv6_find_idev+0x102/0x170 [ 745.128509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.128509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.128509][ T10] netlink_rcv_skb+0x130/0x360 [ 745.128509][ T10] netlink_unicast+0x449/0x710 [ 745.128509][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.128509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.128509][ T10] ___sys_sendmsg+0xee/0x170 [ 745.128509][ T10] __sys_sendmsg+0xcd/0x170 [ 745.128509][ T10] do_syscall_64+0xc6/0x1e0 [ 745.128509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.128509][ T10] [ 745.130055][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 745.130055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.130055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.130055][ T10] ipv6_find_idev+0x102/0x170 [ 745.130055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.130055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.130055][ T10] netlink_rcv_skb+0x130/0x360 [ 745.130055][ T10] netlink_unicast+0x449/0x710 [ 745.130055][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.130055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.130055][ T10] ___sys_sendmsg+0xee/0x170 [ 745.130055][ T10] __sys_sendmsg+0xcd/0x170 [ 745.130055][ T10] do_syscall_64+0xc6/0x1e0 [ 745.130055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.130055][ T10] [ 745.131757][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 745.132052][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 745.132052][ T10] netdev_get_by_index+0x5e/0x80 [ 745.132052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.132052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.132052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.132052][ T10] ipv6_add_addr+0x411/0x2000 [ 745.132052][ T10] inet6_addr_add+0x30e/0xa40 [ 745.132052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.132052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.132052][ T10] netlink_rcv_skb+0x130/0x360 [ 745.132052][ T10] netlink_unicast+0x449/0x710 [ 745.132052][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.132052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.132052][ T10] ___sys_sendmsg+0xee/0x170 [ 745.132052][ T10] __sys_sendmsg+0xcd/0x170 [ 745.132052][ T10] do_syscall_64+0xc6/0x1e0 [ 745.132052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.132052][ T10] [ 745.134063][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 745.134063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.134063][ T10] ipv6_find_idev+0x102/0x170 [ 745.134063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.134063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.134063][ T10] netlink_rcv_skb+0x130/0x360 [ 745.134063][ T10] netlink_unicast+0x449/0x710 [ 745.134063][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.134063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.134063][ T10] ___sys_sendmsg+0xee/0x170 [ 745.134063][ T10] __sys_sendmsg+0xcd/0x170 [ 745.134063][ T10] do_syscall_64+0xc6/0x1e0 [ 745.134063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.134063][ T10] [ 745.135618][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 745.135618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.135618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.135618][ T10] ipv6_find_idev+0x102/0x170 [ 745.135618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.135618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.135618][ T10] netlink_rcv_skb+0x130/0x360 [ 745.135618][ T10] netlink_unicast+0x449/0x710 [ 745.135618][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.135618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.135618][ T10] ___sys_sendmsg+0xee/0x170 [ 745.135618][ T10] __sys_sendmsg+0xcd/0x170 [ 745.135618][ T10] do_syscall_64+0xc6/0x1e0 [ 745.135618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.135618][ T10] [ 745.137319][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 745.137587][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 745.137587][ T10] netdev_get_by_index+0x5e/0x80 [ 745.137587][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.137587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.137587][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.137587][ T10] ipv6_add_addr+0x411/0x2000 [ 745.137587][ T10] inet6_addr_add+0x30e/0xa40 [ 745.137587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.137587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.137587][ T10] netlink_rcv_skb+0x130/0x360 [ 745.137587][ T10] netlink_unicast+0x449/0x710 [ 745.137587][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.137587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.137587][ T10] ___sys_sendmsg+0xee/0x170 [ 745.137587][ T10] __sys_sendmsg+0xcd/0x170 [ 745.137587][ T10] do_syscall_64+0xc6/0x1e0 [ 745.137587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.137587][ T10] [ 745.139600][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 745.139600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.139600][ T10] ipv6_find_idev+0x102/0x170 [ 745.139600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.139600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.139600][ T10] netlink_rcv_skb+0x130/0x360 [ 745.139600][ T10] netlink_unicast+0x449/0x710 [ 745.139600][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.139600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.139600][ T10] ___sys_sendmsg+0xee/0x170 [ 745.139600][ T10] __sys_sendmsg+0xcd/0x170 [ 745.139600][ T10] do_syscall_64+0xc6/0x1e0 [ 745.139600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.139600][ T10] [ 745.141152][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 745.141152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.141152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.141152][ T10] ipv6_find_idev+0x102/0x170 [ 745.141152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.141152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.141152][ T10] netlink_rcv_skb+0x130/0x360 [ 745.141152][ T10] netlink_unicast+0x449/0x710 [ 745.141152][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.141152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.141152][ T10] ___sys_sendmsg+0xee/0x170 [ 745.141152][ T10] __sys_sendmsg+0xcd/0x170 [ 745.141152][ T10] do_syscall_64+0xc6/0x1e0 [ 745.141152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.141152][ T10] [ 745.142841][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 745.143108][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 745.143108][ T10] netdev_get_by_index+0x5e/0x80 [ 745.143108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.143108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.143108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.143108][ T10] ipv6_add_addr+0x411/0x2000 [ 745.143108][ T10] inet6_addr_add+0x30e/0xa40 [ 745.143108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.143108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.143108][ T10] netlink_rcv_skb+0x130/0x360 [ 745.143108][ T10] netlink_unicast+0x449/0x710 [ 745.143108][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.143108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.143108][ T10] ___sys_sendmsg+0xee/0x170 [ 745.143108][ T10] __sys_sendmsg+0xcd/0x170 [ 745.143108][ T10] do_syscall_64+0xc6/0x1e0 [ 745.143108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.143108][ T10] [ 745.145162][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 745.145162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.145162][ T10] ipv6_find_idev+0x102/0x170 [ 745.145162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.145162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.145162][ T10] netlink_rcv_skb+0x130/0x360 [ 745.145162][ T10] netlink_unicast+0x449/0x710 [ 745.145162][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.145162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.145162][ T10] ___sys_sendmsg+0xee/0x170 [ 745.145162][ T10] __sys_sendmsg+0xcd/0x170 [ 745.145162][ T10] do_syscall_64+0xc6/0x1e0 [ 745.145162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.145162][ T10] [ 745.146720][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 745.146720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.146720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.146720][ T10] ipv6_find_idev+0x102/0x170 [ 745.146720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.146720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.146720][ T10] netlink_rcv_skb+0x130/0x360 [ 745.146720][ T10] netlink_unicast+0x449/0x710 [ 745.146720][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.146720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.146720][ T10] ___sys_sendmsg+0xee/0x170 [ 745.146720][ T10] __sys_sendmsg+0xcd/0x170 [ 745.146720][ T10] do_syscall_64+0xc6/0x1e0 [ 745.146720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.146720][ T10] [ 745.148855][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 745.149120][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 745.149120][ T10] netdev_get_by_index+0x5e/0x80 [ 745.149120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.149120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.149120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.149120][ T10] ipv6_add_addr+0x411/0x2000 [ 745.149120][ T10] inet6_addr_add+0x30e/0xa40 [ 745.149120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.149120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.149120][ T10] netlink_rcv_skb+0x130/0x360 [ 745.149120][ T10] netlink_unicast+0x449/0x710 [ 745.149120][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.149120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.149120][ T10] ___sys_sendmsg+0xee/0x170 [ 745.149120][ T10] __sys_sendmsg+0xcd/0x170 [ 745.149120][ T10] do_syscall_64+0xc6/0x1e0 [ 745.149120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.149120][ T10] [ 745.151127][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 745.151127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.151127][ T10] ipv6_find_idev+0x102/0x170 [ 745.151127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.151127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.151127][ T10] netlink_rcv_skb+0x130/0x360 [ 745.151127][ T10] netlink_unicast+0x449/0x710 [ 745.151127][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.151127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.151127][ T10] ___sys_sendmsg+0xee/0x170 [ 745.151127][ T10] __sys_sendmsg+0xcd/0x170 [ 745.151127][ T10] do_syscall_64+0xc6/0x1e0 [ 745.151127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.151127][ T10] [ 745.152666][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 745.152666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.152666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.152666][ T10] ipv6_find_idev+0x102/0x170 [ 745.152666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.152666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.152666][ T10] netlink_rcv_skb+0x130/0x360 [ 745.152666][ T10] netlink_unicast+0x449/0x710 [ 745.152666][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.152666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.152666][ T10] ___sys_sendmsg+0xee/0x170 [ 745.152666][ T10] __sys_sendmsg+0xcd/0x170 [ 745.152666][ T10] do_syscall_64+0xc6/0x1e0 [ 745.152666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.152666][ T10] [ 745.154418][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 745.154683][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 745.154683][ T10] netdev_get_by_index+0x5e/0x80 [ 745.154683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.154683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.154683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.154683][ T10] ipv6_add_addr+0x411/0x2000 [ 745.154683][ T10] inet6_addr_add+0x30e/0xa40 [ 745.154683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.154683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.154683][ T10] netlink_rcv_skb+0x130/0x360 [ 745.154683][ T10] netlink_unicast+0x449/0x710 [ 745.154683][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.154683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.154683][ T10] ___sys_sendmsg+0xee/0x170 [ 745.154683][ T10] __sys_sendmsg+0xcd/0x170 [ 745.154683][ T10] do_syscall_64+0xc6/0x1e0 [ 745.154683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.154683][ T10] [ 745.156845][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 745.156845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.156845][ T10] ipv6_find_idev+0x102/0x170 [ 745.156845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.156845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.156845][ T10] netlink_rcv_skb+0x130/0x360 [ 745.156845][ T10] netlink_unicast+0x449/0x710 [ 745.156845][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.156845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.156845][ T10] ___sys_sendmsg+0xee/0x170 [ 745.156845][ T10] __sys_sendmsg+0xcd/0x170 [ 745.156845][ T10] do_syscall_64+0xc6/0x1e0 [ 745.156845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.156845][ T10] [ 745.158639][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 745.158639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.158639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.158639][ T10] ipv6_find_idev+0x102/0x170 [ 745.158639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.158639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.158639][ T10] netlink_rcv_skb+0x130/0x360 [ 745.158639][ T10] netlink_unicast+0x449/0x710 [ 745.158639][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.158639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.158639][ T10] ___sys_sendmsg+0xee/0x170 [ 745.158639][ T10] __sys_sendmsg+0xcd/0x170 [ 745.158639][ T10] do_syscall_64+0xc6/0x1e0 [ 745.158639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.158639][ T10] [ 745.160543][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 745.160818][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 745.160818][ T10] netdev_get_by_index+0x5e/0x80 [ 745.160818][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.160818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.160818][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.160818][ T10] ipv6_add_addr+0x411/0x2000 [ 745.160818][ T10] inet6_addr_add+0x30e/0xa40 [ 745.160818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.160818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.160818][ T10] netlink_rcv_skb+0x130/0x360 [ 745.160818][ T10] netlink_unicast+0x449/0x710 [ 745.160818][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.160818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.160818][ T10] ___sys_sendmsg+0xee/0x170 [ 745.160818][ T10] __sys_sendmsg+0xcd/0x170 [ 745.160818][ T10] do_syscall_64+0xc6/0x1e0 [ 745.160818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.160818][ T10] [ 745.163068][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 745.163068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.163068][ T10] ipv6_find_idev+0x102/0x170 [ 745.163068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.163068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.163068][ T10] netlink_rcv_skb+0x130/0x360 [ 745.163068][ T10] netlink_unicast+0x449/0x710 [ 745.163068][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.163068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.163068][ T10] ___sys_sendmsg+0xee/0x170 [ 745.163068][ T10] __sys_sendmsg+0xcd/0x170 [ 745.163068][ T10] do_syscall_64+0xc6/0x1e0 [ 745.163068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.163068][ T10] [ 745.164793][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 745.164793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.164793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.164793][ T10] ipv6_find_idev+0x102/0x170 [ 745.164793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.164793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.164793][ T10] netlink_rcv_skb+0x130/0x360 [ 745.164793][ T10] netlink_unicast+0x449/0x710 [ 745.164793][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.164793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.164793][ T10] ___sys_sendmsg+0xee/0x170 [ 745.164793][ T10] __sys_sendmsg+0xcd/0x170 [ 745.164793][ T10] do_syscall_64+0xc6/0x1e0 [ 745.164793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.164793][ T10] [ 745.166699][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 745.167019][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 745.167019][ T10] netdev_get_by_index+0x5e/0x80 [ 745.167019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.167019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.167019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.167019][ T10] ipv6_add_addr+0x411/0x2000 [ 745.167019][ T10] inet6_addr_add+0x30e/0xa40 [ 745.167019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.167019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.167019][ T10] netlink_rcv_skb+0x130/0x360 [ 745.167019][ T10] netlink_unicast+0x449/0x710 [ 745.167019][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.167019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.167019][ T10] ___sys_sendmsg+0xee/0x170 [ 745.167019][ T10] __sys_sendmsg+0xcd/0x170 [ 745.167019][ T10] do_syscall_64+0xc6/0x1e0 [ 745.167019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.167019][ T10] [ 745.169270][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 745.169270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.169270][ T10] ipv6_find_idev+0x102/0x170 [ 745.169270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.169270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.169270][ T10] netlink_rcv_skb+0x130/0x360 [ 745.169270][ T10] netlink_unicast+0x449/0x710 [ 745.169270][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.169270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.169270][ T10] ___sys_sendmsg+0xee/0x170 [ 745.169270][ T10] __sys_sendmsg+0xcd/0x170 [ 745.169270][ T10] do_syscall_64+0xc6/0x1e0 [ 745.169270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.169270][ T10] [ 745.170991][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 745.170991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.170991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.170991][ T10] ipv6_find_idev+0x102/0x170 [ 745.170991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.170991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.170991][ T10] netlink_rcv_skb+0x130/0x360 [ 745.170991][ T10] netlink_unicast+0x449/0x710 [ 745.170991][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.170991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.170991][ T10] ___sys_sendmsg+0xee/0x170 [ 745.170991][ T10] __sys_sendmsg+0xcd/0x170 [ 745.170991][ T10] do_syscall_64+0xc6/0x1e0 [ 745.170991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.170991][ T10] [ 755.413906][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 755.414394][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 755.414394][ T10] netdev_get_by_index+0x5e/0x80 [ 755.414394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.414394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.414394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.414394][ T10] ipv6_add_addr+0x411/0x2000 [ 755.414394][ T10] inet6_addr_add+0x30e/0xa40 [ 755.414394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.414394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.414394][ T10] netlink_rcv_skb+0x130/0x360 [ 755.414394][ T10] netlink_unicast+0x449/0x710 [ 755.414394][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.414394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.414394][ T10] ___sys_sendmsg+0xee/0x170 [ 755.414394][ T10] __sys_sendmsg+0xcd/0x170 [ 755.414394][ T10] do_syscall_64+0xc6/0x1e0 [ 755.414394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.414394][ T10] [ 755.416430][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 755.416430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.416430][ T10] ipv6_find_idev+0x102/0x170 [ 755.416430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.416430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.416430][ T10] netlink_rcv_skb+0x130/0x360 [ 755.416430][ T10] netlink_unicast+0x449/0x710 [ 755.416430][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.416430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.416430][ T10] ___sys_sendmsg+0xee/0x170 [ 755.416430][ T10] __sys_sendmsg+0xcd/0x170 [ 755.416430][ T10] do_syscall_64+0xc6/0x1e0 [ 755.416430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.416430][ T10] [ 755.417977][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 755.417977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.417977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.417977][ T10] ipv6_find_idev+0x102/0x170 [ 755.417977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.417977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.417977][ T10] netlink_rcv_skb+0x130/0x360 [ 755.417977][ T10] netlink_unicast+0x449/0x710 [ 755.417977][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.417977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.417977][ T10] ___sys_sendmsg+0xee/0x170 [ 755.417977][ T10] __sys_sendmsg+0xcd/0x170 [ 755.417977][ T10] do_syscall_64+0xc6/0x1e0 [ 755.417977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.417977][ T10] [ 755.419692][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 755.419989][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 755.419989][ T10] netdev_get_by_index+0x5e/0x80 [ 755.419989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.419989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.419989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.419989][ T10] ipv6_add_addr+0x411/0x2000 [ 755.419989][ T10] inet6_addr_add+0x30e/0xa40 [ 755.419989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.419989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.419989][ T10] netlink_rcv_skb+0x130/0x360 [ 755.419989][ T10] netlink_unicast+0x449/0x710 [ 755.419989][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.419989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.419989][ T10] ___sys_sendmsg+0xee/0x170 [ 755.419989][ T10] __sys_sendmsg+0xcd/0x170 [ 755.419989][ T10] do_syscall_64+0xc6/0x1e0 [ 755.419989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.419989][ T10] [ 755.421994][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 755.421994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.421994][ T10] ipv6_find_idev+0x102/0x170 [ 755.421994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.421994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.421994][ T10] netlink_rcv_skb+0x130/0x360 [ 755.421994][ T10] netlink_unicast+0x449/0x710 [ 755.421994][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.421994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.421994][ T10] ___sys_sendmsg+0xee/0x170 [ 755.421994][ T10] __sys_sendmsg+0xcd/0x170 [ 755.421994][ T10] do_syscall_64+0xc6/0x1e0 [ 755.421994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.421994][ T10] [ 755.423542][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 755.423542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.423542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.423542][ T10] ipv6_find_idev+0x102/0x170 [ 755.423542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.423542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.423542][ T10] netlink_rcv_skb+0x130/0x360 [ 755.423542][ T10] netlink_unicast+0x449/0x710 [ 755.423542][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.423542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.423542][ T10] ___sys_sendmsg+0xee/0x170 [ 755.423542][ T10] __sys_sendmsg+0xcd/0x170 [ 755.423542][ T10] do_syscall_64+0xc6/0x1e0 [ 755.423542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.423542][ T10] [ 755.425240][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 755.425517][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 755.425517][ T10] netdev_get_by_index+0x5e/0x80 [ 755.425517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.425517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.425517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.425517][ T10] ipv6_add_addr+0x411/0x2000 [ 755.425517][ T10] inet6_addr_add+0x30e/0xa40 [ 755.425517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.425517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.425517][ T10] netlink_rcv_skb+0x130/0x360 [ 755.425517][ T10] netlink_unicast+0x449/0x710 [ 755.425517][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.425517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.425517][ T10] ___sys_sendmsg+0xee/0x170 [ 755.425517][ T10] __sys_sendmsg+0xcd/0x170 [ 755.425517][ T10] do_syscall_64+0xc6/0x1e0 [ 755.425517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.425517][ T10] [ 755.427538][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 755.427538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.427538][ T10] ipv6_find_idev+0x102/0x170 [ 755.427538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.427538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.427538][ T10] netlink_rcv_skb+0x130/0x360 [ 755.427538][ T10] netlink_unicast+0x449/0x710 [ 755.427538][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.427538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.427538][ T10] ___sys_sendmsg+0xee/0x170 [ 755.427538][ T10] __sys_sendmsg+0xcd/0x170 [ 755.427538][ T10] do_syscall_64+0xc6/0x1e0 [ 755.427538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.427538][ T10] [ 755.429100][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 755.429100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.429100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.429100][ T10] ipv6_find_idev+0x102/0x170 [ 755.429100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.429100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.429100][ T10] netlink_rcv_skb+0x130/0x360 [ 755.429100][ T10] netlink_unicast+0x449/0x710 [ 755.429100][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.429100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.429100][ T10] ___sys_sendmsg+0xee/0x170 [ 755.429100][ T10] __sys_sendmsg+0xcd/0x170 [ 755.429100][ T10] do_syscall_64+0xc6/0x1e0 [ 755.429100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.429100][ T10] [ 755.430807][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 755.431073][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 755.431073][ T10] netdev_get_by_index+0x5e/0x80 [ 755.431073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.431073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.431073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.431073][ T10] ipv6_add_addr+0x411/0x2000 [ 755.431073][ T10] inet6_addr_add+0x30e/0xa40 [ 755.431073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.431073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.431073][ T10] netlink_rcv_skb+0x130/0x360 [ 755.431073][ T10] netlink_unicast+0x449/0x710 [ 755.431073][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.431073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.431073][ T10] ___sys_sendmsg+0xee/0x170 [ 755.431073][ T10] __sys_sendmsg+0xcd/0x170 [ 755.431073][ T10] do_syscall_64+0xc6/0x1e0 [ 755.431073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.431073][ T10] [ 755.433080][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 755.433080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.433080][ T10] ipv6_find_idev+0x102/0x170 [ 755.433080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.433080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.433080][ T10] netlink_rcv_skb+0x130/0x360 [ 755.433080][ T10] netlink_unicast+0x449/0x710 [ 755.433080][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.433080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.433080][ T10] ___sys_sendmsg+0xee/0x170 [ 755.433080][ T10] __sys_sendmsg+0xcd/0x170 [ 755.433080][ T10] do_syscall_64+0xc6/0x1e0 [ 755.433080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.433080][ T10] [ 755.434631][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 755.434631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.434631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.434631][ T10] ipv6_find_idev+0x102/0x170 [ 755.434631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.434631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.434631][ T10] netlink_rcv_skb+0x130/0x360 [ 755.434631][ T10] netlink_unicast+0x449/0x710 [ 755.434631][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.434631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.434631][ T10] ___sys_sendmsg+0xee/0x170 [ 755.434631][ T10] __sys_sendmsg+0xcd/0x170 [ 755.434631][ T10] do_syscall_64+0xc6/0x1e0 [ 755.434631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.434631][ T10] [ 755.436728][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 755.437334][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 755.437334][ T10] netdev_get_by_index+0x5e/0x80 [ 755.437334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.437334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.437334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.437334][ T10] ipv6_add_addr+0x411/0x2000 [ 755.437334][ T10] inet6_addr_add+0x30e/0xa40 [ 755.437334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.437334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.437334][ T10] netlink_rcv_skb+0x130/0x360 [ 755.437334][ T10] netlink_unicast+0x449/0x710 [ 755.437334][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.437334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.437334][ T10] ___sys_sendmsg+0xee/0x170 [ 755.437334][ T10] __sys_sendmsg+0xcd/0x170 [ 755.437334][ T10] do_syscall_64+0xc6/0x1e0 [ 755.437334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.437334][ T10] [ 755.439377][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 755.439377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.439377][ T10] ipv6_find_idev+0x102/0x170 [ 755.439377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.439377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.439377][ T10] netlink_rcv_skb+0x130/0x360 [ 755.439377][ T10] netlink_unicast+0x449/0x710 [ 755.439377][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.439377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.439377][ T10] ___sys_sendmsg+0xee/0x170 [ 755.439377][ T10] __sys_sendmsg+0xcd/0x170 [ 755.439377][ T10] do_syscall_64+0xc6/0x1e0 [ 755.439377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.439377][ T10] [ 755.440920][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 755.440920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.440920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.440920][ T10] ipv6_find_idev+0x102/0x170 [ 755.440920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.440920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.440920][ T10] netlink_rcv_skb+0x130/0x360 [ 755.440920][ T10] netlink_unicast+0x449/0x710 [ 755.440920][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.440920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.440920][ T10] ___sys_sendmsg+0xee/0x170 [ 755.440920][ T10] __sys_sendmsg+0xcd/0x170 [ 755.440920][ T10] do_syscall_64+0xc6/0x1e0 [ 755.440920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.440920][ T10] [ 755.442605][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 755.442931][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 755.442931][ T10] netdev_get_by_index+0x5e/0x80 [ 755.442931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.442931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.442931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.442931][ T10] ipv6_add_addr+0x411/0x2000 [ 755.442931][ T10] inet6_addr_add+0x30e/0xa40 [ 755.442931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.442931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.442931][ T10] netlink_rcv_skb+0x130/0x360 [ 755.442931][ T10] netlink_unicast+0x449/0x710 [ 755.442931][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.442931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.442931][ T10] ___sys_sendmsg+0xee/0x170 [ 755.442931][ T10] __sys_sendmsg+0xcd/0x170 [ 755.442931][ T10] do_syscall_64+0xc6/0x1e0 [ 755.442931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.442931][ T10] [ 755.444944][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 755.444944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.444944][ T10] ipv6_find_idev+0x102/0x170 [ 755.444944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.444944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.444944][ T10] netlink_rcv_skb+0x130/0x360 [ 755.444944][ T10] netlink_unicast+0x449/0x710 [ 755.444944][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.444944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.444944][ T10] ___sys_sendmsg+0xee/0x170 [ 755.444944][ T10] __sys_sendmsg+0xcd/0x170 [ 755.444944][ T10] do_syscall_64+0xc6/0x1e0 [ 755.444944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.444944][ T10] [ 755.446598][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 755.446598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.446598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.446598][ T10] ipv6_find_idev+0x102/0x170 [ 755.446598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.446598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.446598][ T10] netlink_rcv_skb+0x130/0x360 [ 755.446598][ T10] netlink_unicast+0x449/0x710 [ 755.446598][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.446598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.446598][ T10] ___sys_sendmsg+0xee/0x170 [ 755.446598][ T10] __sys_sendmsg+0xcd/0x170 [ 755.446598][ T10] do_syscall_64+0xc6/0x1e0 [ 755.446598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.446598][ T10] [ 755.448597][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 755.448915][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 755.448915][ T10] netdev_get_by_index+0x5e/0x80 [ 755.448915][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.448915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.448915][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.448915][ T10] ipv6_add_addr+0x411/0x2000 [ 755.448915][ T10] inet6_addr_add+0x30e/0xa40 [ 755.448915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.448915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.448915][ T10] netlink_rcv_skb+0x130/0x360 [ 755.448915][ T10] netlink_unicast+0x449/0x710 [ 755.448915][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.448915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.448915][ T10] ___sys_sendmsg+0xee/0x170 [ 755.448915][ T10] __sys_sendmsg+0xcd/0x170 [ 755.448915][ T10] do_syscall_64+0xc6/0x1e0 [ 755.448915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.448915][ T10] [ 755.451054][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 755.451054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.451054][ T10] ipv6_find_idev+0x102/0x170 [ 755.451054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.451054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.451054][ T10] netlink_rcv_skb+0x130/0x360 [ 755.451054][ T10] netlink_unicast+0x449/0x710 [ 755.451054][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.451054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.451054][ T10] ___sys_sendmsg+0xee/0x170 [ 755.451054][ T10] __sys_sendmsg+0xcd/0x170 [ 755.451054][ T10] do_syscall_64+0xc6/0x1e0 [ 755.451054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.451054][ T10] [ 755.452779][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 755.452779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.452779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.452779][ T10] ipv6_find_idev+0x102/0x170 [ 755.452779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.452779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.452779][ T10] netlink_rcv_skb+0x130/0x360 [ 755.452779][ T10] netlink_unicast+0x449/0x710 [ 755.452779][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.452779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.452779][ T10] ___sys_sendmsg+0xee/0x170 [ 755.452779][ T10] __sys_sendmsg+0xcd/0x170 [ 755.452779][ T10] do_syscall_64+0xc6/0x1e0 [ 755.452779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.452779][ T10] [ 755.454750][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 755.455082][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 755.455082][ T10] netdev_get_by_index+0x5e/0x80 [ 755.455082][ T10] fib6_nh_init+0x3d8/0x15b0 [ 755.455082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 755.455082][ T10] addrconf_f6i_alloc+0x244/0x410 [ 755.455082][ T10] ipv6_add_addr+0x411/0x2000 [ 755.455082][ T10] inet6_addr_add+0x30e/0xa40 [ 755.455082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 755.455082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.455082][ T10] netlink_rcv_skb+0x130/0x360 [ 755.455082][ T10] netlink_unicast+0x449/0x710 [ 755.455082][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.455082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.455082][ T10] ___sys_sendmsg+0xee/0x170 [ 755.455082][ T10] __sys_sendmsg+0xcd/0x170 [ 755.455082][ T10] do_syscall_64+0xc6/0x1e0 [ 755.455082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.455082][ T10] [ 755.457651][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 755.457651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 755.457651][ T10] ipv6_find_idev+0x102/0x170 [ 755.457651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.457651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.457651][ T10] netlink_rcv_skb+0x130/0x360 [ 755.457651][ T10] netlink_unicast+0x449/0x710 [ 755.457651][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.457651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.457651][ T10] ___sys_sendmsg+0xee/0x170 [ 755.457651][ T10] __sys_sendmsg+0xcd/0x170 [ 755.457651][ T10] do_syscall_64+0xc6/0x1e0 [ 755.457651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.457651][ T10] [ 755.459446][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 755.459446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 755.459446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 755.459446][ T10] ipv6_find_idev+0x102/0x170 [ 755.459446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 755.459446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 755.459446][ T10] netlink_rcv_skb+0x130/0x360 [ 755.459446][ T10] netlink_unicast+0x449/0x710 [ 755.459446][ T10] netlink_sendmsg+0x723/0xbe0 [ 755.459446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 755.459446][ T10] ___sys_sendmsg+0xee/0x170 [ 755.459446][ T10] __sys_sendmsg+0xcd/0x170 [ 755.459446][ T10] do_syscall_64+0xc6/0x1e0 [ 755.459446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 755.459446][ T10] [ 765.605964][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 765.606467][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 765.606467][ T10] netdev_get_by_index+0x5e/0x80 [ 765.606467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.606467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.606467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.606467][ T10] ipv6_add_addr+0x411/0x2000 [ 765.606467][ T10] inet6_addr_add+0x30e/0xa40 [ 765.606467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.606467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.606467][ T10] netlink_rcv_skb+0x130/0x360 [ 765.606467][ T10] netlink_unicast+0x449/0x710 [ 765.606467][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.606467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.606467][ T10] ___sys_sendmsg+0xee/0x170 [ 765.606467][ T10] __sys_sendmsg+0xcd/0x170 [ 765.606467][ T10] do_syscall_64+0xc6/0x1e0 [ 765.606467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.606467][ T10] [ 765.608505][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 765.608505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.608505][ T10] ipv6_find_idev+0x102/0x170 [ 765.608505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.608505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.608505][ T10] netlink_rcv_skb+0x130/0x360 [ 765.608505][ T10] netlink_unicast+0x449/0x710 [ 765.608505][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.608505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.608505][ T10] ___sys_sendmsg+0xee/0x170 [ 765.608505][ T10] __sys_sendmsg+0xcd/0x170 [ 765.608505][ T10] do_syscall_64+0xc6/0x1e0 [ 765.608505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.608505][ T10] [ 765.610061][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 765.610061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.610061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.610061][ T10] ipv6_find_idev+0x102/0x170 [ 765.610061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.610061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.610061][ T10] netlink_rcv_skb+0x130/0x360 [ 765.610061][ T10] netlink_unicast+0x449/0x710 [ 765.610061][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.610061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.610061][ T10] ___sys_sendmsg+0xee/0x170 [ 765.610061][ T10] __sys_sendmsg+0xcd/0x170 [ 765.610061][ T10] do_syscall_64+0xc6/0x1e0 [ 765.610061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.610061][ T10] [ 765.611764][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 765.612076][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 765.612076][ T10] netdev_get_by_index+0x5e/0x80 [ 765.612076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.612076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.612076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.612076][ T10] ipv6_add_addr+0x411/0x2000 [ 765.612076][ T10] inet6_addr_add+0x30e/0xa40 [ 765.612076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.612076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.612076][ T10] netlink_rcv_skb+0x130/0x360 [ 765.612076][ T10] netlink_unicast+0x449/0x710 [ 765.612076][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.612076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.612076][ T10] ___sys_sendmsg+0xee/0x170 [ 765.612076][ T10] __sys_sendmsg+0xcd/0x170 [ 765.612076][ T10] do_syscall_64+0xc6/0x1e0 [ 765.612076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.612076][ T10] [ 765.614078][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 765.614078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.614078][ T10] ipv6_find_idev+0x102/0x170 [ 765.614078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.614078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.614078][ T10] netlink_rcv_skb+0x130/0x360 [ 765.614078][ T10] netlink_unicast+0x449/0x710 [ 765.614078][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.614078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.614078][ T10] ___sys_sendmsg+0xee/0x170 [ 765.614078][ T10] __sys_sendmsg+0xcd/0x170 [ 765.614078][ T10] do_syscall_64+0xc6/0x1e0 [ 765.614078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.614078][ T10] [ 765.615620][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 765.615620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.615620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.615620][ T10] ipv6_find_idev+0x102/0x170 [ 765.615620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.615620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.615620][ T10] netlink_rcv_skb+0x130/0x360 [ 765.615620][ T10] netlink_unicast+0x449/0x710 [ 765.615620][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.615620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.615620][ T10] ___sys_sendmsg+0xee/0x170 [ 765.615620][ T10] __sys_sendmsg+0xcd/0x170 [ 765.615620][ T10] do_syscall_64+0xc6/0x1e0 [ 765.615620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.615620][ T10] [ 765.617303][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 765.617570][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 765.617570][ T10] netdev_get_by_index+0x5e/0x80 [ 765.617570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.617570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.617570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.617570][ T10] ipv6_add_addr+0x411/0x2000 [ 765.617570][ T10] inet6_addr_add+0x30e/0xa40 [ 765.617570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.617570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.617570][ T10] netlink_rcv_skb+0x130/0x360 [ 765.617570][ T10] netlink_unicast+0x449/0x710 [ 765.617570][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.617570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.617570][ T10] ___sys_sendmsg+0xee/0x170 [ 765.617570][ T10] __sys_sendmsg+0xcd/0x170 [ 765.617570][ T10] do_syscall_64+0xc6/0x1e0 [ 765.617570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.617570][ T10] [ 765.619583][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 765.619583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.619583][ T10] ipv6_find_idev+0x102/0x170 [ 765.619583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.619583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.619583][ T10] netlink_rcv_skb+0x130/0x360 [ 765.619583][ T10] netlink_unicast+0x449/0x710 [ 765.619583][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.619583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.619583][ T10] ___sys_sendmsg+0xee/0x170 [ 765.619583][ T10] __sys_sendmsg+0xcd/0x170 [ 765.619583][ T10] do_syscall_64+0xc6/0x1e0 [ 765.619583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.619583][ T10] [ 765.621126][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 765.621126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.621126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.621126][ T10] ipv6_find_idev+0x102/0x170 [ 765.621126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.621126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.621126][ T10] netlink_rcv_skb+0x130/0x360 [ 765.621126][ T10] netlink_unicast+0x449/0x710 [ 765.621126][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.621126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.621126][ T10] ___sys_sendmsg+0xee/0x170 [ 765.621126][ T10] __sys_sendmsg+0xcd/0x170 [ 765.621126][ T10] do_syscall_64+0xc6/0x1e0 [ 765.621126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.621126][ T10] [ 765.622818][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 765.623097][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 765.623097][ T10] netdev_get_by_index+0x5e/0x80 [ 765.623097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.623097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.623097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.623097][ T10] ipv6_add_addr+0x411/0x2000 [ 765.623097][ T10] inet6_addr_add+0x30e/0xa40 [ 765.623097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.623097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.623097][ T10] netlink_rcv_skb+0x130/0x360 [ 765.623097][ T10] netlink_unicast+0x449/0x710 [ 765.623097][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.623097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.623097][ T10] ___sys_sendmsg+0xee/0x170 [ 765.623097][ T10] __sys_sendmsg+0xcd/0x170 [ 765.623097][ T10] do_syscall_64+0xc6/0x1e0 [ 765.623097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.623097][ T10] [ 765.625241][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 765.625241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.625241][ T10] ipv6_find_idev+0x102/0x170 [ 765.625241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.625241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.625241][ T10] netlink_rcv_skb+0x130/0x360 [ 765.625241][ T10] netlink_unicast+0x449/0x710 [ 765.625241][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.625241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.625241][ T10] ___sys_sendmsg+0xee/0x170 [ 765.625241][ T10] __sys_sendmsg+0xcd/0x170 [ 765.625241][ T10] do_syscall_64+0xc6/0x1e0 [ 765.625241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.625241][ T10] [ 765.626787][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 765.626787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.626787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.626787][ T10] ipv6_find_idev+0x102/0x170 [ 765.626787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.626787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.626787][ T10] netlink_rcv_skb+0x130/0x360 [ 765.626787][ T10] netlink_unicast+0x449/0x710 [ 765.626787][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.626787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.626787][ T10] ___sys_sendmsg+0xee/0x170 [ 765.626787][ T10] __sys_sendmsg+0xcd/0x170 [ 765.626787][ T10] do_syscall_64+0xc6/0x1e0 [ 765.626787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.626787][ T10] [ 765.628945][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 765.629229][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 765.629229][ T10] netdev_get_by_index+0x5e/0x80 [ 765.629229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.629229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.629229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.629229][ T10] ipv6_add_addr+0x411/0x2000 [ 765.629229][ T10] inet6_addr_add+0x30e/0xa40 [ 765.629229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.629229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.629229][ T10] netlink_rcv_skb+0x130/0x360 [ 765.629229][ T10] netlink_unicast+0x449/0x710 [ 765.629229][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.629229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.629229][ T10] ___sys_sendmsg+0xee/0x170 [ 765.629229][ T10] __sys_sendmsg+0xcd/0x170 [ 765.629229][ T10] do_syscall_64+0xc6/0x1e0 [ 765.629229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.629229][ T10] [ 765.631229][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 765.631229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.631229][ T10] ipv6_find_idev+0x102/0x170 [ 765.631229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.631229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.631229][ T10] netlink_rcv_skb+0x130/0x360 [ 765.631229][ T10] netlink_unicast+0x449/0x710 [ 765.631229][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.631229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.631229][ T10] ___sys_sendmsg+0xee/0x170 [ 765.631229][ T10] __sys_sendmsg+0xcd/0x170 [ 765.631229][ T10] do_syscall_64+0xc6/0x1e0 [ 765.631229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.631229][ T10] [ 765.632775][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 765.632775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.632775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.632775][ T10] ipv6_find_idev+0x102/0x170 [ 765.632775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.632775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.632775][ T10] netlink_rcv_skb+0x130/0x360 [ 765.632775][ T10] netlink_unicast+0x449/0x710 [ 765.632775][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.632775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.632775][ T10] ___sys_sendmsg+0xee/0x170 [ 765.632775][ T10] __sys_sendmsg+0xcd/0x170 [ 765.632775][ T10] do_syscall_64+0xc6/0x1e0 [ 765.632775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.632775][ T10] [ 765.634933][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 765.635200][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 765.635200][ T10] netdev_get_by_index+0x5e/0x80 [ 765.635200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.635200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.635200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.635200][ T10] ipv6_add_addr+0x411/0x2000 [ 765.635200][ T10] inet6_addr_add+0x30e/0xa40 [ 765.635200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.635200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.635200][ T10] netlink_rcv_skb+0x130/0x360 [ 765.635200][ T10] netlink_unicast+0x449/0x710 [ 765.635200][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.635200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.635200][ T10] ___sys_sendmsg+0xee/0x170 [ 765.635200][ T10] __sys_sendmsg+0xcd/0x170 [ 765.635200][ T10] do_syscall_64+0xc6/0x1e0 [ 765.635200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.635200][ T10] [ 765.637333][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 765.637333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.637333][ T10] ipv6_find_idev+0x102/0x170 [ 765.637333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.637333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.637333][ T10] netlink_rcv_skb+0x130/0x360 [ 765.637333][ T10] netlink_unicast+0x449/0x710 [ 765.637333][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.637333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.637333][ T10] ___sys_sendmsg+0xee/0x170 [ 765.637333][ T10] __sys_sendmsg+0xcd/0x170 [ 765.637333][ T10] do_syscall_64+0xc6/0x1e0 [ 765.637333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.637333][ T10] [ 765.639123][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 765.639123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.639123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.639123][ T10] ipv6_find_idev+0x102/0x170 [ 765.639123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.639123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.639123][ T10] netlink_rcv_skb+0x130/0x360 [ 765.639123][ T10] netlink_unicast+0x449/0x710 [ 765.639123][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.639123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.639123][ T10] ___sys_sendmsg+0xee/0x170 [ 765.639123][ T10] __sys_sendmsg+0xcd/0x170 [ 765.639123][ T10] do_syscall_64+0xc6/0x1e0 [ 765.639123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.639123][ T10] [ 765.641039][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 765.641302][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 765.641302][ T10] netdev_get_by_index+0x5e/0x80 [ 765.641302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.641302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.641302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.641302][ T10] ipv6_add_addr+0x411/0x2000 [ 765.641302][ T10] inet6_addr_add+0x30e/0xa40 [ 765.641302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.641302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.641302][ T10] netlink_rcv_skb+0x130/0x360 [ 765.641302][ T10] netlink_unicast+0x449/0x710 [ 765.641302][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.641302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.641302][ T10] ___sys_sendmsg+0xee/0x170 [ 765.641302][ T10] __sys_sendmsg+0xcd/0x170 [ 765.641302][ T10] do_syscall_64+0xc6/0x1e0 [ 765.641302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.641302][ T10] [ 765.643490][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 765.643490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.643490][ T10] ipv6_find_idev+0x102/0x170 [ 765.643490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.643490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.643490][ T10] netlink_rcv_skb+0x130/0x360 [ 765.643490][ T10] netlink_unicast+0x449/0x710 [ 765.643490][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.643490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.643490][ T10] ___sys_sendmsg+0xee/0x170 [ 765.643490][ T10] __sys_sendmsg+0xcd/0x170 [ 765.643490][ T10] do_syscall_64+0xc6/0x1e0 [ 765.643490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.643490][ T10] [ 765.645213][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 765.645213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.645213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.645213][ T10] ipv6_find_idev+0x102/0x170 [ 765.645213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.645213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.645213][ T10] netlink_rcv_skb+0x130/0x360 [ 765.645213][ T10] netlink_unicast+0x449/0x710 [ 765.645213][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.645213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.645213][ T10] ___sys_sendmsg+0xee/0x170 [ 765.645213][ T10] __sys_sendmsg+0xcd/0x170 [ 765.645213][ T10] do_syscall_64+0xc6/0x1e0 [ 765.645213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.645213][ T10] [ 765.647115][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 765.647377][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 765.647377][ T10] netdev_get_by_index+0x5e/0x80 [ 765.647377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 765.647377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 765.647377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 765.647377][ T10] ipv6_add_addr+0x411/0x2000 [ 765.647377][ T10] inet6_addr_add+0x30e/0xa40 [ 765.647377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 765.647377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.647377][ T10] netlink_rcv_skb+0x130/0x360 [ 765.647377][ T10] netlink_unicast+0x449/0x710 [ 765.647377][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.647377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.647377][ T10] ___sys_sendmsg+0xee/0x170 [ 765.647377][ T10] __sys_sendmsg+0xcd/0x170 [ 765.647377][ T10] do_syscall_64+0xc6/0x1e0 [ 765.647377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.647377][ T10] [ 765.649632][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 765.649632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 765.649632][ T10] ipv6_find_idev+0x102/0x170 [ 765.649632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.649632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.649632][ T10] netlink_rcv_skb+0x130/0x360 [ 765.649632][ T10] netlink_unicast+0x449/0x710 [ 765.649632][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.649632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.649632][ T10] ___sys_sendmsg+0xee/0x170 [ 765.649632][ T10] __sys_sendmsg+0xcd/0x170 [ 765.649632][ T10] do_syscall_64+0xc6/0x1e0 [ 765.649632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.649632][ T10] [ 765.651351][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 765.651351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 765.651351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 765.651351][ T10] ipv6_find_idev+0x102/0x170 [ 765.651351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 765.651351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 765.651351][ T10] netlink_rcv_skb+0x130/0x360 [ 765.651351][ T10] netlink_unicast+0x449/0x710 [ 765.651351][ T10] netlink_sendmsg+0x723/0xbe0 [ 765.651351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 765.651351][ T10] ___sys_sendmsg+0xee/0x170 [ 765.651351][ T10] __sys_sendmsg+0xcd/0x170 [ 765.651351][ T10] do_syscall_64+0xc6/0x1e0 [ 765.651351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 765.651351][ T10] [ 775.893934][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 775.894449][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 775.894449][ T10] netdev_get_by_index+0x5e/0x80 [ 775.894449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.894449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.894449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.894449][ T10] ipv6_add_addr+0x411/0x2000 [ 775.894449][ T10] inet6_addr_add+0x30e/0xa40 [ 775.894449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.894449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.894449][ T10] netlink_rcv_skb+0x130/0x360 [ 775.894449][ T10] netlink_unicast+0x449/0x710 [ 775.894449][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.894449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.894449][ T10] ___sys_sendmsg+0xee/0x170 [ 775.894449][ T10] __sys_sendmsg+0xcd/0x170 [ 775.894449][ T10] do_syscall_64+0xc6/0x1e0 [ 775.894449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.894449][ T10] [ 775.896488][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 775.896488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.896488][ T10] ipv6_find_idev+0x102/0x170 [ 775.896488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.896488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.896488][ T10] netlink_rcv_skb+0x130/0x360 [ 775.896488][ T10] netlink_unicast+0x449/0x710 [ 775.896488][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.896488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.896488][ T10] ___sys_sendmsg+0xee/0x170 [ 775.896488][ T10] __sys_sendmsg+0xcd/0x170 [ 775.896488][ T10] do_syscall_64+0xc6/0x1e0 [ 775.896488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.896488][ T10] [ 775.898062][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 775.898062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.898062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.898062][ T10] ipv6_find_idev+0x102/0x170 [ 775.898062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.898062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.898062][ T10] netlink_rcv_skb+0x130/0x360 [ 775.898062][ T10] netlink_unicast+0x449/0x710 [ 775.898062][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.898062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.898062][ T10] ___sys_sendmsg+0xee/0x170 [ 775.898062][ T10] __sys_sendmsg+0xcd/0x170 [ 775.898062][ T10] do_syscall_64+0xc6/0x1e0 [ 775.898062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.898062][ T10] [ 775.899789][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 775.900060][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 775.900060][ T10] netdev_get_by_index+0x5e/0x80 [ 775.900060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.900060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.900060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.900060][ T10] ipv6_add_addr+0x411/0x2000 [ 775.900060][ T10] inet6_addr_add+0x30e/0xa40 [ 775.900060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.900060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.900060][ T10] netlink_rcv_skb+0x130/0x360 [ 775.900060][ T10] netlink_unicast+0x449/0x710 [ 775.900060][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.900060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.900060][ T10] ___sys_sendmsg+0xee/0x170 [ 775.900060][ T10] __sys_sendmsg+0xcd/0x170 [ 775.900060][ T10] do_syscall_64+0xc6/0x1e0 [ 775.900060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.900060][ T10] [ 775.902082][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 775.902082][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.902082][ T10] ipv6_find_idev+0x102/0x170 [ 775.902082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.902082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.902082][ T10] netlink_rcv_skb+0x130/0x360 [ 775.902082][ T10] netlink_unicast+0x449/0x710 [ 775.902082][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.902082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.902082][ T10] ___sys_sendmsg+0xee/0x170 [ 775.902082][ T10] __sys_sendmsg+0xcd/0x170 [ 775.902082][ T10] do_syscall_64+0xc6/0x1e0 [ 775.902082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.902082][ T10] [ 775.903639][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 775.903639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.903639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.903639][ T10] ipv6_find_idev+0x102/0x170 [ 775.903639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.903639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.903639][ T10] netlink_rcv_skb+0x130/0x360 [ 775.903639][ T10] netlink_unicast+0x449/0x710 [ 775.903639][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.903639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.903639][ T10] ___sys_sendmsg+0xee/0x170 [ 775.903639][ T10] __sys_sendmsg+0xcd/0x170 [ 775.903639][ T10] do_syscall_64+0xc6/0x1e0 [ 775.903639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.903639][ T10] [ 775.905342][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 775.905612][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 775.905612][ T10] netdev_get_by_index+0x5e/0x80 [ 775.905612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.905612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.905612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.905612][ T10] ipv6_add_addr+0x411/0x2000 [ 775.905612][ T10] inet6_addr_add+0x30e/0xa40 [ 775.905612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.905612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.905612][ T10] netlink_rcv_skb+0x130/0x360 [ 775.905612][ T10] netlink_unicast+0x449/0x710 [ 775.905612][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.905612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.905612][ T10] ___sys_sendmsg+0xee/0x170 [ 775.905612][ T10] __sys_sendmsg+0xcd/0x170 [ 775.905612][ T10] do_syscall_64+0xc6/0x1e0 [ 775.905612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.905612][ T10] [ 775.907615][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 775.907615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.907615][ T10] ipv6_find_idev+0x102/0x170 [ 775.907615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.907615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.907615][ T10] netlink_rcv_skb+0x130/0x360 [ 775.907615][ T10] netlink_unicast+0x449/0x710 [ 775.907615][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.907615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.907615][ T10] ___sys_sendmsg+0xee/0x170 [ 775.907615][ T10] __sys_sendmsg+0xcd/0x170 [ 775.907615][ T10] do_syscall_64+0xc6/0x1e0 [ 775.907615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.907615][ T10] [ 775.909166][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 775.909166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.909166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.909166][ T10] ipv6_find_idev+0x102/0x170 [ 775.909166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.909166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.909166][ T10] netlink_rcv_skb+0x130/0x360 [ 775.909166][ T10] netlink_unicast+0x449/0x710 [ 775.909166][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.909166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.909166][ T10] ___sys_sendmsg+0xee/0x170 [ 775.909166][ T10] __sys_sendmsg+0xcd/0x170 [ 775.909166][ T10] do_syscall_64+0xc6/0x1e0 [ 775.909166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.909166][ T10] [ 775.910857][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 775.911125][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 775.911125][ T10] netdev_get_by_index+0x5e/0x80 [ 775.911125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.911125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.911125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.911125][ T10] ipv6_add_addr+0x411/0x2000 [ 775.911125][ T10] inet6_addr_add+0x30e/0xa40 [ 775.911125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.911125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.911125][ T10] netlink_rcv_skb+0x130/0x360 [ 775.911125][ T10] netlink_unicast+0x449/0x710 [ 775.911125][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.911125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.911125][ T10] ___sys_sendmsg+0xee/0x170 [ 775.911125][ T10] __sys_sendmsg+0xcd/0x170 [ 775.911125][ T10] do_syscall_64+0xc6/0x1e0 [ 775.911125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.911125][ T10] [ 775.913133][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 775.913133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.913133][ T10] ipv6_find_idev+0x102/0x170 [ 775.913133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.913133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.913133][ T10] netlink_rcv_skb+0x130/0x360 [ 775.913133][ T10] netlink_unicast+0x449/0x710 [ 775.913133][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.913133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.913133][ T10] ___sys_sendmsg+0xee/0x170 [ 775.913133][ T10] __sys_sendmsg+0xcd/0x170 [ 775.913133][ T10] do_syscall_64+0xc6/0x1e0 [ 775.913133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.913133][ T10] [ 775.914685][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 775.914685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.914685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.914685][ T10] ipv6_find_idev+0x102/0x170 [ 775.914685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.914685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.914685][ T10] netlink_rcv_skb+0x130/0x360 [ 775.914685][ T10] netlink_unicast+0x449/0x710 [ 775.914685][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.914685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.914685][ T10] ___sys_sendmsg+0xee/0x170 [ 775.914685][ T10] __sys_sendmsg+0xcd/0x170 [ 775.914685][ T10] do_syscall_64+0xc6/0x1e0 [ 775.914685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.914685][ T10] [ 775.916800][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 775.917071][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 775.917071][ T10] netdev_get_by_index+0x5e/0x80 [ 775.917071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.917071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.917071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.917071][ T10] ipv6_add_addr+0x411/0x2000 [ 775.917071][ T10] inet6_addr_add+0x30e/0xa40 [ 775.917071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.917071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.917071][ T10] netlink_rcv_skb+0x130/0x360 [ 775.917071][ T10] netlink_unicast+0x449/0x710 [ 775.917071][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.917071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.917071][ T10] ___sys_sendmsg+0xee/0x170 [ 775.917071][ T10] __sys_sendmsg+0xcd/0x170 [ 775.917071][ T10] do_syscall_64+0xc6/0x1e0 [ 775.917071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.917071][ T10] [ 775.919082][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 775.919082][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.919082][ T10] ipv6_find_idev+0x102/0x170 [ 775.919082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.919082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.919082][ T10] netlink_rcv_skb+0x130/0x360 [ 775.919082][ T10] netlink_unicast+0x449/0x710 [ 775.919082][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.919082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.919082][ T10] ___sys_sendmsg+0xee/0x170 [ 775.919082][ T10] __sys_sendmsg+0xcd/0x170 [ 775.919082][ T10] do_syscall_64+0xc6/0x1e0 [ 775.919082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.919082][ T10] [ 775.920624][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 775.920624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.920624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.920624][ T10] ipv6_find_idev+0x102/0x170 [ 775.920624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.920624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.920624][ T10] netlink_rcv_skb+0x130/0x360 [ 775.920624][ T10] netlink_unicast+0x449/0x710 [ 775.920624][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.920624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.920624][ T10] ___sys_sendmsg+0xee/0x170 [ 775.920624][ T10] __sys_sendmsg+0xcd/0x170 [ 775.920624][ T10] do_syscall_64+0xc6/0x1e0 [ 775.920624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.920624][ T10] [ 775.922366][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 775.922646][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 775.922646][ T10] netdev_get_by_index+0x5e/0x80 [ 775.922646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.922646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.922646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.922646][ T10] ipv6_add_addr+0x411/0x2000 [ 775.922646][ T10] inet6_addr_add+0x30e/0xa40 [ 775.922646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.922646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.922646][ T10] netlink_rcv_skb+0x130/0x360 [ 775.922646][ T10] netlink_unicast+0x449/0x710 [ 775.922646][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.922646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.922646][ T10] ___sys_sendmsg+0xee/0x170 [ 775.922646][ T10] __sys_sendmsg+0xcd/0x170 [ 775.922646][ T10] do_syscall_64+0xc6/0x1e0 [ 775.922646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.922646][ T10] [ 775.924787][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 775.924787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.924787][ T10] ipv6_find_idev+0x102/0x170 [ 775.924787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.924787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.924787][ T10] netlink_rcv_skb+0x130/0x360 [ 775.924787][ T10] netlink_unicast+0x449/0x710 [ 775.924787][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.924787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.924787][ T10] ___sys_sendmsg+0xee/0x170 [ 775.924787][ T10] __sys_sendmsg+0xcd/0x170 [ 775.924787][ T10] do_syscall_64+0xc6/0x1e0 [ 775.924787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.924787][ T10] [ 775.926540][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 775.926540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.926540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.926540][ T10] ipv6_find_idev+0x102/0x170 [ 775.926540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.926540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.926540][ T10] netlink_rcv_skb+0x130/0x360 [ 775.926540][ T10] netlink_unicast+0x449/0x710 [ 775.926540][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.926540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.926540][ T10] ___sys_sendmsg+0xee/0x170 [ 775.926540][ T10] __sys_sendmsg+0xcd/0x170 [ 775.926540][ T10] do_syscall_64+0xc6/0x1e0 [ 775.926540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.926540][ T10] [ 775.928403][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 775.928671][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 775.928671][ T10] netdev_get_by_index+0x5e/0x80 [ 775.928671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.928671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.928671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.928671][ T10] ipv6_add_addr+0x411/0x2000 [ 775.928671][ T10] inet6_addr_add+0x30e/0xa40 [ 775.928671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.928671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.928671][ T10] netlink_rcv_skb+0x130/0x360 [ 775.928671][ T10] netlink_unicast+0x449/0x710 [ 775.928671][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.928671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.928671][ T10] ___sys_sendmsg+0xee/0x170 [ 775.928671][ T10] __sys_sendmsg+0xcd/0x170 [ 775.928671][ T10] do_syscall_64+0xc6/0x1e0 [ 775.928671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.928671][ T10] [ 775.930802][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 775.930802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.930802][ T10] ipv6_find_idev+0x102/0x170 [ 775.930802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.930802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.930802][ T10] netlink_rcv_skb+0x130/0x360 [ 775.930802][ T10] netlink_unicast+0x449/0x710 [ 775.930802][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.930802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.930802][ T10] ___sys_sendmsg+0xee/0x170 [ 775.930802][ T10] __sys_sendmsg+0xcd/0x170 [ 775.930802][ T10] do_syscall_64+0xc6/0x1e0 [ 775.930802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.930802][ T10] [ 775.932413][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 775.932413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.932413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.932413][ T10] ipv6_find_idev+0x102/0x170 [ 775.932413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.932413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.932413][ T10] netlink_rcv_skb+0x130/0x360 [ 775.932413][ T10] netlink_unicast+0x449/0x710 [ 775.932413][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.932413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.932413][ T10] ___sys_sendmsg+0xee/0x170 [ 775.932413][ T10] __sys_sendmsg+0xcd/0x170 [ 775.932413][ T10] do_syscall_64+0xc6/0x1e0 [ 775.932413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.932413][ T10] [ 775.934267][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 775.934528][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 775.934528][ T10] netdev_get_by_index+0x5e/0x80 [ 775.934528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 775.934528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.934528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 775.934528][ T10] ipv6_add_addr+0x411/0x2000 [ 775.934528][ T10] inet6_addr_add+0x30e/0xa40 [ 775.934528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.934528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.934528][ T10] netlink_rcv_skb+0x130/0x360 [ 775.934528][ T10] netlink_unicast+0x449/0x710 [ 775.934528][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.934528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.934528][ T10] ___sys_sendmsg+0xee/0x170 [ 775.934528][ T10] __sys_sendmsg+0xcd/0x170 [ 775.934528][ T10] do_syscall_64+0xc6/0x1e0 [ 775.934528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.934528][ T10] [ 775.936604][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 775.936604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.936604][ T10] ipv6_find_idev+0x102/0x170 [ 775.936604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.936604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.936604][ T10] netlink_rcv_skb+0x130/0x360 [ 775.936604][ T10] netlink_unicast+0x449/0x710 [ 775.936604][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.936604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.936604][ T10] ___sys_sendmsg+0xee/0x170 [ 775.936604][ T10] __sys_sendmsg+0xcd/0x170 [ 775.936604][ T10] do_syscall_64+0xc6/0x1e0 [ 775.936604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.936604][ T10] [ 775.938285][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 775.938285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.938285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.938285][ T10] ipv6_find_idev+0x102/0x170 [ 775.938285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.938285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.938285][ T10] netlink_rcv_skb+0x130/0x360 [ 775.938285][ T10] netlink_unicast+0x449/0x710 [ 775.938285][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.938285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.938285][ T10] ___sys_sendmsg+0xee/0x170 [ 775.938285][ T10] __sys_sendmsg+0xcd/0x170 [ 775.938285][ T10] do_syscall_64+0xc6/0x1e0 [ 775.938285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.938285][ T10] [ 786.181944][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 786.182452][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 786.182452][ T10] netdev_get_by_index+0x5e/0x80 [ 786.182452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.182452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.182452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.182452][ T10] ipv6_add_addr+0x411/0x2000 [ 786.182452][ T10] inet6_addr_add+0x30e/0xa40 [ 786.182452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.182452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.182452][ T10] netlink_rcv_skb+0x130/0x360 [ 786.182452][ T10] netlink_unicast+0x449/0x710 [ 786.182452][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.182452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.182452][ T10] ___sys_sendmsg+0xee/0x170 [ 786.182452][ T10] __sys_sendmsg+0xcd/0x170 [ 786.182452][ T10] do_syscall_64+0xc6/0x1e0 [ 786.182452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.182452][ T10] [ 786.184490][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 786.184490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.184490][ T10] ipv6_find_idev+0x102/0x170 [ 786.184490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.184490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.184490][ T10] netlink_rcv_skb+0x130/0x360 [ 786.184490][ T10] netlink_unicast+0x449/0x710 [ 786.184490][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.184490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.184490][ T10] ___sys_sendmsg+0xee/0x170 [ 786.184490][ T10] __sys_sendmsg+0xcd/0x170 [ 786.184490][ T10] do_syscall_64+0xc6/0x1e0 [ 786.184490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.184490][ T10] [ 786.186040][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 786.186040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.186040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.186040][ T10] ipv6_find_idev+0x102/0x170 [ 786.186040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.186040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.186040][ T10] netlink_rcv_skb+0x130/0x360 [ 786.186040][ T10] netlink_unicast+0x449/0x710 [ 786.186040][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.186040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.186040][ T10] ___sys_sendmsg+0xee/0x170 [ 786.186040][ T10] __sys_sendmsg+0xcd/0x170 [ 786.186040][ T10] do_syscall_64+0xc6/0x1e0 [ 786.186040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.186040][ T10] [ 786.187750][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 786.188060][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 786.188060][ T10] netdev_get_by_index+0x5e/0x80 [ 786.188060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.188060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.188060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.188060][ T10] ipv6_add_addr+0x411/0x2000 [ 786.188060][ T10] inet6_addr_add+0x30e/0xa40 [ 786.188060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.188060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.188060][ T10] netlink_rcv_skb+0x130/0x360 [ 786.188060][ T10] netlink_unicast+0x449/0x710 [ 786.188060][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.188060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.188060][ T10] ___sys_sendmsg+0xee/0x170 [ 786.188060][ T10] __sys_sendmsg+0xcd/0x170 [ 786.188060][ T10] do_syscall_64+0xc6/0x1e0 [ 786.188060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.188060][ T10] [ 786.190067][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 786.190067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.190067][ T10] ipv6_find_idev+0x102/0x170 [ 786.190067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.190067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.190067][ T10] netlink_rcv_skb+0x130/0x360 [ 786.190067][ T10] netlink_unicast+0x449/0x710 [ 786.190067][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.190067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.190067][ T10] ___sys_sendmsg+0xee/0x170 [ 786.190067][ T10] __sys_sendmsg+0xcd/0x170 [ 786.190067][ T10] do_syscall_64+0xc6/0x1e0 [ 786.190067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.190067][ T10] [ 786.191614][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 786.191614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.191614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.191614][ T10] ipv6_find_idev+0x102/0x170 [ 786.191614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.191614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.191614][ T10] netlink_rcv_skb+0x130/0x360 [ 786.191614][ T10] netlink_unicast+0x449/0x710 [ 786.191614][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.191614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.191614][ T10] ___sys_sendmsg+0xee/0x170 [ 786.191614][ T10] __sys_sendmsg+0xcd/0x170 [ 786.191614][ T10] do_syscall_64+0xc6/0x1e0 [ 786.191614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.191614][ T10] [ 786.193330][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 786.193611][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 786.193611][ T10] netdev_get_by_index+0x5e/0x80 [ 786.193611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.193611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.193611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.193611][ T10] ipv6_add_addr+0x411/0x2000 [ 786.193611][ T10] inet6_addr_add+0x30e/0xa40 [ 786.193611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.193611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.193611][ T10] netlink_rcv_skb+0x130/0x360 [ 786.193611][ T10] netlink_unicast+0x449/0x710 [ 786.193611][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.193611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.193611][ T10] ___sys_sendmsg+0xee/0x170 [ 786.193611][ T10] __sys_sendmsg+0xcd/0x170 [ 786.193611][ T10] do_syscall_64+0xc6/0x1e0 [ 786.193611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.193611][ T10] [ 786.195623][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 786.195623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.195623][ T10] ipv6_find_idev+0x102/0x170 [ 786.195623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.195623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.195623][ T10] netlink_rcv_skb+0x130/0x360 [ 786.195623][ T10] netlink_unicast+0x449/0x710 [ 786.195623][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.195623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.195623][ T10] ___sys_sendmsg+0xee/0x170 [ 786.195623][ T10] __sys_sendmsg+0xcd/0x170 [ 786.195623][ T10] do_syscall_64+0xc6/0x1e0 [ 786.195623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.195623][ T10] [ 786.197176][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 786.197176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.197176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.197176][ T10] ipv6_find_idev+0x102/0x170 [ 786.197176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.197176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.197176][ T10] netlink_rcv_skb+0x130/0x360 [ 786.197176][ T10] netlink_unicast+0x449/0x710 [ 786.197176][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.197176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.197176][ T10] ___sys_sendmsg+0xee/0x170 [ 786.197176][ T10] __sys_sendmsg+0xcd/0x170 [ 786.197176][ T10] do_syscall_64+0xc6/0x1e0 [ 786.197176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.197176][ T10] [ 786.198875][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 786.199139][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 786.199139][ T10] netdev_get_by_index+0x5e/0x80 [ 786.199139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.199139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.199139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.199139][ T10] ipv6_add_addr+0x411/0x2000 [ 786.199139][ T10] inet6_addr_add+0x30e/0xa40 [ 786.199139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.199139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.199139][ T10] netlink_rcv_skb+0x130/0x360 [ 786.199139][ T10] netlink_unicast+0x449/0x710 [ 786.199139][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.199139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.199139][ T10] ___sys_sendmsg+0xee/0x170 [ 786.199139][ T10] __sys_sendmsg+0xcd/0x170 [ 786.199139][ T10] do_syscall_64+0xc6/0x1e0 [ 786.199139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.199139][ T10] [ 786.201515][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 786.201515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.201515][ T10] ipv6_find_idev+0x102/0x170 [ 786.201515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.201515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.201515][ T10] netlink_rcv_skb+0x130/0x360 [ 786.201515][ T10] netlink_unicast+0x449/0x710 [ 786.201515][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.201515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.201515][ T10] ___sys_sendmsg+0xee/0x170 [ 786.201515][ T10] __sys_sendmsg+0xcd/0x170 [ 786.201515][ T10] do_syscall_64+0xc6/0x1e0 [ 786.201515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.201515][ T10] [ 786.203985][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 786.203985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.203985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.203985][ T10] ipv6_find_idev+0x102/0x170 [ 786.203985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.203985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.203985][ T10] netlink_rcv_skb+0x130/0x360 [ 786.203985][ T10] netlink_unicast+0x449/0x710 [ 786.203985][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.203985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.203985][ T10] ___sys_sendmsg+0xee/0x170 [ 786.203985][ T10] __sys_sendmsg+0xcd/0x170 [ 786.203985][ T10] do_syscall_64+0xc6/0x1e0 [ 786.203985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.203985][ T10] [ 786.206526][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 786.206817][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 786.206817][ T10] netdev_get_by_index+0x5e/0x80 [ 786.206817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.206817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.206817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.206817][ T10] ipv6_add_addr+0x411/0x2000 [ 786.206817][ T10] inet6_addr_add+0x30e/0xa40 [ 786.206817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.206817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.206817][ T10] netlink_rcv_skb+0x130/0x360 [ 786.206817][ T10] netlink_unicast+0x449/0x710 [ 786.206817][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.206817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.206817][ T10] ___sys_sendmsg+0xee/0x170 [ 786.206817][ T10] __sys_sendmsg+0xcd/0x170 [ 786.206817][ T10] do_syscall_64+0xc6/0x1e0 [ 786.206817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.206817][ T10] [ 786.209075][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 786.209075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.209075][ T10] ipv6_find_idev+0x102/0x170 [ 786.209075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.209075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.209075][ T10] netlink_rcv_skb+0x130/0x360 [ 786.209075][ T10] netlink_unicast+0x449/0x710 [ 786.209075][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.209075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.209075][ T10] ___sys_sendmsg+0xee/0x170 [ 786.209075][ T10] __sys_sendmsg+0xcd/0x170 [ 786.209075][ T10] do_syscall_64+0xc6/0x1e0 [ 786.209075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.209075][ T10] [ 786.211526][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 786.211526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.211526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.211526][ T10] ipv6_find_idev+0x102/0x170 [ 786.211526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.211526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.211526][ T10] netlink_rcv_skb+0x130/0x360 [ 786.211526][ T10] netlink_unicast+0x449/0x710 [ 786.211526][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.211526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.211526][ T10] ___sys_sendmsg+0xee/0x170 [ 786.211526][ T10] __sys_sendmsg+0xcd/0x170 [ 786.211526][ T10] do_syscall_64+0xc6/0x1e0 [ 786.211526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.211526][ T10] [ 786.214105][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 786.214377][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 786.214377][ T10] netdev_get_by_index+0x5e/0x80 [ 786.214377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.214377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.214377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.214377][ T10] ipv6_add_addr+0x411/0x2000 [ 786.214377][ T10] inet6_addr_add+0x30e/0xa40 [ 786.214377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.214377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.214377][ T10] netlink_rcv_skb+0x130/0x360 [ 786.214377][ T10] netlink_unicast+0x449/0x710 [ 786.214377][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.214377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.214377][ T10] ___sys_sendmsg+0xee/0x170 [ 786.214377][ T10] __sys_sendmsg+0xcd/0x170 [ 786.214377][ T10] do_syscall_64+0xc6/0x1e0 [ 786.214377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.214377][ T10] [ 786.216850][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 786.216850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.216850][ T10] ipv6_find_idev+0x102/0x170 [ 786.216850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.216850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.216850][ T10] netlink_rcv_skb+0x130/0x360 [ 786.216850][ T10] netlink_unicast+0x449/0x710 [ 786.216850][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.216850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.216850][ T10] ___sys_sendmsg+0xee/0x170 [ 786.216850][ T10] __sys_sendmsg+0xcd/0x170 [ 786.216850][ T10] do_syscall_64+0xc6/0x1e0 [ 786.216850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.216850][ T10] [ 786.219687][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 786.219687][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.219687][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.219687][ T10] ipv6_find_idev+0x102/0x170 [ 786.219687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.219687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.219687][ T10] netlink_rcv_skb+0x130/0x360 [ 786.219687][ T10] netlink_unicast+0x449/0x710 [ 786.219687][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.219687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.219687][ T10] ___sys_sendmsg+0xee/0x170 [ 786.219687][ T10] __sys_sendmsg+0xcd/0x170 [ 786.219687][ T10] do_syscall_64+0xc6/0x1e0 [ 786.219687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.219687][ T10] [ 786.222296][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 786.222571][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 786.222571][ T10] netdev_get_by_index+0x5e/0x80 [ 786.222571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.222571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.222571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.222571][ T10] ipv6_add_addr+0x411/0x2000 [ 786.222571][ T10] inet6_addr_add+0x30e/0xa40 [ 786.222571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.222571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.222571][ T10] netlink_rcv_skb+0x130/0x360 [ 786.222571][ T10] netlink_unicast+0x449/0x710 [ 786.222571][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.222571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.222571][ T10] ___sys_sendmsg+0xee/0x170 [ 786.222571][ T10] __sys_sendmsg+0xcd/0x170 [ 786.222571][ T10] do_syscall_64+0xc6/0x1e0 [ 786.222571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.222571][ T10] [ 786.225289][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 786.225289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.225289][ T10] ipv6_find_idev+0x102/0x170 [ 786.225289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.225289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.225289][ T10] netlink_rcv_skb+0x130/0x360 [ 786.225289][ T10] netlink_unicast+0x449/0x710 [ 786.225289][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.225289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.225289][ T10] ___sys_sendmsg+0xee/0x170 [ 786.225289][ T10] __sys_sendmsg+0xcd/0x170 [ 786.225289][ T10] do_syscall_64+0xc6/0x1e0 [ 786.225289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.225289][ T10] [ 786.227043][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 786.227043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.227043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.227043][ T10] ipv6_find_idev+0x102/0x170 [ 786.227043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.227043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.227043][ T10] netlink_rcv_skb+0x130/0x360 [ 786.227043][ T10] netlink_unicast+0x449/0x710 [ 786.227043][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.227043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.227043][ T10] ___sys_sendmsg+0xee/0x170 [ 786.227043][ T10] __sys_sendmsg+0xcd/0x170 [ 786.227043][ T10] do_syscall_64+0xc6/0x1e0 [ 786.227043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.227043][ T10] [ 786.229017][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 786.229287][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 786.229287][ T10] netdev_get_by_index+0x5e/0x80 [ 786.229287][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.229287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.229287][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.229287][ T10] ipv6_add_addr+0x411/0x2000 [ 786.229287][ T10] inet6_addr_add+0x30e/0xa40 [ 786.229287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.229287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.229287][ T10] netlink_rcv_skb+0x130/0x360 [ 786.229287][ T10] netlink_unicast+0x449/0x710 [ 786.229287][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.229287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.229287][ T10] ___sys_sendmsg+0xee/0x170 [ 786.229287][ T10] __sys_sendmsg+0xcd/0x170 [ 786.229287][ T10] do_syscall_64+0xc6/0x1e0 [ 786.229287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.229287][ T10] [ 786.231551][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 786.231551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.231551][ T10] ipv6_find_idev+0x102/0x170 [ 786.231551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.231551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.231551][ T10] netlink_rcv_skb+0x130/0x360 [ 786.231551][ T10] netlink_unicast+0x449/0x710 [ 786.231551][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.231551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.231551][ T10] ___sys_sendmsg+0xee/0x170 [ 786.231551][ T10] __sys_sendmsg+0xcd/0x170 [ 786.231551][ T10] do_syscall_64+0xc6/0x1e0 [ 786.231551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.231551][ T10] [ 786.233302][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 786.233302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.233302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.233302][ T10] ipv6_find_idev+0x102/0x170 [ 786.233302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.233302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.233302][ T10] netlink_rcv_skb+0x130/0x360 [ 786.233302][ T10] netlink_unicast+0x449/0x710 [ 786.233302][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.233302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.233302][ T10] ___sys_sendmsg+0xee/0x170 [ 786.233302][ T10] __sys_sendmsg+0xcd/0x170 [ 786.233302][ T10] do_syscall_64+0xc6/0x1e0 [ 786.233302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.233302][ T10] [ 796.373985][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 796.374787][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 796.374787][ T10] netdev_get_by_index+0x5e/0x80 [ 796.374787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.374787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.374787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.374787][ T10] ipv6_add_addr+0x411/0x2000 [ 796.374787][ T10] inet6_addr_add+0x30e/0xa40 [ 796.374787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.374787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.374787][ T10] netlink_rcv_skb+0x130/0x360 [ 796.374787][ T10] netlink_unicast+0x449/0x710 [ 796.374787][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.374787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.374787][ T10] ___sys_sendmsg+0xee/0x170 [ 796.374787][ T10] __sys_sendmsg+0xcd/0x170 [ 796.374787][ T10] do_syscall_64+0xc6/0x1e0 [ 796.374787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.374787][ T10] [ 796.376878][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 796.376878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.376878][ T10] ipv6_find_idev+0x102/0x170 [ 796.376878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.376878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.376878][ T10] netlink_rcv_skb+0x130/0x360 [ 796.376878][ T10] netlink_unicast+0x449/0x710 [ 796.376878][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.376878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.376878][ T10] ___sys_sendmsg+0xee/0x170 [ 796.376878][ T10] __sys_sendmsg+0xcd/0x170 [ 796.376878][ T10] do_syscall_64+0xc6/0x1e0 [ 796.376878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.376878][ T10] [ 796.378447][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 796.378447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.378447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.378447][ T10] ipv6_find_idev+0x102/0x170 [ 796.378447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.378447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.378447][ T10] netlink_rcv_skb+0x130/0x360 [ 796.378447][ T10] netlink_unicast+0x449/0x710 [ 796.378447][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.378447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.378447][ T10] ___sys_sendmsg+0xee/0x170 [ 796.378447][ T10] __sys_sendmsg+0xcd/0x170 [ 796.378447][ T10] do_syscall_64+0xc6/0x1e0 [ 796.378447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.378447][ T10] [ 796.380237][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 796.380522][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 796.380522][ T10] netdev_get_by_index+0x5e/0x80 [ 796.380522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.380522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.380522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.380522][ T10] ipv6_add_addr+0x411/0x2000 [ 796.380522][ T10] inet6_addr_add+0x30e/0xa40 [ 796.380522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.380522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.380522][ T10] netlink_rcv_skb+0x130/0x360 [ 796.380522][ T10] netlink_unicast+0x449/0x710 [ 796.380522][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.380522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.380522][ T10] ___sys_sendmsg+0xee/0x170 [ 796.380522][ T10] __sys_sendmsg+0xcd/0x170 [ 796.380522][ T10] do_syscall_64+0xc6/0x1e0 [ 796.380522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.380522][ T10] [ 796.382576][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 796.382576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.382576][ T10] ipv6_find_idev+0x102/0x170 [ 796.382576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.382576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.382576][ T10] netlink_rcv_skb+0x130/0x360 [ 796.382576][ T10] netlink_unicast+0x449/0x710 [ 796.382576][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.382576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.382576][ T10] ___sys_sendmsg+0xee/0x170 [ 796.382576][ T10] __sys_sendmsg+0xcd/0x170 [ 796.382576][ T10] do_syscall_64+0xc6/0x1e0 [ 796.382576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.382576][ T10] [ 796.384124][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 796.384124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.384124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.384124][ T10] ipv6_find_idev+0x102/0x170 [ 796.384124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.384124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.384124][ T10] netlink_rcv_skb+0x130/0x360 [ 796.384124][ T10] netlink_unicast+0x449/0x710 [ 796.384124][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.384124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.384124][ T10] ___sys_sendmsg+0xee/0x170 [ 796.384124][ T10] __sys_sendmsg+0xcd/0x170 [ 796.384124][ T10] do_syscall_64+0xc6/0x1e0 [ 796.384124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.384124][ T10] [ 796.385867][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 796.386142][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 796.386142][ T10] netdev_get_by_index+0x5e/0x80 [ 796.386142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.386142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.386142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.386142][ T10] ipv6_add_addr+0x411/0x2000 [ 796.386142][ T10] inet6_addr_add+0x30e/0xa40 [ 796.386142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.386142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.386142][ T10] netlink_rcv_skb+0x130/0x360 [ 796.386142][ T10] netlink_unicast+0x449/0x710 [ 796.386142][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.386142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.386142][ T10] ___sys_sendmsg+0xee/0x170 [ 796.386142][ T10] __sys_sendmsg+0xcd/0x170 [ 796.386142][ T10] do_syscall_64+0xc6/0x1e0 [ 796.386142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.386142][ T10] [ 796.388170][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 796.388170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.388170][ T10] ipv6_find_idev+0x102/0x170 [ 796.388170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.388170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.388170][ T10] netlink_rcv_skb+0x130/0x360 [ 796.388170][ T10] netlink_unicast+0x449/0x710 [ 796.388170][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.388170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.388170][ T10] ___sys_sendmsg+0xee/0x170 [ 796.388170][ T10] __sys_sendmsg+0xcd/0x170 [ 796.388170][ T10] do_syscall_64+0xc6/0x1e0 [ 796.388170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.388170][ T10] [ 796.389713][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 796.389713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.389713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.389713][ T10] ipv6_find_idev+0x102/0x170 [ 796.389713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.389713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.389713][ T10] netlink_rcv_skb+0x130/0x360 [ 796.389713][ T10] netlink_unicast+0x449/0x710 [ 796.389713][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.389713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.389713][ T10] ___sys_sendmsg+0xee/0x170 [ 796.389713][ T10] __sys_sendmsg+0xcd/0x170 [ 796.389713][ T10] do_syscall_64+0xc6/0x1e0 [ 796.389713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.389713][ T10] [ 796.391435][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 796.391714][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 796.391714][ T10] netdev_get_by_index+0x5e/0x80 [ 796.391714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.391714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.391714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.391714][ T10] ipv6_add_addr+0x411/0x2000 [ 796.391714][ T10] inet6_addr_add+0x30e/0xa40 [ 796.391714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.391714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.391714][ T10] netlink_rcv_skb+0x130/0x360 [ 796.391714][ T10] netlink_unicast+0x449/0x710 [ 796.391714][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.391714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.391714][ T10] ___sys_sendmsg+0xee/0x170 [ 796.391714][ T10] __sys_sendmsg+0xcd/0x170 [ 796.391714][ T10] do_syscall_64+0xc6/0x1e0 [ 796.391714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.391714][ T10] [ 796.393718][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 796.393718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.393718][ T10] ipv6_find_idev+0x102/0x170 [ 796.393718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.393718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.393718][ T10] netlink_rcv_skb+0x130/0x360 [ 796.393718][ T10] netlink_unicast+0x449/0x710 [ 796.393718][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.393718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.393718][ T10] ___sys_sendmsg+0xee/0x170 [ 796.393718][ T10] __sys_sendmsg+0xcd/0x170 [ 796.393718][ T10] do_syscall_64+0xc6/0x1e0 [ 796.393718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.393718][ T10] [ 796.395274][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 796.395274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.395274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.395274][ T10] ipv6_find_idev+0x102/0x170 [ 796.395274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.395274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.395274][ T10] netlink_rcv_skb+0x130/0x360 [ 796.395274][ T10] netlink_unicast+0x449/0x710 [ 796.395274][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.395274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.395274][ T10] ___sys_sendmsg+0xee/0x170 [ 796.395274][ T10] __sys_sendmsg+0xcd/0x170 [ 796.395274][ T10] do_syscall_64+0xc6/0x1e0 [ 796.395274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.395274][ T10] [ 796.397411][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 796.398028][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 796.398028][ T10] netdev_get_by_index+0x5e/0x80 [ 796.398028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.398028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.398028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.398028][ T10] ipv6_add_addr+0x411/0x2000 [ 796.398028][ T10] inet6_addr_add+0x30e/0xa40 [ 796.398028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.398028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.398028][ T10] netlink_rcv_skb+0x130/0x360 [ 796.398028][ T10] netlink_unicast+0x449/0x710 [ 796.398028][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.398028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.398028][ T10] ___sys_sendmsg+0xee/0x170 [ 796.398028][ T10] __sys_sendmsg+0xcd/0x170 [ 796.398028][ T10] do_syscall_64+0xc6/0x1e0 [ 796.398028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.398028][ T10] [ 796.400024][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 796.400024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.400024][ T10] ipv6_find_idev+0x102/0x170 [ 796.400024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.400024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.400024][ T10] netlink_rcv_skb+0x130/0x360 [ 796.400024][ T10] netlink_unicast+0x449/0x710 [ 796.400024][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.400024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.400024][ T10] ___sys_sendmsg+0xee/0x170 [ 796.400024][ T10] __sys_sendmsg+0xcd/0x170 [ 796.400024][ T10] do_syscall_64+0xc6/0x1e0 [ 796.400024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.400024][ T10] [ 796.401560][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 796.401560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.401560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.401560][ T10] ipv6_find_idev+0x102/0x170 [ 796.401560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.401560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.401560][ T10] netlink_rcv_skb+0x130/0x360 [ 796.401560][ T10] netlink_unicast+0x449/0x710 [ 796.401560][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.401560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.401560][ T10] ___sys_sendmsg+0xee/0x170 [ 796.401560][ T10] __sys_sendmsg+0xcd/0x170 [ 796.401560][ T10] do_syscall_64+0xc6/0x1e0 [ 796.401560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.401560][ T10] [ 796.403257][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 796.403530][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 796.403530][ T10] netdev_get_by_index+0x5e/0x80 [ 796.403530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.403530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.403530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.403530][ T10] ipv6_add_addr+0x411/0x2000 [ 796.403530][ T10] inet6_addr_add+0x30e/0xa40 [ 796.403530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.403530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.403530][ T10] netlink_rcv_skb+0x130/0x360 [ 796.403530][ T10] netlink_unicast+0x449/0x710 [ 796.403530][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.403530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.403530][ T10] ___sys_sendmsg+0xee/0x170 [ 796.403530][ T10] __sys_sendmsg+0xcd/0x170 [ 796.403530][ T10] do_syscall_64+0xc6/0x1e0 [ 796.403530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.403530][ T10] [ 796.405541][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 796.405541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.405541][ T10] ipv6_find_idev+0x102/0x170 [ 796.405541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.405541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.405541][ T10] netlink_rcv_skb+0x130/0x360 [ 796.405541][ T10] netlink_unicast+0x449/0x710 [ 796.405541][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.405541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.405541][ T10] ___sys_sendmsg+0xee/0x170 [ 796.405541][ T10] __sys_sendmsg+0xcd/0x170 [ 796.405541][ T10] do_syscall_64+0xc6/0x1e0 [ 796.405541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.405541][ T10] [ 796.407169][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 796.407169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.407169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.407169][ T10] ipv6_find_idev+0x102/0x170 [ 796.407169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.407169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.407169][ T10] netlink_rcv_skb+0x130/0x360 [ 796.407169][ T10] netlink_unicast+0x449/0x710 [ 796.407169][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.407169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.407169][ T10] ___sys_sendmsg+0xee/0x170 [ 796.407169][ T10] __sys_sendmsg+0xcd/0x170 [ 796.407169][ T10] do_syscall_64+0xc6/0x1e0 [ 796.407169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.407169][ T10] [ 796.409094][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 796.409400][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 796.409400][ T10] netdev_get_by_index+0x5e/0x80 [ 796.409400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.409400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.409400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.409400][ T10] ipv6_add_addr+0x411/0x2000 [ 796.409400][ T10] inet6_addr_add+0x30e/0xa40 [ 796.409400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.409400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.409400][ T10] netlink_rcv_skb+0x130/0x360 [ 796.409400][ T10] netlink_unicast+0x449/0x710 [ 796.409400][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.409400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.409400][ T10] ___sys_sendmsg+0xee/0x170 [ 796.409400][ T10] __sys_sendmsg+0xcd/0x170 [ 796.409400][ T10] do_syscall_64+0xc6/0x1e0 [ 796.409400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.409400][ T10] [ 796.411639][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 796.411639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.411639][ T10] ipv6_find_idev+0x102/0x170 [ 796.411639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.411639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.411639][ T10] netlink_rcv_skb+0x130/0x360 [ 796.411639][ T10] netlink_unicast+0x449/0x710 [ 796.411639][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.411639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.411639][ T10] ___sys_sendmsg+0xee/0x170 [ 796.411639][ T10] __sys_sendmsg+0xcd/0x170 [ 796.411639][ T10] do_syscall_64+0xc6/0x1e0 [ 796.411639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.411639][ T10] [ 796.413366][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 796.413366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.413366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.413366][ T10] ipv6_find_idev+0x102/0x170 [ 796.413366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.413366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.413366][ T10] netlink_rcv_skb+0x130/0x360 [ 796.413366][ T10] netlink_unicast+0x449/0x710 [ 796.413366][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.413366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.413366][ T10] ___sys_sendmsg+0xee/0x170 [ 796.413366][ T10] __sys_sendmsg+0xcd/0x170 [ 796.413366][ T10] do_syscall_64+0xc6/0x1e0 [ 796.413366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.413366][ T10] [ 796.415277][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 796.415595][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 796.415595][ T10] netdev_get_by_index+0x5e/0x80 [ 796.415595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 796.415595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 796.415595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 796.415595][ T10] ipv6_add_addr+0x411/0x2000 [ 796.415595][ T10] inet6_addr_add+0x30e/0xa40 [ 796.415595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 796.415595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.415595][ T10] netlink_rcv_skb+0x130/0x360 [ 796.415595][ T10] netlink_unicast+0x449/0x710 [ 796.415595][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.415595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.415595][ T10] ___sys_sendmsg+0xee/0x170 [ 796.415595][ T10] __sys_sendmsg+0xcd/0x170 [ 796.415595][ T10] do_syscall_64+0xc6/0x1e0 [ 796.415595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.415595][ T10] [ 796.417724][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 796.417724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 796.417724][ T10] ipv6_find_idev+0x102/0x170 [ 796.417724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.417724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.417724][ T10] netlink_rcv_skb+0x130/0x360 [ 796.417724][ T10] netlink_unicast+0x449/0x710 [ 796.417724][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.417724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.417724][ T10] ___sys_sendmsg+0xee/0x170 [ 796.417724][ T10] __sys_sendmsg+0xcd/0x170 [ 796.417724][ T10] do_syscall_64+0xc6/0x1e0 [ 796.417724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.417724][ T10] [ 796.419462][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 796.419462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 796.419462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 796.419462][ T10] ipv6_find_idev+0x102/0x170 [ 796.419462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 796.419462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 796.419462][ T10] netlink_rcv_skb+0x130/0x360 [ 796.419462][ T10] netlink_unicast+0x449/0x710 [ 796.419462][ T10] netlink_sendmsg+0x723/0xbe0 [ 796.419462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 796.419462][ T10] ___sys_sendmsg+0xee/0x170 [ 796.419462][ T10] __sys_sendmsg+0xcd/0x170 [ 796.419462][ T10] do_syscall_64+0xc6/0x1e0 [ 796.419462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 796.419462][ T10] [ 806.669950][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 806.670624][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 806.670624][ T10] netdev_get_by_index+0x5e/0x80 [ 806.670624][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.670624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.670624][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.670624][ T10] ipv6_add_addr+0x411/0x2000 [ 806.670624][ T10] inet6_addr_add+0x30e/0xa40 [ 806.670624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.670624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.670624][ T10] netlink_rcv_skb+0x130/0x360 [ 806.670624][ T10] netlink_unicast+0x449/0x710 [ 806.670624][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.670624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.670624][ T10] ___sys_sendmsg+0xee/0x170 [ 806.670624][ T10] __sys_sendmsg+0xcd/0x170 [ 806.670624][ T10] do_syscall_64+0xc6/0x1e0 [ 806.670624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.670624][ T10] [ 806.673449][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 806.673449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.673449][ T10] ipv6_find_idev+0x102/0x170 [ 806.673449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.673449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.673449][ T10] netlink_rcv_skb+0x130/0x360 [ 806.673449][ T10] netlink_unicast+0x449/0x710 [ 806.673449][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.673449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.673449][ T10] ___sys_sendmsg+0xee/0x170 [ 806.673449][ T10] __sys_sendmsg+0xcd/0x170 [ 806.673449][ T10] do_syscall_64+0xc6/0x1e0 [ 806.673449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.673449][ T10] [ 806.675659][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 806.675659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.675659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.675659][ T10] ipv6_find_idev+0x102/0x170 [ 806.675659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.675659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.675659][ T10] netlink_rcv_skb+0x130/0x360 [ 806.675659][ T10] netlink_unicast+0x449/0x710 [ 806.675659][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.675659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.675659][ T10] ___sys_sendmsg+0xee/0x170 [ 806.675659][ T10] __sys_sendmsg+0xcd/0x170 [ 806.675659][ T10] do_syscall_64+0xc6/0x1e0 [ 806.675659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.675659][ T10] [ 806.678248][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 806.678711][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 806.678711][ T10] netdev_get_by_index+0x5e/0x80 [ 806.678711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.678711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.678711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.678711][ T10] ipv6_add_addr+0x411/0x2000 [ 806.678711][ T10] inet6_addr_add+0x30e/0xa40 [ 806.678711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.678711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.678711][ T10] netlink_rcv_skb+0x130/0x360 [ 806.678711][ T10] netlink_unicast+0x449/0x710 [ 806.678711][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.678711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.678711][ T10] ___sys_sendmsg+0xee/0x170 [ 806.678711][ T10] __sys_sendmsg+0xcd/0x170 [ 806.678711][ T10] do_syscall_64+0xc6/0x1e0 [ 806.678711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.678711][ T10] [ 806.681694][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 806.681694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.681694][ T10] ipv6_find_idev+0x102/0x170 [ 806.681694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.681694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.681694][ T10] netlink_rcv_skb+0x130/0x360 [ 806.681694][ T10] netlink_unicast+0x449/0x710 [ 806.681694][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.681694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.681694][ T10] ___sys_sendmsg+0xee/0x170 [ 806.681694][ T10] __sys_sendmsg+0xcd/0x170 [ 806.681694][ T10] do_syscall_64+0xc6/0x1e0 [ 806.681694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.681694][ T10] [ 806.683908][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 806.683908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.683908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.683908][ T10] ipv6_find_idev+0x102/0x170 [ 806.683908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.683908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.683908][ T10] netlink_rcv_skb+0x130/0x360 [ 806.683908][ T10] netlink_unicast+0x449/0x710 [ 806.683908][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.683908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.683908][ T10] ___sys_sendmsg+0xee/0x170 [ 806.683908][ T10] __sys_sendmsg+0xcd/0x170 [ 806.683908][ T10] do_syscall_64+0xc6/0x1e0 [ 806.683908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.683908][ T10] [ 806.686355][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 806.686720][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 806.686720][ T10] netdev_get_by_index+0x5e/0x80 [ 806.686720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.686720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.686720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.686720][ T10] ipv6_add_addr+0x411/0x2000 [ 806.686720][ T10] inet6_addr_add+0x30e/0xa40 [ 806.686720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.686720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.686720][ T10] netlink_rcv_skb+0x130/0x360 [ 806.686720][ T10] netlink_unicast+0x449/0x710 [ 806.686720][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.686720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.686720][ T10] ___sys_sendmsg+0xee/0x170 [ 806.686720][ T10] __sys_sendmsg+0xcd/0x170 [ 806.686720][ T10] do_syscall_64+0xc6/0x1e0 [ 806.686720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.686720][ T10] [ 806.689512][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 806.689512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.689512][ T10] ipv6_find_idev+0x102/0x170 [ 806.689512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.689512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.689512][ T10] netlink_rcv_skb+0x130/0x360 [ 806.689512][ T10] netlink_unicast+0x449/0x710 [ 806.689512][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.689512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.689512][ T10] ___sys_sendmsg+0xee/0x170 [ 806.689512][ T10] __sys_sendmsg+0xcd/0x170 [ 806.689512][ T10] do_syscall_64+0xc6/0x1e0 [ 806.689512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.689512][ T10] [ 806.691629][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 806.691629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.691629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.691629][ T10] ipv6_find_idev+0x102/0x170 [ 806.691629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.691629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.691629][ T10] netlink_rcv_skb+0x130/0x360 [ 806.691629][ T10] netlink_unicast+0x449/0x710 [ 806.691629][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.691629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.691629][ T10] ___sys_sendmsg+0xee/0x170 [ 806.691629][ T10] __sys_sendmsg+0xcd/0x170 [ 806.691629][ T10] do_syscall_64+0xc6/0x1e0 [ 806.691629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.691629][ T10] [ 806.694307][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 806.694751][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 806.694751][ T10] netdev_get_by_index+0x5e/0x80 [ 806.694751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.694751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.694751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.694751][ T10] ipv6_add_addr+0x411/0x2000 [ 806.694751][ T10] inet6_addr_add+0x30e/0xa40 [ 806.694751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.694751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.694751][ T10] netlink_rcv_skb+0x130/0x360 [ 806.694751][ T10] netlink_unicast+0x449/0x710 [ 806.694751][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.694751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.694751][ T10] ___sys_sendmsg+0xee/0x170 [ 806.694751][ T10] __sys_sendmsg+0xcd/0x170 [ 806.694751][ T10] do_syscall_64+0xc6/0x1e0 [ 806.694751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.694751][ T10] [ 806.697537][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 806.697537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.697537][ T10] ipv6_find_idev+0x102/0x170 [ 806.697537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.697537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.697537][ T10] netlink_rcv_skb+0x130/0x360 [ 806.697537][ T10] netlink_unicast+0x449/0x710 [ 806.697537][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.697537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.697537][ T10] ___sys_sendmsg+0xee/0x170 [ 806.697537][ T10] __sys_sendmsg+0xcd/0x170 [ 806.697537][ T10] do_syscall_64+0xc6/0x1e0 [ 806.697537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.697537][ T10] [ 806.699843][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 806.699843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.699843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.699843][ T10] ipv6_find_idev+0x102/0x170 [ 806.699843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.699843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.699843][ T10] netlink_rcv_skb+0x130/0x360 [ 806.699843][ T10] netlink_unicast+0x449/0x710 [ 806.699843][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.699843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.699843][ T10] ___sys_sendmsg+0xee/0x170 [ 806.699843][ T10] __sys_sendmsg+0xcd/0x170 [ 806.699843][ T10] do_syscall_64+0xc6/0x1e0 [ 806.699843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.699843][ T10] [ 806.703247][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 806.704124][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 806.704124][ T10] netdev_get_by_index+0x5e/0x80 [ 806.704124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.704124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.704124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.704124][ T10] ipv6_add_addr+0x411/0x2000 [ 806.704124][ T10] inet6_addr_add+0x30e/0xa40 [ 806.704124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.704124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.704124][ T10] netlink_rcv_skb+0x130/0x360 [ 806.704124][ T10] netlink_unicast+0x449/0x710 [ 806.704124][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.704124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.704124][ T10] ___sys_sendmsg+0xee/0x170 [ 806.704124][ T10] __sys_sendmsg+0xcd/0x170 [ 806.704124][ T10] do_syscall_64+0xc6/0x1e0 [ 806.704124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.704124][ T10] [ 806.706642][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 806.706642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.706642][ T10] ipv6_find_idev+0x102/0x170 [ 806.706642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.706642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.706642][ T10] netlink_rcv_skb+0x130/0x360 [ 806.706642][ T10] netlink_unicast+0x449/0x710 [ 806.706642][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.706642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.706642][ T10] ___sys_sendmsg+0xee/0x170 [ 806.706642][ T10] __sys_sendmsg+0xcd/0x170 [ 806.706642][ T10] do_syscall_64+0xc6/0x1e0 [ 806.706642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.706642][ T10] [ 806.708975][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 806.708975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.708975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.708975][ T10] ipv6_find_idev+0x102/0x170 [ 806.708975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.708975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.708975][ T10] netlink_rcv_skb+0x130/0x360 [ 806.708975][ T10] netlink_unicast+0x449/0x710 [ 806.708975][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.708975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.708975][ T10] ___sys_sendmsg+0xee/0x170 [ 806.708975][ T10] __sys_sendmsg+0xcd/0x170 [ 806.708975][ T10] do_syscall_64+0xc6/0x1e0 [ 806.708975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.708975][ T10] [ 806.711593][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 806.712019][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 806.712019][ T10] netdev_get_by_index+0x5e/0x80 [ 806.712019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.712019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.712019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.712019][ T10] ipv6_add_addr+0x411/0x2000 [ 806.712019][ T10] inet6_addr_add+0x30e/0xa40 [ 806.712019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.712019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.712019][ T10] netlink_rcv_skb+0x130/0x360 [ 806.712019][ T10] netlink_unicast+0x449/0x710 [ 806.712019][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.712019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.712019][ T10] ___sys_sendmsg+0xee/0x170 [ 806.712019][ T10] __sys_sendmsg+0xcd/0x170 [ 806.712019][ T10] do_syscall_64+0xc6/0x1e0 [ 806.712019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.712019][ T10] [ 806.714924][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 806.714924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.714924][ T10] ipv6_find_idev+0x102/0x170 [ 806.714924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.714924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.714924][ T10] netlink_rcv_skb+0x130/0x360 [ 806.714924][ T10] netlink_unicast+0x449/0x710 [ 806.714924][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.714924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.714924][ T10] ___sys_sendmsg+0xee/0x170 [ 806.714924][ T10] __sys_sendmsg+0xcd/0x170 [ 806.714924][ T10] do_syscall_64+0xc6/0x1e0 [ 806.714924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.714924][ T10] [ 806.717372][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 806.717372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.717372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.717372][ T10] ipv6_find_idev+0x102/0x170 [ 806.717372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.717372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.717372][ T10] netlink_rcv_skb+0x130/0x360 [ 806.717372][ T10] netlink_unicast+0x449/0x710 [ 806.717372][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.717372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.717372][ T10] ___sys_sendmsg+0xee/0x170 [ 806.717372][ T10] __sys_sendmsg+0xcd/0x170 [ 806.717372][ T10] do_syscall_64+0xc6/0x1e0 [ 806.717372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.717372][ T10] [ 806.720509][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 806.721053][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 806.721053][ T10] netdev_get_by_index+0x5e/0x80 [ 806.721053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.721053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.721053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.721053][ T10] ipv6_add_addr+0x411/0x2000 [ 806.721053][ T10] inet6_addr_add+0x30e/0xa40 [ 806.721053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.721053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.721053][ T10] netlink_rcv_skb+0x130/0x360 [ 806.721053][ T10] netlink_unicast+0x449/0x710 [ 806.721053][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.721053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.721053][ T10] ___sys_sendmsg+0xee/0x170 [ 806.721053][ T10] __sys_sendmsg+0xcd/0x170 [ 806.721053][ T10] do_syscall_64+0xc6/0x1e0 [ 806.721053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.721053][ T10] [ 806.724402][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 806.724402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.724402][ T10] ipv6_find_idev+0x102/0x170 [ 806.724402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.724402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.724402][ T10] netlink_rcv_skb+0x130/0x360 [ 806.724402][ T10] netlink_unicast+0x449/0x710 [ 806.724402][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.724402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.724402][ T10] ___sys_sendmsg+0xee/0x170 [ 806.724402][ T10] __sys_sendmsg+0xcd/0x170 [ 806.724402][ T10] do_syscall_64+0xc6/0x1e0 [ 806.724402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.724402][ T10] [ 806.727120][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 806.727120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.727120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.727120][ T10] ipv6_find_idev+0x102/0x170 [ 806.727120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.727120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.727120][ T10] netlink_rcv_skb+0x130/0x360 [ 806.727120][ T10] netlink_unicast+0x449/0x710 [ 806.727120][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.727120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.727120][ T10] ___sys_sendmsg+0xee/0x170 [ 806.727120][ T10] __sys_sendmsg+0xcd/0x170 [ 806.727120][ T10] do_syscall_64+0xc6/0x1e0 [ 806.727120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.727120][ T10] [ 806.730274][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 806.730794][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 806.730794][ T10] netdev_get_by_index+0x5e/0x80 [ 806.730794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 806.730794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 806.730794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 806.730794][ T10] ipv6_add_addr+0x411/0x2000 [ 806.730794][ T10] inet6_addr_add+0x30e/0xa40 [ 806.730794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 806.730794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.730794][ T10] netlink_rcv_skb+0x130/0x360 [ 806.730794][ T10] netlink_unicast+0x449/0x710 [ 806.730794][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.730794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.730794][ T10] ___sys_sendmsg+0xee/0x170 [ 806.730794][ T10] __sys_sendmsg+0xcd/0x170 [ 806.730794][ T10] do_syscall_64+0xc6/0x1e0 [ 806.730794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.730794][ T10] [ 806.734210][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 806.734210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 806.734210][ T10] ipv6_find_idev+0x102/0x170 [ 806.734210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.734210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.734210][ T10] netlink_rcv_skb+0x130/0x360 [ 806.734210][ T10] netlink_unicast+0x449/0x710 [ 806.734210][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.734210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.734210][ T10] ___sys_sendmsg+0xee/0x170 [ 806.734210][ T10] __sys_sendmsg+0xcd/0x170 [ 806.734210][ T10] do_syscall_64+0xc6/0x1e0 [ 806.734210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.734210][ T10] [ 806.737011][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 806.737011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 806.737011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 806.737011][ T10] ipv6_find_idev+0x102/0x170 [ 806.737011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 806.737011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 806.737011][ T10] netlink_rcv_skb+0x130/0x360 [ 806.737011][ T10] netlink_unicast+0x449/0x710 [ 806.737011][ T10] netlink_sendmsg+0x723/0xbe0 [ 806.737011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 806.737011][ T10] ___sys_sendmsg+0xee/0x170 [ 806.737011][ T10] __sys_sendmsg+0xcd/0x170 [ 806.737011][ T10] do_syscall_64+0xc6/0x1e0 [ 806.737011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 806.737011][ T10] [ 816.957917][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 816.958400][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 816.958400][ T10] netdev_get_by_index+0x5e/0x80 [ 816.958400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.958400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.958400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.958400][ T10] ipv6_add_addr+0x411/0x2000 [ 816.958400][ T10] inet6_addr_add+0x30e/0xa40 [ 816.958400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.958400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.958400][ T10] netlink_rcv_skb+0x130/0x360 [ 816.958400][ T10] netlink_unicast+0x449/0x710 [ 816.958400][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.958400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.958400][ T10] ___sys_sendmsg+0xee/0x170 [ 816.958400][ T10] __sys_sendmsg+0xcd/0x170 [ 816.958400][ T10] do_syscall_64+0xc6/0x1e0 [ 816.958400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.958400][ T10] [ 816.960411][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 816.960411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 816.960411][ T10] ipv6_find_idev+0x102/0x170 [ 816.960411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.960411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.960411][ T10] netlink_rcv_skb+0x130/0x360 [ 816.960411][ T10] netlink_unicast+0x449/0x710 [ 816.960411][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.960411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.960411][ T10] ___sys_sendmsg+0xee/0x170 [ 816.960411][ T10] __sys_sendmsg+0xcd/0x170 [ 816.960411][ T10] do_syscall_64+0xc6/0x1e0 [ 816.960411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.960411][ T10] [ 816.961977][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 816.961977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 816.961977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 816.961977][ T10] ipv6_find_idev+0x102/0x170 [ 816.961977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.961977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.961977][ T10] netlink_rcv_skb+0x130/0x360 [ 816.961977][ T10] netlink_unicast+0x449/0x710 [ 816.961977][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.961977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.961977][ T10] ___sys_sendmsg+0xee/0x170 [ 816.961977][ T10] __sys_sendmsg+0xcd/0x170 [ 816.961977][ T10] do_syscall_64+0xc6/0x1e0 [ 816.961977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.961977][ T10] [ 816.963663][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 816.963947][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 816.963947][ T10] netdev_get_by_index+0x5e/0x80 [ 816.963947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.963947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.963947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.963947][ T10] ipv6_add_addr+0x411/0x2000 [ 816.963947][ T10] inet6_addr_add+0x30e/0xa40 [ 816.963947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.963947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.963947][ T10] netlink_rcv_skb+0x130/0x360 [ 816.963947][ T10] netlink_unicast+0x449/0x710 [ 816.963947][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.963947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.963947][ T10] ___sys_sendmsg+0xee/0x170 [ 816.963947][ T10] __sys_sendmsg+0xcd/0x170 [ 816.963947][ T10] do_syscall_64+0xc6/0x1e0 [ 816.963947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.963947][ T10] [ 816.965925][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 816.965925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 816.965925][ T10] ipv6_find_idev+0x102/0x170 [ 816.965925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.965925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.965925][ T10] netlink_rcv_skb+0x130/0x360 [ 816.965925][ T10] netlink_unicast+0x449/0x710 [ 816.965925][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.965925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.965925][ T10] ___sys_sendmsg+0xee/0x170 [ 816.965925][ T10] __sys_sendmsg+0xcd/0x170 [ 816.965925][ T10] do_syscall_64+0xc6/0x1e0 [ 816.965925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.965925][ T10] [ 816.967841][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 816.967841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 816.967841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 816.967841][ T10] ipv6_find_idev+0x102/0x170 [ 816.967841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.967841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.967841][ T10] netlink_rcv_skb+0x130/0x360 [ 816.967841][ T10] netlink_unicast+0x449/0x710 [ 816.967841][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.967841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.967841][ T10] ___sys_sendmsg+0xee/0x170 [ 816.967841][ T10] __sys_sendmsg+0xcd/0x170 [ 816.967841][ T10] do_syscall_64+0xc6/0x1e0 [ 816.967841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.967841][ T10] [ 816.969517][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 816.969778][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 816.969778][ T10] netdev_get_by_index+0x5e/0x80 [ 816.969778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.969778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.969778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.969778][ T10] ipv6_add_addr+0x411/0x2000 [ 816.969778][ T10] inet6_addr_add+0x30e/0xa40 [ 816.969778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.969778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.969778][ T10] netlink_rcv_skb+0x130/0x360 [ 816.969778][ T10] netlink_unicast+0x449/0x710 [ 816.969778][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.969778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.969778][ T10] ___sys_sendmsg+0xee/0x170 [ 816.969778][ T10] __sys_sendmsg+0xcd/0x170 [ 816.969778][ T10] do_syscall_64+0xc6/0x1e0 [ 816.969778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.969778][ T10] [ 816.971759][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 816.971759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 816.971759][ T10] ipv6_find_idev+0x102/0x170 [ 816.971759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.971759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.971759][ T10] netlink_rcv_skb+0x130/0x360 [ 816.971759][ T10] netlink_unicast+0x449/0x710 [ 816.971759][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.971759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.971759][ T10] ___sys_sendmsg+0xee/0x170 [ 816.971759][ T10] __sys_sendmsg+0xcd/0x170 [ 816.971759][ T10] do_syscall_64+0xc6/0x1e0 [ 816.971759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.971759][ T10] [ 816.973291][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 816.973291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 816.973291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 816.973291][ T10] ipv6_find_idev+0x102/0x170 [ 816.973291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.973291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.973291][ T10] netlink_rcv_skb+0x130/0x360 [ 816.973291][ T10] netlink_unicast+0x449/0x710 [ 816.973291][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.973291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.973291][ T10] ___sys_sendmsg+0xee/0x170 [ 816.973291][ T10] __sys_sendmsg+0xcd/0x170 [ 816.973291][ T10] do_syscall_64+0xc6/0x1e0 [ 816.973291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.973291][ T10] [ 816.974956][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 816.975217][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 816.975217][ T10] netdev_get_by_index+0x5e/0x80 [ 816.975217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.975217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.975217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.975217][ T10] ipv6_add_addr+0x411/0x2000 [ 816.975217][ T10] inet6_addr_add+0x30e/0xa40 [ 816.975217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.975217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.975217][ T10] netlink_rcv_skb+0x130/0x360 [ 816.975217][ T10] netlink_unicast+0x449/0x710 [ 816.975217][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.975217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.975217][ T10] ___sys_sendmsg+0xee/0x170 [ 816.975217][ T10] __sys_sendmsg+0xcd/0x170 [ 816.975217][ T10] do_syscall_64+0xc6/0x1e0 [ 816.975217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.975217][ T10] [ 816.977189][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 816.977189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 816.977189][ T10] ipv6_find_idev+0x102/0x170 [ 816.977189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.977189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.977189][ T10] netlink_rcv_skb+0x130/0x360 [ 816.977189][ T10] netlink_unicast+0x449/0x710 [ 816.977189][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.977189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.977189][ T10] ___sys_sendmsg+0xee/0x170 [ 816.977189][ T10] __sys_sendmsg+0xcd/0x170 [ 816.977189][ T10] do_syscall_64+0xc6/0x1e0 [ 816.977189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.977189][ T10] [ 816.978726][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 816.978726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 816.978726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 816.978726][ T10] ipv6_find_idev+0x102/0x170 [ 816.978726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.978726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.978726][ T10] netlink_rcv_skb+0x130/0x360 [ 816.978726][ T10] netlink_unicast+0x449/0x710 [ 816.978726][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.978726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.978726][ T10] ___sys_sendmsg+0xee/0x170 [ 816.978726][ T10] __sys_sendmsg+0xcd/0x170 [ 816.978726][ T10] do_syscall_64+0xc6/0x1e0 [ 816.978726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.978726][ T10] [ 816.980925][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 816.981198][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 816.981198][ T10] netdev_get_by_index+0x5e/0x80 [ 816.981198][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.981198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.981198][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.981198][ T10] ipv6_add_addr+0x411/0x2000 [ 816.981198][ T10] inet6_addr_add+0x30e/0xa40 [ 816.981198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.981198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.981198][ T10] netlink_rcv_skb+0x130/0x360 [ 816.981198][ T10] netlink_unicast+0x449/0x710 [ 816.981198][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.981198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.981198][ T10] ___sys_sendmsg+0xee/0x170 [ 816.981198][ T10] __sys_sendmsg+0xcd/0x170 [ 816.981198][ T10] do_syscall_64+0xc6/0x1e0 [ 816.981198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.981198][ T10] [ 816.983166][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 816.983166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 816.983166][ T10] ipv6_find_idev+0x102/0x170 [ 816.983166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.983166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.983166][ T10] netlink_rcv_skb+0x130/0x360 [ 816.983166][ T10] netlink_unicast+0x449/0x710 [ 816.983166][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.983166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.983166][ T10] ___sys_sendmsg+0xee/0x170 [ 816.983166][ T10] __sys_sendmsg+0xcd/0x170 [ 816.983166][ T10] do_syscall_64+0xc6/0x1e0 [ 816.983166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.983166][ T10] [ 816.984698][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 816.984698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 816.984698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 816.984698][ T10] ipv6_find_idev+0x102/0x170 [ 816.984698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.984698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.984698][ T10] netlink_rcv_skb+0x130/0x360 [ 816.984698][ T10] netlink_unicast+0x449/0x710 [ 816.984698][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.984698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.984698][ T10] ___sys_sendmsg+0xee/0x170 [ 816.984698][ T10] __sys_sendmsg+0xcd/0x170 [ 816.984698][ T10] do_syscall_64+0xc6/0x1e0 [ 816.984698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.984698][ T10] [ 816.986404][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 816.986663][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 816.986663][ T10] netdev_get_by_index+0x5e/0x80 [ 816.986663][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.986663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.986663][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.986663][ T10] ipv6_add_addr+0x411/0x2000 [ 816.986663][ T10] inet6_addr_add+0x30e/0xa40 [ 816.986663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.986663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.986663][ T10] netlink_rcv_skb+0x130/0x360 [ 816.986663][ T10] netlink_unicast+0x449/0x710 [ 816.986663][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.986663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.986663][ T10] ___sys_sendmsg+0xee/0x170 [ 816.986663][ T10] __sys_sendmsg+0xcd/0x170 [ 816.986663][ T10] do_syscall_64+0xc6/0x1e0 [ 816.986663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.986663][ T10] [ 816.988772][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 816.988772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 816.988772][ T10] ipv6_find_idev+0x102/0x170 [ 816.988772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.988772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.988772][ T10] netlink_rcv_skb+0x130/0x360 [ 816.988772][ T10] netlink_unicast+0x449/0x710 [ 816.988772][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.988772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.988772][ T10] ___sys_sendmsg+0xee/0x170 [ 816.988772][ T10] __sys_sendmsg+0xcd/0x170 [ 816.988772][ T10] do_syscall_64+0xc6/0x1e0 [ 816.988772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.988772][ T10] [ 816.990470][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 816.990470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 816.990470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 816.990470][ T10] ipv6_find_idev+0x102/0x170 [ 816.990470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.990470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.990470][ T10] netlink_rcv_skb+0x130/0x360 [ 816.990470][ T10] netlink_unicast+0x449/0x710 [ 816.990470][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.990470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.990470][ T10] ___sys_sendmsg+0xee/0x170 [ 816.990470][ T10] __sys_sendmsg+0xcd/0x170 [ 816.990470][ T10] do_syscall_64+0xc6/0x1e0 [ 816.990470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.990470][ T10] [ 816.992357][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 816.992620][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 816.992620][ T10] netdev_get_by_index+0x5e/0x80 [ 816.992620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.992620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.992620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.992620][ T10] ipv6_add_addr+0x411/0x2000 [ 816.992620][ T10] inet6_addr_add+0x30e/0xa40 [ 816.992620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.992620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.992620][ T10] netlink_rcv_skb+0x130/0x360 [ 816.992620][ T10] netlink_unicast+0x449/0x710 [ 816.992620][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.992620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.992620][ T10] ___sys_sendmsg+0xee/0x170 [ 816.992620][ T10] __sys_sendmsg+0xcd/0x170 [ 816.992620][ T10] do_syscall_64+0xc6/0x1e0 [ 816.992620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.992620][ T10] [ 816.994776][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 816.994776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 816.994776][ T10] ipv6_find_idev+0x102/0x170 [ 816.994776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.994776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.994776][ T10] netlink_rcv_skb+0x130/0x360 [ 816.994776][ T10] netlink_unicast+0x449/0x710 [ 816.994776][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.994776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.994776][ T10] ___sys_sendmsg+0xee/0x170 [ 816.994776][ T10] __sys_sendmsg+0xcd/0x170 [ 816.994776][ T10] do_syscall_64+0xc6/0x1e0 [ 816.994776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.994776][ T10] [ 816.996533][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 816.996533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 816.996533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 816.996533][ T10] ipv6_find_idev+0x102/0x170 [ 816.996533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 816.996533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.996533][ T10] netlink_rcv_skb+0x130/0x360 [ 816.996533][ T10] netlink_unicast+0x449/0x710 [ 816.996533][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.996533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.996533][ T10] ___sys_sendmsg+0xee/0x170 [ 816.996533][ T10] __sys_sendmsg+0xcd/0x170 [ 816.996533][ T10] do_syscall_64+0xc6/0x1e0 [ 816.996533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.996533][ T10] [ 816.998418][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 816.998675][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 816.998675][ T10] netdev_get_by_index+0x5e/0x80 [ 816.998675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 816.998675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 816.998675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 816.998675][ T10] ipv6_add_addr+0x411/0x2000 [ 816.998675][ T10] inet6_addr_add+0x30e/0xa40 [ 816.998675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 816.998675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 816.998675][ T10] netlink_rcv_skb+0x130/0x360 [ 816.998675][ T10] netlink_unicast+0x449/0x710 [ 816.998675][ T10] netlink_sendmsg+0x723/0xbe0 [ 816.998675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 816.998675][ T10] ___sys_sendmsg+0xee/0x170 [ 816.998675][ T10] __sys_sendmsg+0xcd/0x170 [ 816.998675][ T10] do_syscall_64+0xc6/0x1e0 [ 816.998675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 816.998675][ T10] [ 817.000888][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 817.000888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.000888][ T10] ipv6_find_idev+0x102/0x170 [ 817.000888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.000888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.000888][ T10] netlink_rcv_skb+0x130/0x360 [ 817.000888][ T10] netlink_unicast+0x449/0x710 [ 817.000888][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.000888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.000888][ T10] ___sys_sendmsg+0xee/0x170 [ 817.000888][ T10] __sys_sendmsg+0xcd/0x170 [ 817.000888][ T10] do_syscall_64+0xc6/0x1e0 [ 817.000888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.000888][ T10] [ 817.002585][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 817.002585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.002585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.002585][ T10] ipv6_find_idev+0x102/0x170 [ 817.002585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.002585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.002585][ T10] netlink_rcv_skb+0x130/0x360 [ 817.002585][ T10] netlink_unicast+0x449/0x710 [ 817.002585][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.002585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.002585][ T10] ___sys_sendmsg+0xee/0x170 [ 817.002585][ T10] __sys_sendmsg+0xcd/0x170 [ 817.002585][ T10] do_syscall_64+0xc6/0x1e0 [ 817.002585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.002585][ T10] [ 827.246036][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 827.246639][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 827.246639][ T10] netdev_get_by_index+0x5e/0x80 [ 827.246639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.246639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.246639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.246639][ T10] ipv6_add_addr+0x411/0x2000 [ 827.246639][ T10] inet6_addr_add+0x30e/0xa40 [ 827.246639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.246639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.246639][ T10] netlink_rcv_skb+0x130/0x360 [ 827.246639][ T10] netlink_unicast+0x449/0x710 [ 827.246639][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.246639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.246639][ T10] ___sys_sendmsg+0xee/0x170 [ 827.246639][ T10] __sys_sendmsg+0xcd/0x170 [ 827.246639][ T10] do_syscall_64+0xc6/0x1e0 [ 827.246639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.246639][ T10] [ 827.248671][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 827.248671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.248671][ T10] ipv6_find_idev+0x102/0x170 [ 827.248671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.248671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.248671][ T10] netlink_rcv_skb+0x130/0x360 [ 827.248671][ T10] netlink_unicast+0x449/0x710 [ 827.248671][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.248671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.248671][ T10] ___sys_sendmsg+0xee/0x170 [ 827.248671][ T10] __sys_sendmsg+0xcd/0x170 [ 827.248671][ T10] do_syscall_64+0xc6/0x1e0 [ 827.248671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.248671][ T10] [ 827.250207][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 827.250207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.250207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.250207][ T10] ipv6_find_idev+0x102/0x170 [ 827.250207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.250207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.250207][ T10] netlink_rcv_skb+0x130/0x360 [ 827.250207][ T10] netlink_unicast+0x449/0x710 [ 827.250207][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.250207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.250207][ T10] ___sys_sendmsg+0xee/0x170 [ 827.250207][ T10] __sys_sendmsg+0xcd/0x170 [ 827.250207][ T10] do_syscall_64+0xc6/0x1e0 [ 827.250207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.250207][ T10] [ 827.251915][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 827.252188][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 827.252188][ T10] netdev_get_by_index+0x5e/0x80 [ 827.252188][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.252188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.252188][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.252188][ T10] ipv6_add_addr+0x411/0x2000 [ 827.252188][ T10] inet6_addr_add+0x30e/0xa40 [ 827.252188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.252188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.252188][ T10] netlink_rcv_skb+0x130/0x360 [ 827.252188][ T10] netlink_unicast+0x449/0x710 [ 827.252188][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.252188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.252188][ T10] ___sys_sendmsg+0xee/0x170 [ 827.252188][ T10] __sys_sendmsg+0xcd/0x170 [ 827.252188][ T10] do_syscall_64+0xc6/0x1e0 [ 827.252188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.252188][ T10] [ 827.254344][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 827.254344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.254344][ T10] ipv6_find_idev+0x102/0x170 [ 827.254344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.254344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.254344][ T10] netlink_rcv_skb+0x130/0x360 [ 827.254344][ T10] netlink_unicast+0x449/0x710 [ 827.254344][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.254344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.254344][ T10] ___sys_sendmsg+0xee/0x170 [ 827.254344][ T10] __sys_sendmsg+0xcd/0x170 [ 827.254344][ T10] do_syscall_64+0xc6/0x1e0 [ 827.254344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.254344][ T10] [ 827.255885][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 827.255885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.255885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.255885][ T10] ipv6_find_idev+0x102/0x170 [ 827.255885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.255885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.255885][ T10] netlink_rcv_skb+0x130/0x360 [ 827.255885][ T10] netlink_unicast+0x449/0x710 [ 827.255885][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.255885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.255885][ T10] ___sys_sendmsg+0xee/0x170 [ 827.255885][ T10] __sys_sendmsg+0xcd/0x170 [ 827.255885][ T10] do_syscall_64+0xc6/0x1e0 [ 827.255885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.255885][ T10] [ 827.257571][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 827.257856][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 827.257856][ T10] netdev_get_by_index+0x5e/0x80 [ 827.257856][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.257856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.257856][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.257856][ T10] ipv6_add_addr+0x411/0x2000 [ 827.257856][ T10] inet6_addr_add+0x30e/0xa40 [ 827.257856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.257856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.257856][ T10] netlink_rcv_skb+0x130/0x360 [ 827.257856][ T10] netlink_unicast+0x449/0x710 [ 827.257856][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.257856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.257856][ T10] ___sys_sendmsg+0xee/0x170 [ 827.257856][ T10] __sys_sendmsg+0xcd/0x170 [ 827.257856][ T10] do_syscall_64+0xc6/0x1e0 [ 827.257856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.257856][ T10] [ 827.259870][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 827.259870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.259870][ T10] ipv6_find_idev+0x102/0x170 [ 827.259870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.259870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.259870][ T10] netlink_rcv_skb+0x130/0x360 [ 827.259870][ T10] netlink_unicast+0x449/0x710 [ 827.259870][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.259870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.259870][ T10] ___sys_sendmsg+0xee/0x170 [ 827.259870][ T10] __sys_sendmsg+0xcd/0x170 [ 827.259870][ T10] do_syscall_64+0xc6/0x1e0 [ 827.259870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.259870][ T10] [ 827.261400][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 827.261400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.261400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.261400][ T10] ipv6_find_idev+0x102/0x170 [ 827.261400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.261400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.261400][ T10] netlink_rcv_skb+0x130/0x360 [ 827.261400][ T10] netlink_unicast+0x449/0x710 [ 827.261400][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.261400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.261400][ T10] ___sys_sendmsg+0xee/0x170 [ 827.261400][ T10] __sys_sendmsg+0xcd/0x170 [ 827.261400][ T10] do_syscall_64+0xc6/0x1e0 [ 827.261400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.261400][ T10] [ 827.263073][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 827.263340][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 827.263340][ T10] netdev_get_by_index+0x5e/0x80 [ 827.263340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.263340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.263340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.263340][ T10] ipv6_add_addr+0x411/0x2000 [ 827.263340][ T10] inet6_addr_add+0x30e/0xa40 [ 827.263340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.263340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.263340][ T10] netlink_rcv_skb+0x130/0x360 [ 827.263340][ T10] netlink_unicast+0x449/0x710 [ 827.263340][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.263340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.263340][ T10] ___sys_sendmsg+0xee/0x170 [ 827.263340][ T10] __sys_sendmsg+0xcd/0x170 [ 827.263340][ T10] do_syscall_64+0xc6/0x1e0 [ 827.263340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.263340][ T10] [ 827.265329][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 827.265329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.265329][ T10] ipv6_find_idev+0x102/0x170 [ 827.265329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.265329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.265329][ T10] netlink_rcv_skb+0x130/0x360 [ 827.265329][ T10] netlink_unicast+0x449/0x710 [ 827.265329][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.265329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.265329][ T10] ___sys_sendmsg+0xee/0x170 [ 827.265329][ T10] __sys_sendmsg+0xcd/0x170 [ 827.265329][ T10] do_syscall_64+0xc6/0x1e0 [ 827.265329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.265329][ T10] [ 827.266867][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 827.266867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.266867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.266867][ T10] ipv6_find_idev+0x102/0x170 [ 827.266867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.266867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.266867][ T10] netlink_rcv_skb+0x130/0x360 [ 827.266867][ T10] netlink_unicast+0x449/0x710 [ 827.266867][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.266867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.266867][ T10] ___sys_sendmsg+0xee/0x170 [ 827.266867][ T10] __sys_sendmsg+0xcd/0x170 [ 827.266867][ T10] do_syscall_64+0xc6/0x1e0 [ 827.266867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.266867][ T10] [ 827.268616][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 827.268940][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 827.268940][ T10] netdev_get_by_index+0x5e/0x80 [ 827.268940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.268940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.268940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.268940][ T10] ipv6_add_addr+0x411/0x2000 [ 827.268940][ T10] inet6_addr_add+0x30e/0xa40 [ 827.268940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.268940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.268940][ T10] netlink_rcv_skb+0x130/0x360 [ 827.268940][ T10] netlink_unicast+0x449/0x710 [ 827.268940][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.268940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.268940][ T10] ___sys_sendmsg+0xee/0x170 [ 827.268940][ T10] __sys_sendmsg+0xcd/0x170 [ 827.268940][ T10] do_syscall_64+0xc6/0x1e0 [ 827.268940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.268940][ T10] [ 827.270920][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 827.270920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.270920][ T10] ipv6_find_idev+0x102/0x170 [ 827.270920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.270920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.270920][ T10] netlink_rcv_skb+0x130/0x360 [ 827.270920][ T10] netlink_unicast+0x449/0x710 [ 827.270920][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.270920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.270920][ T10] ___sys_sendmsg+0xee/0x170 [ 827.270920][ T10] __sys_sendmsg+0xcd/0x170 [ 827.270920][ T10] do_syscall_64+0xc6/0x1e0 [ 827.270920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.270920][ T10] [ 827.272481][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 827.272481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.272481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.272481][ T10] ipv6_find_idev+0x102/0x170 [ 827.272481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.272481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.272481][ T10] netlink_rcv_skb+0x130/0x360 [ 827.272481][ T10] netlink_unicast+0x449/0x710 [ 827.272481][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.272481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.272481][ T10] ___sys_sendmsg+0xee/0x170 [ 827.272481][ T10] __sys_sendmsg+0xcd/0x170 [ 827.272481][ T10] do_syscall_64+0xc6/0x1e0 [ 827.272481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.272481][ T10] [ 827.274369][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 827.274632][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 827.274632][ T10] netdev_get_by_index+0x5e/0x80 [ 827.274632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.274632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.274632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.274632][ T10] ipv6_add_addr+0x411/0x2000 [ 827.274632][ T10] inet6_addr_add+0x30e/0xa40 [ 827.274632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.274632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.274632][ T10] netlink_rcv_skb+0x130/0x360 [ 827.274632][ T10] netlink_unicast+0x449/0x710 [ 827.274632][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.274632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.274632][ T10] ___sys_sendmsg+0xee/0x170 [ 827.274632][ T10] __sys_sendmsg+0xcd/0x170 [ 827.274632][ T10] do_syscall_64+0xc6/0x1e0 [ 827.274632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.274632][ T10] [ 827.276841][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 827.276841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.276841][ T10] ipv6_find_idev+0x102/0x170 [ 827.276841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.276841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.276841][ T10] netlink_rcv_skb+0x130/0x360 [ 827.276841][ T10] netlink_unicast+0x449/0x710 [ 827.276841][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.276841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.276841][ T10] ___sys_sendmsg+0xee/0x170 [ 827.276841][ T10] __sys_sendmsg+0xcd/0x170 [ 827.276841][ T10] do_syscall_64+0xc6/0x1e0 [ 827.276841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.276841][ T10] [ 827.278554][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 827.278554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.278554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.278554][ T10] ipv6_find_idev+0x102/0x170 [ 827.278554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.278554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.278554][ T10] netlink_rcv_skb+0x130/0x360 [ 827.278554][ T10] netlink_unicast+0x449/0x710 [ 827.278554][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.278554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.278554][ T10] ___sys_sendmsg+0xee/0x170 [ 827.278554][ T10] __sys_sendmsg+0xcd/0x170 [ 827.278554][ T10] do_syscall_64+0xc6/0x1e0 [ 827.278554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.278554][ T10] [ 827.280434][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 827.280701][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 827.280701][ T10] netdev_get_by_index+0x5e/0x80 [ 827.280701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.280701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.280701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.280701][ T10] ipv6_add_addr+0x411/0x2000 [ 827.280701][ T10] inet6_addr_add+0x30e/0xa40 [ 827.280701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.280701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.280701][ T10] netlink_rcv_skb+0x130/0x360 [ 827.280701][ T10] netlink_unicast+0x449/0x710 [ 827.280701][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.280701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.280701][ T10] ___sys_sendmsg+0xee/0x170 [ 827.280701][ T10] __sys_sendmsg+0xcd/0x170 [ 827.280701][ T10] do_syscall_64+0xc6/0x1e0 [ 827.280701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.280701][ T10] [ 827.282980][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 827.282980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.282980][ T10] ipv6_find_idev+0x102/0x170 [ 827.282980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.282980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.282980][ T10] netlink_rcv_skb+0x130/0x360 [ 827.282980][ T10] netlink_unicast+0x449/0x710 [ 827.282980][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.282980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.282980][ T10] ___sys_sendmsg+0xee/0x170 [ 827.282980][ T10] __sys_sendmsg+0xcd/0x170 [ 827.282980][ T10] do_syscall_64+0xc6/0x1e0 [ 827.282980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.282980][ T10] [ 827.284714][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 827.284714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.284714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.284714][ T10] ipv6_find_idev+0x102/0x170 [ 827.284714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.284714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.284714][ T10] netlink_rcv_skb+0x130/0x360 [ 827.284714][ T10] netlink_unicast+0x449/0x710 [ 827.284714][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.284714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.284714][ T10] ___sys_sendmsg+0xee/0x170 [ 827.284714][ T10] __sys_sendmsg+0xcd/0x170 [ 827.284714][ T10] do_syscall_64+0xc6/0x1e0 [ 827.284714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.284714][ T10] [ 827.286594][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 827.286912][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 827.286912][ T10] netdev_get_by_index+0x5e/0x80 [ 827.286912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.286912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.286912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.286912][ T10] ipv6_add_addr+0x411/0x2000 [ 827.286912][ T10] inet6_addr_add+0x30e/0xa40 [ 827.286912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.286912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.286912][ T10] netlink_rcv_skb+0x130/0x360 [ 827.286912][ T10] netlink_unicast+0x449/0x710 [ 827.286912][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.286912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.286912][ T10] ___sys_sendmsg+0xee/0x170 [ 827.286912][ T10] __sys_sendmsg+0xcd/0x170 [ 827.286912][ T10] do_syscall_64+0xc6/0x1e0 [ 827.286912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.286912][ T10] [ 827.289065][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 827.289065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.289065][ T10] ipv6_find_idev+0x102/0x170 [ 827.289065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.289065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.289065][ T10] netlink_rcv_skb+0x130/0x360 [ 827.289065][ T10] netlink_unicast+0x449/0x710 [ 827.289065][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.289065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.289065][ T10] ___sys_sendmsg+0xee/0x170 [ 827.289065][ T10] __sys_sendmsg+0xcd/0x170 [ 827.289065][ T10] do_syscall_64+0xc6/0x1e0 [ 827.289065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.289065][ T10] [ 827.290768][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 827.290768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.290768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.290768][ T10] ipv6_find_idev+0x102/0x170 [ 827.290768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.290768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.290768][ T10] netlink_rcv_skb+0x130/0x360 [ 827.290768][ T10] netlink_unicast+0x449/0x710 [ 827.290768][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.290768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.290768][ T10] ___sys_sendmsg+0xee/0x170 [ 827.290768][ T10] __sys_sendmsg+0xcd/0x170 [ 827.290768][ T10] do_syscall_64+0xc6/0x1e0 [ 827.290768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.290768][ T10] [ 837.533975][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 837.534471][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 837.534471][ T10] netdev_get_by_index+0x5e/0x80 [ 837.534471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.534471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.534471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.534471][ T10] ipv6_add_addr+0x411/0x2000 [ 837.534471][ T10] inet6_addr_add+0x30e/0xa40 [ 837.534471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.534471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.534471][ T10] netlink_rcv_skb+0x130/0x360 [ 837.534471][ T10] netlink_unicast+0x449/0x710 [ 837.534471][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.534471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.534471][ T10] ___sys_sendmsg+0xee/0x170 [ 837.534471][ T10] __sys_sendmsg+0xcd/0x170 [ 837.534471][ T10] do_syscall_64+0xc6/0x1e0 [ 837.534471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.534471][ T10] [ 837.536484][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 837.536484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.536484][ T10] ipv6_find_idev+0x102/0x170 [ 837.536484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.536484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.536484][ T10] netlink_rcv_skb+0x130/0x360 [ 837.536484][ T10] netlink_unicast+0x449/0x710 [ 837.536484][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.536484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.536484][ T10] ___sys_sendmsg+0xee/0x170 [ 837.536484][ T10] __sys_sendmsg+0xcd/0x170 [ 837.536484][ T10] do_syscall_64+0xc6/0x1e0 [ 837.536484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.536484][ T10] [ 837.538023][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 837.538023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.538023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.538023][ T10] ipv6_find_idev+0x102/0x170 [ 837.538023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.538023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.538023][ T10] netlink_rcv_skb+0x130/0x360 [ 837.538023][ T10] netlink_unicast+0x449/0x710 [ 837.538023][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.538023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.538023][ T10] ___sys_sendmsg+0xee/0x170 [ 837.538023][ T10] __sys_sendmsg+0xcd/0x170 [ 837.538023][ T10] do_syscall_64+0xc6/0x1e0 [ 837.538023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.538023][ T10] [ 837.539708][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 837.539991][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 837.539991][ T10] netdev_get_by_index+0x5e/0x80 [ 837.539991][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.539991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.539991][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.539991][ T10] ipv6_add_addr+0x411/0x2000 [ 837.539991][ T10] inet6_addr_add+0x30e/0xa40 [ 837.539991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.539991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.539991][ T10] netlink_rcv_skb+0x130/0x360 [ 837.539991][ T10] netlink_unicast+0x449/0x710 [ 837.539991][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.539991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.539991][ T10] ___sys_sendmsg+0xee/0x170 [ 837.539991][ T10] __sys_sendmsg+0xcd/0x170 [ 837.539991][ T10] do_syscall_64+0xc6/0x1e0 [ 837.539991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.539991][ T10] [ 837.541967][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 837.541967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.541967][ T10] ipv6_find_idev+0x102/0x170 [ 837.541967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.541967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.541967][ T10] netlink_rcv_skb+0x130/0x360 [ 837.541967][ T10] netlink_unicast+0x449/0x710 [ 837.541967][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.541967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.541967][ T10] ___sys_sendmsg+0xee/0x170 [ 837.541967][ T10] __sys_sendmsg+0xcd/0x170 [ 837.541967][ T10] do_syscall_64+0xc6/0x1e0 [ 837.541967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.541967][ T10] [ 837.543493][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 837.543493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.543493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.543493][ T10] ipv6_find_idev+0x102/0x170 [ 837.543493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.543493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.543493][ T10] netlink_rcv_skb+0x130/0x360 [ 837.543493][ T10] netlink_unicast+0x449/0x710 [ 837.543493][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.543493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.543493][ T10] ___sys_sendmsg+0xee/0x170 [ 837.543493][ T10] __sys_sendmsg+0xcd/0x170 [ 837.543493][ T10] do_syscall_64+0xc6/0x1e0 [ 837.543493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.543493][ T10] [ 837.545173][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 837.545433][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 837.545433][ T10] netdev_get_by_index+0x5e/0x80 [ 837.545433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.545433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.545433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.545433][ T10] ipv6_add_addr+0x411/0x2000 [ 837.545433][ T10] inet6_addr_add+0x30e/0xa40 [ 837.545433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.545433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.545433][ T10] netlink_rcv_skb+0x130/0x360 [ 837.545433][ T10] netlink_unicast+0x449/0x710 [ 837.545433][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.545433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.545433][ T10] ___sys_sendmsg+0xee/0x170 [ 837.545433][ T10] __sys_sendmsg+0xcd/0x170 [ 837.545433][ T10] do_syscall_64+0xc6/0x1e0 [ 837.545433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.545433][ T10] [ 837.547410][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 837.547410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.547410][ T10] ipv6_find_idev+0x102/0x170 [ 837.547410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.547410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.547410][ T10] netlink_rcv_skb+0x130/0x360 [ 837.547410][ T10] netlink_unicast+0x449/0x710 [ 837.547410][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.547410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.547410][ T10] ___sys_sendmsg+0xee/0x170 [ 837.547410][ T10] __sys_sendmsg+0xcd/0x170 [ 837.547410][ T10] do_syscall_64+0xc6/0x1e0 [ 837.547410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.547410][ T10] [ 837.548966][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 837.548966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.548966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.548966][ T10] ipv6_find_idev+0x102/0x170 [ 837.548966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.548966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.548966][ T10] netlink_rcv_skb+0x130/0x360 [ 837.548966][ T10] netlink_unicast+0x449/0x710 [ 837.548966][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.548966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.548966][ T10] ___sys_sendmsg+0xee/0x170 [ 837.548966][ T10] __sys_sendmsg+0xcd/0x170 [ 837.548966][ T10] do_syscall_64+0xc6/0x1e0 [ 837.548966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.548966][ T10] [ 837.550631][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 837.551332][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 837.551332][ T10] netdev_get_by_index+0x5e/0x80 [ 837.551332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.551332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.551332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.551332][ T10] ipv6_add_addr+0x411/0x2000 [ 837.551332][ T10] inet6_addr_add+0x30e/0xa40 [ 837.551332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.551332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.551332][ T10] netlink_rcv_skb+0x130/0x360 [ 837.551332][ T10] netlink_unicast+0x449/0x710 [ 837.551332][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.551332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.551332][ T10] ___sys_sendmsg+0xee/0x170 [ 837.551332][ T10] __sys_sendmsg+0xcd/0x170 [ 837.551332][ T10] do_syscall_64+0xc6/0x1e0 [ 837.551332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.551332][ T10] [ 837.553312][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 837.553312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.553312][ T10] ipv6_find_idev+0x102/0x170 [ 837.553312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.553312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.553312][ T10] netlink_rcv_skb+0x130/0x360 [ 837.553312][ T10] netlink_unicast+0x449/0x710 [ 837.553312][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.553312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.553312][ T10] ___sys_sendmsg+0xee/0x170 [ 837.553312][ T10] __sys_sendmsg+0xcd/0x170 [ 837.553312][ T10] do_syscall_64+0xc6/0x1e0 [ 837.553312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.553312][ T10] [ 837.554842][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 837.554842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.554842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.554842][ T10] ipv6_find_idev+0x102/0x170 [ 837.554842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.554842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.554842][ T10] netlink_rcv_skb+0x130/0x360 [ 837.554842][ T10] netlink_unicast+0x449/0x710 [ 837.554842][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.554842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.554842][ T10] ___sys_sendmsg+0xee/0x170 [ 837.554842][ T10] __sys_sendmsg+0xcd/0x170 [ 837.554842][ T10] do_syscall_64+0xc6/0x1e0 [ 837.554842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.554842][ T10] [ 837.556545][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 837.556814][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 837.556814][ T10] netdev_get_by_index+0x5e/0x80 [ 837.556814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.556814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.556814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.556814][ T10] ipv6_add_addr+0x411/0x2000 [ 837.556814][ T10] inet6_addr_add+0x30e/0xa40 [ 837.556814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.556814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.556814][ T10] netlink_rcv_skb+0x130/0x360 [ 837.556814][ T10] netlink_unicast+0x449/0x710 [ 837.556814][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.556814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.556814][ T10] ___sys_sendmsg+0xee/0x170 [ 837.556814][ T10] __sys_sendmsg+0xcd/0x170 [ 837.556814][ T10] do_syscall_64+0xc6/0x1e0 [ 837.556814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.556814][ T10] [ 837.558793][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 837.558793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.558793][ T10] ipv6_find_idev+0x102/0x170 [ 837.558793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.558793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.558793][ T10] netlink_rcv_skb+0x130/0x360 [ 837.558793][ T10] netlink_unicast+0x449/0x710 [ 837.558793][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.558793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.558793][ T10] ___sys_sendmsg+0xee/0x170 [ 837.558793][ T10] __sys_sendmsg+0xcd/0x170 [ 837.558793][ T10] do_syscall_64+0xc6/0x1e0 [ 837.558793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.558793][ T10] [ 837.560316][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 837.560316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.560316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.560316][ T10] ipv6_find_idev+0x102/0x170 [ 837.560316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.560316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.560316][ T10] netlink_rcv_skb+0x130/0x360 [ 837.560316][ T10] netlink_unicast+0x449/0x710 [ 837.560316][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.560316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.560316][ T10] ___sys_sendmsg+0xee/0x170 [ 837.560316][ T10] __sys_sendmsg+0xcd/0x170 [ 837.560316][ T10] do_syscall_64+0xc6/0x1e0 [ 837.560316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.560316][ T10] [ 837.562027][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 837.562304][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 837.562304][ T10] netdev_get_by_index+0x5e/0x80 [ 837.562304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.562304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.562304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.562304][ T10] ipv6_add_addr+0x411/0x2000 [ 837.562304][ T10] inet6_addr_add+0x30e/0xa40 [ 837.562304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.562304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.562304][ T10] netlink_rcv_skb+0x130/0x360 [ 837.562304][ T10] netlink_unicast+0x449/0x710 [ 837.562304][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.562304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.562304][ T10] ___sys_sendmsg+0xee/0x170 [ 837.562304][ T10] __sys_sendmsg+0xcd/0x170 [ 837.562304][ T10] do_syscall_64+0xc6/0x1e0 [ 837.562304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.562304][ T10] [ 837.564346][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 837.564346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.564346][ T10] ipv6_find_idev+0x102/0x170 [ 837.564346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.564346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.564346][ T10] netlink_rcv_skb+0x130/0x360 [ 837.564346][ T10] netlink_unicast+0x449/0x710 [ 837.564346][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.564346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.564346][ T10] ___sys_sendmsg+0xee/0x170 [ 837.564346][ T10] __sys_sendmsg+0xcd/0x170 [ 837.564346][ T10] do_syscall_64+0xc6/0x1e0 [ 837.564346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.564346][ T10] [ 837.565993][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 837.565993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.565993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.565993][ T10] ipv6_find_idev+0x102/0x170 [ 837.565993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.565993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.565993][ T10] netlink_rcv_skb+0x130/0x360 [ 837.565993][ T10] netlink_unicast+0x449/0x710 [ 837.565993][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.565993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.565993][ T10] ___sys_sendmsg+0xee/0x170 [ 837.565993][ T10] __sys_sendmsg+0xcd/0x170 [ 837.565993][ T10] do_syscall_64+0xc6/0x1e0 [ 837.565993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.565993][ T10] [ 837.567840][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 837.568105][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 837.568105][ T10] netdev_get_by_index+0x5e/0x80 [ 837.568105][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.568105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.568105][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.568105][ T10] ipv6_add_addr+0x411/0x2000 [ 837.568105][ T10] inet6_addr_add+0x30e/0xa40 [ 837.568105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.568105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.568105][ T10] netlink_rcv_skb+0x130/0x360 [ 837.568105][ T10] netlink_unicast+0x449/0x710 [ 837.568105][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.568105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.568105][ T10] ___sys_sendmsg+0xee/0x170 [ 837.568105][ T10] __sys_sendmsg+0xcd/0x170 [ 837.568105][ T10] do_syscall_64+0xc6/0x1e0 [ 837.568105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.568105][ T10] [ 837.570204][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 837.570204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.570204][ T10] ipv6_find_idev+0x102/0x170 [ 837.570204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.570204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.570204][ T10] netlink_rcv_skb+0x130/0x360 [ 837.570204][ T10] netlink_unicast+0x449/0x710 [ 837.570204][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.570204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.570204][ T10] ___sys_sendmsg+0xee/0x170 [ 837.570204][ T10] __sys_sendmsg+0xcd/0x170 [ 837.570204][ T10] do_syscall_64+0xc6/0x1e0 [ 837.570204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.570204][ T10] [ 837.571796][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 837.571796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.571796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.571796][ T10] ipv6_find_idev+0x102/0x170 [ 837.571796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.571796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.571796][ T10] netlink_rcv_skb+0x130/0x360 [ 837.571796][ T10] netlink_unicast+0x449/0x710 [ 837.571796][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.571796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.571796][ T10] ___sys_sendmsg+0xee/0x170 [ 837.571796][ T10] __sys_sendmsg+0xcd/0x170 [ 837.571796][ T10] do_syscall_64+0xc6/0x1e0 [ 837.571796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.571796][ T10] [ 837.573633][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 837.573956][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 837.573956][ T10] netdev_get_by_index+0x5e/0x80 [ 837.573956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.573956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.573956][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.573956][ T10] ipv6_add_addr+0x411/0x2000 [ 837.573956][ T10] inet6_addr_add+0x30e/0xa40 [ 837.573956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.573956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.573956][ T10] netlink_rcv_skb+0x130/0x360 [ 837.573956][ T10] netlink_unicast+0x449/0x710 [ 837.573956][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.573956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.573956][ T10] ___sys_sendmsg+0xee/0x170 [ 837.573956][ T10] __sys_sendmsg+0xcd/0x170 [ 837.573956][ T10] do_syscall_64+0xc6/0x1e0 [ 837.573956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.573956][ T10] [ 837.576022][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 837.576022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.576022][ T10] ipv6_find_idev+0x102/0x170 [ 837.576022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.576022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.576022][ T10] netlink_rcv_skb+0x130/0x360 [ 837.576022][ T10] netlink_unicast+0x449/0x710 [ 837.576022][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.576022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.576022][ T10] ___sys_sendmsg+0xee/0x170 [ 837.576022][ T10] __sys_sendmsg+0xcd/0x170 [ 837.576022][ T10] do_syscall_64+0xc6/0x1e0 [ 837.576022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.576022][ T10] [ 837.577669][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 837.577669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.577669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.577669][ T10] ipv6_find_idev+0x102/0x170 [ 837.577669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.577669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.577669][ T10] netlink_rcv_skb+0x130/0x360 [ 837.577669][ T10] netlink_unicast+0x449/0x710 [ 837.577669][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.577669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.577669][ T10] ___sys_sendmsg+0xee/0x170 [ 837.577669][ T10] __sys_sendmsg+0xcd/0x170 [ 837.577669][ T10] do_syscall_64+0xc6/0x1e0 [ 837.577669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.577669][ T10] [ 847.797912][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 847.798417][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 847.798417][ T10] netdev_get_by_index+0x5e/0x80 [ 847.798417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.798417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.798417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.798417][ T10] ipv6_add_addr+0x411/0x2000 [ 847.798417][ T10] inet6_addr_add+0x30e/0xa40 [ 847.798417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.798417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.798417][ T10] netlink_rcv_skb+0x130/0x360 [ 847.798417][ T10] netlink_unicast+0x449/0x710 [ 847.798417][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.798417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.798417][ T10] ___sys_sendmsg+0xee/0x170 [ 847.798417][ T10] __sys_sendmsg+0xcd/0x170 [ 847.798417][ T10] do_syscall_64+0xc6/0x1e0 [ 847.798417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.798417][ T10] [ 847.800441][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 847.800441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.800441][ T10] ipv6_find_idev+0x102/0x170 [ 847.800441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.800441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.800441][ T10] netlink_rcv_skb+0x130/0x360 [ 847.800441][ T10] netlink_unicast+0x449/0x710 [ 847.800441][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.800441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.800441][ T10] ___sys_sendmsg+0xee/0x170 [ 847.800441][ T10] __sys_sendmsg+0xcd/0x170 [ 847.800441][ T10] do_syscall_64+0xc6/0x1e0 [ 847.800441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.800441][ T10] [ 847.801995][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 847.801995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.801995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.801995][ T10] ipv6_find_idev+0x102/0x170 [ 847.801995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.801995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.801995][ T10] netlink_rcv_skb+0x130/0x360 [ 847.801995][ T10] netlink_unicast+0x449/0x710 [ 847.801995][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.801995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.801995][ T10] ___sys_sendmsg+0xee/0x170 [ 847.801995][ T10] __sys_sendmsg+0xcd/0x170 [ 847.801995][ T10] do_syscall_64+0xc6/0x1e0 [ 847.801995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.801995][ T10] [ 847.803696][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 847.803992][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 847.803992][ T10] netdev_get_by_index+0x5e/0x80 [ 847.803992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.803992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.803992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.803992][ T10] ipv6_add_addr+0x411/0x2000 [ 847.803992][ T10] inet6_addr_add+0x30e/0xa40 [ 847.803992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.803992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.803992][ T10] netlink_rcv_skb+0x130/0x360 [ 847.803992][ T10] netlink_unicast+0x449/0x710 [ 847.803992][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.803992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.803992][ T10] ___sys_sendmsg+0xee/0x170 [ 847.803992][ T10] __sys_sendmsg+0xcd/0x170 [ 847.803992][ T10] do_syscall_64+0xc6/0x1e0 [ 847.803992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.803992][ T10] [ 847.806009][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 847.806009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.806009][ T10] ipv6_find_idev+0x102/0x170 [ 847.806009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.806009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.806009][ T10] netlink_rcv_skb+0x130/0x360 [ 847.806009][ T10] netlink_unicast+0x449/0x710 [ 847.806009][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.806009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.806009][ T10] ___sys_sendmsg+0xee/0x170 [ 847.806009][ T10] __sys_sendmsg+0xcd/0x170 [ 847.806009][ T10] do_syscall_64+0xc6/0x1e0 [ 847.806009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.806009][ T10] [ 847.807563][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 847.807563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.807563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.807563][ T10] ipv6_find_idev+0x102/0x170 [ 847.807563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.807563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.807563][ T10] netlink_rcv_skb+0x130/0x360 [ 847.807563][ T10] netlink_unicast+0x449/0x710 [ 847.807563][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.807563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.807563][ T10] ___sys_sendmsg+0xee/0x170 [ 847.807563][ T10] __sys_sendmsg+0xcd/0x170 [ 847.807563][ T10] do_syscall_64+0xc6/0x1e0 [ 847.807563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.807563][ T10] [ 847.809268][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 847.809533][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 847.809533][ T10] netdev_get_by_index+0x5e/0x80 [ 847.809533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.809533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.809533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.809533][ T10] ipv6_add_addr+0x411/0x2000 [ 847.809533][ T10] inet6_addr_add+0x30e/0xa40 [ 847.809533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.809533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.809533][ T10] netlink_rcv_skb+0x130/0x360 [ 847.809533][ T10] netlink_unicast+0x449/0x710 [ 847.809533][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.809533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.809533][ T10] ___sys_sendmsg+0xee/0x170 [ 847.809533][ T10] __sys_sendmsg+0xcd/0x170 [ 847.809533][ T10] do_syscall_64+0xc6/0x1e0 [ 847.809533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.809533][ T10] [ 847.811545][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 847.811545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.811545][ T10] ipv6_find_idev+0x102/0x170 [ 847.811545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.811545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.811545][ T10] netlink_rcv_skb+0x130/0x360 [ 847.811545][ T10] netlink_unicast+0x449/0x710 [ 847.811545][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.811545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.811545][ T10] ___sys_sendmsg+0xee/0x170 [ 847.811545][ T10] __sys_sendmsg+0xcd/0x170 [ 847.811545][ T10] do_syscall_64+0xc6/0x1e0 [ 847.811545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.811545][ T10] [ 847.813095][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 847.813095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.813095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.813095][ T10] ipv6_find_idev+0x102/0x170 [ 847.813095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.813095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.813095][ T10] netlink_rcv_skb+0x130/0x360 [ 847.813095][ T10] netlink_unicast+0x449/0x710 [ 847.813095][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.813095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.813095][ T10] ___sys_sendmsg+0xee/0x170 [ 847.813095][ T10] __sys_sendmsg+0xcd/0x170 [ 847.813095][ T10] do_syscall_64+0xc6/0x1e0 [ 847.813095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.813095][ T10] [ 847.814791][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 847.815054][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 847.815054][ T10] netdev_get_by_index+0x5e/0x80 [ 847.815054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.815054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.815054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.815054][ T10] ipv6_add_addr+0x411/0x2000 [ 847.815054][ T10] inet6_addr_add+0x30e/0xa40 [ 847.815054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.815054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.815054][ T10] netlink_rcv_skb+0x130/0x360 [ 847.815054][ T10] netlink_unicast+0x449/0x710 [ 847.815054][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.815054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.815054][ T10] ___sys_sendmsg+0xee/0x170 [ 847.815054][ T10] __sys_sendmsg+0xcd/0x170 [ 847.815054][ T10] do_syscall_64+0xc6/0x1e0 [ 847.815054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.815054][ T10] [ 847.817066][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 847.817066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.817066][ T10] ipv6_find_idev+0x102/0x170 [ 847.817066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.817066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.817066][ T10] netlink_rcv_skb+0x130/0x360 [ 847.817066][ T10] netlink_unicast+0x449/0x710 [ 847.817066][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.817066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.817066][ T10] ___sys_sendmsg+0xee/0x170 [ 847.817066][ T10] __sys_sendmsg+0xcd/0x170 [ 847.817066][ T10] do_syscall_64+0xc6/0x1e0 [ 847.817066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.817066][ T10] [ 847.818618][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 847.818618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.818618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.818618][ T10] ipv6_find_idev+0x102/0x170 [ 847.818618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.818618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.818618][ T10] netlink_rcv_skb+0x130/0x360 [ 847.818618][ T10] netlink_unicast+0x449/0x710 [ 847.818618][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.818618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.818618][ T10] ___sys_sendmsg+0xee/0x170 [ 847.818618][ T10] __sys_sendmsg+0xcd/0x170 [ 847.818618][ T10] do_syscall_64+0xc6/0x1e0 [ 847.818618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.818618][ T10] [ 847.820714][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 847.821316][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 847.821316][ T10] netdev_get_by_index+0x5e/0x80 [ 847.821316][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.821316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.821316][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.821316][ T10] ipv6_add_addr+0x411/0x2000 [ 847.821316][ T10] inet6_addr_add+0x30e/0xa40 [ 847.821316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.821316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.821316][ T10] netlink_rcv_skb+0x130/0x360 [ 847.821316][ T10] netlink_unicast+0x449/0x710 [ 847.821316][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.821316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.821316][ T10] ___sys_sendmsg+0xee/0x170 [ 847.821316][ T10] __sys_sendmsg+0xcd/0x170 [ 847.821316][ T10] do_syscall_64+0xc6/0x1e0 [ 847.821316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.821316][ T10] [ 847.823313][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 847.823313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.823313][ T10] ipv6_find_idev+0x102/0x170 [ 847.823313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.823313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.823313][ T10] netlink_rcv_skb+0x130/0x360 [ 847.823313][ T10] netlink_unicast+0x449/0x710 [ 847.823313][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.823313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.823313][ T10] ___sys_sendmsg+0xee/0x170 [ 847.823313][ T10] __sys_sendmsg+0xcd/0x170 [ 847.823313][ T10] do_syscall_64+0xc6/0x1e0 [ 847.823313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.823313][ T10] [ 847.824850][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 847.824850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.824850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.824850][ T10] ipv6_find_idev+0x102/0x170 [ 847.824850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.824850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.824850][ T10] netlink_rcv_skb+0x130/0x360 [ 847.824850][ T10] netlink_unicast+0x449/0x710 [ 847.824850][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.824850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.824850][ T10] ___sys_sendmsg+0xee/0x170 [ 847.824850][ T10] __sys_sendmsg+0xcd/0x170 [ 847.824850][ T10] do_syscall_64+0xc6/0x1e0 [ 847.824850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.824850][ T10] [ 847.826533][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 847.826813][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 847.826813][ T10] netdev_get_by_index+0x5e/0x80 [ 847.826813][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.826813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.826813][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.826813][ T10] ipv6_add_addr+0x411/0x2000 [ 847.826813][ T10] inet6_addr_add+0x30e/0xa40 [ 847.826813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.826813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.826813][ T10] netlink_rcv_skb+0x130/0x360 [ 847.826813][ T10] netlink_unicast+0x449/0x710 [ 847.826813][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.826813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.826813][ T10] ___sys_sendmsg+0xee/0x170 [ 847.826813][ T10] __sys_sendmsg+0xcd/0x170 [ 847.826813][ T10] do_syscall_64+0xc6/0x1e0 [ 847.826813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.826813][ T10] [ 847.828817][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 847.828817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.828817][ T10] ipv6_find_idev+0x102/0x170 [ 847.828817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.828817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.828817][ T10] netlink_rcv_skb+0x130/0x360 [ 847.828817][ T10] netlink_unicast+0x449/0x710 [ 847.828817][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.828817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.828817][ T10] ___sys_sendmsg+0xee/0x170 [ 847.828817][ T10] __sys_sendmsg+0xcd/0x170 [ 847.828817][ T10] do_syscall_64+0xc6/0x1e0 [ 847.828817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.828817][ T10] [ 847.830483][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 847.830483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.830483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.830483][ T10] ipv6_find_idev+0x102/0x170 [ 847.830483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.830483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.830483][ T10] netlink_rcv_skb+0x130/0x360 [ 847.830483][ T10] netlink_unicast+0x449/0x710 [ 847.830483][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.830483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.830483][ T10] ___sys_sendmsg+0xee/0x170 [ 847.830483][ T10] __sys_sendmsg+0xcd/0x170 [ 847.830483][ T10] do_syscall_64+0xc6/0x1e0 [ 847.830483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.830483][ T10] [ 847.832450][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 847.832713][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 847.832713][ T10] netdev_get_by_index+0x5e/0x80 [ 847.832713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.832713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.832713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.832713][ T10] ipv6_add_addr+0x411/0x2000 [ 847.832713][ T10] inet6_addr_add+0x30e/0xa40 [ 847.832713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.832713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.832713][ T10] netlink_rcv_skb+0x130/0x360 [ 847.832713][ T10] netlink_unicast+0x449/0x710 [ 847.832713][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.832713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.832713][ T10] ___sys_sendmsg+0xee/0x170 [ 847.832713][ T10] __sys_sendmsg+0xcd/0x170 [ 847.832713][ T10] do_syscall_64+0xc6/0x1e0 [ 847.832713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.832713][ T10] [ 847.834953][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 847.834953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.834953][ T10] ipv6_find_idev+0x102/0x170 [ 847.834953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.834953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.834953][ T10] netlink_rcv_skb+0x130/0x360 [ 847.834953][ T10] netlink_unicast+0x449/0x710 [ 847.834953][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.834953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.834953][ T10] ___sys_sendmsg+0xee/0x170 [ 847.834953][ T10] __sys_sendmsg+0xcd/0x170 [ 847.834953][ T10] do_syscall_64+0xc6/0x1e0 [ 847.834953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.834953][ T10] [ 847.836680][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 847.836680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.836680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.836680][ T10] ipv6_find_idev+0x102/0x170 [ 847.836680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.836680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.836680][ T10] netlink_rcv_skb+0x130/0x360 [ 847.836680][ T10] netlink_unicast+0x449/0x710 [ 847.836680][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.836680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.836680][ T10] ___sys_sendmsg+0xee/0x170 [ 847.836680][ T10] __sys_sendmsg+0xcd/0x170 [ 847.836680][ T10] do_syscall_64+0xc6/0x1e0 [ 847.836680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.836680][ T10] [ 847.838596][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 847.838914][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 847.838914][ T10] netdev_get_by_index+0x5e/0x80 [ 847.838914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.838914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.838914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.838914][ T10] ipv6_add_addr+0x411/0x2000 [ 847.838914][ T10] inet6_addr_add+0x30e/0xa40 [ 847.838914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.838914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.838914][ T10] netlink_rcv_skb+0x130/0x360 [ 847.838914][ T10] netlink_unicast+0x449/0x710 [ 847.838914][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.838914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.838914][ T10] ___sys_sendmsg+0xee/0x170 [ 847.838914][ T10] __sys_sendmsg+0xcd/0x170 [ 847.838914][ T10] do_syscall_64+0xc6/0x1e0 [ 847.838914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.838914][ T10] [ 847.841111][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 847.841111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.841111][ T10] ipv6_find_idev+0x102/0x170 [ 847.841111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.841111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.841111][ T10] netlink_rcv_skb+0x130/0x360 [ 847.841111][ T10] netlink_unicast+0x449/0x710 [ 847.841111][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.841111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.841111][ T10] ___sys_sendmsg+0xee/0x170 [ 847.841111][ T10] __sys_sendmsg+0xcd/0x170 [ 847.841111][ T10] do_syscall_64+0xc6/0x1e0 [ 847.841111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.841111][ T10] [ 847.842903][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 847.842903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.842903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.842903][ T10] ipv6_find_idev+0x102/0x170 [ 847.842903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.842903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.842903][ T10] netlink_rcv_skb+0x130/0x360 [ 847.842903][ T10] netlink_unicast+0x449/0x710 [ 847.842903][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.842903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.842903][ T10] ___sys_sendmsg+0xee/0x170 [ 847.842903][ T10] __sys_sendmsg+0xcd/0x170 [ 847.842903][ T10] do_syscall_64+0xc6/0x1e0 [ 847.842903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.842903][ T10] [ 858.085961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 858.086445][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 858.086445][ T10] netdev_get_by_index+0x5e/0x80 [ 858.086445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.086445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.086445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.086445][ T10] ipv6_add_addr+0x411/0x2000 [ 858.086445][ T10] inet6_addr_add+0x30e/0xa40 [ 858.086445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.086445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.086445][ T10] netlink_rcv_skb+0x130/0x360 [ 858.086445][ T10] netlink_unicast+0x449/0x710 [ 858.086445][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.086445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.086445][ T10] ___sys_sendmsg+0xee/0x170 [ 858.086445][ T10] __sys_sendmsg+0xcd/0x170 [ 858.086445][ T10] do_syscall_64+0xc6/0x1e0 [ 858.086445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.086445][ T10] [ 858.088703][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 858.088703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.088703][ T10] ipv6_find_idev+0x102/0x170 [ 858.088703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.088703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.088703][ T10] netlink_rcv_skb+0x130/0x360 [ 858.088703][ T10] netlink_unicast+0x449/0x710 [ 858.088703][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.088703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.088703][ T10] ___sys_sendmsg+0xee/0x170 [ 858.088703][ T10] __sys_sendmsg+0xcd/0x170 [ 858.088703][ T10] do_syscall_64+0xc6/0x1e0 [ 858.088703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.088703][ T10] [ 858.090281][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 858.090281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.090281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.090281][ T10] ipv6_find_idev+0x102/0x170 [ 858.090281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.090281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.090281][ T10] netlink_rcv_skb+0x130/0x360 [ 858.090281][ T10] netlink_unicast+0x449/0x710 [ 858.090281][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.090281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.090281][ T10] ___sys_sendmsg+0xee/0x170 [ 858.090281][ T10] __sys_sendmsg+0xcd/0x170 [ 858.090281][ T10] do_syscall_64+0xc6/0x1e0 [ 858.090281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.090281][ T10] [ 858.091988][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 858.092264][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 858.092264][ T10] netdev_get_by_index+0x5e/0x80 [ 858.092264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.092264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.092264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.092264][ T10] ipv6_add_addr+0x411/0x2000 [ 858.092264][ T10] inet6_addr_add+0x30e/0xa40 [ 858.092264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.092264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.092264][ T10] netlink_rcv_skb+0x130/0x360 [ 858.092264][ T10] netlink_unicast+0x449/0x710 [ 858.092264][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.092264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.092264][ T10] ___sys_sendmsg+0xee/0x170 [ 858.092264][ T10] __sys_sendmsg+0xcd/0x170 [ 858.092264][ T10] do_syscall_64+0xc6/0x1e0 [ 858.092264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.092264][ T10] [ 858.094280][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 858.094280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.094280][ T10] ipv6_find_idev+0x102/0x170 [ 858.094280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.094280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.094280][ T10] netlink_rcv_skb+0x130/0x360 [ 858.094280][ T10] netlink_unicast+0x449/0x710 [ 858.094280][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.094280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.094280][ T10] ___sys_sendmsg+0xee/0x170 [ 858.094280][ T10] __sys_sendmsg+0xcd/0x170 [ 858.094280][ T10] do_syscall_64+0xc6/0x1e0 [ 858.094280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.094280][ T10] [ 858.095830][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 858.095830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.095830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.095830][ T10] ipv6_find_idev+0x102/0x170 [ 858.095830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.095830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.095830][ T10] netlink_rcv_skb+0x130/0x360 [ 858.095830][ T10] netlink_unicast+0x449/0x710 [ 858.095830][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.095830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.095830][ T10] ___sys_sendmsg+0xee/0x170 [ 858.095830][ T10] __sys_sendmsg+0xcd/0x170 [ 858.095830][ T10] do_syscall_64+0xc6/0x1e0 [ 858.095830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.095830][ T10] [ 858.097525][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 858.097814][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 858.097814][ T10] netdev_get_by_index+0x5e/0x80 [ 858.097814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.097814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.097814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.097814][ T10] ipv6_add_addr+0x411/0x2000 [ 858.097814][ T10] inet6_addr_add+0x30e/0xa40 [ 858.097814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.097814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.097814][ T10] netlink_rcv_skb+0x130/0x360 [ 858.097814][ T10] netlink_unicast+0x449/0x710 [ 858.097814][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.097814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.097814][ T10] ___sys_sendmsg+0xee/0x170 [ 858.097814][ T10] __sys_sendmsg+0xcd/0x170 [ 858.097814][ T10] do_syscall_64+0xc6/0x1e0 [ 858.097814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.097814][ T10] [ 858.100261][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 858.100261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.100261][ T10] ipv6_find_idev+0x102/0x170 [ 858.100261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.100261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.100261][ T10] netlink_rcv_skb+0x130/0x360 [ 858.100261][ T10] netlink_unicast+0x449/0x710 [ 858.100261][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.100261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.100261][ T10] ___sys_sendmsg+0xee/0x170 [ 858.100261][ T10] __sys_sendmsg+0xcd/0x170 [ 858.100261][ T10] do_syscall_64+0xc6/0x1e0 [ 858.100261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.100261][ T10] [ 858.101812][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 858.101812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.101812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.101812][ T10] ipv6_find_idev+0x102/0x170 [ 858.101812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.101812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.101812][ T10] netlink_rcv_skb+0x130/0x360 [ 858.101812][ T10] netlink_unicast+0x449/0x710 [ 858.101812][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.101812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.101812][ T10] ___sys_sendmsg+0xee/0x170 [ 858.101812][ T10] __sys_sendmsg+0xcd/0x170 [ 858.101812][ T10] do_syscall_64+0xc6/0x1e0 [ 858.101812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.101812][ T10] [ 858.103509][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 858.103774][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 858.103774][ T10] netdev_get_by_index+0x5e/0x80 [ 858.103774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.103774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.103774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.103774][ T10] ipv6_add_addr+0x411/0x2000 [ 858.103774][ T10] inet6_addr_add+0x30e/0xa40 [ 858.103774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.103774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.103774][ T10] netlink_rcv_skb+0x130/0x360 [ 858.103774][ T10] netlink_unicast+0x449/0x710 [ 858.103774][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.103774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.103774][ T10] ___sys_sendmsg+0xee/0x170 [ 858.103774][ T10] __sys_sendmsg+0xcd/0x170 [ 858.103774][ T10] do_syscall_64+0xc6/0x1e0 [ 858.103774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.103774][ T10] [ 858.105775][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 858.105775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.105775][ T10] ipv6_find_idev+0x102/0x170 [ 858.105775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.105775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.105775][ T10] netlink_rcv_skb+0x130/0x360 [ 858.105775][ T10] netlink_unicast+0x449/0x710 [ 858.105775][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.105775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.105775][ T10] ___sys_sendmsg+0xee/0x170 [ 858.105775][ T10] __sys_sendmsg+0xcd/0x170 [ 858.105775][ T10] do_syscall_64+0xc6/0x1e0 [ 858.105775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.105775][ T10] [ 858.107321][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 858.107321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.107321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.107321][ T10] ipv6_find_idev+0x102/0x170 [ 858.107321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.107321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.107321][ T10] netlink_rcv_skb+0x130/0x360 [ 858.107321][ T10] netlink_unicast+0x449/0x710 [ 858.107321][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.107321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.107321][ T10] ___sys_sendmsg+0xee/0x170 [ 858.107321][ T10] __sys_sendmsg+0xcd/0x170 [ 858.107321][ T10] do_syscall_64+0xc6/0x1e0 [ 858.107321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.107321][ T10] [ 858.109426][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 858.109704][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 858.109704][ T10] netdev_get_by_index+0x5e/0x80 [ 858.109704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.109704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.109704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.109704][ T10] ipv6_add_addr+0x411/0x2000 [ 858.109704][ T10] inet6_addr_add+0x30e/0xa40 [ 858.109704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.109704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.109704][ T10] netlink_rcv_skb+0x130/0x360 [ 858.109704][ T10] netlink_unicast+0x449/0x710 [ 858.109704][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.109704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.109704][ T10] ___sys_sendmsg+0xee/0x170 [ 858.109704][ T10] __sys_sendmsg+0xcd/0x170 [ 858.109704][ T10] do_syscall_64+0xc6/0x1e0 [ 858.109704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.109704][ T10] [ 858.111691][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 858.111691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.111691][ T10] ipv6_find_idev+0x102/0x170 [ 858.111691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.111691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.111691][ T10] netlink_rcv_skb+0x130/0x360 [ 858.111691][ T10] netlink_unicast+0x449/0x710 [ 858.111691][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.111691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.111691][ T10] ___sys_sendmsg+0xee/0x170 [ 858.111691][ T10] __sys_sendmsg+0xcd/0x170 [ 858.111691][ T10] do_syscall_64+0xc6/0x1e0 [ 858.111691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.111691][ T10] [ 858.113490][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 858.113490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.113490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.113490][ T10] ipv6_find_idev+0x102/0x170 [ 858.113490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.113490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.113490][ T10] netlink_rcv_skb+0x130/0x360 [ 858.113490][ T10] netlink_unicast+0x449/0x710 [ 858.113490][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.113490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.113490][ T10] ___sys_sendmsg+0xee/0x170 [ 858.113490][ T10] __sys_sendmsg+0xcd/0x170 [ 858.113490][ T10] do_syscall_64+0xc6/0x1e0 [ 858.113490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.113490][ T10] [ 858.115217][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 858.115482][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 858.115482][ T10] netdev_get_by_index+0x5e/0x80 [ 858.115482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.115482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.115482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.115482][ T10] ipv6_add_addr+0x411/0x2000 [ 858.115482][ T10] inet6_addr_add+0x30e/0xa40 [ 858.115482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.115482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.115482][ T10] netlink_rcv_skb+0x130/0x360 [ 858.115482][ T10] netlink_unicast+0x449/0x710 [ 858.115482][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.115482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.115482][ T10] ___sys_sendmsg+0xee/0x170 [ 858.115482][ T10] __sys_sendmsg+0xcd/0x170 [ 858.115482][ T10] do_syscall_64+0xc6/0x1e0 [ 858.115482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.115482][ T10] [ 858.117673][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 858.117673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.117673][ T10] ipv6_find_idev+0x102/0x170 [ 858.117673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.117673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.117673][ T10] netlink_rcv_skb+0x130/0x360 [ 858.117673][ T10] netlink_unicast+0x449/0x710 [ 858.117673][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.117673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.117673][ T10] ___sys_sendmsg+0xee/0x170 [ 858.117673][ T10] __sys_sendmsg+0xcd/0x170 [ 858.117673][ T10] do_syscall_64+0xc6/0x1e0 [ 858.117673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.117673][ T10] [ 858.119451][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 858.119451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.119451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.119451][ T10] ipv6_find_idev+0x102/0x170 [ 858.119451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.119451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.119451][ T10] netlink_rcv_skb+0x130/0x360 [ 858.119451][ T10] netlink_unicast+0x449/0x710 [ 858.119451][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.119451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.119451][ T10] ___sys_sendmsg+0xee/0x170 [ 858.119451][ T10] __sys_sendmsg+0xcd/0x170 [ 858.119451][ T10] do_syscall_64+0xc6/0x1e0 [ 858.119451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.119451][ T10] [ 858.121537][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 858.121880][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 858.121880][ T10] netdev_get_by_index+0x5e/0x80 [ 858.121880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.121880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.121880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.121880][ T10] ipv6_add_addr+0x411/0x2000 [ 858.121880][ T10] inet6_addr_add+0x30e/0xa40 [ 858.121880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.121880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.121880][ T10] netlink_rcv_skb+0x130/0x360 [ 858.121880][ T10] netlink_unicast+0x449/0x710 [ 858.121880][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.121880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.121880][ T10] ___sys_sendmsg+0xee/0x170 [ 858.121880][ T10] __sys_sendmsg+0xcd/0x170 [ 858.121880][ T10] do_syscall_64+0xc6/0x1e0 [ 858.121880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.121880][ T10] [ 858.124138][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 858.124138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.124138][ T10] ipv6_find_idev+0x102/0x170 [ 858.124138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.124138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.124138][ T10] netlink_rcv_skb+0x130/0x360 [ 858.124138][ T10] netlink_unicast+0x449/0x710 [ 858.124138][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.124138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.124138][ T10] ___sys_sendmsg+0xee/0x170 [ 858.124138][ T10] __sys_sendmsg+0xcd/0x170 [ 858.124138][ T10] do_syscall_64+0xc6/0x1e0 [ 858.124138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.124138][ T10] [ 858.125853][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 858.125853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.125853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.125853][ T10] ipv6_find_idev+0x102/0x170 [ 858.125853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.125853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.125853][ T10] netlink_rcv_skb+0x130/0x360 [ 858.125853][ T10] netlink_unicast+0x449/0x710 [ 858.125853][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.125853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.125853][ T10] ___sys_sendmsg+0xee/0x170 [ 858.125853][ T10] __sys_sendmsg+0xcd/0x170 [ 858.125853][ T10] do_syscall_64+0xc6/0x1e0 [ 858.125853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.125853][ T10] [ 858.127820][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 858.128083][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 858.128083][ T10] netdev_get_by_index+0x5e/0x80 [ 858.128083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.128083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.128083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.128083][ T10] ipv6_add_addr+0x411/0x2000 [ 858.128083][ T10] inet6_addr_add+0x30e/0xa40 [ 858.128083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.128083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.128083][ T10] netlink_rcv_skb+0x130/0x360 [ 858.128083][ T10] netlink_unicast+0x449/0x710 [ 858.128083][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.128083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.128083][ T10] ___sys_sendmsg+0xee/0x170 [ 858.128083][ T10] __sys_sendmsg+0xcd/0x170 [ 858.128083][ T10] do_syscall_64+0xc6/0x1e0 [ 858.128083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.128083][ T10] [ 858.130333][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 858.130333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.130333][ T10] ipv6_find_idev+0x102/0x170 [ 858.130333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.130333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.130333][ T10] netlink_rcv_skb+0x130/0x360 [ 858.130333][ T10] netlink_unicast+0x449/0x710 [ 858.130333][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.130333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.130333][ T10] ___sys_sendmsg+0xee/0x170 [ 858.130333][ T10] __sys_sendmsg+0xcd/0x170 [ 858.130333][ T10] do_syscall_64+0xc6/0x1e0 [ 858.130333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.130333][ T10] [ 858.132087][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 858.132087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.132087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.132087][ T10] ipv6_find_idev+0x102/0x170 [ 858.132087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.132087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.132087][ T10] netlink_rcv_skb+0x130/0x360 [ 858.132087][ T10] netlink_unicast+0x449/0x710 [ 858.132087][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.132087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.132087][ T10] ___sys_sendmsg+0xee/0x170 [ 858.132087][ T10] __sys_sendmsg+0xcd/0x170 [ 858.132087][ T10] do_syscall_64+0xc6/0x1e0 [ 858.132087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.132087][ T10] [ 861.478058][ T42] INFO: task modprobe:1060 blocked for more than 614 seconds. [ 861.478493][ T42] Not tainted 6.8.0-virtme #1 [ 861.478620][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 861.478880][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 861.479166][ T42] Call Trace: [ 861.479267][ T42] [ 861.479341][ T42] __schedule+0x705/0x1ac0 [ 861.479483][ T42] ? __pfx___schedule+0x10/0x10 [ 861.479612][ T42] ? schedule+0x1a5/0x210 [ 861.479713][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.479862][ T42] ? mark_lock+0x38/0x3e0 [ 861.479965][ T42] ? do_raw_spin_lock+0x131/0x270 [ 861.480097][ T42] ? schedule+0x1a5/0x210 [ 861.480198][ T42] schedule+0xdf/0x210 [ 861.480301][ T42] schedule_preempt_disabled+0x15/0x30 [ 861.480428][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 861.480565][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 861.480722][ T42] ? kasan_save_stack+0x34/0x50 [ 861.480863][ T42] ? kasan_save_stack+0x24/0x50 [ 861.480991][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.481128][ T42] ? lock_acquire+0x1c1/0x220 [ 861.481255][ T42] ? register_pernet_subsys+0x1a/0x50 [ 861.481489][ T42] down_write+0x1c9/0x200 [ 861.481589][ T42] ? __pfx_down_write+0x10/0x10 [ 861.481720][ T42] ? __pfx___lock_release+0x10/0x10 [ 861.481867][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 861.482075][ T42] register_pernet_subsys+0x1a/0x50 [ 861.482205][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 861.482391][ T42] do_one_initcall+0xc8/0x3f0 [ 861.482529][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 861.482682][ T42] ? __create_object+0x5e/0xb0 [ 861.482843][ T42] ? kasan_unpoison+0x27/0x60 [ 861.482987][ T42] do_init_module+0x233/0x740 [ 861.483134][ T42] load_module+0x16b5/0x2350 [ 861.483275][ T42] ? __pfx_load_module+0x10/0x10 [ 861.483403][ T42] ? kernel_read_file+0x3d2/0x520 [ 861.483543][ T42] ? kernel_read_file+0x300/0x520 [ 861.483679][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 861.483827][ T42] ? init_module_from_file+0xd2/0x130 [ 861.483953][ T42] init_module_from_file+0xd2/0x130 [ 861.484080][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 861.484241][ T42] ? __lock_release+0x103/0x460 [ 861.484370][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.484507][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.484652][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 861.484798][ T42] idempotent_init_module+0x342/0x620 [ 861.484929][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 861.485105][ T42] __x64_sys_finit_module+0xbe/0x130 [ 861.485237][ T42] do_syscall_64+0xc6/0x1e0 [ 861.485371][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.485530][ T42] RIP: 0033:0x7ff11fe2be5d [ 861.485663][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 861.485869][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 861.486062][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 861.486250][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 861.486440][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 861.486628][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 861.486858][ T42] [ 861.486961][ T42] [ 861.486961][ T42] Showing all locks held in the system: [ 861.487145][ T42] 3 locks held by kworker/u16:0/10: [ 861.487273][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.487532][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.487788][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 861.488028][ T42] 2 locks held by kworker/u20:0/39: [ 861.488155][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.488407][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.488695][ T42] 1 lock held by khungtaskd/42: [ 861.488830][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 861.489064][ T42] 1 lock held by modprobe/1060: [ 861.489186][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 861.489445][ T42] [ 861.489509][ T42] ============================================= [ 861.489509][ T42] [ 868.309905][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 868.310392][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 868.310392][ T10] netdev_get_by_index+0x5e/0x80 [ 868.310392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.310392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.310392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.310392][ T10] ipv6_add_addr+0x411/0x2000 [ 868.310392][ T10] inet6_addr_add+0x30e/0xa40 [ 868.310392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.310392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.310392][ T10] netlink_rcv_skb+0x130/0x360 [ 868.310392][ T10] netlink_unicast+0x449/0x710 [ 868.310392][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.310392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.310392][ T10] ___sys_sendmsg+0xee/0x170 [ 868.310392][ T10] __sys_sendmsg+0xcd/0x170 [ 868.310392][ T10] do_syscall_64+0xc6/0x1e0 [ 868.310392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.310392][ T10] [ 868.312803][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 868.312803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.312803][ T10] ipv6_find_idev+0x102/0x170 [ 868.312803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.312803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.312803][ T10] netlink_rcv_skb+0x130/0x360 [ 868.312803][ T10] netlink_unicast+0x449/0x710 [ 868.312803][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.312803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.312803][ T10] ___sys_sendmsg+0xee/0x170 [ 868.312803][ T10] __sys_sendmsg+0xcd/0x170 [ 868.312803][ T10] do_syscall_64+0xc6/0x1e0 [ 868.312803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.312803][ T10] [ 868.314330][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 868.314330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.314330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.314330][ T10] ipv6_find_idev+0x102/0x170 [ 868.314330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.314330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.314330][ T10] netlink_rcv_skb+0x130/0x360 [ 868.314330][ T10] netlink_unicast+0x449/0x710 [ 868.314330][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.314330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.314330][ T10] ___sys_sendmsg+0xee/0x170 [ 868.314330][ T10] __sys_sendmsg+0xcd/0x170 [ 868.314330][ T10] do_syscall_64+0xc6/0x1e0 [ 868.314330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.314330][ T10] [ 868.316024][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 868.316294][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 868.316294][ T10] netdev_get_by_index+0x5e/0x80 [ 868.316294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.316294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.316294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.316294][ T10] ipv6_add_addr+0x411/0x2000 [ 868.316294][ T10] inet6_addr_add+0x30e/0xa40 [ 868.316294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.316294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.316294][ T10] netlink_rcv_skb+0x130/0x360 [ 868.316294][ T10] netlink_unicast+0x449/0x710 [ 868.316294][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.316294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.316294][ T10] ___sys_sendmsg+0xee/0x170 [ 868.316294][ T10] __sys_sendmsg+0xcd/0x170 [ 868.316294][ T10] do_syscall_64+0xc6/0x1e0 [ 868.316294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.316294][ T10] [ 868.318293][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 868.318293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.318293][ T10] ipv6_find_idev+0x102/0x170 [ 868.318293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.318293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.318293][ T10] netlink_rcv_skb+0x130/0x360 [ 868.318293][ T10] netlink_unicast+0x449/0x710 [ 868.318293][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.318293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.318293][ T10] ___sys_sendmsg+0xee/0x170 [ 868.318293][ T10] __sys_sendmsg+0xcd/0x170 [ 868.318293][ T10] do_syscall_64+0xc6/0x1e0 [ 868.318293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.318293][ T10] [ 868.319830][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 868.319830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.319830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.319830][ T10] ipv6_find_idev+0x102/0x170 [ 868.319830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.319830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.319830][ T10] netlink_rcv_skb+0x130/0x360 [ 868.319830][ T10] netlink_unicast+0x449/0x710 [ 868.319830][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.319830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.319830][ T10] ___sys_sendmsg+0xee/0x170 [ 868.319830][ T10] __sys_sendmsg+0xcd/0x170 [ 868.319830][ T10] do_syscall_64+0xc6/0x1e0 [ 868.319830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.319830][ T10] [ 868.321509][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 868.321782][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 868.321782][ T10] netdev_get_by_index+0x5e/0x80 [ 868.321782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.321782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.321782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.321782][ T10] ipv6_add_addr+0x411/0x2000 [ 868.321782][ T10] inet6_addr_add+0x30e/0xa40 [ 868.321782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.321782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.321782][ T10] netlink_rcv_skb+0x130/0x360 [ 868.321782][ T10] netlink_unicast+0x449/0x710 [ 868.321782][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.321782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.321782][ T10] ___sys_sendmsg+0xee/0x170 [ 868.321782][ T10] __sys_sendmsg+0xcd/0x170 [ 868.321782][ T10] do_syscall_64+0xc6/0x1e0 [ 868.321782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.321782][ T10] [ 868.323755][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 868.323755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.323755][ T10] ipv6_find_idev+0x102/0x170 [ 868.323755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.323755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.323755][ T10] netlink_rcv_skb+0x130/0x360 [ 868.323755][ T10] netlink_unicast+0x449/0x710 [ 868.323755][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.323755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.323755][ T10] ___sys_sendmsg+0xee/0x170 [ 868.323755][ T10] __sys_sendmsg+0xcd/0x170 [ 868.323755][ T10] do_syscall_64+0xc6/0x1e0 [ 868.323755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.323755][ T10] [ 868.325303][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 868.325303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.325303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.325303][ T10] ipv6_find_idev+0x102/0x170 [ 868.325303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.325303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.325303][ T10] netlink_rcv_skb+0x130/0x360 [ 868.325303][ T10] netlink_unicast+0x449/0x710 [ 868.325303][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.325303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.325303][ T10] ___sys_sendmsg+0xee/0x170 [ 868.325303][ T10] __sys_sendmsg+0xcd/0x170 [ 868.325303][ T10] do_syscall_64+0xc6/0x1e0 [ 868.325303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.325303][ T10] [ 868.326967][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 868.327228][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 868.327228][ T10] netdev_get_by_index+0x5e/0x80 [ 868.327228][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.327228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.327228][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.327228][ T10] ipv6_add_addr+0x411/0x2000 [ 868.327228][ T10] inet6_addr_add+0x30e/0xa40 [ 868.327228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.327228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.327228][ T10] netlink_rcv_skb+0x130/0x360 [ 868.327228][ T10] netlink_unicast+0x449/0x710 [ 868.327228][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.327228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.327228][ T10] ___sys_sendmsg+0xee/0x170 [ 868.327228][ T10] __sys_sendmsg+0xcd/0x170 [ 868.327228][ T10] do_syscall_64+0xc6/0x1e0 [ 868.327228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.327228][ T10] [ 868.329235][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 868.329235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.329235][ T10] ipv6_find_idev+0x102/0x170 [ 868.329235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.329235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.329235][ T10] netlink_rcv_skb+0x130/0x360 [ 868.329235][ T10] netlink_unicast+0x449/0x710 [ 868.329235][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.329235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.329235][ T10] ___sys_sendmsg+0xee/0x170 [ 868.329235][ T10] __sys_sendmsg+0xcd/0x170 [ 868.329235][ T10] do_syscall_64+0xc6/0x1e0 [ 868.329235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.329235][ T10] [ 868.330762][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 868.330762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.330762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.330762][ T10] ipv6_find_idev+0x102/0x170 [ 868.330762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.330762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.330762][ T10] netlink_rcv_skb+0x130/0x360 [ 868.330762][ T10] netlink_unicast+0x449/0x710 [ 868.330762][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.330762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.330762][ T10] ___sys_sendmsg+0xee/0x170 [ 868.330762][ T10] __sys_sendmsg+0xcd/0x170 [ 868.330762][ T10] do_syscall_64+0xc6/0x1e0 [ 868.330762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.330762][ T10] [ 868.332867][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 868.333141][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 868.333141][ T10] netdev_get_by_index+0x5e/0x80 [ 868.333141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.333141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.333141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.333141][ T10] ipv6_add_addr+0x411/0x2000 [ 868.333141][ T10] inet6_addr_add+0x30e/0xa40 [ 868.333141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.333141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.333141][ T10] netlink_rcv_skb+0x130/0x360 [ 868.333141][ T10] netlink_unicast+0x449/0x710 [ 868.333141][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.333141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.333141][ T10] ___sys_sendmsg+0xee/0x170 [ 868.333141][ T10] __sys_sendmsg+0xcd/0x170 [ 868.333141][ T10] do_syscall_64+0xc6/0x1e0 [ 868.333141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.333141][ T10] [ 868.335105][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 868.335105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.335105][ T10] ipv6_find_idev+0x102/0x170 [ 868.335105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.335105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.335105][ T10] netlink_rcv_skb+0x130/0x360 [ 868.335105][ T10] netlink_unicast+0x449/0x710 [ 868.335105][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.335105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.335105][ T10] ___sys_sendmsg+0xee/0x170 [ 868.335105][ T10] __sys_sendmsg+0xcd/0x170 [ 868.335105][ T10] do_syscall_64+0xc6/0x1e0 [ 868.335105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.335105][ T10] [ 868.336646][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 868.336646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.336646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.336646][ T10] ipv6_find_idev+0x102/0x170 [ 868.336646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.336646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.336646][ T10] netlink_rcv_skb+0x130/0x360 [ 868.336646][ T10] netlink_unicast+0x449/0x710 [ 868.336646][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.336646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.336646][ T10] ___sys_sendmsg+0xee/0x170 [ 868.336646][ T10] __sys_sendmsg+0xcd/0x170 [ 868.336646][ T10] do_syscall_64+0xc6/0x1e0 [ 868.336646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.336646][ T10] [ 868.338370][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 868.338631][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 868.338631][ T10] netdev_get_by_index+0x5e/0x80 [ 868.338631][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.338631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.338631][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.338631][ T10] ipv6_add_addr+0x411/0x2000 [ 868.338631][ T10] inet6_addr_add+0x30e/0xa40 [ 868.338631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.338631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.338631][ T10] netlink_rcv_skb+0x130/0x360 [ 868.338631][ T10] netlink_unicast+0x449/0x710 [ 868.338631][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.338631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.338631][ T10] ___sys_sendmsg+0xee/0x170 [ 868.338631][ T10] __sys_sendmsg+0xcd/0x170 [ 868.338631][ T10] do_syscall_64+0xc6/0x1e0 [ 868.338631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.338631][ T10] [ 868.340808][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 868.340808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.340808][ T10] ipv6_find_idev+0x102/0x170 [ 868.340808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.340808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.340808][ T10] netlink_rcv_skb+0x130/0x360 [ 868.340808][ T10] netlink_unicast+0x449/0x710 [ 868.340808][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.340808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.340808][ T10] ___sys_sendmsg+0xee/0x170 [ 868.340808][ T10] __sys_sendmsg+0xcd/0x170 [ 868.340808][ T10] do_syscall_64+0xc6/0x1e0 [ 868.340808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.340808][ T10] [ 868.342581][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 868.342581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.342581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.342581][ T10] ipv6_find_idev+0x102/0x170 [ 868.342581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.342581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.342581][ T10] netlink_rcv_skb+0x130/0x360 [ 868.342581][ T10] netlink_unicast+0x449/0x710 [ 868.342581][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.342581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.342581][ T10] ___sys_sendmsg+0xee/0x170 [ 868.342581][ T10] __sys_sendmsg+0xcd/0x170 [ 868.342581][ T10] do_syscall_64+0xc6/0x1e0 [ 868.342581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.342581][ T10] [ 868.344488][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 868.344748][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 868.344748][ T10] netdev_get_by_index+0x5e/0x80 [ 868.344748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.344748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.344748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.344748][ T10] ipv6_add_addr+0x411/0x2000 [ 868.344748][ T10] inet6_addr_add+0x30e/0xa40 [ 868.344748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.344748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.344748][ T10] netlink_rcv_skb+0x130/0x360 [ 868.344748][ T10] netlink_unicast+0x449/0x710 [ 868.344748][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.344748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.344748][ T10] ___sys_sendmsg+0xee/0x170 [ 868.344748][ T10] __sys_sendmsg+0xcd/0x170 [ 868.344748][ T10] do_syscall_64+0xc6/0x1e0 [ 868.344748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.344748][ T10] [ 868.346963][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 868.346963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.346963][ T10] ipv6_find_idev+0x102/0x170 [ 868.346963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.346963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.346963][ T10] netlink_rcv_skb+0x130/0x360 [ 868.346963][ T10] netlink_unicast+0x449/0x710 [ 868.346963][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.346963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.346963][ T10] ___sys_sendmsg+0xee/0x170 [ 868.346963][ T10] __sys_sendmsg+0xcd/0x170 [ 868.346963][ T10] do_syscall_64+0xc6/0x1e0 [ 868.346963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.346963][ T10] [ 868.348714][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 868.348714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.348714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.348714][ T10] ipv6_find_idev+0x102/0x170 [ 868.348714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.348714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.348714][ T10] netlink_rcv_skb+0x130/0x360 [ 868.348714][ T10] netlink_unicast+0x449/0x710 [ 868.348714][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.348714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.348714][ T10] ___sys_sendmsg+0xee/0x170 [ 868.348714][ T10] __sys_sendmsg+0xcd/0x170 [ 868.348714][ T10] do_syscall_64+0xc6/0x1e0 [ 868.348714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.348714][ T10] [ 868.350603][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 868.350917][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 868.350917][ T10] netdev_get_by_index+0x5e/0x80 [ 868.350917][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.350917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.350917][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.350917][ T10] ipv6_add_addr+0x411/0x2000 [ 868.350917][ T10] inet6_addr_add+0x30e/0xa40 [ 868.350917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.350917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.350917][ T10] netlink_rcv_skb+0x130/0x360 [ 868.350917][ T10] netlink_unicast+0x449/0x710 [ 868.350917][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.350917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.350917][ T10] ___sys_sendmsg+0xee/0x170 [ 868.350917][ T10] __sys_sendmsg+0xcd/0x170 [ 868.350917][ T10] do_syscall_64+0xc6/0x1e0 [ 868.350917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.350917][ T10] [ 868.353157][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 868.353157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.353157][ T10] ipv6_find_idev+0x102/0x170 [ 868.353157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.353157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.353157][ T10] netlink_rcv_skb+0x130/0x360 [ 868.353157][ T10] netlink_unicast+0x449/0x710 [ 868.353157][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.353157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.353157][ T10] ___sys_sendmsg+0xee/0x170 [ 868.353157][ T10] __sys_sendmsg+0xcd/0x170 [ 868.353157][ T10] do_syscall_64+0xc6/0x1e0 [ 868.353157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.353157][ T10] [ 868.354864][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 868.354864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.354864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.354864][ T10] ipv6_find_idev+0x102/0x170 [ 868.354864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.354864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.354864][ T10] netlink_rcv_skb+0x130/0x360 [ 868.354864][ T10] netlink_unicast+0x449/0x710 [ 868.354864][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.354864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.354864][ T10] ___sys_sendmsg+0xee/0x170 [ 868.354864][ T10] __sys_sendmsg+0xcd/0x170 [ 868.354864][ T10] do_syscall_64+0xc6/0x1e0 [ 868.354864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.354864][ T10] [ 878.837994][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 878.838525][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 878.838525][ T10] netdev_get_by_index+0x5e/0x80 [ 878.838525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.838525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.838525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.838525][ T10] ipv6_add_addr+0x411/0x2000 [ 878.838525][ T10] inet6_addr_add+0x30e/0xa40 [ 878.838525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.838525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.838525][ T10] netlink_rcv_skb+0x130/0x360 [ 878.838525][ T10] netlink_unicast+0x449/0x710 [ 878.838525][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.838525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.838525][ T10] ___sys_sendmsg+0xee/0x170 [ 878.838525][ T10] __sys_sendmsg+0xcd/0x170 [ 878.838525][ T10] do_syscall_64+0xc6/0x1e0 [ 878.838525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.838525][ T10] [ 878.840561][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 878.840561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.840561][ T10] ipv6_find_idev+0x102/0x170 [ 878.840561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.840561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.840561][ T10] netlink_rcv_skb+0x130/0x360 [ 878.840561][ T10] netlink_unicast+0x449/0x710 [ 878.840561][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.840561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.840561][ T10] ___sys_sendmsg+0xee/0x170 [ 878.840561][ T10] __sys_sendmsg+0xcd/0x170 [ 878.840561][ T10] do_syscall_64+0xc6/0x1e0 [ 878.840561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.840561][ T10] [ 878.842123][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 878.842123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.842123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.842123][ T10] ipv6_find_idev+0x102/0x170 [ 878.842123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.842123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.842123][ T10] netlink_rcv_skb+0x130/0x360 [ 878.842123][ T10] netlink_unicast+0x449/0x710 [ 878.842123][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.842123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.842123][ T10] ___sys_sendmsg+0xee/0x170 [ 878.842123][ T10] __sys_sendmsg+0xcd/0x170 [ 878.842123][ T10] do_syscall_64+0xc6/0x1e0 [ 878.842123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.842123][ T10] [ 878.843868][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 878.844150][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 878.844150][ T10] netdev_get_by_index+0x5e/0x80 [ 878.844150][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.844150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.844150][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.844150][ T10] ipv6_add_addr+0x411/0x2000 [ 878.844150][ T10] inet6_addr_add+0x30e/0xa40 [ 878.844150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.844150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.844150][ T10] netlink_rcv_skb+0x130/0x360 [ 878.844150][ T10] netlink_unicast+0x449/0x710 [ 878.844150][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.844150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.844150][ T10] ___sys_sendmsg+0xee/0x170 [ 878.844150][ T10] __sys_sendmsg+0xcd/0x170 [ 878.844150][ T10] do_syscall_64+0xc6/0x1e0 [ 878.844150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.844150][ T10] [ 878.846685][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 878.846685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.846685][ T10] ipv6_find_idev+0x102/0x170 [ 878.846685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.846685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.846685][ T10] netlink_rcv_skb+0x130/0x360 [ 878.846685][ T10] netlink_unicast+0x449/0x710 [ 878.846685][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.846685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.846685][ T10] ___sys_sendmsg+0xee/0x170 [ 878.846685][ T10] __sys_sendmsg+0xcd/0x170 [ 878.846685][ T10] do_syscall_64+0xc6/0x1e0 [ 878.846685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.846685][ T10] [ 878.848258][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 878.848258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.848258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.848258][ T10] ipv6_find_idev+0x102/0x170 [ 878.848258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.848258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.848258][ T10] netlink_rcv_skb+0x130/0x360 [ 878.848258][ T10] netlink_unicast+0x449/0x710 [ 878.848258][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.848258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.848258][ T10] ___sys_sendmsg+0xee/0x170 [ 878.848258][ T10] __sys_sendmsg+0xcd/0x170 [ 878.848258][ T10] do_syscall_64+0xc6/0x1e0 [ 878.848258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.848258][ T10] [ 878.849962][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 878.850230][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 878.850230][ T10] netdev_get_by_index+0x5e/0x80 [ 878.850230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.850230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.850230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.850230][ T10] ipv6_add_addr+0x411/0x2000 [ 878.850230][ T10] inet6_addr_add+0x30e/0xa40 [ 878.850230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.850230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.850230][ T10] netlink_rcv_skb+0x130/0x360 [ 878.850230][ T10] netlink_unicast+0x449/0x710 [ 878.850230][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.850230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.850230][ T10] ___sys_sendmsg+0xee/0x170 [ 878.850230][ T10] __sys_sendmsg+0xcd/0x170 [ 878.850230][ T10] do_syscall_64+0xc6/0x1e0 [ 878.850230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.850230][ T10] [ 878.852236][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 878.852236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.852236][ T10] ipv6_find_idev+0x102/0x170 [ 878.852236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.852236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.852236][ T10] netlink_rcv_skb+0x130/0x360 [ 878.852236][ T10] netlink_unicast+0x449/0x710 [ 878.852236][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.852236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.852236][ T10] ___sys_sendmsg+0xee/0x170 [ 878.852236][ T10] __sys_sendmsg+0xcd/0x170 [ 878.852236][ T10] do_syscall_64+0xc6/0x1e0 [ 878.852236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.852236][ T10] [ 878.853782][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 878.853782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.853782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.853782][ T10] ipv6_find_idev+0x102/0x170 [ 878.853782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.853782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.853782][ T10] netlink_rcv_skb+0x130/0x360 [ 878.853782][ T10] netlink_unicast+0x449/0x710 [ 878.853782][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.853782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.853782][ T10] ___sys_sendmsg+0xee/0x170 [ 878.853782][ T10] __sys_sendmsg+0xcd/0x170 [ 878.853782][ T10] do_syscall_64+0xc6/0x1e0 [ 878.853782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.853782][ T10] [ 878.855477][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 878.855748][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 878.855748][ T10] netdev_get_by_index+0x5e/0x80 [ 878.855748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.855748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.855748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.855748][ T10] ipv6_add_addr+0x411/0x2000 [ 878.855748][ T10] inet6_addr_add+0x30e/0xa40 [ 878.855748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.855748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.855748][ T10] netlink_rcv_skb+0x130/0x360 [ 878.855748][ T10] netlink_unicast+0x449/0x710 [ 878.855748][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.855748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.855748][ T10] ___sys_sendmsg+0xee/0x170 [ 878.855748][ T10] __sys_sendmsg+0xcd/0x170 [ 878.855748][ T10] do_syscall_64+0xc6/0x1e0 [ 878.855748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.855748][ T10] [ 878.857768][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 878.857768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.857768][ T10] ipv6_find_idev+0x102/0x170 [ 878.857768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.857768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.857768][ T10] netlink_rcv_skb+0x130/0x360 [ 878.857768][ T10] netlink_unicast+0x449/0x710 [ 878.857768][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.857768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.857768][ T10] ___sys_sendmsg+0xee/0x170 [ 878.857768][ T10] __sys_sendmsg+0xcd/0x170 [ 878.857768][ T10] do_syscall_64+0xc6/0x1e0 [ 878.857768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.857768][ T10] [ 878.859310][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 878.859310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.859310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.859310][ T10] ipv6_find_idev+0x102/0x170 [ 878.859310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.859310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.859310][ T10] netlink_rcv_skb+0x130/0x360 [ 878.859310][ T10] netlink_unicast+0x449/0x710 [ 878.859310][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.859310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.859310][ T10] ___sys_sendmsg+0xee/0x170 [ 878.859310][ T10] __sys_sendmsg+0xcd/0x170 [ 878.859310][ T10] do_syscall_64+0xc6/0x1e0 [ 878.859310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.859310][ T10] [ 878.861064][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 878.861375][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 878.861375][ T10] netdev_get_by_index+0x5e/0x80 [ 878.861375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.861375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.861375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.861375][ T10] ipv6_add_addr+0x411/0x2000 [ 878.861375][ T10] inet6_addr_add+0x30e/0xa40 [ 878.861375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.861375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.861375][ T10] netlink_rcv_skb+0x130/0x360 [ 878.861375][ T10] netlink_unicast+0x449/0x710 [ 878.861375][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.861375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.861375][ T10] ___sys_sendmsg+0xee/0x170 [ 878.861375][ T10] __sys_sendmsg+0xcd/0x170 [ 878.861375][ T10] do_syscall_64+0xc6/0x1e0 [ 878.861375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.861375][ T10] [ 878.863381][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 878.863381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.863381][ T10] ipv6_find_idev+0x102/0x170 [ 878.863381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.863381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.863381][ T10] netlink_rcv_skb+0x130/0x360 [ 878.863381][ T10] netlink_unicast+0x449/0x710 [ 878.863381][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.863381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.863381][ T10] ___sys_sendmsg+0xee/0x170 [ 878.863381][ T10] __sys_sendmsg+0xcd/0x170 [ 878.863381][ T10] do_syscall_64+0xc6/0x1e0 [ 878.863381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.863381][ T10] [ 878.864922][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 878.864922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.864922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.864922][ T10] ipv6_find_idev+0x102/0x170 [ 878.864922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.864922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.864922][ T10] netlink_rcv_skb+0x130/0x360 [ 878.864922][ T10] netlink_unicast+0x449/0x710 [ 878.864922][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.864922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.864922][ T10] ___sys_sendmsg+0xee/0x170 [ 878.864922][ T10] __sys_sendmsg+0xcd/0x170 [ 878.864922][ T10] do_syscall_64+0xc6/0x1e0 [ 878.864922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.864922][ T10] [ 878.866836][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 878.867145][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 878.867145][ T10] netdev_get_by_index+0x5e/0x80 [ 878.867145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.867145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.867145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.867145][ T10] ipv6_add_addr+0x411/0x2000 [ 878.867145][ T10] inet6_addr_add+0x30e/0xa40 [ 878.867145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.867145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.867145][ T10] netlink_rcv_skb+0x130/0x360 [ 878.867145][ T10] netlink_unicast+0x449/0x710 [ 878.867145][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.867145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.867145][ T10] ___sys_sendmsg+0xee/0x170 [ 878.867145][ T10] __sys_sendmsg+0xcd/0x170 [ 878.867145][ T10] do_syscall_64+0xc6/0x1e0 [ 878.867145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.867145][ T10] [ 878.869782][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 878.869782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.869782][ T10] ipv6_find_idev+0x102/0x170 [ 878.869782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.869782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.869782][ T10] netlink_rcv_skb+0x130/0x360 [ 878.869782][ T10] netlink_unicast+0x449/0x710 [ 878.869782][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.869782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.869782][ T10] ___sys_sendmsg+0xee/0x170 [ 878.869782][ T10] __sys_sendmsg+0xcd/0x170 [ 878.869782][ T10] do_syscall_64+0xc6/0x1e0 [ 878.869782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.869782][ T10] [ 878.871500][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 878.871500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.871500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.871500][ T10] ipv6_find_idev+0x102/0x170 [ 878.871500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.871500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.871500][ T10] netlink_rcv_skb+0x130/0x360 [ 878.871500][ T10] netlink_unicast+0x449/0x710 [ 878.871500][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.871500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.871500][ T10] ___sys_sendmsg+0xee/0x170 [ 878.871500][ T10] __sys_sendmsg+0xcd/0x170 [ 878.871500][ T10] do_syscall_64+0xc6/0x1e0 [ 878.871500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.871500][ T10] [ 878.873427][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 878.873744][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 878.873744][ T10] netdev_get_by_index+0x5e/0x80 [ 878.873744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.873744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.873744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.873744][ T10] ipv6_add_addr+0x411/0x2000 [ 878.873744][ T10] inet6_addr_add+0x30e/0xa40 [ 878.873744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.873744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.873744][ T10] netlink_rcv_skb+0x130/0x360 [ 878.873744][ T10] netlink_unicast+0x449/0x710 [ 878.873744][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.873744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.873744][ T10] ___sys_sendmsg+0xee/0x170 [ 878.873744][ T10] __sys_sendmsg+0xcd/0x170 [ 878.873744][ T10] do_syscall_64+0xc6/0x1e0 [ 878.873744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.873744][ T10] [ 878.875922][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 878.875922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.875922][ T10] ipv6_find_idev+0x102/0x170 [ 878.875922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.875922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.875922][ T10] netlink_rcv_skb+0x130/0x360 [ 878.875922][ T10] netlink_unicast+0x449/0x710 [ 878.875922][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.875922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.875922][ T10] ___sys_sendmsg+0xee/0x170 [ 878.875922][ T10] __sys_sendmsg+0xcd/0x170 [ 878.875922][ T10] do_syscall_64+0xc6/0x1e0 [ 878.875922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.875922][ T10] [ 878.877657][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 878.877657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.877657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.877657][ T10] ipv6_find_idev+0x102/0x170 [ 878.877657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.877657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.877657][ T10] netlink_rcv_skb+0x130/0x360 [ 878.877657][ T10] netlink_unicast+0x449/0x710 [ 878.877657][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.877657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.877657][ T10] ___sys_sendmsg+0xee/0x170 [ 878.877657][ T10] __sys_sendmsg+0xcd/0x170 [ 878.877657][ T10] do_syscall_64+0xc6/0x1e0 [ 878.877657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.877657][ T10] [ 878.879631][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 878.879949][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 878.879949][ T10] netdev_get_by_index+0x5e/0x80 [ 878.879949][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.879949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.879949][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.879949][ T10] ipv6_add_addr+0x411/0x2000 [ 878.879949][ T10] inet6_addr_add+0x30e/0xa40 [ 878.879949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.879949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.879949][ T10] netlink_rcv_skb+0x130/0x360 [ 878.879949][ T10] netlink_unicast+0x449/0x710 [ 878.879949][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.879949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.879949][ T10] ___sys_sendmsg+0xee/0x170 [ 878.879949][ T10] __sys_sendmsg+0xcd/0x170 [ 878.879949][ T10] do_syscall_64+0xc6/0x1e0 [ 878.879949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.879949][ T10] [ 878.882131][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 878.882131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.882131][ T10] ipv6_find_idev+0x102/0x170 [ 878.882131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.882131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.882131][ T10] netlink_rcv_skb+0x130/0x360 [ 878.882131][ T10] netlink_unicast+0x449/0x710 [ 878.882131][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.882131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.882131][ T10] ___sys_sendmsg+0xee/0x170 [ 878.882131][ T10] __sys_sendmsg+0xcd/0x170 [ 878.882131][ T10] do_syscall_64+0xc6/0x1e0 [ 878.882131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.882131][ T10] [ 878.883854][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 878.883854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.883854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.883854][ T10] ipv6_find_idev+0x102/0x170 [ 878.883854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.883854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.883854][ T10] netlink_rcv_skb+0x130/0x360 [ 878.883854][ T10] netlink_unicast+0x449/0x710 [ 878.883854][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.883854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.883854][ T10] ___sys_sendmsg+0xee/0x170 [ 878.883854][ T10] __sys_sendmsg+0xcd/0x170 [ 878.883854][ T10] do_syscall_64+0xc6/0x1e0 [ 878.883854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.883854][ T10] [ 889.093891][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 889.094535][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 889.094535][ T10] netdev_get_by_index+0x5e/0x80 [ 889.094535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.094535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.094535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.094535][ T10] ipv6_add_addr+0x411/0x2000 [ 889.094535][ T10] inet6_addr_add+0x30e/0xa40 [ 889.094535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.094535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.094535][ T10] netlink_rcv_skb+0x130/0x360 [ 889.094535][ T10] netlink_unicast+0x449/0x710 [ 889.094535][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.094535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.094535][ T10] ___sys_sendmsg+0xee/0x170 [ 889.094535][ T10] __sys_sendmsg+0xcd/0x170 [ 889.094535][ T10] do_syscall_64+0xc6/0x1e0 [ 889.094535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.094535][ T10] [ 889.097598][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 889.097598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.097598][ T10] ipv6_find_idev+0x102/0x170 [ 889.097598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.097598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.097598][ T10] netlink_rcv_skb+0x130/0x360 [ 889.097598][ T10] netlink_unicast+0x449/0x710 [ 889.097598][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.097598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.097598][ T10] ___sys_sendmsg+0xee/0x170 [ 889.097598][ T10] __sys_sendmsg+0xcd/0x170 [ 889.097598][ T10] do_syscall_64+0xc6/0x1e0 [ 889.097598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.097598][ T10] [ 889.099168][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 889.099168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.099168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.099168][ T10] ipv6_find_idev+0x102/0x170 [ 889.099168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.099168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.099168][ T10] netlink_rcv_skb+0x130/0x360 [ 889.099168][ T10] netlink_unicast+0x449/0x710 [ 889.099168][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.099168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.099168][ T10] ___sys_sendmsg+0xee/0x170 [ 889.099168][ T10] __sys_sendmsg+0xcd/0x170 [ 889.099168][ T10] do_syscall_64+0xc6/0x1e0 [ 889.099168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.099168][ T10] [ 889.101029][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 889.101454][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 889.101454][ T10] netdev_get_by_index+0x5e/0x80 [ 889.101454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.101454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.101454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.101454][ T10] ipv6_add_addr+0x411/0x2000 [ 889.101454][ T10] inet6_addr_add+0x30e/0xa40 [ 889.101454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.101454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.101454][ T10] netlink_rcv_skb+0x130/0x360 [ 889.101454][ T10] netlink_unicast+0x449/0x710 [ 889.101454][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.101454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.101454][ T10] ___sys_sendmsg+0xee/0x170 [ 889.101454][ T10] __sys_sendmsg+0xcd/0x170 [ 889.101454][ T10] do_syscall_64+0xc6/0x1e0 [ 889.101454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.101454][ T10] [ 889.105015][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 889.105015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.105015][ T10] ipv6_find_idev+0x102/0x170 [ 889.105015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.105015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.105015][ T10] netlink_rcv_skb+0x130/0x360 [ 889.105015][ T10] netlink_unicast+0x449/0x710 [ 889.105015][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.105015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.105015][ T10] ___sys_sendmsg+0xee/0x170 [ 889.105015][ T10] __sys_sendmsg+0xcd/0x170 [ 889.105015][ T10] do_syscall_64+0xc6/0x1e0 [ 889.105015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.105015][ T10] [ 889.106558][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 889.106558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.106558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.106558][ T10] ipv6_find_idev+0x102/0x170 [ 889.106558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.106558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.106558][ T10] netlink_rcv_skb+0x130/0x360 [ 889.106558][ T10] netlink_unicast+0x449/0x710 [ 889.106558][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.106558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.106558][ T10] ___sys_sendmsg+0xee/0x170 [ 889.106558][ T10] __sys_sendmsg+0xcd/0x170 [ 889.106558][ T10] do_syscall_64+0xc6/0x1e0 [ 889.106558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.106558][ T10] [ 889.108886][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 889.109165][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 889.109165][ T10] netdev_get_by_index+0x5e/0x80 [ 889.109165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.109165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.109165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.109165][ T10] ipv6_add_addr+0x411/0x2000 [ 889.109165][ T10] inet6_addr_add+0x30e/0xa40 [ 889.109165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.109165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.109165][ T10] netlink_rcv_skb+0x130/0x360 [ 889.109165][ T10] netlink_unicast+0x449/0x710 [ 889.109165][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.109165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.109165][ T10] ___sys_sendmsg+0xee/0x170 [ 889.109165][ T10] __sys_sendmsg+0xcd/0x170 [ 889.109165][ T10] do_syscall_64+0xc6/0x1e0 [ 889.109165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.109165][ T10] [ 889.111167][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 889.111167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.111167][ T10] ipv6_find_idev+0x102/0x170 [ 889.111167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.111167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.111167][ T10] netlink_rcv_skb+0x130/0x360 [ 889.111167][ T10] netlink_unicast+0x449/0x710 [ 889.111167][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.111167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.111167][ T10] ___sys_sendmsg+0xee/0x170 [ 889.111167][ T10] __sys_sendmsg+0xcd/0x170 [ 889.111167][ T10] do_syscall_64+0xc6/0x1e0 [ 889.111167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.111167][ T10] [ 889.112703][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 889.112703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.112703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.112703][ T10] ipv6_find_idev+0x102/0x170 [ 889.112703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.112703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.112703][ T10] netlink_rcv_skb+0x130/0x360 [ 889.112703][ T10] netlink_unicast+0x449/0x710 [ 889.112703][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.112703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.112703][ T10] ___sys_sendmsg+0xee/0x170 [ 889.112703][ T10] __sys_sendmsg+0xcd/0x170 [ 889.112703][ T10] do_syscall_64+0xc6/0x1e0 [ 889.112703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.112703][ T10] [ 889.114568][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 889.115298][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 889.115298][ T10] netdev_get_by_index+0x5e/0x80 [ 889.115298][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.115298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.115298][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.115298][ T10] ipv6_add_addr+0x411/0x2000 [ 889.115298][ T10] inet6_addr_add+0x30e/0xa40 [ 889.115298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.115298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.115298][ T10] netlink_rcv_skb+0x130/0x360 [ 889.115298][ T10] netlink_unicast+0x449/0x710 [ 889.115298][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.115298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.115298][ T10] ___sys_sendmsg+0xee/0x170 [ 889.115298][ T10] __sys_sendmsg+0xcd/0x170 [ 889.115298][ T10] do_syscall_64+0xc6/0x1e0 [ 889.115298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.115298][ T10] [ 889.117598][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 889.117598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.117598][ T10] ipv6_find_idev+0x102/0x170 [ 889.117598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.117598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.117598][ T10] netlink_rcv_skb+0x130/0x360 [ 889.117598][ T10] netlink_unicast+0x449/0x710 [ 889.117598][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.117598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.117598][ T10] ___sys_sendmsg+0xee/0x170 [ 889.117598][ T10] __sys_sendmsg+0xcd/0x170 [ 889.117598][ T10] do_syscall_64+0xc6/0x1e0 [ 889.117598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.117598][ T10] [ 889.119641][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 889.119641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.119641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.119641][ T10] ipv6_find_idev+0x102/0x170 [ 889.119641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.119641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.119641][ T10] netlink_rcv_skb+0x130/0x360 [ 889.119641][ T10] netlink_unicast+0x449/0x710 [ 889.119641][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.119641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.119641][ T10] ___sys_sendmsg+0xee/0x170 [ 889.119641][ T10] __sys_sendmsg+0xcd/0x170 [ 889.119641][ T10] do_syscall_64+0xc6/0x1e0 [ 889.119641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.119641][ T10] [ 889.121382][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 889.121649][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 889.121649][ T10] netdev_get_by_index+0x5e/0x80 [ 889.121649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.121649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.121649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.121649][ T10] ipv6_add_addr+0x411/0x2000 [ 889.121649][ T10] inet6_addr_add+0x30e/0xa40 [ 889.121649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.121649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.121649][ T10] netlink_rcv_skb+0x130/0x360 [ 889.121649][ T10] netlink_unicast+0x449/0x710 [ 889.121649][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.121649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.121649][ T10] ___sys_sendmsg+0xee/0x170 [ 889.121649][ T10] __sys_sendmsg+0xcd/0x170 [ 889.121649][ T10] do_syscall_64+0xc6/0x1e0 [ 889.121649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.121649][ T10] [ 889.123656][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 889.123656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.123656][ T10] ipv6_find_idev+0x102/0x170 [ 889.123656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.123656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.123656][ T10] netlink_rcv_skb+0x130/0x360 [ 889.123656][ T10] netlink_unicast+0x449/0x710 [ 889.123656][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.123656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.123656][ T10] ___sys_sendmsg+0xee/0x170 [ 889.123656][ T10] __sys_sendmsg+0xcd/0x170 [ 889.123656][ T10] do_syscall_64+0xc6/0x1e0 [ 889.123656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.123656][ T10] [ 889.125200][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 889.125200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.125200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.125200][ T10] ipv6_find_idev+0x102/0x170 [ 889.125200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.125200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.125200][ T10] netlink_rcv_skb+0x130/0x360 [ 889.125200][ T10] netlink_unicast+0x449/0x710 [ 889.125200][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.125200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.125200][ T10] ___sys_sendmsg+0xee/0x170 [ 889.125200][ T10] __sys_sendmsg+0xcd/0x170 [ 889.125200][ T10] do_syscall_64+0xc6/0x1e0 [ 889.125200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.125200][ T10] [ 889.127880][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 889.128309][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 889.128309][ T10] netdev_get_by_index+0x5e/0x80 [ 889.128309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.128309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.128309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.128309][ T10] ipv6_add_addr+0x411/0x2000 [ 889.128309][ T10] inet6_addr_add+0x30e/0xa40 [ 889.128309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.128309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.128309][ T10] netlink_rcv_skb+0x130/0x360 [ 889.128309][ T10] netlink_unicast+0x449/0x710 [ 889.128309][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.128309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.128309][ T10] ___sys_sendmsg+0xee/0x170 [ 889.128309][ T10] __sys_sendmsg+0xcd/0x170 [ 889.128309][ T10] do_syscall_64+0xc6/0x1e0 [ 889.128309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.128309][ T10] [ 889.130971][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 889.130971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.130971][ T10] ipv6_find_idev+0x102/0x170 [ 889.130971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.130971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.130971][ T10] netlink_rcv_skb+0x130/0x360 [ 889.130971][ T10] netlink_unicast+0x449/0x710 [ 889.130971][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.130971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.130971][ T10] ___sys_sendmsg+0xee/0x170 [ 889.130971][ T10] __sys_sendmsg+0xcd/0x170 [ 889.130971][ T10] do_syscall_64+0xc6/0x1e0 [ 889.130971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.130971][ T10] [ 889.132788][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 889.132788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.132788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.132788][ T10] ipv6_find_idev+0x102/0x170 [ 889.132788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.132788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.132788][ T10] netlink_rcv_skb+0x130/0x360 [ 889.132788][ T10] netlink_unicast+0x449/0x710 [ 889.132788][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.132788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.132788][ T10] ___sys_sendmsg+0xee/0x170 [ 889.132788][ T10] __sys_sendmsg+0xcd/0x170 [ 889.132788][ T10] do_syscall_64+0xc6/0x1e0 [ 889.132788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.132788][ T10] [ 889.134702][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 889.135033][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 889.135033][ T10] netdev_get_by_index+0x5e/0x80 [ 889.135033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.135033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.135033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.135033][ T10] ipv6_add_addr+0x411/0x2000 [ 889.135033][ T10] inet6_addr_add+0x30e/0xa40 [ 889.135033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.135033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.135033][ T10] netlink_rcv_skb+0x130/0x360 [ 889.135033][ T10] netlink_unicast+0x449/0x710 [ 889.135033][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.135033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.135033][ T10] ___sys_sendmsg+0xee/0x170 [ 889.135033][ T10] __sys_sendmsg+0xcd/0x170 [ 889.135033][ T10] do_syscall_64+0xc6/0x1e0 [ 889.135033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.135033][ T10] [ 889.137429][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 889.137429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.137429][ T10] ipv6_find_idev+0x102/0x170 [ 889.137429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.137429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.137429][ T10] netlink_rcv_skb+0x130/0x360 [ 889.137429][ T10] netlink_unicast+0x449/0x710 [ 889.137429][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.137429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.137429][ T10] ___sys_sendmsg+0xee/0x170 [ 889.137429][ T10] __sys_sendmsg+0xcd/0x170 [ 889.137429][ T10] do_syscall_64+0xc6/0x1e0 [ 889.137429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.137429][ T10] [ 889.139365][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 889.139365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.139365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.139365][ T10] ipv6_find_idev+0x102/0x170 [ 889.139365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.139365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.139365][ T10] netlink_rcv_skb+0x130/0x360 [ 889.139365][ T10] netlink_unicast+0x449/0x710 [ 889.139365][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.139365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.139365][ T10] ___sys_sendmsg+0xee/0x170 [ 889.139365][ T10] __sys_sendmsg+0xcd/0x170 [ 889.139365][ T10] do_syscall_64+0xc6/0x1e0 [ 889.139365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.139365][ T10] [ 889.142554][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 889.143083][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 889.143083][ T10] netdev_get_by_index+0x5e/0x80 [ 889.143083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 889.143083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 889.143083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 889.143083][ T10] ipv6_add_addr+0x411/0x2000 [ 889.143083][ T10] inet6_addr_add+0x30e/0xa40 [ 889.143083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 889.143083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.143083][ T10] netlink_rcv_skb+0x130/0x360 [ 889.143083][ T10] netlink_unicast+0x449/0x710 [ 889.143083][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.143083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.143083][ T10] ___sys_sendmsg+0xee/0x170 [ 889.143083][ T10] __sys_sendmsg+0xcd/0x170 [ 889.143083][ T10] do_syscall_64+0xc6/0x1e0 [ 889.143083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.143083][ T10] [ 889.145799][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 889.145799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 889.145799][ T10] ipv6_find_idev+0x102/0x170 [ 889.145799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.145799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.145799][ T10] netlink_rcv_skb+0x130/0x360 [ 889.145799][ T10] netlink_unicast+0x449/0x710 [ 889.145799][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.145799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.145799][ T10] ___sys_sendmsg+0xee/0x170 [ 889.145799][ T10] __sys_sendmsg+0xcd/0x170 [ 889.145799][ T10] do_syscall_64+0xc6/0x1e0 [ 889.145799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.145799][ T10] [ 889.147554][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 889.147554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 889.147554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 889.147554][ T10] ipv6_find_idev+0x102/0x170 [ 889.147554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.147554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.147554][ T10] netlink_rcv_skb+0x130/0x360 [ 889.147554][ T10] netlink_unicast+0x449/0x710 [ 889.147554][ T10] netlink_sendmsg+0x723/0xbe0 [ 889.147554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 889.147554][ T10] ___sys_sendmsg+0xee/0x170 [ 889.147554][ T10] __sys_sendmsg+0xcd/0x170 [ 889.147554][ T10] do_syscall_64+0xc6/0x1e0 [ 889.147554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.147554][ T10] [ 899.405913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 899.406438][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 899.406438][ T10] netdev_get_by_index+0x5e/0x80 [ 899.406438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.406438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.406438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.406438][ T10] ipv6_add_addr+0x411/0x2000 [ 899.406438][ T10] inet6_addr_add+0x30e/0xa40 [ 899.406438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.406438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.406438][ T10] netlink_rcv_skb+0x130/0x360 [ 899.406438][ T10] netlink_unicast+0x449/0x710 [ 899.406438][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.406438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.406438][ T10] ___sys_sendmsg+0xee/0x170 [ 899.406438][ T10] __sys_sendmsg+0xcd/0x170 [ 899.406438][ T10] do_syscall_64+0xc6/0x1e0 [ 899.406438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.406438][ T10] [ 899.408454][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 899.408454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.408454][ T10] ipv6_find_idev+0x102/0x170 [ 899.408454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.408454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.408454][ T10] netlink_rcv_skb+0x130/0x360 [ 899.408454][ T10] netlink_unicast+0x449/0x710 [ 899.408454][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.408454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.408454][ T10] ___sys_sendmsg+0xee/0x170 [ 899.408454][ T10] __sys_sendmsg+0xcd/0x170 [ 899.408454][ T10] do_syscall_64+0xc6/0x1e0 [ 899.408454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.408454][ T10] [ 899.409981][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 899.409981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.409981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.409981][ T10] ipv6_find_idev+0x102/0x170 [ 899.409981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.409981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.409981][ T10] netlink_rcv_skb+0x130/0x360 [ 899.409981][ T10] netlink_unicast+0x449/0x710 [ 899.409981][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.409981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.409981][ T10] ___sys_sendmsg+0xee/0x170 [ 899.409981][ T10] __sys_sendmsg+0xcd/0x170 [ 899.409981][ T10] do_syscall_64+0xc6/0x1e0 [ 899.409981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.409981][ T10] [ 899.411658][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 899.411947][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 899.411947][ T10] netdev_get_by_index+0x5e/0x80 [ 899.411947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.411947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.411947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.411947][ T10] ipv6_add_addr+0x411/0x2000 [ 899.411947][ T10] inet6_addr_add+0x30e/0xa40 [ 899.411947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.411947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.411947][ T10] netlink_rcv_skb+0x130/0x360 [ 899.411947][ T10] netlink_unicast+0x449/0x710 [ 899.411947][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.411947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.411947][ T10] ___sys_sendmsg+0xee/0x170 [ 899.411947][ T10] __sys_sendmsg+0xcd/0x170 [ 899.411947][ T10] do_syscall_64+0xc6/0x1e0 [ 899.411947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.411947][ T10] [ 899.413925][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 899.413925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.413925][ T10] ipv6_find_idev+0x102/0x170 [ 899.413925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.413925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.413925][ T10] netlink_rcv_skb+0x130/0x360 [ 899.413925][ T10] netlink_unicast+0x449/0x710 [ 899.413925][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.413925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.413925][ T10] ___sys_sendmsg+0xee/0x170 [ 899.413925][ T10] __sys_sendmsg+0xcd/0x170 [ 899.413925][ T10] do_syscall_64+0xc6/0x1e0 [ 899.413925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.413925][ T10] [ 899.415452][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 899.415452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.415452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.415452][ T10] ipv6_find_idev+0x102/0x170 [ 899.415452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.415452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.415452][ T10] netlink_rcv_skb+0x130/0x360 [ 899.415452][ T10] netlink_unicast+0x449/0x710 [ 899.415452][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.415452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.415452][ T10] ___sys_sendmsg+0xee/0x170 [ 899.415452][ T10] __sys_sendmsg+0xcd/0x170 [ 899.415452][ T10] do_syscall_64+0xc6/0x1e0 [ 899.415452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.415452][ T10] [ 899.417116][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 899.417385][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 899.417385][ T10] netdev_get_by_index+0x5e/0x80 [ 899.417385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.417385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.417385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.417385][ T10] ipv6_add_addr+0x411/0x2000 [ 899.417385][ T10] inet6_addr_add+0x30e/0xa40 [ 899.417385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.417385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.417385][ T10] netlink_rcv_skb+0x130/0x360 [ 899.417385][ T10] netlink_unicast+0x449/0x710 [ 899.417385][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.417385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.417385][ T10] ___sys_sendmsg+0xee/0x170 [ 899.417385][ T10] __sys_sendmsg+0xcd/0x170 [ 899.417385][ T10] do_syscall_64+0xc6/0x1e0 [ 899.417385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.417385][ T10] [ 899.419866][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 899.419866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.419866][ T10] ipv6_find_idev+0x102/0x170 [ 899.419866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.419866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.419866][ T10] netlink_rcv_skb+0x130/0x360 [ 899.419866][ T10] netlink_unicast+0x449/0x710 [ 899.419866][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.419866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.419866][ T10] ___sys_sendmsg+0xee/0x170 [ 899.419866][ T10] __sys_sendmsg+0xcd/0x170 [ 899.419866][ T10] do_syscall_64+0xc6/0x1e0 [ 899.419866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.419866][ T10] [ 899.421446][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 899.421446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.421446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.421446][ T10] ipv6_find_idev+0x102/0x170 [ 899.421446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.421446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.421446][ T10] netlink_rcv_skb+0x130/0x360 [ 899.421446][ T10] netlink_unicast+0x449/0x710 [ 899.421446][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.421446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.421446][ T10] ___sys_sendmsg+0xee/0x170 [ 899.421446][ T10] __sys_sendmsg+0xcd/0x170 [ 899.421446][ T10] do_syscall_64+0xc6/0x1e0 [ 899.421446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.421446][ T10] [ 899.423312][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 899.423599][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 899.423599][ T10] netdev_get_by_index+0x5e/0x80 [ 899.423599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.423599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.423599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.423599][ T10] ipv6_add_addr+0x411/0x2000 [ 899.423599][ T10] inet6_addr_add+0x30e/0xa40 [ 899.423599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.423599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.423599][ T10] netlink_rcv_skb+0x130/0x360 [ 899.423599][ T10] netlink_unicast+0x449/0x710 [ 899.423599][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.423599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.423599][ T10] ___sys_sendmsg+0xee/0x170 [ 899.423599][ T10] __sys_sendmsg+0xcd/0x170 [ 899.423599][ T10] do_syscall_64+0xc6/0x1e0 [ 899.423599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.423599][ T10] [ 899.425653][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 899.425653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.425653][ T10] ipv6_find_idev+0x102/0x170 [ 899.425653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.425653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.425653][ T10] netlink_rcv_skb+0x130/0x360 [ 899.425653][ T10] netlink_unicast+0x449/0x710 [ 899.425653][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.425653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.425653][ T10] ___sys_sendmsg+0xee/0x170 [ 899.425653][ T10] __sys_sendmsg+0xcd/0x170 [ 899.425653][ T10] do_syscall_64+0xc6/0x1e0 [ 899.425653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.425653][ T10] [ 899.427254][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 899.427254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.427254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.427254][ T10] ipv6_find_idev+0x102/0x170 [ 899.427254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.427254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.427254][ T10] netlink_rcv_skb+0x130/0x360 [ 899.427254][ T10] netlink_unicast+0x449/0x710 [ 899.427254][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.427254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.427254][ T10] ___sys_sendmsg+0xee/0x170 [ 899.427254][ T10] __sys_sendmsg+0xcd/0x170 [ 899.427254][ T10] do_syscall_64+0xc6/0x1e0 [ 899.427254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.427254][ T10] [ 899.429489][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 899.429780][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 899.429780][ T10] netdev_get_by_index+0x5e/0x80 [ 899.429780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.429780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.429780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.429780][ T10] ipv6_add_addr+0x411/0x2000 [ 899.429780][ T10] inet6_addr_add+0x30e/0xa40 [ 899.429780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.429780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.429780][ T10] netlink_rcv_skb+0x130/0x360 [ 899.429780][ T10] netlink_unicast+0x449/0x710 [ 899.429780][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.429780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.429780][ T10] ___sys_sendmsg+0xee/0x170 [ 899.429780][ T10] __sys_sendmsg+0xcd/0x170 [ 899.429780][ T10] do_syscall_64+0xc6/0x1e0 [ 899.429780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.429780][ T10] [ 899.431876][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 899.431876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.431876][ T10] ipv6_find_idev+0x102/0x170 [ 899.431876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.431876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.431876][ T10] netlink_rcv_skb+0x130/0x360 [ 899.431876][ T10] netlink_unicast+0x449/0x710 [ 899.431876][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.431876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.431876][ T10] ___sys_sendmsg+0xee/0x170 [ 899.431876][ T10] __sys_sendmsg+0xcd/0x170 [ 899.431876][ T10] do_syscall_64+0xc6/0x1e0 [ 899.431876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.431876][ T10] [ 899.433416][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 899.433416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.433416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.433416][ T10] ipv6_find_idev+0x102/0x170 [ 899.433416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.433416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.433416][ T10] netlink_rcv_skb+0x130/0x360 [ 899.433416][ T10] netlink_unicast+0x449/0x710 [ 899.433416][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.433416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.433416][ T10] ___sys_sendmsg+0xee/0x170 [ 899.433416][ T10] __sys_sendmsg+0xcd/0x170 [ 899.433416][ T10] do_syscall_64+0xc6/0x1e0 [ 899.433416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.433416][ T10] [ 899.435132][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 899.435394][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 899.435394][ T10] netdev_get_by_index+0x5e/0x80 [ 899.435394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.435394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.435394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.435394][ T10] ipv6_add_addr+0x411/0x2000 [ 899.435394][ T10] inet6_addr_add+0x30e/0xa40 [ 899.435394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.435394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.435394][ T10] netlink_rcv_skb+0x130/0x360 [ 899.435394][ T10] netlink_unicast+0x449/0x710 [ 899.435394][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.435394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.435394][ T10] ___sys_sendmsg+0xee/0x170 [ 899.435394][ T10] __sys_sendmsg+0xcd/0x170 [ 899.435394][ T10] do_syscall_64+0xc6/0x1e0 [ 899.435394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.435394][ T10] [ 899.437577][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 899.437577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.437577][ T10] ipv6_find_idev+0x102/0x170 [ 899.437577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.437577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.437577][ T10] netlink_rcv_skb+0x130/0x360 [ 899.437577][ T10] netlink_unicast+0x449/0x710 [ 899.437577][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.437577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.437577][ T10] ___sys_sendmsg+0xee/0x170 [ 899.437577][ T10] __sys_sendmsg+0xcd/0x170 [ 899.437577][ T10] do_syscall_64+0xc6/0x1e0 [ 899.437577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.437577][ T10] [ 899.439354][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 899.439354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.439354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.439354][ T10] ipv6_find_idev+0x102/0x170 [ 899.439354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.439354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.439354][ T10] netlink_rcv_skb+0x130/0x360 [ 899.439354][ T10] netlink_unicast+0x449/0x710 [ 899.439354][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.439354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.439354][ T10] ___sys_sendmsg+0xee/0x170 [ 899.439354][ T10] __sys_sendmsg+0xcd/0x170 [ 899.439354][ T10] do_syscall_64+0xc6/0x1e0 [ 899.439354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.439354][ T10] [ 899.441238][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 899.441496][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 899.441496][ T10] netdev_get_by_index+0x5e/0x80 [ 899.441496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.441496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.441496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.441496][ T10] ipv6_add_addr+0x411/0x2000 [ 899.441496][ T10] inet6_addr_add+0x30e/0xa40 [ 899.441496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.441496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.441496][ T10] netlink_rcv_skb+0x130/0x360 [ 899.441496][ T10] netlink_unicast+0x449/0x710 [ 899.441496][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.441496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.441496][ T10] ___sys_sendmsg+0xee/0x170 [ 899.441496][ T10] __sys_sendmsg+0xcd/0x170 [ 899.441496][ T10] do_syscall_64+0xc6/0x1e0 [ 899.441496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.441496][ T10] [ 899.443663][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 899.443663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.443663][ T10] ipv6_find_idev+0x102/0x170 [ 899.443663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.443663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.443663][ T10] netlink_rcv_skb+0x130/0x360 [ 899.443663][ T10] netlink_unicast+0x449/0x710 [ 899.443663][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.443663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.443663][ T10] ___sys_sendmsg+0xee/0x170 [ 899.443663][ T10] __sys_sendmsg+0xcd/0x170 [ 899.443663][ T10] do_syscall_64+0xc6/0x1e0 [ 899.443663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.443663][ T10] [ 899.445440][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 899.445440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.445440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.445440][ T10] ipv6_find_idev+0x102/0x170 [ 899.445440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.445440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.445440][ T10] netlink_rcv_skb+0x130/0x360 [ 899.445440][ T10] netlink_unicast+0x449/0x710 [ 899.445440][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.445440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.445440][ T10] ___sys_sendmsg+0xee/0x170 [ 899.445440][ T10] __sys_sendmsg+0xcd/0x170 [ 899.445440][ T10] do_syscall_64+0xc6/0x1e0 [ 899.445440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.445440][ T10] [ 899.447378][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 899.447649][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 899.447649][ T10] netdev_get_by_index+0x5e/0x80 [ 899.447649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 899.447649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 899.447649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 899.447649][ T10] ipv6_add_addr+0x411/0x2000 [ 899.447649][ T10] inet6_addr_add+0x30e/0xa40 [ 899.447649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 899.447649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.447649][ T10] netlink_rcv_skb+0x130/0x360 [ 899.447649][ T10] netlink_unicast+0x449/0x710 [ 899.447649][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.447649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.447649][ T10] ___sys_sendmsg+0xee/0x170 [ 899.447649][ T10] __sys_sendmsg+0xcd/0x170 [ 899.447649][ T10] do_syscall_64+0xc6/0x1e0 [ 899.447649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.447649][ T10] [ 899.449872][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 899.449872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 899.449872][ T10] ipv6_find_idev+0x102/0x170 [ 899.449872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.449872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.449872][ T10] netlink_rcv_skb+0x130/0x360 [ 899.449872][ T10] netlink_unicast+0x449/0x710 [ 899.449872][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.449872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.449872][ T10] ___sys_sendmsg+0xee/0x170 [ 899.449872][ T10] __sys_sendmsg+0xcd/0x170 [ 899.449872][ T10] do_syscall_64+0xc6/0x1e0 [ 899.449872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.449872][ T10] [ 899.451570][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 899.451570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 899.451570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 899.451570][ T10] ipv6_find_idev+0x102/0x170 [ 899.451570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.451570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.451570][ T10] netlink_rcv_skb+0x130/0x360 [ 899.451570][ T10] netlink_unicast+0x449/0x710 [ 899.451570][ T10] netlink_sendmsg+0x723/0xbe0 [ 899.451570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 899.451570][ T10] ___sys_sendmsg+0xee/0x170 [ 899.451570][ T10] __sys_sendmsg+0xcd/0x170 [ 899.451570][ T10] do_syscall_64+0xc6/0x1e0 [ 899.451570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.451570][ T10] [ 909.661970][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 909.662447][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 909.662447][ T10] netdev_get_by_index+0x5e/0x80 [ 909.662447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.662447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.662447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.662447][ T10] ipv6_add_addr+0x411/0x2000 [ 909.662447][ T10] inet6_addr_add+0x30e/0xa40 [ 909.662447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.662447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.662447][ T10] netlink_rcv_skb+0x130/0x360 [ 909.662447][ T10] netlink_unicast+0x449/0x710 [ 909.662447][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.662447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.662447][ T10] ___sys_sendmsg+0xee/0x170 [ 909.662447][ T10] __sys_sendmsg+0xcd/0x170 [ 909.662447][ T10] do_syscall_64+0xc6/0x1e0 [ 909.662447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.662447][ T10] [ 909.664449][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 909.664449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.664449][ T10] ipv6_find_idev+0x102/0x170 [ 909.664449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.664449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.664449][ T10] netlink_rcv_skb+0x130/0x360 [ 909.664449][ T10] netlink_unicast+0x449/0x710 [ 909.664449][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.664449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.664449][ T10] ___sys_sendmsg+0xee/0x170 [ 909.664449][ T10] __sys_sendmsg+0xcd/0x170 [ 909.664449][ T10] do_syscall_64+0xc6/0x1e0 [ 909.664449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.664449][ T10] [ 909.665984][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 909.665984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.665984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.665984][ T10] ipv6_find_idev+0x102/0x170 [ 909.665984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.665984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.665984][ T10] netlink_rcv_skb+0x130/0x360 [ 909.665984][ T10] netlink_unicast+0x449/0x710 [ 909.665984][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.665984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.665984][ T10] ___sys_sendmsg+0xee/0x170 [ 909.665984][ T10] __sys_sendmsg+0xcd/0x170 [ 909.665984][ T10] do_syscall_64+0xc6/0x1e0 [ 909.665984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.665984][ T10] [ 909.667696][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 909.668010][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 909.668010][ T10] netdev_get_by_index+0x5e/0x80 [ 909.668010][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.668010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.668010][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.668010][ T10] ipv6_add_addr+0x411/0x2000 [ 909.668010][ T10] inet6_addr_add+0x30e/0xa40 [ 909.668010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.668010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.668010][ T10] netlink_rcv_skb+0x130/0x360 [ 909.668010][ T10] netlink_unicast+0x449/0x710 [ 909.668010][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.668010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.668010][ T10] ___sys_sendmsg+0xee/0x170 [ 909.668010][ T10] __sys_sendmsg+0xcd/0x170 [ 909.668010][ T10] do_syscall_64+0xc6/0x1e0 [ 909.668010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.668010][ T10] [ 909.670219][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 909.670219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.670219][ T10] ipv6_find_idev+0x102/0x170 [ 909.670219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.670219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.670219][ T10] netlink_rcv_skb+0x130/0x360 [ 909.670219][ T10] netlink_unicast+0x449/0x710 [ 909.670219][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.670219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.670219][ T10] ___sys_sendmsg+0xee/0x170 [ 909.670219][ T10] __sys_sendmsg+0xcd/0x170 [ 909.670219][ T10] do_syscall_64+0xc6/0x1e0 [ 909.670219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.670219][ T10] [ 909.671831][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 909.671831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.671831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.671831][ T10] ipv6_find_idev+0x102/0x170 [ 909.671831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.671831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.671831][ T10] netlink_rcv_skb+0x130/0x360 [ 909.671831][ T10] netlink_unicast+0x449/0x710 [ 909.671831][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.671831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.671831][ T10] ___sys_sendmsg+0xee/0x170 [ 909.671831][ T10] __sys_sendmsg+0xcd/0x170 [ 909.671831][ T10] do_syscall_64+0xc6/0x1e0 [ 909.671831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.671831][ T10] [ 909.673522][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 909.673796][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 909.673796][ T10] netdev_get_by_index+0x5e/0x80 [ 909.673796][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.673796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.673796][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.673796][ T10] ipv6_add_addr+0x411/0x2000 [ 909.673796][ T10] inet6_addr_add+0x30e/0xa40 [ 909.673796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.673796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.673796][ T10] netlink_rcv_skb+0x130/0x360 [ 909.673796][ T10] netlink_unicast+0x449/0x710 [ 909.673796][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.673796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.673796][ T10] ___sys_sendmsg+0xee/0x170 [ 909.673796][ T10] __sys_sendmsg+0xcd/0x170 [ 909.673796][ T10] do_syscall_64+0xc6/0x1e0 [ 909.673796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.673796][ T10] [ 909.675836][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 909.675836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.675836][ T10] ipv6_find_idev+0x102/0x170 [ 909.675836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.675836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.675836][ T10] netlink_rcv_skb+0x130/0x360 [ 909.675836][ T10] netlink_unicast+0x449/0x710 [ 909.675836][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.675836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.675836][ T10] ___sys_sendmsg+0xee/0x170 [ 909.675836][ T10] __sys_sendmsg+0xcd/0x170 [ 909.675836][ T10] do_syscall_64+0xc6/0x1e0 [ 909.675836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.675836][ T10] [ 909.677370][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 909.677370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.677370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.677370][ T10] ipv6_find_idev+0x102/0x170 [ 909.677370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.677370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.677370][ T10] netlink_rcv_skb+0x130/0x360 [ 909.677370][ T10] netlink_unicast+0x449/0x710 [ 909.677370][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.677370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.677370][ T10] ___sys_sendmsg+0xee/0x170 [ 909.677370][ T10] __sys_sendmsg+0xcd/0x170 [ 909.677370][ T10] do_syscall_64+0xc6/0x1e0 [ 909.677370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.677370][ T10] [ 909.679060][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 909.679321][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 909.679321][ T10] netdev_get_by_index+0x5e/0x80 [ 909.679321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.679321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.679321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.679321][ T10] ipv6_add_addr+0x411/0x2000 [ 909.679321][ T10] inet6_addr_add+0x30e/0xa40 [ 909.679321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.679321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.679321][ T10] netlink_rcv_skb+0x130/0x360 [ 909.679321][ T10] netlink_unicast+0x449/0x710 [ 909.679321][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.679321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.679321][ T10] ___sys_sendmsg+0xee/0x170 [ 909.679321][ T10] __sys_sendmsg+0xcd/0x170 [ 909.679321][ T10] do_syscall_64+0xc6/0x1e0 [ 909.679321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.679321][ T10] [ 909.681445][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 909.681445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.681445][ T10] ipv6_find_idev+0x102/0x170 [ 909.681445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.681445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.681445][ T10] netlink_rcv_skb+0x130/0x360 [ 909.681445][ T10] netlink_unicast+0x449/0x710 [ 909.681445][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.681445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.681445][ T10] ___sys_sendmsg+0xee/0x170 [ 909.681445][ T10] __sys_sendmsg+0xcd/0x170 [ 909.681445][ T10] do_syscall_64+0xc6/0x1e0 [ 909.681445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.681445][ T10] [ 909.683140][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 909.683140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.683140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.683140][ T10] ipv6_find_idev+0x102/0x170 [ 909.683140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.683140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.683140][ T10] netlink_rcv_skb+0x130/0x360 [ 909.683140][ T10] netlink_unicast+0x449/0x710 [ 909.683140][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.683140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.683140][ T10] ___sys_sendmsg+0xee/0x170 [ 909.683140][ T10] __sys_sendmsg+0xcd/0x170 [ 909.683140][ T10] do_syscall_64+0xc6/0x1e0 [ 909.683140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.683140][ T10] [ 909.685361][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 909.685626][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 909.685626][ T10] netdev_get_by_index+0x5e/0x80 [ 909.685626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.685626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.685626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.685626][ T10] ipv6_add_addr+0x411/0x2000 [ 909.685626][ T10] inet6_addr_add+0x30e/0xa40 [ 909.685626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.685626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.685626][ T10] netlink_rcv_skb+0x130/0x360 [ 909.685626][ T10] netlink_unicast+0x449/0x710 [ 909.685626][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.685626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.685626][ T10] ___sys_sendmsg+0xee/0x170 [ 909.685626][ T10] __sys_sendmsg+0xcd/0x170 [ 909.685626][ T10] do_syscall_64+0xc6/0x1e0 [ 909.685626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.685626][ T10] [ 909.687611][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 909.687611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.687611][ T10] ipv6_find_idev+0x102/0x170 [ 909.687611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.687611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.687611][ T10] netlink_rcv_skb+0x130/0x360 [ 909.687611][ T10] netlink_unicast+0x449/0x710 [ 909.687611][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.687611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.687611][ T10] ___sys_sendmsg+0xee/0x170 [ 909.687611][ T10] __sys_sendmsg+0xcd/0x170 [ 909.687611][ T10] do_syscall_64+0xc6/0x1e0 [ 909.687611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.687611][ T10] [ 909.689138][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 909.689138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.689138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.689138][ T10] ipv6_find_idev+0x102/0x170 [ 909.689138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.689138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.689138][ T10] netlink_rcv_skb+0x130/0x360 [ 909.689138][ T10] netlink_unicast+0x449/0x710 [ 909.689138][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.689138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.689138][ T10] ___sys_sendmsg+0xee/0x170 [ 909.689138][ T10] __sys_sendmsg+0xcd/0x170 [ 909.689138][ T10] do_syscall_64+0xc6/0x1e0 [ 909.689138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.689138][ T10] [ 909.690855][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 909.691143][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 909.691143][ T10] netdev_get_by_index+0x5e/0x80 [ 909.691143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.691143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.691143][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.691143][ T10] ipv6_add_addr+0x411/0x2000 [ 909.691143][ T10] inet6_addr_add+0x30e/0xa40 [ 909.691143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.691143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.691143][ T10] netlink_rcv_skb+0x130/0x360 [ 909.691143][ T10] netlink_unicast+0x449/0x710 [ 909.691143][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.691143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.691143][ T10] ___sys_sendmsg+0xee/0x170 [ 909.691143][ T10] __sys_sendmsg+0xcd/0x170 [ 909.691143][ T10] do_syscall_64+0xc6/0x1e0 [ 909.691143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.691143][ T10] [ 909.693360][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 909.693360][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.693360][ T10] ipv6_find_idev+0x102/0x170 [ 909.693360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.693360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.693360][ T10] netlink_rcv_skb+0x130/0x360 [ 909.693360][ T10] netlink_unicast+0x449/0x710 [ 909.693360][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.693360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.693360][ T10] ___sys_sendmsg+0xee/0x170 [ 909.693360][ T10] __sys_sendmsg+0xcd/0x170 [ 909.693360][ T10] do_syscall_64+0xc6/0x1e0 [ 909.693360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.693360][ T10] [ 909.695129][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 909.695129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.695129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.695129][ T10] ipv6_find_idev+0x102/0x170 [ 909.695129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.695129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.695129][ T10] netlink_rcv_skb+0x130/0x360 [ 909.695129][ T10] netlink_unicast+0x449/0x710 [ 909.695129][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.695129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.695129][ T10] ___sys_sendmsg+0xee/0x170 [ 909.695129][ T10] __sys_sendmsg+0xcd/0x170 [ 909.695129][ T10] do_syscall_64+0xc6/0x1e0 [ 909.695129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.695129][ T10] [ 909.697038][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 909.697296][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 909.697296][ T10] netdev_get_by_index+0x5e/0x80 [ 909.697296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.697296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.697296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.697296][ T10] ipv6_add_addr+0x411/0x2000 [ 909.697296][ T10] inet6_addr_add+0x30e/0xa40 [ 909.697296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.697296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.697296][ T10] netlink_rcv_skb+0x130/0x360 [ 909.697296][ T10] netlink_unicast+0x449/0x710 [ 909.697296][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.697296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.697296][ T10] ___sys_sendmsg+0xee/0x170 [ 909.697296][ T10] __sys_sendmsg+0xcd/0x170 [ 909.697296][ T10] do_syscall_64+0xc6/0x1e0 [ 909.697296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.697296][ T10] [ 909.699460][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 909.699460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.699460][ T10] ipv6_find_idev+0x102/0x170 [ 909.699460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.699460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.699460][ T10] netlink_rcv_skb+0x130/0x360 [ 909.699460][ T10] netlink_unicast+0x449/0x710 [ 909.699460][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.699460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.699460][ T10] ___sys_sendmsg+0xee/0x170 [ 909.699460][ T10] __sys_sendmsg+0xcd/0x170 [ 909.699460][ T10] do_syscall_64+0xc6/0x1e0 [ 909.699460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.699460][ T10] [ 909.701174][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 909.701174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.701174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.701174][ T10] ipv6_find_idev+0x102/0x170 [ 909.701174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.701174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.701174][ T10] netlink_rcv_skb+0x130/0x360 [ 909.701174][ T10] netlink_unicast+0x449/0x710 [ 909.701174][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.701174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.701174][ T10] ___sys_sendmsg+0xee/0x170 [ 909.701174][ T10] __sys_sendmsg+0xcd/0x170 [ 909.701174][ T10] do_syscall_64+0xc6/0x1e0 [ 909.701174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.701174][ T10] [ 909.703128][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 909.703386][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 909.703386][ T10] netdev_get_by_index+0x5e/0x80 [ 909.703386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 909.703386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 909.703386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 909.703386][ T10] ipv6_add_addr+0x411/0x2000 [ 909.703386][ T10] inet6_addr_add+0x30e/0xa40 [ 909.703386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 909.703386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.703386][ T10] netlink_rcv_skb+0x130/0x360 [ 909.703386][ T10] netlink_unicast+0x449/0x710 [ 909.703386][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.703386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.703386][ T10] ___sys_sendmsg+0xee/0x170 [ 909.703386][ T10] __sys_sendmsg+0xcd/0x170 [ 909.703386][ T10] do_syscall_64+0xc6/0x1e0 [ 909.703386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.703386][ T10] [ 909.705628][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 909.705628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 909.705628][ T10] ipv6_find_idev+0x102/0x170 [ 909.705628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.705628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.705628][ T10] netlink_rcv_skb+0x130/0x360 [ 909.705628][ T10] netlink_unicast+0x449/0x710 [ 909.705628][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.705628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.705628][ T10] ___sys_sendmsg+0xee/0x170 [ 909.705628][ T10] __sys_sendmsg+0xcd/0x170 [ 909.705628][ T10] do_syscall_64+0xc6/0x1e0 [ 909.705628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.705628][ T10] [ 909.707391][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 909.707391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 909.707391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 909.707391][ T10] ipv6_find_idev+0x102/0x170 [ 909.707391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.707391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.707391][ T10] netlink_rcv_skb+0x130/0x360 [ 909.707391][ T10] netlink_unicast+0x449/0x710 [ 909.707391][ T10] netlink_sendmsg+0x723/0xbe0 [ 909.707391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 909.707391][ T10] ___sys_sendmsg+0xee/0x170 [ 909.707391][ T10] __sys_sendmsg+0xcd/0x170 [ 909.707391][ T10] do_syscall_64+0xc6/0x1e0 [ 909.707391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.707391][ T10] [ 920.334079][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 920.334578][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 920.334578][ T10] netdev_get_by_index+0x5e/0x80 [ 920.334578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.334578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.334578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.334578][ T10] ipv6_add_addr+0x411/0x2000 [ 920.334578][ T10] inet6_addr_add+0x30e/0xa40 [ 920.334578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.334578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.334578][ T10] netlink_rcv_skb+0x130/0x360 [ 920.334578][ T10] netlink_unicast+0x449/0x710 [ 920.334578][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.334578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.334578][ T10] ___sys_sendmsg+0xee/0x170 [ 920.334578][ T10] __sys_sendmsg+0xcd/0x170 [ 920.334578][ T10] do_syscall_64+0xc6/0x1e0 [ 920.334578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.334578][ T10] [ 920.336578][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 920.336578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.336578][ T10] ipv6_find_idev+0x102/0x170 [ 920.336578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.336578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.336578][ T10] netlink_rcv_skb+0x130/0x360 [ 920.336578][ T10] netlink_unicast+0x449/0x710 [ 920.336578][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.336578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.336578][ T10] ___sys_sendmsg+0xee/0x170 [ 920.336578][ T10] __sys_sendmsg+0xcd/0x170 [ 920.336578][ T10] do_syscall_64+0xc6/0x1e0 [ 920.336578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.336578][ T10] [ 920.338117][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 920.338117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.338117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.338117][ T10] ipv6_find_idev+0x102/0x170 [ 920.338117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.338117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.338117][ T10] netlink_rcv_skb+0x130/0x360 [ 920.338117][ T10] netlink_unicast+0x449/0x710 [ 920.338117][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.338117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.338117][ T10] ___sys_sendmsg+0xee/0x170 [ 920.338117][ T10] __sys_sendmsg+0xcd/0x170 [ 920.338117][ T10] do_syscall_64+0xc6/0x1e0 [ 920.338117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.338117][ T10] [ 920.339822][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 920.340099][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 920.340099][ T10] netdev_get_by_index+0x5e/0x80 [ 920.340099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.340099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.340099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.340099][ T10] ipv6_add_addr+0x411/0x2000 [ 920.340099][ T10] inet6_addr_add+0x30e/0xa40 [ 920.340099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.340099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.340099][ T10] netlink_rcv_skb+0x130/0x360 [ 920.340099][ T10] netlink_unicast+0x449/0x710 [ 920.340099][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.340099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.340099][ T10] ___sys_sendmsg+0xee/0x170 [ 920.340099][ T10] __sys_sendmsg+0xcd/0x170 [ 920.340099][ T10] do_syscall_64+0xc6/0x1e0 [ 920.340099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.340099][ T10] [ 920.342081][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 920.342081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.342081][ T10] ipv6_find_idev+0x102/0x170 [ 920.342081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.342081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.342081][ T10] netlink_rcv_skb+0x130/0x360 [ 920.342081][ T10] netlink_unicast+0x449/0x710 [ 920.342081][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.342081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.342081][ T10] ___sys_sendmsg+0xee/0x170 [ 920.342081][ T10] __sys_sendmsg+0xcd/0x170 [ 920.342081][ T10] do_syscall_64+0xc6/0x1e0 [ 920.342081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.342081][ T10] [ 920.343608][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 920.343608][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.343608][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.343608][ T10] ipv6_find_idev+0x102/0x170 [ 920.343608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.343608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.343608][ T10] netlink_rcv_skb+0x130/0x360 [ 920.343608][ T10] netlink_unicast+0x449/0x710 [ 920.343608][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.343608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.343608][ T10] ___sys_sendmsg+0xee/0x170 [ 920.343608][ T10] __sys_sendmsg+0xcd/0x170 [ 920.343608][ T10] do_syscall_64+0xc6/0x1e0 [ 920.343608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.343608][ T10] [ 920.345285][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 920.345551][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 920.345551][ T10] netdev_get_by_index+0x5e/0x80 [ 920.345551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.345551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.345551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.345551][ T10] ipv6_add_addr+0x411/0x2000 [ 920.345551][ T10] inet6_addr_add+0x30e/0xa40 [ 920.345551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.345551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.345551][ T10] netlink_rcv_skb+0x130/0x360 [ 920.345551][ T10] netlink_unicast+0x449/0x710 [ 920.345551][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.345551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.345551][ T10] ___sys_sendmsg+0xee/0x170 [ 920.345551][ T10] __sys_sendmsg+0xcd/0x170 [ 920.345551][ T10] do_syscall_64+0xc6/0x1e0 [ 920.345551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.345551][ T10] [ 920.347539][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 920.347539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.347539][ T10] ipv6_find_idev+0x102/0x170 [ 920.347539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.347539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.347539][ T10] netlink_rcv_skb+0x130/0x360 [ 920.347539][ T10] netlink_unicast+0x449/0x710 [ 920.347539][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.347539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.347539][ T10] ___sys_sendmsg+0xee/0x170 [ 920.347539][ T10] __sys_sendmsg+0xcd/0x170 [ 920.347539][ T10] do_syscall_64+0xc6/0x1e0 [ 920.347539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.347539][ T10] [ 920.349064][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 920.349064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.349064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.349064][ T10] ipv6_find_idev+0x102/0x170 [ 920.349064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.349064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.349064][ T10] netlink_rcv_skb+0x130/0x360 [ 920.349064][ T10] netlink_unicast+0x449/0x710 [ 920.349064][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.349064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.349064][ T10] ___sys_sendmsg+0xee/0x170 [ 920.349064][ T10] __sys_sendmsg+0xcd/0x170 [ 920.349064][ T10] do_syscall_64+0xc6/0x1e0 [ 920.349064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.349064][ T10] [ 920.350729][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 920.351439][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 920.351439][ T10] netdev_get_by_index+0x5e/0x80 [ 920.351439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.351439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.351439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.351439][ T10] ipv6_add_addr+0x411/0x2000 [ 920.351439][ T10] inet6_addr_add+0x30e/0xa40 [ 920.351439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.351439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.351439][ T10] netlink_rcv_skb+0x130/0x360 [ 920.351439][ T10] netlink_unicast+0x449/0x710 [ 920.351439][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.351439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.351439][ T10] ___sys_sendmsg+0xee/0x170 [ 920.351439][ T10] __sys_sendmsg+0xcd/0x170 [ 920.351439][ T10] do_syscall_64+0xc6/0x1e0 [ 920.351439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.351439][ T10] [ 920.353401][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 920.353401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.353401][ T10] ipv6_find_idev+0x102/0x170 [ 920.353401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.353401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.353401][ T10] netlink_rcv_skb+0x130/0x360 [ 920.353401][ T10] netlink_unicast+0x449/0x710 [ 920.353401][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.353401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.353401][ T10] ___sys_sendmsg+0xee/0x170 [ 920.353401][ T10] __sys_sendmsg+0xcd/0x170 [ 920.353401][ T10] do_syscall_64+0xc6/0x1e0 [ 920.353401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.353401][ T10] [ 920.354937][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 920.354937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.354937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.354937][ T10] ipv6_find_idev+0x102/0x170 [ 920.354937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.354937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.354937][ T10] netlink_rcv_skb+0x130/0x360 [ 920.354937][ T10] netlink_unicast+0x449/0x710 [ 920.354937][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.354937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.354937][ T10] ___sys_sendmsg+0xee/0x170 [ 920.354937][ T10] __sys_sendmsg+0xcd/0x170 [ 920.354937][ T10] do_syscall_64+0xc6/0x1e0 [ 920.354937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.354937][ T10] [ 920.356728][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 920.357059][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 920.357059][ T10] netdev_get_by_index+0x5e/0x80 [ 920.357059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.357059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.357059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.357059][ T10] ipv6_add_addr+0x411/0x2000 [ 920.357059][ T10] inet6_addr_add+0x30e/0xa40 [ 920.357059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.357059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.357059][ T10] netlink_rcv_skb+0x130/0x360 [ 920.357059][ T10] netlink_unicast+0x449/0x710 [ 920.357059][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.357059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.357059][ T10] ___sys_sendmsg+0xee/0x170 [ 920.357059][ T10] __sys_sendmsg+0xcd/0x170 [ 920.357059][ T10] do_syscall_64+0xc6/0x1e0 [ 920.357059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.357059][ T10] [ 920.359045][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 920.359045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.359045][ T10] ipv6_find_idev+0x102/0x170 [ 920.359045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.359045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.359045][ T10] netlink_rcv_skb+0x130/0x360 [ 920.359045][ T10] netlink_unicast+0x449/0x710 [ 920.359045][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.359045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.359045][ T10] ___sys_sendmsg+0xee/0x170 [ 920.359045][ T10] __sys_sendmsg+0xcd/0x170 [ 920.359045][ T10] do_syscall_64+0xc6/0x1e0 [ 920.359045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.359045][ T10] [ 920.360566][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 920.360566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.360566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.360566][ T10] ipv6_find_idev+0x102/0x170 [ 920.360566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.360566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.360566][ T10] netlink_rcv_skb+0x130/0x360 [ 920.360566][ T10] netlink_unicast+0x449/0x710 [ 920.360566][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.360566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.360566][ T10] ___sys_sendmsg+0xee/0x170 [ 920.360566][ T10] __sys_sendmsg+0xcd/0x170 [ 920.360566][ T10] do_syscall_64+0xc6/0x1e0 [ 920.360566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.360566][ T10] [ 920.362266][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 920.362529][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 920.362529][ T10] netdev_get_by_index+0x5e/0x80 [ 920.362529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.362529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.362529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.362529][ T10] ipv6_add_addr+0x411/0x2000 [ 920.362529][ T10] inet6_addr_add+0x30e/0xa40 [ 920.362529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.362529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.362529][ T10] netlink_rcv_skb+0x130/0x360 [ 920.362529][ T10] netlink_unicast+0x449/0x710 [ 920.362529][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.362529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.362529][ T10] ___sys_sendmsg+0xee/0x170 [ 920.362529][ T10] __sys_sendmsg+0xcd/0x170 [ 920.362529][ T10] do_syscall_64+0xc6/0x1e0 [ 920.362529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.362529][ T10] [ 920.364562][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 920.364562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.364562][ T10] ipv6_find_idev+0x102/0x170 [ 920.364562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.364562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.364562][ T10] netlink_rcv_skb+0x130/0x360 [ 920.364562][ T10] netlink_unicast+0x449/0x710 [ 920.364562][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.364562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.364562][ T10] ___sys_sendmsg+0xee/0x170 [ 920.364562][ T10] __sys_sendmsg+0xcd/0x170 [ 920.364562][ T10] do_syscall_64+0xc6/0x1e0 [ 920.364562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.364562][ T10] [ 920.366262][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 920.366262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.366262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.366262][ T10] ipv6_find_idev+0x102/0x170 [ 920.366262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.366262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.366262][ T10] netlink_rcv_skb+0x130/0x360 [ 920.366262][ T10] netlink_unicast+0x449/0x710 [ 920.366262][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.366262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.366262][ T10] ___sys_sendmsg+0xee/0x170 [ 920.366262][ T10] __sys_sendmsg+0xcd/0x170 [ 920.366262][ T10] do_syscall_64+0xc6/0x1e0 [ 920.366262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.366262][ T10] [ 920.368219][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 920.368480][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 920.368480][ T10] netdev_get_by_index+0x5e/0x80 [ 920.368480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.368480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.368480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.368480][ T10] ipv6_add_addr+0x411/0x2000 [ 920.368480][ T10] inet6_addr_add+0x30e/0xa40 [ 920.368480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.368480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.368480][ T10] netlink_rcv_skb+0x130/0x360 [ 920.368480][ T10] netlink_unicast+0x449/0x710 [ 920.368480][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.368480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.368480][ T10] ___sys_sendmsg+0xee/0x170 [ 920.368480][ T10] __sys_sendmsg+0xcd/0x170 [ 920.368480][ T10] do_syscall_64+0xc6/0x1e0 [ 920.368480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.368480][ T10] [ 920.370649][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 920.370649][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.370649][ T10] ipv6_find_idev+0x102/0x170 [ 920.370649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.370649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.370649][ T10] netlink_rcv_skb+0x130/0x360 [ 920.370649][ T10] netlink_unicast+0x449/0x710 [ 920.370649][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.370649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.370649][ T10] ___sys_sendmsg+0xee/0x170 [ 920.370649][ T10] __sys_sendmsg+0xcd/0x170 [ 920.370649][ T10] do_syscall_64+0xc6/0x1e0 [ 920.370649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.370649][ T10] [ 920.372352][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 920.372352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.372352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.372352][ T10] ipv6_find_idev+0x102/0x170 [ 920.372352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.372352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.372352][ T10] netlink_rcv_skb+0x130/0x360 [ 920.372352][ T10] netlink_unicast+0x449/0x710 [ 920.372352][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.372352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.372352][ T10] ___sys_sendmsg+0xee/0x170 [ 920.372352][ T10] __sys_sendmsg+0xcd/0x170 [ 920.372352][ T10] do_syscall_64+0xc6/0x1e0 [ 920.372352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.372352][ T10] [ 920.374289][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 920.374557][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 920.374557][ T10] netdev_get_by_index+0x5e/0x80 [ 920.374557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 920.374557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 920.374557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 920.374557][ T10] ipv6_add_addr+0x411/0x2000 [ 920.374557][ T10] inet6_addr_add+0x30e/0xa40 [ 920.374557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 920.374557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.374557][ T10] netlink_rcv_skb+0x130/0x360 [ 920.374557][ T10] netlink_unicast+0x449/0x710 [ 920.374557][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.374557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.374557][ T10] ___sys_sendmsg+0xee/0x170 [ 920.374557][ T10] __sys_sendmsg+0xcd/0x170 [ 920.374557][ T10] do_syscall_64+0xc6/0x1e0 [ 920.374557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.374557][ T10] [ 920.376707][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 920.376707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 920.376707][ T10] ipv6_find_idev+0x102/0x170 [ 920.376707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.376707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.376707][ T10] netlink_rcv_skb+0x130/0x360 [ 920.376707][ T10] netlink_unicast+0x449/0x710 [ 920.376707][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.376707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.376707][ T10] ___sys_sendmsg+0xee/0x170 [ 920.376707][ T10] __sys_sendmsg+0xcd/0x170 [ 920.376707][ T10] do_syscall_64+0xc6/0x1e0 [ 920.376707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.376707][ T10] [ 920.378620][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 920.378620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 920.378620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 920.378620][ T10] ipv6_find_idev+0x102/0x170 [ 920.378620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.378620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.378620][ T10] netlink_rcv_skb+0x130/0x360 [ 920.378620][ T10] netlink_unicast+0x449/0x710 [ 920.378620][ T10] netlink_sendmsg+0x723/0xbe0 [ 920.378620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 920.378620][ T10] ___sys_sendmsg+0xee/0x170 [ 920.378620][ T10] __sys_sendmsg+0xcd/0x170 [ 920.378620][ T10] do_syscall_64+0xc6/0x1e0 [ 920.378620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.378620][ T10] [ 930.629960][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 930.630490][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 930.630490][ T10] netdev_get_by_index+0x5e/0x80 [ 930.630490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.630490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.630490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.630490][ T10] ipv6_add_addr+0x411/0x2000 [ 930.630490][ T10] inet6_addr_add+0x30e/0xa40 [ 930.630490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.630490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.630490][ T10] netlink_rcv_skb+0x130/0x360 [ 930.630490][ T10] netlink_unicast+0x449/0x710 [ 930.630490][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.630490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.630490][ T10] ___sys_sendmsg+0xee/0x170 [ 930.630490][ T10] __sys_sendmsg+0xcd/0x170 [ 930.630490][ T10] do_syscall_64+0xc6/0x1e0 [ 930.630490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.630490][ T10] [ 930.632523][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 930.632523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.632523][ T10] ipv6_find_idev+0x102/0x170 [ 930.632523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.632523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.632523][ T10] netlink_rcv_skb+0x130/0x360 [ 930.632523][ T10] netlink_unicast+0x449/0x710 [ 930.632523][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.632523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.632523][ T10] ___sys_sendmsg+0xee/0x170 [ 930.632523][ T10] __sys_sendmsg+0xcd/0x170 [ 930.632523][ T10] do_syscall_64+0xc6/0x1e0 [ 930.632523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.632523][ T10] [ 930.634086][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 930.634086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.634086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.634086][ T10] ipv6_find_idev+0x102/0x170 [ 930.634086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.634086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.634086][ T10] netlink_rcv_skb+0x130/0x360 [ 930.634086][ T10] netlink_unicast+0x449/0x710 [ 930.634086][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.634086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.634086][ T10] ___sys_sendmsg+0xee/0x170 [ 930.634086][ T10] __sys_sendmsg+0xcd/0x170 [ 930.634086][ T10] do_syscall_64+0xc6/0x1e0 [ 930.634086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.634086][ T10] [ 930.635819][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 930.636098][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 930.636098][ T10] netdev_get_by_index+0x5e/0x80 [ 930.636098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.636098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.636098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.636098][ T10] ipv6_add_addr+0x411/0x2000 [ 930.636098][ T10] inet6_addr_add+0x30e/0xa40 [ 930.636098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.636098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.636098][ T10] netlink_rcv_skb+0x130/0x360 [ 930.636098][ T10] netlink_unicast+0x449/0x710 [ 930.636098][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.636098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.636098][ T10] ___sys_sendmsg+0xee/0x170 [ 930.636098][ T10] __sys_sendmsg+0xcd/0x170 [ 930.636098][ T10] do_syscall_64+0xc6/0x1e0 [ 930.636098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.636098][ T10] [ 930.638123][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 930.638123][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.638123][ T10] ipv6_find_idev+0x102/0x170 [ 930.638123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.638123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.638123][ T10] netlink_rcv_skb+0x130/0x360 [ 930.638123][ T10] netlink_unicast+0x449/0x710 [ 930.638123][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.638123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.638123][ T10] ___sys_sendmsg+0xee/0x170 [ 930.638123][ T10] __sys_sendmsg+0xcd/0x170 [ 930.638123][ T10] do_syscall_64+0xc6/0x1e0 [ 930.638123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.638123][ T10] [ 930.639682][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 930.639682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.639682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.639682][ T10] ipv6_find_idev+0x102/0x170 [ 930.639682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.639682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.639682][ T10] netlink_rcv_skb+0x130/0x360 [ 930.639682][ T10] netlink_unicast+0x449/0x710 [ 930.639682][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.639682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.639682][ T10] ___sys_sendmsg+0xee/0x170 [ 930.639682][ T10] __sys_sendmsg+0xcd/0x170 [ 930.639682][ T10] do_syscall_64+0xc6/0x1e0 [ 930.639682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.639682][ T10] [ 930.641374][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 930.641643][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 930.641643][ T10] netdev_get_by_index+0x5e/0x80 [ 930.641643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.641643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.641643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.641643][ T10] ipv6_add_addr+0x411/0x2000 [ 930.641643][ T10] inet6_addr_add+0x30e/0xa40 [ 930.641643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.641643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.641643][ T10] netlink_rcv_skb+0x130/0x360 [ 930.641643][ T10] netlink_unicast+0x449/0x710 [ 930.641643][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.641643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.641643][ T10] ___sys_sendmsg+0xee/0x170 [ 930.641643][ T10] __sys_sendmsg+0xcd/0x170 [ 930.641643][ T10] do_syscall_64+0xc6/0x1e0 [ 930.641643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.641643][ T10] [ 930.643661][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 930.643661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.643661][ T10] ipv6_find_idev+0x102/0x170 [ 930.643661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.643661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.643661][ T10] netlink_rcv_skb+0x130/0x360 [ 930.643661][ T10] netlink_unicast+0x449/0x710 [ 930.643661][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.643661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.643661][ T10] ___sys_sendmsg+0xee/0x170 [ 930.643661][ T10] __sys_sendmsg+0xcd/0x170 [ 930.643661][ T10] do_syscall_64+0xc6/0x1e0 [ 930.643661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.643661][ T10] [ 930.645198][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 930.645198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.645198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.645198][ T10] ipv6_find_idev+0x102/0x170 [ 930.645198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.645198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.645198][ T10] netlink_rcv_skb+0x130/0x360 [ 930.645198][ T10] netlink_unicast+0x449/0x710 [ 930.645198][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.645198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.645198][ T10] ___sys_sendmsg+0xee/0x170 [ 930.645198][ T10] __sys_sendmsg+0xcd/0x170 [ 930.645198][ T10] do_syscall_64+0xc6/0x1e0 [ 930.645198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.645198][ T10] [ 930.646882][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 930.647151][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 930.647151][ T10] netdev_get_by_index+0x5e/0x80 [ 930.647151][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.647151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.647151][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.647151][ T10] ipv6_add_addr+0x411/0x2000 [ 930.647151][ T10] inet6_addr_add+0x30e/0xa40 [ 930.647151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.647151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.647151][ T10] netlink_rcv_skb+0x130/0x360 [ 930.647151][ T10] netlink_unicast+0x449/0x710 [ 930.647151][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.647151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.647151][ T10] ___sys_sendmsg+0xee/0x170 [ 930.647151][ T10] __sys_sendmsg+0xcd/0x170 [ 930.647151][ T10] do_syscall_64+0xc6/0x1e0 [ 930.647151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.647151][ T10] [ 930.649179][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 930.649179][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.649179][ T10] ipv6_find_idev+0x102/0x170 [ 930.649179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.649179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.649179][ T10] netlink_rcv_skb+0x130/0x360 [ 930.649179][ T10] netlink_unicast+0x449/0x710 [ 930.649179][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.649179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.649179][ T10] ___sys_sendmsg+0xee/0x170 [ 930.649179][ T10] __sys_sendmsg+0xcd/0x170 [ 930.649179][ T10] do_syscall_64+0xc6/0x1e0 [ 930.649179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.649179][ T10] [ 930.650718][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 930.650718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.650718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.650718][ T10] ipv6_find_idev+0x102/0x170 [ 930.650718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.650718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.650718][ T10] netlink_rcv_skb+0x130/0x360 [ 930.650718][ T10] netlink_unicast+0x449/0x710 [ 930.650718][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.650718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.650718][ T10] ___sys_sendmsg+0xee/0x170 [ 930.650718][ T10] __sys_sendmsg+0xcd/0x170 [ 930.650718][ T10] do_syscall_64+0xc6/0x1e0 [ 930.650718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.650718][ T10] [ 930.652824][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 930.653424][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 930.653424][ T10] netdev_get_by_index+0x5e/0x80 [ 930.653424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.653424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.653424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.653424][ T10] ipv6_add_addr+0x411/0x2000 [ 930.653424][ T10] inet6_addr_add+0x30e/0xa40 [ 930.653424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.653424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.653424][ T10] netlink_rcv_skb+0x130/0x360 [ 930.653424][ T10] netlink_unicast+0x449/0x710 [ 930.653424][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.653424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.653424][ T10] ___sys_sendmsg+0xee/0x170 [ 930.653424][ T10] __sys_sendmsg+0xcd/0x170 [ 930.653424][ T10] do_syscall_64+0xc6/0x1e0 [ 930.653424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.653424][ T10] [ 930.655414][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 930.655414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.655414][ T10] ipv6_find_idev+0x102/0x170 [ 930.655414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.655414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.655414][ T10] netlink_rcv_skb+0x130/0x360 [ 930.655414][ T10] netlink_unicast+0x449/0x710 [ 930.655414][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.655414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.655414][ T10] ___sys_sendmsg+0xee/0x170 [ 930.655414][ T10] __sys_sendmsg+0xcd/0x170 [ 930.655414][ T10] do_syscall_64+0xc6/0x1e0 [ 930.655414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.655414][ T10] [ 930.656957][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 930.656957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.656957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.656957][ T10] ipv6_find_idev+0x102/0x170 [ 930.656957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.656957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.656957][ T10] netlink_rcv_skb+0x130/0x360 [ 930.656957][ T10] netlink_unicast+0x449/0x710 [ 930.656957][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.656957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.656957][ T10] ___sys_sendmsg+0xee/0x170 [ 930.656957][ T10] __sys_sendmsg+0xcd/0x170 [ 930.656957][ T10] do_syscall_64+0xc6/0x1e0 [ 930.656957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.656957][ T10] [ 930.658642][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 930.658974][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 930.658974][ T10] netdev_get_by_index+0x5e/0x80 [ 930.658974][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.658974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.658974][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.658974][ T10] ipv6_add_addr+0x411/0x2000 [ 930.658974][ T10] inet6_addr_add+0x30e/0xa40 [ 930.658974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.658974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.658974][ T10] netlink_rcv_skb+0x130/0x360 [ 930.658974][ T10] netlink_unicast+0x449/0x710 [ 930.658974][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.658974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.658974][ T10] ___sys_sendmsg+0xee/0x170 [ 930.658974][ T10] __sys_sendmsg+0xcd/0x170 [ 930.658974][ T10] do_syscall_64+0xc6/0x1e0 [ 930.658974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.658974][ T10] [ 930.660986][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 930.660986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.660986][ T10] ipv6_find_idev+0x102/0x170 [ 930.660986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.660986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.660986][ T10] netlink_rcv_skb+0x130/0x360 [ 930.660986][ T10] netlink_unicast+0x449/0x710 [ 930.660986][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.660986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.660986][ T10] ___sys_sendmsg+0xee/0x170 [ 930.660986][ T10] __sys_sendmsg+0xcd/0x170 [ 930.660986][ T10] do_syscall_64+0xc6/0x1e0 [ 930.660986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.660986][ T10] [ 930.662526][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 930.662526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.662526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.662526][ T10] ipv6_find_idev+0x102/0x170 [ 930.662526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.662526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.662526][ T10] netlink_rcv_skb+0x130/0x360 [ 930.662526][ T10] netlink_unicast+0x449/0x710 [ 930.662526][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.662526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.662526][ T10] ___sys_sendmsg+0xee/0x170 [ 930.662526][ T10] __sys_sendmsg+0xcd/0x170 [ 930.662526][ T10] do_syscall_64+0xc6/0x1e0 [ 930.662526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.662526][ T10] [ 930.664462][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 930.664789][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 930.664789][ T10] netdev_get_by_index+0x5e/0x80 [ 930.664789][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.664789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.664789][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.664789][ T10] ipv6_add_addr+0x411/0x2000 [ 930.664789][ T10] inet6_addr_add+0x30e/0xa40 [ 930.664789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.664789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.664789][ T10] netlink_rcv_skb+0x130/0x360 [ 930.664789][ T10] netlink_unicast+0x449/0x710 [ 930.664789][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.664789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.664789][ T10] ___sys_sendmsg+0xee/0x170 [ 930.664789][ T10] __sys_sendmsg+0xcd/0x170 [ 930.664789][ T10] do_syscall_64+0xc6/0x1e0 [ 930.664789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.664789][ T10] [ 930.666971][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 930.666971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.666971][ T10] ipv6_find_idev+0x102/0x170 [ 930.666971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.666971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.666971][ T10] netlink_rcv_skb+0x130/0x360 [ 930.666971][ T10] netlink_unicast+0x449/0x710 [ 930.666971][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.666971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.666971][ T10] ___sys_sendmsg+0xee/0x170 [ 930.666971][ T10] __sys_sendmsg+0xcd/0x170 [ 930.666971][ T10] do_syscall_64+0xc6/0x1e0 [ 930.666971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.666971][ T10] [ 930.668755][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 930.668755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.668755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.668755][ T10] ipv6_find_idev+0x102/0x170 [ 930.668755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.668755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.668755][ T10] netlink_rcv_skb+0x130/0x360 [ 930.668755][ T10] netlink_unicast+0x449/0x710 [ 930.668755][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.668755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.668755][ T10] ___sys_sendmsg+0xee/0x170 [ 930.668755][ T10] __sys_sendmsg+0xcd/0x170 [ 930.668755][ T10] do_syscall_64+0xc6/0x1e0 [ 930.668755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.668755][ T10] [ 930.670733][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 930.671051][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 930.671051][ T10] netdev_get_by_index+0x5e/0x80 [ 930.671051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 930.671051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 930.671051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 930.671051][ T10] ipv6_add_addr+0x411/0x2000 [ 930.671051][ T10] inet6_addr_add+0x30e/0xa40 [ 930.671051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 930.671051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.671051][ T10] netlink_rcv_skb+0x130/0x360 [ 930.671051][ T10] netlink_unicast+0x449/0x710 [ 930.671051][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.671051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.671051][ T10] ___sys_sendmsg+0xee/0x170 [ 930.671051][ T10] __sys_sendmsg+0xcd/0x170 [ 930.671051][ T10] do_syscall_64+0xc6/0x1e0 [ 930.671051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.671051][ T10] [ 930.673230][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 930.673230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 930.673230][ T10] ipv6_find_idev+0x102/0x170 [ 930.673230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.673230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.673230][ T10] netlink_rcv_skb+0x130/0x360 [ 930.673230][ T10] netlink_unicast+0x449/0x710 [ 930.673230][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.673230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.673230][ T10] ___sys_sendmsg+0xee/0x170 [ 930.673230][ T10] __sys_sendmsg+0xcd/0x170 [ 930.673230][ T10] do_syscall_64+0xc6/0x1e0 [ 930.673230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.673230][ T10] [ 930.674952][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 930.674952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 930.674952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 930.674952][ T10] ipv6_find_idev+0x102/0x170 [ 930.674952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.674952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.674952][ T10] netlink_rcv_skb+0x130/0x360 [ 930.674952][ T10] netlink_unicast+0x449/0x710 [ 930.674952][ T10] netlink_sendmsg+0x723/0xbe0 [ 930.674952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 930.674952][ T10] ___sys_sendmsg+0xee/0x170 [ 930.674952][ T10] __sys_sendmsg+0xcd/0x170 [ 930.674952][ T10] do_syscall_64+0xc6/0x1e0 [ 930.674952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.674952][ T10] [ 940.677856][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 940.678370][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 940.678370][ T10] netdev_get_by_index+0x5e/0x80 [ 940.678370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.678370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.678370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.678370][ T10] ipv6_add_addr+0x411/0x2000 [ 940.678370][ T10] inet6_addr_add+0x30e/0xa40 [ 940.678370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.678370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.678370][ T10] netlink_rcv_skb+0x130/0x360 [ 940.678370][ T10] netlink_unicast+0x449/0x710 [ 940.678370][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.678370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.678370][ T10] ___sys_sendmsg+0xee/0x170 [ 940.678370][ T10] __sys_sendmsg+0xcd/0x170 [ 940.678370][ T10] do_syscall_64+0xc6/0x1e0 [ 940.678370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.678370][ T10] [ 940.680415][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 940.680415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.680415][ T10] ipv6_find_idev+0x102/0x170 [ 940.680415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.680415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.680415][ T10] netlink_rcv_skb+0x130/0x360 [ 940.680415][ T10] netlink_unicast+0x449/0x710 [ 940.680415][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.680415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.680415][ T10] ___sys_sendmsg+0xee/0x170 [ 940.680415][ T10] __sys_sendmsg+0xcd/0x170 [ 940.680415][ T10] do_syscall_64+0xc6/0x1e0 [ 940.680415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.680415][ T10] [ 940.681993][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 940.681993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.681993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.681993][ T10] ipv6_find_idev+0x102/0x170 [ 940.681993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.681993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.681993][ T10] netlink_rcv_skb+0x130/0x360 [ 940.681993][ T10] netlink_unicast+0x449/0x710 [ 940.681993][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.681993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.681993][ T10] ___sys_sendmsg+0xee/0x170 [ 940.681993][ T10] __sys_sendmsg+0xcd/0x170 [ 940.681993][ T10] do_syscall_64+0xc6/0x1e0 [ 940.681993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.681993][ T10] [ 940.683709][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 940.683994][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 940.683994][ T10] netdev_get_by_index+0x5e/0x80 [ 940.683994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.683994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.683994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.683994][ T10] ipv6_add_addr+0x411/0x2000 [ 940.683994][ T10] inet6_addr_add+0x30e/0xa40 [ 940.683994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.683994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.683994][ T10] netlink_rcv_skb+0x130/0x360 [ 940.683994][ T10] netlink_unicast+0x449/0x710 [ 940.683994][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.683994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.683994][ T10] ___sys_sendmsg+0xee/0x170 [ 940.683994][ T10] __sys_sendmsg+0xcd/0x170 [ 940.683994][ T10] do_syscall_64+0xc6/0x1e0 [ 940.683994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.683994][ T10] [ 940.685994][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 940.685994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.685994][ T10] ipv6_find_idev+0x102/0x170 [ 940.685994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.685994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.685994][ T10] netlink_rcv_skb+0x130/0x360 [ 940.685994][ T10] netlink_unicast+0x449/0x710 [ 940.685994][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.685994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.685994][ T10] ___sys_sendmsg+0xee/0x170 [ 940.685994][ T10] __sys_sendmsg+0xcd/0x170 [ 940.685994][ T10] do_syscall_64+0xc6/0x1e0 [ 940.685994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.685994][ T10] [ 940.687548][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 940.687548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.687548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.687548][ T10] ipv6_find_idev+0x102/0x170 [ 940.687548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.687548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.687548][ T10] netlink_rcv_skb+0x130/0x360 [ 940.687548][ T10] netlink_unicast+0x449/0x710 [ 940.687548][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.687548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.687548][ T10] ___sys_sendmsg+0xee/0x170 [ 940.687548][ T10] __sys_sendmsg+0xcd/0x170 [ 940.687548][ T10] do_syscall_64+0xc6/0x1e0 [ 940.687548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.687548][ T10] [ 940.689243][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 940.689506][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 940.689506][ T10] netdev_get_by_index+0x5e/0x80 [ 940.689506][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.689506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.689506][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.689506][ T10] ipv6_add_addr+0x411/0x2000 [ 940.689506][ T10] inet6_addr_add+0x30e/0xa40 [ 940.689506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.689506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.689506][ T10] netlink_rcv_skb+0x130/0x360 [ 940.689506][ T10] netlink_unicast+0x449/0x710 [ 940.689506][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.689506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.689506][ T10] ___sys_sendmsg+0xee/0x170 [ 940.689506][ T10] __sys_sendmsg+0xcd/0x170 [ 940.689506][ T10] do_syscall_64+0xc6/0x1e0 [ 940.689506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.689506][ T10] [ 940.691517][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 940.691517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.691517][ T10] ipv6_find_idev+0x102/0x170 [ 940.691517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.691517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.691517][ T10] netlink_rcv_skb+0x130/0x360 [ 940.691517][ T10] netlink_unicast+0x449/0x710 [ 940.691517][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.691517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.691517][ T10] ___sys_sendmsg+0xee/0x170 [ 940.691517][ T10] __sys_sendmsg+0xcd/0x170 [ 940.691517][ T10] do_syscall_64+0xc6/0x1e0 [ 940.691517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.691517][ T10] [ 940.693078][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 940.693078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.693078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.693078][ T10] ipv6_find_idev+0x102/0x170 [ 940.693078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.693078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.693078][ T10] netlink_rcv_skb+0x130/0x360 [ 940.693078][ T10] netlink_unicast+0x449/0x710 [ 940.693078][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.693078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.693078][ T10] ___sys_sendmsg+0xee/0x170 [ 940.693078][ T10] __sys_sendmsg+0xcd/0x170 [ 940.693078][ T10] do_syscall_64+0xc6/0x1e0 [ 940.693078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.693078][ T10] [ 940.694781][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 940.695045][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 940.695045][ T10] netdev_get_by_index+0x5e/0x80 [ 940.695045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.695045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.695045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.695045][ T10] ipv6_add_addr+0x411/0x2000 [ 940.695045][ T10] inet6_addr_add+0x30e/0xa40 [ 940.695045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.695045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.695045][ T10] netlink_rcv_skb+0x130/0x360 [ 940.695045][ T10] netlink_unicast+0x449/0x710 [ 940.695045][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.695045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.695045][ T10] ___sys_sendmsg+0xee/0x170 [ 940.695045][ T10] __sys_sendmsg+0xcd/0x170 [ 940.695045][ T10] do_syscall_64+0xc6/0x1e0 [ 940.695045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.695045][ T10] [ 940.697052][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 940.697052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.697052][ T10] ipv6_find_idev+0x102/0x170 [ 940.697052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.697052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.697052][ T10] netlink_rcv_skb+0x130/0x360 [ 940.697052][ T10] netlink_unicast+0x449/0x710 [ 940.697052][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.697052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.697052][ T10] ___sys_sendmsg+0xee/0x170 [ 940.697052][ T10] __sys_sendmsg+0xcd/0x170 [ 940.697052][ T10] do_syscall_64+0xc6/0x1e0 [ 940.697052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.697052][ T10] [ 940.698597][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 940.698597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.698597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.698597][ T10] ipv6_find_idev+0x102/0x170 [ 940.698597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.698597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.698597][ T10] netlink_rcv_skb+0x130/0x360 [ 940.698597][ T10] netlink_unicast+0x449/0x710 [ 940.698597][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.698597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.698597][ T10] ___sys_sendmsg+0xee/0x170 [ 940.698597][ T10] __sys_sendmsg+0xcd/0x170 [ 940.698597][ T10] do_syscall_64+0xc6/0x1e0 [ 940.698597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.698597][ T10] [ 940.700704][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 940.701315][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 940.701315][ T10] netdev_get_by_index+0x5e/0x80 [ 940.701315][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.701315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.701315][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.701315][ T10] ipv6_add_addr+0x411/0x2000 [ 940.701315][ T10] inet6_addr_add+0x30e/0xa40 [ 940.701315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.701315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.701315][ T10] netlink_rcv_skb+0x130/0x360 [ 940.701315][ T10] netlink_unicast+0x449/0x710 [ 940.701315][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.701315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.701315][ T10] ___sys_sendmsg+0xee/0x170 [ 940.701315][ T10] __sys_sendmsg+0xcd/0x170 [ 940.701315][ T10] do_syscall_64+0xc6/0x1e0 [ 940.701315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.701315][ T10] [ 940.703314][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 940.703314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.703314][ T10] ipv6_find_idev+0x102/0x170 [ 940.703314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.703314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.703314][ T10] netlink_rcv_skb+0x130/0x360 [ 940.703314][ T10] netlink_unicast+0x449/0x710 [ 940.703314][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.703314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.703314][ T10] ___sys_sendmsg+0xee/0x170 [ 940.703314][ T10] __sys_sendmsg+0xcd/0x170 [ 940.703314][ T10] do_syscall_64+0xc6/0x1e0 [ 940.703314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.703314][ T10] [ 940.704850][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 940.704850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.704850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.704850][ T10] ipv6_find_idev+0x102/0x170 [ 940.704850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.704850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.704850][ T10] netlink_rcv_skb+0x130/0x360 [ 940.704850][ T10] netlink_unicast+0x449/0x710 [ 940.704850][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.704850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.704850][ T10] ___sys_sendmsg+0xee/0x170 [ 940.704850][ T10] __sys_sendmsg+0xcd/0x170 [ 940.704850][ T10] do_syscall_64+0xc6/0x1e0 [ 940.704850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.704850][ T10] [ 940.706545][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 940.706871][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 940.706871][ T10] netdev_get_by_index+0x5e/0x80 [ 940.706871][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.706871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.706871][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.706871][ T10] ipv6_add_addr+0x411/0x2000 [ 940.706871][ T10] inet6_addr_add+0x30e/0xa40 [ 940.706871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.706871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.706871][ T10] netlink_rcv_skb+0x130/0x360 [ 940.706871][ T10] netlink_unicast+0x449/0x710 [ 940.706871][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.706871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.706871][ T10] ___sys_sendmsg+0xee/0x170 [ 940.706871][ T10] __sys_sendmsg+0xcd/0x170 [ 940.706871][ T10] do_syscall_64+0xc6/0x1e0 [ 940.706871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.706871][ T10] [ 940.708876][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 940.708876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.708876][ T10] ipv6_find_idev+0x102/0x170 [ 940.708876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.708876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.708876][ T10] netlink_rcv_skb+0x130/0x360 [ 940.708876][ T10] netlink_unicast+0x449/0x710 [ 940.708876][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.708876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.708876][ T10] ___sys_sendmsg+0xee/0x170 [ 940.708876][ T10] __sys_sendmsg+0xcd/0x170 [ 940.708876][ T10] do_syscall_64+0xc6/0x1e0 [ 940.708876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.708876][ T10] [ 940.710483][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 940.710483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.710483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.710483][ T10] ipv6_find_idev+0x102/0x170 [ 940.710483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.710483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.710483][ T10] netlink_rcv_skb+0x130/0x360 [ 940.710483][ T10] netlink_unicast+0x449/0x710 [ 940.710483][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.710483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.710483][ T10] ___sys_sendmsg+0xee/0x170 [ 940.710483][ T10] __sys_sendmsg+0xcd/0x170 [ 940.710483][ T10] do_syscall_64+0xc6/0x1e0 [ 940.710483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.710483][ T10] [ 940.712447][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 940.712759][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 940.712759][ T10] netdev_get_by_index+0x5e/0x80 [ 940.712759][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.712759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.712759][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.712759][ T10] ipv6_add_addr+0x411/0x2000 [ 940.712759][ T10] inet6_addr_add+0x30e/0xa40 [ 940.712759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.712759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.712759][ T10] netlink_rcv_skb+0x130/0x360 [ 940.712759][ T10] netlink_unicast+0x449/0x710 [ 940.712759][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.712759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.712759][ T10] ___sys_sendmsg+0xee/0x170 [ 940.712759][ T10] __sys_sendmsg+0xcd/0x170 [ 940.712759][ T10] do_syscall_64+0xc6/0x1e0 [ 940.712759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.712759][ T10] [ 940.714937][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 940.714937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.714937][ T10] ipv6_find_idev+0x102/0x170 [ 940.714937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.714937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.714937][ T10] netlink_rcv_skb+0x130/0x360 [ 940.714937][ T10] netlink_unicast+0x449/0x710 [ 940.714937][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.714937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.714937][ T10] ___sys_sendmsg+0xee/0x170 [ 940.714937][ T10] __sys_sendmsg+0xcd/0x170 [ 940.714937][ T10] do_syscall_64+0xc6/0x1e0 [ 940.714937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.714937][ T10] [ 940.716665][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 940.716665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.716665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.716665][ T10] ipv6_find_idev+0x102/0x170 [ 940.716665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.716665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.716665][ T10] netlink_rcv_skb+0x130/0x360 [ 940.716665][ T10] netlink_unicast+0x449/0x710 [ 940.716665][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.716665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.716665][ T10] ___sys_sendmsg+0xee/0x170 [ 940.716665][ T10] __sys_sendmsg+0xcd/0x170 [ 940.716665][ T10] do_syscall_64+0xc6/0x1e0 [ 940.716665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.716665][ T10] [ 940.718632][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 940.718950][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 940.718950][ T10] netdev_get_by_index+0x5e/0x80 [ 940.718950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 940.718950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 940.718950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 940.718950][ T10] ipv6_add_addr+0x411/0x2000 [ 940.718950][ T10] inet6_addr_add+0x30e/0xa40 [ 940.718950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 940.718950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.718950][ T10] netlink_rcv_skb+0x130/0x360 [ 940.718950][ T10] netlink_unicast+0x449/0x710 [ 940.718950][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.718950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.718950][ T10] ___sys_sendmsg+0xee/0x170 [ 940.718950][ T10] __sys_sendmsg+0xcd/0x170 [ 940.718950][ T10] do_syscall_64+0xc6/0x1e0 [ 940.718950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.718950][ T10] [ 940.721125][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 940.721125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 940.721125][ T10] ipv6_find_idev+0x102/0x170 [ 940.721125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.721125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.721125][ T10] netlink_rcv_skb+0x130/0x360 [ 940.721125][ T10] netlink_unicast+0x449/0x710 [ 940.721125][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.721125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.721125][ T10] ___sys_sendmsg+0xee/0x170 [ 940.721125][ T10] __sys_sendmsg+0xcd/0x170 [ 940.721125][ T10] do_syscall_64+0xc6/0x1e0 [ 940.721125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.721125][ T10] [ 940.722911][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 940.722911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 940.722911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 940.722911][ T10] ipv6_find_idev+0x102/0x170 [ 940.722911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.722911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.722911][ T10] netlink_rcv_skb+0x130/0x360 [ 940.722911][ T10] netlink_unicast+0x449/0x710 [ 940.722911][ T10] netlink_sendmsg+0x723/0xbe0 [ 940.722911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 940.722911][ T10] ___sys_sendmsg+0xee/0x170 [ 940.722911][ T10] __sys_sendmsg+0xcd/0x170 [ 940.722911][ T10] do_syscall_64+0xc6/0x1e0 [ 940.722911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.722911][ T10] [ 950.965905][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 950.966417][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 950.966417][ T10] netdev_get_by_index+0x5e/0x80 [ 950.966417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 950.966417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 950.966417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 950.966417][ T10] ipv6_add_addr+0x411/0x2000 [ 950.966417][ T10] inet6_addr_add+0x30e/0xa40 [ 950.966417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 950.966417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.966417][ T10] netlink_rcv_skb+0x130/0x360 [ 950.966417][ T10] netlink_unicast+0x449/0x710 [ 950.966417][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.966417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.966417][ T10] ___sys_sendmsg+0xee/0x170 [ 950.966417][ T10] __sys_sendmsg+0xcd/0x170 [ 950.966417][ T10] do_syscall_64+0xc6/0x1e0 [ 950.966417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.966417][ T10] [ 950.968475][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 950.968475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 950.968475][ T10] ipv6_find_idev+0x102/0x170 [ 950.968475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.968475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.968475][ T10] netlink_rcv_skb+0x130/0x360 [ 950.968475][ T10] netlink_unicast+0x449/0x710 [ 950.968475][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.968475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.968475][ T10] ___sys_sendmsg+0xee/0x170 [ 950.968475][ T10] __sys_sendmsg+0xcd/0x170 [ 950.968475][ T10] do_syscall_64+0xc6/0x1e0 [ 950.968475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.968475][ T10] [ 950.970022][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 950.970022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 950.970022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 950.970022][ T10] ipv6_find_idev+0x102/0x170 [ 950.970022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.970022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.970022][ T10] netlink_rcv_skb+0x130/0x360 [ 950.970022][ T10] netlink_unicast+0x449/0x710 [ 950.970022][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.970022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.970022][ T10] ___sys_sendmsg+0xee/0x170 [ 950.970022][ T10] __sys_sendmsg+0xcd/0x170 [ 950.970022][ T10] do_syscall_64+0xc6/0x1e0 [ 950.970022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.970022][ T10] [ 950.971737][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 950.972035][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 950.972035][ T10] netdev_get_by_index+0x5e/0x80 [ 950.972035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 950.972035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 950.972035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 950.972035][ T10] ipv6_add_addr+0x411/0x2000 [ 950.972035][ T10] inet6_addr_add+0x30e/0xa40 [ 950.972035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 950.972035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.972035][ T10] netlink_rcv_skb+0x130/0x360 [ 950.972035][ T10] netlink_unicast+0x449/0x710 [ 950.972035][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.972035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.972035][ T10] ___sys_sendmsg+0xee/0x170 [ 950.972035][ T10] __sys_sendmsg+0xcd/0x170 [ 950.972035][ T10] do_syscall_64+0xc6/0x1e0 [ 950.972035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.972035][ T10] [ 950.974045][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 950.974045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 950.974045][ T10] ipv6_find_idev+0x102/0x170 [ 950.974045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.974045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.974045][ T10] netlink_rcv_skb+0x130/0x360 [ 950.974045][ T10] netlink_unicast+0x449/0x710 [ 950.974045][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.974045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.974045][ T10] ___sys_sendmsg+0xee/0x170 [ 950.974045][ T10] __sys_sendmsg+0xcd/0x170 [ 950.974045][ T10] do_syscall_64+0xc6/0x1e0 [ 950.974045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.974045][ T10] [ 950.975593][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 950.975593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 950.975593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 950.975593][ T10] ipv6_find_idev+0x102/0x170 [ 950.975593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.975593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.975593][ T10] netlink_rcv_skb+0x130/0x360 [ 950.975593][ T10] netlink_unicast+0x449/0x710 [ 950.975593][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.975593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.975593][ T10] ___sys_sendmsg+0xee/0x170 [ 950.975593][ T10] __sys_sendmsg+0xcd/0x170 [ 950.975593][ T10] do_syscall_64+0xc6/0x1e0 [ 950.975593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.975593][ T10] [ 950.977316][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 950.977581][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 950.977581][ T10] netdev_get_by_index+0x5e/0x80 [ 950.977581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 950.977581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 950.977581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 950.977581][ T10] ipv6_add_addr+0x411/0x2000 [ 950.977581][ T10] inet6_addr_add+0x30e/0xa40 [ 950.977581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 950.977581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.977581][ T10] netlink_rcv_skb+0x130/0x360 [ 950.977581][ T10] netlink_unicast+0x449/0x710 [ 950.977581][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.977581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.977581][ T10] ___sys_sendmsg+0xee/0x170 [ 950.977581][ T10] __sys_sendmsg+0xcd/0x170 [ 950.977581][ T10] do_syscall_64+0xc6/0x1e0 [ 950.977581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.977581][ T10] [ 950.979602][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 950.979602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 950.979602][ T10] ipv6_find_idev+0x102/0x170 [ 950.979602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.979602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.979602][ T10] netlink_rcv_skb+0x130/0x360 [ 950.979602][ T10] netlink_unicast+0x449/0x710 [ 950.979602][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.979602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.979602][ T10] ___sys_sendmsg+0xee/0x170 [ 950.979602][ T10] __sys_sendmsg+0xcd/0x170 [ 950.979602][ T10] do_syscall_64+0xc6/0x1e0 [ 950.979602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.979602][ T10] [ 950.981157][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 950.981157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 950.981157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 950.981157][ T10] ipv6_find_idev+0x102/0x170 [ 950.981157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.981157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.981157][ T10] netlink_rcv_skb+0x130/0x360 [ 950.981157][ T10] netlink_unicast+0x449/0x710 [ 950.981157][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.981157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.981157][ T10] ___sys_sendmsg+0xee/0x170 [ 950.981157][ T10] __sys_sendmsg+0xcd/0x170 [ 950.981157][ T10] do_syscall_64+0xc6/0x1e0 [ 950.981157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.981157][ T10] [ 950.983260][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 950.983869][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 950.983869][ T10] netdev_get_by_index+0x5e/0x80 [ 950.983869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 950.983869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 950.983869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 950.983869][ T10] ipv6_add_addr+0x411/0x2000 [ 950.983869][ T10] inet6_addr_add+0x30e/0xa40 [ 950.983869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 950.983869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.983869][ T10] netlink_rcv_skb+0x130/0x360 [ 950.983869][ T10] netlink_unicast+0x449/0x710 [ 950.983869][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.983869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.983869][ T10] ___sys_sendmsg+0xee/0x170 [ 950.983869][ T10] __sys_sendmsg+0xcd/0x170 [ 950.983869][ T10] do_syscall_64+0xc6/0x1e0 [ 950.983869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.983869][ T10] [ 950.985872][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 950.985872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 950.985872][ T10] ipv6_find_idev+0x102/0x170 [ 950.985872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.985872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.985872][ T10] netlink_rcv_skb+0x130/0x360 [ 950.985872][ T10] netlink_unicast+0x449/0x710 [ 950.985872][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.985872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.985872][ T10] ___sys_sendmsg+0xee/0x170 [ 950.985872][ T10] __sys_sendmsg+0xcd/0x170 [ 950.985872][ T10] do_syscall_64+0xc6/0x1e0 [ 950.985872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.985872][ T10] [ 950.987417][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 950.987417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 950.987417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 950.987417][ T10] ipv6_find_idev+0x102/0x170 [ 950.987417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.987417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.987417][ T10] netlink_rcv_skb+0x130/0x360 [ 950.987417][ T10] netlink_unicast+0x449/0x710 [ 950.987417][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.987417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.987417][ T10] ___sys_sendmsg+0xee/0x170 [ 950.987417][ T10] __sys_sendmsg+0xcd/0x170 [ 950.987417][ T10] do_syscall_64+0xc6/0x1e0 [ 950.987417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.987417][ T10] [ 950.989107][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 950.989373][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 950.989373][ T10] netdev_get_by_index+0x5e/0x80 [ 950.989373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 950.989373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 950.989373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 950.989373][ T10] ipv6_add_addr+0x411/0x2000 [ 950.989373][ T10] inet6_addr_add+0x30e/0xa40 [ 950.989373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 950.989373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.989373][ T10] netlink_rcv_skb+0x130/0x360 [ 950.989373][ T10] netlink_unicast+0x449/0x710 [ 950.989373][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.989373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.989373][ T10] ___sys_sendmsg+0xee/0x170 [ 950.989373][ T10] __sys_sendmsg+0xcd/0x170 [ 950.989373][ T10] do_syscall_64+0xc6/0x1e0 [ 950.989373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.989373][ T10] [ 950.991376][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 950.991376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 950.991376][ T10] ipv6_find_idev+0x102/0x170 [ 950.991376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.991376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.991376][ T10] netlink_rcv_skb+0x130/0x360 [ 950.991376][ T10] netlink_unicast+0x449/0x710 [ 950.991376][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.991376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.991376][ T10] ___sys_sendmsg+0xee/0x170 [ 950.991376][ T10] __sys_sendmsg+0xcd/0x170 [ 950.991376][ T10] do_syscall_64+0xc6/0x1e0 [ 950.991376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.991376][ T10] [ 950.992919][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 950.992919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 950.992919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 950.992919][ T10] ipv6_find_idev+0x102/0x170 [ 950.992919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.992919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.992919][ T10] netlink_rcv_skb+0x130/0x360 [ 950.992919][ T10] netlink_unicast+0x449/0x710 [ 950.992919][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.992919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.992919][ T10] ___sys_sendmsg+0xee/0x170 [ 950.992919][ T10] __sys_sendmsg+0xcd/0x170 [ 950.992919][ T10] do_syscall_64+0xc6/0x1e0 [ 950.992919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.992919][ T10] [ 950.994648][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 950.994973][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 950.994973][ T10] netdev_get_by_index+0x5e/0x80 [ 950.994973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 950.994973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 950.994973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 950.994973][ T10] ipv6_add_addr+0x411/0x2000 [ 950.994973][ T10] inet6_addr_add+0x30e/0xa40 [ 950.994973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 950.994973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.994973][ T10] netlink_rcv_skb+0x130/0x360 [ 950.994973][ T10] netlink_unicast+0x449/0x710 [ 950.994973][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.994973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.994973][ T10] ___sys_sendmsg+0xee/0x170 [ 950.994973][ T10] __sys_sendmsg+0xcd/0x170 [ 950.994973][ T10] do_syscall_64+0xc6/0x1e0 [ 950.994973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.994973][ T10] [ 950.996979][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 950.996979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 950.996979][ T10] ipv6_find_idev+0x102/0x170 [ 950.996979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.996979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.996979][ T10] netlink_rcv_skb+0x130/0x360 [ 950.996979][ T10] netlink_unicast+0x449/0x710 [ 950.996979][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.996979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.996979][ T10] ___sys_sendmsg+0xee/0x170 [ 950.996979][ T10] __sys_sendmsg+0xcd/0x170 [ 950.996979][ T10] do_syscall_64+0xc6/0x1e0 [ 950.996979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.996979][ T10] [ 950.998526][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 950.998526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 950.998526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 950.998526][ T10] ipv6_find_idev+0x102/0x170 [ 950.998526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.998526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.998526][ T10] netlink_rcv_skb+0x130/0x360 [ 950.998526][ T10] netlink_unicast+0x449/0x710 [ 950.998526][ T10] netlink_sendmsg+0x723/0xbe0 [ 950.998526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 950.998526][ T10] ___sys_sendmsg+0xee/0x170 [ 950.998526][ T10] __sys_sendmsg+0xcd/0x170 [ 950.998526][ T10] do_syscall_64+0xc6/0x1e0 [ 950.998526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.998526][ T10] [ 951.000439][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 951.000751][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 951.000751][ T10] netdev_get_by_index+0x5e/0x80 [ 951.000751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 951.000751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 951.000751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 951.000751][ T10] ipv6_add_addr+0x411/0x2000 [ 951.000751][ T10] inet6_addr_add+0x30e/0xa40 [ 951.000751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 951.000751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.000751][ T10] netlink_rcv_skb+0x130/0x360 [ 951.000751][ T10] netlink_unicast+0x449/0x710 [ 951.000751][ T10] netlink_sendmsg+0x723/0xbe0 [ 951.000751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 951.000751][ T10] ___sys_sendmsg+0xee/0x170 [ 951.000751][ T10] __sys_sendmsg+0xcd/0x170 [ 951.000751][ T10] do_syscall_64+0xc6/0x1e0 [ 951.000751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.000751][ T10] [ 951.002986][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 951.002986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 951.002986][ T10] ipv6_find_idev+0x102/0x170 [ 951.002986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.002986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.002986][ T10] netlink_rcv_skb+0x130/0x360 [ 951.002986][ T10] netlink_unicast+0x449/0x710 [ 951.002986][ T10] netlink_sendmsg+0x723/0xbe0 [ 951.002986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 951.002986][ T10] ___sys_sendmsg+0xee/0x170 [ 951.002986][ T10] __sys_sendmsg+0xcd/0x170 [ 951.002986][ T10] do_syscall_64+0xc6/0x1e0 [ 951.002986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.002986][ T10] [ 951.004713][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 951.004713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 951.004713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 951.004713][ T10] ipv6_find_idev+0x102/0x170 [ 951.004713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.004713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.004713][ T10] netlink_rcv_skb+0x130/0x360 [ 951.004713][ T10] netlink_unicast+0x449/0x710 [ 951.004713][ T10] netlink_sendmsg+0x723/0xbe0 [ 951.004713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 951.004713][ T10] ___sys_sendmsg+0xee/0x170 [ 951.004713][ T10] __sys_sendmsg+0xcd/0x170 [ 951.004713][ T10] do_syscall_64+0xc6/0x1e0 [ 951.004713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.004713][ T10] [ 951.006623][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 951.006941][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 951.006941][ T10] netdev_get_by_index+0x5e/0x80 [ 951.006941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 951.006941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 951.006941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 951.006941][ T10] ipv6_add_addr+0x411/0x2000 [ 951.006941][ T10] inet6_addr_add+0x30e/0xa40 [ 951.006941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 951.006941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.006941][ T10] netlink_rcv_skb+0x130/0x360 [ 951.006941][ T10] netlink_unicast+0x449/0x710 [ 951.006941][ T10] netlink_sendmsg+0x723/0xbe0 [ 951.006941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 951.006941][ T10] ___sys_sendmsg+0xee/0x170 [ 951.006941][ T10] __sys_sendmsg+0xcd/0x170 [ 951.006941][ T10] do_syscall_64+0xc6/0x1e0 [ 951.006941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.006941][ T10] [ 951.009131][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 951.009131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 951.009131][ T10] ipv6_find_idev+0x102/0x170 [ 951.009131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.009131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.009131][ T10] netlink_rcv_skb+0x130/0x360 [ 951.009131][ T10] netlink_unicast+0x449/0x710 [ 951.009131][ T10] netlink_sendmsg+0x723/0xbe0 [ 951.009131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 951.009131][ T10] ___sys_sendmsg+0xee/0x170 [ 951.009131][ T10] __sys_sendmsg+0xcd/0x170 [ 951.009131][ T10] do_syscall_64+0xc6/0x1e0 [ 951.009131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.009131][ T10] [ 951.010866][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 951.010866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 951.010866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 951.010866][ T10] ipv6_find_idev+0x102/0x170 [ 951.010866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.010866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.010866][ T10] netlink_rcv_skb+0x130/0x360 [ 951.010866][ T10] netlink_unicast+0x449/0x710 [ 951.010866][ T10] netlink_sendmsg+0x723/0xbe0 [ 951.010866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 951.010866][ T10] ___sys_sendmsg+0xee/0x170 [ 951.010866][ T10] __sys_sendmsg+0xcd/0x170 [ 951.010866][ T10] do_syscall_64+0xc6/0x1e0 [ 951.010866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.010866][ T10] [ 961.253923][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 961.254450][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 961.254450][ T10] netdev_get_by_index+0x5e/0x80 [ 961.254450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.254450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.254450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.254450][ T10] ipv6_add_addr+0x411/0x2000 [ 961.254450][ T10] inet6_addr_add+0x30e/0xa40 [ 961.254450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.254450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.254450][ T10] netlink_rcv_skb+0x130/0x360 [ 961.254450][ T10] netlink_unicast+0x449/0x710 [ 961.254450][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.254450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.254450][ T10] ___sys_sendmsg+0xee/0x170 [ 961.254450][ T10] __sys_sendmsg+0xcd/0x170 [ 961.254450][ T10] do_syscall_64+0xc6/0x1e0 [ 961.254450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.254450][ T10] [ 961.256492][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 961.256492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.256492][ T10] ipv6_find_idev+0x102/0x170 [ 961.256492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.256492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.256492][ T10] netlink_rcv_skb+0x130/0x360 [ 961.256492][ T10] netlink_unicast+0x449/0x710 [ 961.256492][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.256492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.256492][ T10] ___sys_sendmsg+0xee/0x170 [ 961.256492][ T10] __sys_sendmsg+0xcd/0x170 [ 961.256492][ T10] do_syscall_64+0xc6/0x1e0 [ 961.256492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.256492][ T10] [ 961.258067][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 961.258067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.258067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.258067][ T10] ipv6_find_idev+0x102/0x170 [ 961.258067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.258067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.258067][ T10] netlink_rcv_skb+0x130/0x360 [ 961.258067][ T10] netlink_unicast+0x449/0x710 [ 961.258067][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.258067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.258067][ T10] ___sys_sendmsg+0xee/0x170 [ 961.258067][ T10] __sys_sendmsg+0xcd/0x170 [ 961.258067][ T10] do_syscall_64+0xc6/0x1e0 [ 961.258067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.258067][ T10] [ 961.259793][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 961.260065][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 961.260065][ T10] netdev_get_by_index+0x5e/0x80 [ 961.260065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.260065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.260065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.260065][ T10] ipv6_add_addr+0x411/0x2000 [ 961.260065][ T10] inet6_addr_add+0x30e/0xa40 [ 961.260065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.260065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.260065][ T10] netlink_rcv_skb+0x130/0x360 [ 961.260065][ T10] netlink_unicast+0x449/0x710 [ 961.260065][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.260065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.260065][ T10] ___sys_sendmsg+0xee/0x170 [ 961.260065][ T10] __sys_sendmsg+0xcd/0x170 [ 961.260065][ T10] do_syscall_64+0xc6/0x1e0 [ 961.260065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.260065][ T10] [ 961.262068][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 961.262068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.262068][ T10] ipv6_find_idev+0x102/0x170 [ 961.262068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.262068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.262068][ T10] netlink_rcv_skb+0x130/0x360 [ 961.262068][ T10] netlink_unicast+0x449/0x710 [ 961.262068][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.262068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.262068][ T10] ___sys_sendmsg+0xee/0x170 [ 961.262068][ T10] __sys_sendmsg+0xcd/0x170 [ 961.262068][ T10] do_syscall_64+0xc6/0x1e0 [ 961.262068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.262068][ T10] [ 961.263609][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 961.263609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.263609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.263609][ T10] ipv6_find_idev+0x102/0x170 [ 961.263609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.263609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.263609][ T10] netlink_rcv_skb+0x130/0x360 [ 961.263609][ T10] netlink_unicast+0x449/0x710 [ 961.263609][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.263609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.263609][ T10] ___sys_sendmsg+0xee/0x170 [ 961.263609][ T10] __sys_sendmsg+0xcd/0x170 [ 961.263609][ T10] do_syscall_64+0xc6/0x1e0 [ 961.263609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.263609][ T10] [ 961.265310][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 961.265591][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 961.265591][ T10] netdev_get_by_index+0x5e/0x80 [ 961.265591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.265591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.265591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.265591][ T10] ipv6_add_addr+0x411/0x2000 [ 961.265591][ T10] inet6_addr_add+0x30e/0xa40 [ 961.265591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.265591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.265591][ T10] netlink_rcv_skb+0x130/0x360 [ 961.265591][ T10] netlink_unicast+0x449/0x710 [ 961.265591][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.265591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.265591][ T10] ___sys_sendmsg+0xee/0x170 [ 961.265591][ T10] __sys_sendmsg+0xcd/0x170 [ 961.265591][ T10] do_syscall_64+0xc6/0x1e0 [ 961.265591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.265591][ T10] [ 961.267593][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 961.267593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.267593][ T10] ipv6_find_idev+0x102/0x170 [ 961.267593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.267593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.267593][ T10] netlink_rcv_skb+0x130/0x360 [ 961.267593][ T10] netlink_unicast+0x449/0x710 [ 961.267593][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.267593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.267593][ T10] ___sys_sendmsg+0xee/0x170 [ 961.267593][ T10] __sys_sendmsg+0xcd/0x170 [ 961.267593][ T10] do_syscall_64+0xc6/0x1e0 [ 961.267593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.267593][ T10] [ 961.269676][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 961.269676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.269676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.269676][ T10] ipv6_find_idev+0x102/0x170 [ 961.269676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.269676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.269676][ T10] netlink_rcv_skb+0x130/0x360 [ 961.269676][ T10] netlink_unicast+0x449/0x710 [ 961.269676][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.269676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.269676][ T10] ___sys_sendmsg+0xee/0x170 [ 961.269676][ T10] __sys_sendmsg+0xcd/0x170 [ 961.269676][ T10] do_syscall_64+0xc6/0x1e0 [ 961.269676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.269676][ T10] [ 961.271363][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 961.271652][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 961.271652][ T10] netdev_get_by_index+0x5e/0x80 [ 961.271652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.271652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.271652][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.271652][ T10] ipv6_add_addr+0x411/0x2000 [ 961.271652][ T10] inet6_addr_add+0x30e/0xa40 [ 961.271652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.271652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.271652][ T10] netlink_rcv_skb+0x130/0x360 [ 961.271652][ T10] netlink_unicast+0x449/0x710 [ 961.271652][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.271652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.271652][ T10] ___sys_sendmsg+0xee/0x170 [ 961.271652][ T10] __sys_sendmsg+0xcd/0x170 [ 961.271652][ T10] do_syscall_64+0xc6/0x1e0 [ 961.271652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.271652][ T10] [ 961.273658][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 961.273658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.273658][ T10] ipv6_find_idev+0x102/0x170 [ 961.273658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.273658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.273658][ T10] netlink_rcv_skb+0x130/0x360 [ 961.273658][ T10] netlink_unicast+0x449/0x710 [ 961.273658][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.273658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.273658][ T10] ___sys_sendmsg+0xee/0x170 [ 961.273658][ T10] __sys_sendmsg+0xcd/0x170 [ 961.273658][ T10] do_syscall_64+0xc6/0x1e0 [ 961.273658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.273658][ T10] [ 961.275584][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 961.275584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.275584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.275584][ T10] ipv6_find_idev+0x102/0x170 [ 961.275584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.275584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.275584][ T10] netlink_rcv_skb+0x130/0x360 [ 961.275584][ T10] netlink_unicast+0x449/0x710 [ 961.275584][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.275584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.275584][ T10] ___sys_sendmsg+0xee/0x170 [ 961.275584][ T10] __sys_sendmsg+0xcd/0x170 [ 961.275584][ T10] do_syscall_64+0xc6/0x1e0 [ 961.275584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.275584][ T10] [ 961.277699][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 961.278311][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 961.278311][ T10] netdev_get_by_index+0x5e/0x80 [ 961.278311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.278311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.278311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.278311][ T10] ipv6_add_addr+0x411/0x2000 [ 961.278311][ T10] inet6_addr_add+0x30e/0xa40 [ 961.278311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.278311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.278311][ T10] netlink_rcv_skb+0x130/0x360 [ 961.278311][ T10] netlink_unicast+0x449/0x710 [ 961.278311][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.278311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.278311][ T10] ___sys_sendmsg+0xee/0x170 [ 961.278311][ T10] __sys_sendmsg+0xcd/0x170 [ 961.278311][ T10] do_syscall_64+0xc6/0x1e0 [ 961.278311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.278311][ T10] [ 961.280304][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 961.280304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.280304][ T10] ipv6_find_idev+0x102/0x170 [ 961.280304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.280304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.280304][ T10] netlink_rcv_skb+0x130/0x360 [ 961.280304][ T10] netlink_unicast+0x449/0x710 [ 961.280304][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.280304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.280304][ T10] ___sys_sendmsg+0xee/0x170 [ 961.280304][ T10] __sys_sendmsg+0xcd/0x170 [ 961.280304][ T10] do_syscall_64+0xc6/0x1e0 [ 961.280304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.280304][ T10] [ 961.281843][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 961.281843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.281843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.281843][ T10] ipv6_find_idev+0x102/0x170 [ 961.281843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.281843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.281843][ T10] netlink_rcv_skb+0x130/0x360 [ 961.281843][ T10] netlink_unicast+0x449/0x710 [ 961.281843][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.281843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.281843][ T10] ___sys_sendmsg+0xee/0x170 [ 961.281843][ T10] __sys_sendmsg+0xcd/0x170 [ 961.281843][ T10] do_syscall_64+0xc6/0x1e0 [ 961.281843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.281843][ T10] [ 961.283526][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 961.283793][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 961.283793][ T10] netdev_get_by_index+0x5e/0x80 [ 961.283793][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.283793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.283793][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.283793][ T10] ipv6_add_addr+0x411/0x2000 [ 961.283793][ T10] inet6_addr_add+0x30e/0xa40 [ 961.283793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.283793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.283793][ T10] netlink_rcv_skb+0x130/0x360 [ 961.283793][ T10] netlink_unicast+0x449/0x710 [ 961.283793][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.283793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.283793][ T10] ___sys_sendmsg+0xee/0x170 [ 961.283793][ T10] __sys_sendmsg+0xcd/0x170 [ 961.283793][ T10] do_syscall_64+0xc6/0x1e0 [ 961.283793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.283793][ T10] [ 961.285796][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 961.285796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.285796][ T10] ipv6_find_idev+0x102/0x170 [ 961.285796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.285796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.285796][ T10] netlink_rcv_skb+0x130/0x360 [ 961.285796][ T10] netlink_unicast+0x449/0x710 [ 961.285796][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.285796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.285796][ T10] ___sys_sendmsg+0xee/0x170 [ 961.285796][ T10] __sys_sendmsg+0xcd/0x170 [ 961.285796][ T10] do_syscall_64+0xc6/0x1e0 [ 961.285796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.285796][ T10] [ 961.287478][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 961.287478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.287478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.287478][ T10] ipv6_find_idev+0x102/0x170 [ 961.287478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.287478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.287478][ T10] netlink_rcv_skb+0x130/0x360 [ 961.287478][ T10] netlink_unicast+0x449/0x710 [ 961.287478][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.287478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.287478][ T10] ___sys_sendmsg+0xee/0x170 [ 961.287478][ T10] __sys_sendmsg+0xcd/0x170 [ 961.287478][ T10] do_syscall_64+0xc6/0x1e0 [ 961.287478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.287478][ T10] [ 961.289446][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 961.289756][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 961.289756][ T10] netdev_get_by_index+0x5e/0x80 [ 961.289756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.289756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.289756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.289756][ T10] ipv6_add_addr+0x411/0x2000 [ 961.289756][ T10] inet6_addr_add+0x30e/0xa40 [ 961.289756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.289756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.289756][ T10] netlink_rcv_skb+0x130/0x360 [ 961.289756][ T10] netlink_unicast+0x449/0x710 [ 961.289756][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.289756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.289756][ T10] ___sys_sendmsg+0xee/0x170 [ 961.289756][ T10] __sys_sendmsg+0xcd/0x170 [ 961.289756][ T10] do_syscall_64+0xc6/0x1e0 [ 961.289756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.289756][ T10] [ 961.291939][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 961.291939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.291939][ T10] ipv6_find_idev+0x102/0x170 [ 961.291939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.291939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.291939][ T10] netlink_rcv_skb+0x130/0x360 [ 961.291939][ T10] netlink_unicast+0x449/0x710 [ 961.291939][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.291939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.291939][ T10] ___sys_sendmsg+0xee/0x170 [ 961.291939][ T10] __sys_sendmsg+0xcd/0x170 [ 961.291939][ T10] do_syscall_64+0xc6/0x1e0 [ 961.291939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.291939][ T10] [ 961.293658][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 961.293658][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.293658][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.293658][ T10] ipv6_find_idev+0x102/0x170 [ 961.293658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.293658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.293658][ T10] netlink_rcv_skb+0x130/0x360 [ 961.293658][ T10] netlink_unicast+0x449/0x710 [ 961.293658][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.293658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.293658][ T10] ___sys_sendmsg+0xee/0x170 [ 961.293658][ T10] __sys_sendmsg+0xcd/0x170 [ 961.293658][ T10] do_syscall_64+0xc6/0x1e0 [ 961.293658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.293658][ T10] [ 961.295561][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 961.295882][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 961.295882][ T10] netdev_get_by_index+0x5e/0x80 [ 961.295882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 961.295882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 961.295882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 961.295882][ T10] ipv6_add_addr+0x411/0x2000 [ 961.295882][ T10] inet6_addr_add+0x30e/0xa40 [ 961.295882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 961.295882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.295882][ T10] netlink_rcv_skb+0x130/0x360 [ 961.295882][ T10] netlink_unicast+0x449/0x710 [ 961.295882][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.295882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.295882][ T10] ___sys_sendmsg+0xee/0x170 [ 961.295882][ T10] __sys_sendmsg+0xcd/0x170 [ 961.295882][ T10] do_syscall_64+0xc6/0x1e0 [ 961.295882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.295882][ T10] [ 961.298066][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 961.298066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 961.298066][ T10] ipv6_find_idev+0x102/0x170 [ 961.298066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.298066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.298066][ T10] netlink_rcv_skb+0x130/0x360 [ 961.298066][ T10] netlink_unicast+0x449/0x710 [ 961.298066][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.298066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.298066][ T10] ___sys_sendmsg+0xee/0x170 [ 961.298066][ T10] __sys_sendmsg+0xcd/0x170 [ 961.298066][ T10] do_syscall_64+0xc6/0x1e0 [ 961.298066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.298066][ T10] [ 961.299852][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 961.299852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 961.299852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 961.299852][ T10] ipv6_find_idev+0x102/0x170 [ 961.299852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.299852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.299852][ T10] netlink_rcv_skb+0x130/0x360 [ 961.299852][ T10] netlink_unicast+0x449/0x710 [ 961.299852][ T10] netlink_sendmsg+0x723/0xbe0 [ 961.299852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 961.299852][ T10] ___sys_sendmsg+0xee/0x170 [ 961.299852][ T10] __sys_sendmsg+0xcd/0x170 [ 961.299852][ T10] do_syscall_64+0xc6/0x1e0 [ 961.299852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.299852][ T10] [ 971.309900][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 971.310378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 971.310378][ T10] netdev_get_by_index+0x5e/0x80 [ 971.310378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.310378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.310378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.310378][ T10] ipv6_add_addr+0x411/0x2000 [ 971.310378][ T10] inet6_addr_add+0x30e/0xa40 [ 971.310378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.310378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.310378][ T10] netlink_rcv_skb+0x130/0x360 [ 971.310378][ T10] netlink_unicast+0x449/0x710 [ 971.310378][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.310378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.310378][ T10] ___sys_sendmsg+0xee/0x170 [ 971.310378][ T10] __sys_sendmsg+0xcd/0x170 [ 971.310378][ T10] do_syscall_64+0xc6/0x1e0 [ 971.310378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.310378][ T10] [ 971.312669][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 971.312669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.312669][ T10] ipv6_find_idev+0x102/0x170 [ 971.312669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.312669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.312669][ T10] netlink_rcv_skb+0x130/0x360 [ 971.312669][ T10] netlink_unicast+0x449/0x710 [ 971.312669][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.312669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.312669][ T10] ___sys_sendmsg+0xee/0x170 [ 971.312669][ T10] __sys_sendmsg+0xcd/0x170 [ 971.312669][ T10] do_syscall_64+0xc6/0x1e0 [ 971.312669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.312669][ T10] [ 971.314216][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 971.314216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.314216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.314216][ T10] ipv6_find_idev+0x102/0x170 [ 971.314216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.314216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.314216][ T10] netlink_rcv_skb+0x130/0x360 [ 971.314216][ T10] netlink_unicast+0x449/0x710 [ 971.314216][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.314216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.314216][ T10] ___sys_sendmsg+0xee/0x170 [ 971.314216][ T10] __sys_sendmsg+0xcd/0x170 [ 971.314216][ T10] do_syscall_64+0xc6/0x1e0 [ 971.314216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.314216][ T10] [ 971.315926][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 971.316243][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 971.316243][ T10] netdev_get_by_index+0x5e/0x80 [ 971.316243][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.316243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.316243][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.316243][ T10] ipv6_add_addr+0x411/0x2000 [ 971.316243][ T10] inet6_addr_add+0x30e/0xa40 [ 971.316243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.316243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.316243][ T10] netlink_rcv_skb+0x130/0x360 [ 971.316243][ T10] netlink_unicast+0x449/0x710 [ 971.316243][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.316243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.316243][ T10] ___sys_sendmsg+0xee/0x170 [ 971.316243][ T10] __sys_sendmsg+0xcd/0x170 [ 971.316243][ T10] do_syscall_64+0xc6/0x1e0 [ 971.316243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.316243][ T10] [ 971.318253][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 971.318253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.318253][ T10] ipv6_find_idev+0x102/0x170 [ 971.318253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.318253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.318253][ T10] netlink_rcv_skb+0x130/0x360 [ 971.318253][ T10] netlink_unicast+0x449/0x710 [ 971.318253][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.318253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.318253][ T10] ___sys_sendmsg+0xee/0x170 [ 971.318253][ T10] __sys_sendmsg+0xcd/0x170 [ 971.318253][ T10] do_syscall_64+0xc6/0x1e0 [ 971.318253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.318253][ T10] [ 971.319841][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 971.319841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.319841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.319841][ T10] ipv6_find_idev+0x102/0x170 [ 971.319841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.319841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.319841][ T10] netlink_rcv_skb+0x130/0x360 [ 971.319841][ T10] netlink_unicast+0x449/0x710 [ 971.319841][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.319841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.319841][ T10] ___sys_sendmsg+0xee/0x170 [ 971.319841][ T10] __sys_sendmsg+0xcd/0x170 [ 971.319841][ T10] do_syscall_64+0xc6/0x1e0 [ 971.319841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.319841][ T10] [ 971.321534][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 971.321801][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 971.321801][ T10] netdev_get_by_index+0x5e/0x80 [ 971.321801][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.321801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.321801][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.321801][ T10] ipv6_add_addr+0x411/0x2000 [ 971.321801][ T10] inet6_addr_add+0x30e/0xa40 [ 971.321801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.321801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.321801][ T10] netlink_rcv_skb+0x130/0x360 [ 971.321801][ T10] netlink_unicast+0x449/0x710 [ 971.321801][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.321801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.321801][ T10] ___sys_sendmsg+0xee/0x170 [ 971.321801][ T10] __sys_sendmsg+0xcd/0x170 [ 971.321801][ T10] do_syscall_64+0xc6/0x1e0 [ 971.321801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.321801][ T10] [ 971.323799][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 971.323799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.323799][ T10] ipv6_find_idev+0x102/0x170 [ 971.323799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.323799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.323799][ T10] netlink_rcv_skb+0x130/0x360 [ 971.323799][ T10] netlink_unicast+0x449/0x710 [ 971.323799][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.323799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.323799][ T10] ___sys_sendmsg+0xee/0x170 [ 971.323799][ T10] __sys_sendmsg+0xcd/0x170 [ 971.323799][ T10] do_syscall_64+0xc6/0x1e0 [ 971.323799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.323799][ T10] [ 971.325359][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 971.325359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.325359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.325359][ T10] ipv6_find_idev+0x102/0x170 [ 971.325359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.325359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.325359][ T10] netlink_rcv_skb+0x130/0x360 [ 971.325359][ T10] netlink_unicast+0x449/0x710 [ 971.325359][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.325359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.325359][ T10] ___sys_sendmsg+0xee/0x170 [ 971.325359][ T10] __sys_sendmsg+0xcd/0x170 [ 971.325359][ T10] do_syscall_64+0xc6/0x1e0 [ 971.325359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.325359][ T10] [ 971.327069][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 971.327345][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 971.327345][ T10] netdev_get_by_index+0x5e/0x80 [ 971.327345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.327345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.327345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.327345][ T10] ipv6_add_addr+0x411/0x2000 [ 971.327345][ T10] inet6_addr_add+0x30e/0xa40 [ 971.327345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.327345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.327345][ T10] netlink_rcv_skb+0x130/0x360 [ 971.327345][ T10] netlink_unicast+0x449/0x710 [ 971.327345][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.327345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.327345][ T10] ___sys_sendmsg+0xee/0x170 [ 971.327345][ T10] __sys_sendmsg+0xcd/0x170 [ 971.327345][ T10] do_syscall_64+0xc6/0x1e0 [ 971.327345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.327345][ T10] [ 971.329347][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 971.329347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.329347][ T10] ipv6_find_idev+0x102/0x170 [ 971.329347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.329347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.329347][ T10] netlink_rcv_skb+0x130/0x360 [ 971.329347][ T10] netlink_unicast+0x449/0x710 [ 971.329347][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.329347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.329347][ T10] ___sys_sendmsg+0xee/0x170 [ 971.329347][ T10] __sys_sendmsg+0xcd/0x170 [ 971.329347][ T10] do_syscall_64+0xc6/0x1e0 [ 971.329347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.329347][ T10] [ 971.330889][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 971.330889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.330889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.330889][ T10] ipv6_find_idev+0x102/0x170 [ 971.330889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.330889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.330889][ T10] netlink_rcv_skb+0x130/0x360 [ 971.330889][ T10] netlink_unicast+0x449/0x710 [ 971.330889][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.330889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.330889][ T10] ___sys_sendmsg+0xee/0x170 [ 971.330889][ T10] __sys_sendmsg+0xcd/0x170 [ 971.330889][ T10] do_syscall_64+0xc6/0x1e0 [ 971.330889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.330889][ T10] [ 971.332992][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 971.333594][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 971.333594][ T10] netdev_get_by_index+0x5e/0x80 [ 971.333594][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.333594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.333594][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.333594][ T10] ipv6_add_addr+0x411/0x2000 [ 971.333594][ T10] inet6_addr_add+0x30e/0xa40 [ 971.333594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.333594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.333594][ T10] netlink_rcv_skb+0x130/0x360 [ 971.333594][ T10] netlink_unicast+0x449/0x710 [ 971.333594][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.333594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.333594][ T10] ___sys_sendmsg+0xee/0x170 [ 971.333594][ T10] __sys_sendmsg+0xcd/0x170 [ 971.333594][ T10] do_syscall_64+0xc6/0x1e0 [ 971.333594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.333594][ T10] [ 971.335991][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 971.335991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.335991][ T10] ipv6_find_idev+0x102/0x170 [ 971.335991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.335991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.335991][ T10] netlink_rcv_skb+0x130/0x360 [ 971.335991][ T10] netlink_unicast+0x449/0x710 [ 971.335991][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.335991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.335991][ T10] ___sys_sendmsg+0xee/0x170 [ 971.335991][ T10] __sys_sendmsg+0xcd/0x170 [ 971.335991][ T10] do_syscall_64+0xc6/0x1e0 [ 971.335991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.335991][ T10] [ 971.337539][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 971.337539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.337539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.337539][ T10] ipv6_find_idev+0x102/0x170 [ 971.337539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.337539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.337539][ T10] netlink_rcv_skb+0x130/0x360 [ 971.337539][ T10] netlink_unicast+0x449/0x710 [ 971.337539][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.337539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.337539][ T10] ___sys_sendmsg+0xee/0x170 [ 971.337539][ T10] __sys_sendmsg+0xcd/0x170 [ 971.337539][ T10] do_syscall_64+0xc6/0x1e0 [ 971.337539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.337539][ T10] [ 971.339235][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 971.339503][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 971.339503][ T10] netdev_get_by_index+0x5e/0x80 [ 971.339503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.339503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.339503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.339503][ T10] ipv6_add_addr+0x411/0x2000 [ 971.339503][ T10] inet6_addr_add+0x30e/0xa40 [ 971.339503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.339503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.339503][ T10] netlink_rcv_skb+0x130/0x360 [ 971.339503][ T10] netlink_unicast+0x449/0x710 [ 971.339503][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.339503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.339503][ T10] ___sys_sendmsg+0xee/0x170 [ 971.339503][ T10] __sys_sendmsg+0xcd/0x170 [ 971.339503][ T10] do_syscall_64+0xc6/0x1e0 [ 971.339503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.339503][ T10] [ 971.341499][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 971.341499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.341499][ T10] ipv6_find_idev+0x102/0x170 [ 971.341499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.341499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.341499][ T10] netlink_rcv_skb+0x130/0x360 [ 971.341499][ T10] netlink_unicast+0x449/0x710 [ 971.341499][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.341499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.341499][ T10] ___sys_sendmsg+0xee/0x170 [ 971.341499][ T10] __sys_sendmsg+0xcd/0x170 [ 971.341499][ T10] do_syscall_64+0xc6/0x1e0 [ 971.341499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.341499][ T10] [ 971.343165][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 971.343165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.343165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.343165][ T10] ipv6_find_idev+0x102/0x170 [ 971.343165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.343165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.343165][ T10] netlink_rcv_skb+0x130/0x360 [ 971.343165][ T10] netlink_unicast+0x449/0x710 [ 971.343165][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.343165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.343165][ T10] ___sys_sendmsg+0xee/0x170 [ 971.343165][ T10] __sys_sendmsg+0xcd/0x170 [ 971.343165][ T10] do_syscall_64+0xc6/0x1e0 [ 971.343165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.343165][ T10] [ 971.345137][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 971.345449][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 971.345449][ T10] netdev_get_by_index+0x5e/0x80 [ 971.345449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.345449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.345449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.345449][ T10] ipv6_add_addr+0x411/0x2000 [ 971.345449][ T10] inet6_addr_add+0x30e/0xa40 [ 971.345449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.345449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.345449][ T10] netlink_rcv_skb+0x130/0x360 [ 971.345449][ T10] netlink_unicast+0x449/0x710 [ 971.345449][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.345449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.345449][ T10] ___sys_sendmsg+0xee/0x170 [ 971.345449][ T10] __sys_sendmsg+0xcd/0x170 [ 971.345449][ T10] do_syscall_64+0xc6/0x1e0 [ 971.345449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.345449][ T10] [ 971.347627][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 971.347627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.347627][ T10] ipv6_find_idev+0x102/0x170 [ 971.347627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.347627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.347627][ T10] netlink_rcv_skb+0x130/0x360 [ 971.347627][ T10] netlink_unicast+0x449/0x710 [ 971.347627][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.347627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.347627][ T10] ___sys_sendmsg+0xee/0x170 [ 971.347627][ T10] __sys_sendmsg+0xcd/0x170 [ 971.347627][ T10] do_syscall_64+0xc6/0x1e0 [ 971.347627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.347627][ T10] [ 971.349343][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 971.349343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.349343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.349343][ T10] ipv6_find_idev+0x102/0x170 [ 971.349343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.349343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.349343][ T10] netlink_rcv_skb+0x130/0x360 [ 971.349343][ T10] netlink_unicast+0x449/0x710 [ 971.349343][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.349343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.349343][ T10] ___sys_sendmsg+0xee/0x170 [ 971.349343][ T10] __sys_sendmsg+0xcd/0x170 [ 971.349343][ T10] do_syscall_64+0xc6/0x1e0 [ 971.349343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.349343][ T10] [ 971.351240][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 971.351551][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 971.351551][ T10] netdev_get_by_index+0x5e/0x80 [ 971.351551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 971.351551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 971.351551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 971.351551][ T10] ipv6_add_addr+0x411/0x2000 [ 971.351551][ T10] inet6_addr_add+0x30e/0xa40 [ 971.351551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 971.351551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.351551][ T10] netlink_rcv_skb+0x130/0x360 [ 971.351551][ T10] netlink_unicast+0x449/0x710 [ 971.351551][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.351551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.351551][ T10] ___sys_sendmsg+0xee/0x170 [ 971.351551][ T10] __sys_sendmsg+0xcd/0x170 [ 971.351551][ T10] do_syscall_64+0xc6/0x1e0 [ 971.351551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.351551][ T10] [ 971.353725][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 971.353725][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 971.353725][ T10] ipv6_find_idev+0x102/0x170 [ 971.353725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.353725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.353725][ T10] netlink_rcv_skb+0x130/0x360 [ 971.353725][ T10] netlink_unicast+0x449/0x710 [ 971.353725][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.353725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.353725][ T10] ___sys_sendmsg+0xee/0x170 [ 971.353725][ T10] __sys_sendmsg+0xcd/0x170 [ 971.353725][ T10] do_syscall_64+0xc6/0x1e0 [ 971.353725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.353725][ T10] [ 971.355510][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 971.355510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 971.355510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 971.355510][ T10] ipv6_find_idev+0x102/0x170 [ 971.355510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.355510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.355510][ T10] netlink_rcv_skb+0x130/0x360 [ 971.355510][ T10] netlink_unicast+0x449/0x710 [ 971.355510][ T10] netlink_sendmsg+0x723/0xbe0 [ 971.355510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 971.355510][ T10] ___sys_sendmsg+0xee/0x170 [ 971.355510][ T10] __sys_sendmsg+0xcd/0x170 [ 971.355510][ T10] do_syscall_64+0xc6/0x1e0 [ 971.355510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.355510][ T10] [ 981.421839][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 981.422331][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 981.422331][ T10] netdev_get_by_index+0x5e/0x80 [ 981.422331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.422331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.422331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.422331][ T10] ipv6_add_addr+0x411/0x2000 [ 981.422331][ T10] inet6_addr_add+0x30e/0xa40 [ 981.422331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.422331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.422331][ T10] netlink_rcv_skb+0x130/0x360 [ 981.422331][ T10] netlink_unicast+0x449/0x710 [ 981.422331][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.422331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.422331][ T10] ___sys_sendmsg+0xee/0x170 [ 981.422331][ T10] __sys_sendmsg+0xcd/0x170 [ 981.422331][ T10] do_syscall_64+0xc6/0x1e0 [ 981.422331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.422331][ T10] [ 981.424331][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 981.424331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.424331][ T10] ipv6_find_idev+0x102/0x170 [ 981.424331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.424331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.424331][ T10] netlink_rcv_skb+0x130/0x360 [ 981.424331][ T10] netlink_unicast+0x449/0x710 [ 981.424331][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.424331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.424331][ T10] ___sys_sendmsg+0xee/0x170 [ 981.424331][ T10] __sys_sendmsg+0xcd/0x170 [ 981.424331][ T10] do_syscall_64+0xc6/0x1e0 [ 981.424331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.424331][ T10] [ 981.425856][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 981.425856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.425856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.425856][ T10] ipv6_find_idev+0x102/0x170 [ 981.425856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.425856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.425856][ T10] netlink_rcv_skb+0x130/0x360 [ 981.425856][ T10] netlink_unicast+0x449/0x710 [ 981.425856][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.425856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.425856][ T10] ___sys_sendmsg+0xee/0x170 [ 981.425856][ T10] __sys_sendmsg+0xcd/0x170 [ 981.425856][ T10] do_syscall_64+0xc6/0x1e0 [ 981.425856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.425856][ T10] [ 981.427530][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 981.427798][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 981.427798][ T10] netdev_get_by_index+0x5e/0x80 [ 981.427798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.427798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.427798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.427798][ T10] ipv6_add_addr+0x411/0x2000 [ 981.427798][ T10] inet6_addr_add+0x30e/0xa40 [ 981.427798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.427798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.427798][ T10] netlink_rcv_skb+0x130/0x360 [ 981.427798][ T10] netlink_unicast+0x449/0x710 [ 981.427798][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.427798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.427798][ T10] ___sys_sendmsg+0xee/0x170 [ 981.427798][ T10] __sys_sendmsg+0xcd/0x170 [ 981.427798][ T10] do_syscall_64+0xc6/0x1e0 [ 981.427798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.427798][ T10] [ 981.429773][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 981.429773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.429773][ T10] ipv6_find_idev+0x102/0x170 [ 981.429773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.429773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.429773][ T10] netlink_rcv_skb+0x130/0x360 [ 981.429773][ T10] netlink_unicast+0x449/0x710 [ 981.429773][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.429773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.429773][ T10] ___sys_sendmsg+0xee/0x170 [ 981.429773][ T10] __sys_sendmsg+0xcd/0x170 [ 981.429773][ T10] do_syscall_64+0xc6/0x1e0 [ 981.429773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.429773][ T10] [ 981.431304][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 981.431304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.431304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.431304][ T10] ipv6_find_idev+0x102/0x170 [ 981.431304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.431304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.431304][ T10] netlink_rcv_skb+0x130/0x360 [ 981.431304][ T10] netlink_unicast+0x449/0x710 [ 981.431304][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.431304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.431304][ T10] ___sys_sendmsg+0xee/0x170 [ 981.431304][ T10] __sys_sendmsg+0xcd/0x170 [ 981.431304][ T10] do_syscall_64+0xc6/0x1e0 [ 981.431304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.431304][ T10] [ 981.432968][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 981.433232][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 981.433232][ T10] netdev_get_by_index+0x5e/0x80 [ 981.433232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.433232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.433232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.433232][ T10] ipv6_add_addr+0x411/0x2000 [ 981.433232][ T10] inet6_addr_add+0x30e/0xa40 [ 981.433232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.433232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.433232][ T10] netlink_rcv_skb+0x130/0x360 [ 981.433232][ T10] netlink_unicast+0x449/0x710 [ 981.433232][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.433232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.433232][ T10] ___sys_sendmsg+0xee/0x170 [ 981.433232][ T10] __sys_sendmsg+0xcd/0x170 [ 981.433232][ T10] do_syscall_64+0xc6/0x1e0 [ 981.433232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.433232][ T10] [ 981.435197][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 981.435197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.435197][ T10] ipv6_find_idev+0x102/0x170 [ 981.435197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.435197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.435197][ T10] netlink_rcv_skb+0x130/0x360 [ 981.435197][ T10] netlink_unicast+0x449/0x710 [ 981.435197][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.435197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.435197][ T10] ___sys_sendmsg+0xee/0x170 [ 981.435197][ T10] __sys_sendmsg+0xcd/0x170 [ 981.435197][ T10] do_syscall_64+0xc6/0x1e0 [ 981.435197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.435197][ T10] [ 981.436719][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 981.436719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.436719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.436719][ T10] ipv6_find_idev+0x102/0x170 [ 981.436719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.436719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.436719][ T10] netlink_rcv_skb+0x130/0x360 [ 981.436719][ T10] netlink_unicast+0x449/0x710 [ 981.436719][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.436719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.436719][ T10] ___sys_sendmsg+0xee/0x170 [ 981.436719][ T10] __sys_sendmsg+0xcd/0x170 [ 981.436719][ T10] do_syscall_64+0xc6/0x1e0 [ 981.436719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.436719][ T10] [ 981.438381][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 981.438638][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 981.438638][ T10] netdev_get_by_index+0x5e/0x80 [ 981.438638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.438638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.438638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.438638][ T10] ipv6_add_addr+0x411/0x2000 [ 981.438638][ T10] inet6_addr_add+0x30e/0xa40 [ 981.438638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.438638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.438638][ T10] netlink_rcv_skb+0x130/0x360 [ 981.438638][ T10] netlink_unicast+0x449/0x710 [ 981.438638][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.438638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.438638][ T10] ___sys_sendmsg+0xee/0x170 [ 981.438638][ T10] __sys_sendmsg+0xcd/0x170 [ 981.438638][ T10] do_syscall_64+0xc6/0x1e0 [ 981.438638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.438638][ T10] [ 981.440606][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 981.440606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.440606][ T10] ipv6_find_idev+0x102/0x170 [ 981.440606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.440606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.440606][ T10] netlink_rcv_skb+0x130/0x360 [ 981.440606][ T10] netlink_unicast+0x449/0x710 [ 981.440606][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.440606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.440606][ T10] ___sys_sendmsg+0xee/0x170 [ 981.440606][ T10] __sys_sendmsg+0xcd/0x170 [ 981.440606][ T10] do_syscall_64+0xc6/0x1e0 [ 981.440606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.440606][ T10] [ 981.442122][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 981.442122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.442122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.442122][ T10] ipv6_find_idev+0x102/0x170 [ 981.442122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.442122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.442122][ T10] netlink_rcv_skb+0x130/0x360 [ 981.442122][ T10] netlink_unicast+0x449/0x710 [ 981.442122][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.442122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.442122][ T10] ___sys_sendmsg+0xee/0x170 [ 981.442122][ T10] __sys_sendmsg+0xcd/0x170 [ 981.442122][ T10] do_syscall_64+0xc6/0x1e0 [ 981.442122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.442122][ T10] [ 981.444188][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 981.444447][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 981.444447][ T10] netdev_get_by_index+0x5e/0x80 [ 981.444447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.444447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.444447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.444447][ T10] ipv6_add_addr+0x411/0x2000 [ 981.444447][ T10] inet6_addr_add+0x30e/0xa40 [ 981.444447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.444447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.444447][ T10] netlink_rcv_skb+0x130/0x360 [ 981.444447][ T10] netlink_unicast+0x449/0x710 [ 981.444447][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.444447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.444447][ T10] ___sys_sendmsg+0xee/0x170 [ 981.444447][ T10] __sys_sendmsg+0xcd/0x170 [ 981.444447][ T10] do_syscall_64+0xc6/0x1e0 [ 981.444447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.444447][ T10] [ 981.446429][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 981.446429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.446429][ T10] ipv6_find_idev+0x102/0x170 [ 981.446429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.446429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.446429][ T10] netlink_rcv_skb+0x130/0x360 [ 981.446429][ T10] netlink_unicast+0x449/0x710 [ 981.446429][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.446429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.446429][ T10] ___sys_sendmsg+0xee/0x170 [ 981.446429][ T10] __sys_sendmsg+0xcd/0x170 [ 981.446429][ T10] do_syscall_64+0xc6/0x1e0 [ 981.446429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.446429][ T10] [ 981.447961][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 981.447961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.447961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.447961][ T10] ipv6_find_idev+0x102/0x170 [ 981.447961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.447961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.447961][ T10] netlink_rcv_skb+0x130/0x360 [ 981.447961][ T10] netlink_unicast+0x449/0x710 [ 981.447961][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.447961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.447961][ T10] ___sys_sendmsg+0xee/0x170 [ 981.447961][ T10] __sys_sendmsg+0xcd/0x170 [ 981.447961][ T10] do_syscall_64+0xc6/0x1e0 [ 981.447961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.447961][ T10] [ 981.449661][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 981.449978][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 981.449978][ T10] netdev_get_by_index+0x5e/0x80 [ 981.449978][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.449978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.449978][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.449978][ T10] ipv6_add_addr+0x411/0x2000 [ 981.449978][ T10] inet6_addr_add+0x30e/0xa40 [ 981.449978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.449978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.449978][ T10] netlink_rcv_skb+0x130/0x360 [ 981.449978][ T10] netlink_unicast+0x449/0x710 [ 981.449978][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.449978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.449978][ T10] ___sys_sendmsg+0xee/0x170 [ 981.449978][ T10] __sys_sendmsg+0xcd/0x170 [ 981.449978][ T10] do_syscall_64+0xc6/0x1e0 [ 981.449978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.449978][ T10] [ 981.452084][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 981.452084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.452084][ T10] ipv6_find_idev+0x102/0x170 [ 981.452084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.452084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.452084][ T10] netlink_rcv_skb+0x130/0x360 [ 981.452084][ T10] netlink_unicast+0x449/0x710 [ 981.452084][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.452084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.452084][ T10] ___sys_sendmsg+0xee/0x170 [ 981.452084][ T10] __sys_sendmsg+0xcd/0x170 [ 981.452084][ T10] do_syscall_64+0xc6/0x1e0 [ 981.452084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.452084][ T10] [ 981.453852][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 981.453852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.453852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.453852][ T10] ipv6_find_idev+0x102/0x170 [ 981.453852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.453852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.453852][ T10] netlink_rcv_skb+0x130/0x360 [ 981.453852][ T10] netlink_unicast+0x449/0x710 [ 981.453852][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.453852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.453852][ T10] ___sys_sendmsg+0xee/0x170 [ 981.453852][ T10] __sys_sendmsg+0xcd/0x170 [ 981.453852][ T10] do_syscall_64+0xc6/0x1e0 [ 981.453852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.453852][ T10] [ 981.455737][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 981.456061][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 981.456061][ T10] netdev_get_by_index+0x5e/0x80 [ 981.456061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.456061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.456061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.456061][ T10] ipv6_add_addr+0x411/0x2000 [ 981.456061][ T10] inet6_addr_add+0x30e/0xa40 [ 981.456061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.456061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.456061][ T10] netlink_rcv_skb+0x130/0x360 [ 981.456061][ T10] netlink_unicast+0x449/0x710 [ 981.456061][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.456061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.456061][ T10] ___sys_sendmsg+0xee/0x170 [ 981.456061][ T10] __sys_sendmsg+0xcd/0x170 [ 981.456061][ T10] do_syscall_64+0xc6/0x1e0 [ 981.456061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.456061][ T10] [ 981.458225][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 981.458225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.458225][ T10] ipv6_find_idev+0x102/0x170 [ 981.458225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.458225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.458225][ T10] netlink_rcv_skb+0x130/0x360 [ 981.458225][ T10] netlink_unicast+0x449/0x710 [ 981.458225][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.458225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.458225][ T10] ___sys_sendmsg+0xee/0x170 [ 981.458225][ T10] __sys_sendmsg+0xcd/0x170 [ 981.458225][ T10] do_syscall_64+0xc6/0x1e0 [ 981.458225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.458225][ T10] [ 981.459927][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 981.459927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.459927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.459927][ T10] ipv6_find_idev+0x102/0x170 [ 981.459927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.459927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.459927][ T10] netlink_rcv_skb+0x130/0x360 [ 981.459927][ T10] netlink_unicast+0x449/0x710 [ 981.459927][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.459927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.459927][ T10] ___sys_sendmsg+0xee/0x170 [ 981.459927][ T10] __sys_sendmsg+0xcd/0x170 [ 981.459927][ T10] do_syscall_64+0xc6/0x1e0 [ 981.459927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.459927][ T10] [ 981.461874][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 981.462136][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 981.462136][ T10] netdev_get_by_index+0x5e/0x80 [ 981.462136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 981.462136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 981.462136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 981.462136][ T10] ipv6_add_addr+0x411/0x2000 [ 981.462136][ T10] inet6_addr_add+0x30e/0xa40 [ 981.462136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 981.462136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.462136][ T10] netlink_rcv_skb+0x130/0x360 [ 981.462136][ T10] netlink_unicast+0x449/0x710 [ 981.462136][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.462136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.462136][ T10] ___sys_sendmsg+0xee/0x170 [ 981.462136][ T10] __sys_sendmsg+0xcd/0x170 [ 981.462136][ T10] do_syscall_64+0xc6/0x1e0 [ 981.462136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.462136][ T10] [ 981.464290][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 981.464290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 981.464290][ T10] ipv6_find_idev+0x102/0x170 [ 981.464290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.464290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.464290][ T10] netlink_rcv_skb+0x130/0x360 [ 981.464290][ T10] netlink_unicast+0x449/0x710 [ 981.464290][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.464290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.464290][ T10] ___sys_sendmsg+0xee/0x170 [ 981.464290][ T10] __sys_sendmsg+0xcd/0x170 [ 981.464290][ T10] do_syscall_64+0xc6/0x1e0 [ 981.464290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.464290][ T10] [ 981.465991][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 981.465991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 981.465991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 981.465991][ T10] ipv6_find_idev+0x102/0x170 [ 981.465991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.465991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.465991][ T10] netlink_rcv_skb+0x130/0x360 [ 981.465991][ T10] netlink_unicast+0x449/0x710 [ 981.465991][ T10] netlink_sendmsg+0x723/0xbe0 [ 981.465991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 981.465991][ T10] ___sys_sendmsg+0xee/0x170 [ 981.465991][ T10] __sys_sendmsg+0xcd/0x170 [ 981.465991][ T10] do_syscall_64+0xc6/0x1e0 [ 981.465991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.465991][ T10] [ 984.357893][ T42] INFO: task modprobe:1060 blocked for more than 737 seconds. [ 984.358263][ T42] Not tainted 6.8.0-virtme #1 [ 984.358388][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.358603][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 984.358915][ T42] Call Trace: [ 984.359017][ T42] [ 984.359092][ T42] __schedule+0x705/0x1ac0 [ 984.359233][ T42] ? __pfx___schedule+0x10/0x10 [ 984.359361][ T42] ? schedule+0x1a5/0x210 [ 984.359460][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.359595][ T42] ? mark_lock+0x38/0x3e0 [ 984.359696][ T42] ? do_raw_spin_lock+0x131/0x270 [ 984.359847][ T42] ? schedule+0x1a5/0x210 [ 984.359948][ T42] schedule+0xdf/0x210 [ 984.360048][ T42] schedule_preempt_disabled+0x15/0x30 [ 984.360187][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 984.360322][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 984.360477][ T42] ? kasan_save_stack+0x34/0x50 [ 984.360608][ T42] ? kasan_save_stack+0x24/0x50 [ 984.360735][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.360884][ T42] ? lock_acquire+0x1c1/0x220 [ 984.361010][ T42] ? register_pernet_subsys+0x1a/0x50 [ 984.361145][ T42] down_write+0x1c9/0x200 [ 984.361244][ T42] ? __pfx_down_write+0x10/0x10 [ 984.361369][ T42] ? __pfx___lock_release+0x10/0x10 [ 984.361506][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 984.361705][ T42] register_pernet_subsys+0x1a/0x50 [ 984.361846][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 984.362026][ T42] do_one_initcall+0xc8/0x3f0 [ 984.362159][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 984.362289][ T42] ? __create_object+0x5e/0xb0 [ 984.362440][ T42] ? kasan_unpoison+0x27/0x60 [ 984.362571][ T42] do_init_module+0x233/0x740 [ 984.362711][ T42] load_module+0x16b5/0x2350 [ 984.362871][ T42] ? __pfx_load_module+0x10/0x10 [ 984.363000][ T42] ? kernel_read_file+0x3d2/0x520 [ 984.363138][ T42] ? kernel_read_file+0x300/0x520 [ 984.363275][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 984.363409][ T42] ? init_module_from_file+0xd2/0x130 [ 984.363535][ T42] init_module_from_file+0xd2/0x130 [ 984.363663][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 984.363833][ T42] ? __lock_release+0x103/0x460 [ 984.363959][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.364103][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.364230][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 984.364362][ T42] idempotent_init_module+0x342/0x620 [ 984.364491][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 984.364666][ T42] __x64_sys_finit_module+0xbe/0x130 [ 984.364804][ T42] do_syscall_64+0xc6/0x1e0 [ 984.364939][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 984.365098][ T42] RIP: 0033:0x7ff11fe2be5d [ 984.365232][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 984.365421][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 984.365609][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 984.365807][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 984.366002][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 984.366192][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 984.366392][ T42] [ 984.366493][ T42] [ 984.366493][ T42] Showing all locks held in the system: [ 984.366672][ T42] 3 locks held by kworker/u16:0/10: [ 984.366819][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.367104][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.367335][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 984.367562][ T42] 2 locks held by kworker/u20:0/39: [ 984.367683][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.367948][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.368232][ T42] 1 lock held by khungtaskd/42: [ 984.368355][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 984.368583][ T42] 1 lock held by modprobe/1060: [ 984.368704][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 984.368966][ T42] [ 984.369033][ T42] ============================================= [ 984.369033][ T42] [ 991.485894][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 991.486399][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 991.486399][ T10] netdev_get_by_index+0x5e/0x80 [ 991.486399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.486399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.486399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.486399][ T10] ipv6_add_addr+0x411/0x2000 [ 991.486399][ T10] inet6_addr_add+0x30e/0xa40 [ 991.486399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.486399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.486399][ T10] netlink_rcv_skb+0x130/0x360 [ 991.486399][ T10] netlink_unicast+0x449/0x710 [ 991.486399][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.486399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.486399][ T10] ___sys_sendmsg+0xee/0x170 [ 991.486399][ T10] __sys_sendmsg+0xcd/0x170 [ 991.486399][ T10] do_syscall_64+0xc6/0x1e0 [ 991.486399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.486399][ T10] [ 991.488508][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 991.488508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.488508][ T10] ipv6_find_idev+0x102/0x170 [ 991.488508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.488508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.488508][ T10] netlink_rcv_skb+0x130/0x360 [ 991.488508][ T10] netlink_unicast+0x449/0x710 [ 991.488508][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.488508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.488508][ T10] ___sys_sendmsg+0xee/0x170 [ 991.488508][ T10] __sys_sendmsg+0xcd/0x170 [ 991.488508][ T10] do_syscall_64+0xc6/0x1e0 [ 991.488508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.488508][ T10] [ 991.490053][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 991.490053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.490053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.490053][ T10] ipv6_find_idev+0x102/0x170 [ 991.490053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.490053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.490053][ T10] netlink_rcv_skb+0x130/0x360 [ 991.490053][ T10] netlink_unicast+0x449/0x710 [ 991.490053][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.490053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.490053][ T10] ___sys_sendmsg+0xee/0x170 [ 991.490053][ T10] __sys_sendmsg+0xcd/0x170 [ 991.490053][ T10] do_syscall_64+0xc6/0x1e0 [ 991.490053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.490053][ T10] [ 991.491721][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 991.491998][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 991.491998][ T10] netdev_get_by_index+0x5e/0x80 [ 991.491998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.491998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.491998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.491998][ T10] ipv6_add_addr+0x411/0x2000 [ 991.491998][ T10] inet6_addr_add+0x30e/0xa40 [ 991.491998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.491998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.491998][ T10] netlink_rcv_skb+0x130/0x360 [ 991.491998][ T10] netlink_unicast+0x449/0x710 [ 991.491998][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.491998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.491998][ T10] ___sys_sendmsg+0xee/0x170 [ 991.491998][ T10] __sys_sendmsg+0xcd/0x170 [ 991.491998][ T10] do_syscall_64+0xc6/0x1e0 [ 991.491998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.491998][ T10] [ 991.493976][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 991.493976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.493976][ T10] ipv6_find_idev+0x102/0x170 [ 991.493976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.493976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.493976][ T10] netlink_rcv_skb+0x130/0x360 [ 991.493976][ T10] netlink_unicast+0x449/0x710 [ 991.493976][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.493976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.493976][ T10] ___sys_sendmsg+0xee/0x170 [ 991.493976][ T10] __sys_sendmsg+0xcd/0x170 [ 991.493976][ T10] do_syscall_64+0xc6/0x1e0 [ 991.493976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.493976][ T10] [ 991.495516][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 991.495516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.495516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.495516][ T10] ipv6_find_idev+0x102/0x170 [ 991.495516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.495516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.495516][ T10] netlink_rcv_skb+0x130/0x360 [ 991.495516][ T10] netlink_unicast+0x449/0x710 [ 991.495516][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.495516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.495516][ T10] ___sys_sendmsg+0xee/0x170 [ 991.495516][ T10] __sys_sendmsg+0xcd/0x170 [ 991.495516][ T10] do_syscall_64+0xc6/0x1e0 [ 991.495516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.495516][ T10] [ 991.497207][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 991.497480][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 991.497480][ T10] netdev_get_by_index+0x5e/0x80 [ 991.497480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.497480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.497480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.497480][ T10] ipv6_add_addr+0x411/0x2000 [ 991.497480][ T10] inet6_addr_add+0x30e/0xa40 [ 991.497480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.497480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.497480][ T10] netlink_rcv_skb+0x130/0x360 [ 991.497480][ T10] netlink_unicast+0x449/0x710 [ 991.497480][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.497480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.497480][ T10] ___sys_sendmsg+0xee/0x170 [ 991.497480][ T10] __sys_sendmsg+0xcd/0x170 [ 991.497480][ T10] do_syscall_64+0xc6/0x1e0 [ 991.497480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.497480][ T10] [ 991.499455][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 991.499455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.499455][ T10] ipv6_find_idev+0x102/0x170 [ 991.499455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.499455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.499455][ T10] netlink_rcv_skb+0x130/0x360 [ 991.499455][ T10] netlink_unicast+0x449/0x710 [ 991.499455][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.499455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.499455][ T10] ___sys_sendmsg+0xee/0x170 [ 991.499455][ T10] __sys_sendmsg+0xcd/0x170 [ 991.499455][ T10] do_syscall_64+0xc6/0x1e0 [ 991.499455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.499455][ T10] [ 991.500988][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 991.500988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.500988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.500988][ T10] ipv6_find_idev+0x102/0x170 [ 991.500988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.500988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.500988][ T10] netlink_rcv_skb+0x130/0x360 [ 991.500988][ T10] netlink_unicast+0x449/0x710 [ 991.500988][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.500988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.500988][ T10] ___sys_sendmsg+0xee/0x170 [ 991.500988][ T10] __sys_sendmsg+0xcd/0x170 [ 991.500988][ T10] do_syscall_64+0xc6/0x1e0 [ 991.500988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.500988][ T10] [ 991.502662][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 991.503360][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 991.503360][ T10] netdev_get_by_index+0x5e/0x80 [ 991.503360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.503360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.503360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.503360][ T10] ipv6_add_addr+0x411/0x2000 [ 991.503360][ T10] inet6_addr_add+0x30e/0xa40 [ 991.503360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.503360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.503360][ T10] netlink_rcv_skb+0x130/0x360 [ 991.503360][ T10] netlink_unicast+0x449/0x710 [ 991.503360][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.503360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.503360][ T10] ___sys_sendmsg+0xee/0x170 [ 991.503360][ T10] __sys_sendmsg+0xcd/0x170 [ 991.503360][ T10] do_syscall_64+0xc6/0x1e0 [ 991.503360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.503360][ T10] [ 991.505329][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 991.505329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.505329][ T10] ipv6_find_idev+0x102/0x170 [ 991.505329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.505329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.505329][ T10] netlink_rcv_skb+0x130/0x360 [ 991.505329][ T10] netlink_unicast+0x449/0x710 [ 991.505329][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.505329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.505329][ T10] ___sys_sendmsg+0xee/0x170 [ 991.505329][ T10] __sys_sendmsg+0xcd/0x170 [ 991.505329][ T10] do_syscall_64+0xc6/0x1e0 [ 991.505329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.505329][ T10] [ 991.506848][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 991.506848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.506848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.506848][ T10] ipv6_find_idev+0x102/0x170 [ 991.506848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.506848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.506848][ T10] netlink_rcv_skb+0x130/0x360 [ 991.506848][ T10] netlink_unicast+0x449/0x710 [ 991.506848][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.506848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.506848][ T10] ___sys_sendmsg+0xee/0x170 [ 991.506848][ T10] __sys_sendmsg+0xcd/0x170 [ 991.506848][ T10] do_syscall_64+0xc6/0x1e0 [ 991.506848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.506848][ T10] [ 991.508557][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 991.508880][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 991.508880][ T10] netdev_get_by_index+0x5e/0x80 [ 991.508880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.508880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.508880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.508880][ T10] ipv6_add_addr+0x411/0x2000 [ 991.508880][ T10] inet6_addr_add+0x30e/0xa40 [ 991.508880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.508880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.508880][ T10] netlink_rcv_skb+0x130/0x360 [ 991.508880][ T10] netlink_unicast+0x449/0x710 [ 991.508880][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.508880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.508880][ T10] ___sys_sendmsg+0xee/0x170 [ 991.508880][ T10] __sys_sendmsg+0xcd/0x170 [ 991.508880][ T10] do_syscall_64+0xc6/0x1e0 [ 991.508880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.508880][ T10] [ 991.510858][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 991.510858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.510858][ T10] ipv6_find_idev+0x102/0x170 [ 991.510858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.510858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.510858][ T10] netlink_rcv_skb+0x130/0x360 [ 991.510858][ T10] netlink_unicast+0x449/0x710 [ 991.510858][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.510858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.510858][ T10] ___sys_sendmsg+0xee/0x170 [ 991.510858][ T10] __sys_sendmsg+0xcd/0x170 [ 991.510858][ T10] do_syscall_64+0xc6/0x1e0 [ 991.510858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.510858][ T10] [ 991.512397][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 991.512397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.512397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.512397][ T10] ipv6_find_idev+0x102/0x170 [ 991.512397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.512397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.512397][ T10] netlink_rcv_skb+0x130/0x360 [ 991.512397][ T10] netlink_unicast+0x449/0x710 [ 991.512397][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.512397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.512397][ T10] ___sys_sendmsg+0xee/0x170 [ 991.512397][ T10] __sys_sendmsg+0xcd/0x170 [ 991.512397][ T10] do_syscall_64+0xc6/0x1e0 [ 991.512397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.512397][ T10] [ 991.514118][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 991.514380][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 991.514380][ T10] netdev_get_by_index+0x5e/0x80 [ 991.514380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.514380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.514380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.514380][ T10] ipv6_add_addr+0x411/0x2000 [ 991.514380][ T10] inet6_addr_add+0x30e/0xa40 [ 991.514380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.514380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.514380][ T10] netlink_rcv_skb+0x130/0x360 [ 991.514380][ T10] netlink_unicast+0x449/0x710 [ 991.514380][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.514380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.514380][ T10] ___sys_sendmsg+0xee/0x170 [ 991.514380][ T10] __sys_sendmsg+0xcd/0x170 [ 991.514380][ T10] do_syscall_64+0xc6/0x1e0 [ 991.514380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.514380][ T10] [ 991.516471][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 991.516471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.516471][ T10] ipv6_find_idev+0x102/0x170 [ 991.516471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.516471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.516471][ T10] netlink_rcv_skb+0x130/0x360 [ 991.516471][ T10] netlink_unicast+0x449/0x710 [ 991.516471][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.516471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.516471][ T10] ___sys_sendmsg+0xee/0x170 [ 991.516471][ T10] __sys_sendmsg+0xcd/0x170 [ 991.516471][ T10] do_syscall_64+0xc6/0x1e0 [ 991.516471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.516471][ T10] [ 991.518177][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 991.518177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.518177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.518177][ T10] ipv6_find_idev+0x102/0x170 [ 991.518177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.518177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.518177][ T10] netlink_rcv_skb+0x130/0x360 [ 991.518177][ T10] netlink_unicast+0x449/0x710 [ 991.518177][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.518177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.518177][ T10] ___sys_sendmsg+0xee/0x170 [ 991.518177][ T10] __sys_sendmsg+0xcd/0x170 [ 991.518177][ T10] do_syscall_64+0xc6/0x1e0 [ 991.518177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.518177][ T10] [ 991.520173][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 991.520430][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 991.520430][ T10] netdev_get_by_index+0x5e/0x80 [ 991.520430][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.520430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.520430][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.520430][ T10] ipv6_add_addr+0x411/0x2000 [ 991.520430][ T10] inet6_addr_add+0x30e/0xa40 [ 991.520430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.520430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.520430][ T10] netlink_rcv_skb+0x130/0x360 [ 991.520430][ T10] netlink_unicast+0x449/0x710 [ 991.520430][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.520430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.520430][ T10] ___sys_sendmsg+0xee/0x170 [ 991.520430][ T10] __sys_sendmsg+0xcd/0x170 [ 991.520430][ T10] do_syscall_64+0xc6/0x1e0 [ 991.520430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.520430][ T10] [ 991.522584][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 991.522584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.522584][ T10] ipv6_find_idev+0x102/0x170 [ 991.522584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.522584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.522584][ T10] netlink_rcv_skb+0x130/0x360 [ 991.522584][ T10] netlink_unicast+0x449/0x710 [ 991.522584][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.522584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.522584][ T10] ___sys_sendmsg+0xee/0x170 [ 991.522584][ T10] __sys_sendmsg+0xcd/0x170 [ 991.522584][ T10] do_syscall_64+0xc6/0x1e0 [ 991.522584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.522584][ T10] [ 991.524296][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 991.524296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.524296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.524296][ T10] ipv6_find_idev+0x102/0x170 [ 991.524296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.524296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.524296][ T10] netlink_rcv_skb+0x130/0x360 [ 991.524296][ T10] netlink_unicast+0x449/0x710 [ 991.524296][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.524296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.524296][ T10] ___sys_sendmsg+0xee/0x170 [ 991.524296][ T10] __sys_sendmsg+0xcd/0x170 [ 991.524296][ T10] do_syscall_64+0xc6/0x1e0 [ 991.524296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.524296][ T10] [ 991.526241][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 991.526501][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 991.526501][ T10] netdev_get_by_index+0x5e/0x80 [ 991.526501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 991.526501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 991.526501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 991.526501][ T10] ipv6_add_addr+0x411/0x2000 [ 991.526501][ T10] inet6_addr_add+0x30e/0xa40 [ 991.526501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 991.526501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.526501][ T10] netlink_rcv_skb+0x130/0x360 [ 991.526501][ T10] netlink_unicast+0x449/0x710 [ 991.526501][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.526501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.526501][ T10] ___sys_sendmsg+0xee/0x170 [ 991.526501][ T10] __sys_sendmsg+0xcd/0x170 [ 991.526501][ T10] do_syscall_64+0xc6/0x1e0 [ 991.526501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.526501][ T10] [ 991.529009][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 991.529009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 991.529009][ T10] ipv6_find_idev+0x102/0x170 [ 991.529009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.529009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.529009][ T10] netlink_rcv_skb+0x130/0x360 [ 991.529009][ T10] netlink_unicast+0x449/0x710 [ 991.529009][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.529009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.529009][ T10] ___sys_sendmsg+0xee/0x170 [ 991.529009][ T10] __sys_sendmsg+0xcd/0x170 [ 991.529009][ T10] do_syscall_64+0xc6/0x1e0 [ 991.529009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.529009][ T10] [ 991.530728][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 991.530728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 991.530728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 991.530728][ T10] ipv6_find_idev+0x102/0x170 [ 991.530728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.530728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.530728][ T10] netlink_rcv_skb+0x130/0x360 [ 991.530728][ T10] netlink_unicast+0x449/0x710 [ 991.530728][ T10] netlink_sendmsg+0x723/0xbe0 [ 991.530728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 991.530728][ T10] ___sys_sendmsg+0xee/0x170 [ 991.530728][ T10] __sys_sendmsg+0xcd/0x170 [ 991.530728][ T10] do_syscall_64+0xc6/0x1e0 [ 991.530728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.530728][ T10] [ 1001.653927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1001.654426][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1001.654426][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.654426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.654426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.654426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.654426][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.654426][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.654426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.654426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.654426][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.654426][ T10] netlink_unicast+0x449/0x710 [ 1001.654426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.654426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.654426][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.654426][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.654426][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.654426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.654426][ T10] [ 1001.656679][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1001.656679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.656679][ T10] ipv6_find_idev+0x102/0x170 [ 1001.656679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.656679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.656679][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.656679][ T10] netlink_unicast+0x449/0x710 [ 1001.656679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.656679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.656679][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.656679][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.656679][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.656679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.656679][ T10] [ 1001.658365][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1001.658365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.658365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.658365][ T10] ipv6_find_idev+0x102/0x170 [ 1001.658365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.658365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.658365][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.658365][ T10] netlink_unicast+0x449/0x710 [ 1001.658365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.658365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.658365][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.658365][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.658365][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.658365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.658365][ T10] [ 1001.660123][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1001.660429][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1001.660429][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.660429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.660429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.660429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.660429][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.660429][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.660429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.660429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.660429][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.660429][ T10] netlink_unicast+0x449/0x710 [ 1001.660429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.660429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.660429][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.660429][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.660429][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.660429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.660429][ T10] [ 1001.662648][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1001.662648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.662648][ T10] ipv6_find_idev+0x102/0x170 [ 1001.662648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.662648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.662648][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.662648][ T10] netlink_unicast+0x449/0x710 [ 1001.662648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.662648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.662648][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.662648][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.662648][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.662648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.662648][ T10] [ 1001.664357][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1001.664357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.664357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.664357][ T10] ipv6_find_idev+0x102/0x170 [ 1001.664357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.664357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.664357][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.664357][ T10] netlink_unicast+0x449/0x710 [ 1001.664357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.664357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.664357][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.664357][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.664357][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.664357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.664357][ T10] [ 1001.666131][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1001.666397][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1001.666397][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.666397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.666397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.666397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.666397][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.666397][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.666397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.666397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.666397][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.666397][ T10] netlink_unicast+0x449/0x710 [ 1001.666397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.666397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.666397][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.666397][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.666397][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.666397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.666397][ T10] [ 1001.668547][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1001.668547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.668547][ T10] ipv6_find_idev+0x102/0x170 [ 1001.668547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.668547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.668547][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.668547][ T10] netlink_unicast+0x449/0x710 [ 1001.668547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.668547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.668547][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.668547][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.668547][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.668547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.668547][ T10] [ 1001.670257][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1001.670257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.670257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.670257][ T10] ipv6_find_idev+0x102/0x170 [ 1001.670257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.670257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.670257][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.670257][ T10] netlink_unicast+0x449/0x710 [ 1001.670257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.670257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.670257][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.670257][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.670257][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.670257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.670257][ T10] [ 1001.672147][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1001.672417][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1001.672417][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.672417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.672417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.672417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.672417][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.672417][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.672417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.672417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.672417][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.672417][ T10] netlink_unicast+0x449/0x710 [ 1001.672417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.672417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.672417][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.672417][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.672417][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.672417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.672417][ T10] [ 1001.674466][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1001.674466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.674466][ T10] ipv6_find_idev+0x102/0x170 [ 1001.674466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.674466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.674466][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.674466][ T10] netlink_unicast+0x449/0x710 [ 1001.674466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.674466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.674466][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.674466][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.674466][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.674466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.674466][ T10] [ 1001.676174][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1001.676174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.676174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.676174][ T10] ipv6_find_idev+0x102/0x170 [ 1001.676174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.676174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.676174][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.676174][ T10] netlink_unicast+0x449/0x710 [ 1001.676174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.676174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.676174][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.676174][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.676174][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.676174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.676174][ T10] [ 1001.678464][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1001.679109][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1001.679109][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.679109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.679109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.679109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.679109][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.679109][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.679109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.679109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.679109][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.679109][ T10] netlink_unicast+0x449/0x710 [ 1001.679109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.679109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.679109][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.679109][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.679109][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.679109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.679109][ T10] [ 1001.681141][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1001.681141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.681141][ T10] ipv6_find_idev+0x102/0x170 [ 1001.681141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.681141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.681141][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.681141][ T10] netlink_unicast+0x449/0x710 [ 1001.681141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.681141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.681141][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.681141][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.681141][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.681141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.681141][ T10] [ 1001.682829][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1001.682829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.682829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.682829][ T10] ipv6_find_idev+0x102/0x170 [ 1001.682829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.682829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.682829][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.682829][ T10] netlink_unicast+0x449/0x710 [ 1001.682829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.682829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.682829][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.682829][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.682829][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.682829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.682829][ T10] [ 1001.684680][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1001.685025][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1001.685025][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.685025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.685025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.685025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.685025][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.685025][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.685025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.685025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.685025][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.685025][ T10] netlink_unicast+0x449/0x710 [ 1001.685025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.685025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.685025][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.685025][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.685025][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.685025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.685025][ T10] [ 1001.687220][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1001.687220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.687220][ T10] ipv6_find_idev+0x102/0x170 [ 1001.687220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.687220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.687220][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.687220][ T10] netlink_unicast+0x449/0x710 [ 1001.687220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.687220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.687220][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.687220][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.687220][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.687220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.687220][ T10] [ 1001.688952][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1001.688952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.688952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.688952][ T10] ipv6_find_idev+0x102/0x170 [ 1001.688952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.688952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.688952][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.688952][ T10] netlink_unicast+0x449/0x710 [ 1001.688952][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.688952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.688952][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.688952][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.688952][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.688952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.688952][ T10] [ 1001.691050][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1001.691381][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1001.691381][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.691381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.691381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.691381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.691381][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.691381][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.691381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.691381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.691381][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.691381][ T10] netlink_unicast+0x449/0x710 [ 1001.691381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.691381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.691381][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.691381][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.691381][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.691381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.691381][ T10] [ 1001.693599][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1001.693599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.693599][ T10] ipv6_find_idev+0x102/0x170 [ 1001.693599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.693599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.693599][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.693599][ T10] netlink_unicast+0x449/0x710 [ 1001.693599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.693599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.693599][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.693599][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.693599][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.693599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.693599][ T10] [ 1001.695524][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1001.695524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.695524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.695524][ T10] ipv6_find_idev+0x102/0x170 [ 1001.695524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.695524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.695524][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.695524][ T10] netlink_unicast+0x449/0x710 [ 1001.695524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.695524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.695524][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.695524][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.695524][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.695524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.695524][ T10] [ 1001.697679][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1001.698020][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1001.698020][ T10] netdev_get_by_index+0x5e/0x80 [ 1001.698020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1001.698020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1001.698020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1001.698020][ T10] ipv6_add_addr+0x411/0x2000 [ 1001.698020][ T10] inet6_addr_add+0x30e/0xa40 [ 1001.698020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.698020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.698020][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.698020][ T10] netlink_unicast+0x449/0x710 [ 1001.698020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.698020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.698020][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.698020][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.698020][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.698020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.698020][ T10] [ 1001.700286][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1001.700286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1001.700286][ T10] ipv6_find_idev+0x102/0x170 [ 1001.700286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.700286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.700286][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.700286][ T10] netlink_unicast+0x449/0x710 [ 1001.700286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.700286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.700286][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.700286][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.700286][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.700286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.700286][ T10] [ 1001.702131][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1001.702131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1001.702131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1001.702131][ T10] ipv6_find_idev+0x102/0x170 [ 1001.702131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.702131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.702131][ T10] netlink_rcv_skb+0x130/0x360 [ 1001.702131][ T10] netlink_unicast+0x449/0x710 [ 1001.702131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1001.702131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1001.702131][ T10] ___sys_sendmsg+0xee/0x170 [ 1001.702131][ T10] __sys_sendmsg+0xcd/0x170 [ 1001.702131][ T10] do_syscall_64+0xc6/0x1e0 [ 1001.702131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.702131][ T10] [ 1011.941904][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1011.942389][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1011.942389][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.942389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.942389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.942389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.942389][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.942389][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.942389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.942389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.942389][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.942389][ T10] netlink_unicast+0x449/0x710 [ 1011.942389][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.942389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.942389][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.942389][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.942389][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.942389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.942389][ T10] [ 1011.944619][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1011.944619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.944619][ T10] ipv6_find_idev+0x102/0x170 [ 1011.944619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.944619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.944619][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.944619][ T10] netlink_unicast+0x449/0x710 [ 1011.944619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.944619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.944619][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.944619][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.944619][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.944619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.944619][ T10] [ 1011.946313][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1011.946313][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.946313][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.946313][ T10] ipv6_find_idev+0x102/0x170 [ 1011.946313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.946313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.946313][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.946313][ T10] netlink_unicast+0x449/0x710 [ 1011.946313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.946313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.946313][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.946313][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.946313][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.946313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.946313][ T10] [ 1011.948199][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1011.948500][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1011.948500][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.948500][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.948500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.948500][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.948500][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.948500][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.948500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.948500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.948500][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.948500][ T10] netlink_unicast+0x449/0x710 [ 1011.948500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.948500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.948500][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.948500][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.948500][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.948500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.948500][ T10] [ 1011.950703][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1011.950703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.950703][ T10] ipv6_find_idev+0x102/0x170 [ 1011.950703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.950703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.950703][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.950703][ T10] netlink_unicast+0x449/0x710 [ 1011.950703][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.950703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.950703][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.950703][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.950703][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.950703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.950703][ T10] [ 1011.952412][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1011.952412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.952412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.952412][ T10] ipv6_find_idev+0x102/0x170 [ 1011.952412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.952412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.952412][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.952412][ T10] netlink_unicast+0x449/0x710 [ 1011.952412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.952412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.952412][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.952412][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.952412][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.952412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.952412][ T10] [ 1011.954281][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1011.954577][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1011.954577][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.954577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.954577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.954577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.954577][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.954577][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.954577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.954577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.954577][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.954577][ T10] netlink_unicast+0x449/0x710 [ 1011.954577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.954577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.954577][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.954577][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.954577][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.954577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.954577][ T10] [ 1011.956777][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1011.956777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.956777][ T10] ipv6_find_idev+0x102/0x170 [ 1011.956777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.956777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.956777][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.956777][ T10] netlink_unicast+0x449/0x710 [ 1011.956777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.956777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.956777][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.956777][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.956777][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.956777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.956777][ T10] [ 1011.958511][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1011.958511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.958511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.958511][ T10] ipv6_find_idev+0x102/0x170 [ 1011.958511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.958511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.958511][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.958511][ T10] netlink_unicast+0x449/0x710 [ 1011.958511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.958511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.958511][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.958511][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.958511][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.958511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.958511][ T10] [ 1011.960387][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1011.960680][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1011.960680][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.960680][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.960680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.960680][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.960680][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.960680][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.960680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.960680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.960680][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.960680][ T10] netlink_unicast+0x449/0x710 [ 1011.960680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.960680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.960680][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.960680][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.960680][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.960680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.960680][ T10] [ 1011.962904][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1011.962904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.962904][ T10] ipv6_find_idev+0x102/0x170 [ 1011.962904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.962904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.962904][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.962904][ T10] netlink_unicast+0x449/0x710 [ 1011.962904][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.962904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.962904][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.962904][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.962904][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.962904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.962904][ T10] [ 1011.964620][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1011.964620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.964620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.964620][ T10] ipv6_find_idev+0x102/0x170 [ 1011.964620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.964620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.964620][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.964620][ T10] netlink_unicast+0x449/0x710 [ 1011.964620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.964620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.964620][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.964620][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.964620][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.964620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.964620][ T10] [ 1011.966920][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1011.967544][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1011.967544][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.967544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.967544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.967544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.967544][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.967544][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.967544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.967544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.967544][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.967544][ T10] netlink_unicast+0x449/0x710 [ 1011.967544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.967544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.967544][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.967544][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.967544][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.967544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.967544][ T10] [ 1011.969772][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1011.969772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.969772][ T10] ipv6_find_idev+0x102/0x170 [ 1011.969772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.969772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.969772][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.969772][ T10] netlink_unicast+0x449/0x710 [ 1011.969772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.969772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.969772][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.969772][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.969772][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.969772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.969772][ T10] [ 1011.971474][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1011.971474][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.971474][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.971474][ T10] ipv6_find_idev+0x102/0x170 [ 1011.971474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.971474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.971474][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.971474][ T10] netlink_unicast+0x449/0x710 [ 1011.971474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.971474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.971474][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.971474][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.971474][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.971474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.971474][ T10] [ 1011.973357][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1011.973651][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1011.973651][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.973651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.973651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.973651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.973651][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.973651][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.973651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.973651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.973651][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.973651][ T10] netlink_unicast+0x449/0x710 [ 1011.973651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.973651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.973651][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.973651][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.973651][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.973651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.973651][ T10] [ 1011.975871][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1011.975871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.975871][ T10] ipv6_find_idev+0x102/0x170 [ 1011.975871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.975871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.975871][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.975871][ T10] netlink_unicast+0x449/0x710 [ 1011.975871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.975871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.975871][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.975871][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.975871][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.975871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.975871][ T10] [ 1011.977651][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1011.977651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.977651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.977651][ T10] ipv6_find_idev+0x102/0x170 [ 1011.977651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.977651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.977651][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.977651][ T10] netlink_unicast+0x449/0x710 [ 1011.977651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.977651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.977651][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.977651][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.977651][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.977651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.977651][ T10] [ 1011.979764][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1011.980156][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1011.980156][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.980156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.980156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.980156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.980156][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.980156][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.980156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.980156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.980156][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.980156][ T10] netlink_unicast+0x449/0x710 [ 1011.980156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.980156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.980156][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.980156][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.980156][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.980156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.980156][ T10] [ 1011.982511][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1011.982511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.982511][ T10] ipv6_find_idev+0x102/0x170 [ 1011.982511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.982511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.982511][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.982511][ T10] netlink_unicast+0x449/0x710 [ 1011.982511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.982511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.982511][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.982511][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.982511][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.982511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.982511][ T10] [ 1011.984401][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1011.984401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.984401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.984401][ T10] ipv6_find_idev+0x102/0x170 [ 1011.984401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.984401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.984401][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.984401][ T10] netlink_unicast+0x449/0x710 [ 1011.984401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.984401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.984401][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.984401][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.984401][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.984401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.984401][ T10] [ 1011.986624][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1011.986975][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1011.986975][ T10] netdev_get_by_index+0x5e/0x80 [ 1011.986975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1011.986975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1011.986975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1011.986975][ T10] ipv6_add_addr+0x411/0x2000 [ 1011.986975][ T10] inet6_addr_add+0x30e/0xa40 [ 1011.986975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.986975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.986975][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.986975][ T10] netlink_unicast+0x449/0x710 [ 1011.986975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.986975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.986975][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.986975][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.986975][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.986975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.986975][ T10] [ 1011.989388][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1011.989388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1011.989388][ T10] ipv6_find_idev+0x102/0x170 [ 1011.989388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.989388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.989388][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.989388][ T10] netlink_unicast+0x449/0x710 [ 1011.989388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.989388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.989388][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.989388][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.989388][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.989388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.989388][ T10] [ 1011.991278][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1011.991278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1011.991278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1011.991278][ T10] ipv6_find_idev+0x102/0x170 [ 1011.991278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.991278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.991278][ T10] netlink_rcv_skb+0x130/0x360 [ 1011.991278][ T10] netlink_unicast+0x449/0x710 [ 1011.991278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1011.991278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1011.991278][ T10] ___sys_sendmsg+0xee/0x170 [ 1011.991278][ T10] __sys_sendmsg+0xcd/0x170 [ 1011.991278][ T10] do_syscall_64+0xc6/0x1e0 [ 1011.991278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.991278][ T10] [ 1022.229912][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1022.230356][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1022.230356][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.230356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.230356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.230356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.230356][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.230356][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.230356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.230356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.230356][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.230356][ T10] netlink_unicast+0x449/0x710 [ 1022.230356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.230356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.230356][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.230356][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.230356][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.230356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.230356][ T10] [ 1022.232402][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1022.232402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.232402][ T10] ipv6_find_idev+0x102/0x170 [ 1022.232402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.232402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.232402][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.232402][ T10] netlink_unicast+0x449/0x710 [ 1022.232402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.232402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.232402][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.232402][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.232402][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.232402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.232402][ T10] [ 1022.233966][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1022.233966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.233966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.233966][ T10] ipv6_find_idev+0x102/0x170 [ 1022.233966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.233966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.233966][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.233966][ T10] netlink_unicast+0x449/0x710 [ 1022.233966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.233966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.233966][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.233966][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.233966][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.233966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.233966][ T10] [ 1022.235678][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1022.235975][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1022.235975][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.235975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.235975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.235975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.235975][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.235975][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.235975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.235975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.235975][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.235975][ T10] netlink_unicast+0x449/0x710 [ 1022.235975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.235975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.235975][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.235975][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.235975][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.235975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.235975][ T10] [ 1022.237996][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1022.237996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.237996][ T10] ipv6_find_idev+0x102/0x170 [ 1022.237996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.237996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.237996][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.237996][ T10] netlink_unicast+0x449/0x710 [ 1022.237996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.237996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.237996][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.237996][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.237996][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.237996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.237996][ T10] [ 1022.239545][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1022.239545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.239545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.239545][ T10] ipv6_find_idev+0x102/0x170 [ 1022.239545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.239545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.239545][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.239545][ T10] netlink_unicast+0x449/0x710 [ 1022.239545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.239545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.239545][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.239545][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.239545][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.239545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.239545][ T10] [ 1022.241283][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1022.241554][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1022.241554][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.241554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.241554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.241554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.241554][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.241554][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.241554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.241554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.241554][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.241554][ T10] netlink_unicast+0x449/0x710 [ 1022.241554][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.241554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.241554][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.241554][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.241554][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.241554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.241554][ T10] [ 1022.243565][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1022.243565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.243565][ T10] ipv6_find_idev+0x102/0x170 [ 1022.243565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.243565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.243565][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.243565][ T10] netlink_unicast+0x449/0x710 [ 1022.243565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.243565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.243565][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.243565][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.243565][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.243565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.243565][ T10] [ 1022.245114][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1022.245114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.245114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.245114][ T10] ipv6_find_idev+0x102/0x170 [ 1022.245114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.245114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.245114][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.245114][ T10] netlink_unicast+0x449/0x710 [ 1022.245114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.245114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.245114][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.245114][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.245114][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.245114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.245114][ T10] [ 1022.246838][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1022.247111][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1022.247111][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.247111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.247111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.247111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.247111][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.247111][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.247111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.247111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.247111][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.247111][ T10] netlink_unicast+0x449/0x710 [ 1022.247111][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.247111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.247111][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.247111][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.247111][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.247111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.247111][ T10] [ 1022.249122][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1022.249122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.249122][ T10] ipv6_find_idev+0x102/0x170 [ 1022.249122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.249122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.249122][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.249122][ T10] netlink_unicast+0x449/0x710 [ 1022.249122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.249122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.249122][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.249122][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.249122][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.249122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.249122][ T10] [ 1022.250670][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1022.250670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.250670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.250670][ T10] ipv6_find_idev+0x102/0x170 [ 1022.250670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.250670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.250670][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.250670][ T10] netlink_unicast+0x449/0x710 [ 1022.250670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.250670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.250670][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.250670][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.250670][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.250670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.250670][ T10] [ 1022.252797][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1022.253402][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1022.253402][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.253402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.253402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.253402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.253402][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.253402][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.253402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.253402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.253402][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.253402][ T10] netlink_unicast+0x449/0x710 [ 1022.253402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.253402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.253402][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.253402][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.253402][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.253402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.253402][ T10] [ 1022.255413][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1022.255413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.255413][ T10] ipv6_find_idev+0x102/0x170 [ 1022.255413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.255413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.255413][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.255413][ T10] netlink_unicast+0x449/0x710 [ 1022.255413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.255413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.255413][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.255413][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.255413][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.255413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.255413][ T10] [ 1022.257500][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1022.257500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.257500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.257500][ T10] ipv6_find_idev+0x102/0x170 [ 1022.257500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.257500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.257500][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.257500][ T10] netlink_unicast+0x449/0x710 [ 1022.257500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.257500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.257500][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.257500][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.257500][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.257500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.257500][ T10] [ 1022.259188][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1022.259457][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1022.259457][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.259457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.259457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.259457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.259457][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.259457][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.259457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.259457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.259457][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.259457][ T10] netlink_unicast+0x449/0x710 [ 1022.259457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.259457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.259457][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.259457][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.259457][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.259457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.259457][ T10] [ 1022.261458][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1022.261458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.261458][ T10] ipv6_find_idev+0x102/0x170 [ 1022.261458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.261458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.261458][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.261458][ T10] netlink_unicast+0x449/0x710 [ 1022.261458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.261458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.261458][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.261458][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.261458][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.261458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.261458][ T10] [ 1022.263088][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1022.263088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.263088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.263088][ T10] ipv6_find_idev+0x102/0x170 [ 1022.263088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.263088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.263088][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.263088][ T10] netlink_unicast+0x449/0x710 [ 1022.263088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.263088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.263088][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.263088][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.263088][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.263088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.263088][ T10] [ 1022.265007][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1022.265321][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1022.265321][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.265321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.265321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.265321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.265321][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.265321][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.265321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.265321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.265321][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.265321][ T10] netlink_unicast+0x449/0x710 [ 1022.265321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.265321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.265321][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.265321][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.265321][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.265321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.265321][ T10] [ 1022.267510][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1022.267510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.267510][ T10] ipv6_find_idev+0x102/0x170 [ 1022.267510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.267510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.267510][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.267510][ T10] netlink_unicast+0x449/0x710 [ 1022.267510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.267510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.267510][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.267510][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.267510][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.267510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.267510][ T10] [ 1022.269234][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1022.269234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.269234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.269234][ T10] ipv6_find_idev+0x102/0x170 [ 1022.269234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.269234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.269234][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.269234][ T10] netlink_unicast+0x449/0x710 [ 1022.269234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.269234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.269234][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.269234][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.269234][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.269234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.269234][ T10] [ 1022.271184][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1022.271497][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1022.271497][ T10] netdev_get_by_index+0x5e/0x80 [ 1022.271497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1022.271497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1022.271497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1022.271497][ T10] ipv6_add_addr+0x411/0x2000 [ 1022.271497][ T10] inet6_addr_add+0x30e/0xa40 [ 1022.271497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.271497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.271497][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.271497][ T10] netlink_unicast+0x449/0x710 [ 1022.271497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.271497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.271497][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.271497][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.271497][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.271497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.271497][ T10] [ 1022.273678][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1022.273678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1022.273678][ T10] ipv6_find_idev+0x102/0x170 [ 1022.273678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.273678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.273678][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.273678][ T10] netlink_unicast+0x449/0x710 [ 1022.273678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.273678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.273678][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.273678][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.273678][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.273678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.273678][ T10] [ 1022.275467][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1022.275467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1022.275467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1022.275467][ T10] ipv6_find_idev+0x102/0x170 [ 1022.275467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.275467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.275467][ T10] netlink_rcv_skb+0x130/0x360 [ 1022.275467][ T10] netlink_unicast+0x449/0x710 [ 1022.275467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1022.275467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1022.275467][ T10] ___sys_sendmsg+0xee/0x170 [ 1022.275467][ T10] __sys_sendmsg+0xcd/0x170 [ 1022.275467][ T10] do_syscall_64+0xc6/0x1e0 [ 1022.275467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.275467][ T10] [ 1032.517899][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1032.518348][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1032.518348][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.518348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.518348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.518348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.518348][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.518348][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.518348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.518348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.518348][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.518348][ T10] netlink_unicast+0x449/0x710 [ 1032.518348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.518348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.518348][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.518348][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.518348][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.518348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.518348][ T10] [ 1032.520366][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1032.520366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.520366][ T10] ipv6_find_idev+0x102/0x170 [ 1032.520366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.520366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.520366][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.520366][ T10] netlink_unicast+0x449/0x710 [ 1032.520366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.520366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.520366][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.520366][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.520366][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.520366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.520366][ T10] [ 1032.521930][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1032.521930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.521930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.521930][ T10] ipv6_find_idev+0x102/0x170 [ 1032.521930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.521930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.521930][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.521930][ T10] netlink_unicast+0x449/0x710 [ 1032.521930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.521930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.521930][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.521930][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.521930][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.521930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.521930][ T10] [ 1032.524042][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1032.524322][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1032.524322][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.524322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.524322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.524322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.524322][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.524322][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.524322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.524322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.524322][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.524322][ T10] netlink_unicast+0x449/0x710 [ 1032.524322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.524322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.524322][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.524322][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.524322][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.524322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.524322][ T10] [ 1032.526326][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1032.526326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.526326][ T10] ipv6_find_idev+0x102/0x170 [ 1032.526326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.526326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.526326][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.526326][ T10] netlink_unicast+0x449/0x710 [ 1032.526326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.526326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.526326][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.526326][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.526326][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.526326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.526326][ T10] [ 1032.527880][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1032.527880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.527880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.527880][ T10] ipv6_find_idev+0x102/0x170 [ 1032.527880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.527880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.527880][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.527880][ T10] netlink_unicast+0x449/0x710 [ 1032.527880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.527880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.527880][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.527880][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.527880][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.527880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.527880][ T10] [ 1032.529591][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1032.529867][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1032.529867][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.529867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.529867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.529867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.529867][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.529867][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.529867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.529867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.529867][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.529867][ T10] netlink_unicast+0x449/0x710 [ 1032.529867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.529867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.529867][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.529867][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.529867][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.529867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.529867][ T10] [ 1032.531873][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1032.531873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.531873][ T10] ipv6_find_idev+0x102/0x170 [ 1032.531873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.531873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.531873][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.531873][ T10] netlink_unicast+0x449/0x710 [ 1032.531873][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.531873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.531873][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.531873][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.531873][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.531873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.531873][ T10] [ 1032.533424][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1032.533424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.533424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.533424][ T10] ipv6_find_idev+0x102/0x170 [ 1032.533424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.533424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.533424][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.533424][ T10] netlink_unicast+0x449/0x710 [ 1032.533424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.533424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.533424][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.533424][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.533424][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.533424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.533424][ T10] [ 1032.535113][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1032.535378][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1032.535378][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.535378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.535378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.535378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.535378][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.535378][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.535378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.535378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.535378][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.535378][ T10] netlink_unicast+0x449/0x710 [ 1032.535378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.535378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.535378][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.535378][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.535378][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.535378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.535378][ T10] [ 1032.537390][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1032.537390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.537390][ T10] ipv6_find_idev+0x102/0x170 [ 1032.537390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.537390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.537390][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.537390][ T10] netlink_unicast+0x449/0x710 [ 1032.537390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.537390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.537390][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.537390][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.537390][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.537390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.537390][ T10] [ 1032.538932][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1032.538932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.538932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.538932][ T10] ipv6_find_idev+0x102/0x170 [ 1032.538932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.538932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.538932][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.538932][ T10] netlink_unicast+0x449/0x710 [ 1032.538932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.538932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.538932][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.538932][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.538932][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.538932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.538932][ T10] [ 1032.541041][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1032.541638][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1032.541638][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.541638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.541638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.541638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.541638][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.541638][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.541638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.541638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.541638][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.541638][ T10] netlink_unicast+0x449/0x710 [ 1032.541638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.541638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.541638][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.541638][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.541638][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.541638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.541638][ T10] [ 1032.543636][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1032.543636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.543636][ T10] ipv6_find_idev+0x102/0x170 [ 1032.543636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.543636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.543636][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.543636][ T10] netlink_unicast+0x449/0x710 [ 1032.543636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.543636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.543636][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.543636][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.543636][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.543636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.543636][ T10] [ 1032.545179][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1032.545179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.545179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.545179][ T10] ipv6_find_idev+0x102/0x170 [ 1032.545179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.545179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.545179][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.545179][ T10] netlink_unicast+0x449/0x710 [ 1032.545179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.545179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.545179][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.545179][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.545179][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.545179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.545179][ T10] [ 1032.546867][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1032.547133][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1032.547133][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.547133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.547133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.547133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.547133][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.547133][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.547133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.547133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.547133][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.547133][ T10] netlink_unicast+0x449/0x710 [ 1032.547133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.547133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.547133][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.547133][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.547133][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.547133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.547133][ T10] [ 1032.549149][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1032.549149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.549149][ T10] ipv6_find_idev+0x102/0x170 [ 1032.549149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.549149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.549149][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.549149][ T10] netlink_unicast+0x449/0x710 [ 1032.549149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.549149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.549149][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.549149][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.549149][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.549149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.549149][ T10] [ 1032.550770][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1032.550770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.550770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.550770][ T10] ipv6_find_idev+0x102/0x170 [ 1032.550770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.550770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.550770][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.550770][ T10] netlink_unicast+0x449/0x710 [ 1032.550770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.550770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.550770][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.550770][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.550770][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.550770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.550770][ T10] [ 1032.552570][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1032.552907][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1032.552907][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.552907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.552907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.552907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.552907][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.552907][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.552907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.552907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.552907][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.552907][ T10] netlink_unicast+0x449/0x710 [ 1032.552907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.552907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.552907][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.552907][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.552907][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.552907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.552907][ T10] [ 1032.555051][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1032.555051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.555051][ T10] ipv6_find_idev+0x102/0x170 [ 1032.555051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.555051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.555051][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.555051][ T10] netlink_unicast+0x449/0x710 [ 1032.555051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.555051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.555051][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.555051][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.555051][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.555051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.555051][ T10] [ 1032.556651][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1032.556651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.556651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.556651][ T10] ipv6_find_idev+0x102/0x170 [ 1032.556651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.556651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.556651][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.556651][ T10] netlink_unicast+0x449/0x710 [ 1032.556651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.556651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.556651][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.556651][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.556651][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.556651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.556651][ T10] [ 1032.558511][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1032.558836][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1032.558836][ T10] netdev_get_by_index+0x5e/0x80 [ 1032.558836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1032.558836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1032.558836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1032.558836][ T10] ipv6_add_addr+0x411/0x2000 [ 1032.558836][ T10] inet6_addr_add+0x30e/0xa40 [ 1032.558836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.558836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.558836][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.558836][ T10] netlink_unicast+0x449/0x710 [ 1032.558836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.558836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.558836][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.558836][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.558836][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.558836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.558836][ T10] [ 1032.560900][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1032.560900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1032.560900][ T10] ipv6_find_idev+0x102/0x170 [ 1032.560900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.560900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.560900][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.560900][ T10] netlink_unicast+0x449/0x710 [ 1032.560900][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.560900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.560900][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.560900][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.560900][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.560900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.560900][ T10] [ 1032.562570][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1032.562570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1032.562570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1032.562570][ T10] ipv6_find_idev+0x102/0x170 [ 1032.562570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.562570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.562570][ T10] netlink_rcv_skb+0x130/0x360 [ 1032.562570][ T10] netlink_unicast+0x449/0x710 [ 1032.562570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1032.562570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1032.562570][ T10] ___sys_sendmsg+0xee/0x170 [ 1032.562570][ T10] __sys_sendmsg+0xcd/0x170 [ 1032.562570][ T10] do_syscall_64+0xc6/0x1e0 [ 1032.562570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.562570][ T10] [ 1042.805949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1042.806395][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1042.806395][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.806395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.806395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.806395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.806395][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.806395][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.806395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.806395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.806395][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.806395][ T10] netlink_unicast+0x449/0x710 [ 1042.806395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.806395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.806395][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.806395][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.806395][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.806395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.806395][ T10] [ 1042.808433][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1042.808433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.808433][ T10] ipv6_find_idev+0x102/0x170 [ 1042.808433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.808433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.808433][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.808433][ T10] netlink_unicast+0x449/0x710 [ 1042.808433][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.808433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.808433][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.808433][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.808433][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.808433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.808433][ T10] [ 1042.809987][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1042.809987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.809987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.809987][ T10] ipv6_find_idev+0x102/0x170 [ 1042.809987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.809987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.809987][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.809987][ T10] netlink_unicast+0x449/0x710 [ 1042.809987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.809987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.809987][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.809987][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.809987][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.809987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.809987][ T10] [ 1042.811759][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1042.812071][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1042.812071][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.812071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.812071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.812071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.812071][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.812071][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.812071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.812071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.812071][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.812071][ T10] netlink_unicast+0x449/0x710 [ 1042.812071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.812071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.812071][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.812071][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.812071][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.812071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.812071][ T10] [ 1042.814279][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1042.814279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.814279][ T10] ipv6_find_idev+0x102/0x170 [ 1042.814279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.814279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.814279][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.814279][ T10] netlink_unicast+0x449/0x710 [ 1042.814279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.814279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.814279][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.814279][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.814279][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.814279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.814279][ T10] [ 1042.815986][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1042.815986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.815986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.815986][ T10] ipv6_find_idev+0x102/0x170 [ 1042.815986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.815986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.815986][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.815986][ T10] netlink_unicast+0x449/0x710 [ 1042.815986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.815986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.815986][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.815986][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.815986][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.815986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.815986][ T10] [ 1042.817899][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1042.818189][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1042.818189][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.818189][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.818189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.818189][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.818189][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.818189][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.818189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.818189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.818189][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.818189][ T10] netlink_unicast+0x449/0x710 [ 1042.818189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.818189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.818189][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.818189][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.818189][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.818189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.818189][ T10] [ 1042.820430][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1042.820430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.820430][ T10] ipv6_find_idev+0x102/0x170 [ 1042.820430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.820430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.820430][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.820430][ T10] netlink_unicast+0x449/0x710 [ 1042.820430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.820430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.820430][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.820430][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.820430][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.820430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.820430][ T10] [ 1042.822142][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1042.822142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.822142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.822142][ T10] ipv6_find_idev+0x102/0x170 [ 1042.822142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.822142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.822142][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.822142][ T10] netlink_unicast+0x449/0x710 [ 1042.822142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.822142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.822142][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.822142][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.822142][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.822142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.822142][ T10] [ 1042.824011][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1042.824299][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1042.824299][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.824299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.824299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.824299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.824299][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.824299][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.824299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.824299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.824299][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.824299][ T10] netlink_unicast+0x449/0x710 [ 1042.824299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.824299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.824299][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.824299][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.824299][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.824299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.824299][ T10] [ 1042.826495][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1042.826495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.826495][ T10] ipv6_find_idev+0x102/0x170 [ 1042.826495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.826495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.826495][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.826495][ T10] netlink_unicast+0x449/0x710 [ 1042.826495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.826495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.826495][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.826495][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.826495][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.826495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.826495][ T10] [ 1042.828200][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1042.828200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.828200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.828200][ T10] ipv6_find_idev+0x102/0x170 [ 1042.828200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.828200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.828200][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.828200][ T10] netlink_unicast+0x449/0x710 [ 1042.828200][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.828200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.828200][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.828200][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.828200][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.828200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.828200][ T10] [ 1042.830111][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1042.830411][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1042.830411][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.830411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.830411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.830411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.830411][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.830411][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.830411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.830411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.830411][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.830411][ T10] netlink_unicast+0x449/0x710 [ 1042.830411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.830411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.830411][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.830411][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.830411][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.830411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.830411][ T10] [ 1042.832621][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1042.832621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.832621][ T10] ipv6_find_idev+0x102/0x170 [ 1042.832621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.832621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.832621][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.832621][ T10] netlink_unicast+0x449/0x710 [ 1042.832621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.832621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.832621][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.832621][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.832621][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.832621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.832621][ T10] [ 1042.834384][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1042.834384][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.834384][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.834384][ T10] ipv6_find_idev+0x102/0x170 [ 1042.834384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.834384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.834384][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.834384][ T10] netlink_unicast+0x449/0x710 [ 1042.834384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.834384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.834384][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.834384][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.834384][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.834384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.834384][ T10] [ 1042.836515][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1042.836816][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1042.836816][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.836816][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.836816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.836816][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.836816][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.836816][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.836816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.836816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.836816][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.836816][ T10] netlink_unicast+0x449/0x710 [ 1042.836816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.836816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.836816][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.836816][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.836816][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.836816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.836816][ T10] [ 1042.839259][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1042.839259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.839259][ T10] ipv6_find_idev+0x102/0x170 [ 1042.839259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.839259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.839259][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.839259][ T10] netlink_unicast+0x449/0x710 [ 1042.839259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.839259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.839259][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.839259][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.839259][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.839259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.839259][ T10] [ 1042.841120][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1042.841120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.841120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.841120][ T10] ipv6_find_idev+0x102/0x170 [ 1042.841120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.841120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.841120][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.841120][ T10] netlink_unicast+0x449/0x710 [ 1042.841120][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.841120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.841120][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.841120][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.841120][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.841120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.841120][ T10] [ 1042.843200][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1042.843497][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1042.843497][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.843497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.843497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.843497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.843497][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.843497][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.843497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.843497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.843497][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.843497][ T10] netlink_unicast+0x449/0x710 [ 1042.843497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.843497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.843497][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.843497][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.843497][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.843497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.843497][ T10] [ 1042.845962][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1042.845962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.845962][ T10] ipv6_find_idev+0x102/0x170 [ 1042.845962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.845962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.845962][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.845962][ T10] netlink_unicast+0x449/0x710 [ 1042.845962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.845962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.845962][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.845962][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.845962][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.845962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.845962][ T10] [ 1042.847954][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1042.847954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.847954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.847954][ T10] ipv6_find_idev+0x102/0x170 [ 1042.847954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.847954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.847954][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.847954][ T10] netlink_unicast+0x449/0x710 [ 1042.847954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.847954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.847954][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.847954][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.847954][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.847954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.847954][ T10] [ 1042.850070][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1042.850372][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1042.850372][ T10] netdev_get_by_index+0x5e/0x80 [ 1042.850372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1042.850372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1042.850372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1042.850372][ T10] ipv6_add_addr+0x411/0x2000 [ 1042.850372][ T10] inet6_addr_add+0x30e/0xa40 [ 1042.850372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.850372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.850372][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.850372][ T10] netlink_unicast+0x449/0x710 [ 1042.850372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.850372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.850372][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.850372][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.850372][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.850372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.850372][ T10] [ 1042.852825][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1042.852825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1042.852825][ T10] ipv6_find_idev+0x102/0x170 [ 1042.852825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.852825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.852825][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.852825][ T10] netlink_unicast+0x449/0x710 [ 1042.852825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.852825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.852825][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.852825][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.852825][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.852825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.852825][ T10] [ 1042.854714][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1042.854714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1042.854714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1042.854714][ T10] ipv6_find_idev+0x102/0x170 [ 1042.854714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.854714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.854714][ T10] netlink_rcv_skb+0x130/0x360 [ 1042.854714][ T10] netlink_unicast+0x449/0x710 [ 1042.854714][ T10] netlink_sendmsg+0x723/0xbe0 [ 1042.854714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1042.854714][ T10] ___sys_sendmsg+0xee/0x170 [ 1042.854714][ T10] __sys_sendmsg+0xcd/0x170 [ 1042.854714][ T10] do_syscall_64+0xc6/0x1e0 [ 1042.854714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.854714][ T10] [ 1053.093834][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1053.094337][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1053.094337][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.094337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.094337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.094337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.094337][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.094337][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.094337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.094337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.094337][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.094337][ T10] netlink_unicast+0x449/0x710 [ 1053.094337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.094337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.094337][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.094337][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.094337][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.094337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.094337][ T10] [ 1053.096332][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1053.096332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.096332][ T10] ipv6_find_idev+0x102/0x170 [ 1053.096332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.096332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.096332][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.096332][ T10] netlink_unicast+0x449/0x710 [ 1053.096332][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.096332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.096332][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.096332][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.096332][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.096332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.096332][ T10] [ 1053.097881][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1053.097881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.097881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.097881][ T10] ipv6_find_idev+0x102/0x170 [ 1053.097881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.097881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.097881][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.097881][ T10] netlink_unicast+0x449/0x710 [ 1053.097881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.097881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.097881][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.097881][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.097881][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.097881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.097881][ T10] [ 1053.099552][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1053.099843][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1053.099843][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.099843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.099843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.099843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.099843][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.099843][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.099843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.099843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.099843][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.099843][ T10] netlink_unicast+0x449/0x710 [ 1053.099843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.099843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.099843][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.099843][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.099843][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.099843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.099843][ T10] [ 1053.101870][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1053.101870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.101870][ T10] ipv6_find_idev+0x102/0x170 [ 1053.101870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.101870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.101870][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.101870][ T10] netlink_unicast+0x449/0x710 [ 1053.101870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.101870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.101870][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.101870][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.101870][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.101870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.101870][ T10] [ 1053.103429][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1053.103429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.103429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.103429][ T10] ipv6_find_idev+0x102/0x170 [ 1053.103429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.103429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.103429][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.103429][ T10] netlink_unicast+0x449/0x710 [ 1053.103429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.103429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.103429][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.103429][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.103429][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.103429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.103429][ T10] [ 1053.105095][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1053.105369][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1053.105369][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.105369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.105369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.105369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.105369][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.105369][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.105369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.105369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.105369][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.105369][ T10] netlink_unicast+0x449/0x710 [ 1053.105369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.105369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.105369][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.105369][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.105369][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.105369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.105369][ T10] [ 1053.107347][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1053.107347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.107347][ T10] ipv6_find_idev+0x102/0x170 [ 1053.107347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.107347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.107347][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.107347][ T10] netlink_unicast+0x449/0x710 [ 1053.107347][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.107347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.107347][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.107347][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.107347][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.107347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.107347][ T10] [ 1053.108868][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1053.108868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.108868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.108868][ T10] ipv6_find_idev+0x102/0x170 [ 1053.108868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.108868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.108868][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.108868][ T10] netlink_unicast+0x449/0x710 [ 1053.108868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.108868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.108868][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.108868][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.108868][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.108868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.108868][ T10] [ 1053.110526][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1053.110786][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1053.110786][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.110786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.110786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.110786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.110786][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.110786][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.110786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.110786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.110786][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.110786][ T10] netlink_unicast+0x449/0x710 [ 1053.110786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.110786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.110786][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.110786][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.110786][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.110786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.110786][ T10] [ 1053.112761][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1053.112761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.112761][ T10] ipv6_find_idev+0x102/0x170 [ 1053.112761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.112761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.112761][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.112761][ T10] netlink_unicast+0x449/0x710 [ 1053.112761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.112761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.112761][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.112761][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.112761][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.112761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.112761][ T10] [ 1053.114278][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1053.114278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.114278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.114278][ T10] ipv6_find_idev+0x102/0x170 [ 1053.114278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.114278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.114278][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.114278][ T10] netlink_unicast+0x449/0x710 [ 1053.114278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.114278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.114278][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.114278][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.114278][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.114278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.114278][ T10] [ 1053.116335][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1053.116595][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1053.116595][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.116595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.116595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.116595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.116595][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.116595][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.116595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.116595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.116595][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.116595][ T10] netlink_unicast+0x449/0x710 [ 1053.116595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.116595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.116595][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.116595][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.116595][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.116595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.116595][ T10] [ 1053.118564][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1053.118564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.118564][ T10] ipv6_find_idev+0x102/0x170 [ 1053.118564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.118564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.118564][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.118564][ T10] netlink_unicast+0x449/0x710 [ 1053.118564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.118564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.118564][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.118564][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.118564][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.118564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.118564][ T10] [ 1053.120083][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1053.120083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.120083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.120083][ T10] ipv6_find_idev+0x102/0x170 [ 1053.120083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.120083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.120083][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.120083][ T10] netlink_unicast+0x449/0x710 [ 1053.120083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.120083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.120083][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.120083][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.120083][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.120083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.120083][ T10] [ 1053.121799][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1053.122060][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1053.122060][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.122060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.122060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.122060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.122060][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.122060][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.122060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.122060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.122060][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.122060][ T10] netlink_unicast+0x449/0x710 [ 1053.122060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.122060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.122060][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.122060][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.122060][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.122060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.122060][ T10] [ 1053.124112][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1053.124112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.124112][ T10] ipv6_find_idev+0x102/0x170 [ 1053.124112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.124112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.124112][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.124112][ T10] netlink_unicast+0x449/0x710 [ 1053.124112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.124112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.124112][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.124112][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.124112][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.124112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.124112][ T10] [ 1053.125878][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1053.125878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.125878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.125878][ T10] ipv6_find_idev+0x102/0x170 [ 1053.125878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.125878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.125878][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.125878][ T10] netlink_unicast+0x449/0x710 [ 1053.125878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.125878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.125878][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.125878][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.125878][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.125878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.125878][ T10] [ 1053.127835][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1053.128098][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1053.128098][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.128098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.128098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.128098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.128098][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.128098][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.128098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.128098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.128098][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.128098][ T10] netlink_unicast+0x449/0x710 [ 1053.128098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.128098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.128098][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.128098][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.128098][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.128098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.128098][ T10] [ 1053.130249][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1053.130249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.130249][ T10] ipv6_find_idev+0x102/0x170 [ 1053.130249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.130249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.130249][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.130249][ T10] netlink_unicast+0x449/0x710 [ 1053.130249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.130249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.130249][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.130249][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.130249][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.130249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.130249][ T10] [ 1053.131954][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1053.131954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.131954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.131954][ T10] ipv6_find_idev+0x102/0x170 [ 1053.131954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.131954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.131954][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.131954][ T10] netlink_unicast+0x449/0x710 [ 1053.131954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.131954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.131954][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.131954][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.131954][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.131954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.131954][ T10] [ 1053.133886][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1053.134146][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1053.134146][ T10] netdev_get_by_index+0x5e/0x80 [ 1053.134146][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1053.134146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1053.134146][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1053.134146][ T10] ipv6_add_addr+0x411/0x2000 [ 1053.134146][ T10] inet6_addr_add+0x30e/0xa40 [ 1053.134146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.134146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.134146][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.134146][ T10] netlink_unicast+0x449/0x710 [ 1053.134146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.134146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.134146][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.134146][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.134146][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.134146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.134146][ T10] [ 1053.136356][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1053.136356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1053.136356][ T10] ipv6_find_idev+0x102/0x170 [ 1053.136356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.136356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.136356][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.136356][ T10] netlink_unicast+0x449/0x710 [ 1053.136356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.136356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.136356][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.136356][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.136356][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.136356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.136356][ T10] [ 1053.138062][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1053.138062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1053.138062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1053.138062][ T10] ipv6_find_idev+0x102/0x170 [ 1053.138062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.138062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.138062][ T10] netlink_rcv_skb+0x130/0x360 [ 1053.138062][ T10] netlink_unicast+0x449/0x710 [ 1053.138062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1053.138062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1053.138062][ T10] ___sys_sendmsg+0xee/0x170 [ 1053.138062][ T10] __sys_sendmsg+0xcd/0x170 [ 1053.138062][ T10] do_syscall_64+0xc6/0x1e0 [ 1053.138062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.138062][ T10] [ 1063.381902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1063.382408][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1063.382408][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.382408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.382408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.382408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.382408][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.382408][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.382408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.382408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.382408][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.382408][ T10] netlink_unicast+0x449/0x710 [ 1063.382408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.382408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.382408][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.382408][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.382408][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.382408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.382408][ T10] [ 1063.384457][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1063.384457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.384457][ T10] ipv6_find_idev+0x102/0x170 [ 1063.384457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.384457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.384457][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.384457][ T10] netlink_unicast+0x449/0x710 [ 1063.384457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.384457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.384457][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.384457][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.384457][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.384457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.384457][ T10] [ 1063.386022][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1063.386022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.386022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.386022][ T10] ipv6_find_idev+0x102/0x170 [ 1063.386022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.386022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.386022][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.386022][ T10] netlink_unicast+0x449/0x710 [ 1063.386022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.386022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.386022][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.386022][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.386022][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.386022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.386022][ T10] [ 1063.387747][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1063.388061][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1063.388061][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.388061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.388061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.388061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.388061][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.388061][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.388061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.388061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.388061][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.388061][ T10] netlink_unicast+0x449/0x710 [ 1063.388061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.388061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.388061][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.388061][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.388061][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.388061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.388061][ T10] [ 1063.390068][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1063.390068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.390068][ T10] ipv6_find_idev+0x102/0x170 [ 1063.390068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.390068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.390068][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.390068][ T10] netlink_unicast+0x449/0x710 [ 1063.390068][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.390068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.390068][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.390068][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.390068][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.390068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.390068][ T10] [ 1063.391633][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1063.391633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.391633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.391633][ T10] ipv6_find_idev+0x102/0x170 [ 1063.391633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.391633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.391633][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.391633][ T10] netlink_unicast+0x449/0x710 [ 1063.391633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.391633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.391633][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.391633][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.391633][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.391633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.391633][ T10] [ 1063.393331][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1063.393604][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1063.393604][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.393604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.393604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.393604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.393604][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.393604][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.393604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.393604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.393604][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.393604][ T10] netlink_unicast+0x449/0x710 [ 1063.393604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.393604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.393604][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.393604][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.393604][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.393604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.393604][ T10] [ 1063.395612][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1063.395612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.395612][ T10] ipv6_find_idev+0x102/0x170 [ 1063.395612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.395612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.395612][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.395612][ T10] netlink_unicast+0x449/0x710 [ 1063.395612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.395612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.395612][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.395612][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.395612][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.395612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.395612][ T10] [ 1063.397159][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1063.397159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.397159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.397159][ T10] ipv6_find_idev+0x102/0x170 [ 1063.397159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.397159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.397159][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.397159][ T10] netlink_unicast+0x449/0x710 [ 1063.397159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.397159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.397159][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.397159][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.397159][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.397159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.397159][ T10] [ 1063.398843][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1063.399109][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1063.399109][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.399109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.399109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.399109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.399109][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.399109][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.399109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.399109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.399109][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.399109][ T10] netlink_unicast+0x449/0x710 [ 1063.399109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.399109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.399109][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.399109][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.399109][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.399109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.399109][ T10] [ 1063.401109][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1063.401109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.401109][ T10] ipv6_find_idev+0x102/0x170 [ 1063.401109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.401109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.401109][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.401109][ T10] netlink_unicast+0x449/0x710 [ 1063.401109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.401109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.401109][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.401109][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.401109][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.401109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.401109][ T10] [ 1063.402664][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1063.402664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.402664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.402664][ T10] ipv6_find_idev+0x102/0x170 [ 1063.402664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.402664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.402664][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.402664][ T10] netlink_unicast+0x449/0x710 [ 1063.402664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.402664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.402664][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.402664][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.402664][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.402664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.402664][ T10] [ 1063.405082][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1063.405350][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1063.405350][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.405350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.405350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.405350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.405350][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.405350][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.405350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.405350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.405350][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.405350][ T10] netlink_unicast+0x449/0x710 [ 1063.405350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.405350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.405350][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.405350][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.405350][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.405350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.405350][ T10] [ 1063.407351][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1063.407351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.407351][ T10] ipv6_find_idev+0x102/0x170 [ 1063.407351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.407351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.407351][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.407351][ T10] netlink_unicast+0x449/0x710 [ 1063.407351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.407351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.407351][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.407351][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.407351][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.407351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.407351][ T10] [ 1063.408888][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1063.408888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.408888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.408888][ T10] ipv6_find_idev+0x102/0x170 [ 1063.408888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.408888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.408888][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.408888][ T10] netlink_unicast+0x449/0x710 [ 1063.408888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.408888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.408888][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.408888][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.408888][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.408888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.408888][ T10] [ 1063.410566][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1063.410887][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1063.410887][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.410887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.410887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.410887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.410887][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.410887][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.410887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.410887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.410887][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.410887][ T10] netlink_unicast+0x449/0x710 [ 1063.410887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.410887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.410887][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.410887][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.410887][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.410887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.410887][ T10] [ 1063.412878][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1063.412878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.412878][ T10] ipv6_find_idev+0x102/0x170 [ 1063.412878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.412878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.412878][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.412878][ T10] netlink_unicast+0x449/0x710 [ 1063.412878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.412878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.412878][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.412878][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.412878][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.412878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.412878][ T10] [ 1063.414417][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1063.414417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.414417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.414417][ T10] ipv6_find_idev+0x102/0x170 [ 1063.414417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.414417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.414417][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.414417][ T10] netlink_unicast+0x449/0x710 [ 1063.414417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.414417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.414417][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.414417][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.414417][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.414417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.414417][ T10] [ 1063.416328][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1063.416658][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1063.416658][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.416658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.416658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.416658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.416658][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.416658][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.416658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.416658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.416658][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.416658][ T10] netlink_unicast+0x449/0x710 [ 1063.416658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.416658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.416658][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.416658][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.416658][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.416658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.416658][ T10] [ 1063.418903][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1063.418903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.418903][ T10] ipv6_find_idev+0x102/0x170 [ 1063.418903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.418903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.418903][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.418903][ T10] netlink_unicast+0x449/0x710 [ 1063.418903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.418903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.418903][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.418903][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.418903][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.418903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.418903][ T10] [ 1063.420621][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1063.420621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.420621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.420621][ T10] ipv6_find_idev+0x102/0x170 [ 1063.420621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.420621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.420621][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.420621][ T10] netlink_unicast+0x449/0x710 [ 1063.420621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.420621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.420621][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.420621][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.420621][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.420621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.420621][ T10] [ 1063.422626][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1063.423325][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1063.423325][ T10] netdev_get_by_index+0x5e/0x80 [ 1063.423325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1063.423325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1063.423325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1063.423325][ T10] ipv6_add_addr+0x411/0x2000 [ 1063.423325][ T10] inet6_addr_add+0x30e/0xa40 [ 1063.423325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.423325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.423325][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.423325][ T10] netlink_unicast+0x449/0x710 [ 1063.423325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.423325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.423325][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.423325][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.423325][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.423325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.423325][ T10] [ 1063.425537][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1063.425537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1063.425537][ T10] ipv6_find_idev+0x102/0x170 [ 1063.425537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.425537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.425537][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.425537][ T10] netlink_unicast+0x449/0x710 [ 1063.425537][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.425537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.425537][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.425537][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.425537][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.425537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.425537][ T10] [ 1063.427261][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1063.427261][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1063.427261][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1063.427261][ T10] ipv6_find_idev+0x102/0x170 [ 1063.427261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.427261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.427261][ T10] netlink_rcv_skb+0x130/0x360 [ 1063.427261][ T10] netlink_unicast+0x449/0x710 [ 1063.427261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1063.427261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1063.427261][ T10] ___sys_sendmsg+0xee/0x170 [ 1063.427261][ T10] __sys_sendmsg+0xcd/0x170 [ 1063.427261][ T10] do_syscall_64+0xc6/0x1e0 [ 1063.427261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.427261][ T10] [ 1073.669893][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1073.670434][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1073.670434][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.670434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.670434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.670434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.670434][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.670434][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.670434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.670434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.670434][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.670434][ T10] netlink_unicast+0x449/0x710 [ 1073.670434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.670434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.670434][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.670434][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.670434][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.670434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.670434][ T10] [ 1073.672462][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1073.672462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.672462][ T10] ipv6_find_idev+0x102/0x170 [ 1073.672462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.672462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.672462][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.672462][ T10] netlink_unicast+0x449/0x710 [ 1073.672462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.672462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.672462][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.672462][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.672462][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.672462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.672462][ T10] [ 1073.674058][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1073.674058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.674058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.674058][ T10] ipv6_find_idev+0x102/0x170 [ 1073.674058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.674058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.674058][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.674058][ T10] netlink_unicast+0x449/0x710 [ 1073.674058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.674058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.674058][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.674058][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.674058][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.674058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.674058][ T10] [ 1073.675794][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1073.676077][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1073.676077][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.676077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.676077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.676077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.676077][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.676077][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.676077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.676077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.676077][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.676077][ T10] netlink_unicast+0x449/0x710 [ 1073.676077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.676077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.676077][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.676077][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.676077][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.676077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.676077][ T10] [ 1073.678092][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1073.678092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.678092][ T10] ipv6_find_idev+0x102/0x170 [ 1073.678092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.678092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.678092][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.678092][ T10] netlink_unicast+0x449/0x710 [ 1073.678092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.678092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.678092][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.678092][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.678092][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.678092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.678092][ T10] [ 1073.679641][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1073.679641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.679641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.679641][ T10] ipv6_find_idev+0x102/0x170 [ 1073.679641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.679641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.679641][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.679641][ T10] netlink_unicast+0x449/0x710 [ 1073.679641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.679641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.679641][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.679641][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.679641][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.679641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.679641][ T10] [ 1073.681333][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1073.681600][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1073.681600][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.681600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.681600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.681600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.681600][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.681600][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.681600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.681600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.681600][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.681600][ T10] netlink_unicast+0x449/0x710 [ 1073.681600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.681600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.681600][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.681600][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.681600][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.681600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.681600][ T10] [ 1073.683633][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1073.683633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.683633][ T10] ipv6_find_idev+0x102/0x170 [ 1073.683633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.683633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.683633][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.683633][ T10] netlink_unicast+0x449/0x710 [ 1073.683633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.683633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.683633][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.683633][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.683633][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.683633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.683633][ T10] [ 1073.685177][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1073.685177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.685177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.685177][ T10] ipv6_find_idev+0x102/0x170 [ 1073.685177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.685177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.685177][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.685177][ T10] netlink_unicast+0x449/0x710 [ 1073.685177][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.685177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.685177][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.685177][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.685177][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.685177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.685177][ T10] [ 1073.686870][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1073.687136][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1073.687136][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.687136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.687136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.687136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.687136][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.687136][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.687136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.687136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.687136][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.687136][ T10] netlink_unicast+0x449/0x710 [ 1073.687136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.687136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.687136][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.687136][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.687136][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.687136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.687136][ T10] [ 1073.689178][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1073.689178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.689178][ T10] ipv6_find_idev+0x102/0x170 [ 1073.689178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.689178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.689178][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.689178][ T10] netlink_unicast+0x449/0x710 [ 1073.689178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.689178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.689178][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.689178][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.689178][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.689178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.689178][ T10] [ 1073.690726][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1073.690726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.690726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.690726][ T10] ipv6_find_idev+0x102/0x170 [ 1073.690726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.690726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.690726][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.690726][ T10] netlink_unicast+0x449/0x710 [ 1073.690726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.690726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.690726][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.690726][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.690726][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.690726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.690726][ T10] [ 1073.692839][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1073.693444][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1073.693444][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.693444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.693444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.693444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.693444][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.693444][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.693444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.693444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.693444][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.693444][ T10] netlink_unicast+0x449/0x710 [ 1073.693444][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.693444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.693444][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.693444][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.693444][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.693444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.693444][ T10] [ 1073.695458][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1073.695458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.695458][ T10] ipv6_find_idev+0x102/0x170 [ 1073.695458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.695458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.695458][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.695458][ T10] netlink_unicast+0x449/0x710 [ 1073.695458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.695458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.695458][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.695458][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.695458][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.695458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.695458][ T10] [ 1073.697033][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1073.697033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.697033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.697033][ T10] ipv6_find_idev+0x102/0x170 [ 1073.697033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.697033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.697033][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.697033][ T10] netlink_unicast+0x449/0x710 [ 1073.697033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.697033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.697033][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.697033][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.697033][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.697033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.697033][ T10] [ 1073.698733][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1073.699061][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1073.699061][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.699061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.699061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.699061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.699061][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.699061][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.699061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.699061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.699061][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.699061][ T10] netlink_unicast+0x449/0x710 [ 1073.699061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.699061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.699061][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.699061][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.699061][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.699061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.699061][ T10] [ 1073.701055][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1073.701055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.701055][ T10] ipv6_find_idev+0x102/0x170 [ 1073.701055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.701055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.701055][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.701055][ T10] netlink_unicast+0x449/0x710 [ 1073.701055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.701055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.701055][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.701055][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.701055][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.701055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.701055][ T10] [ 1073.702599][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1073.702599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.702599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.702599][ T10] ipv6_find_idev+0x102/0x170 [ 1073.702599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.702599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.702599][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.702599][ T10] netlink_unicast+0x449/0x710 [ 1073.702599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.702599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.702599][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.702599][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.702599][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.702599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.702599][ T10] [ 1073.704505][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1073.704868][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1073.704868][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.704868][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.704868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.704868][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.704868][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.704868][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.704868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.704868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.704868][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.704868][ T10] netlink_unicast+0x449/0x710 [ 1073.704868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.704868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.704868][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.704868][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.704868][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.704868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.704868][ T10] [ 1073.707109][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1073.707109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.707109][ T10] ipv6_find_idev+0x102/0x170 [ 1073.707109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.707109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.707109][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.707109][ T10] netlink_unicast+0x449/0x710 [ 1073.707109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.707109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.707109][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.707109][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.707109][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.707109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.707109][ T10] [ 1073.708829][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1073.708829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.708829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.708829][ T10] ipv6_find_idev+0x102/0x170 [ 1073.708829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.708829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.708829][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.708829][ T10] netlink_unicast+0x449/0x710 [ 1073.708829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.708829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.708829][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.708829][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.708829][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.708829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.708829][ T10] [ 1073.710757][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1073.711077][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1073.711077][ T10] netdev_get_by_index+0x5e/0x80 [ 1073.711077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1073.711077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1073.711077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1073.711077][ T10] ipv6_add_addr+0x411/0x2000 [ 1073.711077][ T10] inet6_addr_add+0x30e/0xa40 [ 1073.711077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.711077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.711077][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.711077][ T10] netlink_unicast+0x449/0x710 [ 1073.711077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.711077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.711077][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.711077][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.711077][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.711077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.711077][ T10] [ 1073.713259][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1073.713259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1073.713259][ T10] ipv6_find_idev+0x102/0x170 [ 1073.713259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.713259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.713259][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.713259][ T10] netlink_unicast+0x449/0x710 [ 1073.713259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.713259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.713259][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.713259][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.713259][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.713259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.713259][ T10] [ 1073.714979][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1073.714979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1073.714979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1073.714979][ T10] ipv6_find_idev+0x102/0x170 [ 1073.714979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.714979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.714979][ T10] netlink_rcv_skb+0x130/0x360 [ 1073.714979][ T10] netlink_unicast+0x449/0x710 [ 1073.714979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1073.714979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1073.714979][ T10] ___sys_sendmsg+0xee/0x170 [ 1073.714979][ T10] __sys_sendmsg+0xcd/0x170 [ 1073.714979][ T10] do_syscall_64+0xc6/0x1e0 [ 1073.714979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.714979][ T10] [ 1083.845969][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1083.846484][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1083.846484][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.846484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.846484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.846484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.846484][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.846484][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.846484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.846484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.846484][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.846484][ T10] netlink_unicast+0x449/0x710 [ 1083.846484][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.846484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.846484][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.846484][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.846484][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.846484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.846484][ T10] [ 1083.848548][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1083.848548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.848548][ T10] ipv6_find_idev+0x102/0x170 [ 1083.848548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.848548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.848548][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.848548][ T10] netlink_unicast+0x449/0x710 [ 1083.848548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.848548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.848548][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.848548][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.848548][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.848548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.848548][ T10] [ 1083.850093][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1083.850093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.850093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.850093][ T10] ipv6_find_idev+0x102/0x170 [ 1083.850093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.850093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.850093][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.850093][ T10] netlink_unicast+0x449/0x710 [ 1083.850093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.850093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.850093][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.850093][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.850093][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.850093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.850093][ T10] [ 1083.851814][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1083.852092][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1083.852092][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.852092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.852092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.852092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.852092][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.852092][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.852092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.852092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.852092][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.852092][ T10] netlink_unicast+0x449/0x710 [ 1083.852092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.852092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.852092][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.852092][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.852092][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.852092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.852092][ T10] [ 1083.854091][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1083.854091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.854091][ T10] ipv6_find_idev+0x102/0x170 [ 1083.854091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.854091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.854091][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.854091][ T10] netlink_unicast+0x449/0x710 [ 1083.854091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.854091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.854091][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.854091][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.854091][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.854091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.854091][ T10] [ 1083.855639][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1083.855639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.855639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.855639][ T10] ipv6_find_idev+0x102/0x170 [ 1083.855639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.855639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.855639][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.855639][ T10] netlink_unicast+0x449/0x710 [ 1083.855639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.855639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.855639][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.855639][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.855639][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.855639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.855639][ T10] [ 1083.857341][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1083.857613][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1083.857613][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.857613][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.857613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.857613][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.857613][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.857613][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.857613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.857613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.857613][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.857613][ T10] netlink_unicast+0x449/0x710 [ 1083.857613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.857613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.857613][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.857613][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.857613][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.857613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.857613][ T10] [ 1083.859620][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1083.859620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.859620][ T10] ipv6_find_idev+0x102/0x170 [ 1083.859620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.859620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.859620][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.859620][ T10] netlink_unicast+0x449/0x710 [ 1083.859620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.859620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.859620][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.859620][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.859620][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.859620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.859620][ T10] [ 1083.861166][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1083.861166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.861166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.861166][ T10] ipv6_find_idev+0x102/0x170 [ 1083.861166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.861166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.861166][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.861166][ T10] netlink_unicast+0x449/0x710 [ 1083.861166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.861166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.861166][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.861166][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.861166][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.861166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.861166][ T10] [ 1083.862857][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1083.863123][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1083.863123][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.863123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.863123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.863123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.863123][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.863123][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.863123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.863123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.863123][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.863123][ T10] netlink_unicast+0x449/0x710 [ 1083.863123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.863123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.863123][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.863123][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.863123][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.863123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.863123][ T10] [ 1083.865137][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1083.865137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.865137][ T10] ipv6_find_idev+0x102/0x170 [ 1083.865137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.865137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.865137][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.865137][ T10] netlink_unicast+0x449/0x710 [ 1083.865137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.865137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.865137][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.865137][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.865137][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.865137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.865137][ T10] [ 1083.866688][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1083.866688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.866688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.866688][ T10] ipv6_find_idev+0x102/0x170 [ 1083.866688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.866688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.866688][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.866688][ T10] netlink_unicast+0x449/0x710 [ 1083.866688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.866688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.866688][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.866688][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.866688][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.866688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.866688][ T10] [ 1083.868793][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1083.869382][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1083.869382][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.869382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.869382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.869382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.869382][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.869382][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.869382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.869382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.869382][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.869382][ T10] netlink_unicast+0x449/0x710 [ 1083.869382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.869382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.869382][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.869382][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.869382][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.869382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.869382][ T10] [ 1083.871904][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1083.871904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.871904][ T10] ipv6_find_idev+0x102/0x170 [ 1083.871904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.871904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.871904][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.871904][ T10] netlink_unicast+0x449/0x710 [ 1083.871904][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.871904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.871904][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.871904][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.871904][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.871904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.871904][ T10] [ 1083.873441][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1083.873441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.873441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.873441][ T10] ipv6_find_idev+0x102/0x170 [ 1083.873441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.873441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.873441][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.873441][ T10] netlink_unicast+0x449/0x710 [ 1083.873441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.873441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.873441][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.873441][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.873441][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.873441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.873441][ T10] [ 1083.875128][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1083.875397][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1083.875397][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.875397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.875397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.875397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.875397][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.875397][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.875397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.875397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.875397][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.875397][ T10] netlink_unicast+0x449/0x710 [ 1083.875397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.875397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.875397][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.875397][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.875397][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.875397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.875397][ T10] [ 1083.877492][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1083.877492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.877492][ T10] ipv6_find_idev+0x102/0x170 [ 1083.877492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.877492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.877492][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.877492][ T10] netlink_unicast+0x449/0x710 [ 1083.877492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.877492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.877492][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.877492][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.877492][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.877492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.877492][ T10] [ 1083.879123][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1083.879123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.879123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.879123][ T10] ipv6_find_idev+0x102/0x170 [ 1083.879123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.879123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.879123][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.879123][ T10] netlink_unicast+0x449/0x710 [ 1083.879123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.879123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.879123][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.879123][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.879123][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.879123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.879123][ T10] [ 1083.881035][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1083.881357][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1083.881357][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.881357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.881357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.881357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.881357][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.881357][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.881357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.881357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.881357][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.881357][ T10] netlink_unicast+0x449/0x710 [ 1083.881357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.881357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.881357][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.881357][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.881357][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.881357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.881357][ T10] [ 1083.883533][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1083.883533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.883533][ T10] ipv6_find_idev+0x102/0x170 [ 1083.883533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.883533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.883533][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.883533][ T10] netlink_unicast+0x449/0x710 [ 1083.883533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.883533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.883533][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.883533][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.883533][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.883533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.883533][ T10] [ 1083.885326][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1083.885326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.885326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.885326][ T10] ipv6_find_idev+0x102/0x170 [ 1083.885326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.885326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.885326][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.885326][ T10] netlink_unicast+0x449/0x710 [ 1083.885326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.885326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.885326][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.885326][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.885326][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.885326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.885326][ T10] [ 1083.887241][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1083.887555][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1083.887555][ T10] netdev_get_by_index+0x5e/0x80 [ 1083.887555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1083.887555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1083.887555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1083.887555][ T10] ipv6_add_addr+0x411/0x2000 [ 1083.887555][ T10] inet6_addr_add+0x30e/0xa40 [ 1083.887555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.887555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.887555][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.887555][ T10] netlink_unicast+0x449/0x710 [ 1083.887555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.887555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.887555][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.887555][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.887555][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.887555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.887555][ T10] [ 1083.889729][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1083.889729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1083.889729][ T10] ipv6_find_idev+0x102/0x170 [ 1083.889729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.889729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.889729][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.889729][ T10] netlink_unicast+0x449/0x710 [ 1083.889729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.889729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.889729][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.889729][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.889729][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.889729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.889729][ T10] [ 1083.891843][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1083.891843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1083.891843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1083.891843][ T10] ipv6_find_idev+0x102/0x170 [ 1083.891843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.891843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.891843][ T10] netlink_rcv_skb+0x130/0x360 [ 1083.891843][ T10] netlink_unicast+0x449/0x710 [ 1083.891843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1083.891843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1083.891843][ T10] ___sys_sendmsg+0xee/0x170 [ 1083.891843][ T10] __sys_sendmsg+0xcd/0x170 [ 1083.891843][ T10] do_syscall_64+0xc6/0x1e0 [ 1083.891843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.891843][ T10] [ 1094.133945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1094.134394][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1094.134394][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.134394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.134394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.134394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.134394][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.134394][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.134394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.134394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.134394][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.134394][ T10] netlink_unicast+0x449/0x710 [ 1094.134394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.134394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.134394][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.134394][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.134394][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.134394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.134394][ T10] [ 1094.136405][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1094.136405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.136405][ T10] ipv6_find_idev+0x102/0x170 [ 1094.136405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.136405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.136405][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.136405][ T10] netlink_unicast+0x449/0x710 [ 1094.136405][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.136405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.136405][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.136405][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.136405][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.136405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.136405][ T10] [ 1094.137966][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1094.137966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.137966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.137966][ T10] ipv6_find_idev+0x102/0x170 [ 1094.137966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.137966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.137966][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.137966][ T10] netlink_unicast+0x449/0x710 [ 1094.137966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.137966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.137966][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.137966][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.137966][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.137966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.137966][ T10] [ 1094.139685][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1094.139972][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1094.139972][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.139972][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.139972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.139972][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.139972][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.139972][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.139972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.139972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.139972][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.139972][ T10] netlink_unicast+0x449/0x710 [ 1094.139972][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.139972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.139972][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.139972][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.139972][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.139972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.139972][ T10] [ 1094.141992][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1094.141992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.141992][ T10] ipv6_find_idev+0x102/0x170 [ 1094.141992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.141992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.141992][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.141992][ T10] netlink_unicast+0x449/0x710 [ 1094.141992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.141992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.141992][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.141992][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.141992][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.141992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.141992][ T10] [ 1094.143544][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1094.143544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.143544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.143544][ T10] ipv6_find_idev+0x102/0x170 [ 1094.143544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.143544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.143544][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.143544][ T10] netlink_unicast+0x449/0x710 [ 1094.143544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.143544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.143544][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.143544][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.143544][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.143544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.143544][ T10] [ 1094.145250][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1094.145519][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1094.145519][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.145519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.145519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.145519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.145519][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.145519][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.145519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.145519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.145519][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.145519][ T10] netlink_unicast+0x449/0x710 [ 1094.145519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.145519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.145519][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.145519][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.145519][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.145519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.145519][ T10] [ 1094.147558][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1094.147558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.147558][ T10] ipv6_find_idev+0x102/0x170 [ 1094.147558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.147558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.147558][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.147558][ T10] netlink_unicast+0x449/0x710 [ 1094.147558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.147558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.147558][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.147558][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.147558][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.147558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.147558][ T10] [ 1094.149116][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1094.149116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.149116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.149116][ T10] ipv6_find_idev+0x102/0x170 [ 1094.149116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.149116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.149116][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.149116][ T10] netlink_unicast+0x449/0x710 [ 1094.149116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.149116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.149116][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.149116][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.149116][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.149116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.149116][ T10] [ 1094.150819][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1094.151090][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1094.151090][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.151090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.151090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.151090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.151090][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.151090][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.151090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.151090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.151090][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.151090][ T10] netlink_unicast+0x449/0x710 [ 1094.151090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.151090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.151090][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.151090][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.151090][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.151090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.151090][ T10] [ 1094.153099][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1094.153099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.153099][ T10] ipv6_find_idev+0x102/0x170 [ 1094.153099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.153099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.153099][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.153099][ T10] netlink_unicast+0x449/0x710 [ 1094.153099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.153099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.153099][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.153099][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.153099][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.153099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.153099][ T10] [ 1094.154691][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1094.154691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.154691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.154691][ T10] ipv6_find_idev+0x102/0x170 [ 1094.154691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.154691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.154691][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.154691][ T10] netlink_unicast+0x449/0x710 [ 1094.154691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.154691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.154691][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.154691][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.154691][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.154691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.154691][ T10] [ 1094.156817][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1094.157413][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1094.157413][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.157413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.157413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.157413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.157413][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.157413][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.157413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.157413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.157413][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.157413][ T10] netlink_unicast+0x449/0x710 [ 1094.157413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.157413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.157413][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.157413][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.157413][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.157413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.157413][ T10] [ 1094.159413][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1094.159413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.159413][ T10] ipv6_find_idev+0x102/0x170 [ 1094.159413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.159413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.159413][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.159413][ T10] netlink_unicast+0x449/0x710 [ 1094.159413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.159413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.159413][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.159413][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.159413][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.159413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.159413][ T10] [ 1094.160952][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1094.160952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.160952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.160952][ T10] ipv6_find_idev+0x102/0x170 [ 1094.160952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.160952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.160952][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.160952][ T10] netlink_unicast+0x449/0x710 [ 1094.160952][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.160952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.160952][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.160952][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.160952][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.160952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.160952][ T10] [ 1094.162649][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1094.162977][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1094.162977][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.162977][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.162977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.162977][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.162977][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.162977][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.162977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.162977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.162977][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.162977][ T10] netlink_unicast+0x449/0x710 [ 1094.162977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.162977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.162977][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.162977][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.162977][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.162977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.162977][ T10] [ 1094.165367][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1094.165367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.165367][ T10] ipv6_find_idev+0x102/0x170 [ 1094.165367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.165367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.165367][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.165367][ T10] netlink_unicast+0x449/0x710 [ 1094.165367][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.165367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.165367][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.165367][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.165367][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.165367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.165367][ T10] [ 1094.166928][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1094.166928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.166928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.166928][ T10] ipv6_find_idev+0x102/0x170 [ 1094.166928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.166928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.166928][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.166928][ T10] netlink_unicast+0x449/0x710 [ 1094.166928][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.166928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.166928][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.166928][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.166928][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.166928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.166928][ T10] [ 1094.169150][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1094.169524][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1094.169524][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.169524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.169524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.169524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.169524][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.169524][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.169524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.169524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.169524][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.169524][ T10] netlink_unicast+0x449/0x710 [ 1094.169524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.169524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.169524][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.169524][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.169524][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.169524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.169524][ T10] [ 1094.172245][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1094.172245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.172245][ T10] ipv6_find_idev+0x102/0x170 [ 1094.172245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.172245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.172245][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.172245][ T10] netlink_unicast+0x449/0x710 [ 1094.172245][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.172245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.172245][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.172245][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.172245][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.172245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.172245][ T10] [ 1094.174332][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1094.174332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.174332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.174332][ T10] ipv6_find_idev+0x102/0x170 [ 1094.174332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.174332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.174332][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.174332][ T10] netlink_unicast+0x449/0x710 [ 1094.174332][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.174332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.174332][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.174332][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.174332][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.174332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.174332][ T10] [ 1094.176714][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1094.177108][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1094.177108][ T10] netdev_get_by_index+0x5e/0x80 [ 1094.177108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1094.177108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1094.177108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1094.177108][ T10] ipv6_add_addr+0x411/0x2000 [ 1094.177108][ T10] inet6_addr_add+0x30e/0xa40 [ 1094.177108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.177108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.177108][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.177108][ T10] netlink_unicast+0x449/0x710 [ 1094.177108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.177108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.177108][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.177108][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.177108][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.177108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.177108][ T10] [ 1094.179789][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1094.179789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1094.179789][ T10] ipv6_find_idev+0x102/0x170 [ 1094.179789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.179789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.179789][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.179789][ T10] netlink_unicast+0x449/0x710 [ 1094.179789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.179789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.179789][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.179789][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.179789][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.179789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.179789][ T10] [ 1094.181886][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1094.181886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1094.181886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1094.181886][ T10] ipv6_find_idev+0x102/0x170 [ 1094.181886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.181886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.181886][ T10] netlink_rcv_skb+0x130/0x360 [ 1094.181886][ T10] netlink_unicast+0x449/0x710 [ 1094.181886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1094.181886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1094.181886][ T10] ___sys_sendmsg+0xee/0x170 [ 1094.181886][ T10] __sys_sendmsg+0xcd/0x170 [ 1094.181886][ T10] do_syscall_64+0xc6/0x1e0 [ 1094.181886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.181886][ T10] [ 1104.221951][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1104.222475][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1104.222475][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.222475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.222475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.222475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.222475][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.222475][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.222475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.222475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.222475][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.222475][ T10] netlink_unicast+0x449/0x710 [ 1104.222475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.222475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.222475][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.222475][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.222475][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.222475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.222475][ T10] [ 1104.224696][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1104.224696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.224696][ T10] ipv6_find_idev+0x102/0x170 [ 1104.224696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.224696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.224696][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.224696][ T10] netlink_unicast+0x449/0x710 [ 1104.224696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.224696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.224696][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.224696][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.224696][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.224696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.224696][ T10] [ 1104.226411][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1104.226411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.226411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.226411][ T10] ipv6_find_idev+0x102/0x170 [ 1104.226411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.226411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.226411][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.226411][ T10] netlink_unicast+0x449/0x710 [ 1104.226411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.226411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.226411][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.226411][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.226411][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.226411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.226411][ T10] [ 1104.228307][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1104.228602][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1104.228602][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.228602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.228602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.228602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.228602][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.228602][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.228602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.228602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.228602][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.228602][ T10] netlink_unicast+0x449/0x710 [ 1104.228602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.228602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.228602][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.228602][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.228602][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.228602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.228602][ T10] [ 1104.230821][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1104.230821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.230821][ T10] ipv6_find_idev+0x102/0x170 [ 1104.230821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.230821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.230821][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.230821][ T10] netlink_unicast+0x449/0x710 [ 1104.230821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.230821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.230821][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.230821][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.230821][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.230821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.230821][ T10] [ 1104.232529][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1104.232529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.232529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.232529][ T10] ipv6_find_idev+0x102/0x170 [ 1104.232529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.232529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.232529][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.232529][ T10] netlink_unicast+0x449/0x710 [ 1104.232529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.232529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.232529][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.232529][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.232529][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.232529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.232529][ T10] [ 1104.234403][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1104.234696][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1104.234696][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.234696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.234696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.234696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.234696][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.234696][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.234696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.234696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.234696][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.234696][ T10] netlink_unicast+0x449/0x710 [ 1104.234696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.234696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.234696][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.234696][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.234696][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.234696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.234696][ T10] [ 1104.236918][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1104.236918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.236918][ T10] ipv6_find_idev+0x102/0x170 [ 1104.236918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.236918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.236918][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.236918][ T10] netlink_unicast+0x449/0x710 [ 1104.236918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.236918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.236918][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.236918][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.236918][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.236918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.236918][ T10] [ 1104.238620][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1104.238620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.238620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.238620][ T10] ipv6_find_idev+0x102/0x170 [ 1104.238620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.238620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.238620][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.238620][ T10] netlink_unicast+0x449/0x710 [ 1104.238620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.238620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.238620][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.238620][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.238620][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.238620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.238620][ T10] [ 1104.240481][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1104.240768][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1104.240768][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.240768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.240768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.240768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.240768][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.240768][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.240768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.240768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.240768][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.240768][ T10] netlink_unicast+0x449/0x710 [ 1104.240768][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.240768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.240768][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.240768][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.240768][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.240768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.240768][ T10] [ 1104.242984][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1104.242984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.242984][ T10] ipv6_find_idev+0x102/0x170 [ 1104.242984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.242984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.242984][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.242984][ T10] netlink_unicast+0x449/0x710 [ 1104.242984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.242984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.242984][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.242984][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.242984][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.242984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.242984][ T10] [ 1104.244691][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1104.244691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.244691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.244691][ T10] ipv6_find_idev+0x102/0x170 [ 1104.244691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.244691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.244691][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.244691][ T10] netlink_unicast+0x449/0x710 [ 1104.244691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.244691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.244691][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.244691][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.244691][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.244691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.244691][ T10] [ 1104.247010][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1104.247301][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1104.247301][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.247301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.247301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.247301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.247301][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.247301][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.247301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.247301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.247301][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.247301][ T10] netlink_unicast+0x449/0x710 [ 1104.247301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.247301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.247301][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.247301][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.247301][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.247301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.247301][ T10] [ 1104.249503][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1104.249503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.249503][ T10] ipv6_find_idev+0x102/0x170 [ 1104.249503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.249503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.249503][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.249503][ T10] netlink_unicast+0x449/0x710 [ 1104.249503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.249503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.249503][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.249503][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.249503][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.249503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.249503][ T10] [ 1104.251211][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1104.251211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.251211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.251211][ T10] ipv6_find_idev+0x102/0x170 [ 1104.251211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.251211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.251211][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.251211][ T10] netlink_unicast+0x449/0x710 [ 1104.251211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.251211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.251211][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.251211][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.251211][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.251211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.251211][ T10] [ 1104.253115][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1104.253399][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1104.253399][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.253399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.253399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.253399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.253399][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.253399][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.253399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.253399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.253399][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.253399][ T10] netlink_unicast+0x449/0x710 [ 1104.253399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.253399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.253399][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.253399][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.253399][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.253399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.253399][ T10] [ 1104.255733][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1104.255733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.255733][ T10] ipv6_find_idev+0x102/0x170 [ 1104.255733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.255733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.255733][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.255733][ T10] netlink_unicast+0x449/0x710 [ 1104.255733][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.255733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.255733][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.255733][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.255733][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.255733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.255733][ T10] [ 1104.257690][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1104.257690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.257690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.257690][ T10] ipv6_find_idev+0x102/0x170 [ 1104.257690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.257690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.257690][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.257690][ T10] netlink_unicast+0x449/0x710 [ 1104.257690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.257690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.257690][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.257690][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.257690][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.257690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.257690][ T10] [ 1104.259835][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1104.260122][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1104.260122][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.260122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.260122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.260122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.260122][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.260122][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.260122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.260122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.260122][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.260122][ T10] netlink_unicast+0x449/0x710 [ 1104.260122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.260122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.260122][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.260122][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.260122][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.260122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.260122][ T10] [ 1104.262526][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1104.262526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.262526][ T10] ipv6_find_idev+0x102/0x170 [ 1104.262526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.262526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.262526][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.262526][ T10] netlink_unicast+0x449/0x710 [ 1104.262526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.262526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.262526][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.262526][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.262526][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.262526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.262526][ T10] [ 1104.264409][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1104.264409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.264409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.264409][ T10] ipv6_find_idev+0x102/0x170 [ 1104.264409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.264409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.264409][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.264409][ T10] netlink_unicast+0x449/0x710 [ 1104.264409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.264409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.264409][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.264409][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.264409][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.264409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.264409][ T10] [ 1104.266550][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1104.266895][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1104.266895][ T10] netdev_get_by_index+0x5e/0x80 [ 1104.266895][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1104.266895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1104.266895][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1104.266895][ T10] ipv6_add_addr+0x411/0x2000 [ 1104.266895][ T10] inet6_addr_add+0x30e/0xa40 [ 1104.266895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.266895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.266895][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.266895][ T10] netlink_unicast+0x449/0x710 [ 1104.266895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.266895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.266895][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.266895][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.266895][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.266895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.266895][ T10] [ 1104.269353][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1104.269353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1104.269353][ T10] ipv6_find_idev+0x102/0x170 [ 1104.269353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.269353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.269353][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.269353][ T10] netlink_unicast+0x449/0x710 [ 1104.269353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.269353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.269353][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.269353][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.269353][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.269353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.269353][ T10] [ 1104.271239][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1104.271239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1104.271239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1104.271239][ T10] ipv6_find_idev+0x102/0x170 [ 1104.271239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.271239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.271239][ T10] netlink_rcv_skb+0x130/0x360 [ 1104.271239][ T10] netlink_unicast+0x449/0x710 [ 1104.271239][ T10] netlink_sendmsg+0x723/0xbe0 [ 1104.271239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1104.271239][ T10] ___sys_sendmsg+0xee/0x170 [ 1104.271239][ T10] __sys_sendmsg+0xcd/0x170 [ 1104.271239][ T10] do_syscall_64+0xc6/0x1e0 [ 1104.271239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.271239][ T10] [ 1107.237969][ T42] INFO: task modprobe:1060 blocked for more than 860 seconds. [ 1107.238358][ T42] Not tainted 6.8.0-virtme #1 [ 1107.238487][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1107.238690][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 1107.238995][ T42] Call Trace: [ 1107.239112][ T42] [ 1107.239189][ T42] __schedule+0x705/0x1ac0 [ 1107.239330][ T42] ? __pfx___schedule+0x10/0x10 [ 1107.239456][ T42] ? schedule+0x1a5/0x210 [ 1107.239560][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.239693][ T42] ? mark_lock+0x38/0x3e0 [ 1107.239805][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1107.239937][ T42] ? schedule+0x1a5/0x210 [ 1107.240041][ T42] schedule+0xdf/0x210 [ 1107.240139][ T42] schedule_preempt_disabled+0x15/0x30 [ 1107.240264][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1107.240399][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1107.240558][ T42] ? kasan_save_stack+0x34/0x50 [ 1107.240685][ T42] ? kasan_save_stack+0x24/0x50 [ 1107.240824][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.240959][ T42] ? lock_acquire+0x1c1/0x220 [ 1107.241085][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1107.241220][ T42] down_write+0x1c9/0x200 [ 1107.241318][ T42] ? __pfx_down_write+0x10/0x10 [ 1107.241444][ T42] ? __pfx___lock_release+0x10/0x10 [ 1107.241580][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1107.241791][ T42] register_pernet_subsys+0x1a/0x50 [ 1107.241919][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1107.242106][ T42] do_one_initcall+0xc8/0x3f0 [ 1107.242236][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1107.242366][ T42] ? __create_object+0x5e/0xb0 [ 1107.242499][ T42] ? kasan_unpoison+0x27/0x60 [ 1107.242631][ T42] do_init_module+0x233/0x740 [ 1107.242793][ T42] load_module+0x16b5/0x2350 [ 1107.242933][ T42] ? __pfx_load_module+0x10/0x10 [ 1107.243063][ T42] ? kernel_read_file+0x3d2/0x520 [ 1107.243195][ T42] ? kernel_read_file+0x300/0x520 [ 1107.243328][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1107.243466][ T42] ? init_module_from_file+0xd2/0x130 [ 1107.243592][ T42] init_module_from_file+0xd2/0x130 [ 1107.243718][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1107.243888][ T42] ? __lock_release+0x103/0x460 [ 1107.244016][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.244153][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.244282][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1107.244413][ T42] idempotent_init_module+0x342/0x620 [ 1107.244542][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1107.244716][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1107.244855][ T42] do_syscall_64+0xc6/0x1e0 [ 1107.244989][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1107.245151][ T42] RIP: 0033:0x7ff11fe2be5d [ 1107.245283][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1107.245472][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 1107.245661][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 1107.245860][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 1107.246048][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 1107.246234][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 1107.246447][ T42] [ 1107.246546][ T42] [ 1107.246546][ T42] Showing all locks held in the system: [ 1107.246731][ T42] 3 locks held by kworker/u16:0/10: [ 1107.246880][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.247137][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.247360][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1107.247589][ T42] 2 locks held by kworker/u20:0/39: [ 1107.247713][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.247974][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.248258][ T42] 1 lock held by khungtaskd/42: [ 1107.248379][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1107.248607][ T42] 1 lock held by modprobe/1060: [ 1107.248727][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1107.248991][ T42] [ 1107.249058][ T42] ============================================= [ 1107.249058][ T42] [ 1114.509909][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1114.510411][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1114.510411][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.510411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.510411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.510411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.510411][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.510411][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.510411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.510411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.510411][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.510411][ T10] netlink_unicast+0x449/0x710 [ 1114.510411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.510411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.510411][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.510411][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.510411][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.510411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.510411][ T10] [ 1114.512447][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1114.512447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.512447][ T10] ipv6_find_idev+0x102/0x170 [ 1114.512447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.512447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.512447][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.512447][ T10] netlink_unicast+0x449/0x710 [ 1114.512447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.512447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.512447][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.512447][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.512447][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.512447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.512447][ T10] [ 1114.513993][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1114.513993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.513993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.513993][ T10] ipv6_find_idev+0x102/0x170 [ 1114.513993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.513993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.513993][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.513993][ T10] netlink_unicast+0x449/0x710 [ 1114.513993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.513993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.513993][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.513993][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.513993][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.513993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.513993][ T10] [ 1114.515715][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1114.516014][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1114.516014][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.516014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.516014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.516014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.516014][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.516014][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.516014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.516014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.516014][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.516014][ T10] netlink_unicast+0x449/0x710 [ 1114.516014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.516014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.516014][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.516014][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.516014][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.516014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.516014][ T10] [ 1114.518174][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1114.518174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.518174][ T10] ipv6_find_idev+0x102/0x170 [ 1114.518174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.518174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.518174][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.518174][ T10] netlink_unicast+0x449/0x710 [ 1114.518174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.518174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.518174][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.518174][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.518174][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.518174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.518174][ T10] [ 1114.519728][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1114.519728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.519728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.519728][ T10] ipv6_find_idev+0x102/0x170 [ 1114.519728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.519728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.519728][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.519728][ T10] netlink_unicast+0x449/0x710 [ 1114.519728][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.519728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.519728][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.519728][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.519728][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.519728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.519728][ T10] [ 1114.521425][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1114.521701][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1114.521701][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.521701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.521701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.521701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.521701][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.521701][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.521701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.521701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.521701][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.521701][ T10] netlink_unicast+0x449/0x710 [ 1114.521701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.521701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.521701][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.521701][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.521701][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.521701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.521701][ T10] [ 1114.523712][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1114.523712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.523712][ T10] ipv6_find_idev+0x102/0x170 [ 1114.523712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.523712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.523712][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.523712][ T10] netlink_unicast+0x449/0x710 [ 1114.523712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.523712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.523712][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.523712][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.523712][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.523712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.523712][ T10] [ 1114.525274][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1114.525274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.525274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.525274][ T10] ipv6_find_idev+0x102/0x170 [ 1114.525274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.525274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.525274][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.525274][ T10] netlink_unicast+0x449/0x710 [ 1114.525274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.525274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.525274][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.525274][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.525274][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.525274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.525274][ T10] [ 1114.526974][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1114.527241][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1114.527241][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.527241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.527241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.527241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.527241][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.527241][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.527241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.527241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.527241][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.527241][ T10] netlink_unicast+0x449/0x710 [ 1114.527241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.527241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.527241][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.527241][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.527241][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.527241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.527241][ T10] [ 1114.529242][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1114.529242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.529242][ T10] ipv6_find_idev+0x102/0x170 [ 1114.529242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.529242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.529242][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.529242][ T10] netlink_unicast+0x449/0x710 [ 1114.529242][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.529242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.529242][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.529242][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.529242][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.529242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.529242][ T10] [ 1114.530790][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1114.530790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.530790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.530790][ T10] ipv6_find_idev+0x102/0x170 [ 1114.530790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.530790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.530790][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.530790][ T10] netlink_unicast+0x449/0x710 [ 1114.530790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.530790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.530790][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.530790][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.530790][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.530790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.530790][ T10] [ 1114.532894][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1114.533485][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1114.533485][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.533485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.533485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.533485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.533485][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.533485][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.533485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.533485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.533485][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.533485][ T10] netlink_unicast+0x449/0x710 [ 1114.533485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.533485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.533485][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.533485][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.533485][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.533485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.533485][ T10] [ 1114.535484][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1114.535484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.535484][ T10] ipv6_find_idev+0x102/0x170 [ 1114.535484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.535484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.535484][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.535484][ T10] netlink_unicast+0x449/0x710 [ 1114.535484][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.535484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.535484][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.535484][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.535484][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.535484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.535484][ T10] [ 1114.537027][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1114.537027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.537027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.537027][ T10] ipv6_find_idev+0x102/0x170 [ 1114.537027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.537027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.537027][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.537027][ T10] netlink_unicast+0x449/0x710 [ 1114.537027][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.537027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.537027][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.537027][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.537027][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.537027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.537027][ T10] [ 1114.538708][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1114.539033][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1114.539033][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.539033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.539033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.539033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.539033][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.539033][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.539033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.539033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.539033][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.539033][ T10] netlink_unicast+0x449/0x710 [ 1114.539033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.539033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.539033][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.539033][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.539033][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.539033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.539033][ T10] [ 1114.541029][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1114.541029][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.541029][ T10] ipv6_find_idev+0x102/0x170 [ 1114.541029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.541029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.541029][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.541029][ T10] netlink_unicast+0x449/0x710 [ 1114.541029][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.541029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.541029][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.541029][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.541029][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.541029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.541029][ T10] [ 1114.542568][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1114.542568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.542568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.542568][ T10] ipv6_find_idev+0x102/0x170 [ 1114.542568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.542568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.542568][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.542568][ T10] netlink_unicast+0x449/0x710 [ 1114.542568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.542568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.542568][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.542568][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.542568][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.542568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.542568][ T10] [ 1114.544477][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1114.544792][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1114.544792][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.544792][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.544792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.544792][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.544792][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.544792][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.544792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.544792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.544792][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.544792][ T10] netlink_unicast+0x449/0x710 [ 1114.544792][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.544792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.544792][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.544792][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.544792][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.544792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.544792][ T10] [ 1114.547041][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1114.547041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.547041][ T10] ipv6_find_idev+0x102/0x170 [ 1114.547041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.547041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.547041][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.547041][ T10] netlink_unicast+0x449/0x710 [ 1114.547041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.547041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.547041][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.547041][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.547041][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.547041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.547041][ T10] [ 1114.548764][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1114.548764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.548764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.548764][ T10] ipv6_find_idev+0x102/0x170 [ 1114.548764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.548764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.548764][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.548764][ T10] netlink_unicast+0x449/0x710 [ 1114.548764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.548764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.548764][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.548764][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.548764][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.548764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.548764][ T10] [ 1114.550749][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1114.551068][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1114.551068][ T10] netdev_get_by_index+0x5e/0x80 [ 1114.551068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1114.551068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1114.551068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1114.551068][ T10] ipv6_add_addr+0x411/0x2000 [ 1114.551068][ T10] inet6_addr_add+0x30e/0xa40 [ 1114.551068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.551068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.551068][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.551068][ T10] netlink_unicast+0x449/0x710 [ 1114.551068][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.551068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.551068][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.551068][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.551068][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.551068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.551068][ T10] [ 1114.553246][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1114.553246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1114.553246][ T10] ipv6_find_idev+0x102/0x170 [ 1114.553246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.553246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.553246][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.553246][ T10] netlink_unicast+0x449/0x710 [ 1114.553246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.553246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.553246][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.553246][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.553246][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.553246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.553246][ T10] [ 1114.554971][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1114.554971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1114.554971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1114.554971][ T10] ipv6_find_idev+0x102/0x170 [ 1114.554971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.554971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.554971][ T10] netlink_rcv_skb+0x130/0x360 [ 1114.554971][ T10] netlink_unicast+0x449/0x710 [ 1114.554971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1114.554971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1114.554971][ T10] ___sys_sendmsg+0xee/0x170 [ 1114.554971][ T10] __sys_sendmsg+0xcd/0x170 [ 1114.554971][ T10] do_syscall_64+0xc6/0x1e0 [ 1114.554971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.554971][ T10] [ 1124.797934][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1124.798435][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1124.798435][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.798435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.798435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.798435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.798435][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.798435][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.798435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.798435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.798435][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.798435][ T10] netlink_unicast+0x449/0x710 [ 1124.798435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.798435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.798435][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.798435][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.798435][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.798435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.798435][ T10] [ 1124.800486][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1124.800486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.800486][ T10] ipv6_find_idev+0x102/0x170 [ 1124.800486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.800486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.800486][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.800486][ T10] netlink_unicast+0x449/0x710 [ 1124.800486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.800486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.800486][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.800486][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.800486][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.800486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.800486][ T10] [ 1124.802033][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1124.802033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.802033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.802033][ T10] ipv6_find_idev+0x102/0x170 [ 1124.802033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.802033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.802033][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.802033][ T10] netlink_unicast+0x449/0x710 [ 1124.802033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.802033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.802033][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.802033][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.802033][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.802033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.802033][ T10] [ 1124.803755][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1124.804052][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1124.804052][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.804052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.804052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.804052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.804052][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.804052][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.804052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.804052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.804052][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.804052][ T10] netlink_unicast+0x449/0x710 [ 1124.804052][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.804052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.804052][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.804052][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.804052][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.804052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.804052][ T10] [ 1124.806049][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1124.806049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.806049][ T10] ipv6_find_idev+0x102/0x170 [ 1124.806049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.806049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.806049][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.806049][ T10] netlink_unicast+0x449/0x710 [ 1124.806049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.806049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.806049][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.806049][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.806049][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.806049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.806049][ T10] [ 1124.807615][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1124.807615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.807615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.807615][ T10] ipv6_find_idev+0x102/0x170 [ 1124.807615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.807615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.807615][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.807615][ T10] netlink_unicast+0x449/0x710 [ 1124.807615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.807615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.807615][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.807615][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.807615][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.807615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.807615][ T10] [ 1124.809321][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1124.809588][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1124.809588][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.809588][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.809588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.809588][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.809588][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.809588][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.809588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.809588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.809588][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.809588][ T10] netlink_unicast+0x449/0x710 [ 1124.809588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.809588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.809588][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.809588][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.809588][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.809588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.809588][ T10] [ 1124.811591][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1124.811591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.811591][ T10] ipv6_find_idev+0x102/0x170 [ 1124.811591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.811591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.811591][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.811591][ T10] netlink_unicast+0x449/0x710 [ 1124.811591][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.811591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.811591][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.811591][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.811591][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.811591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.811591][ T10] [ 1124.813132][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1124.813132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.813132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.813132][ T10] ipv6_find_idev+0x102/0x170 [ 1124.813132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.813132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.813132][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.813132][ T10] netlink_unicast+0x449/0x710 [ 1124.813132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.813132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.813132][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.813132][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.813132][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.813132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.813132][ T10] [ 1124.814822][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1124.815091][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1124.815091][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.815091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.815091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.815091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.815091][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.815091][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.815091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.815091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.815091][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.815091][ T10] netlink_unicast+0x449/0x710 [ 1124.815091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.815091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.815091][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.815091][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.815091][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.815091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.815091][ T10] [ 1124.817112][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1124.817112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.817112][ T10] ipv6_find_idev+0x102/0x170 [ 1124.817112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.817112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.817112][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.817112][ T10] netlink_unicast+0x449/0x710 [ 1124.817112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.817112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.817112][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.817112][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.817112][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.817112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.817112][ T10] [ 1124.818659][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1124.818659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.818659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.818659][ T10] ipv6_find_idev+0x102/0x170 [ 1124.818659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.818659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.818659][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.818659][ T10] netlink_unicast+0x449/0x710 [ 1124.818659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.818659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.818659][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.818659][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.818659][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.818659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.818659][ T10] [ 1124.820753][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1124.821363][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1124.821363][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.821363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.821363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.821363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.821363][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.821363][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.821363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.821363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.821363][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.821363][ T10] netlink_unicast+0x449/0x710 [ 1124.821363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.821363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.821363][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.821363][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.821363][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.821363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.821363][ T10] [ 1124.823374][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1124.823374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.823374][ T10] ipv6_find_idev+0x102/0x170 [ 1124.823374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.823374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.823374][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.823374][ T10] netlink_unicast+0x449/0x710 [ 1124.823374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.823374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.823374][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.823374][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.823374][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.823374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.823374][ T10] [ 1124.824917][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1124.824917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.824917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.824917][ T10] ipv6_find_idev+0x102/0x170 [ 1124.824917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.824917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.824917][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.824917][ T10] netlink_unicast+0x449/0x710 [ 1124.824917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.824917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.824917][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.824917][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.824917][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.824917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.824917][ T10] [ 1124.826622][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1124.826948][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1124.826948][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.826948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.826948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.826948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.826948][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.826948][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.826948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.826948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.826948][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.826948][ T10] netlink_unicast+0x449/0x710 [ 1124.826948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.826948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.826948][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.826948][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.826948][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.826948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.826948][ T10] [ 1124.828948][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1124.828948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.828948][ T10] ipv6_find_idev+0x102/0x170 [ 1124.828948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.828948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.828948][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.828948][ T10] netlink_unicast+0x449/0x710 [ 1124.828948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.828948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.828948][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.828948][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.828948][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.828948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.828948][ T10] [ 1124.830501][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1124.830501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.830501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.830501][ T10] ipv6_find_idev+0x102/0x170 [ 1124.830501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.830501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.830501][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.830501][ T10] netlink_unicast+0x449/0x710 [ 1124.830501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.830501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.830501][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.830501][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.830501][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.830501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.830501][ T10] [ 1124.832411][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1124.832723][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1124.832723][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.832723][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.832723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.832723][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.832723][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.832723][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.832723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.832723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.832723][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.832723][ T10] netlink_unicast+0x449/0x710 [ 1124.832723][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.832723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.832723][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.832723][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.832723][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.832723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.832723][ T10] [ 1124.834963][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1124.834963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.834963][ T10] ipv6_find_idev+0x102/0x170 [ 1124.834963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.834963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.834963][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.834963][ T10] netlink_unicast+0x449/0x710 [ 1124.834963][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.834963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.834963][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.834963][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.834963][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.834963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.834963][ T10] [ 1124.836707][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1124.836707][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.836707][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.836707][ T10] ipv6_find_idev+0x102/0x170 [ 1124.836707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.836707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.836707][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.836707][ T10] netlink_unicast+0x449/0x710 [ 1124.836707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.836707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.836707][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.836707][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.836707][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.836707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.836707][ T10] [ 1124.838612][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1124.838927][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1124.838927][ T10] netdev_get_by_index+0x5e/0x80 [ 1124.838927][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1124.838927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1124.838927][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1124.838927][ T10] ipv6_add_addr+0x411/0x2000 [ 1124.838927][ T10] inet6_addr_add+0x30e/0xa40 [ 1124.838927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.838927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.838927][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.838927][ T10] netlink_unicast+0x449/0x710 [ 1124.838927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.838927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.838927][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.838927][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.838927][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.838927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.838927][ T10] [ 1124.841116][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1124.841116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1124.841116][ T10] ipv6_find_idev+0x102/0x170 [ 1124.841116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.841116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.841116][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.841116][ T10] netlink_unicast+0x449/0x710 [ 1124.841116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.841116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.841116][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.841116][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.841116][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.841116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.841116][ T10] [ 1124.842846][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1124.842846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1124.842846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1124.842846][ T10] ipv6_find_idev+0x102/0x170 [ 1124.842846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.842846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.842846][ T10] netlink_rcv_skb+0x130/0x360 [ 1124.842846][ T10] netlink_unicast+0x449/0x710 [ 1124.842846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1124.842846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1124.842846][ T10] ___sys_sendmsg+0xee/0x170 [ 1124.842846][ T10] __sys_sendmsg+0xcd/0x170 [ 1124.842846][ T10] do_syscall_64+0xc6/0x1e0 [ 1124.842846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.842846][ T10] [ 1135.085914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1135.086463][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1135.086463][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.086463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.086463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.086463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.086463][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.086463][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.086463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.086463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.086463][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.086463][ T10] netlink_unicast+0x449/0x710 [ 1135.086463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.086463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.086463][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.086463][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.086463][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.086463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.086463][ T10] [ 1135.088487][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1135.088487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.088487][ T10] ipv6_find_idev+0x102/0x170 [ 1135.088487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.088487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.088487][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.088487][ T10] netlink_unicast+0x449/0x710 [ 1135.088487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.088487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.088487][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.088487][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.088487][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.088487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.088487][ T10] [ 1135.090034][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1135.090034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.090034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.090034][ T10] ipv6_find_idev+0x102/0x170 [ 1135.090034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.090034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.090034][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.090034][ T10] netlink_unicast+0x449/0x710 [ 1135.090034][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.090034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.090034][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.090034][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.090034][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.090034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.090034][ T10] [ 1135.091760][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1135.092060][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1135.092060][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.092060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.092060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.092060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.092060][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.092060][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.092060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.092060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.092060][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.092060][ T10] netlink_unicast+0x449/0x710 [ 1135.092060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.092060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.092060][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.092060][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.092060][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.092060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.092060][ T10] [ 1135.094061][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1135.094061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.094061][ T10] ipv6_find_idev+0x102/0x170 [ 1135.094061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.094061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.094061][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.094061][ T10] netlink_unicast+0x449/0x710 [ 1135.094061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.094061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.094061][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.094061][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.094061][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.094061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.094061][ T10] [ 1135.095605][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1135.095605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.095605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.095605][ T10] ipv6_find_idev+0x102/0x170 [ 1135.095605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.095605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.095605][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.095605][ T10] netlink_unicast+0x449/0x710 [ 1135.095605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.095605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.095605][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.095605][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.095605][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.095605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.095605][ T10] [ 1135.097321][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1135.097587][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1135.097587][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.097587][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.097587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.097587][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.097587][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.097587][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.097587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.097587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.097587][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.097587][ T10] netlink_unicast+0x449/0x710 [ 1135.097587][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.097587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.097587][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.097587][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.097587][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.097587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.097587][ T10] [ 1135.099709][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1135.099709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.099709][ T10] ipv6_find_idev+0x102/0x170 [ 1135.099709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.099709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.099709][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.099709][ T10] netlink_unicast+0x449/0x710 [ 1135.099709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.099709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.099709][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.099709][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.099709][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.099709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.099709][ T10] [ 1135.101262][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1135.101262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.101262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.101262][ T10] ipv6_find_idev+0x102/0x170 [ 1135.101262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.101262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.101262][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.101262][ T10] netlink_unicast+0x449/0x710 [ 1135.101262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.101262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.101262][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.101262][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.101262][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.101262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.101262][ T10] [ 1135.102963][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1135.103231][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1135.103231][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.103231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.103231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.103231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.103231][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.103231][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.103231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.103231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.103231][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.103231][ T10] netlink_unicast+0x449/0x710 [ 1135.103231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.103231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.103231][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.103231][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.103231][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.103231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.103231][ T10] [ 1135.105235][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1135.105235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.105235][ T10] ipv6_find_idev+0x102/0x170 [ 1135.105235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.105235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.105235][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.105235][ T10] netlink_unicast+0x449/0x710 [ 1135.105235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.105235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.105235][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.105235][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.105235][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.105235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.105235][ T10] [ 1135.106795][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1135.106795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.106795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.106795][ T10] ipv6_find_idev+0x102/0x170 [ 1135.106795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.106795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.106795][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.106795][ T10] netlink_unicast+0x449/0x710 [ 1135.106795][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.106795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.106795][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.106795][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.106795][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.106795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.106795][ T10] [ 1135.108928][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1135.109547][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1135.109547][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.109547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.109547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.109547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.109547][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.109547][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.109547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.109547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.109547][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.109547][ T10] netlink_unicast+0x449/0x710 [ 1135.109547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.109547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.109547][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.109547][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.109547][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.109547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.109547][ T10] [ 1135.111550][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1135.111550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.111550][ T10] ipv6_find_idev+0x102/0x170 [ 1135.111550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.111550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.111550][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.111550][ T10] netlink_unicast+0x449/0x710 [ 1135.111550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.111550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.111550][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.111550][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.111550][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.111550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.111550][ T10] [ 1135.113090][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1135.113090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.113090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.113090][ T10] ipv6_find_idev+0x102/0x170 [ 1135.113090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.113090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.113090][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.113090][ T10] netlink_unicast+0x449/0x710 [ 1135.113090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.113090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.113090][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.113090][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.113090][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.113090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.113090][ T10] [ 1135.114790][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1135.115060][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1135.115060][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.115060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.115060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.115060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.115060][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.115060][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.115060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.115060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.115060][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.115060][ T10] netlink_unicast+0x449/0x710 [ 1135.115060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.115060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.115060][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.115060][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.115060][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.115060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.115060][ T10] [ 1135.117086][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1135.117086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.117086][ T10] ipv6_find_idev+0x102/0x170 [ 1135.117086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.117086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.117086][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.117086][ T10] netlink_unicast+0x449/0x710 [ 1135.117086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.117086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.117086][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.117086][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.117086][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.117086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.117086][ T10] [ 1135.119217][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1135.119217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.119217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.119217][ T10] ipv6_find_idev+0x102/0x170 [ 1135.119217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.119217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.119217][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.119217][ T10] netlink_unicast+0x449/0x710 [ 1135.119217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.119217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.119217][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.119217][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.119217][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.119217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.119217][ T10] [ 1135.121203][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1135.121522][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1135.121522][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.121522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.121522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.121522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.121522][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.121522][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.121522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.121522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.121522][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.121522][ T10] netlink_unicast+0x449/0x710 [ 1135.121522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.121522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.121522][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.121522][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.121522][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.121522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.121522][ T10] [ 1135.123696][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1135.123696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.123696][ T10] ipv6_find_idev+0x102/0x170 [ 1135.123696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.123696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.123696][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.123696][ T10] netlink_unicast+0x449/0x710 [ 1135.123696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.123696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.123696][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.123696][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.123696][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.123696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.123696][ T10] [ 1135.125415][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1135.125415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.125415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.125415][ T10] ipv6_find_idev+0x102/0x170 [ 1135.125415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.125415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.125415][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.125415][ T10] netlink_unicast+0x449/0x710 [ 1135.125415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.125415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.125415][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.125415][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.125415][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.125415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.125415][ T10] [ 1135.127336][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1135.127643][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1135.127643][ T10] netdev_get_by_index+0x5e/0x80 [ 1135.127643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1135.127643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1135.127643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1135.127643][ T10] ipv6_add_addr+0x411/0x2000 [ 1135.127643][ T10] inet6_addr_add+0x30e/0xa40 [ 1135.127643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.127643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.127643][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.127643][ T10] netlink_unicast+0x449/0x710 [ 1135.127643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.127643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.127643][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.127643][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.127643][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.127643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.127643][ T10] [ 1135.129834][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1135.129834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1135.129834][ T10] ipv6_find_idev+0x102/0x170 [ 1135.129834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.129834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.129834][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.129834][ T10] netlink_unicast+0x449/0x710 [ 1135.129834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.129834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.129834][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.129834][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.129834][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.129834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.129834][ T10] [ 1135.131556][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1135.131556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1135.131556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1135.131556][ T10] ipv6_find_idev+0x102/0x170 [ 1135.131556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.131556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.131556][ T10] netlink_rcv_skb+0x130/0x360 [ 1135.131556][ T10] netlink_unicast+0x449/0x710 [ 1135.131556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1135.131556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1135.131556][ T10] ___sys_sendmsg+0xee/0x170 [ 1135.131556][ T10] __sys_sendmsg+0xcd/0x170 [ 1135.131556][ T10] do_syscall_64+0xc6/0x1e0 [ 1135.131556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.131556][ T10] [ 1145.237918][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1145.238425][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1145.238425][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.238425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.238425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.238425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.238425][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.238425][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.238425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.238425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.238425][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.238425][ T10] netlink_unicast+0x449/0x710 [ 1145.238425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.238425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.238425][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.238425][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.238425][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.238425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.238425][ T10] [ 1145.240833][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1145.240833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.240833][ T10] ipv6_find_idev+0x102/0x170 [ 1145.240833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.240833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.240833][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.240833][ T10] netlink_unicast+0x449/0x710 [ 1145.240833][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.240833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.240833][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.240833][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.240833][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.240833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.240833][ T10] [ 1145.242383][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1145.242383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.242383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.242383][ T10] ipv6_find_idev+0x102/0x170 [ 1145.242383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.242383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.242383][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.242383][ T10] netlink_unicast+0x449/0x710 [ 1145.242383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.242383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.242383][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.242383][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.242383][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.242383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.242383][ T10] [ 1145.244106][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1145.244381][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1145.244381][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.244381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.244381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.244381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.244381][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.244381][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.244381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.244381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.244381][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.244381][ T10] netlink_unicast+0x449/0x710 [ 1145.244381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.244381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.244381][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.244381][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.244381][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.244381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.244381][ T10] [ 1145.246394][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1145.246394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.246394][ T10] ipv6_find_idev+0x102/0x170 [ 1145.246394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.246394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.246394][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.246394][ T10] netlink_unicast+0x449/0x710 [ 1145.246394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.246394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.246394][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.246394][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.246394][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.246394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.246394][ T10] [ 1145.247951][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1145.247951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.247951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.247951][ T10] ipv6_find_idev+0x102/0x170 [ 1145.247951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.247951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.247951][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.247951][ T10] netlink_unicast+0x449/0x710 [ 1145.247951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.247951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.247951][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.247951][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.247951][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.247951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.247951][ T10] [ 1145.249654][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1145.249932][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1145.249932][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.249932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.249932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.249932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.249932][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.249932][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.249932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.249932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.249932][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.249932][ T10] netlink_unicast+0x449/0x710 [ 1145.249932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.249932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.249932][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.249932][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.249932][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.249932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.249932][ T10] [ 1145.251939][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1145.251939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.251939][ T10] ipv6_find_idev+0x102/0x170 [ 1145.251939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.251939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.251939][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.251939][ T10] netlink_unicast+0x449/0x710 [ 1145.251939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.251939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.251939][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.251939][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.251939][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.251939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.251939][ T10] [ 1145.253482][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1145.253482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.253482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.253482][ T10] ipv6_find_idev+0x102/0x170 [ 1145.253482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.253482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.253482][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.253482][ T10] netlink_unicast+0x449/0x710 [ 1145.253482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.253482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.253482][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.253482][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.253482][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.253482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.253482][ T10] [ 1145.255183][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1145.255455][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1145.255455][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.255455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.255455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.255455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.255455][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.255455][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.255455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.255455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.255455][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.255455][ T10] netlink_unicast+0x449/0x710 [ 1145.255455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.255455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.255455][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.255455][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.255455][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.255455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.255455][ T10] [ 1145.257465][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1145.257465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.257465][ T10] ipv6_find_idev+0x102/0x170 [ 1145.257465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.257465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.257465][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.257465][ T10] netlink_unicast+0x449/0x710 [ 1145.257465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.257465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.257465][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.257465][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.257465][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.257465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.257465][ T10] [ 1145.259015][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1145.259015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.259015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.259015][ T10] ipv6_find_idev+0x102/0x170 [ 1145.259015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.259015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.259015][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.259015][ T10] netlink_unicast+0x449/0x710 [ 1145.259015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.259015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.259015][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.259015][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.259015][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.259015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.259015][ T10] [ 1145.260760][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1145.261081][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1145.261081][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.261081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.261081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.261081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.261081][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.261081][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.261081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.261081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.261081][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.261081][ T10] netlink_unicast+0x449/0x710 [ 1145.261081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.261081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.261081][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.261081][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.261081][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.261081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.261081][ T10] [ 1145.263094][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1145.263094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.263094][ T10] ipv6_find_idev+0x102/0x170 [ 1145.263094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.263094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.263094][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.263094][ T10] netlink_unicast+0x449/0x710 [ 1145.263094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.263094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.263094][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.263094][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.263094][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.263094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.263094][ T10] [ 1145.264654][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1145.264654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.264654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.264654][ T10] ipv6_find_idev+0x102/0x170 [ 1145.264654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.264654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.264654][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.264654][ T10] netlink_unicast+0x449/0x710 [ 1145.264654][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.264654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.264654][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.264654][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.264654][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.264654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.264654][ T10] [ 1145.266620][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1145.266956][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1145.266956][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.266956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.266956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.266956][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.266956][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.266956][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.266956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.266956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.266956][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.266956][ T10] netlink_unicast+0x449/0x710 [ 1145.266956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.266956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.266956][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.266956][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.266956][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.266956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.266956][ T10] [ 1145.269149][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1145.269149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.269149][ T10] ipv6_find_idev+0x102/0x170 [ 1145.269149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.269149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.269149][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.269149][ T10] netlink_unicast+0x449/0x710 [ 1145.269149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.269149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.269149][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.269149][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.269149][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.269149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.269149][ T10] [ 1145.270933][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1145.270933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.270933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.270933][ T10] ipv6_find_idev+0x102/0x170 [ 1145.270933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.270933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.270933][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.270933][ T10] netlink_unicast+0x449/0x710 [ 1145.270933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.270933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.270933][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.270933][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.270933][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.270933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.270933][ T10] [ 1145.272895][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1145.273213][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1145.273213][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.273213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.273213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.273213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.273213][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.273213][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.273213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.273213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.273213][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.273213][ T10] netlink_unicast+0x449/0x710 [ 1145.273213][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.273213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.273213][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.273213][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.273213][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.273213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.273213][ T10] [ 1145.275404][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1145.275404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.275404][ T10] ipv6_find_idev+0x102/0x170 [ 1145.275404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.275404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.275404][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.275404][ T10] netlink_unicast+0x449/0x710 [ 1145.275404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.275404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.275404][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.275404][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.275404][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.275404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.275404][ T10] [ 1145.277135][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1145.277135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.277135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.277135][ T10] ipv6_find_idev+0x102/0x170 [ 1145.277135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.277135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.277135][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.277135][ T10] netlink_unicast+0x449/0x710 [ 1145.277135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.277135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.277135][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.277135][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.277135][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.277135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.277135][ T10] [ 1145.279051][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1145.279365][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1145.279365][ T10] netdev_get_by_index+0x5e/0x80 [ 1145.279365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1145.279365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1145.279365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1145.279365][ T10] ipv6_add_addr+0x411/0x2000 [ 1145.279365][ T10] inet6_addr_add+0x30e/0xa40 [ 1145.279365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.279365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.279365][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.279365][ T10] netlink_unicast+0x449/0x710 [ 1145.279365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.279365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.279365][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.279365][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.279365][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.279365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.279365][ T10] [ 1145.281606][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1145.281606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1145.281606][ T10] ipv6_find_idev+0x102/0x170 [ 1145.281606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.281606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.281606][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.281606][ T10] netlink_unicast+0x449/0x710 [ 1145.281606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.281606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.281606][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.281606][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.281606][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.281606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.281606][ T10] [ 1145.283338][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1145.283338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1145.283338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1145.283338][ T10] ipv6_find_idev+0x102/0x170 [ 1145.283338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.283338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.283338][ T10] netlink_rcv_skb+0x130/0x360 [ 1145.283338][ T10] netlink_unicast+0x449/0x710 [ 1145.283338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1145.283338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1145.283338][ T10] ___sys_sendmsg+0xee/0x170 [ 1145.283338][ T10] __sys_sendmsg+0xcd/0x170 [ 1145.283338][ T10] do_syscall_64+0xc6/0x1e0 [ 1145.283338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.283338][ T10] [ 1155.285920][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1155.286373][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1155.286373][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.286373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.286373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.286373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.286373][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.286373][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.286373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.286373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.286373][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.286373][ T10] netlink_unicast+0x449/0x710 [ 1155.286373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.286373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.286373][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.286373][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.286373][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.286373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.286373][ T10] [ 1155.288601][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1155.288601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.288601][ T10] ipv6_find_idev+0x102/0x170 [ 1155.288601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.288601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.288601][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.288601][ T10] netlink_unicast+0x449/0x710 [ 1155.288601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.288601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.288601][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.288601][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.288601][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.288601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.288601][ T10] [ 1155.290213][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1155.290213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.290213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.290213][ T10] ipv6_find_idev+0x102/0x170 [ 1155.290213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.290213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.290213][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.290213][ T10] netlink_unicast+0x449/0x710 [ 1155.290213][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.290213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.290213][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.290213][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.290213][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.290213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.290213][ T10] [ 1155.291965][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1155.292231][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1155.292231][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.292231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.292231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.292231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.292231][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.292231][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.292231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.292231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.292231][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.292231][ T10] netlink_unicast+0x449/0x710 [ 1155.292231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.292231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.292231][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.292231][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.292231][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.292231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.292231][ T10] [ 1155.294252][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1155.294252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.294252][ T10] ipv6_find_idev+0x102/0x170 [ 1155.294252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.294252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.294252][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.294252][ T10] netlink_unicast+0x449/0x710 [ 1155.294252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.294252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.294252][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.294252][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.294252][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.294252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.294252][ T10] [ 1155.295873][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1155.295873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.295873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.295873][ T10] ipv6_find_idev+0x102/0x170 [ 1155.295873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.295873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.295873][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.295873][ T10] netlink_unicast+0x449/0x710 [ 1155.295873][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.295873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.295873][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.295873][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.295873][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.295873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.295873][ T10] [ 1155.297555][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1155.297838][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1155.297838][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.297838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.297838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.297838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.297838][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.297838][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.297838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.297838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.297838][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.297838][ T10] netlink_unicast+0x449/0x710 [ 1155.297838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.297838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.297838][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.297838][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.297838][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.297838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.297838][ T10] [ 1155.299813][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1155.299813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.299813][ T10] ipv6_find_idev+0x102/0x170 [ 1155.299813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.299813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.299813][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.299813][ T10] netlink_unicast+0x449/0x710 [ 1155.299813][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.299813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.299813][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.299813][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.299813][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.299813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.299813][ T10] [ 1155.301335][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1155.301335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.301335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.301335][ T10] ipv6_find_idev+0x102/0x170 [ 1155.301335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.301335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.301335][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.301335][ T10] netlink_unicast+0x449/0x710 [ 1155.301335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.301335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.301335][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.301335][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.301335][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.301335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.301335][ T10] [ 1155.303017][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1155.303280][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1155.303280][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.303280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.303280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.303280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.303280][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.303280][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.303280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.303280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.303280][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.303280][ T10] netlink_unicast+0x449/0x710 [ 1155.303280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.303280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.303280][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.303280][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.303280][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.303280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.303280][ T10] [ 1155.305253][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1155.305253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.305253][ T10] ipv6_find_idev+0x102/0x170 [ 1155.305253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.305253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.305253][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.305253][ T10] netlink_unicast+0x449/0x710 [ 1155.305253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.305253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.305253][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.305253][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.305253][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.305253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.305253][ T10] [ 1155.306778][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1155.306778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.306778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.306778][ T10] ipv6_find_idev+0x102/0x170 [ 1155.306778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.306778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.306778][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.306778][ T10] netlink_unicast+0x449/0x710 [ 1155.306778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.306778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.306778][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.306778][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.306778][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.306778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.306778][ T10] [ 1155.308489][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1155.308747][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1155.308747][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.308747][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.308747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.308747][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.308747][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.308747][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.308747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.308747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.308747][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.308747][ T10] netlink_unicast+0x449/0x710 [ 1155.308747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.308747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.308747][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.308747][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.308747][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.308747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.308747][ T10] [ 1155.310720][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1155.310720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.310720][ T10] ipv6_find_idev+0x102/0x170 [ 1155.310720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.310720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.310720][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.310720][ T10] netlink_unicast+0x449/0x710 [ 1155.310720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.310720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.310720][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.310720][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.310720][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.310720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.310720][ T10] [ 1155.312302][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1155.312302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.312302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.312302][ T10] ipv6_find_idev+0x102/0x170 [ 1155.312302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.312302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.312302][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.312302][ T10] netlink_unicast+0x449/0x710 [ 1155.312302][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.312302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.312302][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.312302][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.312302][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.312302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.312302][ T10] [ 1155.314240][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1155.314504][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1155.314504][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.314504][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.314504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.314504][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.314504][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.314504][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.314504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.314504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.314504][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.314504][ T10] netlink_unicast+0x449/0x710 [ 1155.314504][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.314504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.314504][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.314504][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.314504][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.314504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.314504][ T10] [ 1155.316758][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1155.316758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.316758][ T10] ipv6_find_idev+0x102/0x170 [ 1155.316758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.316758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.316758][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.316758][ T10] netlink_unicast+0x449/0x710 [ 1155.316758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.316758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.316758][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.316758][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.316758][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.316758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.316758][ T10] [ 1155.318497][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1155.318497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.318497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.318497][ T10] ipv6_find_idev+0x102/0x170 [ 1155.318497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.318497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.318497][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.318497][ T10] netlink_unicast+0x449/0x710 [ 1155.318497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.318497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.318497][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.318497][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.318497][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.318497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.318497][ T10] [ 1155.320396][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1155.320662][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1155.320662][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.320662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.320662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.320662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.320662][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.320662][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.320662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.320662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.320662][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.320662][ T10] netlink_unicast+0x449/0x710 [ 1155.320662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.320662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.320662][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.320662][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.320662][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.320662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.320662][ T10] [ 1155.322816][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1155.322816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.322816][ T10] ipv6_find_idev+0x102/0x170 [ 1155.322816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.322816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.322816][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.322816][ T10] netlink_unicast+0x449/0x710 [ 1155.322816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.322816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.322816][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.322816][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.322816][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.322816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.322816][ T10] [ 1155.324573][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1155.324573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.324573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.324573][ T10] ipv6_find_idev+0x102/0x170 [ 1155.324573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.324573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.324573][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.324573][ T10] netlink_unicast+0x449/0x710 [ 1155.324573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.324573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.324573][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.324573][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.324573][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.324573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.324573][ T10] [ 1155.326530][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1155.326802][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1155.326802][ T10] netdev_get_by_index+0x5e/0x80 [ 1155.326802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1155.326802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1155.326802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1155.326802][ T10] ipv6_add_addr+0x411/0x2000 [ 1155.326802][ T10] inet6_addr_add+0x30e/0xa40 [ 1155.326802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.326802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.326802][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.326802][ T10] netlink_unicast+0x449/0x710 [ 1155.326802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.326802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.326802][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.326802][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.326802][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.326802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.326802][ T10] [ 1155.328960][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1155.328960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1155.328960][ T10] ipv6_find_idev+0x102/0x170 [ 1155.328960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.328960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.328960][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.328960][ T10] netlink_unicast+0x449/0x710 [ 1155.328960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.328960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.328960][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.328960][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.328960][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.328960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.328960][ T10] [ 1155.330660][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1155.330660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1155.330660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1155.330660][ T10] ipv6_find_idev+0x102/0x170 [ 1155.330660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.330660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.330660][ T10] netlink_rcv_skb+0x130/0x360 [ 1155.330660][ T10] netlink_unicast+0x449/0x710 [ 1155.330660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1155.330660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1155.330660][ T10] ___sys_sendmsg+0xee/0x170 [ 1155.330660][ T10] __sys_sendmsg+0xcd/0x170 [ 1155.330660][ T10] do_syscall_64+0xc6/0x1e0 [ 1155.330660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.330660][ T10] [ 1165.334029][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1165.334540][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1165.334540][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.334540][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.334540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.334540][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.334540][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.334540][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.334540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.334540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.334540][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.334540][ T10] netlink_unicast+0x449/0x710 [ 1165.334540][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.334540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.334540][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.334540][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.334540][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.334540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.334540][ T10] [ 1165.336615][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1165.336615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.336615][ T10] ipv6_find_idev+0x102/0x170 [ 1165.336615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.336615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.336615][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.336615][ T10] netlink_unicast+0x449/0x710 [ 1165.336615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.336615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.336615][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.336615][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.336615][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.336615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.336615][ T10] [ 1165.338165][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1165.338165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.338165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.338165][ T10] ipv6_find_idev+0x102/0x170 [ 1165.338165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.338165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.338165][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.338165][ T10] netlink_unicast+0x449/0x710 [ 1165.338165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.338165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.338165][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.338165][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.338165][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.338165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.338165][ T10] [ 1165.339869][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1165.340140][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1165.340140][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.340140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.340140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.340140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.340140][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.340140][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.340140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.340140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.340140][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.340140][ T10] netlink_unicast+0x449/0x710 [ 1165.340140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.340140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.340140][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.340140][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.340140][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.340140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.340140][ T10] [ 1165.342156][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1165.342156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.342156][ T10] ipv6_find_idev+0x102/0x170 [ 1165.342156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.342156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.342156][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.342156][ T10] netlink_unicast+0x449/0x710 [ 1165.342156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.342156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.342156][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.342156][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.342156][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.342156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.342156][ T10] [ 1165.343708][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1165.343708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.343708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.343708][ T10] ipv6_find_idev+0x102/0x170 [ 1165.343708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.343708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.343708][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.343708][ T10] netlink_unicast+0x449/0x710 [ 1165.343708][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.343708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.343708][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.343708][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.343708][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.343708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.343708][ T10] [ 1165.345405][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1165.345685][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1165.345685][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.345685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.345685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.345685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.345685][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.345685][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.345685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.345685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.345685][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.345685][ T10] netlink_unicast+0x449/0x710 [ 1165.345685][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.345685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.345685][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.345685][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.345685][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.345685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.345685][ T10] [ 1165.347699][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1165.347699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.347699][ T10] ipv6_find_idev+0x102/0x170 [ 1165.347699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.347699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.347699][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.347699][ T10] netlink_unicast+0x449/0x710 [ 1165.347699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.347699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.347699][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.347699][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.347699][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.347699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.347699][ T10] [ 1165.349251][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1165.349251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.349251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.349251][ T10] ipv6_find_idev+0x102/0x170 [ 1165.349251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.349251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.349251][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.349251][ T10] netlink_unicast+0x449/0x710 [ 1165.349251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.349251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.349251][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.349251][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.349251][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.349251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.349251][ T10] [ 1165.350941][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1165.351212][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1165.351212][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.351212][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.351212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.351212][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.351212][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.351212][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.351212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.351212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.351212][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.351212][ T10] netlink_unicast+0x449/0x710 [ 1165.351212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.351212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.351212][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.351212][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.351212][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.351212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.351212][ T10] [ 1165.353222][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1165.353222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.353222][ T10] ipv6_find_idev+0x102/0x170 [ 1165.353222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.353222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.353222][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.353222][ T10] netlink_unicast+0x449/0x710 [ 1165.353222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.353222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.353222][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.353222][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.353222][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.353222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.353222][ T10] [ 1165.354771][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1165.354771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.354771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.354771][ T10] ipv6_find_idev+0x102/0x170 [ 1165.354771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.354771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.354771][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.354771][ T10] netlink_unicast+0x449/0x710 [ 1165.354771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.354771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.354771][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.354771][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.354771][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.354771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.354771][ T10] [ 1165.356891][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1165.357157][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1165.357157][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.357157][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.357157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.357157][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.357157][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.357157][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.357157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.357157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.357157][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.357157][ T10] netlink_unicast+0x449/0x710 [ 1165.357157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.357157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.357157][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.357157][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.357157][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.357157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.357157][ T10] [ 1165.359156][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1165.359156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.359156][ T10] ipv6_find_idev+0x102/0x170 [ 1165.359156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.359156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.359156][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.359156][ T10] netlink_unicast+0x449/0x710 [ 1165.359156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.359156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.359156][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.359156][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.359156][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.359156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.359156][ T10] [ 1165.360695][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1165.360695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.360695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.360695][ T10] ipv6_find_idev+0x102/0x170 [ 1165.360695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.360695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.360695][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.360695][ T10] netlink_unicast+0x449/0x710 [ 1165.360695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.360695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.360695][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.360695][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.360695][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.360695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.360695][ T10] [ 1165.362427][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1165.362695][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1165.362695][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.362695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.362695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.362695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.362695][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.362695][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.362695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.362695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.362695][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.362695][ T10] netlink_unicast+0x449/0x710 [ 1165.362695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.362695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.362695][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.362695][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.362695][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.362695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.362695][ T10] [ 1165.364890][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1165.364890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.364890][ T10] ipv6_find_idev+0x102/0x170 [ 1165.364890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.364890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.364890][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.364890][ T10] netlink_unicast+0x449/0x710 [ 1165.364890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.364890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.364890][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.364890][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.364890][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.364890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.364890][ T10] [ 1165.366621][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1165.366621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.366621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.366621][ T10] ipv6_find_idev+0x102/0x170 [ 1165.366621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.366621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.366621][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.366621][ T10] netlink_unicast+0x449/0x710 [ 1165.366621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.366621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.366621][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.366621][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.366621][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.366621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.366621][ T10] [ 1165.368527][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1165.368803][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1165.368803][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.368803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.368803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.368803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.368803][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.368803][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.368803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.368803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.368803][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.368803][ T10] netlink_unicast+0x449/0x710 [ 1165.368803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.368803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.368803][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.368803][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.368803][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.368803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.368803][ T10] [ 1165.371046][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1165.371046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.371046][ T10] ipv6_find_idev+0x102/0x170 [ 1165.371046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.371046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.371046][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.371046][ T10] netlink_unicast+0x449/0x710 [ 1165.371046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.371046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.371046][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.371046][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.371046][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.371046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.371046][ T10] [ 1165.372778][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1165.372778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.372778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.372778][ T10] ipv6_find_idev+0x102/0x170 [ 1165.372778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.372778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.372778][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.372778][ T10] netlink_unicast+0x449/0x710 [ 1165.372778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.372778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.372778][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.372778][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.372778][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.372778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.372778][ T10] [ 1165.374758][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1165.375085][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1165.375085][ T10] netdev_get_by_index+0x5e/0x80 [ 1165.375085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1165.375085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1165.375085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1165.375085][ T10] ipv6_add_addr+0x411/0x2000 [ 1165.375085][ T10] inet6_addr_add+0x30e/0xa40 [ 1165.375085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.375085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.375085][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.375085][ T10] netlink_unicast+0x449/0x710 [ 1165.375085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.375085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.375085][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.375085][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.375085][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.375085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.375085][ T10] [ 1165.377270][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1165.377270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1165.377270][ T10] ipv6_find_idev+0x102/0x170 [ 1165.377270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.377270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.377270][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.377270][ T10] netlink_unicast+0x449/0x710 [ 1165.377270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.377270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.377270][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.377270][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.377270][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.377270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.377270][ T10] [ 1165.378985][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1165.378985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1165.378985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1165.378985][ T10] ipv6_find_idev+0x102/0x170 [ 1165.378985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.378985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.378985][ T10] netlink_rcv_skb+0x130/0x360 [ 1165.378985][ T10] netlink_unicast+0x449/0x710 [ 1165.378985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1165.378985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1165.378985][ T10] ___sys_sendmsg+0xee/0x170 [ 1165.378985][ T10] __sys_sendmsg+0xcd/0x170 [ 1165.378985][ T10] do_syscall_64+0xc6/0x1e0 [ 1165.378985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.378985][ T10] [ 1175.605874][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1175.606336][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1175.606336][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.606336][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.606336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.606336][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.606336][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.606336][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.606336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.606336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.606336][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.606336][ T10] netlink_unicast+0x449/0x710 [ 1175.606336][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.606336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.606336][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.606336][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.606336][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.606336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.606336][ T10] [ 1175.608356][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1175.608356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.608356][ T10] ipv6_find_idev+0x102/0x170 [ 1175.608356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.608356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.608356][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.608356][ T10] netlink_unicast+0x449/0x710 [ 1175.608356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.608356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.608356][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.608356][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.608356][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.608356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.608356][ T10] [ 1175.609908][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1175.609908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.609908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.609908][ T10] ipv6_find_idev+0x102/0x170 [ 1175.609908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.609908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.609908][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.609908][ T10] netlink_unicast+0x449/0x710 [ 1175.609908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.609908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.609908][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.609908][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.609908][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.609908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.609908][ T10] [ 1175.611628][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1175.611921][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1175.611921][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.611921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.611921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.611921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.611921][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.611921][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.611921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.611921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.611921][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.611921][ T10] netlink_unicast+0x449/0x710 [ 1175.611921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.611921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.611921][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.611921][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.611921][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.611921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.611921][ T10] [ 1175.614320][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1175.614320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.614320][ T10] ipv6_find_idev+0x102/0x170 [ 1175.614320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.614320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.614320][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.614320][ T10] netlink_unicast+0x449/0x710 [ 1175.614320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.614320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.614320][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.614320][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.614320][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.614320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.614320][ T10] [ 1175.615864][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1175.615864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.615864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.615864][ T10] ipv6_find_idev+0x102/0x170 [ 1175.615864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.615864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.615864][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.615864][ T10] netlink_unicast+0x449/0x710 [ 1175.615864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.615864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.615864][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.615864][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.615864][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.615864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.615864][ T10] [ 1175.617578][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1175.617859][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1175.617859][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.617859][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.617859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.617859][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.617859][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.617859][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.617859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.617859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.617859][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.617859][ T10] netlink_unicast+0x449/0x710 [ 1175.617859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.617859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.617859][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.617859][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.617859][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.617859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.617859][ T10] [ 1175.619865][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1175.619865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.619865][ T10] ipv6_find_idev+0x102/0x170 [ 1175.619865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.619865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.619865][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.619865][ T10] netlink_unicast+0x449/0x710 [ 1175.619865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.619865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.619865][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.619865][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.619865][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.619865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.619865][ T10] [ 1175.621432][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1175.621432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.621432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.621432][ T10] ipv6_find_idev+0x102/0x170 [ 1175.621432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.621432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.621432][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.621432][ T10] netlink_unicast+0x449/0x710 [ 1175.621432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.621432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.621432][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.621432][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.621432][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.621432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.621432][ T10] [ 1175.623126][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1175.623393][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1175.623393][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.623393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.623393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.623393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.623393][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.623393][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.623393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.623393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.623393][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.623393][ T10] netlink_unicast+0x449/0x710 [ 1175.623393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.623393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.623393][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.623393][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.623393][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.623393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.623393][ T10] [ 1175.625398][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1175.625398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.625398][ T10] ipv6_find_idev+0x102/0x170 [ 1175.625398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.625398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.625398][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.625398][ T10] netlink_unicast+0x449/0x710 [ 1175.625398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.625398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.625398][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.625398][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.625398][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.625398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.625398][ T10] [ 1175.626949][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1175.626949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.626949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.626949][ T10] ipv6_find_idev+0x102/0x170 [ 1175.626949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.626949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.626949][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.626949][ T10] netlink_unicast+0x449/0x710 [ 1175.626949][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.626949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.626949][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.626949][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.626949][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.626949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.626949][ T10] [ 1175.629049][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1175.629649][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1175.629649][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.629649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.629649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.629649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.629649][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.629649][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.629649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.629649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.629649][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.629649][ T10] netlink_unicast+0x449/0x710 [ 1175.629649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.629649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.629649][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.629649][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.629649][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.629649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.629649][ T10] [ 1175.631649][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1175.631649][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.631649][ T10] ipv6_find_idev+0x102/0x170 [ 1175.631649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.631649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.631649][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.631649][ T10] netlink_unicast+0x449/0x710 [ 1175.631649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.631649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.631649][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.631649][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.631649][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.631649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.631649][ T10] [ 1175.633186][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1175.633186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.633186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.633186][ T10] ipv6_find_idev+0x102/0x170 [ 1175.633186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.633186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.633186][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.633186][ T10] netlink_unicast+0x449/0x710 [ 1175.633186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.633186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.633186][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.633186][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.633186][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.633186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.633186][ T10] [ 1175.634866][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1175.635132][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1175.635132][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.635132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.635132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.635132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.635132][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.635132][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.635132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.635132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.635132][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.635132][ T10] netlink_unicast+0x449/0x710 [ 1175.635132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.635132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.635132][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.635132][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.635132][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.635132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.635132][ T10] [ 1175.637136][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1175.637136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.637136][ T10] ipv6_find_idev+0x102/0x170 [ 1175.637136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.637136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.637136][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.637136][ T10] netlink_unicast+0x449/0x710 [ 1175.637136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.637136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.637136][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.637136][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.637136][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.637136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.637136][ T10] [ 1175.638751][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1175.638751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.638751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.638751][ T10] ipv6_find_idev+0x102/0x170 [ 1175.638751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.638751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.638751][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.638751][ T10] netlink_unicast+0x449/0x710 [ 1175.638751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.638751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.638751][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.638751][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.638751][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.638751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.638751][ T10] [ 1175.640611][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1175.640932][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1175.640932][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.640932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.640932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.640932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.640932][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.640932][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.640932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.640932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.640932][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.640932][ T10] netlink_unicast+0x449/0x710 [ 1175.640932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.640932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.640932][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.640932][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.640932][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.640932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.640932][ T10] [ 1175.642989][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1175.642989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.642989][ T10] ipv6_find_idev+0x102/0x170 [ 1175.642989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.642989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.642989][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.642989][ T10] netlink_unicast+0x449/0x710 [ 1175.642989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.642989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.642989][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.642989][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.642989][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.642989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.642989][ T10] [ 1175.644664][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1175.644664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.644664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.644664][ T10] ipv6_find_idev+0x102/0x170 [ 1175.644664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.644664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.644664][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.644664][ T10] netlink_unicast+0x449/0x710 [ 1175.644664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.644664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.644664][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.644664][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.644664][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.644664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.644664][ T10] [ 1175.646455][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1175.646782][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1175.646782][ T10] netdev_get_by_index+0x5e/0x80 [ 1175.646782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1175.646782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1175.646782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1175.646782][ T10] ipv6_add_addr+0x411/0x2000 [ 1175.646782][ T10] inet6_addr_add+0x30e/0xa40 [ 1175.646782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.646782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.646782][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.646782][ T10] netlink_unicast+0x449/0x710 [ 1175.646782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.646782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.646782][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.646782][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.646782][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.646782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.646782][ T10] [ 1175.648908][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1175.648908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1175.648908][ T10] ipv6_find_idev+0x102/0x170 [ 1175.648908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.648908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.648908][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.648908][ T10] netlink_unicast+0x449/0x710 [ 1175.648908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.648908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.648908][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.648908][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.648908][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.648908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.648908][ T10] [ 1175.650509][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1175.650509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1175.650509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1175.650509][ T10] ipv6_find_idev+0x102/0x170 [ 1175.650509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.650509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.650509][ T10] netlink_rcv_skb+0x130/0x360 [ 1175.650509][ T10] netlink_unicast+0x449/0x710 [ 1175.650509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1175.650509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1175.650509][ T10] ___sys_sendmsg+0xee/0x170 [ 1175.650509][ T10] __sys_sendmsg+0xcd/0x170 [ 1175.650509][ T10] do_syscall_64+0xc6/0x1e0 [ 1175.650509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.650509][ T10] [ 1185.893935][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1185.894378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1185.894378][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.894378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.894378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.894378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.894378][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.894378][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.894378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.894378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.894378][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.894378][ T10] netlink_unicast+0x449/0x710 [ 1185.894378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.894378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.894378][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.894378][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.894378][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.894378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.894378][ T10] [ 1185.896392][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1185.896392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.896392][ T10] ipv6_find_idev+0x102/0x170 [ 1185.896392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.896392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.896392][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.896392][ T10] netlink_unicast+0x449/0x710 [ 1185.896392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.896392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.896392][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.896392][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.896392][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.896392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.896392][ T10] [ 1185.897915][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1185.897915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.897915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.897915][ T10] ipv6_find_idev+0x102/0x170 [ 1185.897915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.897915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.897915][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.897915][ T10] netlink_unicast+0x449/0x710 [ 1185.897915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.897915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.897915][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.897915][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.897915][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.897915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.897915][ T10] [ 1185.899601][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1185.899880][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1185.899880][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.899880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.899880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.899880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.899880][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.899880][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.899880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.899880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.899880][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.899880][ T10] netlink_unicast+0x449/0x710 [ 1185.899880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.899880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.899880][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.899880][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.899880][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.899880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.899880][ T10] [ 1185.901864][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1185.901864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.901864][ T10] ipv6_find_idev+0x102/0x170 [ 1185.901864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.901864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.901864][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.901864][ T10] netlink_unicast+0x449/0x710 [ 1185.901864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.901864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.901864][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.901864][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.901864][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.901864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.901864][ T10] [ 1185.903386][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1185.903386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.903386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.903386][ T10] ipv6_find_idev+0x102/0x170 [ 1185.903386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.903386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.903386][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.903386][ T10] netlink_unicast+0x449/0x710 [ 1185.903386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.903386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.903386][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.903386][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.903386][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.903386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.903386][ T10] [ 1185.905057][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1185.905322][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1185.905322][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.905322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.905322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.905322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.905322][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.905322][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.905322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.905322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.905322][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.905322][ T10] netlink_unicast+0x449/0x710 [ 1185.905322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.905322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.905322][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.905322][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.905322][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.905322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.905322][ T10] [ 1185.907310][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1185.907310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.907310][ T10] ipv6_find_idev+0x102/0x170 [ 1185.907310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.907310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.907310][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.907310][ T10] netlink_unicast+0x449/0x710 [ 1185.907310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.907310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.907310][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.907310][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.907310][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.907310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.907310][ T10] [ 1185.908845][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1185.908845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.908845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.908845][ T10] ipv6_find_idev+0x102/0x170 [ 1185.908845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.908845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.908845][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.908845][ T10] netlink_unicast+0x449/0x710 [ 1185.908845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.908845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.908845][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.908845][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.908845][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.908845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.908845][ T10] [ 1185.910507][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1185.910769][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1185.910769][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.910769][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.910769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.910769][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.910769][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.910769][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.910769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.910769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.910769][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.910769][ T10] netlink_unicast+0x449/0x710 [ 1185.910769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.910769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.910769][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.910769][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.910769][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.910769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.910769][ T10] [ 1185.912746][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1185.912746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.912746][ T10] ipv6_find_idev+0x102/0x170 [ 1185.912746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.912746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.912746][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.912746][ T10] netlink_unicast+0x449/0x710 [ 1185.912746][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.912746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.912746][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.912746][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.912746][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.912746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.912746][ T10] [ 1185.914290][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1185.914290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.914290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.914290][ T10] ipv6_find_idev+0x102/0x170 [ 1185.914290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.914290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.914290][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.914290][ T10] netlink_unicast+0x449/0x710 [ 1185.914290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.914290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.914290][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.914290][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.914290][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.914290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.914290][ T10] [ 1185.916362][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1185.916625][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1185.916625][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.916625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.916625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.916625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.916625][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.916625][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.916625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.916625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.916625][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.916625][ T10] netlink_unicast+0x449/0x710 [ 1185.916625][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.916625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.916625][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.916625][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.916625][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.916625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.916625][ T10] [ 1185.918593][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1185.918593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.918593][ T10] ipv6_find_idev+0x102/0x170 [ 1185.918593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.918593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.918593][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.918593][ T10] netlink_unicast+0x449/0x710 [ 1185.918593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.918593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.918593][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.918593][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.918593][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.918593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.918593][ T10] [ 1185.920113][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1185.920113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.920113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.920113][ T10] ipv6_find_idev+0x102/0x170 [ 1185.920113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.920113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.920113][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.920113][ T10] netlink_unicast+0x449/0x710 [ 1185.920113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.920113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.920113][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.920113][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.920113][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.920113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.920113][ T10] [ 1185.921826][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1185.922102][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1185.922102][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.922102][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.922102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.922102][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.922102][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.922102][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.922102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.922102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.922102][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.922102][ T10] netlink_unicast+0x449/0x710 [ 1185.922102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.922102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.922102][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.922102][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.922102][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.922102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.922102][ T10] [ 1185.924203][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1185.924203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.924203][ T10] ipv6_find_idev+0x102/0x170 [ 1185.924203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.924203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.924203][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.924203][ T10] netlink_unicast+0x449/0x710 [ 1185.924203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.924203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.924203][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.924203][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.924203][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.924203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.924203][ T10] [ 1185.925907][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1185.925907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.925907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.925907][ T10] ipv6_find_idev+0x102/0x170 [ 1185.925907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.925907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.925907][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.925907][ T10] netlink_unicast+0x449/0x710 [ 1185.925907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.925907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.925907][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.925907][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.925907][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.925907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.925907][ T10] [ 1185.927817][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1185.928088][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1185.928088][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.928088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.928088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.928088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.928088][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.928088][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.928088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.928088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.928088][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.928088][ T10] netlink_unicast+0x449/0x710 [ 1185.928088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.928088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.928088][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.928088][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.928088][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.928088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.928088][ T10] [ 1185.931111][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1185.931111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.931111][ T10] ipv6_find_idev+0x102/0x170 [ 1185.931111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.931111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.931111][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.931111][ T10] netlink_unicast+0x449/0x710 [ 1185.931111][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.931111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.931111][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.931111][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.931111][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.931111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.931111][ T10] [ 1185.932816][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1185.932816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.932816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.932816][ T10] ipv6_find_idev+0x102/0x170 [ 1185.932816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.932816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.932816][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.932816][ T10] netlink_unicast+0x449/0x710 [ 1185.932816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.932816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.932816][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.932816][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.932816][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.932816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.932816][ T10] [ 1185.935144][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1185.935411][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1185.935411][ T10] netdev_get_by_index+0x5e/0x80 [ 1185.935411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1185.935411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1185.935411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1185.935411][ T10] ipv6_add_addr+0x411/0x2000 [ 1185.935411][ T10] inet6_addr_add+0x30e/0xa40 [ 1185.935411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.935411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.935411][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.935411][ T10] netlink_unicast+0x449/0x710 [ 1185.935411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.935411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.935411][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.935411][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.935411][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.935411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.935411][ T10] [ 1185.937579][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1185.937579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1185.937579][ T10] ipv6_find_idev+0x102/0x170 [ 1185.937579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.937579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.937579][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.937579][ T10] netlink_unicast+0x449/0x710 [ 1185.937579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.937579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.937579][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.937579][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.937579][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.937579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.937579][ T10] [ 1185.939344][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1185.939344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1185.939344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1185.939344][ T10] ipv6_find_idev+0x102/0x170 [ 1185.939344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.939344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.939344][ T10] netlink_rcv_skb+0x130/0x360 [ 1185.939344][ T10] netlink_unicast+0x449/0x710 [ 1185.939344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1185.939344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1185.939344][ T10] ___sys_sendmsg+0xee/0x170 [ 1185.939344][ T10] __sys_sendmsg+0xcd/0x170 [ 1185.939344][ T10] do_syscall_64+0xc6/0x1e0 [ 1185.939344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.939344][ T10] [ 1196.181944][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1196.182448][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1196.182448][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.182448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.182448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.182448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.182448][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.182448][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.182448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.182448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.182448][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.182448][ T10] netlink_unicast+0x449/0x710 [ 1196.182448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.182448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.182448][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.182448][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.182448][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.182448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.182448][ T10] [ 1196.184438][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1196.184438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.184438][ T10] ipv6_find_idev+0x102/0x170 [ 1196.184438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.184438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.184438][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.184438][ T10] netlink_unicast+0x449/0x710 [ 1196.184438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.184438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.184438][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.184438][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.184438][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.184438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.184438][ T10] [ 1196.185968][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1196.185968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.185968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.185968][ T10] ipv6_find_idev+0x102/0x170 [ 1196.185968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.185968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.185968][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.185968][ T10] netlink_unicast+0x449/0x710 [ 1196.185968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.185968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.185968][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.185968][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.185968][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.185968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.185968][ T10] [ 1196.187656][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1196.187932][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1196.187932][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.187932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.187932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.187932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.187932][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.187932][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.187932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.187932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.187932][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.187932][ T10] netlink_unicast+0x449/0x710 [ 1196.187932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.187932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.187932][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.187932][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.187932][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.187932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.187932][ T10] [ 1196.189903][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1196.189903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.189903][ T10] ipv6_find_idev+0x102/0x170 [ 1196.189903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.189903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.189903][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.189903][ T10] netlink_unicast+0x449/0x710 [ 1196.189903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.189903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.189903][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.189903][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.189903][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.189903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.189903][ T10] [ 1196.191443][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1196.191443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.191443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.191443][ T10] ipv6_find_idev+0x102/0x170 [ 1196.191443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.191443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.191443][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.191443][ T10] netlink_unicast+0x449/0x710 [ 1196.191443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.191443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.191443][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.191443][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.191443][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.191443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.191443][ T10] [ 1196.193106][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1196.193367][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1196.193367][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.193367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.193367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.193367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.193367][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.193367][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.193367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.193367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.193367][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.193367][ T10] netlink_unicast+0x449/0x710 [ 1196.193367][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.193367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.193367][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.193367][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.193367][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.193367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.193367][ T10] [ 1196.195346][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1196.195346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.195346][ T10] ipv6_find_idev+0x102/0x170 [ 1196.195346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.195346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.195346][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.195346][ T10] netlink_unicast+0x449/0x710 [ 1196.195346][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.195346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.195346][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.195346][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.195346][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.195346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.195346][ T10] [ 1196.196874][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1196.196874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.196874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.196874][ T10] ipv6_find_idev+0x102/0x170 [ 1196.196874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.196874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.196874][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.196874][ T10] netlink_unicast+0x449/0x710 [ 1196.196874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.196874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.196874][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.196874][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.196874][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.196874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.196874][ T10] [ 1196.198538][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1196.198801][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1196.198801][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.198801][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.198801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.198801][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.198801][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.198801][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.198801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.198801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.198801][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.198801][ T10] netlink_unicast+0x449/0x710 [ 1196.198801][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.198801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.198801][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.198801][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.198801][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.198801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.198801][ T10] [ 1196.201161][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1196.201161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.201161][ T10] ipv6_find_idev+0x102/0x170 [ 1196.201161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.201161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.201161][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.201161][ T10] netlink_unicast+0x449/0x710 [ 1196.201161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.201161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.201161][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.201161][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.201161][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.201161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.201161][ T10] [ 1196.202686][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1196.202686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.202686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.202686][ T10] ipv6_find_idev+0x102/0x170 [ 1196.202686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.202686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.202686][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.202686][ T10] netlink_unicast+0x449/0x710 [ 1196.202686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.202686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.202686][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.202686][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.202686][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.202686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.202686][ T10] [ 1196.204748][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1196.205367][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1196.205367][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.205367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.205367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.205367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.205367][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.205367][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.205367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.205367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.205367][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.205367][ T10] netlink_unicast+0x449/0x710 [ 1196.205367][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.205367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.205367][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.205367][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.205367][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.205367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.205367][ T10] [ 1196.207354][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1196.207354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.207354][ T10] ipv6_find_idev+0x102/0x170 [ 1196.207354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.207354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.207354][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.207354][ T10] netlink_unicast+0x449/0x710 [ 1196.207354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.207354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.207354][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.207354][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.207354][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.207354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.207354][ T10] [ 1196.208869][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1196.208869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.208869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.208869][ T10] ipv6_find_idev+0x102/0x170 [ 1196.208869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.208869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.208869][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.208869][ T10] netlink_unicast+0x449/0x710 [ 1196.208869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.208869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.208869][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.208869][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.208869][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.208869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.208869][ T10] [ 1196.210527][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1196.210785][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1196.210785][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.210785][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.210785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.210785][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.210785][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.210785][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.210785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.210785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.210785][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.210785][ T10] netlink_unicast+0x449/0x710 [ 1196.210785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.210785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.210785][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.210785][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.210785][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.210785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.210785][ T10] [ 1196.212757][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1196.212757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.212757][ T10] ipv6_find_idev+0x102/0x170 [ 1196.212757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.212757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.212757][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.212757][ T10] netlink_unicast+0x449/0x710 [ 1196.212757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.212757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.212757][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.212757][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.212757][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.212757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.212757][ T10] [ 1196.214341][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1196.214341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.214341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.214341][ T10] ipv6_find_idev+0x102/0x170 [ 1196.214341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.214341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.214341][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.214341][ T10] netlink_unicast+0x449/0x710 [ 1196.214341][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.214341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.214341][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.214341][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.214341][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.214341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.214341][ T10] [ 1196.216247][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1196.216511][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1196.216511][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.216511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.216511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.216511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.216511][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.216511][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.216511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.216511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.216511][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.216511][ T10] netlink_unicast+0x449/0x710 [ 1196.216511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.216511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.216511][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.216511][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.216511][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.216511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.216511][ T10] [ 1196.218656][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1196.218656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.218656][ T10] ipv6_find_idev+0x102/0x170 [ 1196.218656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.218656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.218656][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.218656][ T10] netlink_unicast+0x449/0x710 [ 1196.218656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.218656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.218656][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.218656][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.218656][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.218656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.218656][ T10] [ 1196.220411][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1196.220411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.220411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.220411][ T10] ipv6_find_idev+0x102/0x170 [ 1196.220411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.220411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.220411][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.220411][ T10] netlink_unicast+0x449/0x710 [ 1196.220411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.220411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.220411][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.220411][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.220411][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.220411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.220411][ T10] [ 1196.222297][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1196.222561][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1196.222561][ T10] netdev_get_by_index+0x5e/0x80 [ 1196.222561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1196.222561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1196.222561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1196.222561][ T10] ipv6_add_addr+0x411/0x2000 [ 1196.222561][ T10] inet6_addr_add+0x30e/0xa40 [ 1196.222561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.222561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.222561][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.222561][ T10] netlink_unicast+0x449/0x710 [ 1196.222561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.222561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.222561][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.222561][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.222561][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.222561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.222561][ T10] [ 1196.224776][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1196.224776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1196.224776][ T10] ipv6_find_idev+0x102/0x170 [ 1196.224776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.224776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.224776][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.224776][ T10] netlink_unicast+0x449/0x710 [ 1196.224776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.224776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.224776][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.224776][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.224776][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.224776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.224776][ T10] [ 1196.227017][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1196.227017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1196.227017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1196.227017][ T10] ipv6_find_idev+0x102/0x170 [ 1196.227017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.227017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.227017][ T10] netlink_rcv_skb+0x130/0x360 [ 1196.227017][ T10] netlink_unicast+0x449/0x710 [ 1196.227017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1196.227017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1196.227017][ T10] ___sys_sendmsg+0xee/0x170 [ 1196.227017][ T10] __sys_sendmsg+0xcd/0x170 [ 1196.227017][ T10] do_syscall_64+0xc6/0x1e0 [ 1196.227017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.227017][ T10] [ 1206.469913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1206.470394][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1206.470394][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.470394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.470394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.470394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.470394][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.470394][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.470394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.470394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.470394][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.470394][ T10] netlink_unicast+0x449/0x710 [ 1206.470394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.470394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.470394][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.470394][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.470394][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.470394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.470394][ T10] [ 1206.472629][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1206.472629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.472629][ T10] ipv6_find_idev+0x102/0x170 [ 1206.472629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.472629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.472629][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.472629][ T10] netlink_unicast+0x449/0x710 [ 1206.472629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.472629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.472629][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.472629][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.472629][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.472629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.472629][ T10] [ 1206.474335][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1206.474335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.474335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.474335][ T10] ipv6_find_idev+0x102/0x170 [ 1206.474335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.474335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.474335][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.474335][ T10] netlink_unicast+0x449/0x710 [ 1206.474335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.474335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.474335][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.474335][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.474335][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.474335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.474335][ T10] [ 1206.476233][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1206.476533][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1206.476533][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.476533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.476533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.476533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.476533][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.476533][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.476533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.476533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.476533][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.476533][ T10] netlink_unicast+0x449/0x710 [ 1206.476533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.476533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.476533][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.476533][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.476533][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.476533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.476533][ T10] [ 1206.479058][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1206.479058][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.479058][ T10] ipv6_find_idev+0x102/0x170 [ 1206.479058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.479058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.479058][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.479058][ T10] netlink_unicast+0x449/0x710 [ 1206.479058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.479058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.479058][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.479058][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.479058][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.479058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.479058][ T10] [ 1206.481570][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1206.481570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.481570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.481570][ T10] ipv6_find_idev+0x102/0x170 [ 1206.481570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.481570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.481570][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.481570][ T10] netlink_unicast+0x449/0x710 [ 1206.481570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.481570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.481570][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.481570][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.481570][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.481570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.481570][ T10] [ 1206.483448][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1206.483736][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1206.483736][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.483736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.483736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.483736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.483736][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.483736][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.483736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.483736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.483736][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.483736][ T10] netlink_unicast+0x449/0x710 [ 1206.483736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.483736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.483736][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.483736][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.483736][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.483736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.483736][ T10] [ 1206.485933][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1206.485933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.485933][ T10] ipv6_find_idev+0x102/0x170 [ 1206.485933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.485933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.485933][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.485933][ T10] netlink_unicast+0x449/0x710 [ 1206.485933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.485933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.485933][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.485933][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.485933][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.485933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.485933][ T10] [ 1206.487637][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1206.487637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.487637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.487637][ T10] ipv6_find_idev+0x102/0x170 [ 1206.487637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.487637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.487637][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.487637][ T10] netlink_unicast+0x449/0x710 [ 1206.487637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.487637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.487637][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.487637][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.487637][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.487637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.487637][ T10] [ 1206.489485][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1206.489770][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1206.489770][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.489770][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.489770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.489770][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.489770][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.489770][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.489770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.489770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.489770][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.489770][ T10] netlink_unicast+0x449/0x710 [ 1206.489770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.489770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.489770][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.489770][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.489770][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.489770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.489770][ T10] [ 1206.491966][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1206.491966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.491966][ T10] ipv6_find_idev+0x102/0x170 [ 1206.491966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.491966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.491966][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.491966][ T10] netlink_unicast+0x449/0x710 [ 1206.491966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.491966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.491966][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.491966][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.491966][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.491966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.491966][ T10] [ 1206.493657][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1206.493657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.493657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.493657][ T10] ipv6_find_idev+0x102/0x170 [ 1206.493657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.493657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.493657][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.493657][ T10] netlink_unicast+0x449/0x710 [ 1206.493657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.493657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.493657][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.493657][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.493657][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.493657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.493657][ T10] [ 1206.496317][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1206.496609][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1206.496609][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.496609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.496609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.496609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.496609][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.496609][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.496609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.496609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.496609][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.496609][ T10] netlink_unicast+0x449/0x710 [ 1206.496609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.496609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.496609][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.496609][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.496609][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.496609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.496609][ T10] [ 1206.498812][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1206.498812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.498812][ T10] ipv6_find_idev+0x102/0x170 [ 1206.498812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.498812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.498812][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.498812][ T10] netlink_unicast+0x449/0x710 [ 1206.498812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.498812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.498812][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.498812][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.498812][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.498812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.498812][ T10] [ 1206.500503][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1206.500503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.500503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.500503][ T10] ipv6_find_idev+0x102/0x170 [ 1206.500503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.500503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.500503][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.500503][ T10] netlink_unicast+0x449/0x710 [ 1206.500503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.500503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.500503][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.500503][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.500503][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.500503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.500503][ T10] [ 1206.502397][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1206.502685][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1206.502685][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.502685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.502685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.502685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.502685][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.502685][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.502685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.502685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.502685][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.502685][ T10] netlink_unicast+0x449/0x710 [ 1206.502685][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.502685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.502685][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.502685][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.502685][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.502685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.502685][ T10] [ 1206.505081][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1206.505081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.505081][ T10] ipv6_find_idev+0x102/0x170 [ 1206.505081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.505081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.505081][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.505081][ T10] netlink_unicast+0x449/0x710 [ 1206.505081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.505081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.505081][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.505081][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.505081][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.505081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.505081][ T10] [ 1206.506983][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1206.506983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.506983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.506983][ T10] ipv6_find_idev+0x102/0x170 [ 1206.506983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.506983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.506983][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.506983][ T10] netlink_unicast+0x449/0x710 [ 1206.506983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.506983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.506983][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.506983][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.506983][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.506983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.506983][ T10] [ 1206.509062][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1206.509351][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1206.509351][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.509351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.509351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.509351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.509351][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.509351][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.509351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.509351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.509351][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.509351][ T10] netlink_unicast+0x449/0x710 [ 1206.509351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.509351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.509351][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.509351][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.509351][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.509351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.509351][ T10] [ 1206.511859][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1206.511859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.511859][ T10] ipv6_find_idev+0x102/0x170 [ 1206.511859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.511859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.511859][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.511859][ T10] netlink_unicast+0x449/0x710 [ 1206.511859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.511859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.511859][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.511859][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.511859][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.511859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.511859][ T10] [ 1206.513691][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1206.513691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.513691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.513691][ T10] ipv6_find_idev+0x102/0x170 [ 1206.513691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.513691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.513691][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.513691][ T10] netlink_unicast+0x449/0x710 [ 1206.513691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.513691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.513691][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.513691][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.513691][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.513691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.513691][ T10] [ 1206.515833][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1206.516125][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1206.516125][ T10] netdev_get_by_index+0x5e/0x80 [ 1206.516125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1206.516125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1206.516125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1206.516125][ T10] ipv6_add_addr+0x411/0x2000 [ 1206.516125][ T10] inet6_addr_add+0x30e/0xa40 [ 1206.516125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.516125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.516125][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.516125][ T10] netlink_unicast+0x449/0x710 [ 1206.516125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.516125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.516125][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.516125][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.516125][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.516125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.516125][ T10] [ 1206.518507][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1206.518507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1206.518507][ T10] ipv6_find_idev+0x102/0x170 [ 1206.518507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.518507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.518507][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.518507][ T10] netlink_unicast+0x449/0x710 [ 1206.518507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.518507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.518507][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.518507][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.518507][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.518507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.518507][ T10] [ 1206.520382][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1206.520382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1206.520382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1206.520382][ T10] ipv6_find_idev+0x102/0x170 [ 1206.520382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.520382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.520382][ T10] netlink_rcv_skb+0x130/0x360 [ 1206.520382][ T10] netlink_unicast+0x449/0x710 [ 1206.520382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1206.520382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1206.520382][ T10] ___sys_sendmsg+0xee/0x170 [ 1206.520382][ T10] __sys_sendmsg+0xcd/0x170 [ 1206.520382][ T10] do_syscall_64+0xc6/0x1e0 [ 1206.520382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.520382][ T10] [ 1216.757860][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1216.758383][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1216.758383][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.758383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.758383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.758383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.758383][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.758383][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.758383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.758383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.758383][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.758383][ T10] netlink_unicast+0x449/0x710 [ 1216.758383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.758383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.758383][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.758383][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.758383][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.758383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.758383][ T10] [ 1216.760912][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1216.760912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.760912][ T10] ipv6_find_idev+0x102/0x170 [ 1216.760912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.760912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.760912][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.760912][ T10] netlink_unicast+0x449/0x710 [ 1216.760912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.760912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.760912][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.760912][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.760912][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.760912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.760912][ T10] [ 1216.763378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1216.763378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.763378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.763378][ T10] ipv6_find_idev+0x102/0x170 [ 1216.763378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.763378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.763378][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.763378][ T10] netlink_unicast+0x449/0x710 [ 1216.763378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.763378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.763378][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.763378][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.763378][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.763378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.763378][ T10] [ 1216.766055][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1216.766519][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1216.766519][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.766519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.766519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.766519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.766519][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.766519][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.766519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.766519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.766519][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.766519][ T10] netlink_unicast+0x449/0x710 [ 1216.766519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.766519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.766519][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.766519][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.766519][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.766519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.766519][ T10] [ 1216.769659][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1216.769659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.769659][ T10] ipv6_find_idev+0x102/0x170 [ 1216.769659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.769659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.769659][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.769659][ T10] netlink_unicast+0x449/0x710 [ 1216.769659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.769659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.769659][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.769659][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.769659][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.769659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.769659][ T10] [ 1216.772097][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1216.772097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.772097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.772097][ T10] ipv6_find_idev+0x102/0x170 [ 1216.772097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.772097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.772097][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.772097][ T10] netlink_unicast+0x449/0x710 [ 1216.772097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.772097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.772097][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.772097][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.772097][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.772097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.772097][ T10] [ 1216.774750][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1216.775202][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1216.775202][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.775202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.775202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.775202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.775202][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.775202][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.775202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.775202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.775202][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.775202][ T10] netlink_unicast+0x449/0x710 [ 1216.775202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.775202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.775202][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.775202][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.775202][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.775202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.775202][ T10] [ 1216.778318][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1216.778318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.778318][ T10] ipv6_find_idev+0x102/0x170 [ 1216.778318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.778318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.778318][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.778318][ T10] netlink_unicast+0x449/0x710 [ 1216.778318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.778318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.778318][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.778318][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.778318][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.778318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.778318][ T10] [ 1216.780719][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1216.780719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.780719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.780719][ T10] ipv6_find_idev+0x102/0x170 [ 1216.780719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.780719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.780719][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.780719][ T10] netlink_unicast+0x449/0x710 [ 1216.780719][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.780719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.780719][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.780719][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.780719][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.780719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.780719][ T10] [ 1216.783060][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1216.783335][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1216.783335][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.783335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.783335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.783335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.783335][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.783335][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.783335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.783335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.783335][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.783335][ T10] netlink_unicast+0x449/0x710 [ 1216.783335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.783335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.783335][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.783335][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.783335][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.783335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.783335][ T10] [ 1216.785738][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1216.785738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.785738][ T10] ipv6_find_idev+0x102/0x170 [ 1216.785738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.785738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.785738][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.785738][ T10] netlink_unicast+0x449/0x710 [ 1216.785738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.785738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.785738][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.785738][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.785738][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.785738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.785738][ T10] [ 1216.788212][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1216.788212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.788212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.788212][ T10] ipv6_find_idev+0x102/0x170 [ 1216.788212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.788212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.788212][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.788212][ T10] netlink_unicast+0x449/0x710 [ 1216.788212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.788212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.788212][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.788212][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.788212][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.788212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.788212][ T10] [ 1216.791229][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1216.791502][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1216.791502][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.791502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.791502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.791502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.791502][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.791502][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.791502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.791502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.791502][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.791502][ T10] netlink_unicast+0x449/0x710 [ 1216.791502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.791502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.791502][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.791502][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.791502][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.791502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.791502][ T10] [ 1216.793888][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1216.793888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.793888][ T10] ipv6_find_idev+0x102/0x170 [ 1216.793888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.793888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.793888][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.793888][ T10] netlink_unicast+0x449/0x710 [ 1216.793888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.793888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.793888][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.793888][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.793888][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.793888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.793888][ T10] [ 1216.796371][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1216.796371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.796371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.796371][ T10] ipv6_find_idev+0x102/0x170 [ 1216.796371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.796371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.796371][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.796371][ T10] netlink_unicast+0x449/0x710 [ 1216.796371][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.796371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.796371][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.796371][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.796371][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.796371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.796371][ T10] [ 1216.799089][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1216.799386][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1216.799386][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.799386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.799386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.799386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.799386][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.799386][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.799386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.799386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.799386][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.799386][ T10] netlink_unicast+0x449/0x710 [ 1216.799386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.799386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.799386][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.799386][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.799386][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.799386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.799386][ T10] [ 1216.801713][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1216.801713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.801713][ T10] ipv6_find_idev+0x102/0x170 [ 1216.801713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.801713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.801713][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.801713][ T10] netlink_unicast+0x449/0x710 [ 1216.801713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.801713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.801713][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.801713][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.801713][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.801713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.801713][ T10] [ 1216.804315][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1216.804315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.804315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.804315][ T10] ipv6_find_idev+0x102/0x170 [ 1216.804315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.804315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.804315][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.804315][ T10] netlink_unicast+0x449/0x710 [ 1216.804315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.804315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.804315][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.804315][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.804315][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.804315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.804315][ T10] [ 1216.807344][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1216.807774][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1216.807774][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.807774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.807774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.807774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.807774][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.807774][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.807774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.807774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.807774][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.807774][ T10] netlink_unicast+0x449/0x710 [ 1216.807774][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.807774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.807774][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.807774][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.807774][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.807774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.807774][ T10] [ 1216.810227][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1216.810227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.810227][ T10] ipv6_find_idev+0x102/0x170 [ 1216.810227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.810227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.810227][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.810227][ T10] netlink_unicast+0x449/0x710 [ 1216.810227][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.810227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.810227][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.810227][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.810227][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.810227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.810227][ T10] [ 1216.812370][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1216.812370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.812370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.812370][ T10] ipv6_find_idev+0x102/0x170 [ 1216.812370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.812370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.812370][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.812370][ T10] netlink_unicast+0x449/0x710 [ 1216.812370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.812370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.812370][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.812370][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.812370][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.812370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.812370][ T10] [ 1216.815403][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1216.815834][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1216.815834][ T10] netdev_get_by_index+0x5e/0x80 [ 1216.815834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1216.815834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1216.815834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1216.815834][ T10] ipv6_add_addr+0x411/0x2000 [ 1216.815834][ T10] inet6_addr_add+0x30e/0xa40 [ 1216.815834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.815834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.815834][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.815834][ T10] netlink_unicast+0x449/0x710 [ 1216.815834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.815834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.815834][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.815834][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.815834][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.815834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.815834][ T10] [ 1216.818494][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1216.818494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1216.818494][ T10] ipv6_find_idev+0x102/0x170 [ 1216.818494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.818494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.818494][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.818494][ T10] netlink_unicast+0x449/0x710 [ 1216.818494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.818494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.818494][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.818494][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.818494][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.818494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.818494][ T10] [ 1216.820423][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1216.820423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1216.820423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1216.820423][ T10] ipv6_find_idev+0x102/0x170 [ 1216.820423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.820423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.820423][ T10] netlink_rcv_skb+0x130/0x360 [ 1216.820423][ T10] netlink_unicast+0x449/0x710 [ 1216.820423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1216.820423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1216.820423][ T10] ___sys_sendmsg+0xee/0x170 [ 1216.820423][ T10] __sys_sendmsg+0xcd/0x170 [ 1216.820423][ T10] do_syscall_64+0xc6/0x1e0 [ 1216.820423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.820423][ T10] [ 1226.973839][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1226.974293][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1226.974293][ T10] netdev_get_by_index+0x5e/0x80 [ 1226.974293][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1226.974293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1226.974293][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1226.974293][ T10] ipv6_add_addr+0x411/0x2000 [ 1226.974293][ T10] inet6_addr_add+0x30e/0xa40 [ 1226.974293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.974293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.974293][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.974293][ T10] netlink_unicast+0x449/0x710 [ 1226.974293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.974293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.974293][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.974293][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.974293][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.974293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.974293][ T10] [ 1226.976353][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1226.976353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1226.976353][ T10] ipv6_find_idev+0x102/0x170 [ 1226.976353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.976353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.976353][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.976353][ T10] netlink_unicast+0x449/0x710 [ 1226.976353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.976353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.976353][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.976353][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.976353][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.976353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.976353][ T10] [ 1226.977922][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1226.977922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1226.977922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1226.977922][ T10] ipv6_find_idev+0x102/0x170 [ 1226.977922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.977922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.977922][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.977922][ T10] netlink_unicast+0x449/0x710 [ 1226.977922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.977922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.977922][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.977922][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.977922][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.977922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.977922][ T10] [ 1226.979673][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1226.979977][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1226.979977][ T10] netdev_get_by_index+0x5e/0x80 [ 1226.979977][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1226.979977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1226.979977][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1226.979977][ T10] ipv6_add_addr+0x411/0x2000 [ 1226.979977][ T10] inet6_addr_add+0x30e/0xa40 [ 1226.979977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.979977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.979977][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.979977][ T10] netlink_unicast+0x449/0x710 [ 1226.979977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.979977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.979977][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.979977][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.979977][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.979977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.979977][ T10] [ 1226.982005][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1226.982005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1226.982005][ T10] ipv6_find_idev+0x102/0x170 [ 1226.982005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.982005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.982005][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.982005][ T10] netlink_unicast+0x449/0x710 [ 1226.982005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.982005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.982005][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.982005][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.982005][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.982005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.982005][ T10] [ 1226.983575][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1226.983575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1226.983575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1226.983575][ T10] ipv6_find_idev+0x102/0x170 [ 1226.983575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.983575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.983575][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.983575][ T10] netlink_unicast+0x449/0x710 [ 1226.983575][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.983575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.983575][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.983575][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.983575][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.983575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.983575][ T10] [ 1226.985319][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1226.985590][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1226.985590][ T10] netdev_get_by_index+0x5e/0x80 [ 1226.985590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1226.985590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1226.985590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1226.985590][ T10] ipv6_add_addr+0x411/0x2000 [ 1226.985590][ T10] inet6_addr_add+0x30e/0xa40 [ 1226.985590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.985590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.985590][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.985590][ T10] netlink_unicast+0x449/0x710 [ 1226.985590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.985590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.985590][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.985590][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.985590][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.985590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.985590][ T10] [ 1226.987642][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1226.987642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1226.987642][ T10] ipv6_find_idev+0x102/0x170 [ 1226.987642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.987642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.987642][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.987642][ T10] netlink_unicast+0x449/0x710 [ 1226.987642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.987642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.987642][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.987642][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.987642][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.987642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.987642][ T10] [ 1226.989218][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1226.989218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1226.989218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1226.989218][ T10] ipv6_find_idev+0x102/0x170 [ 1226.989218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.989218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.989218][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.989218][ T10] netlink_unicast+0x449/0x710 [ 1226.989218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.989218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.989218][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.989218][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.989218][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.989218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.989218][ T10] [ 1226.990915][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1226.991182][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1226.991182][ T10] netdev_get_by_index+0x5e/0x80 [ 1226.991182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1226.991182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1226.991182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1226.991182][ T10] ipv6_add_addr+0x411/0x2000 [ 1226.991182][ T10] inet6_addr_add+0x30e/0xa40 [ 1226.991182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.991182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.991182][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.991182][ T10] netlink_unicast+0x449/0x710 [ 1226.991182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.991182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.991182][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.991182][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.991182][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.991182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.991182][ T10] [ 1226.993203][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1226.993203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1226.993203][ T10] ipv6_find_idev+0x102/0x170 [ 1226.993203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.993203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.993203][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.993203][ T10] netlink_unicast+0x449/0x710 [ 1226.993203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.993203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.993203][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.993203][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.993203][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.993203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.993203][ T10] [ 1226.994769][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1226.994769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1226.994769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1226.994769][ T10] ipv6_find_idev+0x102/0x170 [ 1226.994769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.994769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.994769][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.994769][ T10] netlink_unicast+0x449/0x710 [ 1226.994769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.994769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.994769][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.994769][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.994769][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.994769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.994769][ T10] [ 1226.996920][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1226.997521][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1226.997521][ T10] netdev_get_by_index+0x5e/0x80 [ 1226.997521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1226.997521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1226.997521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1226.997521][ T10] ipv6_add_addr+0x411/0x2000 [ 1226.997521][ T10] inet6_addr_add+0x30e/0xa40 [ 1226.997521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.997521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.997521][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.997521][ T10] netlink_unicast+0x449/0x710 [ 1226.997521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.997521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.997521][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.997521][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.997521][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.997521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.997521][ T10] [ 1226.999524][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1226.999524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1226.999524][ T10] ipv6_find_idev+0x102/0x170 [ 1226.999524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.999524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.999524][ T10] netlink_rcv_skb+0x130/0x360 [ 1226.999524][ T10] netlink_unicast+0x449/0x710 [ 1226.999524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1226.999524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1226.999524][ T10] ___sys_sendmsg+0xee/0x170 [ 1226.999524][ T10] __sys_sendmsg+0xcd/0x170 [ 1226.999524][ T10] do_syscall_64+0xc6/0x1e0 [ 1226.999524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.999524][ T10] [ 1227.001070][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1227.001070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1227.001070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1227.001070][ T10] ipv6_find_idev+0x102/0x170 [ 1227.001070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.001070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.001070][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.001070][ T10] netlink_unicast+0x449/0x710 [ 1227.001070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.001070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.001070][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.001070][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.001070][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.001070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.001070][ T10] [ 1227.002756][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1227.003089][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1227.003089][ T10] netdev_get_by_index+0x5e/0x80 [ 1227.003089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1227.003089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1227.003089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1227.003089][ T10] ipv6_add_addr+0x411/0x2000 [ 1227.003089][ T10] inet6_addr_add+0x30e/0xa40 [ 1227.003089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.003089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.003089][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.003089][ T10] netlink_unicast+0x449/0x710 [ 1227.003089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.003089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.003089][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.003089][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.003089][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.003089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.003089][ T10] [ 1227.005107][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1227.005107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1227.005107][ T10] ipv6_find_idev+0x102/0x170 [ 1227.005107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.005107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.005107][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.005107][ T10] netlink_unicast+0x449/0x710 [ 1227.005107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.005107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.005107][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.005107][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.005107][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.005107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.005107][ T10] [ 1227.006667][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1227.006667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1227.006667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1227.006667][ T10] ipv6_find_idev+0x102/0x170 [ 1227.006667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.006667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.006667][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.006667][ T10] netlink_unicast+0x449/0x710 [ 1227.006667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.006667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.006667][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.006667][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.006667][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.006667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.006667][ T10] [ 1227.008614][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1227.008946][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1227.008946][ T10] netdev_get_by_index+0x5e/0x80 [ 1227.008946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1227.008946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1227.008946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1227.008946][ T10] ipv6_add_addr+0x411/0x2000 [ 1227.008946][ T10] inet6_addr_add+0x30e/0xa40 [ 1227.008946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.008946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.008946][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.008946][ T10] netlink_unicast+0x449/0x710 [ 1227.008946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.008946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.008946][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.008946][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.008946][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.008946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.008946][ T10] [ 1227.011229][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1227.011229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1227.011229][ T10] ipv6_find_idev+0x102/0x170 [ 1227.011229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.011229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.011229][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.011229][ T10] netlink_unicast+0x449/0x710 [ 1227.011229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.011229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.011229][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.011229][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.011229][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.011229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.011229][ T10] [ 1227.012967][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1227.012967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1227.012967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1227.012967][ T10] ipv6_find_idev+0x102/0x170 [ 1227.012967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.012967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.012967][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.012967][ T10] netlink_unicast+0x449/0x710 [ 1227.012967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.012967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.012967][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.012967][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.012967][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.012967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.012967][ T10] [ 1227.014980][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1227.015308][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1227.015308][ T10] netdev_get_by_index+0x5e/0x80 [ 1227.015308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1227.015308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1227.015308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1227.015308][ T10] ipv6_add_addr+0x411/0x2000 [ 1227.015308][ T10] inet6_addr_add+0x30e/0xa40 [ 1227.015308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.015308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.015308][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.015308][ T10] netlink_unicast+0x449/0x710 [ 1227.015308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.015308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.015308][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.015308][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.015308][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.015308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.015308][ T10] [ 1227.017603][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1227.017603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1227.017603][ T10] ipv6_find_idev+0x102/0x170 [ 1227.017603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.017603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.017603][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.017603][ T10] netlink_unicast+0x449/0x710 [ 1227.017603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.017603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.017603][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.017603][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.017603][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.017603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.017603][ T10] [ 1227.019338][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1227.019338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1227.019338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1227.019338][ T10] ipv6_find_idev+0x102/0x170 [ 1227.019338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.019338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.019338][ T10] netlink_rcv_skb+0x130/0x360 [ 1227.019338][ T10] netlink_unicast+0x449/0x710 [ 1227.019338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1227.019338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1227.019338][ T10] ___sys_sendmsg+0xee/0x170 [ 1227.019338][ T10] __sys_sendmsg+0xcd/0x170 [ 1227.019338][ T10] do_syscall_64+0xc6/0x1e0 [ 1227.019338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.019338][ T10] [ 1230.117897][ T42] INFO: task modprobe:1060 blocked for more than 983 seconds. [ 1230.118287][ T42] Not tainted 6.8.0-virtme #1 [ 1230.118412][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1230.118616][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 1230.118907][ T42] Call Trace: [ 1230.119008][ T42] [ 1230.119087][ T42] __schedule+0x705/0x1ac0 [ 1230.119230][ T42] ? __pfx___schedule+0x10/0x10 [ 1230.119358][ T42] ? schedule+0x1a5/0x210 [ 1230.119457][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.119591][ T42] ? mark_lock+0x38/0x3e0 [ 1230.119688][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1230.119846][ T42] ? schedule+0x1a5/0x210 [ 1230.119951][ T42] schedule+0xdf/0x210 [ 1230.120054][ T42] schedule_preempt_disabled+0x15/0x30 [ 1230.120196][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1230.120333][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1230.120489][ T42] ? kasan_save_stack+0x34/0x50 [ 1230.120616][ T42] ? kasan_save_stack+0x24/0x50 [ 1230.120743][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.120891][ T42] ? lock_acquire+0x1c1/0x220 [ 1230.121020][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1230.121156][ T42] down_write+0x1c9/0x200 [ 1230.121257][ T42] ? __pfx_down_write+0x10/0x10 [ 1230.121382][ T42] ? __pfx___lock_release+0x10/0x10 [ 1230.121516][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1230.121713][ T42] register_pernet_subsys+0x1a/0x50 [ 1230.121850][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1230.122032][ T42] do_one_initcall+0xc8/0x3f0 [ 1230.122161][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1230.122295][ T42] ? __create_object+0x5e/0xb0 [ 1230.122425][ T42] ? kasan_unpoison+0x27/0x60 [ 1230.122560][ T42] do_init_module+0x233/0x740 [ 1230.122698][ T42] load_module+0x16b5/0x2350 [ 1230.122860][ T42] ? __pfx_load_module+0x10/0x10 [ 1230.122992][ T42] ? kernel_read_file+0x3d2/0x520 [ 1230.123126][ T42] ? kernel_read_file+0x300/0x520 [ 1230.123260][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1230.123398][ T42] ? init_module_from_file+0xd2/0x130 [ 1230.123526][ T42] init_module_from_file+0xd2/0x130 [ 1230.123654][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1230.123822][ T42] ? __lock_release+0x103/0x460 [ 1230.123947][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.124084][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.124214][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1230.124345][ T42] idempotent_init_module+0x342/0x620 [ 1230.124476][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1230.124653][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1230.124792][ T42] do_syscall_64+0xc6/0x1e0 [ 1230.124922][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1230.125083][ T42] RIP: 0033:0x7ff11fe2be5d [ 1230.125216][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1230.125405][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 1230.125596][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 1230.125790][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 1230.126001][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 1230.126186][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 1230.126386][ T42] [ 1230.126487][ T42] [ 1230.126487][ T42] Showing all locks held in the system: [ 1230.126671][ T42] 3 locks held by kworker/u16:0/10: [ 1230.126818][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.127076][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.127311][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1230.127544][ T42] 2 locks held by kworker/u20:0/39: [ 1230.127670][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.127932][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.128215][ T42] 1 lock held by khungtaskd/42: [ 1230.128340][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1230.128571][ T42] 1 lock held by modprobe/1060: [ 1230.128691][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1230.128958][ T42] [ 1230.129022][ T42] ============================================= [ 1230.129022][ T42] [ 1237.237932][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1237.238437][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1237.238437][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.238437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.238437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.238437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.238437][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.238437][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.238437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.238437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.238437][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.238437][ T10] netlink_unicast+0x449/0x710 [ 1237.238437][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.238437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.238437][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.238437][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.238437][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.238437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.238437][ T10] [ 1237.240445][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1237.240445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.240445][ T10] ipv6_find_idev+0x102/0x170 [ 1237.240445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.240445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.240445][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.240445][ T10] netlink_unicast+0x449/0x710 [ 1237.240445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.240445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.240445][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.240445][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.240445][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.240445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.240445][ T10] [ 1237.241975][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1237.241975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.241975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.241975][ T10] ipv6_find_idev+0x102/0x170 [ 1237.241975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.241975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.241975][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.241975][ T10] netlink_unicast+0x449/0x710 [ 1237.241975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.241975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.241975][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.241975][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.241975][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.241975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.241975][ T10] [ 1237.243661][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1237.243950][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1237.243950][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.243950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.243950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.243950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.243950][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.243950][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.243950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.243950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.243950][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.243950][ T10] netlink_unicast+0x449/0x710 [ 1237.243950][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.243950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.243950][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.243950][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.243950][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.243950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.243950][ T10] [ 1237.245944][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1237.245944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.245944][ T10] ipv6_find_idev+0x102/0x170 [ 1237.245944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.245944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.245944][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.245944][ T10] netlink_unicast+0x449/0x710 [ 1237.245944][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.245944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.245944][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.245944][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.245944][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.245944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.245944][ T10] [ 1237.247467][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1237.247467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.247467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.247467][ T10] ipv6_find_idev+0x102/0x170 [ 1237.247467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.247467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.247467][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.247467][ T10] netlink_unicast+0x449/0x710 [ 1237.247467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.247467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.247467][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.247467][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.247467][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.247467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.247467][ T10] [ 1237.249134][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1237.249402][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1237.249402][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.249402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.249402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.249402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.249402][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.249402][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.249402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.249402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.249402][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.249402][ T10] netlink_unicast+0x449/0x710 [ 1237.249402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.249402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.249402][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.249402][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.249402][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.249402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.249402][ T10] [ 1237.251378][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1237.251378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.251378][ T10] ipv6_find_idev+0x102/0x170 [ 1237.251378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.251378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.251378][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.251378][ T10] netlink_unicast+0x449/0x710 [ 1237.251378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.251378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.251378][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.251378][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.251378][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.251378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.251378][ T10] [ 1237.252908][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1237.252908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.252908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.252908][ T10] ipv6_find_idev+0x102/0x170 [ 1237.252908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.252908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.252908][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.252908][ T10] netlink_unicast+0x449/0x710 [ 1237.252908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.252908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.252908][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.252908][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.252908][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.252908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.252908][ T10] [ 1237.254571][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1237.255265][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1237.255265][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.255265][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.255265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.255265][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.255265][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.255265][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.255265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.255265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.255265][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.255265][ T10] netlink_unicast+0x449/0x710 [ 1237.255265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.255265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.255265][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.255265][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.255265][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.255265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.255265][ T10] [ 1237.257253][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1237.257253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.257253][ T10] ipv6_find_idev+0x102/0x170 [ 1237.257253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.257253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.257253][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.257253][ T10] netlink_unicast+0x449/0x710 [ 1237.257253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.257253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.257253][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.257253][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.257253][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.257253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.257253][ T10] [ 1237.258774][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1237.258774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.258774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.258774][ T10] ipv6_find_idev+0x102/0x170 [ 1237.258774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.258774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.258774][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.258774][ T10] netlink_unicast+0x449/0x710 [ 1237.258774][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.258774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.258774][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.258774][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.258774][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.258774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.258774][ T10] [ 1237.260475][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1237.260739][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1237.260739][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.260739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.260739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.260739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.260739][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.260739][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.260739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.260739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.260739][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.260739][ T10] netlink_unicast+0x449/0x710 [ 1237.260739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.260739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.260739][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.260739][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.260739][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.260739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.260739][ T10] [ 1237.262709][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1237.262709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.262709][ T10] ipv6_find_idev+0x102/0x170 [ 1237.262709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.262709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.262709][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.262709][ T10] netlink_unicast+0x449/0x710 [ 1237.262709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.262709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.262709][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.262709][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.262709][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.262709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.262709][ T10] [ 1237.264228][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1237.264228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.264228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.264228][ T10] ipv6_find_idev+0x102/0x170 [ 1237.264228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.264228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.264228][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.264228][ T10] netlink_unicast+0x449/0x710 [ 1237.264228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.264228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.264228][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.264228][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.264228][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.264228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.264228][ T10] [ 1237.265933][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1237.266203][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1237.266203][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.266203][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.266203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.266203][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.266203][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.266203][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.266203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.266203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.266203][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.266203][ T10] netlink_unicast+0x449/0x710 [ 1237.266203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.266203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.266203][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.266203][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.266203][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.266203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.266203][ T10] [ 1237.268298][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1237.268298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.268298][ T10] ipv6_find_idev+0x102/0x170 [ 1237.268298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.268298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.268298][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.268298][ T10] netlink_unicast+0x449/0x710 [ 1237.268298][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.268298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.268298][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.268298][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.268298][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.268298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.268298][ T10] [ 1237.270081][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1237.270081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.270081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.270081][ T10] ipv6_find_idev+0x102/0x170 [ 1237.270081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.270081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.270081][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.270081][ T10] netlink_unicast+0x449/0x710 [ 1237.270081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.270081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.270081][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.270081][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.270081][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.270081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.270081][ T10] [ 1237.271959][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1237.272229][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1237.272229][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.272229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.272229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.272229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.272229][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.272229][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.272229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.272229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.272229][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.272229][ T10] netlink_unicast+0x449/0x710 [ 1237.272229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.272229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.272229][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.272229][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.272229][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.272229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.272229][ T10] [ 1237.274437][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1237.274437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.274437][ T10] ipv6_find_idev+0x102/0x170 [ 1237.274437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.274437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.274437][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.274437][ T10] netlink_unicast+0x449/0x710 [ 1237.274437][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.274437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.274437][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.274437][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.274437][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.274437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.274437][ T10] [ 1237.276137][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1237.276137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.276137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.276137][ T10] ipv6_find_idev+0x102/0x170 [ 1237.276137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.276137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.276137][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.276137][ T10] netlink_unicast+0x449/0x710 [ 1237.276137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.276137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.276137][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.276137][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.276137][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.276137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.276137][ T10] [ 1237.278017][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1237.278278][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1237.278278][ T10] netdev_get_by_index+0x5e/0x80 [ 1237.278278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1237.278278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1237.278278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1237.278278][ T10] ipv6_add_addr+0x411/0x2000 [ 1237.278278][ T10] inet6_addr_add+0x30e/0xa40 [ 1237.278278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.278278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.278278][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.278278][ T10] netlink_unicast+0x449/0x710 [ 1237.278278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.278278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.278278][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.278278][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.278278][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.278278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.278278][ T10] [ 1237.280545][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1237.280545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1237.280545][ T10] ipv6_find_idev+0x102/0x170 [ 1237.280545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.280545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.280545][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.280545][ T10] netlink_unicast+0x449/0x710 [ 1237.280545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.280545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.280545][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.280545][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.280545][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.280545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.280545][ T10] [ 1237.282244][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1237.282244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1237.282244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1237.282244][ T10] ipv6_find_idev+0x102/0x170 [ 1237.282244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.282244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.282244][ T10] netlink_rcv_skb+0x130/0x360 [ 1237.282244][ T10] netlink_unicast+0x449/0x710 [ 1237.282244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1237.282244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1237.282244][ T10] ___sys_sendmsg+0xee/0x170 [ 1237.282244][ T10] __sys_sendmsg+0xcd/0x170 [ 1237.282244][ T10] do_syscall_64+0xc6/0x1e0 [ 1237.282244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.282244][ T10] [ 1247.533897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1247.534412][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1247.534412][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.534412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.534412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.534412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.534412][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.534412][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.534412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.534412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.534412][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.534412][ T10] netlink_unicast+0x449/0x710 [ 1247.534412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.534412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.534412][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.534412][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.534412][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.534412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.534412][ T10] [ 1247.536560][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1247.536560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.536560][ T10] ipv6_find_idev+0x102/0x170 [ 1247.536560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.536560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.536560][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.536560][ T10] netlink_unicast+0x449/0x710 [ 1247.536560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.536560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.536560][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.536560][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.536560][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.536560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.536560][ T10] [ 1247.538176][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1247.538176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.538176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.538176][ T10] ipv6_find_idev+0x102/0x170 [ 1247.538176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.538176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.538176][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.538176][ T10] netlink_unicast+0x449/0x710 [ 1247.538176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.538176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.538176][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.538176][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.538176][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.538176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.538176][ T10] [ 1247.539954][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1247.540236][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1247.540236][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.540236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.540236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.540236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.540236][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.540236][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.540236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.540236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.540236][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.540236][ T10] netlink_unicast+0x449/0x710 [ 1247.540236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.540236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.540236][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.540236][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.540236][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.540236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.540236][ T10] [ 1247.542338][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1247.542338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.542338][ T10] ipv6_find_idev+0x102/0x170 [ 1247.542338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.542338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.542338][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.542338][ T10] netlink_unicast+0x449/0x710 [ 1247.542338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.542338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.542338][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.542338][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.542338][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.542338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.542338][ T10] [ 1247.543959][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1247.543959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.543959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.543959][ T10] ipv6_find_idev+0x102/0x170 [ 1247.543959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.543959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.543959][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.543959][ T10] netlink_unicast+0x449/0x710 [ 1247.543959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.543959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.543959][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.543959][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.543959][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.543959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.543959][ T10] [ 1247.545716][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1247.546018][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1247.546018][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.546018][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.546018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.546018][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.546018][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.546018][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.546018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.546018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.546018][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.546018][ T10] netlink_unicast+0x449/0x710 [ 1247.546018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.546018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.546018][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.546018][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.546018][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.546018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.546018][ T10] [ 1247.548121][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1247.548121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.548121][ T10] ipv6_find_idev+0x102/0x170 [ 1247.548121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.548121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.548121][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.548121][ T10] netlink_unicast+0x449/0x710 [ 1247.548121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.548121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.548121][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.548121][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.548121][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.548121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.548121][ T10] [ 1247.549742][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1247.549742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.549742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.549742][ T10] ipv6_find_idev+0x102/0x170 [ 1247.549742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.549742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.549742][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.549742][ T10] netlink_unicast+0x449/0x710 [ 1247.549742][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.549742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.549742][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.549742][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.549742][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.549742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.549742][ T10] [ 1247.551523][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1247.551802][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1247.551802][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.551802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.551802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.551802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.551802][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.551802][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.551802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.551802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.551802][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.551802][ T10] netlink_unicast+0x449/0x710 [ 1247.551802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.551802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.551802][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.551802][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.551802][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.551802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.551802][ T10] [ 1247.553898][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1247.553898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.553898][ T10] ipv6_find_idev+0x102/0x170 [ 1247.553898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.553898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.553898][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.553898][ T10] netlink_unicast+0x449/0x710 [ 1247.553898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.553898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.553898][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.553898][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.553898][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.553898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.553898][ T10] [ 1247.555511][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1247.555511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.555511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.555511][ T10] ipv6_find_idev+0x102/0x170 [ 1247.555511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.555511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.555511][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.555511][ T10] netlink_unicast+0x449/0x710 [ 1247.555511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.555511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.555511][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.555511][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.555511][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.555511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.555511][ T10] [ 1247.557281][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1247.557560][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1247.557560][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.557560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.557560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.557560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.557560][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.557560][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.557560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.557560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.557560][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.557560][ T10] netlink_unicast+0x449/0x710 [ 1247.557560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.557560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.557560][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.557560][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.557560][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.557560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.557560][ T10] [ 1247.559656][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1247.559656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.559656][ T10] ipv6_find_idev+0x102/0x170 [ 1247.559656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.559656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.559656][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.559656][ T10] netlink_unicast+0x449/0x710 [ 1247.559656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.559656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.559656][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.559656][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.559656][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.559656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.559656][ T10] [ 1247.561411][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1247.561411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.561411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.561411][ T10] ipv6_find_idev+0x102/0x170 [ 1247.561411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.561411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.561411][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.561411][ T10] netlink_unicast+0x449/0x710 [ 1247.561411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.561411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.561411][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.561411][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.561411][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.561411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.561411][ T10] [ 1247.563466][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1247.563741][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1247.563741][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.563741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.563741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.563741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.563741][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.563741][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.563741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.563741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.563741][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.563741][ T10] netlink_unicast+0x449/0x710 [ 1247.563741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.563741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.563741][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.563741][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.563741][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.563741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.563741][ T10] [ 1247.566076][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1247.566076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.566076][ T10] ipv6_find_idev+0x102/0x170 [ 1247.566076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.566076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.566076][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.566076][ T10] netlink_unicast+0x449/0x710 [ 1247.566076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.566076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.566076][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.566076][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.566076][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.566076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.566076][ T10] [ 1247.567806][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1247.567806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.567806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.567806][ T10] ipv6_find_idev+0x102/0x170 [ 1247.567806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.567806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.567806][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.567806][ T10] netlink_unicast+0x449/0x710 [ 1247.567806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.567806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.567806][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.567806][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.567806][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.567806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.567806][ T10] [ 1247.569854][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1247.570135][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1247.570135][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.570135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.570135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.570135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.570135][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.570135][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.570135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.570135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.570135][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.570135][ T10] netlink_unicast+0x449/0x710 [ 1247.570135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.570135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.570135][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.570135][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.570135][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.570135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.570135][ T10] [ 1247.572409][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1247.572409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.572409][ T10] ipv6_find_idev+0x102/0x170 [ 1247.572409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.572409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.572409][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.572409][ T10] netlink_unicast+0x449/0x710 [ 1247.572409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.572409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.572409][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.572409][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.572409][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.572409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.572409][ T10] [ 1247.574276][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1247.574276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.574276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.574276][ T10] ipv6_find_idev+0x102/0x170 [ 1247.574276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.574276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.574276][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.574276][ T10] netlink_unicast+0x449/0x710 [ 1247.574276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.574276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.574276][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.574276][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.574276][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.574276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.574276][ T10] [ 1247.576340][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1247.576614][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1247.576614][ T10] netdev_get_by_index+0x5e/0x80 [ 1247.576614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1247.576614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1247.576614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1247.576614][ T10] ipv6_add_addr+0x411/0x2000 [ 1247.576614][ T10] inet6_addr_add+0x30e/0xa40 [ 1247.576614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.576614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.576614][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.576614][ T10] netlink_unicast+0x449/0x710 [ 1247.576614][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.576614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.576614][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.576614][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.576614][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.576614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.576614][ T10] [ 1247.578897][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1247.578897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1247.578897][ T10] ipv6_find_idev+0x102/0x170 [ 1247.578897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.578897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.578897][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.578897][ T10] netlink_unicast+0x449/0x710 [ 1247.578897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.578897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.578897][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.578897][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.578897][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.578897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.578897][ T10] [ 1247.580710][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1247.580710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1247.580710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1247.580710][ T10] ipv6_find_idev+0x102/0x170 [ 1247.580710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.580710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.580710][ T10] netlink_rcv_skb+0x130/0x360 [ 1247.580710][ T10] netlink_unicast+0x449/0x710 [ 1247.580710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1247.580710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1247.580710][ T10] ___sys_sendmsg+0xee/0x170 [ 1247.580710][ T10] __sys_sendmsg+0xcd/0x170 [ 1247.580710][ T10] do_syscall_64+0xc6/0x1e0 [ 1247.580710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.580710][ T10] [ 1257.829932][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1257.830393][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1257.830393][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.830393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.830393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.830393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.830393][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.830393][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.830393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.830393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.830393][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.830393][ T10] netlink_unicast+0x449/0x710 [ 1257.830393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.830393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.830393][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.830393][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.830393][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.830393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.830393][ T10] [ 1257.832417][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1257.832417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.832417][ T10] ipv6_find_idev+0x102/0x170 [ 1257.832417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.832417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.832417][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.832417][ T10] netlink_unicast+0x449/0x710 [ 1257.832417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.832417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.832417][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.832417][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.832417][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.832417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.832417][ T10] [ 1257.833978][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1257.833978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.833978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.833978][ T10] ipv6_find_idev+0x102/0x170 [ 1257.833978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.833978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.833978][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.833978][ T10] netlink_unicast+0x449/0x710 [ 1257.833978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.833978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.833978][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.833978][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.833978][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.833978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.833978][ T10] [ 1257.835699][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1257.836016][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1257.836016][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.836016][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.836016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.836016][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.836016][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.836016][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.836016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.836016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.836016][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.836016][ T10] netlink_unicast+0x449/0x710 [ 1257.836016][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.836016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.836016][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.836016][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.836016][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.836016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.836016][ T10] [ 1257.838025][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1257.838025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.838025][ T10] ipv6_find_idev+0x102/0x170 [ 1257.838025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.838025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.838025][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.838025][ T10] netlink_unicast+0x449/0x710 [ 1257.838025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.838025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.838025][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.838025][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.838025][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.838025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.838025][ T10] [ 1257.839569][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1257.839569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.839569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.839569][ T10] ipv6_find_idev+0x102/0x170 [ 1257.839569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.839569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.839569][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.839569][ T10] netlink_unicast+0x449/0x710 [ 1257.839569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.839569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.839569][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.839569][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.839569][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.839569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.839569][ T10] [ 1257.841266][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1257.841535][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1257.841535][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.841535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.841535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.841535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.841535][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.841535][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.841535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.841535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.841535][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.841535][ T10] netlink_unicast+0x449/0x710 [ 1257.841535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.841535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.841535][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.841535][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.841535][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.841535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.841535][ T10] [ 1257.843539][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1257.843539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.843539][ T10] ipv6_find_idev+0x102/0x170 [ 1257.843539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.843539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.843539][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.843539][ T10] netlink_unicast+0x449/0x710 [ 1257.843539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.843539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.843539][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.843539][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.843539][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.843539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.843539][ T10] [ 1257.845082][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1257.845082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.845082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.845082][ T10] ipv6_find_idev+0x102/0x170 [ 1257.845082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.845082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.845082][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.845082][ T10] netlink_unicast+0x449/0x710 [ 1257.845082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.845082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.845082][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.845082][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.845082][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.845082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.845082][ T10] [ 1257.847188][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1257.847779][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1257.847779][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.847779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.847779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.847779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.847779][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.847779][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.847779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.847779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.847779][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.847779][ T10] netlink_unicast+0x449/0x710 [ 1257.847779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.847779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.847779][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.847779][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.847779][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.847779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.847779][ T10] [ 1257.849828][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1257.849828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.849828][ T10] ipv6_find_idev+0x102/0x170 [ 1257.849828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.849828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.849828][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.849828][ T10] netlink_unicast+0x449/0x710 [ 1257.849828][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.849828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.849828][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.849828][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.849828][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.849828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.849828][ T10] [ 1257.851379][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1257.851379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.851379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.851379][ T10] ipv6_find_idev+0x102/0x170 [ 1257.851379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.851379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.851379][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.851379][ T10] netlink_unicast+0x449/0x710 [ 1257.851379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.851379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.851379][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.851379][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.851379][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.851379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.851379][ T10] [ 1257.853082][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1257.853350][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1257.853350][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.853350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.853350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.853350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.853350][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.853350][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.853350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.853350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.853350][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.853350][ T10] netlink_unicast+0x449/0x710 [ 1257.853350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.853350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.853350][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.853350][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.853350][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.853350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.853350][ T10] [ 1257.855365][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1257.855365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.855365][ T10] ipv6_find_idev+0x102/0x170 [ 1257.855365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.855365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.855365][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.855365][ T10] netlink_unicast+0x449/0x710 [ 1257.855365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.855365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.855365][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.855365][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.855365][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.855365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.855365][ T10] [ 1257.856924][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1257.856924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.856924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.856924][ T10] ipv6_find_idev+0x102/0x170 [ 1257.856924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.856924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.856924][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.856924][ T10] netlink_unicast+0x449/0x710 [ 1257.856924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.856924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.856924][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.856924][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.856924][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.856924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.856924][ T10] [ 1257.858668][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1257.859010][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1257.859010][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.859010][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.859010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.859010][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.859010][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.859010][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.859010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.859010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.859010][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.859010][ T10] netlink_unicast+0x449/0x710 [ 1257.859010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.859010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.859010][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.859010][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.859010][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.859010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.859010][ T10] [ 1257.861016][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1257.861016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.861016][ T10] ipv6_find_idev+0x102/0x170 [ 1257.861016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.861016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.861016][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.861016][ T10] netlink_unicast+0x449/0x710 [ 1257.861016][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.861016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.861016][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.861016][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.861016][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.861016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.861016][ T10] [ 1257.862569][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1257.862569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.862569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.862569][ T10] ipv6_find_idev+0x102/0x170 [ 1257.862569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.862569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.862569][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.862569][ T10] netlink_unicast+0x449/0x710 [ 1257.862569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.862569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.862569][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.862569][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.862569][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.862569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.862569][ T10] [ 1257.864492][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1257.864806][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1257.864806][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.864806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.864806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.864806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.864806][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.864806][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.864806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.864806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.864806][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.864806][ T10] netlink_unicast+0x449/0x710 [ 1257.864806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.864806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.864806][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.864806][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.864806][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.864806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.864806][ T10] [ 1257.867067][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1257.867067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.867067][ T10] ipv6_find_idev+0x102/0x170 [ 1257.867067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.867067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.867067][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.867067][ T10] netlink_unicast+0x449/0x710 [ 1257.867067][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.867067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.867067][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.867067][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.867067][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.867067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.867067][ T10] [ 1257.868789][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1257.868789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.868789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.868789][ T10] ipv6_find_idev+0x102/0x170 [ 1257.868789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.868789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.868789][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.868789][ T10] netlink_unicast+0x449/0x710 [ 1257.868789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.868789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.868789][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.868789][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.868789][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.868789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.868789][ T10] [ 1257.870707][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1257.871028][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1257.871028][ T10] netdev_get_by_index+0x5e/0x80 [ 1257.871028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1257.871028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1257.871028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1257.871028][ T10] ipv6_add_addr+0x411/0x2000 [ 1257.871028][ T10] inet6_addr_add+0x30e/0xa40 [ 1257.871028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.871028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.871028][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.871028][ T10] netlink_unicast+0x449/0x710 [ 1257.871028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.871028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.871028][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.871028][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.871028][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.871028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.871028][ T10] [ 1257.873210][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1257.873210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1257.873210][ T10] ipv6_find_idev+0x102/0x170 [ 1257.873210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.873210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.873210][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.873210][ T10] netlink_unicast+0x449/0x710 [ 1257.873210][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.873210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.873210][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.873210][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.873210][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.873210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.873210][ T10] [ 1257.874934][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1257.874934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1257.874934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1257.874934][ T10] ipv6_find_idev+0x102/0x170 [ 1257.874934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.874934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.874934][ T10] netlink_rcv_skb+0x130/0x360 [ 1257.874934][ T10] netlink_unicast+0x449/0x710 [ 1257.874934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1257.874934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1257.874934][ T10] ___sys_sendmsg+0xee/0x170 [ 1257.874934][ T10] __sys_sendmsg+0xcd/0x170 [ 1257.874934][ T10] do_syscall_64+0xc6/0x1e0 [ 1257.874934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.874934][ T10] [ 1267.877906][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1267.878410][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1267.878410][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.878410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.878410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.878410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.878410][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.878410][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.878410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.878410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.878410][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.878410][ T10] netlink_unicast+0x449/0x710 [ 1267.878410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.878410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.878410][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.878410][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.878410][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.878410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.878410][ T10] [ 1267.880435][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1267.880435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.880435][ T10] ipv6_find_idev+0x102/0x170 [ 1267.880435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.880435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.880435][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.880435][ T10] netlink_unicast+0x449/0x710 [ 1267.880435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.880435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.880435][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.880435][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.880435][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.880435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.880435][ T10] [ 1267.881988][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1267.881988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.881988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.881988][ T10] ipv6_find_idev+0x102/0x170 [ 1267.881988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.881988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.881988][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.881988][ T10] netlink_unicast+0x449/0x710 [ 1267.881988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.881988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.881988][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.881988][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.881988][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.881988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.881988][ T10] [ 1267.883714][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1267.884011][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1267.884011][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.884011][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.884011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.884011][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.884011][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.884011][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.884011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.884011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.884011][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.884011][ T10] netlink_unicast+0x449/0x710 [ 1267.884011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.884011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.884011][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.884011][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.884011][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.884011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.884011][ T10] [ 1267.886050][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1267.886050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.886050][ T10] ipv6_find_idev+0x102/0x170 [ 1267.886050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.886050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.886050][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.886050][ T10] netlink_unicast+0x449/0x710 [ 1267.886050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.886050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.886050][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.886050][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.886050][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.886050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.886050][ T10] [ 1267.887598][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1267.887598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.887598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.887598][ T10] ipv6_find_idev+0x102/0x170 [ 1267.887598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.887598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.887598][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.887598][ T10] netlink_unicast+0x449/0x710 [ 1267.887598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.887598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.887598][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.887598][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.887598][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.887598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.887598][ T10] [ 1267.889295][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1267.889566][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1267.889566][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.889566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.889566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.889566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.889566][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.889566][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.889566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.889566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.889566][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.889566][ T10] netlink_unicast+0x449/0x710 [ 1267.889566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.889566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.889566][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.889566][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.889566][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.889566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.889566][ T10] [ 1267.891577][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1267.891577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.891577][ T10] ipv6_find_idev+0x102/0x170 [ 1267.891577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.891577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.891577][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.891577][ T10] netlink_unicast+0x449/0x710 [ 1267.891577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.891577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.891577][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.891577][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.891577][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.891577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.891577][ T10] [ 1267.893125][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1267.893125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.893125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.893125][ T10] ipv6_find_idev+0x102/0x170 [ 1267.893125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.893125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.893125][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.893125][ T10] netlink_unicast+0x449/0x710 [ 1267.893125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.893125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.893125][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.893125][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.893125][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.893125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.893125][ T10] [ 1267.894814][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1267.895076][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1267.895076][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.895076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.895076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.895076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.895076][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.895076][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.895076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.895076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.895076][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.895076][ T10] netlink_unicast+0x449/0x710 [ 1267.895076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.895076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.895076][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.895076][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.895076][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.895076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.895076][ T10] [ 1267.897086][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1267.897086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.897086][ T10] ipv6_find_idev+0x102/0x170 [ 1267.897086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.897086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.897086][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.897086][ T10] netlink_unicast+0x449/0x710 [ 1267.897086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.897086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.897086][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.897086][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.897086][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.897086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.897086][ T10] [ 1267.898628][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1267.898628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.898628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.898628][ T10] ipv6_find_idev+0x102/0x170 [ 1267.898628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.898628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.898628][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.898628][ T10] netlink_unicast+0x449/0x710 [ 1267.898628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.898628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.898628][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.898628][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.898628][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.898628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.898628][ T10] [ 1267.900717][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1267.901041][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1267.901041][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.901041][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.901041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.901041][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.901041][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.901041][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.901041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.901041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.901041][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.901041][ T10] netlink_unicast+0x449/0x710 [ 1267.901041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.901041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.901041][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.901041][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.901041][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.901041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.901041][ T10] [ 1267.903036][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1267.903036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.903036][ T10] ipv6_find_idev+0x102/0x170 [ 1267.903036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.903036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.903036][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.903036][ T10] netlink_unicast+0x449/0x710 [ 1267.903036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.903036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.903036][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.903036][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.903036][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.903036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.903036][ T10] [ 1267.904576][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1267.904576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.904576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.904576][ T10] ipv6_find_idev+0x102/0x170 [ 1267.904576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.904576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.904576][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.904576][ T10] netlink_unicast+0x449/0x710 [ 1267.904576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.904576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.904576][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.904576][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.904576][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.904576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.904576][ T10] [ 1267.906325][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1267.906589][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1267.906589][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.906589][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.906589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.906589][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.906589][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.906589][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.906589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.906589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.906589][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.906589][ T10] netlink_unicast+0x449/0x710 [ 1267.906589][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.906589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.906589][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.906589][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.906589][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.906589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.906589][ T10] [ 1267.908722][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1267.908722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.908722][ T10] ipv6_find_idev+0x102/0x170 [ 1267.908722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.908722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.908722][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.908722][ T10] netlink_unicast+0x449/0x710 [ 1267.908722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.908722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.908722][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.908722][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.908722][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.908722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.908722][ T10] [ 1267.910504][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1267.910504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.910504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.910504][ T10] ipv6_find_idev+0x102/0x170 [ 1267.910504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.910504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.910504][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.910504][ T10] netlink_unicast+0x449/0x710 [ 1267.910504][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.910504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.910504][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.910504][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.910504][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.910504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.910504][ T10] [ 1267.912409][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1267.912677][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1267.912677][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.912677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.912677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.912677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.912677][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.912677][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.912677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.912677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.912677][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.912677][ T10] netlink_unicast+0x449/0x710 [ 1267.912677][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.912677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.912677][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.912677][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.912677][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.912677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.912677][ T10] [ 1267.914913][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1267.914913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.914913][ T10] ipv6_find_idev+0x102/0x170 [ 1267.914913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.914913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.914913][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.914913][ T10] netlink_unicast+0x449/0x710 [ 1267.914913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.914913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.914913][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.914913][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.914913][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.914913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.914913][ T10] [ 1267.916639][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1267.916639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.916639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.916639][ T10] ipv6_find_idev+0x102/0x170 [ 1267.916639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.916639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.916639][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.916639][ T10] netlink_unicast+0x449/0x710 [ 1267.916639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.916639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.916639][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.916639][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.916639][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.916639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.916639][ T10] [ 1267.918547][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1267.918877][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1267.918877][ T10] netdev_get_by_index+0x5e/0x80 [ 1267.918877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1267.918877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1267.918877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1267.918877][ T10] ipv6_add_addr+0x411/0x2000 [ 1267.918877][ T10] inet6_addr_add+0x30e/0xa40 [ 1267.918877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.918877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.918877][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.918877][ T10] netlink_unicast+0x449/0x710 [ 1267.918877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.918877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.918877][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.918877][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.918877][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.918877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.918877][ T10] [ 1267.921121][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1267.921121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1267.921121][ T10] ipv6_find_idev+0x102/0x170 [ 1267.921121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.921121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.921121][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.921121][ T10] netlink_unicast+0x449/0x710 [ 1267.921121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.921121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.921121][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.921121][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.921121][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.921121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.921121][ T10] [ 1267.922848][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1267.922848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1267.922848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1267.922848][ T10] ipv6_find_idev+0x102/0x170 [ 1267.922848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.922848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.922848][ T10] netlink_rcv_skb+0x130/0x360 [ 1267.922848][ T10] netlink_unicast+0x449/0x710 [ 1267.922848][ T10] netlink_sendmsg+0x723/0xbe0 [ 1267.922848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1267.922848][ T10] ___sys_sendmsg+0xee/0x170 [ 1267.922848][ T10] __sys_sendmsg+0xcd/0x170 [ 1267.922848][ T10] do_syscall_64+0xc6/0x1e0 [ 1267.922848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.922848][ T10] [ 1277.965978][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1277.966474][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1277.966474][ T10] netdev_get_by_index+0x5e/0x80 [ 1277.966474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1277.966474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1277.966474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1277.966474][ T10] ipv6_add_addr+0x411/0x2000 [ 1277.966474][ T10] inet6_addr_add+0x30e/0xa40 [ 1277.966474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.966474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.966474][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.966474][ T10] netlink_unicast+0x449/0x710 [ 1277.966474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.966474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.966474][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.966474][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.966474][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.966474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.966474][ T10] [ 1277.968467][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1277.968467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1277.968467][ T10] ipv6_find_idev+0x102/0x170 [ 1277.968467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.968467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.968467][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.968467][ T10] netlink_unicast+0x449/0x710 [ 1277.968467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.968467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.968467][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.968467][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.968467][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.968467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.968467][ T10] [ 1277.969991][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1277.969991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1277.969991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1277.969991][ T10] ipv6_find_idev+0x102/0x170 [ 1277.969991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.969991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.969991][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.969991][ T10] netlink_unicast+0x449/0x710 [ 1277.969991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.969991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.969991][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.969991][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.969991][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.969991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.969991][ T10] [ 1277.971829][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1277.972128][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1277.972128][ T10] netdev_get_by_index+0x5e/0x80 [ 1277.972128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1277.972128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1277.972128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1277.972128][ T10] ipv6_add_addr+0x411/0x2000 [ 1277.972128][ T10] inet6_addr_add+0x30e/0xa40 [ 1277.972128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.972128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.972128][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.972128][ T10] netlink_unicast+0x449/0x710 [ 1277.972128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.972128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.972128][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.972128][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.972128][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.972128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.972128][ T10] [ 1277.974317][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1277.974317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1277.974317][ T10] ipv6_find_idev+0x102/0x170 [ 1277.974317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.974317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.974317][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.974317][ T10] netlink_unicast+0x449/0x710 [ 1277.974317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.974317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.974317][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.974317][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.974317][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.974317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.974317][ T10] [ 1277.975967][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1277.975967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1277.975967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1277.975967][ T10] ipv6_find_idev+0x102/0x170 [ 1277.975967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.975967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.975967][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.975967][ T10] netlink_unicast+0x449/0x710 [ 1277.975967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.975967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.975967][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.975967][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.975967][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.975967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.975967][ T10] [ 1277.977633][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1277.977916][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1277.977916][ T10] netdev_get_by_index+0x5e/0x80 [ 1277.977916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1277.977916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1277.977916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1277.977916][ T10] ipv6_add_addr+0x411/0x2000 [ 1277.977916][ T10] inet6_addr_add+0x30e/0xa40 [ 1277.977916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.977916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.977916][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.977916][ T10] netlink_unicast+0x449/0x710 [ 1277.977916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.977916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.977916][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.977916][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.977916][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.977916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.977916][ T10] [ 1277.980104][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1277.980104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1277.980104][ T10] ipv6_find_idev+0x102/0x170 [ 1277.980104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.980104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.980104][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.980104][ T10] netlink_unicast+0x449/0x710 [ 1277.980104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.980104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.980104][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.980104][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.980104][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.980104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.980104][ T10] [ 1277.981802][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1277.981802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1277.981802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1277.981802][ T10] ipv6_find_idev+0x102/0x170 [ 1277.981802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.981802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.981802][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.981802][ T10] netlink_unicast+0x449/0x710 [ 1277.981802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.981802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.981802][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.981802][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.981802][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.981802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.981802][ T10] [ 1277.983551][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1277.983812][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1277.983812][ T10] netdev_get_by_index+0x5e/0x80 [ 1277.983812][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1277.983812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1277.983812][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1277.983812][ T10] ipv6_add_addr+0x411/0x2000 [ 1277.983812][ T10] inet6_addr_add+0x30e/0xa40 [ 1277.983812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.983812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.983812][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.983812][ T10] netlink_unicast+0x449/0x710 [ 1277.983812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.983812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.983812][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.983812][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.983812][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.983812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.983812][ T10] [ 1277.985903][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1277.985903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1277.985903][ T10] ipv6_find_idev+0x102/0x170 [ 1277.985903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.985903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.985903][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.985903][ T10] netlink_unicast+0x449/0x710 [ 1277.985903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.985903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.985903][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.985903][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.985903][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.985903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.985903][ T10] [ 1277.987587][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1277.987587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1277.987587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1277.987587][ T10] ipv6_find_idev+0x102/0x170 [ 1277.987587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.987587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.987587][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.987587][ T10] netlink_unicast+0x449/0x710 [ 1277.987587][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.987587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.987587][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.987587][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.987587][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.987587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.987587][ T10] [ 1277.989442][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1277.989715][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1277.989715][ T10] netdev_get_by_index+0x5e/0x80 [ 1277.989715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1277.989715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1277.989715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1277.989715][ T10] ipv6_add_addr+0x411/0x2000 [ 1277.989715][ T10] inet6_addr_add+0x30e/0xa40 [ 1277.989715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.989715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.989715][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.989715][ T10] netlink_unicast+0x449/0x710 [ 1277.989715][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.989715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.989715][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.989715][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.989715][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.989715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.989715][ T10] [ 1277.991700][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1277.991700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1277.991700][ T10] ipv6_find_idev+0x102/0x170 [ 1277.991700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.991700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.991700][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.991700][ T10] netlink_unicast+0x449/0x710 [ 1277.991700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.991700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.991700][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.991700][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.991700][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.991700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.991700][ T10] [ 1277.993444][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1277.993444][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1277.993444][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1277.993444][ T10] ipv6_find_idev+0x102/0x170 [ 1277.993444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.993444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.993444][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.993444][ T10] netlink_unicast+0x449/0x710 [ 1277.993444][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.993444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.993444][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.993444][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.993444][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.993444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.993444][ T10] [ 1277.995636][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1277.995975][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1277.995975][ T10] netdev_get_by_index+0x5e/0x80 [ 1277.995975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1277.995975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1277.995975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1277.995975][ T10] ipv6_add_addr+0x411/0x2000 [ 1277.995975][ T10] inet6_addr_add+0x30e/0xa40 [ 1277.995975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.995975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.995975][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.995975][ T10] netlink_unicast+0x449/0x710 [ 1277.995975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.995975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.995975][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.995975][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.995975][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.995975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.995975][ T10] [ 1277.998193][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1277.998193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1277.998193][ T10] ipv6_find_idev+0x102/0x170 [ 1277.998193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.998193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.998193][ T10] netlink_rcv_skb+0x130/0x360 [ 1277.998193][ T10] netlink_unicast+0x449/0x710 [ 1277.998193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1277.998193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1277.998193][ T10] ___sys_sendmsg+0xee/0x170 [ 1277.998193][ T10] __sys_sendmsg+0xcd/0x170 [ 1277.998193][ T10] do_syscall_64+0xc6/0x1e0 [ 1277.998193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.998193][ T10] [ 1278.000007][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1278.000007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1278.000007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1278.000007][ T10] ipv6_find_idev+0x102/0x170 [ 1278.000007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.000007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.000007][ T10] netlink_rcv_skb+0x130/0x360 [ 1278.000007][ T10] netlink_unicast+0x449/0x710 [ 1278.000007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1278.000007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1278.000007][ T10] ___sys_sendmsg+0xee/0x170 [ 1278.000007][ T10] __sys_sendmsg+0xcd/0x170 [ 1278.000007][ T10] do_syscall_64+0xc6/0x1e0 [ 1278.000007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.000007][ T10] [ 1278.002043][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1278.002328][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1278.002328][ T10] netdev_get_by_index+0x5e/0x80 [ 1278.002328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1278.002328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1278.002328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1278.002328][ T10] ipv6_add_addr+0x411/0x2000 [ 1278.002328][ T10] inet6_addr_add+0x30e/0xa40 [ 1278.002328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.002328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.002328][ T10] netlink_rcv_skb+0x130/0x360 [ 1278.002328][ T10] netlink_unicast+0x449/0x710 [ 1278.002328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1278.002328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1278.002328][ T10] ___sys_sendmsg+0xee/0x170 [ 1278.002328][ T10] __sys_sendmsg+0xcd/0x170 [ 1278.002328][ T10] do_syscall_64+0xc6/0x1e0 [ 1278.002328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.002328][ T10] [ 1278.004682][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1278.004682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1278.004682][ T10] ipv6_find_idev+0x102/0x170 [ 1278.004682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.004682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.004682][ T10] netlink_rcv_skb+0x130/0x360 [ 1278.004682][ T10] netlink_unicast+0x449/0x710 [ 1278.004682][ T10] netlink_sendmsg+0x723/0xbe0 [ 1278.004682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1278.004682][ T10] ___sys_sendmsg+0xee/0x170 [ 1278.004682][ T10] __sys_sendmsg+0xcd/0x170 [ 1278.004682][ T10] do_syscall_64+0xc6/0x1e0 [ 1278.004682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.004682][ T10] [ 1278.006599][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1278.006599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1278.006599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1278.006599][ T10] ipv6_find_idev+0x102/0x170 [ 1278.006599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.006599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.006599][ T10] netlink_rcv_skb+0x130/0x360 [ 1278.006599][ T10] netlink_unicast+0x449/0x710 [ 1278.006599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1278.006599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1278.006599][ T10] ___sys_sendmsg+0xee/0x170 [ 1278.006599][ T10] __sys_sendmsg+0xcd/0x170 [ 1278.006599][ T10] do_syscall_64+0xc6/0x1e0 [ 1278.006599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.006599][ T10] [ 1278.008647][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1278.008978][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1278.008978][ T10] netdev_get_by_index+0x5e/0x80 [ 1278.008978][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1278.008978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1278.008978][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1278.008978][ T10] ipv6_add_addr+0x411/0x2000 [ 1278.008978][ T10] inet6_addr_add+0x30e/0xa40 [ 1278.008978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.008978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.008978][ T10] netlink_rcv_skb+0x130/0x360 [ 1278.008978][ T10] netlink_unicast+0x449/0x710 [ 1278.008978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1278.008978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1278.008978][ T10] ___sys_sendmsg+0xee/0x170 [ 1278.008978][ T10] __sys_sendmsg+0xcd/0x170 [ 1278.008978][ T10] do_syscall_64+0xc6/0x1e0 [ 1278.008978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.008978][ T10] [ 1278.011366][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1278.011366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1278.011366][ T10] ipv6_find_idev+0x102/0x170 [ 1278.011366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.011366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.011366][ T10] netlink_rcv_skb+0x130/0x360 [ 1278.011366][ T10] netlink_unicast+0x449/0x710 [ 1278.011366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1278.011366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1278.011366][ T10] ___sys_sendmsg+0xee/0x170 [ 1278.011366][ T10] __sys_sendmsg+0xcd/0x170 [ 1278.011366][ T10] do_syscall_64+0xc6/0x1e0 [ 1278.011366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.011366][ T10] [ 1278.013231][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1278.013231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1278.013231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1278.013231][ T10] ipv6_find_idev+0x102/0x170 [ 1278.013231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.013231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.013231][ T10] netlink_rcv_skb+0x130/0x360 [ 1278.013231][ T10] netlink_unicast+0x449/0x710 [ 1278.013231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1278.013231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1278.013231][ T10] ___sys_sendmsg+0xee/0x170 [ 1278.013231][ T10] __sys_sendmsg+0xcd/0x170 [ 1278.013231][ T10] do_syscall_64+0xc6/0x1e0 [ 1278.013231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.013231][ T10] [ 1288.173938][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1288.174374][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1288.174374][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.174374][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.174374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.174374][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.174374][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.174374][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.174374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.174374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.174374][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.174374][ T10] netlink_unicast+0x449/0x710 [ 1288.174374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.174374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.174374][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.174374][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.174374][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.174374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.174374][ T10] [ 1288.176384][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1288.176384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.176384][ T10] ipv6_find_idev+0x102/0x170 [ 1288.176384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.176384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.176384][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.176384][ T10] netlink_unicast+0x449/0x710 [ 1288.176384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.176384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.176384][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.176384][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.176384][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.176384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.176384][ T10] [ 1288.178037][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1288.178037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.178037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.178037][ T10] ipv6_find_idev+0x102/0x170 [ 1288.178037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.178037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.178037][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.178037][ T10] netlink_unicast+0x449/0x710 [ 1288.178037][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.178037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.178037][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.178037][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.178037][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.178037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.178037][ T10] [ 1288.179734][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1288.180023][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1288.180023][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.180023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.180023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.180023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.180023][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.180023][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.180023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.180023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.180023][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.180023][ T10] netlink_unicast+0x449/0x710 [ 1288.180023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.180023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.180023][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.180023][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.180023][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.180023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.180023][ T10] [ 1288.182010][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1288.182010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.182010][ T10] ipv6_find_idev+0x102/0x170 [ 1288.182010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.182010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.182010][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.182010][ T10] netlink_unicast+0x449/0x710 [ 1288.182010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.182010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.182010][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.182010][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.182010][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.182010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.182010][ T10] [ 1288.183541][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1288.183541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.183541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.183541][ T10] ipv6_find_idev+0x102/0x170 [ 1288.183541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.183541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.183541][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.183541][ T10] netlink_unicast+0x449/0x710 [ 1288.183541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.183541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.183541][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.183541][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.183541][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.183541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.183541][ T10] [ 1288.185220][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1288.185484][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1288.185484][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.185484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.185484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.185484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.185484][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.185484][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.185484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.185484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.185484][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.185484][ T10] netlink_unicast+0x449/0x710 [ 1288.185484][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.185484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.185484][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.185484][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.185484][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.185484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.185484][ T10] [ 1288.187524][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1288.187524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.187524][ T10] ipv6_find_idev+0x102/0x170 [ 1288.187524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.187524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.187524][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.187524][ T10] netlink_unicast+0x449/0x710 [ 1288.187524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.187524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.187524][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.187524][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.187524][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.187524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.187524][ T10] [ 1288.189053][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1288.189053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.189053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.189053][ T10] ipv6_find_idev+0x102/0x170 [ 1288.189053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.189053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.189053][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.189053][ T10] netlink_unicast+0x449/0x710 [ 1288.189053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.189053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.189053][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.189053][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.189053][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.189053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.189053][ T10] [ 1288.190720][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1288.191420][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1288.191420][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.191420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.191420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.191420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.191420][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.191420][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.191420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.191420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.191420][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.191420][ T10] netlink_unicast+0x449/0x710 [ 1288.191420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.191420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.191420][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.191420][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.191420][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.191420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.191420][ T10] [ 1288.193401][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1288.193401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.193401][ T10] ipv6_find_idev+0x102/0x170 [ 1288.193401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.193401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.193401][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.193401][ T10] netlink_unicast+0x449/0x710 [ 1288.193401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.193401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.193401][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.193401][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.193401][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.193401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.193401][ T10] [ 1288.194964][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1288.194964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.194964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.194964][ T10] ipv6_find_idev+0x102/0x170 [ 1288.194964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.194964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.194964][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.194964][ T10] netlink_unicast+0x449/0x710 [ 1288.194964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.194964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.194964][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.194964][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.194964][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.194964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.194964][ T10] [ 1288.196709][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1288.197035][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1288.197035][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.197035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.197035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.197035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.197035][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.197035][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.197035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.197035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.197035][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.197035][ T10] netlink_unicast+0x449/0x710 [ 1288.197035][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.197035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.197035][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.197035][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.197035][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.197035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.197035][ T10] [ 1288.199055][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1288.199055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.199055][ T10] ipv6_find_idev+0x102/0x170 [ 1288.199055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.199055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.199055][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.199055][ T10] netlink_unicast+0x449/0x710 [ 1288.199055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.199055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.199055][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.199055][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.199055][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.199055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.199055][ T10] [ 1288.200619][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1288.200619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.200619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.200619][ T10] ipv6_find_idev+0x102/0x170 [ 1288.200619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.200619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.200619][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.200619][ T10] netlink_unicast+0x449/0x710 [ 1288.200619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.200619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.200619][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.200619][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.200619][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.200619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.200619][ T10] [ 1288.202355][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1288.202618][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1288.202618][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.202618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.202618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.202618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.202618][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.202618][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.202618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.202618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.202618][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.202618][ T10] netlink_unicast+0x449/0x710 [ 1288.202618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.202618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.202618][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.202618][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.202618][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.202618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.202618][ T10] [ 1288.205234][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1288.205234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.205234][ T10] ipv6_find_idev+0x102/0x170 [ 1288.205234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.205234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.205234][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.205234][ T10] netlink_unicast+0x449/0x710 [ 1288.205234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.205234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.205234][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.205234][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.205234][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.205234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.205234][ T10] [ 1288.207048][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1288.207048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.207048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.207048][ T10] ipv6_find_idev+0x102/0x170 [ 1288.207048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.207048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.207048][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.207048][ T10] netlink_unicast+0x449/0x710 [ 1288.207048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.207048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.207048][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.207048][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.207048][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.207048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.207048][ T10] [ 1288.209022][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1288.209292][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1288.209292][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.209292][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.209292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.209292][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.209292][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.209292][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.209292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.209292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.209292][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.209292][ T10] netlink_unicast+0x449/0x710 [ 1288.209292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.209292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.209292][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.209292][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.209292][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.209292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.209292][ T10] [ 1288.211470][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1288.211470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.211470][ T10] ipv6_find_idev+0x102/0x170 [ 1288.211470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.211470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.211470][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.211470][ T10] netlink_unicast+0x449/0x710 [ 1288.211470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.211470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.211470][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.211470][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.211470][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.211470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.211470][ T10] [ 1288.213202][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1288.213202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.213202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.213202][ T10] ipv6_find_idev+0x102/0x170 [ 1288.213202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.213202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.213202][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.213202][ T10] netlink_unicast+0x449/0x710 [ 1288.213202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.213202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.213202][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.213202][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.213202][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.213202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.213202][ T10] [ 1288.215102][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1288.215416][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1288.215416][ T10] netdev_get_by_index+0x5e/0x80 [ 1288.215416][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1288.215416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1288.215416][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1288.215416][ T10] ipv6_add_addr+0x411/0x2000 [ 1288.215416][ T10] inet6_addr_add+0x30e/0xa40 [ 1288.215416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.215416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.215416][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.215416][ T10] netlink_unicast+0x449/0x710 [ 1288.215416][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.215416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.215416][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.215416][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.215416][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.215416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.215416][ T10] [ 1288.217661][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1288.217661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1288.217661][ T10] ipv6_find_idev+0x102/0x170 [ 1288.217661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.217661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.217661][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.217661][ T10] netlink_unicast+0x449/0x710 [ 1288.217661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.217661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.217661][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.217661][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.217661][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.217661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.217661][ T10] [ 1288.219379][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1288.219379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1288.219379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1288.219379][ T10] ipv6_find_idev+0x102/0x170 [ 1288.219379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.219379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.219379][ T10] netlink_rcv_skb+0x130/0x360 [ 1288.219379][ T10] netlink_unicast+0x449/0x710 [ 1288.219379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1288.219379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1288.219379][ T10] ___sys_sendmsg+0xee/0x170 [ 1288.219379][ T10] __sys_sendmsg+0xcd/0x170 [ 1288.219379][ T10] do_syscall_64+0xc6/0x1e0 [ 1288.219379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.219379][ T10] [ 1298.309935][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1298.310425][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1298.310425][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.310425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.310425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.310425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.310425][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.310425][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.310425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.310425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.310425][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.310425][ T10] netlink_unicast+0x449/0x710 [ 1298.310425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.310425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.310425][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.310425][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.310425][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.310425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.310425][ T10] [ 1298.312425][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1298.312425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.312425][ T10] ipv6_find_idev+0x102/0x170 [ 1298.312425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.312425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.312425][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.312425][ T10] netlink_unicast+0x449/0x710 [ 1298.312425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.312425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.312425][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.312425][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.312425][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.312425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.312425][ T10] [ 1298.313959][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1298.313959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.313959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.313959][ T10] ipv6_find_idev+0x102/0x170 [ 1298.313959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.313959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.313959][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.313959][ T10] netlink_unicast+0x449/0x710 [ 1298.313959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.313959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.313959][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.313959][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.313959][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.313959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.313959][ T10] [ 1298.316033][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1298.316308][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1298.316308][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.316308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.316308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.316308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.316308][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.316308][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.316308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.316308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.316308][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.316308][ T10] netlink_unicast+0x449/0x710 [ 1298.316308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.316308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.316308][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.316308][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.316308][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.316308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.316308][ T10] [ 1298.318291][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1298.318291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.318291][ T10] ipv6_find_idev+0x102/0x170 [ 1298.318291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.318291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.318291][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.318291][ T10] netlink_unicast+0x449/0x710 [ 1298.318291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.318291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.318291][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.318291][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.318291][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.318291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.318291][ T10] [ 1298.319835][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1298.319835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.319835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.319835][ T10] ipv6_find_idev+0x102/0x170 [ 1298.319835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.319835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.319835][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.319835][ T10] netlink_unicast+0x449/0x710 [ 1298.319835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.319835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.319835][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.319835][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.319835][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.319835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.319835][ T10] [ 1298.321515][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1298.321779][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1298.321779][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.321779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.321779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.321779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.321779][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.321779][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.321779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.321779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.321779][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.321779][ T10] netlink_unicast+0x449/0x710 [ 1298.321779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.321779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.321779][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.321779][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.321779][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.321779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.321779][ T10] [ 1298.323757][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1298.323757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.323757][ T10] ipv6_find_idev+0x102/0x170 [ 1298.323757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.323757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.323757][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.323757][ T10] netlink_unicast+0x449/0x710 [ 1298.323757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.323757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.323757][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.323757][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.323757][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.323757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.323757][ T10] [ 1298.325282][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1298.325282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.325282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.325282][ T10] ipv6_find_idev+0x102/0x170 [ 1298.325282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.325282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.325282][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.325282][ T10] netlink_unicast+0x449/0x710 [ 1298.325282][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.325282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.325282][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.325282][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.325282][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.325282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.325282][ T10] [ 1298.326955][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1298.327214][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1298.327214][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.327214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.327214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.327214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.327214][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.327214][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.327214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.327214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.327214][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.327214][ T10] netlink_unicast+0x449/0x710 [ 1298.327214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.327214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.327214][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.327214][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.327214][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.327214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.327214][ T10] [ 1298.329197][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1298.329197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.329197][ T10] ipv6_find_idev+0x102/0x170 [ 1298.329197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.329197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.329197][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.329197][ T10] netlink_unicast+0x449/0x710 [ 1298.329197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.329197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.329197][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.329197][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.329197][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.329197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.329197][ T10] [ 1298.330721][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1298.330721][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.330721][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.330721][ T10] ipv6_find_idev+0x102/0x170 [ 1298.330721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.330721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.330721][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.330721][ T10] netlink_unicast+0x449/0x710 [ 1298.330721][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.330721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.330721][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.330721][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.330721][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.330721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.330721][ T10] [ 1298.332793][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1298.333056][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1298.333056][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.333056][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.333056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.333056][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.333056][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.333056][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.333056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.333056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.333056][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.333056][ T10] netlink_unicast+0x449/0x710 [ 1298.333056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.333056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.333056][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.333056][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.333056][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.333056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.333056][ T10] [ 1298.335030][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1298.335030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.335030][ T10] ipv6_find_idev+0x102/0x170 [ 1298.335030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.335030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.335030][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.335030][ T10] netlink_unicast+0x449/0x710 [ 1298.335030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.335030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.335030][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.335030][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.335030][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.335030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.335030][ T10] [ 1298.336555][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1298.336555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.336555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.336555][ T10] ipv6_find_idev+0x102/0x170 [ 1298.336555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.336555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.336555][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.336555][ T10] netlink_unicast+0x449/0x710 [ 1298.336555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.336555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.336555][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.336555][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.336555][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.336555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.336555][ T10] [ 1298.338258][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1298.338517][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1298.338517][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.338517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.338517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.338517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.338517][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.338517][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.338517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.338517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.338517][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.338517][ T10] netlink_unicast+0x449/0x710 [ 1298.338517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.338517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.338517][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.338517][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.338517][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.338517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.338517][ T10] [ 1298.340623][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1298.340623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.340623][ T10] ipv6_find_idev+0x102/0x170 [ 1298.340623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.340623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.340623][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.340623][ T10] netlink_unicast+0x449/0x710 [ 1298.340623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.340623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.340623][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.340623][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.340623][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.340623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.340623][ T10] [ 1298.342329][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1298.342329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.342329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.342329][ T10] ipv6_find_idev+0x102/0x170 [ 1298.342329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.342329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.342329][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.342329][ T10] netlink_unicast+0x449/0x710 [ 1298.342329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.342329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.342329][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.342329][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.342329][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.342329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.342329][ T10] [ 1298.344336][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1298.344599][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1298.344599][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.344599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.344599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.344599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.344599][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.344599][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.344599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.344599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.344599][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.344599][ T10] netlink_unicast+0x449/0x710 [ 1298.344599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.344599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.344599][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.344599][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.344599][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.344599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.344599][ T10] [ 1298.346898][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1298.346898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.346898][ T10] ipv6_find_idev+0x102/0x170 [ 1298.346898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.346898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.346898][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.346898][ T10] netlink_unicast+0x449/0x710 [ 1298.346898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.346898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.346898][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.346898][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.346898][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.346898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.346898][ T10] [ 1298.348687][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1298.348687][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.348687][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.348687][ T10] ipv6_find_idev+0x102/0x170 [ 1298.348687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.348687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.348687][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.348687][ T10] netlink_unicast+0x449/0x710 [ 1298.348687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.348687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.348687][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.348687][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.348687][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.348687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.348687][ T10] [ 1298.350669][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1298.350996][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1298.350996][ T10] netdev_get_by_index+0x5e/0x80 [ 1298.350996][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1298.350996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1298.350996][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1298.350996][ T10] ipv6_add_addr+0x411/0x2000 [ 1298.350996][ T10] inet6_addr_add+0x30e/0xa40 [ 1298.350996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.350996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.350996][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.350996][ T10] netlink_unicast+0x449/0x710 [ 1298.350996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.350996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.350996][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.350996][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.350996][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.350996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.350996][ T10] [ 1298.353415][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1298.353415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1298.353415][ T10] ipv6_find_idev+0x102/0x170 [ 1298.353415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.353415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.353415][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.353415][ T10] netlink_unicast+0x449/0x710 [ 1298.353415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.353415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.353415][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.353415][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.353415][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.353415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.353415][ T10] [ 1298.355567][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1298.355567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1298.355567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1298.355567][ T10] ipv6_find_idev+0x102/0x170 [ 1298.355567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.355567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.355567][ T10] netlink_rcv_skb+0x130/0x360 [ 1298.355567][ T10] netlink_unicast+0x449/0x710 [ 1298.355567][ T10] netlink_sendmsg+0x723/0xbe0 [ 1298.355567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1298.355567][ T10] ___sys_sendmsg+0xee/0x170 [ 1298.355567][ T10] __sys_sendmsg+0xcd/0x170 [ 1298.355567][ T10] do_syscall_64+0xc6/0x1e0 [ 1298.355567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.355567][ T10] [ 1308.605921][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1308.606382][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1308.606382][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.606382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.606382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.606382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.606382][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.606382][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.606382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.606382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.606382][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.606382][ T10] netlink_unicast+0x449/0x710 [ 1308.606382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.606382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.606382][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.606382][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.606382][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.606382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.606382][ T10] [ 1308.608430][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1308.608430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.608430][ T10] ipv6_find_idev+0x102/0x170 [ 1308.608430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.608430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.608430][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.608430][ T10] netlink_unicast+0x449/0x710 [ 1308.608430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.608430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.608430][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.608430][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.608430][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.608430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.608430][ T10] [ 1308.610079][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1308.610079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.610079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.610079][ T10] ipv6_find_idev+0x102/0x170 [ 1308.610079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.610079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.610079][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.610079][ T10] netlink_unicast+0x449/0x710 [ 1308.610079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.610079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.610079][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.610079][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.610079][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.610079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.610079][ T10] [ 1308.612339][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1308.612618][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1308.612618][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.612618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.612618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.612618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.612618][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.612618][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.612618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.612618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.612618][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.612618][ T10] netlink_unicast+0x449/0x710 [ 1308.612618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.612618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.612618][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.612618][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.612618][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.612618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.612618][ T10] [ 1308.615038][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1308.615038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.615038][ T10] ipv6_find_idev+0x102/0x170 [ 1308.615038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.615038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.615038][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.615038][ T10] netlink_unicast+0x449/0x710 [ 1308.615038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.615038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.615038][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.615038][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.615038][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.615038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.615038][ T10] [ 1308.616613][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1308.616613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.616613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.616613][ T10] ipv6_find_idev+0x102/0x170 [ 1308.616613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.616613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.616613][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.616613][ T10] netlink_unicast+0x449/0x710 [ 1308.616613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.616613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.616613][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.616613][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.616613][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.616613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.616613][ T10] [ 1308.618329][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1308.618601][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1308.618601][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.618601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.618601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.618601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.618601][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.618601][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.618601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.618601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.618601][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.618601][ T10] netlink_unicast+0x449/0x710 [ 1308.618601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.618601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.618601][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.618601][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.618601][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.618601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.618601][ T10] [ 1308.620619][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1308.620619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.620619][ T10] ipv6_find_idev+0x102/0x170 [ 1308.620619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.620619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.620619][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.620619][ T10] netlink_unicast+0x449/0x710 [ 1308.620619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.620619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.620619][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.620619][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.620619][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.620619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.620619][ T10] [ 1308.622167][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1308.622167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.622167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.622167][ T10] ipv6_find_idev+0x102/0x170 [ 1308.622167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.622167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.622167][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.622167][ T10] netlink_unicast+0x449/0x710 [ 1308.622167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.622167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.622167][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.622167][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.622167][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.622167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.622167][ T10] [ 1308.623861][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1308.624215][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1308.624215][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.624215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.624215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.624215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.624215][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.624215][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.624215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.624215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.624215][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.624215][ T10] netlink_unicast+0x449/0x710 [ 1308.624215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.624215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.624215][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.624215][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.624215][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.624215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.624215][ T10] [ 1308.626241][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1308.626241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.626241][ T10] ipv6_find_idev+0x102/0x170 [ 1308.626241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.626241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.626241][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.626241][ T10] netlink_unicast+0x449/0x710 [ 1308.626241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.626241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.626241][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.626241][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.626241][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.626241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.626241][ T10] [ 1308.627785][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1308.627785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.627785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.627785][ T10] ipv6_find_idev+0x102/0x170 [ 1308.627785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.627785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.627785][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.627785][ T10] netlink_unicast+0x449/0x710 [ 1308.627785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.627785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.627785][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.627785][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.627785][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.627785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.627785][ T10] [ 1308.629906][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1308.630510][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1308.630510][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.630510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.630510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.630510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.630510][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.630510][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.630510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.630510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.630510][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.630510][ T10] netlink_unicast+0x449/0x710 [ 1308.630510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.630510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.630510][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.630510][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.630510][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.630510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.630510][ T10] [ 1308.632878][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1308.632878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.632878][ T10] ipv6_find_idev+0x102/0x170 [ 1308.632878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.632878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.632878][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.632878][ T10] netlink_unicast+0x449/0x710 [ 1308.632878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.632878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.632878][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.632878][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.632878][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.632878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.632878][ T10] [ 1308.634436][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1308.634436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.634436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.634436][ T10] ipv6_find_idev+0x102/0x170 [ 1308.634436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.634436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.634436][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.634436][ T10] netlink_unicast+0x449/0x710 [ 1308.634436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.634436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.634436][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.634436][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.634436][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.634436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.634436][ T10] [ 1308.636153][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1308.636432][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1308.636432][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.636432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.636432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.636432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.636432][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.636432][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.636432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.636432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.636432][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.636432][ T10] netlink_unicast+0x449/0x710 [ 1308.636432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.636432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.636432][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.636432][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.636432][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.636432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.636432][ T10] [ 1308.638442][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1308.638442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.638442][ T10] ipv6_find_idev+0x102/0x170 [ 1308.638442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.638442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.638442][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.638442][ T10] netlink_unicast+0x449/0x710 [ 1308.638442][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.638442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.638442][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.638442][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.638442][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.638442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.638442][ T10] [ 1308.640062][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1308.640062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.640062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.640062][ T10] ipv6_find_idev+0x102/0x170 [ 1308.640062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.640062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.640062][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.640062][ T10] netlink_unicast+0x449/0x710 [ 1308.640062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.640062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.640062][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.640062][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.640062][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.640062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.640062][ T10] [ 1308.642054][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1308.642368][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1308.642368][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.642368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.642368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.642368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.642368][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.642368][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.642368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.642368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.642368][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.642368][ T10] netlink_unicast+0x449/0x710 [ 1308.642368][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.642368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.642368][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.642368][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.642368][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.642368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.642368][ T10] [ 1308.644566][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1308.644566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.644566][ T10] ipv6_find_idev+0x102/0x170 [ 1308.644566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.644566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.644566][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.644566][ T10] netlink_unicast+0x449/0x710 [ 1308.644566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.644566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.644566][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.644566][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.644566][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.644566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.644566][ T10] [ 1308.646302][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1308.646302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.646302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.646302][ T10] ipv6_find_idev+0x102/0x170 [ 1308.646302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.646302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.646302][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.646302][ T10] netlink_unicast+0x449/0x710 [ 1308.646302][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.646302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.646302][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.646302][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.646302][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.646302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.646302][ T10] [ 1308.648223][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1308.648547][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1308.648547][ T10] netdev_get_by_index+0x5e/0x80 [ 1308.648547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1308.648547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1308.648547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1308.648547][ T10] ipv6_add_addr+0x411/0x2000 [ 1308.648547][ T10] inet6_addr_add+0x30e/0xa40 [ 1308.648547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.648547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.648547][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.648547][ T10] netlink_unicast+0x449/0x710 [ 1308.648547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.648547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.648547][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.648547][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.648547][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.648547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.648547][ T10] [ 1308.650737][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1308.650737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1308.650737][ T10] ipv6_find_idev+0x102/0x170 [ 1308.650737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.650737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.650737][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.650737][ T10] netlink_unicast+0x449/0x710 [ 1308.650737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.650737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.650737][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.650737][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.650737][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.650737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.650737][ T10] [ 1308.652471][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1308.652471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1308.652471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1308.652471][ T10] ipv6_find_idev+0x102/0x170 [ 1308.652471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.652471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.652471][ T10] netlink_rcv_skb+0x130/0x360 [ 1308.652471][ T10] netlink_unicast+0x449/0x710 [ 1308.652471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1308.652471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1308.652471][ T10] ___sys_sendmsg+0xee/0x170 [ 1308.652471][ T10] __sys_sendmsg+0xcd/0x170 [ 1308.652471][ T10] do_syscall_64+0xc6/0x1e0 [ 1308.652471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.652471][ T10] [ 1318.861816][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1318.862333][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1318.862333][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.862333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.862333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.862333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.862333][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.862333][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.862333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.862333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.862333][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.862333][ T10] netlink_unicast+0x449/0x710 [ 1318.862333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.862333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.862333][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.862333][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.862333][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.862333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.862333][ T10] [ 1318.864414][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1318.864414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.864414][ T10] ipv6_find_idev+0x102/0x170 [ 1318.864414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.864414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.864414][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.864414][ T10] netlink_unicast+0x449/0x710 [ 1318.864414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.864414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.864414][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.864414][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.864414][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.864414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.864414][ T10] [ 1318.865972][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1318.865972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.865972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.865972][ T10] ipv6_find_idev+0x102/0x170 [ 1318.865972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.865972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.865972][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.865972][ T10] netlink_unicast+0x449/0x710 [ 1318.865972][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.865972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.865972][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.865972][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.865972][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.865972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.865972][ T10] [ 1318.867697][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1318.867990][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1318.867990][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.867990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.867990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.867990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.867990][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.867990][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.867990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.867990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.867990][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.867990][ T10] netlink_unicast+0x449/0x710 [ 1318.867990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.867990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.867990][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.867990][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.867990][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.867990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.867990][ T10] [ 1318.870001][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1318.870001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.870001][ T10] ipv6_find_idev+0x102/0x170 [ 1318.870001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.870001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.870001][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.870001][ T10] netlink_unicast+0x449/0x710 [ 1318.870001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.870001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.870001][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.870001][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.870001][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.870001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.870001][ T10] [ 1318.871565][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1318.871565][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.871565][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.871565][ T10] ipv6_find_idev+0x102/0x170 [ 1318.871565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.871565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.871565][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.871565][ T10] netlink_unicast+0x449/0x710 [ 1318.871565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.871565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.871565][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.871565][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.871565][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.871565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.871565][ T10] [ 1318.873292][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1318.873568][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1318.873568][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.873568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.873568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.873568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.873568][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.873568][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.873568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.873568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.873568][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.873568][ T10] netlink_unicast+0x449/0x710 [ 1318.873568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.873568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.873568][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.873568][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.873568][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.873568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.873568][ T10] [ 1318.875981][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1318.875981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.875981][ T10] ipv6_find_idev+0x102/0x170 [ 1318.875981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.875981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.875981][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.875981][ T10] netlink_unicast+0x449/0x710 [ 1318.875981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.875981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.875981][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.875981][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.875981][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.875981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.875981][ T10] [ 1318.877547][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1318.877547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.877547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.877547][ T10] ipv6_find_idev+0x102/0x170 [ 1318.877547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.877547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.877547][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.877547][ T10] netlink_unicast+0x449/0x710 [ 1318.877547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.877547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.877547][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.877547][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.877547][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.877547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.877547][ T10] [ 1318.879259][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1318.879530][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1318.879530][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.879530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.879530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.879530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.879530][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.879530][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.879530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.879530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.879530][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.879530][ T10] netlink_unicast+0x449/0x710 [ 1318.879530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.879530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.879530][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.879530][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.879530][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.879530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.879530][ T10] [ 1318.881547][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1318.881547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.881547][ T10] ipv6_find_idev+0x102/0x170 [ 1318.881547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.881547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.881547][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.881547][ T10] netlink_unicast+0x449/0x710 [ 1318.881547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.881547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.881547][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.881547][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.881547][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.881547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.881547][ T10] [ 1318.883102][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1318.883102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.883102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.883102][ T10] ipv6_find_idev+0x102/0x170 [ 1318.883102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.883102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.883102][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.883102][ T10] netlink_unicast+0x449/0x710 [ 1318.883102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.883102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.883102][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.883102][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.883102][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.883102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.883102][ T10] [ 1318.885211][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1318.885835][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1318.885835][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.885835][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.885835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.885835][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.885835][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.885835][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.885835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.885835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.885835][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.885835][ T10] netlink_unicast+0x449/0x710 [ 1318.885835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.885835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.885835][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.885835][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.885835][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.885835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.885835][ T10] [ 1318.887854][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1318.887854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.887854][ T10] ipv6_find_idev+0x102/0x170 [ 1318.887854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.887854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.887854][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.887854][ T10] netlink_unicast+0x449/0x710 [ 1318.887854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.887854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.887854][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.887854][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.887854][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.887854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.887854][ T10] [ 1318.889410][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1318.889410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.889410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.889410][ T10] ipv6_find_idev+0x102/0x170 [ 1318.889410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.889410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.889410][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.889410][ T10] netlink_unicast+0x449/0x710 [ 1318.889410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.889410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.889410][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.889410][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.889410][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.889410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.889410][ T10] [ 1318.891108][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1318.891379][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1318.891379][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.891379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.891379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.891379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.891379][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.891379][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.891379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.891379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.891379][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.891379][ T10] netlink_unicast+0x449/0x710 [ 1318.891379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.891379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.891379][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.891379][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.891379][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.891379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.891379][ T10] [ 1318.893401][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1318.893401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.893401][ T10] ipv6_find_idev+0x102/0x170 [ 1318.893401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.893401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.893401][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.893401][ T10] netlink_unicast+0x449/0x710 [ 1318.893401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.893401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.893401][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.893401][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.893401][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.893401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.893401][ T10] [ 1318.895019][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1318.895019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.895019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.895019][ T10] ipv6_find_idev+0x102/0x170 [ 1318.895019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.895019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.895019][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.895019][ T10] netlink_unicast+0x449/0x710 [ 1318.895019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.895019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.895019][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.895019][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.895019][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.895019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.895019][ T10] [ 1318.896833][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1318.897146][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1318.897146][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.897146][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.897146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.897146][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.897146][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.897146][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.897146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.897146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.897146][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.897146][ T10] netlink_unicast+0x449/0x710 [ 1318.897146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.897146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.897146][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.897146][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.897146][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.897146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.897146][ T10] [ 1318.899307][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1318.899307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.899307][ T10] ipv6_find_idev+0x102/0x170 [ 1318.899307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.899307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.899307][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.899307][ T10] netlink_unicast+0x449/0x710 [ 1318.899307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.899307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.899307][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.899307][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.899307][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.899307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.899307][ T10] [ 1318.900983][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1318.900983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.900983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.900983][ T10] ipv6_find_idev+0x102/0x170 [ 1318.900983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.900983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.900983][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.900983][ T10] netlink_unicast+0x449/0x710 [ 1318.900983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.900983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.900983][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.900983][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.900983][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.900983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.900983][ T10] [ 1318.902785][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1318.903116][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1318.903116][ T10] netdev_get_by_index+0x5e/0x80 [ 1318.903116][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1318.903116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1318.903116][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1318.903116][ T10] ipv6_add_addr+0x411/0x2000 [ 1318.903116][ T10] inet6_addr_add+0x30e/0xa40 [ 1318.903116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.903116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.903116][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.903116][ T10] netlink_unicast+0x449/0x710 [ 1318.903116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.903116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.903116][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.903116][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.903116][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.903116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.903116][ T10] [ 1318.905259][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1318.905259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1318.905259][ T10] ipv6_find_idev+0x102/0x170 [ 1318.905259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.905259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.905259][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.905259][ T10] netlink_unicast+0x449/0x710 [ 1318.905259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.905259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.905259][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.905259][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.905259][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.905259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.905259][ T10] [ 1318.906879][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1318.906879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1318.906879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1318.906879][ T10] ipv6_find_idev+0x102/0x170 [ 1318.906879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.906879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.906879][ T10] netlink_rcv_skb+0x130/0x360 [ 1318.906879][ T10] netlink_unicast+0x449/0x710 [ 1318.906879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1318.906879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1318.906879][ T10] ___sys_sendmsg+0xee/0x170 [ 1318.906879][ T10] __sys_sendmsg+0xcd/0x170 [ 1318.906879][ T10] do_syscall_64+0xc6/0x1e0 [ 1318.906879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.906879][ T10] [ 1329.093863][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1329.094297][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1329.094297][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.094297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.094297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.094297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.094297][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.094297][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.094297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.094297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.094297][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.094297][ T10] netlink_unicast+0x449/0x710 [ 1329.094297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.094297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.094297][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.094297][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.094297][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.094297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.094297][ T10] [ 1329.096292][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1329.096292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.096292][ T10] ipv6_find_idev+0x102/0x170 [ 1329.096292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.096292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.096292][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.096292][ T10] netlink_unicast+0x449/0x710 [ 1329.096292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.096292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.096292][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.096292][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.096292][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.096292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.096292][ T10] [ 1329.097821][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1329.097821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.097821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.097821][ T10] ipv6_find_idev+0x102/0x170 [ 1329.097821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.097821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.097821][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.097821][ T10] netlink_unicast+0x449/0x710 [ 1329.097821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.097821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.097821][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.097821][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.097821][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.097821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.097821][ T10] [ 1329.099500][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1329.099764][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1329.099764][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.099764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.099764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.099764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.099764][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.099764][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.099764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.099764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.099764][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.099764][ T10] netlink_unicast+0x449/0x710 [ 1329.099764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.099764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.099764][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.099764][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.099764][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.099764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.099764][ T10] [ 1329.101737][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1329.101737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.101737][ T10] ipv6_find_idev+0x102/0x170 [ 1329.101737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.101737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.101737][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.101737][ T10] netlink_unicast+0x449/0x710 [ 1329.101737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.101737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.101737][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.101737][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.101737][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.101737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.101737][ T10] [ 1329.103266][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1329.103266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.103266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.103266][ T10] ipv6_find_idev+0x102/0x170 [ 1329.103266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.103266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.103266][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.103266][ T10] netlink_unicast+0x449/0x710 [ 1329.103266][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.103266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.103266][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.103266][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.103266][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.103266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.103266][ T10] [ 1329.104957][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1329.105220][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1329.105220][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.105220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.105220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.105220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.105220][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.105220][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.105220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.105220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.105220][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.105220][ T10] netlink_unicast+0x449/0x710 [ 1329.105220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.105220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.105220][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.105220][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.105220][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.105220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.105220][ T10] [ 1329.107207][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1329.107207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.107207][ T10] ipv6_find_idev+0x102/0x170 [ 1329.107207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.107207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.107207][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.107207][ T10] netlink_unicast+0x449/0x710 [ 1329.107207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.107207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.107207][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.107207][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.107207][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.107207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.107207][ T10] [ 1329.108728][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1329.108728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.108728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.108728][ T10] ipv6_find_idev+0x102/0x170 [ 1329.108728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.108728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.108728][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.108728][ T10] netlink_unicast+0x449/0x710 [ 1329.108728][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.108728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.108728][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.108728][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.108728][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.108728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.108728][ T10] [ 1329.110388][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1329.110649][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1329.110649][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.110649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.110649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.110649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.110649][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.110649][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.110649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.110649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.110649][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.110649][ T10] netlink_unicast+0x449/0x710 [ 1329.110649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.110649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.110649][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.110649][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.110649][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.110649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.110649][ T10] [ 1329.112623][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1329.112623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.112623][ T10] ipv6_find_idev+0x102/0x170 [ 1329.112623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.112623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.112623][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.112623][ T10] netlink_unicast+0x449/0x710 [ 1329.112623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.112623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.112623][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.112623][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.112623][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.112623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.112623][ T10] [ 1329.114143][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1329.114143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.114143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.114143][ T10] ipv6_find_idev+0x102/0x170 [ 1329.114143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.114143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.114143][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.114143][ T10] netlink_unicast+0x449/0x710 [ 1329.114143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.114143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.114143][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.114143][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.114143][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.114143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.114143][ T10] [ 1329.116211][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1329.116477][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1329.116477][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.116477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.116477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.116477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.116477][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.116477][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.116477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.116477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.116477][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.116477][ T10] netlink_unicast+0x449/0x710 [ 1329.116477][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.116477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.116477][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.116477][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.116477][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.116477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.116477][ T10] [ 1329.118445][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1329.118445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.118445][ T10] ipv6_find_idev+0x102/0x170 [ 1329.118445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.118445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.118445][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.118445][ T10] netlink_unicast+0x449/0x710 [ 1329.118445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.118445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.118445][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.118445][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.118445][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.118445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.118445][ T10] [ 1329.119967][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1329.119967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.119967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.119967][ T10] ipv6_find_idev+0x102/0x170 [ 1329.119967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.119967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.119967][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.119967][ T10] netlink_unicast+0x449/0x710 [ 1329.119967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.119967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.119967][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.119967][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.119967][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.119967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.119967][ T10] [ 1329.121671][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1329.121990][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1329.121990][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.121990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.121990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.121990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.121990][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.121990][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.121990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.121990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.121990][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.121990][ T10] netlink_unicast+0x449/0x710 [ 1329.121990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.121990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.121990][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.121990][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.121990][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.121990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.121990][ T10] [ 1329.124031][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1329.124031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.124031][ T10] ipv6_find_idev+0x102/0x170 [ 1329.124031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.124031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.124031][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.124031][ T10] netlink_unicast+0x449/0x710 [ 1329.124031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.124031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.124031][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.124031][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.124031][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.124031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.124031][ T10] [ 1329.125699][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1329.125699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.125699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.125699][ T10] ipv6_find_idev+0x102/0x170 [ 1329.125699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.125699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.125699][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.125699][ T10] netlink_unicast+0x449/0x710 [ 1329.125699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.125699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.125699][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.125699][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.125699][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.125699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.125699][ T10] [ 1329.127467][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1329.127729][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1329.127729][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.127729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.127729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.127729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.127729][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.127729][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.127729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.127729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.127729][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.127729][ T10] netlink_unicast+0x449/0x710 [ 1329.127729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.127729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.127729][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.127729][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.127729][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.127729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.127729][ T10] [ 1329.129849][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1329.129849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.129849][ T10] ipv6_find_idev+0x102/0x170 [ 1329.129849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.129849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.129849][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.129849][ T10] netlink_unicast+0x449/0x710 [ 1329.129849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.129849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.129849][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.129849][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.129849][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.129849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.129849][ T10] [ 1329.131502][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1329.131502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.131502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.131502][ T10] ipv6_find_idev+0x102/0x170 [ 1329.131502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.131502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.131502][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.131502][ T10] netlink_unicast+0x449/0x710 [ 1329.131502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.131502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.131502][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.131502][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.131502][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.131502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.131502][ T10] [ 1329.133261][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1329.133518][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1329.133518][ T10] netdev_get_by_index+0x5e/0x80 [ 1329.133518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1329.133518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1329.133518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1329.133518][ T10] ipv6_add_addr+0x411/0x2000 [ 1329.133518][ T10] inet6_addr_add+0x30e/0xa40 [ 1329.133518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.133518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.133518][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.133518][ T10] netlink_unicast+0x449/0x710 [ 1329.133518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.133518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.133518][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.133518][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.133518][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.133518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.133518][ T10] [ 1329.135694][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1329.135694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1329.135694][ T10] ipv6_find_idev+0x102/0x170 [ 1329.135694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.135694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.135694][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.135694][ T10] netlink_unicast+0x449/0x710 [ 1329.135694][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.135694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.135694][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.135694][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.135694][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.135694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.135694][ T10] [ 1329.137352][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1329.137352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1329.137352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1329.137352][ T10] ipv6_find_idev+0x102/0x170 [ 1329.137352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.137352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.137352][ T10] netlink_rcv_skb+0x130/0x360 [ 1329.137352][ T10] netlink_unicast+0x449/0x710 [ 1329.137352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1329.137352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1329.137352][ T10] ___sys_sendmsg+0xee/0x170 [ 1329.137352][ T10] __sys_sendmsg+0xcd/0x170 [ 1329.137352][ T10] do_syscall_64+0xc6/0x1e0 [ 1329.137352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.137352][ T10] [ 1339.309936][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1339.310429][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1339.310429][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.310429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.310429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.310429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.310429][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.310429][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.310429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.310429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.310429][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.310429][ T10] netlink_unicast+0x449/0x710 [ 1339.310429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.310429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.310429][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.310429][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.310429][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.310429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.310429][ T10] [ 1339.312431][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1339.312431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.312431][ T10] ipv6_find_idev+0x102/0x170 [ 1339.312431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.312431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.312431][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.312431][ T10] netlink_unicast+0x449/0x710 [ 1339.312431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.312431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.312431][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.312431][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.312431][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.312431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.312431][ T10] [ 1339.313962][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1339.313962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.313962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.313962][ T10] ipv6_find_idev+0x102/0x170 [ 1339.313962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.313962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.313962][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.313962][ T10] netlink_unicast+0x449/0x710 [ 1339.313962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.313962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.313962][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.313962][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.313962][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.313962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.313962][ T10] [ 1339.315654][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1339.315945][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1339.315945][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.315945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.315945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.315945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.315945][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.315945][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.315945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.315945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.315945][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.315945][ T10] netlink_unicast+0x449/0x710 [ 1339.315945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.315945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.315945][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.315945][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.315945][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.315945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.315945][ T10] [ 1339.317915][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1339.317915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.317915][ T10] ipv6_find_idev+0x102/0x170 [ 1339.317915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.317915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.317915][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.317915][ T10] netlink_unicast+0x449/0x710 [ 1339.317915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.317915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.317915][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.317915][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.317915][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.317915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.317915][ T10] [ 1339.319441][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1339.319441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.319441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.319441][ T10] ipv6_find_idev+0x102/0x170 [ 1339.319441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.319441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.319441][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.319441][ T10] netlink_unicast+0x449/0x710 [ 1339.319441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.319441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.319441][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.319441][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.319441][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.319441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.319441][ T10] [ 1339.321113][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1339.321378][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1339.321378][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.321378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.321378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.321378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.321378][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.321378][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.321378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.321378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.321378][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.321378][ T10] netlink_unicast+0x449/0x710 [ 1339.321378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.321378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.321378][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.321378][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.321378][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.321378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.321378][ T10] [ 1339.323348][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1339.323348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.323348][ T10] ipv6_find_idev+0x102/0x170 [ 1339.323348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.323348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.323348][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.323348][ T10] netlink_unicast+0x449/0x710 [ 1339.323348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.323348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.323348][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.323348][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.323348][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.323348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.323348][ T10] [ 1339.324884][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1339.324884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.324884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.324884][ T10] ipv6_find_idev+0x102/0x170 [ 1339.324884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.324884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.324884][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.324884][ T10] netlink_unicast+0x449/0x710 [ 1339.324884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.324884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.324884][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.324884][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.324884][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.324884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.324884][ T10] [ 1339.326553][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1339.326814][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1339.326814][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.326814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.326814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.326814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.326814][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.326814][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.326814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.326814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.326814][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.326814][ T10] netlink_unicast+0x449/0x710 [ 1339.326814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.326814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.326814][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.326814][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.326814][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.326814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.326814][ T10] [ 1339.328797][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1339.328797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.328797][ T10] ipv6_find_idev+0x102/0x170 [ 1339.328797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.328797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.328797][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.328797][ T10] netlink_unicast+0x449/0x710 [ 1339.328797][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.328797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.328797][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.328797][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.328797][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.328797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.328797][ T10] [ 1339.330320][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1339.330320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.330320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.330320][ T10] ipv6_find_idev+0x102/0x170 [ 1339.330320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.330320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.330320][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.330320][ T10] netlink_unicast+0x449/0x710 [ 1339.330320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.330320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.330320][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.330320][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.330320][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.330320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.330320][ T10] [ 1339.332390][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1339.332651][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1339.332651][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.332651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.332651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.332651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.332651][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.332651][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.332651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.332651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.332651][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.332651][ T10] netlink_unicast+0x449/0x710 [ 1339.332651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.332651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.332651][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.332651][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.332651][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.332651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.332651][ T10] [ 1339.334622][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1339.334622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.334622][ T10] ipv6_find_idev+0x102/0x170 [ 1339.334622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.334622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.334622][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.334622][ T10] netlink_unicast+0x449/0x710 [ 1339.334622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.334622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.334622][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.334622][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.334622][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.334622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.334622][ T10] [ 1339.336155][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1339.336155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.336155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.336155][ T10] ipv6_find_idev+0x102/0x170 [ 1339.336155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.336155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.336155][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.336155][ T10] netlink_unicast+0x449/0x710 [ 1339.336155][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.336155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.336155][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.336155][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.336155][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.336155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.336155][ T10] [ 1339.337866][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1339.338126][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1339.338126][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.338126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.338126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.338126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.338126][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.338126][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.338126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.338126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.338126][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.338126][ T10] netlink_unicast+0x449/0x710 [ 1339.338126][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.338126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.338126][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.338126][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.338126][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.338126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.338126][ T10] [ 1339.340227][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1339.340227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.340227][ T10] ipv6_find_idev+0x102/0x170 [ 1339.340227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.340227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.340227][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.340227][ T10] netlink_unicast+0x449/0x710 [ 1339.340227][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.340227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.340227][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.340227][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.340227][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.340227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.340227][ T10] [ 1339.341991][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1339.341991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.341991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.341991][ T10] ipv6_find_idev+0x102/0x170 [ 1339.341991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.341991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.341991][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.341991][ T10] netlink_unicast+0x449/0x710 [ 1339.341991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.341991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.341991][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.341991][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.341991][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.341991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.341991][ T10] [ 1339.343938][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1339.344206][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1339.344206][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.344206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.344206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.344206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.344206][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.344206][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.344206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.344206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.344206][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.344206][ T10] netlink_unicast+0x449/0x710 [ 1339.344206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.344206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.344206][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.344206][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.344206][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.344206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.344206][ T10] [ 1339.346306][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1339.346306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.346306][ T10] ipv6_find_idev+0x102/0x170 [ 1339.346306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.346306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.346306][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.346306][ T10] netlink_unicast+0x449/0x710 [ 1339.346306][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.346306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.346306][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.346306][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.346306][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.346306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.346306][ T10] [ 1339.348009][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1339.348009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.348009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.348009][ T10] ipv6_find_idev+0x102/0x170 [ 1339.348009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.348009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.348009][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.348009][ T10] netlink_unicast+0x449/0x710 [ 1339.348009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.348009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.348009][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.348009][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.348009][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.348009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.348009][ T10] [ 1339.349954][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1339.350212][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1339.350212][ T10] netdev_get_by_index+0x5e/0x80 [ 1339.350212][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1339.350212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1339.350212][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1339.350212][ T10] ipv6_add_addr+0x411/0x2000 [ 1339.350212][ T10] inet6_addr_add+0x30e/0xa40 [ 1339.350212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.350212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.350212][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.350212][ T10] netlink_unicast+0x449/0x710 [ 1339.350212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.350212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.350212][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.350212][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.350212][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.350212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.350212][ T10] [ 1339.352430][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1339.352430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1339.352430][ T10] ipv6_find_idev+0x102/0x170 [ 1339.352430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.352430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.352430][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.352430][ T10] netlink_unicast+0x449/0x710 [ 1339.352430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.352430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.352430][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.352430][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.352430][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.352430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.352430][ T10] [ 1339.354132][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1339.354132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1339.354132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1339.354132][ T10] ipv6_find_idev+0x102/0x170 [ 1339.354132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.354132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.354132][ T10] netlink_rcv_skb+0x130/0x360 [ 1339.354132][ T10] netlink_unicast+0x449/0x710 [ 1339.354132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1339.354132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1339.354132][ T10] ___sys_sendmsg+0xee/0x170 [ 1339.354132][ T10] __sys_sendmsg+0xcd/0x170 [ 1339.354132][ T10] do_syscall_64+0xc6/0x1e0 [ 1339.354132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.354132][ T10] [ 1349.605917][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1349.606347][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1349.606347][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.606347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.606347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.606347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.606347][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.606347][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.606347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.606347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.606347][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.606347][ T10] netlink_unicast+0x449/0x710 [ 1349.606347][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.606347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.606347][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.606347][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.606347][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.606347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.606347][ T10] [ 1349.608347][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1349.608347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.608347][ T10] ipv6_find_idev+0x102/0x170 [ 1349.608347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.608347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.608347][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.608347][ T10] netlink_unicast+0x449/0x710 [ 1349.608347][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.608347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.608347][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.608347][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.608347][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.608347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.608347][ T10] [ 1349.609874][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1349.609874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.609874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.609874][ T10] ipv6_find_idev+0x102/0x170 [ 1349.609874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.609874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.609874][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.609874][ T10] netlink_unicast+0x449/0x710 [ 1349.609874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.609874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.609874][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.609874][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.609874][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.609874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.609874][ T10] [ 1349.611549][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1349.611842][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1349.611842][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.611842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.611842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.611842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.611842][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.611842][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.611842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.611842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.611842][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.611842][ T10] netlink_unicast+0x449/0x710 [ 1349.611842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.611842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.611842][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.611842][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.611842][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.611842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.611842][ T10] [ 1349.613932][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1349.613932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.613932][ T10] ipv6_find_idev+0x102/0x170 [ 1349.613932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.613932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.613932][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.613932][ T10] netlink_unicast+0x449/0x710 [ 1349.613932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.613932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.613932][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.613932][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.613932][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.613932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.613932][ T10] [ 1349.615472][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1349.615472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.615472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.615472][ T10] ipv6_find_idev+0x102/0x170 [ 1349.615472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.615472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.615472][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.615472][ T10] netlink_unicast+0x449/0x710 [ 1349.615472][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.615472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.615472][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.615472][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.615472][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.615472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.615472][ T10] [ 1349.617137][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1349.617405][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1349.617405][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.617405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.617405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.617405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.617405][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.617405][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.617405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.617405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.617405][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.617405][ T10] netlink_unicast+0x449/0x710 [ 1349.617405][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.617405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.617405][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.617405][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.617405][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.617405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.617405][ T10] [ 1349.619375][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1349.619375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.619375][ T10] ipv6_find_idev+0x102/0x170 [ 1349.619375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.619375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.619375][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.619375][ T10] netlink_unicast+0x449/0x710 [ 1349.619375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.619375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.619375][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.619375][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.619375][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.619375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.619375][ T10] [ 1349.620897][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1349.620897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.620897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.620897][ T10] ipv6_find_idev+0x102/0x170 [ 1349.620897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.620897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.620897][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.620897][ T10] netlink_unicast+0x449/0x710 [ 1349.620897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.620897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.620897][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.620897][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.620897][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.620897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.620897][ T10] [ 1349.622579][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1349.623277][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1349.623277][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.623277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.623277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.623277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.623277][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.623277][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.623277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.623277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.623277][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.623277][ T10] netlink_unicast+0x449/0x710 [ 1349.623277][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.623277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.623277][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.623277][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.623277][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.623277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.623277][ T10] [ 1349.625288][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1349.625288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.625288][ T10] ipv6_find_idev+0x102/0x170 [ 1349.625288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.625288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.625288][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.625288][ T10] netlink_unicast+0x449/0x710 [ 1349.625288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.625288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.625288][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.625288][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.625288][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.625288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.625288][ T10] [ 1349.626811][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1349.626811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.626811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.626811][ T10] ipv6_find_idev+0x102/0x170 [ 1349.626811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.626811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.626811][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.626811][ T10] netlink_unicast+0x449/0x710 [ 1349.626811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.626811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.626811][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.626811][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.626811][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.626811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.626811][ T10] [ 1349.628519][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1349.628781][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1349.628781][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.628781][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.628781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.628781][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.628781][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.628781][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.628781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.628781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.628781][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.628781][ T10] netlink_unicast+0x449/0x710 [ 1349.628781][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.628781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.628781][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.628781][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.628781][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.628781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.628781][ T10] [ 1349.630771][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1349.630771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.630771][ T10] ipv6_find_idev+0x102/0x170 [ 1349.630771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.630771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.630771][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.630771][ T10] netlink_unicast+0x449/0x710 [ 1349.630771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.630771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.630771][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.630771][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.630771][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.630771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.630771][ T10] [ 1349.632292][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1349.632292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.632292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.632292][ T10] ipv6_find_idev+0x102/0x170 [ 1349.632292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.632292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.632292][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.632292][ T10] netlink_unicast+0x449/0x710 [ 1349.632292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.632292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.632292][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.632292][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.632292][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.632292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.632292][ T10] [ 1349.633991][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1349.634252][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1349.634252][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.634252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.634252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.634252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.634252][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.634252][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.634252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.634252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.634252][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.634252][ T10] netlink_unicast+0x449/0x710 [ 1349.634252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.634252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.634252][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.634252][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.634252][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.634252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.634252][ T10] [ 1349.636356][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1349.636356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.636356][ T10] ipv6_find_idev+0x102/0x170 [ 1349.636356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.636356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.636356][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.636356][ T10] netlink_unicast+0x449/0x710 [ 1349.636356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.636356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.636356][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.636356][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.636356][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.636356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.636356][ T10] [ 1349.638117][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1349.638117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.638117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.638117][ T10] ipv6_find_idev+0x102/0x170 [ 1349.638117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.638117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.638117][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.638117][ T10] netlink_unicast+0x449/0x710 [ 1349.638117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.638117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.638117][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.638117][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.638117][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.638117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.638117][ T10] [ 1349.639992][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1349.640256][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1349.640256][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.640256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.640256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.640256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.640256][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.640256][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.640256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.640256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.640256][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.640256][ T10] netlink_unicast+0x449/0x710 [ 1349.640256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.640256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.640256][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.640256][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.640256][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.640256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.640256][ T10] [ 1349.642515][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1349.642515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.642515][ T10] ipv6_find_idev+0x102/0x170 [ 1349.642515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.642515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.642515][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.642515][ T10] netlink_unicast+0x449/0x710 [ 1349.642515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.642515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.642515][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.642515][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.642515][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.642515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.642515][ T10] [ 1349.644233][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1349.644233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.644233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.644233][ T10] ipv6_find_idev+0x102/0x170 [ 1349.644233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.644233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.644233][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.644233][ T10] netlink_unicast+0x449/0x710 [ 1349.644233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.644233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.644233][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.644233][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.644233][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.644233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.644233][ T10] [ 1349.646121][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1349.646379][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1349.646379][ T10] netdev_get_by_index+0x5e/0x80 [ 1349.646379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1349.646379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1349.646379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1349.646379][ T10] ipv6_add_addr+0x411/0x2000 [ 1349.646379][ T10] inet6_addr_add+0x30e/0xa40 [ 1349.646379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.646379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.646379][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.646379][ T10] netlink_unicast+0x449/0x710 [ 1349.646379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.646379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.646379][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.646379][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.646379][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.646379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.646379][ T10] [ 1349.648590][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1349.648590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1349.648590][ T10] ipv6_find_idev+0x102/0x170 [ 1349.648590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.648590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.648590][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.648590][ T10] netlink_unicast+0x449/0x710 [ 1349.648590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.648590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.648590][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.648590][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.648590][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.648590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.648590][ T10] [ 1349.650289][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1349.650289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1349.650289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1349.650289][ T10] ipv6_find_idev+0x102/0x170 [ 1349.650289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.650289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.650289][ T10] netlink_rcv_skb+0x130/0x360 [ 1349.650289][ T10] netlink_unicast+0x449/0x710 [ 1349.650289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1349.650289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1349.650289][ T10] ___sys_sendmsg+0xee/0x170 [ 1349.650289][ T10] __sys_sendmsg+0xcd/0x170 [ 1349.650289][ T10] do_syscall_64+0xc6/0x1e0 [ 1349.650289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.650289][ T10] [ 1352.997909][ T42] INFO: task modprobe:1060 blocked for more than 1105 seconds. [ 1352.998229][ T42] Not tainted 6.8.0-virtme #1 [ 1352.998366][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.998569][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 1352.998870][ T42] Call Trace: [ 1352.998972][ T42] [ 1352.999047][ T42] __schedule+0x705/0x1ac0 [ 1352.999190][ T42] ? __pfx___schedule+0x10/0x10 [ 1352.999317][ T42] ? schedule+0x1a5/0x210 [ 1352.999416][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1352.999548][ T42] ? mark_lock+0x38/0x3e0 [ 1352.999644][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1352.999792][ T42] ? schedule+0x1a5/0x210 [ 1352.999898][ T42] schedule+0xdf/0x210 [ 1352.999997][ T42] schedule_preempt_disabled+0x15/0x30 [ 1353.000126][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1353.000260][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1353.000417][ T42] ? kasan_save_stack+0x34/0x50 [ 1353.000547][ T42] ? kasan_save_stack+0x24/0x50 [ 1353.000675][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.000825][ T42] ? lock_acquire+0x1c1/0x220 [ 1353.000957][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1353.001093][ T42] down_write+0x1c9/0x200 [ 1353.001191][ T42] ? __pfx_down_write+0x10/0x10 [ 1353.001317][ T42] ? __pfx___lock_release+0x10/0x10 [ 1353.001451][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1353.001649][ T42] register_pernet_subsys+0x1a/0x50 [ 1353.001791][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1353.001991][ T42] do_one_initcall+0xc8/0x3f0 [ 1353.002134][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1353.002278][ T42] ? __create_object+0x5e/0xb0 [ 1353.002411][ T42] ? kasan_unpoison+0x27/0x60 [ 1353.002542][ T42] do_init_module+0x233/0x740 [ 1353.002682][ T42] load_module+0x16b5/0x2350 [ 1353.002848][ T42] ? __pfx_load_module+0x10/0x10 [ 1353.002977][ T42] ? kernel_read_file+0x3d2/0x520 [ 1353.003110][ T42] ? kernel_read_file+0x300/0x520 [ 1353.003245][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1353.003380][ T42] ? init_module_from_file+0xd2/0x130 [ 1353.003509][ T42] init_module_from_file+0xd2/0x130 [ 1353.003635][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1353.003804][ T42] ? __lock_release+0x103/0x460 [ 1353.003933][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.004069][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.004199][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1353.004333][ T42] idempotent_init_module+0x342/0x620 [ 1353.004463][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1353.004638][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1353.004777][ T42] do_syscall_64+0xc6/0x1e0 [ 1353.004911][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1353.005069][ T42] RIP: 0033:0x7ff11fe2be5d [ 1353.005203][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1353.005415][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 1353.005603][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 1353.005799][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 1353.005989][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 1353.006178][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 1353.006377][ T42] [ 1353.006475][ T42] [ 1353.006475][ T42] Showing all locks held in the system: [ 1353.006660][ T42] 3 locks held by kworker/u16:0/10: [ 1353.006810][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.007069][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.007295][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1353.007520][ T42] 2 locks held by kworker/u20:0/39: [ 1353.007645][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.007908][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.008190][ T42] 1 lock held by khungtaskd/42: [ 1353.008314][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1353.008543][ T42] 1 lock held by modprobe/1060: [ 1353.008665][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1353.008943][ T42] [ 1353.009014][ T42] ============================================= [ 1353.009014][ T42] [ 1359.653900][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1359.654440][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1359.654440][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.654440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.654440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.654440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.654440][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.654440][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.654440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.654440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.654440][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.654440][ T10] netlink_unicast+0x449/0x710 [ 1359.654440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.654440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.654440][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.654440][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.654440][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.654440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.654440][ T10] [ 1359.656550][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1359.656550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.656550][ T10] ipv6_find_idev+0x102/0x170 [ 1359.656550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.656550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.656550][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.656550][ T10] netlink_unicast+0x449/0x710 [ 1359.656550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.656550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.656550][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.656550][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.656550][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.656550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.656550][ T10] [ 1359.658118][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1359.658118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.658118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.658118][ T10] ipv6_find_idev+0x102/0x170 [ 1359.658118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.658118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.658118][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.658118][ T10] netlink_unicast+0x449/0x710 [ 1359.658118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.658118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.658118][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.658118][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.658118][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.658118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.658118][ T10] [ 1359.659911][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1359.660208][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1359.660208][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.660208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.660208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.660208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.660208][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.660208][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.660208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.660208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.660208][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.660208][ T10] netlink_unicast+0x449/0x710 [ 1359.660208][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.660208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.660208][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.660208][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.660208][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.660208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.660208][ T10] [ 1359.662440][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1359.662440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.662440][ T10] ipv6_find_idev+0x102/0x170 [ 1359.662440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.662440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.662440][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.662440][ T10] netlink_unicast+0x449/0x710 [ 1359.662440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.662440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.662440][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.662440][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.662440][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.662440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.662440][ T10] [ 1359.664105][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1359.664105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.664105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.664105][ T10] ipv6_find_idev+0x102/0x170 [ 1359.664105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.664105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.664105][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.664105][ T10] netlink_unicast+0x449/0x710 [ 1359.664105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.664105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.664105][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.664105][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.664105][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.664105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.664105][ T10] [ 1359.665801][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1359.666070][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1359.666070][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.666070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.666070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.666070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.666070][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.666070][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.666070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.666070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.666070][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.666070][ T10] netlink_unicast+0x449/0x710 [ 1359.666070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.666070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.666070][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.666070][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.666070][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.666070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.666070][ T10] [ 1359.668276][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1359.668276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.668276][ T10] ipv6_find_idev+0x102/0x170 [ 1359.668276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.668276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.668276][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.668276][ T10] netlink_unicast+0x449/0x710 [ 1359.668276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.668276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.668276][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.668276][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.668276][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.668276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.668276][ T10] [ 1359.669973][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1359.669973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.669973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.669973][ T10] ipv6_find_idev+0x102/0x170 [ 1359.669973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.669973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.669973][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.669973][ T10] netlink_unicast+0x449/0x710 [ 1359.669973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.669973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.669973][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.669973][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.669973][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.669973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.669973][ T10] [ 1359.671894][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1359.672158][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1359.672158][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.672158][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.672158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.672158][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.672158][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.672158][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.672158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.672158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.672158][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.672158][ T10] netlink_unicast+0x449/0x710 [ 1359.672158][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.672158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.672158][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.672158][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.672158][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.672158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.672158][ T10] [ 1359.674149][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1359.674149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.674149][ T10] ipv6_find_idev+0x102/0x170 [ 1359.674149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.674149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.674149][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.674149][ T10] netlink_unicast+0x449/0x710 [ 1359.674149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.674149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.674149][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.674149][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.674149][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.674149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.674149][ T10] [ 1359.675711][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1359.675711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.675711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.675711][ T10] ipv6_find_idev+0x102/0x170 [ 1359.675711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.675711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.675711][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.675711][ T10] netlink_unicast+0x449/0x710 [ 1359.675711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.675711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.675711][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.675711][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.675711][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.675711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.675711][ T10] [ 1359.677844][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1359.678181][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1359.678181][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.678181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.678181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.678181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.678181][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.678181][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.678181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.678181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.678181][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.678181][ T10] netlink_unicast+0x449/0x710 [ 1359.678181][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.678181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.678181][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.678181][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.678181][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.678181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.678181][ T10] [ 1359.680176][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1359.680176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.680176][ T10] ipv6_find_idev+0x102/0x170 [ 1359.680176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.680176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.680176][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.680176][ T10] netlink_unicast+0x449/0x710 [ 1359.680176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.680176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.680176][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.680176][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.680176][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.680176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.680176][ T10] [ 1359.681807][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1359.681807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.681807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.681807][ T10] ipv6_find_idev+0x102/0x170 [ 1359.681807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.681807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.681807][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.681807][ T10] netlink_unicast+0x449/0x710 [ 1359.681807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.681807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.681807][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.681807][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.681807][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.681807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.681807][ T10] [ 1359.683700][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1359.684040][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1359.684040][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.684040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.684040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.684040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.684040][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.684040][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.684040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.684040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.684040][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.684040][ T10] netlink_unicast+0x449/0x710 [ 1359.684040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.684040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.684040][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.684040][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.684040][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.684040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.684040][ T10] [ 1359.686368][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1359.686368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.686368][ T10] ipv6_find_idev+0x102/0x170 [ 1359.686368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.686368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.686368][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.686368][ T10] netlink_unicast+0x449/0x710 [ 1359.686368][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.686368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.686368][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.686368][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.686368][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.686368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.686368][ T10] [ 1359.688287][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1359.688287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.688287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.688287][ T10] ipv6_find_idev+0x102/0x170 [ 1359.688287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.688287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.688287][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.688287][ T10] netlink_unicast+0x449/0x710 [ 1359.688287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.688287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.688287][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.688287][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.688287][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.688287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.688287][ T10] [ 1359.690342][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1359.690632][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1359.690632][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.690632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.690632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.690632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.690632][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.690632][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.690632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.690632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.690632][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.690632][ T10] netlink_unicast+0x449/0x710 [ 1359.690632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.690632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.690632][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.690632][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.690632][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.690632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.690632][ T10] [ 1359.692862][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1359.692862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.692862][ T10] ipv6_find_idev+0x102/0x170 [ 1359.692862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.692862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.692862][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.692862][ T10] netlink_unicast+0x449/0x710 [ 1359.692862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.692862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.692862][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.692862][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.692862][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.692862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.692862][ T10] [ 1359.694579][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1359.694579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.694579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.694579][ T10] ipv6_find_idev+0x102/0x170 [ 1359.694579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.694579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.694579][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.694579][ T10] netlink_unicast+0x449/0x710 [ 1359.694579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.694579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.694579][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.694579][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.694579][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.694579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.694579][ T10] [ 1359.696488][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1359.696753][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1359.696753][ T10] netdev_get_by_index+0x5e/0x80 [ 1359.696753][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1359.696753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1359.696753][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1359.696753][ T10] ipv6_add_addr+0x411/0x2000 [ 1359.696753][ T10] inet6_addr_add+0x30e/0xa40 [ 1359.696753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.696753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.696753][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.696753][ T10] netlink_unicast+0x449/0x710 [ 1359.696753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.696753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.696753][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.696753][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.696753][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.696753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.696753][ T10] [ 1359.698978][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1359.698978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1359.698978][ T10] ipv6_find_idev+0x102/0x170 [ 1359.698978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.698978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.698978][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.698978][ T10] netlink_unicast+0x449/0x710 [ 1359.698978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.698978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.698978][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.698978][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.698978][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.698978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.698978][ T10] [ 1359.700701][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1359.700701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1359.700701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1359.700701][ T10] ipv6_find_idev+0x102/0x170 [ 1359.700701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.700701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.700701][ T10] netlink_rcv_skb+0x130/0x360 [ 1359.700701][ T10] netlink_unicast+0x449/0x710 [ 1359.700701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1359.700701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1359.700701][ T10] ___sys_sendmsg+0xee/0x170 [ 1359.700701][ T10] __sys_sendmsg+0xcd/0x170 [ 1359.700701][ T10] do_syscall_64+0xc6/0x1e0 [ 1359.700701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.700701][ T10] [ 1369.749958][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1369.750478][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1369.750478][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.750478][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.750478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.750478][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.750478][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.750478][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.750478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.750478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.750478][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.750478][ T10] netlink_unicast+0x449/0x710 [ 1369.750478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.750478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.750478][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.750478][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.750478][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.750478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.750478][ T10] [ 1369.752496][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1369.752496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.752496][ T10] ipv6_find_idev+0x102/0x170 [ 1369.752496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.752496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.752496][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.752496][ T10] netlink_unicast+0x449/0x710 [ 1369.752496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.752496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.752496][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.752496][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.752496][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.752496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.752496][ T10] [ 1369.754043][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1369.754043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.754043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.754043][ T10] ipv6_find_idev+0x102/0x170 [ 1369.754043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.754043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.754043][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.754043][ T10] netlink_unicast+0x449/0x710 [ 1369.754043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.754043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.754043][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.754043][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.754043][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.754043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.754043][ T10] [ 1369.755763][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1369.756061][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1369.756061][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.756061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.756061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.756061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.756061][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.756061][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.756061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.756061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.756061][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.756061][ T10] netlink_unicast+0x449/0x710 [ 1369.756061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.756061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.756061][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.756061][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.756061][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.756061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.756061][ T10] [ 1369.758065][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1369.758065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.758065][ T10] ipv6_find_idev+0x102/0x170 [ 1369.758065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.758065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.758065][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.758065][ T10] netlink_unicast+0x449/0x710 [ 1369.758065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.758065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.758065][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.758065][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.758065][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.758065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.758065][ T10] [ 1369.759629][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1369.759629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.759629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.759629][ T10] ipv6_find_idev+0x102/0x170 [ 1369.759629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.759629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.759629][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.759629][ T10] netlink_unicast+0x449/0x710 [ 1369.759629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.759629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.759629][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.759629][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.759629][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.759629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.759629][ T10] [ 1369.761322][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1369.761593][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1369.761593][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.761593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.761593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.761593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.761593][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.761593][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.761593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.761593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.761593][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.761593][ T10] netlink_unicast+0x449/0x710 [ 1369.761593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.761593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.761593][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.761593][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.761593][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.761593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.761593][ T10] [ 1369.763597][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1369.763597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.763597][ T10] ipv6_find_idev+0x102/0x170 [ 1369.763597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.763597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.763597][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.763597][ T10] netlink_unicast+0x449/0x710 [ 1369.763597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.763597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.763597][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.763597][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.763597][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.763597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.763597][ T10] [ 1369.765142][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1369.765142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.765142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.765142][ T10] ipv6_find_idev+0x102/0x170 [ 1369.765142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.765142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.765142][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.765142][ T10] netlink_unicast+0x449/0x710 [ 1369.765142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.765142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.765142][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.765142][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.765142][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.765142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.765142][ T10] [ 1369.766840][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1369.767104][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1369.767104][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.767104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.767104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.767104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.767104][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.767104][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.767104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.767104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.767104][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.767104][ T10] netlink_unicast+0x449/0x710 [ 1369.767104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.767104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.767104][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.767104][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.767104][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.767104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.767104][ T10] [ 1369.769112][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1369.769112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.769112][ T10] ipv6_find_idev+0x102/0x170 [ 1369.769112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.769112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.769112][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.769112][ T10] netlink_unicast+0x449/0x710 [ 1369.769112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.769112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.769112][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.769112][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.769112][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.769112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.769112][ T10] [ 1369.770657][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1369.770657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.770657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.770657][ T10] ipv6_find_idev+0x102/0x170 [ 1369.770657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.770657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.770657][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.770657][ T10] netlink_unicast+0x449/0x710 [ 1369.770657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.770657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.770657][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.770657][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.770657][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.770657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.770657][ T10] [ 1369.772743][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1369.773343][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1369.773343][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.773343][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.773343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.773343][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.773343][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.773343][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.773343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.773343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.773343][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.773343][ T10] netlink_unicast+0x449/0x710 [ 1369.773343][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.773343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.773343][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.773343][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.773343][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.773343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.773343][ T10] [ 1369.775340][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1369.775340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.775340][ T10] ipv6_find_idev+0x102/0x170 [ 1369.775340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.775340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.775340][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.775340][ T10] netlink_unicast+0x449/0x710 [ 1369.775340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.775340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.775340][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.775340][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.775340][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.775340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.775340][ T10] [ 1369.776872][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1369.776872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.776872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.776872][ T10] ipv6_find_idev+0x102/0x170 [ 1369.776872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.776872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.776872][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.776872][ T10] netlink_unicast+0x449/0x710 [ 1369.776872][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.776872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.776872][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.776872][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.776872][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.776872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.776872][ T10] [ 1369.778553][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1369.778880][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1369.778880][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.778880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.778880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.778880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.778880][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.778880][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.778880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.778880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.778880][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.778880][ T10] netlink_unicast+0x449/0x710 [ 1369.778880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.778880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.778880][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.778880][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.778880][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.778880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.778880][ T10] [ 1369.780883][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1369.780883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.780883][ T10] ipv6_find_idev+0x102/0x170 [ 1369.780883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.780883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.780883][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.780883][ T10] netlink_unicast+0x449/0x710 [ 1369.780883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.780883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.780883][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.780883][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.780883][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.780883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.780883][ T10] [ 1369.782493][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1369.782493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.782493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.782493][ T10] ipv6_find_idev+0x102/0x170 [ 1369.782493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.782493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.782493][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.782493][ T10] netlink_unicast+0x449/0x710 [ 1369.782493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.782493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.782493][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.782493][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.782493][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.782493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.782493][ T10] [ 1369.784455][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1369.784736][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1369.784736][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.784736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.784736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.784736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.784736][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.784736][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.784736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.784736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.784736][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.784736][ T10] netlink_unicast+0x449/0x710 [ 1369.784736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.784736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.784736][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.784736][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.784736][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.784736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.784736][ T10] [ 1369.786987][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1369.786987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.786987][ T10] ipv6_find_idev+0x102/0x170 [ 1369.786987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.786987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.786987][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.786987][ T10] netlink_unicast+0x449/0x710 [ 1369.786987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.786987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.786987][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.786987][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.786987][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.786987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.786987][ T10] [ 1369.788710][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1369.788710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.788710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.788710][ T10] ipv6_find_idev+0x102/0x170 [ 1369.788710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.788710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.788710][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.788710][ T10] netlink_unicast+0x449/0x710 [ 1369.788710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.788710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.788710][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.788710][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.788710][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.788710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.788710][ T10] [ 1369.790621][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1369.790943][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1369.790943][ T10] netdev_get_by_index+0x5e/0x80 [ 1369.790943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1369.790943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1369.790943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1369.790943][ T10] ipv6_add_addr+0x411/0x2000 [ 1369.790943][ T10] inet6_addr_add+0x30e/0xa40 [ 1369.790943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.790943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.790943][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.790943][ T10] netlink_unicast+0x449/0x710 [ 1369.790943][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.790943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.790943][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.790943][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.790943][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.790943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.790943][ T10] [ 1369.793127][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1369.793127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1369.793127][ T10] ipv6_find_idev+0x102/0x170 [ 1369.793127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.793127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.793127][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.793127][ T10] netlink_unicast+0x449/0x710 [ 1369.793127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.793127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.793127][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.793127][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.793127][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.793127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.793127][ T10] [ 1369.794908][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1369.794908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1369.794908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1369.794908][ T10] ipv6_find_idev+0x102/0x170 [ 1369.794908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.794908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.794908][ T10] netlink_rcv_skb+0x130/0x360 [ 1369.794908][ T10] netlink_unicast+0x449/0x710 [ 1369.794908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1369.794908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1369.794908][ T10] ___sys_sendmsg+0xee/0x170 [ 1369.794908][ T10] __sys_sendmsg+0xcd/0x170 [ 1369.794908][ T10] do_syscall_64+0xc6/0x1e0 [ 1369.794908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.794908][ T10] [ 1380.037910][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1380.038407][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1380.038407][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.038407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.038407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.038407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.038407][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.038407][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.038407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.038407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.038407][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.038407][ T10] netlink_unicast+0x449/0x710 [ 1380.038407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.038407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.038407][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.038407][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.038407][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.038407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.038407][ T10] [ 1380.040404][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1380.040404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.040404][ T10] ipv6_find_idev+0x102/0x170 [ 1380.040404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.040404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.040404][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.040404][ T10] netlink_unicast+0x449/0x710 [ 1380.040404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.040404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.040404][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.040404][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.040404][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.040404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.040404][ T10] [ 1380.041927][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1380.041927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.041927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.041927][ T10] ipv6_find_idev+0x102/0x170 [ 1380.041927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.041927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.041927][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.041927][ T10] netlink_unicast+0x449/0x710 [ 1380.041927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.041927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.041927][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.041927][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.041927][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.041927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.041927][ T10] [ 1380.043601][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1380.043879][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1380.043879][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.043879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.043879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.043879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.043879][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.043879][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.043879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.043879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.043879][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.043879][ T10] netlink_unicast+0x449/0x710 [ 1380.043879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.043879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.043879][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.043879][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.043879][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.043879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.043879][ T10] [ 1380.045872][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1380.045872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.045872][ T10] ipv6_find_idev+0x102/0x170 [ 1380.045872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.045872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.045872][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.045872][ T10] netlink_unicast+0x449/0x710 [ 1380.045872][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.045872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.045872][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.045872][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.045872][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.045872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.045872][ T10] [ 1380.047399][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1380.047399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.047399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.047399][ T10] ipv6_find_idev+0x102/0x170 [ 1380.047399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.047399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.047399][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.047399][ T10] netlink_unicast+0x449/0x710 [ 1380.047399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.047399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.047399][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.047399][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.047399][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.047399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.047399][ T10] [ 1380.049083][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1380.049348][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1380.049348][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.049348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.049348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.049348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.049348][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.049348][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.049348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.049348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.049348][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.049348][ T10] netlink_unicast+0x449/0x710 [ 1380.049348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.049348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.049348][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.049348][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.049348][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.049348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.049348][ T10] [ 1380.051334][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1380.051334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.051334][ T10] ipv6_find_idev+0x102/0x170 [ 1380.051334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.051334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.051334][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.051334][ T10] netlink_unicast+0x449/0x710 [ 1380.051334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.051334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.051334][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.051334][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.051334][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.051334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.051334][ T10] [ 1380.052859][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1380.052859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.052859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.052859][ T10] ipv6_find_idev+0x102/0x170 [ 1380.052859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.052859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.052859][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.052859][ T10] netlink_unicast+0x449/0x710 [ 1380.052859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.052859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.052859][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.052859][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.052859][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.052859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.052859][ T10] [ 1380.054528][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1380.054788][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1380.054788][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.054788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.054788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.054788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.054788][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.054788][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.054788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.054788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.054788][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.054788][ T10] netlink_unicast+0x449/0x710 [ 1380.054788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.054788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.054788][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.054788][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.054788][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.054788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.054788][ T10] [ 1380.056786][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1380.056786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.056786][ T10] ipv6_find_idev+0x102/0x170 [ 1380.056786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.056786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.056786][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.056786][ T10] netlink_unicast+0x449/0x710 [ 1380.056786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.056786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.056786][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.056786][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.056786][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.056786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.056786][ T10] [ 1380.058310][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1380.058310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.058310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.058310][ T10] ipv6_find_idev+0x102/0x170 [ 1380.058310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.058310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.058310][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.058310][ T10] netlink_unicast+0x449/0x710 [ 1380.058310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.058310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.058310][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.058310][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.058310][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.058310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.058310][ T10] [ 1380.059976][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1380.060242][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1380.060242][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.060242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.060242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.060242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.060242][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.060242][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.060242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.060242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.060242][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.060242][ T10] netlink_unicast+0x449/0x710 [ 1380.060242][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.060242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.060242][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.060242][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.060242][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.060242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.060242][ T10] [ 1380.062218][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1380.062218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.062218][ T10] ipv6_find_idev+0x102/0x170 [ 1380.062218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.062218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.062218][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.062218][ T10] netlink_unicast+0x449/0x710 [ 1380.062218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.062218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.062218][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.062218][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.062218][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.062218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.062218][ T10] [ 1380.064331][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1380.064331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.064331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.064331][ T10] ipv6_find_idev+0x102/0x170 [ 1380.064331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.064331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.064331][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.064331][ T10] netlink_unicast+0x449/0x710 [ 1380.064331][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.064331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.064331][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.064331][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.064331][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.064331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.064331][ T10] [ 1380.066355][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1380.066655][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1380.066655][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.066655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.066655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.066655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.066655][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.066655][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.066655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.066655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.066655][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.066655][ T10] netlink_unicast+0x449/0x710 [ 1380.066655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.066655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.066655][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.066655][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.066655][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.066655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.066655][ T10] [ 1380.068810][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1380.068810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.068810][ T10] ipv6_find_idev+0x102/0x170 [ 1380.068810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.068810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.068810][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.068810][ T10] netlink_unicast+0x449/0x710 [ 1380.068810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.068810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.068810][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.068810][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.068810][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.068810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.068810][ T10] [ 1380.070511][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1380.070511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.070511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.070511][ T10] ipv6_find_idev+0x102/0x170 [ 1380.070511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.070511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.070511][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.070511][ T10] netlink_unicast+0x449/0x710 [ 1380.070511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.070511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.070511][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.070511][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.070511][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.070511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.070511][ T10] [ 1380.072444][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1380.072711][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1380.072711][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.072711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.072711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.072711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.072711][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.072711][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.072711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.072711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.072711][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.072711][ T10] netlink_unicast+0x449/0x710 [ 1380.072711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.072711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.072711][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.072711][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.072711][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.072711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.072711][ T10] [ 1380.074866][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1380.074866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.074866][ T10] ipv6_find_idev+0x102/0x170 [ 1380.074866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.074866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.074866][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.074866][ T10] netlink_unicast+0x449/0x710 [ 1380.074866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.074866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.074866][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.074866][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.074866][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.074866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.074866][ T10] [ 1380.076633][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1380.076633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.076633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.076633][ T10] ipv6_find_idev+0x102/0x170 [ 1380.076633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.076633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.076633][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.076633][ T10] netlink_unicast+0x449/0x710 [ 1380.076633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.076633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.076633][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.076633][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.076633][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.076633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.076633][ T10] [ 1380.078582][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1380.078897][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1380.078897][ T10] netdev_get_by_index+0x5e/0x80 [ 1380.078897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1380.078897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1380.078897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1380.078897][ T10] ipv6_add_addr+0x411/0x2000 [ 1380.078897][ T10] inet6_addr_add+0x30e/0xa40 [ 1380.078897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.078897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.078897][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.078897][ T10] netlink_unicast+0x449/0x710 [ 1380.078897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.078897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.078897][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.078897][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.078897][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.078897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.078897][ T10] [ 1380.081052][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1380.081052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1380.081052][ T10] ipv6_find_idev+0x102/0x170 [ 1380.081052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.081052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.081052][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.081052][ T10] netlink_unicast+0x449/0x710 [ 1380.081052][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.081052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.081052][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.081052][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.081052][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.081052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.081052][ T10] [ 1380.083082][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1380.083082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1380.083082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1380.083082][ T10] ipv6_find_idev+0x102/0x170 [ 1380.083082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.083082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.083082][ T10] netlink_rcv_skb+0x130/0x360 [ 1380.083082][ T10] netlink_unicast+0x449/0x710 [ 1380.083082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1380.083082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1380.083082][ T10] ___sys_sendmsg+0xee/0x170 [ 1380.083082][ T10] __sys_sendmsg+0xcd/0x170 [ 1380.083082][ T10] do_syscall_64+0xc6/0x1e0 [ 1380.083082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.083082][ T10] [ 1390.165883][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1390.166576][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1390.166576][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.166576][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.166576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.166576][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.166576][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.166576][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.166576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.166576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.166576][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.166576][ T10] netlink_unicast+0x449/0x710 [ 1390.166576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.166576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.166576][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.166576][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.166576][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.166576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.166576][ T10] [ 1390.169708][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1390.169708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.169708][ T10] ipv6_find_idev+0x102/0x170 [ 1390.169708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.169708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.169708][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.169708][ T10] netlink_unicast+0x449/0x710 [ 1390.169708][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.169708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.169708][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.169708][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.169708][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.169708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.169708][ T10] [ 1390.172161][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1390.172161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.172161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.172161][ T10] ipv6_find_idev+0x102/0x170 [ 1390.172161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.172161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.172161][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.172161][ T10] netlink_unicast+0x449/0x710 [ 1390.172161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.172161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.172161][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.172161][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.172161][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.172161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.172161][ T10] [ 1390.174938][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1390.175377][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1390.175377][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.175377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.175377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.175377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.175377][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.175377][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.175377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.175377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.175377][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.175377][ T10] netlink_unicast+0x449/0x710 [ 1390.175377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.175377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.175377][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.175377][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.175377][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.175377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.175377][ T10] [ 1390.178470][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1390.178470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.178470][ T10] ipv6_find_idev+0x102/0x170 [ 1390.178470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.178470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.178470][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.178470][ T10] netlink_unicast+0x449/0x710 [ 1390.178470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.178470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.178470][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.178470][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.178470][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.178470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.178470][ T10] [ 1390.180898][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1390.180898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.180898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.180898][ T10] ipv6_find_idev+0x102/0x170 [ 1390.180898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.180898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.180898][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.180898][ T10] netlink_unicast+0x449/0x710 [ 1390.180898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.180898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.180898][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.180898][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.180898][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.180898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.180898][ T10] [ 1390.183441][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1390.183840][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1390.183840][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.183840][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.183840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.183840][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.183840][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.183840][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.183840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.183840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.183840][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.183840][ T10] netlink_unicast+0x449/0x710 [ 1390.183840][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.183840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.183840][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.183840][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.183840][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.183840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.183840][ T10] [ 1390.186996][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1390.186996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.186996][ T10] ipv6_find_idev+0x102/0x170 [ 1390.186996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.186996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.186996][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.186996][ T10] netlink_unicast+0x449/0x710 [ 1390.186996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.186996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.186996][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.186996][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.186996][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.186996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.186996][ T10] [ 1390.189430][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1390.189430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.189430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.189430][ T10] ipv6_find_idev+0x102/0x170 [ 1390.189430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.189430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.189430][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.189430][ T10] netlink_unicast+0x449/0x710 [ 1390.189430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.189430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.189430][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.189430][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.189430][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.189430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.189430][ T10] [ 1390.192092][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1390.192510][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1390.192510][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.192510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.192510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.192510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.192510][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.192510][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.192510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.192510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.192510][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.192510][ T10] netlink_unicast+0x449/0x710 [ 1390.192510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.192510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.192510][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.192510][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.192510][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.192510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.192510][ T10] [ 1390.195608][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1390.195608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.195608][ T10] ipv6_find_idev+0x102/0x170 [ 1390.195608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.195608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.195608][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.195608][ T10] netlink_unicast+0x449/0x710 [ 1390.195608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.195608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.195608][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.195608][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.195608][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.195608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.195608][ T10] [ 1390.198158][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1390.198158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.198158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.198158][ T10] ipv6_find_idev+0x102/0x170 [ 1390.198158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.198158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.198158][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.198158][ T10] netlink_unicast+0x449/0x710 [ 1390.198158][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.198158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.198158][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.198158][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.198158][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.198158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.198158][ T10] [ 1390.201282][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1390.202023][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1390.202023][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.202023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.202023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.202023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.202023][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.202023][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.202023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.202023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.202023][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.202023][ T10] netlink_unicast+0x449/0x710 [ 1390.202023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.202023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.202023][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.202023][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.202023][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.202023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.202023][ T10] [ 1390.204247][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1390.204247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.204247][ T10] ipv6_find_idev+0x102/0x170 [ 1390.204247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.204247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.204247][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.204247][ T10] netlink_unicast+0x449/0x710 [ 1390.204247][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.204247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.204247][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.204247][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.204247][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.204247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.204247][ T10] [ 1390.205817][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1390.205817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.205817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.205817][ T10] ipv6_find_idev+0x102/0x170 [ 1390.205817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.205817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.205817][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.205817][ T10] netlink_unicast+0x449/0x710 [ 1390.205817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.205817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.205817][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.205817][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.205817][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.205817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.205817][ T10] [ 1390.207527][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1390.207810][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1390.207810][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.207810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.207810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.207810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.207810][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.207810][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.207810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.207810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.207810][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.207810][ T10] netlink_unicast+0x449/0x710 [ 1390.207810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.207810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.207810][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.207810][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.207810][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.207810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.207810][ T10] [ 1390.209867][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1390.209867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.209867][ T10] ipv6_find_idev+0x102/0x170 [ 1390.209867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.209867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.209867][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.209867][ T10] netlink_unicast+0x449/0x710 [ 1390.209867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.209867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.209867][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.209867][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.209867][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.209867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.209867][ T10] [ 1390.212078][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1390.212078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.212078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.212078][ T10] ipv6_find_idev+0x102/0x170 [ 1390.212078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.212078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.212078][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.212078][ T10] netlink_unicast+0x449/0x710 [ 1390.212078][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.212078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.212078][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.212078][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.212078][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.212078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.212078][ T10] [ 1390.214087][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1390.214409][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1390.214409][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.214409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.214409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.214409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.214409][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.214409][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.214409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.214409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.214409][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.214409][ T10] netlink_unicast+0x449/0x710 [ 1390.214409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.214409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.214409][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.214409][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.214409][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.214409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.214409][ T10] [ 1390.216626][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1390.216626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.216626][ T10] ipv6_find_idev+0x102/0x170 [ 1390.216626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.216626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.216626][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.216626][ T10] netlink_unicast+0x449/0x710 [ 1390.216626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.216626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.216626][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.216626][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.216626][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.216626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.216626][ T10] [ 1390.218653][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1390.218653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.218653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.218653][ T10] ipv6_find_idev+0x102/0x170 [ 1390.218653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.218653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.218653][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.218653][ T10] netlink_unicast+0x449/0x710 [ 1390.218653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.218653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.218653][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.218653][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.218653][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.218653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.218653][ T10] [ 1390.220603][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1390.220945][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1390.220945][ T10] netdev_get_by_index+0x5e/0x80 [ 1390.220945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1390.220945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1390.220945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1390.220945][ T10] ipv6_add_addr+0x411/0x2000 [ 1390.220945][ T10] inet6_addr_add+0x30e/0xa40 [ 1390.220945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.220945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.220945][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.220945][ T10] netlink_unicast+0x449/0x710 [ 1390.220945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.220945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.220945][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.220945][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.220945][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.220945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.220945][ T10] [ 1390.223207][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1390.223207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1390.223207][ T10] ipv6_find_idev+0x102/0x170 [ 1390.223207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.223207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.223207][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.223207][ T10] netlink_unicast+0x449/0x710 [ 1390.223207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.223207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.223207][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.223207][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.223207][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.223207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.223207][ T10] [ 1390.225007][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1390.225007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1390.225007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1390.225007][ T10] ipv6_find_idev+0x102/0x170 [ 1390.225007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.225007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.225007][ T10] netlink_rcv_skb+0x130/0x360 [ 1390.225007][ T10] netlink_unicast+0x449/0x710 [ 1390.225007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1390.225007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1390.225007][ T10] ___sys_sendmsg+0xee/0x170 [ 1390.225007][ T10] __sys_sendmsg+0xcd/0x170 [ 1390.225007][ T10] do_syscall_64+0xc6/0x1e0 [ 1390.225007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.225007][ T10] [ 1400.478025][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1400.478466][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1400.478466][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.478466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.478466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.478466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.478466][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.478466][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.478466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.478466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.478466][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.478466][ T10] netlink_unicast+0x449/0x710 [ 1400.478466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.478466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.478466][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.478466][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.478466][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.478466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.478466][ T10] [ 1400.480459][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1400.480459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.480459][ T10] ipv6_find_idev+0x102/0x170 [ 1400.480459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.480459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.480459][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.480459][ T10] netlink_unicast+0x449/0x710 [ 1400.480459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.480459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.480459][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.480459][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.480459][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.480459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.480459][ T10] [ 1400.482010][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1400.482010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.482010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.482010][ T10] ipv6_find_idev+0x102/0x170 [ 1400.482010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.482010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.482010][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.482010][ T10] netlink_unicast+0x449/0x710 [ 1400.482010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.482010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.482010][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.482010][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.482010][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.482010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.482010][ T10] [ 1400.483710][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1400.484002][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1400.484002][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.484002][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.484002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.484002][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.484002][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.484002][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.484002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.484002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.484002][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.484002][ T10] netlink_unicast+0x449/0x710 [ 1400.484002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.484002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.484002][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.484002][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.484002][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.484002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.484002][ T10] [ 1400.486015][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1400.486015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.486015][ T10] ipv6_find_idev+0x102/0x170 [ 1400.486015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.486015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.486015][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.486015][ T10] netlink_unicast+0x449/0x710 [ 1400.486015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.486015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.486015][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.486015][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.486015][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.486015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.486015][ T10] [ 1400.487557][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1400.487557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.487557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.487557][ T10] ipv6_find_idev+0x102/0x170 [ 1400.487557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.487557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.487557][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.487557][ T10] netlink_unicast+0x449/0x710 [ 1400.487557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.487557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.487557][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.487557][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.487557][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.487557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.487557][ T10] [ 1400.489248][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1400.489514][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1400.489514][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.489514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.489514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.489514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.489514][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.489514][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.489514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.489514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.489514][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.489514][ T10] netlink_unicast+0x449/0x710 [ 1400.489514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.489514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.489514][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.489514][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.489514][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.489514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.489514][ T10] [ 1400.491521][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1400.491521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.491521][ T10] ipv6_find_idev+0x102/0x170 [ 1400.491521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.491521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.491521][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.491521][ T10] netlink_unicast+0x449/0x710 [ 1400.491521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.491521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.491521][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.491521][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.491521][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.491521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.491521][ T10] [ 1400.493054][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1400.493054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.493054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.493054][ T10] ipv6_find_idev+0x102/0x170 [ 1400.493054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.493054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.493054][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.493054][ T10] netlink_unicast+0x449/0x710 [ 1400.493054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.493054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.493054][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.493054][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.493054][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.493054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.493054][ T10] [ 1400.494720][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1400.495435][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1400.495435][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.495435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.495435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.495435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.495435][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.495435][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.495435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.495435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.495435][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.495435][ T10] netlink_unicast+0x449/0x710 [ 1400.495435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.495435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.495435][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.495435][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.495435][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.495435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.495435][ T10] [ 1400.497423][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1400.497423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.497423][ T10] ipv6_find_idev+0x102/0x170 [ 1400.497423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.497423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.497423][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.497423][ T10] netlink_unicast+0x449/0x710 [ 1400.497423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.497423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.497423][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.497423][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.497423][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.497423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.497423][ T10] [ 1400.498971][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1400.498971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.498971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.498971][ T10] ipv6_find_idev+0x102/0x170 [ 1400.498971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.498971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.498971][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.498971][ T10] netlink_unicast+0x449/0x710 [ 1400.498971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.498971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.498971][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.498971][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.498971][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.498971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.498971][ T10] [ 1400.500709][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1400.501031][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1400.501031][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.501031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.501031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.501031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.501031][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.501031][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.501031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.501031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.501031][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.501031][ T10] netlink_unicast+0x449/0x710 [ 1400.501031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.501031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.501031][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.501031][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.501031][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.501031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.501031][ T10] [ 1400.503048][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1400.503048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.503048][ T10] ipv6_find_idev+0x102/0x170 [ 1400.503048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.503048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.503048][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.503048][ T10] netlink_unicast+0x449/0x710 [ 1400.503048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.503048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.503048][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.503048][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.503048][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.503048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.503048][ T10] [ 1400.504592][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1400.504592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.504592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.504592][ T10] ipv6_find_idev+0x102/0x170 [ 1400.504592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.504592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.504592][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.504592][ T10] netlink_unicast+0x449/0x710 [ 1400.504592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.504592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.504592][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.504592][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.504592][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.504592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.504592][ T10] [ 1400.506332][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1400.506598][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1400.506598][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.506598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.506598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.506598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.506598][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.506598][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.506598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.506598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.506598][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.506598][ T10] netlink_unicast+0x449/0x710 [ 1400.506598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.506598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.506598][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.506598][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.506598][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.506598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.506598][ T10] [ 1400.508676][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1400.508676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.508676][ T10] ipv6_find_idev+0x102/0x170 [ 1400.508676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.508676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.508676][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.508676][ T10] netlink_unicast+0x449/0x710 [ 1400.508676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.508676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.508676][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.508676][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.508676][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.508676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.508676][ T10] [ 1400.510407][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1400.510407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.510407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.510407][ T10] ipv6_find_idev+0x102/0x170 [ 1400.510407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.510407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.510407][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.510407][ T10] netlink_unicast+0x449/0x710 [ 1400.510407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.510407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.510407][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.510407][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.510407][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.510407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.510407][ T10] [ 1400.512424][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1400.512692][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1400.512692][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.512692][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.512692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.512692][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.512692][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.512692][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.512692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.512692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.512692][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.512692][ T10] netlink_unicast+0x449/0x710 [ 1400.512692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.512692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.512692][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.512692][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.512692][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.512692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.512692][ T10] [ 1400.514864][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1400.514864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.514864][ T10] ipv6_find_idev+0x102/0x170 [ 1400.514864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.514864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.514864][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.514864][ T10] netlink_unicast+0x449/0x710 [ 1400.514864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.514864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.514864][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.514864][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.514864][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.514864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.514864][ T10] [ 1400.516574][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1400.516574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.516574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.516574][ T10] ipv6_find_idev+0x102/0x170 [ 1400.516574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.516574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.516574][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.516574][ T10] netlink_unicast+0x449/0x710 [ 1400.516574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.516574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.516574][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.516574][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.516574][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.516574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.516574][ T10] [ 1400.518476][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1400.518739][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1400.518739][ T10] netdev_get_by_index+0x5e/0x80 [ 1400.518739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1400.518739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1400.518739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1400.518739][ T10] ipv6_add_addr+0x411/0x2000 [ 1400.518739][ T10] inet6_addr_add+0x30e/0xa40 [ 1400.518739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.518739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.518739][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.518739][ T10] netlink_unicast+0x449/0x710 [ 1400.518739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.518739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.518739][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.518739][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.518739][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.518739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.518739][ T10] [ 1400.521038][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1400.521038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1400.521038][ T10] ipv6_find_idev+0x102/0x170 [ 1400.521038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.521038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.521038][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.521038][ T10] netlink_unicast+0x449/0x710 [ 1400.521038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.521038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.521038][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.521038][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.521038][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.521038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.521038][ T10] [ 1400.522831][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1400.522831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1400.522831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1400.522831][ T10] ipv6_find_idev+0x102/0x170 [ 1400.522831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.522831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.522831][ T10] netlink_rcv_skb+0x130/0x360 [ 1400.522831][ T10] netlink_unicast+0x449/0x710 [ 1400.522831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1400.522831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1400.522831][ T10] ___sys_sendmsg+0xee/0x170 [ 1400.522831][ T10] __sys_sendmsg+0xcd/0x170 [ 1400.522831][ T10] do_syscall_64+0xc6/0x1e0 [ 1400.522831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.522831][ T10] [ 1410.773857][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1410.774308][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1410.774308][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.774308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.774308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.774308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.774308][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.774308][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.774308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.774308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.774308][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.774308][ T10] netlink_unicast+0x449/0x710 [ 1410.774308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.774308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.774308][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.774308][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.774308][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.774308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.774308][ T10] [ 1410.776410][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1410.776410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.776410][ T10] ipv6_find_idev+0x102/0x170 [ 1410.776410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.776410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.776410][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.776410][ T10] netlink_unicast+0x449/0x710 [ 1410.776410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.776410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.776410][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.776410][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.776410][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.776410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.776410][ T10] [ 1410.778001][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1410.778001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.778001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.778001][ T10] ipv6_find_idev+0x102/0x170 [ 1410.778001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.778001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.778001][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.778001][ T10] netlink_unicast+0x449/0x710 [ 1410.778001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.778001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.778001][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.778001][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.778001][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.778001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.778001][ T10] [ 1410.779750][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1410.780060][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1410.780060][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.780060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.780060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.780060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.780060][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.780060][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.780060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.780060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.780060][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.780060][ T10] netlink_unicast+0x449/0x710 [ 1410.780060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.780060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.780060][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.780060][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.780060][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.780060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.780060][ T10] [ 1410.782538][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1410.782538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.782538][ T10] ipv6_find_idev+0x102/0x170 [ 1410.782538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.782538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.782538][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.782538][ T10] netlink_unicast+0x449/0x710 [ 1410.782538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.782538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.782538][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.782538][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.782538][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.782538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.782538][ T10] [ 1410.784338][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1410.784338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.784338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.784338][ T10] ipv6_find_idev+0x102/0x170 [ 1410.784338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.784338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.784338][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.784338][ T10] netlink_unicast+0x449/0x710 [ 1410.784338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.784338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.784338][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.784338][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.784338][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.784338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.784338][ T10] [ 1410.786108][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1410.786386][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1410.786386][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.786386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.786386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.786386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.786386][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.786386][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.786386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.786386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.786386][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.786386][ T10] netlink_unicast+0x449/0x710 [ 1410.786386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.786386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.786386][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.786386][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.786386][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.786386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.786386][ T10] [ 1410.788434][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1410.788434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.788434][ T10] ipv6_find_idev+0x102/0x170 [ 1410.788434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.788434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.788434][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.788434][ T10] netlink_unicast+0x449/0x710 [ 1410.788434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.788434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.788434][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.788434][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.788434][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.788434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.788434][ T10] [ 1410.789987][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1410.789987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.789987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.789987][ T10] ipv6_find_idev+0x102/0x170 [ 1410.789987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.789987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.789987][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.789987][ T10] netlink_unicast+0x449/0x710 [ 1410.789987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.789987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.789987][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.789987][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.789987][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.789987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.789987][ T10] [ 1410.791706][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1410.792448][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1410.792448][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.792448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.792448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.792448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.792448][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.792448][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.792448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.792448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.792448][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.792448][ T10] netlink_unicast+0x449/0x710 [ 1410.792448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.792448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.792448][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.792448][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.792448][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.792448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.792448][ T10] [ 1410.794467][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1410.794467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.794467][ T10] ipv6_find_idev+0x102/0x170 [ 1410.794467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.794467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.794467][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.794467][ T10] netlink_unicast+0x449/0x710 [ 1410.794467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.794467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.794467][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.794467][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.794467][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.794467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.794467][ T10] [ 1410.796038][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1410.796038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.796038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.796038][ T10] ipv6_find_idev+0x102/0x170 [ 1410.796038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.796038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.796038][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.796038][ T10] netlink_unicast+0x449/0x710 [ 1410.796038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.796038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.796038][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.796038][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.796038][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.796038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.796038][ T10] [ 1410.797808][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1410.798120][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1410.798120][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.798120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.798120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.798120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.798120][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.798120][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.798120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.798120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.798120][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.798120][ T10] netlink_unicast+0x449/0x710 [ 1410.798120][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.798120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.798120][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.798120][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.798120][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.798120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.798120][ T10] [ 1410.800149][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1410.800149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.800149][ T10] ipv6_find_idev+0x102/0x170 [ 1410.800149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.800149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.800149][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.800149][ T10] netlink_unicast+0x449/0x710 [ 1410.800149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.800149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.800149][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.800149][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.800149][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.800149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.800149][ T10] [ 1410.801700][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1410.801700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.801700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.801700][ T10] ipv6_find_idev+0x102/0x170 [ 1410.801700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.801700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.801700][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.801700][ T10] netlink_unicast+0x449/0x710 [ 1410.801700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.801700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.801700][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.801700][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.801700][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.801700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.801700][ T10] [ 1410.803449][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1410.803761][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1410.803761][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.803761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.803761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.803761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.803761][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.803761][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.803761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.803761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.803761][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.803761][ T10] netlink_unicast+0x449/0x710 [ 1410.803761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.803761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.803761][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.803761][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.803761][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.803761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.803761][ T10] [ 1410.805790][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1410.805790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.805790][ T10] ipv6_find_idev+0x102/0x170 [ 1410.805790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.805790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.805790][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.805790][ T10] netlink_unicast+0x449/0x710 [ 1410.805790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.805790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.805790][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.805790][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.805790][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.805790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.805790][ T10] [ 1410.807519][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1410.807519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.807519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.807519][ T10] ipv6_find_idev+0x102/0x170 [ 1410.807519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.807519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.807519][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.807519][ T10] netlink_unicast+0x449/0x710 [ 1410.807519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.807519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.807519][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.807519][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.807519][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.807519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.807519][ T10] [ 1410.809438][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1410.809747][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1410.809747][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.809747][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.809747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.809747][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.809747][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.809747][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.809747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.809747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.809747][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.809747][ T10] netlink_unicast+0x449/0x710 [ 1410.809747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.809747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.809747][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.809747][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.809747][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.809747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.809747][ T10] [ 1410.811998][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1410.811998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.811998][ T10] ipv6_find_idev+0x102/0x170 [ 1410.811998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.811998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.811998][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.811998][ T10] netlink_unicast+0x449/0x710 [ 1410.811998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.811998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.811998][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.811998][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.811998][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.811998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.811998][ T10] [ 1410.813737][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1410.813737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.813737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.813737][ T10] ipv6_find_idev+0x102/0x170 [ 1410.813737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.813737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.813737][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.813737][ T10] netlink_unicast+0x449/0x710 [ 1410.813737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.813737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.813737][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.813737][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.813737][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.813737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.813737][ T10] [ 1410.815729][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1410.816064][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1410.816064][ T10] netdev_get_by_index+0x5e/0x80 [ 1410.816064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1410.816064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1410.816064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1410.816064][ T10] ipv6_add_addr+0x411/0x2000 [ 1410.816064][ T10] inet6_addr_add+0x30e/0xa40 [ 1410.816064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.816064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.816064][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.816064][ T10] netlink_unicast+0x449/0x710 [ 1410.816064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.816064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.816064][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.816064][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.816064][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.816064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.816064][ T10] [ 1410.818253][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1410.818253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1410.818253][ T10] ipv6_find_idev+0x102/0x170 [ 1410.818253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.818253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.818253][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.818253][ T10] netlink_unicast+0x449/0x710 [ 1410.818253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.818253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.818253][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.818253][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.818253][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.818253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.818253][ T10] [ 1410.819990][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1410.819990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1410.819990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1410.819990][ T10] ipv6_find_idev+0x102/0x170 [ 1410.819990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.819990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.819990][ T10] netlink_rcv_skb+0x130/0x360 [ 1410.819990][ T10] netlink_unicast+0x449/0x710 [ 1410.819990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1410.819990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1410.819990][ T10] ___sys_sendmsg+0xee/0x170 [ 1410.819990][ T10] __sys_sendmsg+0xcd/0x170 [ 1410.819990][ T10] do_syscall_64+0xc6/0x1e0 [ 1410.819990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.819990][ T10] [ 1421.077875][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1421.078331][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1421.078331][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.078331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.078331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.078331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.078331][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.078331][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.078331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.078331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.078331][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.078331][ T10] netlink_unicast+0x449/0x710 [ 1421.078331][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.078331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.078331][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.078331][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.078331][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.078331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.078331][ T10] [ 1421.080416][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1421.080416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.080416][ T10] ipv6_find_idev+0x102/0x170 [ 1421.080416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.080416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.080416][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.080416][ T10] netlink_unicast+0x449/0x710 [ 1421.080416][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.080416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.080416][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.080416][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.080416][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.080416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.080416][ T10] [ 1421.082022][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1421.082022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.082022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.082022][ T10] ipv6_find_idev+0x102/0x170 [ 1421.082022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.082022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.082022][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.082022][ T10] netlink_unicast+0x449/0x710 [ 1421.082022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.082022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.082022][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.082022][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.082022][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.082022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.082022][ T10] [ 1421.083910][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1421.084207][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1421.084207][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.084207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.084207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.084207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.084207][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.084207][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.084207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.084207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.084207][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.084207][ T10] netlink_unicast+0x449/0x710 [ 1421.084207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.084207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.084207][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.084207][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.084207][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.084207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.084207][ T10] [ 1421.086349][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1421.086349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.086349][ T10] ipv6_find_idev+0x102/0x170 [ 1421.086349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.086349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.086349][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.086349][ T10] netlink_unicast+0x449/0x710 [ 1421.086349][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.086349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.086349][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.086349][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.086349][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.086349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.086349][ T10] [ 1421.088028][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1421.088028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.088028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.088028][ T10] ipv6_find_idev+0x102/0x170 [ 1421.088028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.088028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.088028][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.088028][ T10] netlink_unicast+0x449/0x710 [ 1421.088028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.088028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.088028][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.088028][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.088028][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.088028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.088028][ T10] [ 1421.089918][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1421.090218][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1421.090218][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.090218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.090218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.090218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.090218][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.090218][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.090218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.090218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.090218][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.090218][ T10] netlink_unicast+0x449/0x710 [ 1421.090218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.090218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.090218][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.090218][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.090218][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.090218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.090218][ T10] [ 1421.092459][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1421.092459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.092459][ T10] ipv6_find_idev+0x102/0x170 [ 1421.092459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.092459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.092459][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.092459][ T10] netlink_unicast+0x449/0x710 [ 1421.092459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.092459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.092459][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.092459][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.092459][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.092459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.092459][ T10] [ 1421.094200][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1421.094200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.094200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.094200][ T10] ipv6_find_idev+0x102/0x170 [ 1421.094200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.094200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.094200][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.094200][ T10] netlink_unicast+0x449/0x710 [ 1421.094200][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.094200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.094200][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.094200][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.094200][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.094200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.094200][ T10] [ 1421.096101][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1421.096399][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1421.096399][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.096399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.096399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.096399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.096399][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.096399][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.096399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.096399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.096399][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.096399][ T10] netlink_unicast+0x449/0x710 [ 1421.096399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.096399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.096399][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.096399][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.096399][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.096399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.096399][ T10] [ 1421.098638][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1421.098638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.098638][ T10] ipv6_find_idev+0x102/0x170 [ 1421.098638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.098638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.098638][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.098638][ T10] netlink_unicast+0x449/0x710 [ 1421.098638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.098638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.098638][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.098638][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.098638][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.098638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.098638][ T10] [ 1421.100393][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1421.100393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.100393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.100393][ T10] ipv6_find_idev+0x102/0x170 [ 1421.100393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.100393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.100393][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.100393][ T10] netlink_unicast+0x449/0x710 [ 1421.100393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.100393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.100393][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.100393][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.100393][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.100393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.100393][ T10] [ 1421.102283][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1421.102571][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1421.102571][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.102571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.102571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.102571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.102571][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.102571][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.102571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.102571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.102571][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.102571][ T10] netlink_unicast+0x449/0x710 [ 1421.102571][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.102571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.102571][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.102571][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.102571][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.102571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.102571][ T10] [ 1421.104819][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1421.104819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.104819][ T10] ipv6_find_idev+0x102/0x170 [ 1421.104819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.104819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.104819][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.104819][ T10] netlink_unicast+0x449/0x710 [ 1421.104819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.104819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.104819][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.104819][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.104819][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.104819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.104819][ T10] [ 1421.106692][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1421.106692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.106692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.106692][ T10] ipv6_find_idev+0x102/0x170 [ 1421.106692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.106692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.106692][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.106692][ T10] netlink_unicast+0x449/0x710 [ 1421.106692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.106692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.106692][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.106692][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.106692][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.106692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.106692][ T10] [ 1421.108829][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1421.109122][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1421.109122][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.109122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.109122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.109122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.109122][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.109122][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.109122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.109122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.109122][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.109122][ T10] netlink_unicast+0x449/0x710 [ 1421.109122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.109122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.109122][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.109122][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.109122][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.109122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.109122][ T10] [ 1421.111611][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1421.111611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.111611][ T10] ipv6_find_idev+0x102/0x170 [ 1421.111611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.111611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.111611][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.111611][ T10] netlink_unicast+0x449/0x710 [ 1421.111611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.111611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.111611][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.111611][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.111611][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.111611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.111611][ T10] [ 1421.114103][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1421.114103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.114103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.114103][ T10] ipv6_find_idev+0x102/0x170 [ 1421.114103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.114103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.114103][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.114103][ T10] netlink_unicast+0x449/0x710 [ 1421.114103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.114103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.114103][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.114103][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.114103][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.114103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.114103][ T10] [ 1421.116218][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1421.116508][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1421.116508][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.116508][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.116508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.116508][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.116508][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.116508][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.116508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.116508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.116508][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.116508][ T10] netlink_unicast+0x449/0x710 [ 1421.116508][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.116508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.116508][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.116508][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.116508][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.116508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.116508][ T10] [ 1421.118993][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1421.118993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.118993][ T10] ipv6_find_idev+0x102/0x170 [ 1421.118993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.118993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.118993][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.118993][ T10] netlink_unicast+0x449/0x710 [ 1421.118993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.118993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.118993][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.118993][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.118993][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.118993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.118993][ T10] [ 1421.120901][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1421.120901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.120901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.120901][ T10] ipv6_find_idev+0x102/0x170 [ 1421.120901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.120901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.120901][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.120901][ T10] netlink_unicast+0x449/0x710 [ 1421.120901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.120901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.120901][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.120901][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.120901][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.120901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.120901][ T10] [ 1421.123407][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1421.123702][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1421.123702][ T10] netdev_get_by_index+0x5e/0x80 [ 1421.123702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1421.123702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1421.123702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1421.123702][ T10] ipv6_add_addr+0x411/0x2000 [ 1421.123702][ T10] inet6_addr_add+0x30e/0xa40 [ 1421.123702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.123702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.123702][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.123702][ T10] netlink_unicast+0x449/0x710 [ 1421.123702][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.123702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.123702][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.123702][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.123702][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.123702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.123702][ T10] [ 1421.126195][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1421.126195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1421.126195][ T10] ipv6_find_idev+0x102/0x170 [ 1421.126195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.126195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.126195][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.126195][ T10] netlink_unicast+0x449/0x710 [ 1421.126195][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.126195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.126195][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.126195][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.126195][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.126195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.126195][ T10] [ 1421.128100][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1421.128100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1421.128100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1421.128100][ T10] ipv6_find_idev+0x102/0x170 [ 1421.128100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.128100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.128100][ T10] netlink_rcv_skb+0x130/0x360 [ 1421.128100][ T10] netlink_unicast+0x449/0x710 [ 1421.128100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1421.128100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1421.128100][ T10] ___sys_sendmsg+0xee/0x170 [ 1421.128100][ T10] __sys_sendmsg+0xcd/0x170 [ 1421.128100][ T10] do_syscall_64+0xc6/0x1e0 [ 1421.128100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.128100][ T10] [ 1431.334000][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1431.334542][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1431.334542][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.334542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.334542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.334542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.334542][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.334542][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.334542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.334542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.334542][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.334542][ T10] netlink_unicast+0x449/0x710 [ 1431.334542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.334542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.334542][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.334542][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.334542][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.334542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.334542][ T10] [ 1431.337166][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1431.337166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.337166][ T10] ipv6_find_idev+0x102/0x170 [ 1431.337166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.337166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.337166][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.337166][ T10] netlink_unicast+0x449/0x710 [ 1431.337166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.337166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.337166][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.337166][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.337166][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.337166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.337166][ T10] [ 1431.338876][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1431.338876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.338876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.338876][ T10] ipv6_find_idev+0x102/0x170 [ 1431.338876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.338876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.338876][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.338876][ T10] netlink_unicast+0x449/0x710 [ 1431.338876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.338876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.338876][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.338876][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.338876][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.338876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.338876][ T10] [ 1431.340781][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1431.341077][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1431.341077][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.341077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.341077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.341077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.341077][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.341077][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.341077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.341077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.341077][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.341077][ T10] netlink_unicast+0x449/0x710 [ 1431.341077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.341077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.341077][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.341077][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.341077][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.341077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.341077][ T10] [ 1431.343286][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1431.343286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.343286][ T10] ipv6_find_idev+0x102/0x170 [ 1431.343286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.343286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.343286][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.343286][ T10] netlink_unicast+0x449/0x710 [ 1431.343286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.343286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.343286][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.343286][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.343286][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.343286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.343286][ T10] [ 1431.344997][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1431.344997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.344997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.344997][ T10] ipv6_find_idev+0x102/0x170 [ 1431.344997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.344997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.344997][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.344997][ T10] netlink_unicast+0x449/0x710 [ 1431.344997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.344997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.344997][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.344997][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.344997][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.344997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.344997][ T10] [ 1431.346875][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1431.347165][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1431.347165][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.347165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.347165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.347165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.347165][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.347165][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.347165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.347165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.347165][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.347165][ T10] netlink_unicast+0x449/0x710 [ 1431.347165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.347165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.347165][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.347165][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.347165][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.347165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.347165][ T10] [ 1431.349374][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1431.349374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.349374][ T10] ipv6_find_idev+0x102/0x170 [ 1431.349374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.349374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.349374][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.349374][ T10] netlink_unicast+0x449/0x710 [ 1431.349374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.349374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.349374][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.349374][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.349374][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.349374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.349374][ T10] [ 1431.351071][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1431.351071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.351071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.351071][ T10] ipv6_find_idev+0x102/0x170 [ 1431.351071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.351071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.351071][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.351071][ T10] netlink_unicast+0x449/0x710 [ 1431.351071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.351071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.351071][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.351071][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.351071][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.351071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.351071][ T10] [ 1431.352945][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1431.353228][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1431.353228][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.353228][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.353228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.353228][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.353228][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.353228][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.353228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.353228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.353228][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.353228][ T10] netlink_unicast+0x449/0x710 [ 1431.353228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.353228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.353228][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.353228][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.353228][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.353228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.353228][ T10] [ 1431.355803][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1431.355803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.355803][ T10] ipv6_find_idev+0x102/0x170 [ 1431.355803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.355803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.355803][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.355803][ T10] netlink_unicast+0x449/0x710 [ 1431.355803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.355803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.355803][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.355803][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.355803][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.355803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.355803][ T10] [ 1431.357514][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1431.357514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.357514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.357514][ T10] ipv6_find_idev+0x102/0x170 [ 1431.357514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.357514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.357514][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.357514][ T10] netlink_unicast+0x449/0x710 [ 1431.357514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.357514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.357514][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.357514][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.357514][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.357514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.357514][ T10] [ 1431.359784][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1431.360072][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1431.360072][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.360072][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.360072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.360072][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.360072][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.360072][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.360072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.360072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.360072][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.360072][ T10] netlink_unicast+0x449/0x710 [ 1431.360072][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.360072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.360072][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.360072][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.360072][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.360072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.360072][ T10] [ 1431.362275][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1431.362275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.362275][ T10] ipv6_find_idev+0x102/0x170 [ 1431.362275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.362275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.362275][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.362275][ T10] netlink_unicast+0x449/0x710 [ 1431.362275][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.362275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.362275][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.362275][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.362275][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.362275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.362275][ T10] [ 1431.363992][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1431.363992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.363992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.363992][ T10] ipv6_find_idev+0x102/0x170 [ 1431.363992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.363992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.363992][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.363992][ T10] netlink_unicast+0x449/0x710 [ 1431.363992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.363992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.363992][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.363992][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.363992][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.363992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.363992][ T10] [ 1431.365904][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1431.366185][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1431.366185][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.366185][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.366185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.366185][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.366185][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.366185][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.366185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.366185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.366185][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.366185][ T10] netlink_unicast+0x449/0x710 [ 1431.366185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.366185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.366185][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.366185][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.366185][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.366185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.366185][ T10] [ 1431.368459][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1431.368459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.368459][ T10] ipv6_find_idev+0x102/0x170 [ 1431.368459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.368459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.368459][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.368459][ T10] netlink_unicast+0x449/0x710 [ 1431.368459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.368459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.368459][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.368459][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.368459][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.368459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.368459][ T10] [ 1431.370226][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1431.370226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.370226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.370226][ T10] ipv6_find_idev+0x102/0x170 [ 1431.370226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.370226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.370226][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.370226][ T10] netlink_unicast+0x449/0x710 [ 1431.370226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.370226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.370226][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.370226][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.370226][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.370226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.370226][ T10] [ 1431.372253][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1431.372536][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1431.372536][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.372536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.372536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.372536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.372536][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.372536][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.372536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.372536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.372536][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.372536][ T10] netlink_unicast+0x449/0x710 [ 1431.372536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.372536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.372536][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.372536][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.372536][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.372536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.372536][ T10] [ 1431.374873][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1431.374873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.374873][ T10] ipv6_find_idev+0x102/0x170 [ 1431.374873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.374873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.374873][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.374873][ T10] netlink_unicast+0x449/0x710 [ 1431.374873][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.374873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.374873][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.374873][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.374873][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.374873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.374873][ T10] [ 1431.376647][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1431.376647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.376647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.376647][ T10] ipv6_find_idev+0x102/0x170 [ 1431.376647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.376647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.376647][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.376647][ T10] netlink_unicast+0x449/0x710 [ 1431.376647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.376647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.376647][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.376647][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.376647][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.376647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.376647][ T10] [ 1431.378659][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1431.379001][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1431.379001][ T10] netdev_get_by_index+0x5e/0x80 [ 1431.379001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1431.379001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1431.379001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1431.379001][ T10] ipv6_add_addr+0x411/0x2000 [ 1431.379001][ T10] inet6_addr_add+0x30e/0xa40 [ 1431.379001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.379001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.379001][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.379001][ T10] netlink_unicast+0x449/0x710 [ 1431.379001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.379001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.379001][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.379001][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.379001][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.379001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.379001][ T10] [ 1431.381355][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1431.381355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1431.381355][ T10] ipv6_find_idev+0x102/0x170 [ 1431.381355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.381355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.381355][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.381355][ T10] netlink_unicast+0x449/0x710 [ 1431.381355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.381355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.381355][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.381355][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.381355][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.381355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.381355][ T10] [ 1431.383118][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1431.383118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1431.383118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1431.383118][ T10] ipv6_find_idev+0x102/0x170 [ 1431.383118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.383118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.383118][ T10] netlink_rcv_skb+0x130/0x360 [ 1431.383118][ T10] netlink_unicast+0x449/0x710 [ 1431.383118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1431.383118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1431.383118][ T10] ___sys_sendmsg+0xee/0x170 [ 1431.383118][ T10] __sys_sendmsg+0xcd/0x170 [ 1431.383118][ T10] do_syscall_64+0xc6/0x1e0 [ 1431.383118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.383118][ T10] [ 1441.838853][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1441.839370][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1441.839370][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.839370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.839370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.839370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.839370][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.839370][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.839370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.839370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.839370][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.839370][ T10] netlink_unicast+0x449/0x710 [ 1441.839370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.839370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.839370][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.839370][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.839370][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.839370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.839370][ T10] [ 1441.841378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1441.841378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.841378][ T10] ipv6_find_idev+0x102/0x170 [ 1441.841378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.841378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.841378][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.841378][ T10] netlink_unicast+0x449/0x710 [ 1441.841378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.841378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.841378][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.841378][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.841378][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.841378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.841378][ T10] [ 1441.842928][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1441.842928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.842928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.842928][ T10] ipv6_find_idev+0x102/0x170 [ 1441.842928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.842928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.842928][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.842928][ T10] netlink_unicast+0x449/0x710 [ 1441.842928][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.842928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.842928][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.842928][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.842928][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.842928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.842928][ T10] [ 1441.844634][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1441.844933][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1441.844933][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.844933][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.844933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.844933][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.844933][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.844933][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.844933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.844933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.844933][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.844933][ T10] netlink_unicast+0x449/0x710 [ 1441.844933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.844933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.844933][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.844933][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.844933][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.844933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.844933][ T10] [ 1441.846939][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1441.846939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.846939][ T10] ipv6_find_idev+0x102/0x170 [ 1441.846939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.846939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.846939][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.846939][ T10] netlink_unicast+0x449/0x710 [ 1441.846939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.846939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.846939][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.846939][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.846939][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.846939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.846939][ T10] [ 1441.848492][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1441.848492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.848492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.848492][ T10] ipv6_find_idev+0x102/0x170 [ 1441.848492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.848492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.848492][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.848492][ T10] netlink_unicast+0x449/0x710 [ 1441.848492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.848492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.848492][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.848492][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.848492][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.848492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.848492][ T10] [ 1441.850191][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1441.850468][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1441.850468][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.850468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.850468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.850468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.850468][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.850468][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.850468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.850468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.850468][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.850468][ T10] netlink_unicast+0x449/0x710 [ 1441.850468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.850468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.850468][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.850468][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.850468][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.850468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.850468][ T10] [ 1441.852497][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1441.852497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.852497][ T10] ipv6_find_idev+0x102/0x170 [ 1441.852497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.852497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.852497][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.852497][ T10] netlink_unicast+0x449/0x710 [ 1441.852497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.852497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.852497][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.852497][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.852497][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.852497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.852497][ T10] [ 1441.854047][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1441.854047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.854047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.854047][ T10] ipv6_find_idev+0x102/0x170 [ 1441.854047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.854047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.854047][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.854047][ T10] netlink_unicast+0x449/0x710 [ 1441.854047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.854047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.854047][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.854047][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.854047][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.854047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.854047][ T10] [ 1441.855763][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1441.856478][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1441.856478][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.856478][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.856478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.856478][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.856478][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.856478][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.856478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.856478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.856478][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.856478][ T10] netlink_unicast+0x449/0x710 [ 1441.856478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.856478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.856478][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.856478][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.856478][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.856478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.856478][ T10] [ 1441.858503][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1441.858503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.858503][ T10] ipv6_find_idev+0x102/0x170 [ 1441.858503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.858503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.858503][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.858503][ T10] netlink_unicast+0x449/0x710 [ 1441.858503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.858503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.858503][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.858503][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.858503][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.858503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.858503][ T10] [ 1441.860044][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1441.860044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.860044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.860044][ T10] ipv6_find_idev+0x102/0x170 [ 1441.860044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.860044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.860044][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.860044][ T10] netlink_unicast+0x449/0x710 [ 1441.860044][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.860044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.860044][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.860044][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.860044][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.860044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.860044][ T10] [ 1441.861807][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1441.862073][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1441.862073][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.862073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.862073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.862073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.862073][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.862073][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.862073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.862073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.862073][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.862073][ T10] netlink_unicast+0x449/0x710 [ 1441.862073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.862073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.862073][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.862073][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.862073][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.862073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.862073][ T10] [ 1441.864081][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1441.864081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.864081][ T10] ipv6_find_idev+0x102/0x170 [ 1441.864081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.864081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.864081][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.864081][ T10] netlink_unicast+0x449/0x710 [ 1441.864081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.864081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.864081][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.864081][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.864081][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.864081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.864081][ T10] [ 1441.865639][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1441.865639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.865639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.865639][ T10] ipv6_find_idev+0x102/0x170 [ 1441.865639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.865639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.865639][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.865639][ T10] netlink_unicast+0x449/0x710 [ 1441.865639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.865639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.865639][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.865639][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.865639][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.865639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.865639][ T10] [ 1441.867415][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1441.867684][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1441.867684][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.867684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.867684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.867684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.867684][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.867684][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.867684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.867684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.867684][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.867684][ T10] netlink_unicast+0x449/0x710 [ 1441.867684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.867684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.867684][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.867684][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.867684][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.867684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.867684][ T10] [ 1441.869766][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1441.869766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.869766][ T10] ipv6_find_idev+0x102/0x170 [ 1441.869766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.869766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.869766][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.869766][ T10] netlink_unicast+0x449/0x710 [ 1441.869766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.869766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.869766][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.869766][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.869766][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.869766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.869766][ T10] [ 1441.871520][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1441.871520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.871520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.871520][ T10] ipv6_find_idev+0x102/0x170 [ 1441.871520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.871520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.871520][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.871520][ T10] netlink_unicast+0x449/0x710 [ 1441.871520][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.871520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.871520][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.871520][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.871520][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.871520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.871520][ T10] [ 1441.873577][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1441.873907][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1441.873907][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.873907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.873907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.873907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.873907][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.873907][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.873907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.873907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.873907][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.873907][ T10] netlink_unicast+0x449/0x710 [ 1441.873907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.873907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.873907][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.873907][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.873907][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.873907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.873907][ T10] [ 1441.876064][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1441.876064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.876064][ T10] ipv6_find_idev+0x102/0x170 [ 1441.876064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.876064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.876064][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.876064][ T10] netlink_unicast+0x449/0x710 [ 1441.876064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.876064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.876064][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.876064][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.876064][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.876064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.876064][ T10] [ 1441.877747][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1441.877747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.877747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.877747][ T10] ipv6_find_idev+0x102/0x170 [ 1441.877747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.877747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.877747][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.877747][ T10] netlink_unicast+0x449/0x710 [ 1441.877747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.877747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.877747][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.877747][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.877747][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.877747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.877747][ T10] [ 1441.879747][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1441.880078][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1441.880078][ T10] netdev_get_by_index+0x5e/0x80 [ 1441.880078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1441.880078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1441.880078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1441.880078][ T10] ipv6_add_addr+0x411/0x2000 [ 1441.880078][ T10] inet6_addr_add+0x30e/0xa40 [ 1441.880078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.880078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.880078][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.880078][ T10] netlink_unicast+0x449/0x710 [ 1441.880078][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.880078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.880078][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.880078][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.880078][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.880078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.880078][ T10] [ 1441.882290][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1441.882290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1441.882290][ T10] ipv6_find_idev+0x102/0x170 [ 1441.882290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.882290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.882290][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.882290][ T10] netlink_unicast+0x449/0x710 [ 1441.882290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.882290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.882290][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.882290][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.882290][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.882290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.882290][ T10] [ 1441.884108][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1441.884108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1441.884108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1441.884108][ T10] ipv6_find_idev+0x102/0x170 [ 1441.884108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.884108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.884108][ T10] netlink_rcv_skb+0x130/0x360 [ 1441.884108][ T10] netlink_unicast+0x449/0x710 [ 1441.884108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1441.884108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1441.884108][ T10] ___sys_sendmsg+0xee/0x170 [ 1441.884108][ T10] __sys_sendmsg+0xcd/0x170 [ 1441.884108][ T10] do_syscall_64+0xc6/0x1e0 [ 1441.884108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.884108][ T10] [ 1452.141954][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1452.142465][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1452.142465][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.142465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.142465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.142465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.142465][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.142465][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.142465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.142465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.142465][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.142465][ T10] netlink_unicast+0x449/0x710 [ 1452.142465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.142465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.142465][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.142465][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.142465][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.142465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.142465][ T10] [ 1452.144464][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1452.144464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.144464][ T10] ipv6_find_idev+0x102/0x170 [ 1452.144464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.144464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.144464][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.144464][ T10] netlink_unicast+0x449/0x710 [ 1452.144464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.144464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.144464][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.144464][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.144464][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.144464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.144464][ T10] [ 1452.146004][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1452.146004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.146004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.146004][ T10] ipv6_find_idev+0x102/0x170 [ 1452.146004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.146004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.146004][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.146004][ T10] netlink_unicast+0x449/0x710 [ 1452.146004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.146004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.146004][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.146004][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.146004][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.146004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.146004][ T10] [ 1452.147696][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1452.147983][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1452.147983][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.147983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.147983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.147983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.147983][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.147983][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.147983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.147983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.147983][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.147983][ T10] netlink_unicast+0x449/0x710 [ 1452.147983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.147983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.147983][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.147983][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.147983][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.147983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.147983][ T10] [ 1452.149958][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1452.149958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.149958][ T10] ipv6_find_idev+0x102/0x170 [ 1452.149958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.149958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.149958][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.149958][ T10] netlink_unicast+0x449/0x710 [ 1452.149958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.149958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.149958][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.149958][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.149958][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.149958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.149958][ T10] [ 1452.151483][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1452.151483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.151483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.151483][ T10] ipv6_find_idev+0x102/0x170 [ 1452.151483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.151483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.151483][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.151483][ T10] netlink_unicast+0x449/0x710 [ 1452.151483][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.151483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.151483][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.151483][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.151483][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.151483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.151483][ T10] [ 1452.153143][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1452.153411][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1452.153411][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.153411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.153411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.153411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.153411][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.153411][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.153411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.153411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.153411][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.153411][ T10] netlink_unicast+0x449/0x710 [ 1452.153411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.153411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.153411][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.153411][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.153411][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.153411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.153411][ T10] [ 1452.155397][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1452.155397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.155397][ T10] ipv6_find_idev+0x102/0x170 [ 1452.155397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.155397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.155397][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.155397][ T10] netlink_unicast+0x449/0x710 [ 1452.155397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.155397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.155397][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.155397][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.155397][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.155397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.155397][ T10] [ 1452.156923][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1452.156923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.156923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.156923][ T10] ipv6_find_idev+0x102/0x170 [ 1452.156923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.156923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.156923][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.156923][ T10] netlink_unicast+0x449/0x710 [ 1452.156923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.156923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.156923][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.156923][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.156923][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.156923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.156923][ T10] [ 1452.158592][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1452.159294][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1452.159294][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.159294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.159294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.159294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.159294][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.159294][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.159294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.159294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.159294][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.159294][ T10] netlink_unicast+0x449/0x710 [ 1452.159294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.159294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.159294][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.159294][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.159294][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.159294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.159294][ T10] [ 1452.161262][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1452.161262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.161262][ T10] ipv6_find_idev+0x102/0x170 [ 1452.161262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.161262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.161262][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.161262][ T10] netlink_unicast+0x449/0x710 [ 1452.161262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.161262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.161262][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.161262][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.161262][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.161262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.161262][ T10] [ 1452.162784][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1452.162784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.162784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.162784][ T10] ipv6_find_idev+0x102/0x170 [ 1452.162784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.162784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.162784][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.162784][ T10] netlink_unicast+0x449/0x710 [ 1452.162784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.162784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.162784][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.162784][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.162784][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.162784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.162784][ T10] [ 1452.164494][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1452.164754][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1452.164754][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.164754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.164754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.164754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.164754][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.164754][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.164754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.164754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.164754][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.164754][ T10] netlink_unicast+0x449/0x710 [ 1452.164754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.164754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.164754][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.164754][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.164754][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.164754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.164754][ T10] [ 1452.166733][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1452.166733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.166733][ T10] ipv6_find_idev+0x102/0x170 [ 1452.166733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.166733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.166733][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.166733][ T10] netlink_unicast+0x449/0x710 [ 1452.166733][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.166733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.166733][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.166733][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.166733][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.166733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.166733][ T10] [ 1452.168253][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1452.168253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.168253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.168253][ T10] ipv6_find_idev+0x102/0x170 [ 1452.168253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.168253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.168253][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.168253][ T10] netlink_unicast+0x449/0x710 [ 1452.168253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.168253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.168253][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.168253][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.168253][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.168253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.168253][ T10] [ 1452.169955][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1452.170214][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1452.170214][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.170214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.170214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.170214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.170214][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.170214][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.170214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.170214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.170214][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.170214][ T10] netlink_unicast+0x449/0x710 [ 1452.170214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.170214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.170214][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.170214][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.170214][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.170214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.170214][ T10] [ 1452.172326][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1452.172326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.172326][ T10] ipv6_find_idev+0x102/0x170 [ 1452.172326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.172326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.172326][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.172326][ T10] netlink_unicast+0x449/0x710 [ 1452.172326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.172326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.172326][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.172326][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.172326][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.172326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.172326][ T10] [ 1452.174090][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1452.174090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.174090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.174090][ T10] ipv6_find_idev+0x102/0x170 [ 1452.174090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.174090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.174090][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.174090][ T10] netlink_unicast+0x449/0x710 [ 1452.174090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.174090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.174090][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.174090][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.174090][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.174090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.174090][ T10] [ 1452.175977][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1452.176240][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1452.176240][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.176240][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.176240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.176240][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.176240][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.176240][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.176240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.176240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.176240][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.176240][ T10] netlink_unicast+0x449/0x710 [ 1452.176240][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.176240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.176240][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.176240][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.176240][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.176240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.176240][ T10] [ 1452.178453][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1452.178453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.178453][ T10] ipv6_find_idev+0x102/0x170 [ 1452.178453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.178453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.178453][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.178453][ T10] netlink_unicast+0x449/0x710 [ 1452.178453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.178453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.178453][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.178453][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.178453][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.178453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.178453][ T10] [ 1452.180151][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1452.180151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.180151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.180151][ T10] ipv6_find_idev+0x102/0x170 [ 1452.180151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.180151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.180151][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.180151][ T10] netlink_unicast+0x449/0x710 [ 1452.180151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.180151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.180151][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.180151][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.180151][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.180151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.180151][ T10] [ 1452.182030][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1452.182288][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1452.182288][ T10] netdev_get_by_index+0x5e/0x80 [ 1452.182288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1452.182288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1452.182288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1452.182288][ T10] ipv6_add_addr+0x411/0x2000 [ 1452.182288][ T10] inet6_addr_add+0x30e/0xa40 [ 1452.182288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.182288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.182288][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.182288][ T10] netlink_unicast+0x449/0x710 [ 1452.182288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.182288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.182288][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.182288][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.182288][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.182288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.182288][ T10] [ 1452.185099][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1452.185099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1452.185099][ T10] ipv6_find_idev+0x102/0x170 [ 1452.185099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.185099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.185099][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.185099][ T10] netlink_unicast+0x449/0x710 [ 1452.185099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.185099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.185099][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.185099][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.185099][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.185099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.185099][ T10] [ 1452.186801][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1452.186801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1452.186801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1452.186801][ T10] ipv6_find_idev+0x102/0x170 [ 1452.186801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.186801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.186801][ T10] netlink_rcv_skb+0x130/0x360 [ 1452.186801][ T10] netlink_unicast+0x449/0x710 [ 1452.186801][ T10] netlink_sendmsg+0x723/0xbe0 [ 1452.186801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1452.186801][ T10] ___sys_sendmsg+0xee/0x170 [ 1452.186801][ T10] __sys_sendmsg+0xcd/0x170 [ 1452.186801][ T10] do_syscall_64+0xc6/0x1e0 [ 1452.186801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.186801][ T10] [ 1462.437892][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1462.438392][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1462.438392][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.438392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.438392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.438392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.438392][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.438392][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.438392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.438392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.438392][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.438392][ T10] netlink_unicast+0x449/0x710 [ 1462.438392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.438392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.438392][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.438392][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.438392][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.438392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.438392][ T10] [ 1462.440423][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1462.440423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.440423][ T10] ipv6_find_idev+0x102/0x170 [ 1462.440423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.440423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.440423][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.440423][ T10] netlink_unicast+0x449/0x710 [ 1462.440423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.440423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.440423][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.440423][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.440423][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.440423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.440423][ T10] [ 1462.441974][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1462.441974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.441974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.441974][ T10] ipv6_find_idev+0x102/0x170 [ 1462.441974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.441974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.441974][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.441974][ T10] netlink_unicast+0x449/0x710 [ 1462.441974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.441974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.441974][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.441974][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.441974][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.441974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.441974][ T10] [ 1462.443672][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1462.443967][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1462.443967][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.443967][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.443967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.443967][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.443967][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.443967][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.443967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.443967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.443967][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.443967][ T10] netlink_unicast+0x449/0x710 [ 1462.443967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.443967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.443967][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.443967][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.443967][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.443967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.443967][ T10] [ 1462.445984][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1462.445984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.445984][ T10] ipv6_find_idev+0x102/0x170 [ 1462.445984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.445984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.445984][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.445984][ T10] netlink_unicast+0x449/0x710 [ 1462.445984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.445984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.445984][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.445984][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.445984][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.445984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.445984][ T10] [ 1462.447530][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1462.447530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.447530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.447530][ T10] ipv6_find_idev+0x102/0x170 [ 1462.447530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.447530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.447530][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.447530][ T10] netlink_unicast+0x449/0x710 [ 1462.447530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.447530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.447530][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.447530][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.447530][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.447530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.447530][ T10] [ 1462.449233][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1462.449504][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1462.449504][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.449504][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.449504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.449504][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.449504][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.449504][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.449504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.449504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.449504][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.449504][ T10] netlink_unicast+0x449/0x710 [ 1462.449504][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.449504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.449504][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.449504][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.449504][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.449504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.449504][ T10] [ 1462.451515][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1462.451515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.451515][ T10] ipv6_find_idev+0x102/0x170 [ 1462.451515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.451515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.451515][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.451515][ T10] netlink_unicast+0x449/0x710 [ 1462.451515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.451515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.451515][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.451515][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.451515][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.451515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.451515][ T10] [ 1462.453060][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1462.453060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.453060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.453060][ T10] ipv6_find_idev+0x102/0x170 [ 1462.453060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.453060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.453060][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.453060][ T10] netlink_unicast+0x449/0x710 [ 1462.453060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.453060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.453060][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.453060][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.453060][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.453060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.453060][ T10] [ 1462.454751][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1462.455468][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1462.455468][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.455468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.455468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.455468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.455468][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.455468][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.455468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.455468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.455468][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.455468][ T10] netlink_unicast+0x449/0x710 [ 1462.455468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.455468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.455468][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.455468][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.455468][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.455468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.455468][ T10] [ 1462.457469][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1462.457469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.457469][ T10] ipv6_find_idev+0x102/0x170 [ 1462.457469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.457469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.457469][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.457469][ T10] netlink_unicast+0x449/0x710 [ 1462.457469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.457469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.457469][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.457469][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.457469][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.457469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.457469][ T10] [ 1462.459010][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1462.459010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.459010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.459010][ T10] ipv6_find_idev+0x102/0x170 [ 1462.459010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.459010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.459010][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.459010][ T10] netlink_unicast+0x449/0x710 [ 1462.459010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.459010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.459010][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.459010][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.459010][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.459010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.459010][ T10] [ 1462.460750][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1462.461070][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1462.461070][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.461070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.461070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.461070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.461070][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.461070][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.461070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.461070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.461070][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.461070][ T10] netlink_unicast+0x449/0x710 [ 1462.461070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.461070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.461070][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.461070][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.461070][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.461070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.461070][ T10] [ 1462.463070][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1462.463070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.463070][ T10] ipv6_find_idev+0x102/0x170 [ 1462.463070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.463070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.463070][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.463070][ T10] netlink_unicast+0x449/0x710 [ 1462.463070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.463070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.463070][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.463070][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.463070][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.463070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.463070][ T10] [ 1462.464611][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1462.464611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.464611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.464611][ T10] ipv6_find_idev+0x102/0x170 [ 1462.464611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.464611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.464611][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.464611][ T10] netlink_unicast+0x449/0x710 [ 1462.464611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.464611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.464611][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.464611][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.464611][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.464611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.464611][ T10] [ 1462.466376][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1462.466642][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1462.466642][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.466642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.466642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.466642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.466642][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.466642][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.466642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.466642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.466642][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.466642][ T10] netlink_unicast+0x449/0x710 [ 1462.466642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.466642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.466642][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.466642][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.466642][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.466642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.466642][ T10] [ 1462.468718][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1462.468718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.468718][ T10] ipv6_find_idev+0x102/0x170 [ 1462.468718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.468718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.468718][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.468718][ T10] netlink_unicast+0x449/0x710 [ 1462.468718][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.468718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.468718][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.468718][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.468718][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.468718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.468718][ T10] [ 1462.470501][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1462.470501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.470501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.470501][ T10] ipv6_find_idev+0x102/0x170 [ 1462.470501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.470501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.470501][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.470501][ T10] netlink_unicast+0x449/0x710 [ 1462.470501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.470501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.470501][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.470501][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.470501][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.470501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.470501][ T10] [ 1462.472405][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1462.472681][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1462.472681][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.472681][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.472681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.472681][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.472681][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.472681][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.472681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.472681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.472681][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.472681][ T10] netlink_unicast+0x449/0x710 [ 1462.472681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.472681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.472681][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.472681][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.472681][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.472681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.472681][ T10] [ 1462.474935][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1462.474935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.474935][ T10] ipv6_find_idev+0x102/0x170 [ 1462.474935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.474935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.474935][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.474935][ T10] netlink_unicast+0x449/0x710 [ 1462.474935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.474935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.474935][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.474935][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.474935][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.474935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.474935][ T10] [ 1462.476601][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1462.476601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.476601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.476601][ T10] ipv6_find_idev+0x102/0x170 [ 1462.476601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.476601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.476601][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.476601][ T10] netlink_unicast+0x449/0x710 [ 1462.476601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.476601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.476601][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.476601][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.476601][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.476601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.476601][ T10] [ 1462.478638][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1462.478963][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1462.478963][ T10] netdev_get_by_index+0x5e/0x80 [ 1462.478963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1462.478963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1462.478963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1462.478963][ T10] ipv6_add_addr+0x411/0x2000 [ 1462.478963][ T10] inet6_addr_add+0x30e/0xa40 [ 1462.478963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.478963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.478963][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.478963][ T10] netlink_unicast+0x449/0x710 [ 1462.478963][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.478963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.478963][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.478963][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.478963][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.478963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.478963][ T10] [ 1462.481205][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1462.481205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1462.481205][ T10] ipv6_find_idev+0x102/0x170 [ 1462.481205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.481205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.481205][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.481205][ T10] netlink_unicast+0x449/0x710 [ 1462.481205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.481205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.481205][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.481205][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.481205][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.481205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.481205][ T10] [ 1462.482930][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1462.482930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1462.482930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1462.482930][ T10] ipv6_find_idev+0x102/0x170 [ 1462.482930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.482930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.482930][ T10] netlink_rcv_skb+0x130/0x360 [ 1462.482930][ T10] netlink_unicast+0x449/0x710 [ 1462.482930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1462.482930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1462.482930][ T10] ___sys_sendmsg+0xee/0x170 [ 1462.482930][ T10] __sys_sendmsg+0xcd/0x170 [ 1462.482930][ T10] do_syscall_64+0xc6/0x1e0 [ 1462.482930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.482930][ T10] [ 1472.541975][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1472.542467][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1472.542467][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.542467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.542467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.542467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.542467][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.542467][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.542467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.542467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.542467][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.542467][ T10] netlink_unicast+0x449/0x710 [ 1472.542467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.542467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.542467][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.542467][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.542467][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.542467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.542467][ T10] [ 1472.544469][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1472.544469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.544469][ T10] ipv6_find_idev+0x102/0x170 [ 1472.544469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.544469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.544469][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.544469][ T10] netlink_unicast+0x449/0x710 [ 1472.544469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.544469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.544469][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.544469][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.544469][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.544469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.544469][ T10] [ 1472.546004][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1472.546004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.546004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.546004][ T10] ipv6_find_idev+0x102/0x170 [ 1472.546004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.546004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.546004][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.546004][ T10] netlink_unicast+0x449/0x710 [ 1472.546004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.546004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.546004][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.546004][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.546004][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.546004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.546004][ T10] [ 1472.547686][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1472.547969][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1472.547969][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.547969][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.547969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.547969][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.547969][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.547969][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.547969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.547969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.547969][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.547969][ T10] netlink_unicast+0x449/0x710 [ 1472.547969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.547969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.547969][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.547969][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.547969][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.547969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.547969][ T10] [ 1472.549945][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1472.549945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.549945][ T10] ipv6_find_idev+0x102/0x170 [ 1472.549945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.549945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.549945][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.549945][ T10] netlink_unicast+0x449/0x710 [ 1472.549945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.549945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.549945][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.549945][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.549945][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.549945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.549945][ T10] [ 1472.551482][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1472.551482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.551482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.551482][ T10] ipv6_find_idev+0x102/0x170 [ 1472.551482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.551482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.551482][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.551482][ T10] netlink_unicast+0x449/0x710 [ 1472.551482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.551482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.551482][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.551482][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.551482][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.551482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.551482][ T10] [ 1472.553147][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1472.553420][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1472.553420][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.553420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.553420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.553420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.553420][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.553420][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.553420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.553420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.553420][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.553420][ T10] netlink_unicast+0x449/0x710 [ 1472.553420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.553420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.553420][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.553420][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.553420][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.553420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.553420][ T10] [ 1472.555397][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1472.555397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.555397][ T10] ipv6_find_idev+0x102/0x170 [ 1472.555397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.555397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.555397][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.555397][ T10] netlink_unicast+0x449/0x710 [ 1472.555397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.555397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.555397][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.555397][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.555397][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.555397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.555397][ T10] [ 1472.556918][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1472.556918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.556918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.556918][ T10] ipv6_find_idev+0x102/0x170 [ 1472.556918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.556918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.556918][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.556918][ T10] netlink_unicast+0x449/0x710 [ 1472.556918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.556918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.556918][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.556918][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.556918][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.556918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.556918][ T10] [ 1472.558994][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1472.559257][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1472.559257][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.559257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.559257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.559257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.559257][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.559257][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.559257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.559257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.559257][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.559257][ T10] netlink_unicast+0x449/0x710 [ 1472.559257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.559257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.559257][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.559257][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.559257][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.559257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.559257][ T10] [ 1472.561229][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1472.561229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.561229][ T10] ipv6_find_idev+0x102/0x170 [ 1472.561229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.561229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.561229][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.561229][ T10] netlink_unicast+0x449/0x710 [ 1472.561229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.561229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.561229][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.561229][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.561229][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.561229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.561229][ T10] [ 1472.562747][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1472.562747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.562747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.562747][ T10] ipv6_find_idev+0x102/0x170 [ 1472.562747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.562747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.562747][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.562747][ T10] netlink_unicast+0x449/0x710 [ 1472.562747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.562747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.562747][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.562747][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.562747][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.562747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.562747][ T10] [ 1472.564451][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1472.564716][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1472.564716][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.564716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.564716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.564716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.564716][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.564716][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.564716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.564716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.564716][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.564716][ T10] netlink_unicast+0x449/0x710 [ 1472.564716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.564716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.564716][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.564716][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.564716][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.564716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.564716][ T10] [ 1472.566700][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1472.566700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.566700][ T10] ipv6_find_idev+0x102/0x170 [ 1472.566700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.566700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.566700][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.566700][ T10] netlink_unicast+0x449/0x710 [ 1472.566700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.566700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.566700][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.566700][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.566700][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.566700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.566700][ T10] [ 1472.568312][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1472.568312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.568312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.568312][ T10] ipv6_find_idev+0x102/0x170 [ 1472.568312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.568312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.568312][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.568312][ T10] netlink_unicast+0x449/0x710 [ 1472.568312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.568312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.568312][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.568312][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.568312][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.568312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.568312][ T10] [ 1472.570012][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1472.570269][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1472.570269][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.570269][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.570269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.570269][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.570269][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.570269][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.570269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.570269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.570269][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.570269][ T10] netlink_unicast+0x449/0x710 [ 1472.570269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.570269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.570269][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.570269][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.570269][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.570269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.570269][ T10] [ 1472.572364][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1472.572364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.572364][ T10] ipv6_find_idev+0x102/0x170 [ 1472.572364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.572364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.572364][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.572364][ T10] netlink_unicast+0x449/0x710 [ 1472.572364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.572364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.572364][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.572364][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.572364][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.572364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.572364][ T10] [ 1472.574119][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1472.574119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.574119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.574119][ T10] ipv6_find_idev+0x102/0x170 [ 1472.574119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.574119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.574119][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.574119][ T10] netlink_unicast+0x449/0x710 [ 1472.574119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.574119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.574119][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.574119][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.574119][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.574119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.574119][ T10] [ 1472.576007][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1472.576264][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1472.576264][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.576264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.576264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.576264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.576264][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.576264][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.576264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.576264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.576264][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.576264][ T10] netlink_unicast+0x449/0x710 [ 1472.576264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.576264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.576264][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.576264][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.576264][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.576264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.576264][ T10] [ 1472.578483][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1472.578483][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.578483][ T10] ipv6_find_idev+0x102/0x170 [ 1472.578483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.578483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.578483][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.578483][ T10] netlink_unicast+0x449/0x710 [ 1472.578483][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.578483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.578483][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.578483][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.578483][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.578483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.578483][ T10] [ 1472.580179][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1472.580179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.580179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.580179][ T10] ipv6_find_idev+0x102/0x170 [ 1472.580179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.580179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.580179][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.580179][ T10] netlink_unicast+0x449/0x710 [ 1472.580179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.580179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.580179][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.580179][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.580179][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.580179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.580179][ T10] [ 1472.582065][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1472.582323][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1472.582323][ T10] netdev_get_by_index+0x5e/0x80 [ 1472.582323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1472.582323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1472.582323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1472.582323][ T10] ipv6_add_addr+0x411/0x2000 [ 1472.582323][ T10] inet6_addr_add+0x30e/0xa40 [ 1472.582323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.582323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.582323][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.582323][ T10] netlink_unicast+0x449/0x710 [ 1472.582323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.582323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.582323][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.582323][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.582323][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.582323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.582323][ T10] [ 1472.584354][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1472.584354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1472.584354][ T10] ipv6_find_idev+0x102/0x170 [ 1472.584354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.584354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.584354][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.584354][ T10] netlink_unicast+0x449/0x710 [ 1472.584354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.584354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.584354][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.584354][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.584354][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.584354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.584354][ T10] [ 1472.585935][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1472.585935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1472.585935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1472.585935][ T10] ipv6_find_idev+0x102/0x170 [ 1472.585935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.585935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.585935][ T10] netlink_rcv_skb+0x130/0x360 [ 1472.585935][ T10] netlink_unicast+0x449/0x710 [ 1472.585935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1472.585935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1472.585935][ T10] ___sys_sendmsg+0xee/0x170 [ 1472.585935][ T10] __sys_sendmsg+0xcd/0x170 [ 1472.585935][ T10] do_syscall_64+0xc6/0x1e0 [ 1472.585935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.585935][ T10] [ 1475.877925][ T42] INFO: task modprobe:1060 blocked for more than 1228 seconds. [ 1475.878288][ T42] Not tainted 6.8.0-virtme #1 [ 1475.878500][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1475.878719][ T42] task:modprobe state:D stack:24880 pid:1060 tgid:1060 ppid:39 flags:0x00004002 [ 1475.879009][ T42] Call Trace: [ 1475.879111][ T42] [ 1475.879187][ T42] __schedule+0x705/0x1ac0 [ 1475.879327][ T42] ? __pfx___schedule+0x10/0x10 [ 1475.879460][ T42] ? schedule+0x1a5/0x210 [ 1475.879560][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.879696][ T42] ? mark_lock+0x38/0x3e0 [ 1475.879806][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1475.879943][ T42] ? schedule+0x1a5/0x210 [ 1475.880043][ T42] schedule+0xdf/0x210 [ 1475.880142][ T42] schedule_preempt_disabled+0x15/0x30 [ 1475.880271][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1475.880406][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1475.880562][ T42] ? kasan_save_stack+0x34/0x50 [ 1475.880693][ T42] ? kasan_save_stack+0x24/0x50 [ 1475.880830][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.880966][ T42] ? lock_acquire+0x1c1/0x220 [ 1475.881095][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1475.881232][ T42] down_write+0x1c9/0x200 [ 1475.881331][ T42] ? __pfx_down_write+0x10/0x10 [ 1475.881457][ T42] ? __pfx___lock_release+0x10/0x10 [ 1475.881591][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1475.881803][ T42] register_pernet_subsys+0x1a/0x50 [ 1475.881932][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1475.882115][ T42] do_one_initcall+0xc8/0x3f0 [ 1475.882246][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1475.882376][ T42] ? __create_object+0x5e/0xb0 [ 1475.882510][ T42] ? kasan_unpoison+0x27/0x60 [ 1475.882646][ T42] do_init_module+0x233/0x740 [ 1475.882807][ T42] load_module+0x16b5/0x2350 [ 1475.882952][ T42] ? __pfx_load_module+0x10/0x10 [ 1475.883080][ T42] ? kernel_read_file+0x3d2/0x520 [ 1475.883214][ T42] ? kernel_read_file+0x300/0x520 [ 1475.883347][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1475.883482][ T42] ? init_module_from_file+0xd2/0x130 [ 1475.883608][ T42] init_module_from_file+0xd2/0x130 [ 1475.883738][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1475.883907][ T42] ? __lock_release+0x103/0x460 [ 1475.884037][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.884174][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.884301][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1475.884433][ T42] idempotent_init_module+0x342/0x620 [ 1475.884565][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1475.884749][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1475.884889][ T42] do_syscall_64+0xc6/0x1e0 [ 1475.885022][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.885183][ T42] RIP: 0033:0x7ff11fe2be5d [ 1475.885315][ T42] RSP: 002b:00007ffed411b458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1475.885508][ T42] RAX: ffffffffffffffda RBX: 000055b1d8f95e60 RCX: 00007ff11fe2be5d [ 1475.885700][ T42] RDX: 0000000000000000 RSI: 000055b1a6870a2a RDI: 0000000000000000 [ 1475.885896][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055b1d8f96050 [ 1475.886084][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1a6870a2a [ 1475.886274][ T42] R13: 000055b1d8f95f80 R14: 000055b1d8f960c0 R15: 0000000000000000 [ 1475.886473][ T42] [ 1475.886570][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1475.886798][ T42] [ 1475.886798][ T42] Showing all locks held in the system: [ 1475.886981][ T42] 3 locks held by kworker/u16:0/10: [ 1475.887108][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.887365][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.887587][ T42] #2: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1475.887828][ T42] 2 locks held by kworker/u20:0/39: [ 1475.887952][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.888203][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.888483][ T42] 1 lock held by khungtaskd/42: [ 1475.888606][ T42] #0: ffffffffb7969160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1475.888845][ T42] 1 lock held by modprobe/1060: [ 1475.888969][ T42] #0: ffffffffb816bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1475.889222][ T42] [ 1475.889286][ T42] ============================================= [ 1475.889286][ T42] [ 1482.805913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1482.806397][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1482.806397][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.806397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.806397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.806397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.806397][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.806397][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.806397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.806397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.806397][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.806397][ T10] netlink_unicast+0x449/0x710 [ 1482.806397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.806397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.806397][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.806397][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.806397][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.806397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.806397][ T10] [ 1482.808408][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1482.808408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.808408][ T10] ipv6_find_idev+0x102/0x170 [ 1482.808408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.808408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.808408][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.808408][ T10] netlink_unicast+0x449/0x710 [ 1482.808408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.808408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.808408][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.808408][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.808408][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.808408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.808408][ T10] [ 1482.809931][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1482.809931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.809931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.809931][ T10] ipv6_find_idev+0x102/0x170 [ 1482.809931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.809931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.809931][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.809931][ T10] netlink_unicast+0x449/0x710 [ 1482.809931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.809931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.809931][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.809931][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.809931][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.809931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.809931][ T10] [ 1482.811605][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1482.811898][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1482.811898][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.811898][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.811898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.811898][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.811898][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.811898][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.811898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.811898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.811898][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.811898][ T10] netlink_unicast+0x449/0x710 [ 1482.811898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.811898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.811898][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.811898][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.811898][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.811898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.811898][ T10] [ 1482.813870][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1482.813870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.813870][ T10] ipv6_find_idev+0x102/0x170 [ 1482.813870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.813870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.813870][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.813870][ T10] netlink_unicast+0x449/0x710 [ 1482.813870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.813870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.813870][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.813870][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.813870][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.813870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.813870][ T10] [ 1482.815404][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1482.815404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.815404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.815404][ T10] ipv6_find_idev+0x102/0x170 [ 1482.815404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.815404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.815404][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.815404][ T10] netlink_unicast+0x449/0x710 [ 1482.815404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.815404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.815404][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.815404][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.815404][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.815404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.815404][ T10] [ 1482.817066][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1482.817329][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1482.817329][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.817329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.817329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.817329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.817329][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.817329][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.817329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.817329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.817329][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.817329][ T10] netlink_unicast+0x449/0x710 [ 1482.817329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.817329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.817329][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.817329][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.817329][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.817329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.817329][ T10] [ 1482.819423][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1482.819423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.819423][ T10] ipv6_find_idev+0x102/0x170 [ 1482.819423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.819423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.819423][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.819423][ T10] netlink_unicast+0x449/0x710 [ 1482.819423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.819423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.819423][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.819423][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.819423][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.819423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.819423][ T10] [ 1482.820944][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1482.820944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.820944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.820944][ T10] ipv6_find_idev+0x102/0x170 [ 1482.820944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.820944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.820944][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.820944][ T10] netlink_unicast+0x449/0x710 [ 1482.820944][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.820944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.820944][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.820944][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.820944][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.820944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.820944][ T10] [ 1482.822609][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1482.823309][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1482.823309][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.823309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.823309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.823309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.823309][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.823309][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.823309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.823309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.823309][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.823309][ T10] netlink_unicast+0x449/0x710 [ 1482.823309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.823309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.823309][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.823309][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.823309][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.823309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.823309][ T10] [ 1482.825289][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1482.825289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.825289][ T10] ipv6_find_idev+0x102/0x170 [ 1482.825289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.825289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.825289][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.825289][ T10] netlink_unicast+0x449/0x710 [ 1482.825289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.825289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.825289][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.825289][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.825289][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.825289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.825289][ T10] [ 1482.826804][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1482.826804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.826804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.826804][ T10] ipv6_find_idev+0x102/0x170 [ 1482.826804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.826804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.826804][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.826804][ T10] netlink_unicast+0x449/0x710 [ 1482.826804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.826804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.826804][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.826804][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.826804][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.826804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.826804][ T10] [ 1482.828502][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1482.828770][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1482.828770][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.828770][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.828770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.828770][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.828770][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.828770][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.828770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.828770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.828770][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.828770][ T10] netlink_unicast+0x449/0x710 [ 1482.828770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.828770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.828770][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.828770][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.828770][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.828770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.828770][ T10] [ 1482.830733][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1482.830733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.830733][ T10] ipv6_find_idev+0x102/0x170 [ 1482.830733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.830733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.830733][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.830733][ T10] netlink_unicast+0x449/0x710 [ 1482.830733][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.830733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.830733][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.830733][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.830733][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.830733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.830733][ T10] [ 1482.832251][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1482.832251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.832251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.832251][ T10] ipv6_find_idev+0x102/0x170 [ 1482.832251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.832251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.832251][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.832251][ T10] netlink_unicast+0x449/0x710 [ 1482.832251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.832251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.832251][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.832251][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.832251][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.832251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.832251][ T10] [ 1482.833947][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1482.834207][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1482.834207][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.834207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.834207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.834207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.834207][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.834207][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.834207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.834207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.834207][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.834207][ T10] netlink_unicast+0x449/0x710 [ 1482.834207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.834207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.834207][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.834207][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.834207][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.834207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.834207][ T10] [ 1482.836255][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1482.836255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.836255][ T10] ipv6_find_idev+0x102/0x170 [ 1482.836255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.836255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.836255][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.836255][ T10] netlink_unicast+0x449/0x710 [ 1482.836255][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.836255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.836255][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.836255][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.836255][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.836255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.836255][ T10] [ 1482.838012][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1482.838012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.838012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.838012][ T10] ipv6_find_idev+0x102/0x170 [ 1482.838012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.838012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.838012][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.838012][ T10] netlink_unicast+0x449/0x710 [ 1482.838012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.838012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.838012][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.838012][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.838012][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.838012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.838012][ T10] [ 1482.839911][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1482.840175][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1482.840175][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.840175][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.840175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.840175][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.840175][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.840175][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.840175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.840175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.840175][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.840175][ T10] netlink_unicast+0x449/0x710 [ 1482.840175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.840175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.840175][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.840175][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.840175][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.840175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.840175][ T10] [ 1482.842394][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1482.842394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.842394][ T10] ipv6_find_idev+0x102/0x170 [ 1482.842394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.842394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.842394][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.842394][ T10] netlink_unicast+0x449/0x710 [ 1482.842394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.842394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.842394][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.842394][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.842394][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.842394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.842394][ T10] [ 1482.844102][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1482.844102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.844102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.844102][ T10] ipv6_find_idev+0x102/0x170 [ 1482.844102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.844102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.844102][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.844102][ T10] netlink_unicast+0x449/0x710 [ 1482.844102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.844102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.844102][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.844102][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.844102][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.844102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.844102][ T10] [ 1482.846013][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1482.846271][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1482.846271][ T10] netdev_get_by_index+0x5e/0x80 [ 1482.846271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1482.846271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1482.846271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1482.846271][ T10] ipv6_add_addr+0x411/0x2000 [ 1482.846271][ T10] inet6_addr_add+0x30e/0xa40 [ 1482.846271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.846271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.846271][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.846271][ T10] netlink_unicast+0x449/0x710 [ 1482.846271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.846271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.846271][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.846271][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.846271][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.846271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.846271][ T10] [ 1482.848548][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1482.848548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1482.848548][ T10] ipv6_find_idev+0x102/0x170 [ 1482.848548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.848548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.848548][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.848548][ T10] netlink_unicast+0x449/0x710 [ 1482.848548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.848548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.848548][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.848548][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.848548][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.848548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.848548][ T10] [ 1482.850257][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1482.850257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1482.850257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1482.850257][ T10] ipv6_find_idev+0x102/0x170 [ 1482.850257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.850257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.850257][ T10] netlink_rcv_skb+0x130/0x360 [ 1482.850257][ T10] netlink_unicast+0x449/0x710 [ 1482.850257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1482.850257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1482.850257][ T10] ___sys_sendmsg+0xee/0x170 [ 1482.850257][ T10] __sys_sendmsg+0xcd/0x170 [ 1482.850257][ T10] do_syscall_64+0xc6/0x1e0 [ 1482.850257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.850257][ T10] [ 1492.885873][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1492.886355][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1492.886355][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.886355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.886355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.886355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.886355][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.886355][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.886355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.886355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.886355][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.886355][ T10] netlink_unicast+0x449/0x710 [ 1492.886355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.886355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.886355][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.886355][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.886355][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.886355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.886355][ T10] [ 1492.888514][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1492.888514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.888514][ T10] ipv6_find_idev+0x102/0x170 [ 1492.888514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.888514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.888514][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.888514][ T10] netlink_unicast+0x449/0x710 [ 1492.888514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.888514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.888514][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.888514][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.888514][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.888514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.888514][ T10] [ 1492.890223][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1492.890223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.890223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.890223][ T10] ipv6_find_idev+0x102/0x170 [ 1492.890223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.890223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.890223][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.890223][ T10] netlink_unicast+0x449/0x710 [ 1492.890223][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.890223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.890223][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.890223][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.890223][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.890223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.890223][ T10] [ 1492.892094][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1492.892394][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1492.892394][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.892394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.892394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.892394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.892394][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.892394][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.892394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.892394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.892394][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.892394][ T10] netlink_unicast+0x449/0x710 [ 1492.892394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.892394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.892394][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.892394][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.892394][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.892394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.892394][ T10] [ 1492.894619][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1492.894619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.894619][ T10] ipv6_find_idev+0x102/0x170 [ 1492.894619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.894619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.894619][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.894619][ T10] netlink_unicast+0x449/0x710 [ 1492.894619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.894619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.894619][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.894619][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.894619][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.894619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.894619][ T10] [ 1492.896330][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1492.896330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.896330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.896330][ T10] ipv6_find_idev+0x102/0x170 [ 1492.896330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.896330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.896330][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.896330][ T10] netlink_unicast+0x449/0x710 [ 1492.896330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.896330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.896330][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.896330][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.896330][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.896330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.896330][ T10] [ 1492.898195][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1492.898491][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1492.898491][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.898491][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.898491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.898491][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.898491][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.898491][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.898491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.898491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.898491][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.898491][ T10] netlink_unicast+0x449/0x710 [ 1492.898491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.898491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.898491][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.898491][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.898491][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.898491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.898491][ T10] [ 1492.900706][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1492.900706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.900706][ T10] ipv6_find_idev+0x102/0x170 [ 1492.900706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.900706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.900706][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.900706][ T10] netlink_unicast+0x449/0x710 [ 1492.900706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.900706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.900706][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.900706][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.900706][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.900706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.900706][ T10] [ 1492.902330][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1492.902330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.902330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.902330][ T10] ipv6_find_idev+0x102/0x170 [ 1492.902330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.902330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.902330][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.902330][ T10] netlink_unicast+0x449/0x710 [ 1492.902330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.902330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.902330][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.902330][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.902330][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.902330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.902330][ T10] [ 1492.903990][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1492.904251][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1492.904251][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.904251][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.904251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.904251][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.904251][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.904251][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.904251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.904251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.904251][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.904251][ T10] netlink_unicast+0x449/0x710 [ 1492.904251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.904251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.904251][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.904251][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.904251][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.904251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.904251][ T10] [ 1492.906247][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1492.906247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.906247][ T10] ipv6_find_idev+0x102/0x170 [ 1492.906247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.906247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.906247][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.906247][ T10] netlink_unicast+0x449/0x710 [ 1492.906247][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.906247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.906247][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.906247][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.906247][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.906247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.906247][ T10] [ 1492.907771][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1492.907771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.907771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.907771][ T10] ipv6_find_idev+0x102/0x170 [ 1492.907771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.907771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.907771][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.907771][ T10] netlink_unicast+0x449/0x710 [ 1492.907771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.907771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.907771][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.907771][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.907771][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.907771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.907771][ T10] [ 1492.909847][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1492.910107][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1492.910107][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.910107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.910107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.910107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.910107][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.910107][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.910107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.910107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.910107][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.910107][ T10] netlink_unicast+0x449/0x710 [ 1492.910107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.910107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.910107][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.910107][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.910107][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.910107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.910107][ T10] [ 1492.912079][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1492.912079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.912079][ T10] ipv6_find_idev+0x102/0x170 [ 1492.912079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.912079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.912079][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.912079][ T10] netlink_unicast+0x449/0x710 [ 1492.912079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.912079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.912079][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.912079][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.912079][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.912079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.912079][ T10] [ 1492.913601][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1492.913601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.913601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.913601][ T10] ipv6_find_idev+0x102/0x170 [ 1492.913601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.913601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.913601][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.913601][ T10] netlink_unicast+0x449/0x710 [ 1492.913601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.913601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.913601][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.913601][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.913601][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.913601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.913601][ T10] [ 1492.915307][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1492.915569][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1492.915569][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.915569][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.915569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.915569][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.915569][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.915569][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.915569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.915569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.915569][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.915569][ T10] netlink_unicast+0x449/0x710 [ 1492.915569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.915569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.915569][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.915569][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.915569][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.915569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.915569][ T10] [ 1492.917718][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1492.917718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.917718][ T10] ipv6_find_idev+0x102/0x170 [ 1492.917718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.917718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.917718][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.917718][ T10] netlink_unicast+0x449/0x710 [ 1492.917718][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.917718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.917718][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.917718][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.917718][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.917718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.917718][ T10] [ 1492.919656][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1492.919656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.919656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.919656][ T10] ipv6_find_idev+0x102/0x170 [ 1492.919656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.919656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.919656][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.919656][ T10] netlink_unicast+0x449/0x710 [ 1492.919656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.919656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.919656][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.919656][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.919656][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.919656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.919656][ T10] [ 1492.921811][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1492.922104][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1492.922104][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.922104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.922104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.922104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.922104][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.922104][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.922104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.922104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.922104][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.922104][ T10] netlink_unicast+0x449/0x710 [ 1492.922104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.922104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.922104][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.922104][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.922104][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.922104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.922104][ T10] [ 1492.924485][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1492.924485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.924485][ T10] ipv6_find_idev+0x102/0x170 [ 1492.924485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.924485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.924485][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.924485][ T10] netlink_unicast+0x449/0x710 [ 1492.924485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.924485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.924485][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.924485][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.924485][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.924485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.924485][ T10] [ 1492.926372][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1492.926372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.926372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.926372][ T10] ipv6_find_idev+0x102/0x170 [ 1492.926372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.926372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.926372][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.926372][ T10] netlink_unicast+0x449/0x710 [ 1492.926372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.926372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.926372][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.926372][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.926372][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.926372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.926372][ T10] [ 1492.928497][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1492.928788][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1492.928788][ T10] netdev_get_by_index+0x5e/0x80 [ 1492.928788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1492.928788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1492.928788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1492.928788][ T10] ipv6_add_addr+0x411/0x2000 [ 1492.928788][ T10] inet6_addr_add+0x30e/0xa40 [ 1492.928788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1492.928788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.928788][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.928788][ T10] netlink_unicast+0x449/0x710 [ 1492.928788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.928788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.928788][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.928788][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.928788][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.928788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.928788][ T10] [ 1492.931229][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1492.931229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1492.931229][ T10] ipv6_find_idev+0x102/0x170 [ 1492.931229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.931229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.931229][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.931229][ T10] netlink_unicast+0x449/0x710 [ 1492.931229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.931229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.931229][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.931229][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.931229][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.931229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.931229][ T10] [ 1492.933122][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1492.933122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1492.933122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1492.933122][ T10] ipv6_find_idev+0x102/0x170 [ 1492.933122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1492.933122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1492.933122][ T10] netlink_rcv_skb+0x130/0x360 [ 1492.933122][ T10] netlink_unicast+0x449/0x710 [ 1492.933122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1492.933122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1492.933122][ T10] ___sys_sendmsg+0xee/0x170 [ 1492.933122][ T10] __sys_sendmsg+0xcd/0x170 [ 1492.933122][ T10] do_syscall_64+0xc6/0x1e0 [ 1492.933122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1492.933122][ T10] [ 1503.189972][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1503.190409][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1503.190409][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.190409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.190409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.190409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.190409][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.190409][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.190409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.190409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.190409][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.190409][ T10] netlink_unicast+0x449/0x710 [ 1503.190409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.190409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.190409][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.190409][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.190409][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.190409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.190409][ T10] [ 1503.192459][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1503.192459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.192459][ T10] ipv6_find_idev+0x102/0x170 [ 1503.192459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.192459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.192459][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.192459][ T10] netlink_unicast+0x449/0x710 [ 1503.192459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.192459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.192459][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.192459][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.192459][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.192459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.192459][ T10] [ 1503.194000][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1503.194000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.194000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.194000][ T10] ipv6_find_idev+0x102/0x170 [ 1503.194000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.194000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.194000][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.194000][ T10] netlink_unicast+0x449/0x710 [ 1503.194000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.194000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.194000][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.194000][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.194000][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.194000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.194000][ T10] [ 1503.195701][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1503.195985][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1503.195985][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.195985][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.195985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.195985][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.195985][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.195985][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.195985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.195985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.195985][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.195985][ T10] netlink_unicast+0x449/0x710 [ 1503.195985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.195985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.195985][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.195985][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.195985][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.195985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.195985][ T10] [ 1503.197986][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1503.197986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.197986][ T10] ipv6_find_idev+0x102/0x170 [ 1503.197986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.197986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.197986][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.197986][ T10] netlink_unicast+0x449/0x710 [ 1503.197986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.197986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.197986][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.197986][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.197986][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.197986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.197986][ T10] [ 1503.199614][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1503.199614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.199614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.199614][ T10] ipv6_find_idev+0x102/0x170 [ 1503.199614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.199614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.199614][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.199614][ T10] netlink_unicast+0x449/0x710 [ 1503.199614][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.199614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.199614][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.199614][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.199614][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.199614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.199614][ T10] [ 1503.201307][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1503.201570][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1503.201570][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.201570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.201570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.201570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.201570][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.201570][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.201570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.201570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.201570][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.201570][ T10] netlink_unicast+0x449/0x710 [ 1503.201570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.201570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.201570][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.201570][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.201570][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.201570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.201570][ T10] [ 1503.203574][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1503.203574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.203574][ T10] ipv6_find_idev+0x102/0x170 [ 1503.203574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.203574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.203574][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.203574][ T10] netlink_unicast+0x449/0x710 [ 1503.203574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.203574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.203574][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.203574][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.203574][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.203574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.203574][ T10] [ 1503.205118][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1503.205118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.205118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.205118][ T10] ipv6_find_idev+0x102/0x170 [ 1503.205118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.205118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.205118][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.205118][ T10] netlink_unicast+0x449/0x710 [ 1503.205118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.205118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.205118][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.205118][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.205118][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.205118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.205118][ T10] [ 1503.206808][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1503.207073][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1503.207073][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.207073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.207073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.207073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.207073][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.207073][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.207073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.207073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.207073][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.207073][ T10] netlink_unicast+0x449/0x710 [ 1503.207073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.207073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.207073][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.207073][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.207073][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.207073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.207073][ T10] [ 1503.209073][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1503.209073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.209073][ T10] ipv6_find_idev+0x102/0x170 [ 1503.209073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.209073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.209073][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.209073][ T10] netlink_unicast+0x449/0x710 [ 1503.209073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.209073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.209073][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.209073][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.209073][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.209073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.209073][ T10] [ 1503.210619][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1503.210619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.210619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.210619][ T10] ipv6_find_idev+0x102/0x170 [ 1503.210619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.210619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.210619][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.210619][ T10] netlink_unicast+0x449/0x710 [ 1503.210619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.210619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.210619][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.210619][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.210619][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.210619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.210619][ T10] [ 1503.212698][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1503.213299][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1503.213299][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.213299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.213299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.213299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.213299][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.213299][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.213299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.213299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.213299][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.213299][ T10] netlink_unicast+0x449/0x710 [ 1503.213299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.213299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.213299][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.213299][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.213299][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.213299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.213299][ T10] [ 1503.215293][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1503.215293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.215293][ T10] ipv6_find_idev+0x102/0x170 [ 1503.215293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.215293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.215293][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.215293][ T10] netlink_unicast+0x449/0x710 [ 1503.215293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.215293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.215293][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.215293][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.215293][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.215293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.215293][ T10] [ 1503.216839][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1503.216839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.216839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.216839][ T10] ipv6_find_idev+0x102/0x170 [ 1503.216839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.216839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.216839][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.216839][ T10] netlink_unicast+0x449/0x710 [ 1503.216839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.216839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.216839][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.216839][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.216839][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.216839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.216839][ T10] [ 1503.218517][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1503.218788][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1503.218788][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.218788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.218788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.218788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.218788][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.218788][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.218788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.218788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.218788][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.218788][ T10] netlink_unicast+0x449/0x710 [ 1503.218788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.218788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.218788][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.218788][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.218788][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.218788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.218788][ T10] [ 1503.220787][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1503.220787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.220787][ T10] ipv6_find_idev+0x102/0x170 [ 1503.220787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.220787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.220787][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.220787][ T10] netlink_unicast+0x449/0x710 [ 1503.220787][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.220787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.220787][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.220787][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.220787][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.220787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.220787][ T10] [ 1503.222391][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1503.222391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.222391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.222391][ T10] ipv6_find_idev+0x102/0x170 [ 1503.222391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.222391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.222391][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.222391][ T10] netlink_unicast+0x449/0x710 [ 1503.222391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.222391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.222391][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.222391][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.222391][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.222391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.222391][ T10] [ 1503.224368][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1503.224646][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1503.224646][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.224646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.224646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.224646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.224646][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.224646][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.224646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.224646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.224646][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.224646][ T10] netlink_unicast+0x449/0x710 [ 1503.224646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.224646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.224646][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.224646][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.224646][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.224646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.224646][ T10] [ 1503.226897][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1503.226897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.226897][ T10] ipv6_find_idev+0x102/0x170 [ 1503.226897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.226897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.226897][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.226897][ T10] netlink_unicast+0x449/0x710 [ 1503.226897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.226897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.226897][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.226897][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.226897][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.226897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.226897][ T10] [ 1503.228616][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1503.228616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.228616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.228616][ T10] ipv6_find_idev+0x102/0x170 [ 1503.228616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.228616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.228616][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.228616][ T10] netlink_unicast+0x449/0x710 [ 1503.228616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.228616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.228616][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.228616][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.228616][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.228616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.228616][ T10] [ 1503.230520][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1503.230788][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1503.230788][ T10] netdev_get_by_index+0x5e/0x80 [ 1503.230788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1503.230788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1503.230788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1503.230788][ T10] ipv6_add_addr+0x411/0x2000 [ 1503.230788][ T10] inet6_addr_add+0x30e/0xa40 [ 1503.230788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.230788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.230788][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.230788][ T10] netlink_unicast+0x449/0x710 [ 1503.230788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.230788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.230788][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.230788][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.230788][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.230788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.230788][ T10] [ 1503.233037][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1503.233037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1503.233037][ T10] ipv6_find_idev+0x102/0x170 [ 1503.233037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.233037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.233037][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.233037][ T10] netlink_unicast+0x449/0x710 [ 1503.233037][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.233037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.233037][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.233037][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.233037][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.233037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.233037][ T10] [ 1503.234825][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1503.234825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1503.234825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1503.234825][ T10] ipv6_find_idev+0x102/0x170 [ 1503.234825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.234825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.234825][ T10] netlink_rcv_skb+0x130/0x360 [ 1503.234825][ T10] netlink_unicast+0x449/0x710 [ 1503.234825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1503.234825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1503.234825][ T10] ___sys_sendmsg+0xee/0x170 [ 1503.234825][ T10] __sys_sendmsg+0xcd/0x170 [ 1503.234825][ T10] do_syscall_64+0xc6/0x1e0 [ 1503.234825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.234825][ T10] [ 1513.485881][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1513.486415][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1513.486415][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.486415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.486415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.486415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.486415][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.486415][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.486415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.486415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.486415][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.486415][ T10] netlink_unicast+0x449/0x710 [ 1513.486415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.486415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.486415][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.486415][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.486415][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.486415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.486415][ T10] [ 1513.488462][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1513.488462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.488462][ T10] ipv6_find_idev+0x102/0x170 [ 1513.488462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.488462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.488462][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.488462][ T10] netlink_unicast+0x449/0x710 [ 1513.488462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.488462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.488462][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.488462][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.488462][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.488462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.488462][ T10] [ 1513.490009][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1513.490009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.490009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.490009][ T10] ipv6_find_idev+0x102/0x170 [ 1513.490009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.490009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.490009][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.490009][ T10] netlink_unicast+0x449/0x710 [ 1513.490009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.490009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.490009][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.490009][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.490009][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.490009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.490009][ T10] [ 1513.491724][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1513.492018][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1513.492018][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.492018][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.492018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.492018][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.492018][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.492018][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.492018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.492018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.492018][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.492018][ T10] netlink_unicast+0x449/0x710 [ 1513.492018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.492018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.492018][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.492018][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.492018][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.492018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.492018][ T10] [ 1513.494023][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1513.494023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.494023][ T10] ipv6_find_idev+0x102/0x170 [ 1513.494023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.494023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.494023][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.494023][ T10] netlink_unicast+0x449/0x710 [ 1513.494023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.494023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.494023][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.494023][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.494023][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.494023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.494023][ T10] [ 1513.495578][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1513.495578][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.495578][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.495578][ T10] ipv6_find_idev+0x102/0x170 [ 1513.495578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.495578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.495578][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.495578][ T10] netlink_unicast+0x449/0x710 [ 1513.495578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.495578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.495578][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.495578][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.495578][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.495578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.495578][ T10] [ 1513.497810][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1513.498078][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1513.498078][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.498078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.498078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.498078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.498078][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.498078][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.498078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.498078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.498078][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.498078][ T10] netlink_unicast+0x449/0x710 [ 1513.498078][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.498078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.498078][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.498078][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.498078][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.498078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.498078][ T10] [ 1513.500081][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1513.500081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.500081][ T10] ipv6_find_idev+0x102/0x170 [ 1513.500081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.500081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.500081][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.500081][ T10] netlink_unicast+0x449/0x710 [ 1513.500081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.500081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.500081][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.500081][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.500081][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.500081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.500081][ T10] [ 1513.501626][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1513.501626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.501626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.501626][ T10] ipv6_find_idev+0x102/0x170 [ 1513.501626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.501626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.501626][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.501626][ T10] netlink_unicast+0x449/0x710 [ 1513.501626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.501626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.501626][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.501626][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.501626][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.501626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.501626][ T10] [ 1513.503314][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1513.503581][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1513.503581][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.503581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.503581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.503581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.503581][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.503581][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.503581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.503581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.503581][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.503581][ T10] netlink_unicast+0x449/0x710 [ 1513.503581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.503581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.503581][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.503581][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.503581][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.503581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.503581][ T10] [ 1513.505592][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1513.505592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.505592][ T10] ipv6_find_idev+0x102/0x170 [ 1513.505592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.505592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.505592][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.505592][ T10] netlink_unicast+0x449/0x710 [ 1513.505592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.505592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.505592][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.505592][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.505592][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.505592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.505592][ T10] [ 1513.507137][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1513.507137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.507137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.507137][ T10] ipv6_find_idev+0x102/0x170 [ 1513.507137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.507137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.507137][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.507137][ T10] netlink_unicast+0x449/0x710 [ 1513.507137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.507137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.507137][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.507137][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.507137][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.507137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.507137][ T10] [ 1513.509233][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1513.509836][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1513.509836][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.509836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.509836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.509836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.509836][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.509836][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.509836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.509836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.509836][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.509836][ T10] netlink_unicast+0x449/0x710 [ 1513.509836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.509836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.509836][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.509836][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.509836][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.509836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.509836][ T10] [ 1513.511845][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1513.511845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.511845][ T10] ipv6_find_idev+0x102/0x170 [ 1513.511845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.511845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.511845][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.511845][ T10] netlink_unicast+0x449/0x710 [ 1513.511845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.511845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.511845][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.511845][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.511845][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.511845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.511845][ T10] [ 1513.513769][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1513.513769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.513769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.513769][ T10] ipv6_find_idev+0x102/0x170 [ 1513.513769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.513769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.513769][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.513769][ T10] netlink_unicast+0x449/0x710 [ 1513.513769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.513769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.513769][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.513769][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.513769][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.513769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.513769][ T10] [ 1513.515465][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1513.515736][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1513.515736][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.515736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.515736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.515736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.515736][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.515736][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.515736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.515736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.515736][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.515736][ T10] netlink_unicast+0x449/0x710 [ 1513.515736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.515736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.515736][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.515736][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.515736][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.515736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.515736][ T10] [ 1513.517746][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1513.517746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.517746][ T10] ipv6_find_idev+0x102/0x170 [ 1513.517746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.517746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.517746][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.517746][ T10] netlink_unicast+0x449/0x710 [ 1513.517746][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.517746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.517746][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.517746][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.517746][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.517746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.517746][ T10] [ 1513.519360][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1513.519360][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.519360][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.519360][ T10] ipv6_find_idev+0x102/0x170 [ 1513.519360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.519360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.519360][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.519360][ T10] netlink_unicast+0x449/0x710 [ 1513.519360][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.519360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.519360][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.519360][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.519360][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.519360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.519360][ T10] [ 1513.521224][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1513.521535][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1513.521535][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.521535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.521535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.521535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.521535][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.521535][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.521535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.521535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.521535][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.521535][ T10] netlink_unicast+0x449/0x710 [ 1513.521535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.521535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.521535][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.521535][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.521535][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.521535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.521535][ T10] [ 1513.523662][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1513.523662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.523662][ T10] ipv6_find_idev+0x102/0x170 [ 1513.523662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.523662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.523662][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.523662][ T10] netlink_unicast+0x449/0x710 [ 1513.523662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.523662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.523662][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.523662][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.523662][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.523662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.523662][ T10] [ 1513.525267][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1513.525267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.525267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.525267][ T10] ipv6_find_idev+0x102/0x170 [ 1513.525267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.525267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.525267][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.525267][ T10] netlink_unicast+0x449/0x710 [ 1513.525267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.525267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.525267][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.525267][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.525267][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.525267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.525267][ T10] [ 1513.527108][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1513.527418][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1513.527418][ T10] netdev_get_by_index+0x5e/0x80 [ 1513.527418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1513.527418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1513.527418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1513.527418][ T10] ipv6_add_addr+0x411/0x2000 [ 1513.527418][ T10] inet6_addr_add+0x30e/0xa40 [ 1513.527418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.527418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.527418][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.527418][ T10] netlink_unicast+0x449/0x710 [ 1513.527418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.527418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.527418][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.527418][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.527418][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.527418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.527418][ T10] [ 1513.529473][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1513.529473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1513.529473][ T10] ipv6_find_idev+0x102/0x170 [ 1513.529473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.529473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.529473][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.529473][ T10] netlink_unicast+0x449/0x710 [ 1513.529473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.529473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.529473][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.529473][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.529473][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.529473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.529473][ T10] [ 1513.531145][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1513.531145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1513.531145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1513.531145][ T10] ipv6_find_idev+0x102/0x170 [ 1513.531145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.531145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.531145][ T10] netlink_rcv_skb+0x130/0x360 [ 1513.531145][ T10] netlink_unicast+0x449/0x710 [ 1513.531145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1513.531145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1513.531145][ T10] ___sys_sendmsg+0xee/0x170 [ 1513.531145][ T10] __sys_sendmsg+0xcd/0x170 [ 1513.531145][ T10] do_syscall_64+0xc6/0x1e0 [ 1513.531145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.531145][ T10] [ 1523.781919][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1523.782427][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1523.782427][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.782427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.782427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.782427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.782427][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.782427][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.782427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.782427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.782427][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.782427][ T10] netlink_unicast+0x449/0x710 [ 1523.782427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.782427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.782427][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.782427][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.782427][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.782427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.782427][ T10] [ 1523.784468][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1523.784468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.784468][ T10] ipv6_find_idev+0x102/0x170 [ 1523.784468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.784468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.784468][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.784468][ T10] netlink_unicast+0x449/0x710 [ 1523.784468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.784468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.784468][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.784468][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.784468][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.784468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.784468][ T10] [ 1523.786042][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1523.786042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.786042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.786042][ T10] ipv6_find_idev+0x102/0x170 [ 1523.786042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.786042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.786042][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.786042][ T10] netlink_unicast+0x449/0x710 [ 1523.786042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.786042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.786042][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.786042][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.786042][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.786042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.786042][ T10] [ 1523.788151][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1523.788430][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1523.788430][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.788430][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.788430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.788430][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.788430][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.788430][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.788430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.788430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.788430][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.788430][ T10] netlink_unicast+0x449/0x710 [ 1523.788430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.788430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.788430][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.788430][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.788430][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.788430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.788430][ T10] [ 1523.790438][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1523.790438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.790438][ T10] ipv6_find_idev+0x102/0x170 [ 1523.790438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.790438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.790438][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.790438][ T10] netlink_unicast+0x449/0x710 [ 1523.790438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.790438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.790438][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.790438][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.790438][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.790438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.790438][ T10] [ 1523.791983][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1523.791983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.791983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.791983][ T10] ipv6_find_idev+0x102/0x170 [ 1523.791983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.791983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.791983][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.791983][ T10] netlink_unicast+0x449/0x710 [ 1523.791983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.791983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.791983][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.791983][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.791983][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.791983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.791983][ T10] [ 1523.793681][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1523.793969][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1523.793969][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.793969][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.793969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.793969][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.793969][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.793969][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.793969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.793969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.793969][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.793969][ T10] netlink_unicast+0x449/0x710 [ 1523.793969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.793969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.793969][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.793969][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.793969][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.793969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.793969][ T10] [ 1523.795976][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1523.795976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.795976][ T10] ipv6_find_idev+0x102/0x170 [ 1523.795976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.795976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.795976][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.795976][ T10] netlink_unicast+0x449/0x710 [ 1523.795976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.795976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.795976][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.795976][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.795976][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.795976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.795976][ T10] [ 1523.797520][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1523.797520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.797520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.797520][ T10] ipv6_find_idev+0x102/0x170 [ 1523.797520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.797520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.797520][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.797520][ T10] netlink_unicast+0x449/0x710 [ 1523.797520][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.797520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.797520][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.797520][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.797520][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.797520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.797520][ T10] [ 1523.799230][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1523.799497][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1523.799497][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.799497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.799497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.799497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.799497][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.799497][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.799497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.799497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.799497][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.799497][ T10] netlink_unicast+0x449/0x710 [ 1523.799497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.799497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.799497][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.799497][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.799497][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.799497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.799497][ T10] [ 1523.801502][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1523.801502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.801502][ T10] ipv6_find_idev+0x102/0x170 [ 1523.801502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.801502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.801502][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.801502][ T10] netlink_unicast+0x449/0x710 [ 1523.801502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.801502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.801502][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.801502][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.801502][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.801502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.801502][ T10] [ 1523.803051][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1523.803051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.803051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.803051][ T10] ipv6_find_idev+0x102/0x170 [ 1523.803051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.803051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.803051][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.803051][ T10] netlink_unicast+0x449/0x710 [ 1523.803051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.803051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.803051][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.803051][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.803051][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.803051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.803051][ T10] [ 1523.805160][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1523.805749][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1523.805749][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.805749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.805749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.805749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.805749][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.805749][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.805749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.805749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.805749][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.805749][ T10] netlink_unicast+0x449/0x710 [ 1523.805749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.805749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.805749][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.805749][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.805749][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.805749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.805749][ T10] [ 1523.807750][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1523.807750][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.807750][ T10] ipv6_find_idev+0x102/0x170 [ 1523.807750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.807750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.807750][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.807750][ T10] netlink_unicast+0x449/0x710 [ 1523.807750][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.807750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.807750][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.807750][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.807750][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.807750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.807750][ T10] [ 1523.809296][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1523.809296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.809296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.809296][ T10] ipv6_find_idev+0x102/0x170 [ 1523.809296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.809296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.809296][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.809296][ T10] netlink_unicast+0x449/0x710 [ 1523.809296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.809296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.809296][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.809296][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.809296][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.809296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.809296][ T10] [ 1523.810984][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1523.811248][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1523.811248][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.811248][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.811248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.811248][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.811248][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.811248][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.811248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.811248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.811248][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.811248][ T10] netlink_unicast+0x449/0x710 [ 1523.811248][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.811248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.811248][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.811248][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.811248][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.811248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.811248][ T10] [ 1523.813269][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1523.813269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.813269][ T10] ipv6_find_idev+0x102/0x170 [ 1523.813269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.813269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.813269][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.813269][ T10] netlink_unicast+0x449/0x710 [ 1523.813269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.813269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.813269][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.813269][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.813269][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.813269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.813269][ T10] [ 1523.814878][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1523.814878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.814878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.814878][ T10] ipv6_find_idev+0x102/0x170 [ 1523.814878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.814878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.814878][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.814878][ T10] netlink_unicast+0x449/0x710 [ 1523.814878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.814878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.814878][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.814878][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.814878][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.814878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.814878][ T10] [ 1523.816845][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1523.817156][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1523.817156][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.817156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.817156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.817156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.817156][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.817156][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.817156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.817156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.817156][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.817156][ T10] netlink_unicast+0x449/0x710 [ 1523.817156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.817156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.817156][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.817156][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.817156][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.817156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.817156][ T10] [ 1523.819334][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1523.819334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.819334][ T10] ipv6_find_idev+0x102/0x170 [ 1523.819334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.819334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.819334][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.819334][ T10] netlink_unicast+0x449/0x710 [ 1523.819334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.819334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.819334][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.819334][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.819334][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.819334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.819334][ T10] [ 1523.821054][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1523.821054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.821054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.821054][ T10] ipv6_find_idev+0x102/0x170 [ 1523.821054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.821054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.821054][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.821054][ T10] netlink_unicast+0x449/0x710 [ 1523.821054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.821054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.821054][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.821054][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.821054][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.821054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.821054][ T10] [ 1523.822955][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1523.823268][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1523.823268][ T10] netdev_get_by_index+0x5e/0x80 [ 1523.823268][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1523.823268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1523.823268][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1523.823268][ T10] ipv6_add_addr+0x411/0x2000 [ 1523.823268][ T10] inet6_addr_add+0x30e/0xa40 [ 1523.823268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.823268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.823268][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.823268][ T10] netlink_unicast+0x449/0x710 [ 1523.823268][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.823268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.823268][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.823268][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.823268][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.823268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.823268][ T10] [ 1523.825453][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1523.825453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1523.825453][ T10] ipv6_find_idev+0x102/0x170 [ 1523.825453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.825453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.825453][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.825453][ T10] netlink_unicast+0x449/0x710 [ 1523.825453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.825453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.825453][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.825453][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.825453][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.825453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.825453][ T10] [ 1523.827197][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1523.827197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1523.827197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1523.827197][ T10] ipv6_find_idev+0x102/0x170 [ 1523.827197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.827197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.827197][ T10] netlink_rcv_skb+0x130/0x360 [ 1523.827197][ T10] netlink_unicast+0x449/0x710 [ 1523.827197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1523.827197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1523.827197][ T10] ___sys_sendmsg+0xee/0x170 [ 1523.827197][ T10] __sys_sendmsg+0xcd/0x170 [ 1523.827197][ T10] do_syscall_64+0xc6/0x1e0 [ 1523.827197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.827197][ T10] [ 1534.077891][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1534.078387][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1534.078387][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.078387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.078387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.078387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.078387][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.078387][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.078387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.078387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.078387][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.078387][ T10] netlink_unicast+0x449/0x710 [ 1534.078387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.078387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.078387][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.078387][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.078387][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.078387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.078387][ T10] [ 1534.080408][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1534.080408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.080408][ T10] ipv6_find_idev+0x102/0x170 [ 1534.080408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.080408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.080408][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.080408][ T10] netlink_unicast+0x449/0x710 [ 1534.080408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.080408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.080408][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.080408][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.080408][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.080408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.080408][ T10] [ 1534.081955][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1534.081955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.081955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.081955][ T10] ipv6_find_idev+0x102/0x170 [ 1534.081955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.081955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.081955][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.081955][ T10] netlink_unicast+0x449/0x710 [ 1534.081955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.081955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.081955][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.081955][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.081955][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.081955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.081955][ T10] [ 1534.084093][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1534.084373][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1534.084373][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.084373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.084373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.084373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.084373][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.084373][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.084373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.084373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.084373][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.084373][ T10] netlink_unicast+0x449/0x710 [ 1534.084373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.084373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.084373][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.084373][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.084373][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.084373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.084373][ T10] [ 1534.086391][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1534.086391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.086391][ T10] ipv6_find_idev+0x102/0x170 [ 1534.086391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.086391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.086391][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.086391][ T10] netlink_unicast+0x449/0x710 [ 1534.086391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.086391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.086391][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.086391][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.086391][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.086391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.086391][ T10] [ 1534.087941][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1534.087941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.087941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.087941][ T10] ipv6_find_idev+0x102/0x170 [ 1534.087941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.087941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.087941][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.087941][ T10] netlink_unicast+0x449/0x710 [ 1534.087941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.087941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.087941][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.087941][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.087941][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.087941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.087941][ T10] [ 1534.089641][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1534.089929][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1534.089929][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.089929][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.089929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.089929][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.089929][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.089929][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.089929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.089929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.089929][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.089929][ T10] netlink_unicast+0x449/0x710 [ 1534.089929][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.089929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.089929][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.089929][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.089929][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.089929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.089929][ T10] [ 1534.091943][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1534.091943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.091943][ T10] ipv6_find_idev+0x102/0x170 [ 1534.091943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.091943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.091943][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.091943][ T10] netlink_unicast+0x449/0x710 [ 1534.091943][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.091943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.091943][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.091943][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.091943][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.091943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.091943][ T10] [ 1534.093488][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1534.093488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.093488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.093488][ T10] ipv6_find_idev+0x102/0x170 [ 1534.093488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.093488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.093488][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.093488][ T10] netlink_unicast+0x449/0x710 [ 1534.093488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.093488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.093488][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.093488][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.093488][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.093488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.093488][ T10] [ 1534.095183][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1534.095452][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1534.095452][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.095452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.095452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.095452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.095452][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.095452][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.095452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.095452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.095452][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.095452][ T10] netlink_unicast+0x449/0x710 [ 1534.095452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.095452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.095452][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.095452][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.095452][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.095452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.095452][ T10] [ 1534.097466][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1534.097466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.097466][ T10] ipv6_find_idev+0x102/0x170 [ 1534.097466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.097466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.097466][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.097466][ T10] netlink_unicast+0x449/0x710 [ 1534.097466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.097466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.097466][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.097466][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.097466][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.097466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.097466][ T10] [ 1534.099025][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1534.099025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.099025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.099025][ T10] ipv6_find_idev+0x102/0x170 [ 1534.099025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.099025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.099025][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.099025][ T10] netlink_unicast+0x449/0x710 [ 1534.099025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.099025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.099025][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.099025][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.099025][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.099025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.099025][ T10] [ 1534.101137][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1534.101412][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1534.101412][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.101412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.101412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.101412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.101412][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.101412][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.101412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.101412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.101412][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.101412][ T10] netlink_unicast+0x449/0x710 [ 1534.101412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.101412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.101412][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.101412][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.101412][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.101412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.101412][ T10] [ 1534.103423][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1534.103423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.103423][ T10] ipv6_find_idev+0x102/0x170 [ 1534.103423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.103423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.103423][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.103423][ T10] netlink_unicast+0x449/0x710 [ 1534.103423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.103423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.103423][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.103423][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.103423][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.103423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.103423][ T10] [ 1534.105077][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1534.105077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.105077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.105077][ T10] ipv6_find_idev+0x102/0x170 [ 1534.105077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.105077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.105077][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.105077][ T10] netlink_unicast+0x449/0x710 [ 1534.105077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.105077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.105077][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.105077][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.105077][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.105077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.105077][ T10] [ 1534.106817][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1534.107081][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1534.107081][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.107081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.107081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.107081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.107081][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.107081][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.107081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.107081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.107081][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.107081][ T10] netlink_unicast+0x449/0x710 [ 1534.107081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.107081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.107081][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.107081][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.107081][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.107081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.107081][ T10] [ 1534.109227][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1534.109227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.109227][ T10] ipv6_find_idev+0x102/0x170 [ 1534.109227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.109227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.109227][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.109227][ T10] netlink_unicast+0x449/0x710 [ 1534.109227][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.109227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.109227][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.109227][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.109227][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.109227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.109227][ T10] [ 1534.111007][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1534.111007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.111007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.111007][ T10] ipv6_find_idev+0x102/0x170 [ 1534.111007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.111007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.111007][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.111007][ T10] netlink_unicast+0x449/0x710 [ 1534.111007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.111007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.111007][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.111007][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.111007][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.111007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.111007][ T10] [ 1534.112914][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1534.113179][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1534.113179][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.113179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.113179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.113179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.113179][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.113179][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.113179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.113179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.113179][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.113179][ T10] netlink_unicast+0x449/0x710 [ 1534.113179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.113179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.113179][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.113179][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.113179][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.113179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.113179][ T10] [ 1534.115426][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1534.115426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.115426][ T10] ipv6_find_idev+0x102/0x170 [ 1534.115426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.115426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.115426][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.115426][ T10] netlink_unicast+0x449/0x710 [ 1534.115426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.115426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.115426][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.115426][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.115426][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.115426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.115426][ T10] [ 1534.117666][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1534.117666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.117666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.117666][ T10] ipv6_find_idev+0x102/0x170 [ 1534.117666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.117666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.117666][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.117666][ T10] netlink_unicast+0x449/0x710 [ 1534.117666][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.117666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.117666][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.117666][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.117666][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.117666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.117666][ T10] [ 1534.119586][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1534.119911][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1534.119911][ T10] netdev_get_by_index+0x5e/0x80 [ 1534.119911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1534.119911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1534.119911][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1534.119911][ T10] ipv6_add_addr+0x411/0x2000 [ 1534.119911][ T10] inet6_addr_add+0x30e/0xa40 [ 1534.119911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.119911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.119911][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.119911][ T10] netlink_unicast+0x449/0x710 [ 1534.119911][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.119911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.119911][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.119911][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.119911][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.119911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.119911][ T10] [ 1534.122165][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1534.122165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1534.122165][ T10] ipv6_find_idev+0x102/0x170 [ 1534.122165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.122165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.122165][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.122165][ T10] netlink_unicast+0x449/0x710 [ 1534.122165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.122165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.122165][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.122165][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.122165][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.122165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.122165][ T10] [ 1534.123887][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1534.123887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1534.123887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1534.123887][ T10] ipv6_find_idev+0x102/0x170 [ 1534.123887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.123887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.123887][ T10] netlink_rcv_skb+0x130/0x360 [ 1534.123887][ T10] netlink_unicast+0x449/0x710 [ 1534.123887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1534.123887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1534.123887][ T10] ___sys_sendmsg+0xee/0x170 [ 1534.123887][ T10] __sys_sendmsg+0xcd/0x170 [ 1534.123887][ T10] do_syscall_64+0xc6/0x1e0 [ 1534.123887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.123887][ T10] [ 1544.381875][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1544.382395][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1544.382395][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.382395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.382395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.382395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.382395][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.382395][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.382395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.382395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.382395][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.382395][ T10] netlink_unicast+0x449/0x710 [ 1544.382395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.382395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.382395][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.382395][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.382395][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.382395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.382395][ T10] [ 1544.384430][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1544.384430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.384430][ T10] ipv6_find_idev+0x102/0x170 [ 1544.384430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.384430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.384430][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.384430][ T10] netlink_unicast+0x449/0x710 [ 1544.384430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.384430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.384430][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.384430][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.384430][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.384430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.384430][ T10] [ 1544.385976][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1544.385976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.385976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.385976][ T10] ipv6_find_idev+0x102/0x170 [ 1544.385976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.385976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.385976][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.385976][ T10] netlink_unicast+0x449/0x710 [ 1544.385976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.385976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.385976][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.385976][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.385976][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.385976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.385976][ T10] [ 1544.387695][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1544.387982][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1544.387982][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.387982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.387982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.387982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.387982][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.387982][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.387982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.387982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.387982][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.387982][ T10] netlink_unicast+0x449/0x710 [ 1544.387982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.387982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.387982][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.387982][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.387982][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.387982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.387982][ T10] [ 1544.389976][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1544.389976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.389976][ T10] ipv6_find_idev+0x102/0x170 [ 1544.389976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.389976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.389976][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.389976][ T10] netlink_unicast+0x449/0x710 [ 1544.389976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.389976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.389976][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.389976][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.389976][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.389976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.389976][ T10] [ 1544.391532][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1544.391532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.391532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.391532][ T10] ipv6_find_idev+0x102/0x170 [ 1544.391532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.391532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.391532][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.391532][ T10] netlink_unicast+0x449/0x710 [ 1544.391532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.391532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.391532][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.391532][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.391532][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.391532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.391532][ T10] [ 1544.393225][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1544.393490][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1544.393490][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.393490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.393490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.393490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.393490][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.393490][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.393490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.393490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.393490][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.393490][ T10] netlink_unicast+0x449/0x710 [ 1544.393490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.393490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.393490][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.393490][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.393490][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.393490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.393490][ T10] [ 1544.395496][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1544.395496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.395496][ T10] ipv6_find_idev+0x102/0x170 [ 1544.395496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.395496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.395496][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.395496][ T10] netlink_unicast+0x449/0x710 [ 1544.395496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.395496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.395496][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.395496][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.395496][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.395496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.395496][ T10] [ 1544.397033][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1544.397033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.397033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.397033][ T10] ipv6_find_idev+0x102/0x170 [ 1544.397033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.397033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.397033][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.397033][ T10] netlink_unicast+0x449/0x710 [ 1544.397033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.397033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.397033][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.397033][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.397033][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.397033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.397033][ T10] [ 1544.398716][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1544.399411][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1544.399411][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.399411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.399411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.399411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.399411][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.399411][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.399411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.399411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.399411][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.399411][ T10] netlink_unicast+0x449/0x710 [ 1544.399411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.399411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.399411][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.399411][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.399411][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.399411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.399411][ T10] [ 1544.401407][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1544.401407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.401407][ T10] ipv6_find_idev+0x102/0x170 [ 1544.401407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.401407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.401407][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.401407][ T10] netlink_unicast+0x449/0x710 [ 1544.401407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.401407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.401407][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.401407][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.401407][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.401407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.401407][ T10] [ 1544.402946][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1544.402946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.402946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.402946][ T10] ipv6_find_idev+0x102/0x170 [ 1544.402946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.402946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.402946][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.402946][ T10] netlink_unicast+0x449/0x710 [ 1544.402946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.402946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.402946][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.402946][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.402946][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.402946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.402946][ T10] [ 1544.404683][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1544.404999][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1544.404999][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.404999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.404999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.404999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.404999][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.404999][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.404999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.404999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.404999][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.404999][ T10] netlink_unicast+0x449/0x710 [ 1544.404999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.404999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.404999][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.404999][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.404999][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.404999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.404999][ T10] [ 1544.407005][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1544.407005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.407005][ T10] ipv6_find_idev+0x102/0x170 [ 1544.407005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.407005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.407005][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.407005][ T10] netlink_unicast+0x449/0x710 [ 1544.407005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.407005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.407005][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.407005][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.407005][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.407005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.407005][ T10] [ 1544.408552][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1544.408552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.408552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.408552][ T10] ipv6_find_idev+0x102/0x170 [ 1544.408552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.408552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.408552][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.408552][ T10] netlink_unicast+0x449/0x710 [ 1544.408552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.408552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.408552][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.408552][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.408552][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.408552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.408552][ T10] [ 1544.410279][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1544.410590][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1544.410590][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.410590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.410590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.410590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.410590][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.410590][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.410590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.410590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.410590][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.410590][ T10] netlink_unicast+0x449/0x710 [ 1544.410590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.410590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.410590][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.410590][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.410590][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.410590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.410590][ T10] [ 1544.412668][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1544.412668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.412668][ T10] ipv6_find_idev+0x102/0x170 [ 1544.412668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.412668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.412668][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.412668][ T10] netlink_unicast+0x449/0x710 [ 1544.412668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.412668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.412668][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.412668][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.412668][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.412668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.412668][ T10] [ 1544.414399][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1544.414399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.414399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.414399][ T10] ipv6_find_idev+0x102/0x170 [ 1544.414399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.414399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.414399][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.414399][ T10] netlink_unicast+0x449/0x710 [ 1544.414399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.414399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.414399][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.414399][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.414399][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.414399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.414399][ T10] [ 1544.416371][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1544.416697][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1544.416697][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.416697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.416697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.416697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.416697][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.416697][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.416697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.416697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.416697][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.416697][ T10] netlink_unicast+0x449/0x710 [ 1544.416697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.416697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.416697][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.416697][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.416697][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.416697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.416697][ T10] [ 1544.418879][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1544.418879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.418879][ T10] ipv6_find_idev+0x102/0x170 [ 1544.418879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.418879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.418879][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.418879][ T10] netlink_unicast+0x449/0x710 [ 1544.418879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.418879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.418879][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.418879][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.418879][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.418879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.418879][ T10] [ 1544.420606][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1544.420606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.420606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.420606][ T10] ipv6_find_idev+0x102/0x170 [ 1544.420606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.420606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.420606][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.420606][ T10] netlink_unicast+0x449/0x710 [ 1544.420606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.420606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.420606][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.420606][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.420606][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.420606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.420606][ T10] [ 1544.422588][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1544.422912][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1544.422912][ T10] netdev_get_by_index+0x5e/0x80 [ 1544.422912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1544.422912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1544.422912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1544.422912][ T10] ipv6_add_addr+0x411/0x2000 [ 1544.422912][ T10] inet6_addr_add+0x30e/0xa40 [ 1544.422912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.422912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.422912][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.422912][ T10] netlink_unicast+0x449/0x710 [ 1544.422912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.422912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.422912][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.422912][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.422912][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.422912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.422912][ T10] [ 1544.425100][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1544.425100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1544.425100][ T10] ipv6_find_idev+0x102/0x170 [ 1544.425100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.425100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.425100][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.425100][ T10] netlink_unicast+0x449/0x710 [ 1544.425100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.425100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.425100][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.425100][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.425100][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.425100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.425100][ T10] [ 1544.426824][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1544.426824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1544.426824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1544.426824][ T10] ipv6_find_idev+0x102/0x170 [ 1544.426824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.426824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.426824][ T10] netlink_rcv_skb+0x130/0x360 [ 1544.426824][ T10] netlink_unicast+0x449/0x710 [ 1544.426824][ T10] netlink_sendmsg+0x723/0xbe0 [ 1544.426824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1544.426824][ T10] ___sys_sendmsg+0xee/0x170 [ 1544.426824][ T10] __sys_sendmsg+0xcd/0x170 [ 1544.426824][ T10] do_syscall_64+0xc6/0x1e0 [ 1544.426824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.426824][ T10] [ 1554.429811][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1554.430310][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1554.430310][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.430310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.430310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.430310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.430310][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.430310][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.430310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.430310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.430310][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.430310][ T10] netlink_unicast+0x449/0x710 [ 1554.430310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.430310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.430310][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.430310][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.430310][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.430310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.430310][ T10] [ 1554.432318][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1554.432318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.432318][ T10] ipv6_find_idev+0x102/0x170 [ 1554.432318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.432318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.432318][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.432318][ T10] netlink_unicast+0x449/0x710 [ 1554.432318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.432318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.432318][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.432318][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.432318][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.432318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.432318][ T10] [ 1554.433857][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1554.433857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.433857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.433857][ T10] ipv6_find_idev+0x102/0x170 [ 1554.433857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.433857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.433857][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.433857][ T10] netlink_unicast+0x449/0x710 [ 1554.433857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.433857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.433857][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.433857][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.433857][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.433857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.433857][ T10] [ 1554.435554][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1554.435838][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1554.435838][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.435838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.435838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.435838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.435838][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.435838][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.435838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.435838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.435838][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.435838][ T10] netlink_unicast+0x449/0x710 [ 1554.435838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.435838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.435838][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.435838][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.435838][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.435838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.435838][ T10] [ 1554.437823][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1554.437823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.437823][ T10] ipv6_find_idev+0x102/0x170 [ 1554.437823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.437823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.437823][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.437823][ T10] netlink_unicast+0x449/0x710 [ 1554.437823][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.437823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.437823][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.437823][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.437823][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.437823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.437823][ T10] [ 1554.439359][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1554.439359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.439359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.439359][ T10] ipv6_find_idev+0x102/0x170 [ 1554.439359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.439359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.439359][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.439359][ T10] netlink_unicast+0x449/0x710 [ 1554.439359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.439359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.439359][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.439359][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.439359][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.439359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.439359][ T10] [ 1554.441035][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1554.441303][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1554.441303][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.441303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.441303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.441303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.441303][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.441303][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.441303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.441303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.441303][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.441303][ T10] netlink_unicast+0x449/0x710 [ 1554.441303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.441303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.441303][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.441303][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.441303][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.441303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.441303][ T10] [ 1554.443293][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1554.443293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.443293][ T10] ipv6_find_idev+0x102/0x170 [ 1554.443293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.443293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.443293][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.443293][ T10] netlink_unicast+0x449/0x710 [ 1554.443293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.443293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.443293][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.443293][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.443293][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.443293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.443293][ T10] [ 1554.444835][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1554.444835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.444835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.444835][ T10] ipv6_find_idev+0x102/0x170 [ 1554.444835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.444835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.444835][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.444835][ T10] netlink_unicast+0x449/0x710 [ 1554.444835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.444835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.444835][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.444835][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.444835][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.444835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.444835][ T10] [ 1554.446517][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1554.446779][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1554.446779][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.446779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.446779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.446779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.446779][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.446779][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.446779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.446779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.446779][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.446779][ T10] netlink_unicast+0x449/0x710 [ 1554.446779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.446779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.446779][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.446779][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.446779][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.446779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.446779][ T10] [ 1554.448762][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1554.448762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.448762][ T10] ipv6_find_idev+0x102/0x170 [ 1554.448762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.448762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.448762][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.448762][ T10] netlink_unicast+0x449/0x710 [ 1554.448762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.448762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.448762][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.448762][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.448762][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.448762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.448762][ T10] [ 1554.450307][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1554.450307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.450307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.450307][ T10] ipv6_find_idev+0x102/0x170 [ 1554.450307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.450307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.450307][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.450307][ T10] netlink_unicast+0x449/0x710 [ 1554.450307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.450307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.450307][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.450307][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.450307][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.450307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.450307][ T10] [ 1554.452380][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1554.452647][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1554.452647][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.452647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.452647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.452647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.452647][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.452647][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.452647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.452647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.452647][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.452647][ T10] netlink_unicast+0x449/0x710 [ 1554.452647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.452647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.452647][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.452647][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.452647][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.452647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.452647][ T10] [ 1554.454633][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1554.454633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.454633][ T10] ipv6_find_idev+0x102/0x170 [ 1554.454633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.454633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.454633][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.454633][ T10] netlink_unicast+0x449/0x710 [ 1554.454633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.454633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.454633][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.454633][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.454633][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.454633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.454633][ T10] [ 1554.456160][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1554.456160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.456160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.456160][ T10] ipv6_find_idev+0x102/0x170 [ 1554.456160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.456160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.456160][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.456160][ T10] netlink_unicast+0x449/0x710 [ 1554.456160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.456160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.456160][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.456160][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.456160][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.456160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.456160][ T10] [ 1554.457875][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1554.458135][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1554.458135][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.458135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.458135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.458135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.458135][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.458135][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.458135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.458135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.458135][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.458135][ T10] netlink_unicast+0x449/0x710 [ 1554.458135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.458135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.458135][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.458135][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.458135][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.458135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.458135][ T10] [ 1554.460189][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1554.460189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.460189][ T10] ipv6_find_idev+0x102/0x170 [ 1554.460189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.460189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.460189][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.460189][ T10] netlink_unicast+0x449/0x710 [ 1554.460189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.460189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.460189][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.460189][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.460189][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.460189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.460189][ T10] [ 1554.461784][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1554.461784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.461784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.461784][ T10] ipv6_find_idev+0x102/0x170 [ 1554.461784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.461784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.461784][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.461784][ T10] netlink_unicast+0x449/0x710 [ 1554.461784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.461784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.461784][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.461784][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.461784][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.461784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.461784][ T10] [ 1554.463560][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1554.463877][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1554.463877][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.463877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.463877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.463877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.463877][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.463877][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.463877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.463877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.463877][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.463877][ T10] netlink_unicast+0x449/0x710 [ 1554.463877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.463877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.463877][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.463877][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.463877][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.463877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.463877][ T10] [ 1554.465935][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1554.465935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.465935][ T10] ipv6_find_idev+0x102/0x170 [ 1554.465935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.465935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.465935][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.465935][ T10] netlink_unicast+0x449/0x710 [ 1554.465935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.465935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.465935][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.465935][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.465935][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.465935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.465935][ T10] [ 1554.467525][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1554.467525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.467525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.467525][ T10] ipv6_find_idev+0x102/0x170 [ 1554.467525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.467525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.467525][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.467525][ T10] netlink_unicast+0x449/0x710 [ 1554.467525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.467525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.467525][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.467525][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.467525][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.467525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.467525][ T10] [ 1554.469300][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1554.469567][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1554.469567][ T10] netdev_get_by_index+0x5e/0x80 [ 1554.469567][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1554.469567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1554.469567][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1554.469567][ T10] ipv6_add_addr+0x411/0x2000 [ 1554.469567][ T10] inet6_addr_add+0x30e/0xa40 [ 1554.469567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.469567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.469567][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.469567][ T10] netlink_unicast+0x449/0x710 [ 1554.469567][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.469567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.469567][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.469567][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.469567][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.469567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.469567][ T10] [ 1554.471668][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1554.471668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1554.471668][ T10] ipv6_find_idev+0x102/0x170 [ 1554.471668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.471668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.471668][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.471668][ T10] netlink_unicast+0x449/0x710 [ 1554.471668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.471668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.471668][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.471668][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.471668][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.471668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.471668][ T10] [ 1554.473267][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1554.473267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1554.473267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1554.473267][ T10] ipv6_find_idev+0x102/0x170 [ 1554.473267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.473267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.473267][ T10] netlink_rcv_skb+0x130/0x360 [ 1554.473267][ T10] netlink_unicast+0x449/0x710 [ 1554.473267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1554.473267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1554.473267][ T10] ___sys_sendmsg+0xee/0x170 [ 1554.473267][ T10] __sys_sendmsg+0xcd/0x170 [ 1554.473267][ T10] do_syscall_64+0xc6/0x1e0 [ 1554.473267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.473267][ T10] [ 1564.501822][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1564.502339][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1564.502339][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.502339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.502339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.502339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.502339][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.502339][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.502339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.502339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.502339][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.502339][ T10] netlink_unicast+0x449/0x710 [ 1564.502339][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.502339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.502339][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.502339][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.502339][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.502339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.502339][ T10] [ 1564.504354][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1564.504354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.504354][ T10] ipv6_find_idev+0x102/0x170 [ 1564.504354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.504354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.504354][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.504354][ T10] netlink_unicast+0x449/0x710 [ 1564.504354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.504354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.504354][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.504354][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.504354][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.504354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.504354][ T10] [ 1564.505884][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1564.505884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.505884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.505884][ T10] ipv6_find_idev+0x102/0x170 [ 1564.505884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.505884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.505884][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.505884][ T10] netlink_unicast+0x449/0x710 [ 1564.505884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.505884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.505884][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.505884][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.505884][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.505884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.505884][ T10] [ 1564.507563][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1564.507844][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1564.507844][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.507844][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.507844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.507844][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.507844][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.507844][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.507844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.507844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.507844][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.507844][ T10] netlink_unicast+0x449/0x710 [ 1564.507844][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.507844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.507844][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.507844][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.507844][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.507844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.507844][ T10] [ 1564.509837][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1564.509837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.509837][ T10] ipv6_find_idev+0x102/0x170 [ 1564.509837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.509837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.509837][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.509837][ T10] netlink_unicast+0x449/0x710 [ 1564.509837][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.509837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.509837][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.509837][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.509837][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.509837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.509837][ T10] [ 1564.511370][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1564.511370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.511370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.511370][ T10] ipv6_find_idev+0x102/0x170 [ 1564.511370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.511370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.511370][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.511370][ T10] netlink_unicast+0x449/0x710 [ 1564.511370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.511370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.511370][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.511370][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.511370][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.511370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.511370][ T10] [ 1564.513169][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1564.513438][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1564.513438][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.513438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.513438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.513438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.513438][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.513438][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.513438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.513438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.513438][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.513438][ T10] netlink_unicast+0x449/0x710 [ 1564.513438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.513438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.513438][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.513438][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.513438][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.513438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.513438][ T10] [ 1564.515467][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1564.515467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.515467][ T10] ipv6_find_idev+0x102/0x170 [ 1564.515467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.515467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.515467][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.515467][ T10] netlink_unicast+0x449/0x710 [ 1564.515467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.515467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.515467][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.515467][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.515467][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.515467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.515467][ T10] [ 1564.516992][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1564.516992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.516992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.516992][ T10] ipv6_find_idev+0x102/0x170 [ 1564.516992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.516992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.516992][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.516992][ T10] netlink_unicast+0x449/0x710 [ 1564.516992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.516992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.516992][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.516992][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.516992][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.516992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.516992][ T10] [ 1564.518676][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1564.519390][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1564.519390][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.519390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.519390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.519390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.519390][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.519390][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.519390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.519390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.519390][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.519390][ T10] netlink_unicast+0x449/0x710 [ 1564.519390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.519390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.519390][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.519390][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.519390][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.519390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.519390][ T10] [ 1564.521378][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1564.521378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.521378][ T10] ipv6_find_idev+0x102/0x170 [ 1564.521378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.521378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.521378][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.521378][ T10] netlink_unicast+0x449/0x710 [ 1564.521378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.521378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.521378][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.521378][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.521378][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.521378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.521378][ T10] [ 1564.522903][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1564.522903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.522903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.522903][ T10] ipv6_find_idev+0x102/0x170 [ 1564.522903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.522903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.522903][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.522903][ T10] netlink_unicast+0x449/0x710 [ 1564.522903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.522903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.522903][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.522903][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.522903][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.522903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.522903][ T10] [ 1564.524623][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1564.524939][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1564.524939][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.524939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.524939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.524939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.524939][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.524939][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.524939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.524939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.524939][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.524939][ T10] netlink_unicast+0x449/0x710 [ 1564.524939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.524939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.524939][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.524939][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.524939][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.524939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.524939][ T10] [ 1564.526941][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1564.526941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.526941][ T10] ipv6_find_idev+0x102/0x170 [ 1564.526941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.526941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.526941][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.526941][ T10] netlink_unicast+0x449/0x710 [ 1564.526941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.526941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.526941][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.526941][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.526941][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.526941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.526941][ T10] [ 1564.528478][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1564.528478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.528478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.528478][ T10] ipv6_find_idev+0x102/0x170 [ 1564.528478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.528478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.528478][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.528478][ T10] netlink_unicast+0x449/0x710 [ 1564.528478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.528478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.528478][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.528478][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.528478][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.528478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.528478][ T10] [ 1564.530192][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1564.530457][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1564.530457][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.530457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.530457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.530457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.530457][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.530457][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.530457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.530457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.530457][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.530457][ T10] netlink_unicast+0x449/0x710 [ 1564.530457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.530457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.530457][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.530457][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.530457][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.530457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.530457][ T10] [ 1564.532510][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1564.532510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.532510][ T10] ipv6_find_idev+0x102/0x170 [ 1564.532510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.532510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.532510][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.532510][ T10] netlink_unicast+0x449/0x710 [ 1564.532510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.532510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.532510][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.532510][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.532510][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.532510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.532510][ T10] [ 1564.534093][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1564.534093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.534093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.534093][ T10] ipv6_find_idev+0x102/0x170 [ 1564.534093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.534093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.534093][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.534093][ T10] netlink_unicast+0x449/0x710 [ 1564.534093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.534093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.534093][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.534093][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.534093][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.534093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.534093][ T10] [ 1564.535946][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1564.536205][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1564.536205][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.536205][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.536205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.536205][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.536205][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.536205][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.536205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.536205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.536205][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.536205][ T10] netlink_unicast+0x449/0x710 [ 1564.536205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.536205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.536205][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.536205][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.536205][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.536205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.536205][ T10] [ 1564.538323][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1564.538323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.538323][ T10] ipv6_find_idev+0x102/0x170 [ 1564.538323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.538323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.538323][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.538323][ T10] netlink_unicast+0x449/0x710 [ 1564.538323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.538323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.538323][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.538323][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.538323][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.538323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.538323][ T10] [ 1564.539908][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1564.539908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.539908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.539908][ T10] ipv6_find_idev+0x102/0x170 [ 1564.539908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.539908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.539908][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.539908][ T10] netlink_unicast+0x449/0x710 [ 1564.539908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.539908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.539908][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.539908][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.539908][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.539908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.539908][ T10] [ 1564.541737][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1564.542060][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1564.542060][ T10] netdev_get_by_index+0x5e/0x80 [ 1564.542060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1564.542060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1564.542060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1564.542060][ T10] ipv6_add_addr+0x411/0x2000 [ 1564.542060][ T10] inet6_addr_add+0x30e/0xa40 [ 1564.542060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.542060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.542060][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.542060][ T10] netlink_unicast+0x449/0x710 [ 1564.542060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.542060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.542060][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.542060][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.542060][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.542060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.542060][ T10] [ 1564.544113][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1564.544113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1564.544113][ T10] ipv6_find_idev+0x102/0x170 [ 1564.544113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.544113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.544113][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.544113][ T10] netlink_unicast+0x449/0x710 [ 1564.544113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.544113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.544113][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.544113][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.544113][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.544113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.544113][ T10] [ 1564.545779][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1564.545779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1564.545779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1564.545779][ T10] ipv6_find_idev+0x102/0x170 [ 1564.545779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.545779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.545779][ T10] netlink_rcv_skb+0x130/0x360 [ 1564.545779][ T10] netlink_unicast+0x449/0x710 [ 1564.545779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1564.545779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1564.545779][ T10] ___sys_sendmsg+0xee/0x170 [ 1564.545779][ T10] __sys_sendmsg+0xcd/0x170 [ 1564.545779][ T10] do_syscall_64+0xc6/0x1e0 [ 1564.545779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.545779][ T10] [ 1574.789818][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1574.790313][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1574.790313][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.790313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.790313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.790313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.790313][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.790313][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.790313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.790313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.790313][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.790313][ T10] netlink_unicast+0x449/0x710 [ 1574.790313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.790313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.790313][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.790313][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.790313][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.790313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.790313][ T10] [ 1574.792317][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1574.792317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.792317][ T10] ipv6_find_idev+0x102/0x170 [ 1574.792317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.792317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.792317][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.792317][ T10] netlink_unicast+0x449/0x710 [ 1574.792317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.792317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.792317][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.792317][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.792317][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.792317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.792317][ T10] [ 1574.793845][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1574.793845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.793845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.793845][ T10] ipv6_find_idev+0x102/0x170 [ 1574.793845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.793845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.793845][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.793845][ T10] netlink_unicast+0x449/0x710 [ 1574.793845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.793845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.793845][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.793845][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.793845][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.793845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.793845][ T10] [ 1574.795550][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1574.795839][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1574.795839][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.795839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.795839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.795839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.795839][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.795839][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.795839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.795839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.795839][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.795839][ T10] netlink_unicast+0x449/0x710 [ 1574.795839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.795839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.795839][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.795839][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.795839][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.795839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.795839][ T10] [ 1574.797825][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1574.797825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.797825][ T10] ipv6_find_idev+0x102/0x170 [ 1574.797825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.797825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.797825][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.797825][ T10] netlink_unicast+0x449/0x710 [ 1574.797825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.797825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.797825][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.797825][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.797825][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.797825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.797825][ T10] [ 1574.799937][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1574.799937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.799937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.799937][ T10] ipv6_find_idev+0x102/0x170 [ 1574.799937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.799937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.799937][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.799937][ T10] netlink_unicast+0x449/0x710 [ 1574.799937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.799937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.799937][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.799937][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.799937][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.799937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.799937][ T10] [ 1574.801613][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1574.801895][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1574.801895][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.801895][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.801895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.801895][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.801895][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.801895][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.801895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.801895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.801895][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.801895][ T10] netlink_unicast+0x449/0x710 [ 1574.801895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.801895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.801895][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.801895][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.801895][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.801895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.801895][ T10] [ 1574.803884][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1574.803884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.803884][ T10] ipv6_find_idev+0x102/0x170 [ 1574.803884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.803884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.803884][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.803884][ T10] netlink_unicast+0x449/0x710 [ 1574.803884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.803884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.803884][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.803884][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.803884][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.803884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.803884][ T10] [ 1574.805421][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1574.805421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.805421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.805421][ T10] ipv6_find_idev+0x102/0x170 [ 1574.805421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.805421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.805421][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.805421][ T10] netlink_unicast+0x449/0x710 [ 1574.805421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.805421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.805421][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.805421][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.805421][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.805421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.805421][ T10] [ 1574.807084][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1574.807347][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1574.807347][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.807347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.807347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.807347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.807347][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.807347][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.807347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.807347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.807347][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.807347][ T10] netlink_unicast+0x449/0x710 [ 1574.807347][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.807347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.807347][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.807347][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.807347][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.807347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.807347][ T10] [ 1574.809348][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1574.809348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.809348][ T10] ipv6_find_idev+0x102/0x170 [ 1574.809348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.809348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.809348][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.809348][ T10] netlink_unicast+0x449/0x710 [ 1574.809348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.809348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.809348][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.809348][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.809348][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.809348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.809348][ T10] [ 1574.810871][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1574.810871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.810871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.810871][ T10] ipv6_find_idev+0x102/0x170 [ 1574.810871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.810871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.810871][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.810871][ T10] netlink_unicast+0x449/0x710 [ 1574.810871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.810871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.810871][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.810871][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.810871][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.810871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.810871][ T10] [ 1574.812950][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1574.813214][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1574.813214][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.813214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.813214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.813214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.813214][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.813214][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.813214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.813214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.813214][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.813214][ T10] netlink_unicast+0x449/0x710 [ 1574.813214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.813214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.813214][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.813214][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.813214][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.813214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.813214][ T10] [ 1574.815209][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1574.815209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.815209][ T10] ipv6_find_idev+0x102/0x170 [ 1574.815209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.815209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.815209][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.815209][ T10] netlink_unicast+0x449/0x710 [ 1574.815209][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.815209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.815209][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.815209][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.815209][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.815209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.815209][ T10] [ 1574.816736][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1574.816736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.816736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.816736][ T10] ipv6_find_idev+0x102/0x170 [ 1574.816736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.816736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.816736][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.816736][ T10] netlink_unicast+0x449/0x710 [ 1574.816736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.816736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.816736][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.816736][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.816736][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.816736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.816736][ T10] [ 1574.818448][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1574.818708][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1574.818708][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.818708][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.818708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.818708][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.818708][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.818708][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.818708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.818708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.818708][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.818708][ T10] netlink_unicast+0x449/0x710 [ 1574.818708][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.818708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.818708][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.818708][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.818708][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.818708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.818708][ T10] [ 1574.821148][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1574.821148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.821148][ T10] ipv6_find_idev+0x102/0x170 [ 1574.821148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.821148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.821148][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.821148][ T10] netlink_unicast+0x449/0x710 [ 1574.821148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.821148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.821148][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.821148][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.821148][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.821148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.821148][ T10] [ 1574.822735][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1574.822735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.822735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.822735][ T10] ipv6_find_idev+0x102/0x170 [ 1574.822735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.822735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.822735][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.822735][ T10] netlink_unicast+0x449/0x710 [ 1574.822735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.822735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.822735][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.822735][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.822735][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.822735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.822735][ T10] [ 1574.824527][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1574.824798][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1574.824798][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.824798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.824798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.824798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.824798][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.824798][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.824798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.824798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.824798][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.824798][ T10] netlink_unicast+0x449/0x710 [ 1574.824798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.824798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.824798][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.824798][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.824798][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.824798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.824798][ T10] [ 1574.826838][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1574.826838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.826838][ T10] ipv6_find_idev+0x102/0x170 [ 1574.826838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.826838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.826838][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.826838][ T10] netlink_unicast+0x449/0x710 [ 1574.826838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.826838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.826838][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.826838][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.826838][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.826838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.826838][ T10] [ 1574.828428][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1574.828428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.828428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.828428][ T10] ipv6_find_idev+0x102/0x170 [ 1574.828428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.828428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.828428][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.828428][ T10] netlink_unicast+0x449/0x710 [ 1574.828428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.828428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.828428][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.828428][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.828428][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.828428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.828428][ T10] [ 1574.830263][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1574.830572][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1574.830572][ T10] netdev_get_by_index+0x5e/0x80 [ 1574.830572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1574.830572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1574.830572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1574.830572][ T10] ipv6_add_addr+0x411/0x2000 [ 1574.830572][ T10] inet6_addr_add+0x30e/0xa40 [ 1574.830572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.830572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.830572][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.830572][ T10] netlink_unicast+0x449/0x710 [ 1574.830572][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.830572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.830572][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.830572][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.830572][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.830572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.830572][ T10] [ 1574.832673][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1574.832673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1574.832673][ T10] ipv6_find_idev+0x102/0x170 [ 1574.832673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.832673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.832673][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.832673][ T10] netlink_unicast+0x449/0x710 [ 1574.832673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.832673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.832673][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.832673][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.832673][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.832673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.832673][ T10] [ 1574.834390][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1574.834390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1574.834390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1574.834390][ T10] ipv6_find_idev+0x102/0x170 [ 1574.834390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.834390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.834390][ T10] netlink_rcv_skb+0x130/0x360 [ 1574.834390][ T10] netlink_unicast+0x449/0x710 [ 1574.834390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1574.834390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1574.834390][ T10] ___sys_sendmsg+0xee/0x170 [ 1574.834390][ T10] __sys_sendmsg+0xcd/0x170 [ 1574.834390][ T10] do_syscall_64+0xc6/0x1e0 [ 1574.834390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.834390][ T10] [ 1585.077903][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1585.078399][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1585.078399][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.078399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.078399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.078399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.078399][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.078399][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.078399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.078399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.078399][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.078399][ T10] netlink_unicast+0x449/0x710 [ 1585.078399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.078399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.078399][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.078399][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.078399][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.078399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.078399][ T10] [ 1585.080396][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1585.080396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.080396][ T10] ipv6_find_idev+0x102/0x170 [ 1585.080396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.080396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.080396][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.080396][ T10] netlink_unicast+0x449/0x710 [ 1585.080396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.080396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.080396][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.080396][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.080396][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.080396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.080396][ T10] [ 1585.081924][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1585.081924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.081924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.081924][ T10] ipv6_find_idev+0x102/0x170 [ 1585.081924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.081924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.081924][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.081924][ T10] netlink_unicast+0x449/0x710 [ 1585.081924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.081924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.081924][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.081924][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.081924][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.081924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.081924][ T10] [ 1585.083596][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1585.083893][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1585.083893][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.083893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.083893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.083893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.083893][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.083893][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.083893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.083893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.083893][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.083893][ T10] netlink_unicast+0x449/0x710 [ 1585.083893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.083893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.083893][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.083893][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.083893][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.083893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.083893][ T10] [ 1585.085881][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1585.085881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.085881][ T10] ipv6_find_idev+0x102/0x170 [ 1585.085881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.085881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.085881][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.085881][ T10] netlink_unicast+0x449/0x710 [ 1585.085881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.085881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.085881][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.085881][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.085881][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.085881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.085881][ T10] [ 1585.087419][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1585.087419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.087419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.087419][ T10] ipv6_find_idev+0x102/0x170 [ 1585.087419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.087419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.087419][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.087419][ T10] netlink_unicast+0x449/0x710 [ 1585.087419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.087419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.087419][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.087419][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.087419][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.087419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.087419][ T10] [ 1585.089087][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1585.089351][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1585.089351][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.089351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.089351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.089351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.089351][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.089351][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.089351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.089351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.089351][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.089351][ T10] netlink_unicast+0x449/0x710 [ 1585.089351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.089351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.089351][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.089351][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.089351][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.089351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.089351][ T10] [ 1585.091317][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1585.091317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.091317][ T10] ipv6_find_idev+0x102/0x170 [ 1585.091317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.091317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.091317][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.091317][ T10] netlink_unicast+0x449/0x710 [ 1585.091317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.091317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.091317][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.091317][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.091317][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.091317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.091317][ T10] [ 1585.092854][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1585.092854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.092854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.092854][ T10] ipv6_find_idev+0x102/0x170 [ 1585.092854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.092854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.092854][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.092854][ T10] netlink_unicast+0x449/0x710 [ 1585.092854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.092854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.092854][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.092854][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.092854][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.092854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.092854][ T10] [ 1585.094533][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1585.094794][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1585.094794][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.094794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.094794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.094794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.094794][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.094794][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.094794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.094794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.094794][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.094794][ T10] netlink_unicast+0x449/0x710 [ 1585.094794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.094794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.094794][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.094794][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.094794][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.094794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.094794][ T10] [ 1585.096768][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1585.096768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.096768][ T10] ipv6_find_idev+0x102/0x170 [ 1585.096768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.096768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.096768][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.096768][ T10] netlink_unicast+0x449/0x710 [ 1585.096768][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.096768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.096768][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.096768][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.096768][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.096768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.096768][ T10] [ 1585.098295][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1585.098295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.098295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.098295][ T10] ipv6_find_idev+0x102/0x170 [ 1585.098295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.098295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.098295][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.098295][ T10] netlink_unicast+0x449/0x710 [ 1585.098295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.098295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.098295][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.098295][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.098295][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.098295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.098295][ T10] [ 1585.100014][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1585.100280][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1585.100280][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.100280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.100280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.100280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.100280][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.100280][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.100280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.100280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.100280][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.100280][ T10] netlink_unicast+0x449/0x710 [ 1585.100280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.100280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.100280][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.100280][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.100280][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.100280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.100280][ T10] [ 1585.102266][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1585.102266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.102266][ T10] ipv6_find_idev+0x102/0x170 [ 1585.102266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.102266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.102266][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.102266][ T10] netlink_unicast+0x449/0x710 [ 1585.102266][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.102266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.102266][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.102266][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.102266][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.102266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.102266][ T10] [ 1585.103857][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1585.103857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.103857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.103857][ T10] ipv6_find_idev+0x102/0x170 [ 1585.103857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.103857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.103857][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.103857][ T10] netlink_unicast+0x449/0x710 [ 1585.103857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.103857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.103857][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.103857][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.103857][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.103857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.103857][ T10] [ 1585.105695][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1585.106011][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1585.106011][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.106011][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.106011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.106011][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.106011][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.106011][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.106011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.106011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.106011][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.106011][ T10] netlink_unicast+0x449/0x710 [ 1585.106011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.106011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.106011][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.106011][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.106011][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.106011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.106011][ T10] [ 1585.108042][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1585.108042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.108042][ T10] ipv6_find_idev+0x102/0x170 [ 1585.108042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.108042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.108042][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.108042][ T10] netlink_unicast+0x449/0x710 [ 1585.108042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.108042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.108042][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.108042][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.108042][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.108042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.108042][ T10] [ 1585.109687][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1585.109687][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.109687][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.109687][ T10] ipv6_find_idev+0x102/0x170 [ 1585.109687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.109687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.109687][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.109687][ T10] netlink_unicast+0x449/0x710 [ 1585.109687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.109687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.109687][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.109687][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.109687][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.109687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.109687][ T10] [ 1585.111457][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1585.111716][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1585.111716][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.111716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.111716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.111716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.111716][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.111716][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.111716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.111716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.111716][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.111716][ T10] netlink_unicast+0x449/0x710 [ 1585.111716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.111716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.111716][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.111716][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.111716][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.111716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.111716][ T10] [ 1585.113814][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1585.113814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.113814][ T10] ipv6_find_idev+0x102/0x170 [ 1585.113814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.113814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.113814][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.113814][ T10] netlink_unicast+0x449/0x710 [ 1585.113814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.113814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.113814][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.113814][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.113814][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.113814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.113814][ T10] [ 1585.115478][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1585.115478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.115478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.115478][ T10] ipv6_find_idev+0x102/0x170 [ 1585.115478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.115478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.115478][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.115478][ T10] netlink_unicast+0x449/0x710 [ 1585.115478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.115478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.115478][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.115478][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.115478][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.115478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.115478][ T10] [ 1585.117264][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1585.117521][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1585.117521][ T10] netdev_get_by_index+0x5e/0x80 [ 1585.117521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1585.117521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1585.117521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1585.117521][ T10] ipv6_add_addr+0x411/0x2000 [ 1585.117521][ T10] inet6_addr_add+0x30e/0xa40 [ 1585.117521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.117521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.117521][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.117521][ T10] netlink_unicast+0x449/0x710 [ 1585.117521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.117521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.117521][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.117521][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.117521][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.117521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.117521][ T10] [ 1585.119622][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1585.119622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1585.119622][ T10] ipv6_find_idev+0x102/0x170 [ 1585.119622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.119622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.119622][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.119622][ T10] netlink_unicast+0x449/0x710 [ 1585.119622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.119622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.119622][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.119622][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.119622][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.119622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.119622][ T10] [ 1585.121268][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1585.121268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1585.121268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1585.121268][ T10] ipv6_find_idev+0x102/0x170 [ 1585.121268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.121268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.121268][ T10] netlink_rcv_skb+0x130/0x360 [ 1585.121268][ T10] netlink_unicast+0x449/0x710 [ 1585.121268][ T10] netlink_sendmsg+0x723/0xbe0 [ 1585.121268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1585.121268][ T10] ___sys_sendmsg+0xee/0x170 [ 1585.121268][ T10] __sys_sendmsg+0xcd/0x170 [ 1585.121268][ T10] do_syscall_64+0xc6/0x1e0 [ 1585.121268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.121268][ T10] [ 1595.173883][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1595.174397][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1595.174397][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.174397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.174397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.174397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.174397][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.174397][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.174397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.174397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.174397][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.174397][ T10] netlink_unicast+0x449/0x710 [ 1595.174397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.174397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.174397][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.174397][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.174397][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.174397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.174397][ T10] [ 1595.176430][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1595.176430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.176430][ T10] ipv6_find_idev+0x102/0x170 [ 1595.176430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.176430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.176430][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.176430][ T10] netlink_unicast+0x449/0x710 [ 1595.176430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.176430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.176430][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.176430][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.176430][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.176430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.176430][ T10] [ 1595.178096][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1595.178096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.178096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.178096][ T10] ipv6_find_idev+0x102/0x170 [ 1595.178096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.178096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.178096][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.178096][ T10] netlink_unicast+0x449/0x710 [ 1595.178096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.178096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.178096][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.178096][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.178096][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.178096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.178096][ T10] [ 1595.179813][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1595.180090][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1595.180090][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.180090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.180090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.180090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.180090][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.180090][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.180090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.180090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.180090][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.180090][ T10] netlink_unicast+0x449/0x710 [ 1595.180090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.180090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.180090][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.180090][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.180090][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.180090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.180090][ T10] [ 1595.182088][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1595.182088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.182088][ T10] ipv6_find_idev+0x102/0x170 [ 1595.182088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.182088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.182088][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.182088][ T10] netlink_unicast+0x449/0x710 [ 1595.182088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.182088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.182088][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.182088][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.182088][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.182088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.182088][ T10] [ 1595.183648][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1595.183648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.183648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.183648][ T10] ipv6_find_idev+0x102/0x170 [ 1595.183648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.183648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.183648][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.183648][ T10] netlink_unicast+0x449/0x710 [ 1595.183648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.183648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.183648][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.183648][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.183648][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.183648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.183648][ T10] [ 1595.185372][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1595.185643][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1595.185643][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.185643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.185643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.185643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.185643][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.185643][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.185643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.185643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.185643][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.185643][ T10] netlink_unicast+0x449/0x710 [ 1595.185643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.185643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.185643][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.185643][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.185643][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.185643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.185643][ T10] [ 1595.187641][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1595.187641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.187641][ T10] ipv6_find_idev+0x102/0x170 [ 1595.187641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.187641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.187641][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.187641][ T10] netlink_unicast+0x449/0x710 [ 1595.187641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.187641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.187641][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.187641][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.187641][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.187641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.187641][ T10] [ 1595.189186][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1595.189186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.189186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.189186][ T10] ipv6_find_idev+0x102/0x170 [ 1595.189186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.189186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.189186][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.189186][ T10] netlink_unicast+0x449/0x710 [ 1595.189186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.189186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.189186][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.189186][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.189186][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.189186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.189186][ T10] [ 1595.190879][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1595.191145][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1595.191145][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.191145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.191145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.191145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.191145][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.191145][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.191145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.191145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.191145][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.191145][ T10] netlink_unicast+0x449/0x710 [ 1595.191145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.191145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.191145][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.191145][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.191145][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.191145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.191145][ T10] [ 1595.193152][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1595.193152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.193152][ T10] ipv6_find_idev+0x102/0x170 [ 1595.193152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.193152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.193152][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.193152][ T10] netlink_unicast+0x449/0x710 [ 1595.193152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.193152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.193152][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.193152][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.193152][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.193152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.193152][ T10] [ 1595.194708][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1595.194708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.194708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.194708][ T10] ipv6_find_idev+0x102/0x170 [ 1595.194708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.194708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.194708][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.194708][ T10] netlink_unicast+0x449/0x710 [ 1595.194708][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.194708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.194708][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.194708][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.194708][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.194708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.194708][ T10] [ 1595.196817][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1595.197081][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1595.197081][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.197081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.197081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.197081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.197081][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.197081][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.197081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.197081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.197081][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.197081][ T10] netlink_unicast+0x449/0x710 [ 1595.197081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.197081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.197081][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.197081][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.197081][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.197081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.197081][ T10] [ 1595.199081][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1595.199081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.199081][ T10] ipv6_find_idev+0x102/0x170 [ 1595.199081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.199081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.199081][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.199081][ T10] netlink_unicast+0x449/0x710 [ 1595.199081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.199081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.199081][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.199081][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.199081][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.199081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.199081][ T10] [ 1595.200622][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1595.200622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.200622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.200622][ T10] ipv6_find_idev+0x102/0x170 [ 1595.200622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.200622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.200622][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.200622][ T10] netlink_unicast+0x449/0x710 [ 1595.200622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.200622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.200622][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.200622][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.200622][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.200622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.200622][ T10] [ 1595.202348][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1595.202611][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1595.202611][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.202611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.202611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.202611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.202611][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.202611][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.202611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.202611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.202611][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.202611][ T10] netlink_unicast+0x449/0x710 [ 1595.202611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.202611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.202611][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.202611][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.202611][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.202611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.202611][ T10] [ 1595.204777][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1595.204777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.204777][ T10] ipv6_find_idev+0x102/0x170 [ 1595.204777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.204777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.204777][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.204777][ T10] netlink_unicast+0x449/0x710 [ 1595.204777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.204777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.204777][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.204777][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.204777][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.204777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.204777][ T10] [ 1595.206555][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1595.206555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.206555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.206555][ T10] ipv6_find_idev+0x102/0x170 [ 1595.206555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.206555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.206555][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.206555][ T10] netlink_unicast+0x449/0x710 [ 1595.206555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.206555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.206555][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.206555][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.206555][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.206555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.206555][ T10] [ 1595.208494][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1595.208765][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1595.208765][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.208765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.208765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.208765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.208765][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.208765][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.208765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.208765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.208765][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.208765][ T10] netlink_unicast+0x449/0x710 [ 1595.208765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.208765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.208765][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.208765][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.208765][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.208765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.208765][ T10] [ 1595.211004][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1595.211004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.211004][ T10] ipv6_find_idev+0x102/0x170 [ 1595.211004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.211004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.211004][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.211004][ T10] netlink_unicast+0x449/0x710 [ 1595.211004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.211004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.211004][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.211004][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.211004][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.211004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.211004][ T10] [ 1595.212722][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1595.212722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.212722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.212722][ T10] ipv6_find_idev+0x102/0x170 [ 1595.212722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.212722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.212722][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.212722][ T10] netlink_unicast+0x449/0x710 [ 1595.212722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.212722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.212722][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.212722][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.212722][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.212722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.212722][ T10] [ 1595.214640][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1595.214963][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1595.214963][ T10] netdev_get_by_index+0x5e/0x80 [ 1595.214963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1595.214963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1595.214963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1595.214963][ T10] ipv6_add_addr+0x411/0x2000 [ 1595.214963][ T10] inet6_addr_add+0x30e/0xa40 [ 1595.214963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.214963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.214963][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.214963][ T10] netlink_unicast+0x449/0x710 [ 1595.214963][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.214963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.214963][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.214963][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.214963][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.214963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.214963][ T10] [ 1595.217209][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1595.217209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1595.217209][ T10] ipv6_find_idev+0x102/0x170 [ 1595.217209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.217209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.217209][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.217209][ T10] netlink_unicast+0x449/0x710 [ 1595.217209][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.217209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.217209][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.217209][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.217209][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.217209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.217209][ T10] [ 1595.218961][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1595.218961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1595.218961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1595.218961][ T10] ipv6_find_idev+0x102/0x170 [ 1595.218961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.218961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.218961][ T10] netlink_rcv_skb+0x130/0x360 [ 1595.218961][ T10] netlink_unicast+0x449/0x710 [ 1595.218961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1595.218961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1595.218961][ T10] ___sys_sendmsg+0xee/0x170 [ 1595.218961][ T10] __sys_sendmsg+0xcd/0x170 [ 1595.218961][ T10] do_syscall_64+0xc6/0x1e0 [ 1595.218961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.218961][ T10] [ 1605.461888][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1605.462388][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1605.462388][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.462388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.462388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.462388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.462388][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.462388][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.462388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.462388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.462388][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.462388][ T10] netlink_unicast+0x449/0x710 [ 1605.462388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.462388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.462388][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.462388][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.462388][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.462388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.462388][ T10] [ 1605.464435][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1605.464435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.464435][ T10] ipv6_find_idev+0x102/0x170 [ 1605.464435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.464435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.464435][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.464435][ T10] netlink_unicast+0x449/0x710 [ 1605.464435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.464435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.464435][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.464435][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.464435][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.464435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.464435][ T10] [ 1605.465977][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1605.465977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.465977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.465977][ T10] ipv6_find_idev+0x102/0x170 [ 1605.465977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.465977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.465977][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.465977][ T10] netlink_unicast+0x449/0x710 [ 1605.465977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.465977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.465977][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.465977][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.465977][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.465977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.465977][ T10] [ 1605.467672][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1605.467965][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1605.467965][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.467965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.467965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.467965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.467965][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.467965][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.467965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.467965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.467965][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.467965][ T10] netlink_unicast+0x449/0x710 [ 1605.467965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.467965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.467965][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.467965][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.467965][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.467965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.467965][ T10] [ 1605.469961][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1605.469961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.469961][ T10] ipv6_find_idev+0x102/0x170 [ 1605.469961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.469961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.469961][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.469961][ T10] netlink_unicast+0x449/0x710 [ 1605.469961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.469961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.469961][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.469961][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.469961][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.469961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.469961][ T10] [ 1605.471500][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1605.471500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.471500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.471500][ T10] ipv6_find_idev+0x102/0x170 [ 1605.471500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.471500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.471500][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.471500][ T10] netlink_unicast+0x449/0x710 [ 1605.471500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.471500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.471500][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.471500][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.471500][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.471500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.471500][ T10] [ 1605.473193][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1605.473459][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1605.473459][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.473459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.473459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.473459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.473459][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.473459][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.473459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.473459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.473459][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.473459][ T10] netlink_unicast+0x449/0x710 [ 1605.473459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.473459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.473459][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.473459][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.473459][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.473459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.473459][ T10] [ 1605.475486][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1605.475486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.475486][ T10] ipv6_find_idev+0x102/0x170 [ 1605.475486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.475486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.475486][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.475486][ T10] netlink_unicast+0x449/0x710 [ 1605.475486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.475486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.475486][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.475486][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.475486][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.475486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.475486][ T10] [ 1605.477029][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1605.477029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.477029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.477029][ T10] ipv6_find_idev+0x102/0x170 [ 1605.477029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.477029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.477029][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.477029][ T10] netlink_unicast+0x449/0x710 [ 1605.477029][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.477029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.477029][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.477029][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.477029][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.477029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.477029][ T10] [ 1605.478719][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1605.479429][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1605.479429][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.479429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.479429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.479429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.479429][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.479429][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.479429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.479429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.479429][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.479429][ T10] netlink_unicast+0x449/0x710 [ 1605.479429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.479429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.479429][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.479429][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.479429][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.479429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.479429][ T10] [ 1605.481427][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1605.481427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.481427][ T10] ipv6_find_idev+0x102/0x170 [ 1605.481427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.481427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.481427][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.481427][ T10] netlink_unicast+0x449/0x710 [ 1605.481427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.481427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.481427][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.481427][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.481427][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.481427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.481427][ T10] [ 1605.483066][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1605.483066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.483066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.483066][ T10] ipv6_find_idev+0x102/0x170 [ 1605.483066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.483066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.483066][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.483066][ T10] netlink_unicast+0x449/0x710 [ 1605.483066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.483066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.483066][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.483066][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.483066][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.483066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.483066][ T10] [ 1605.484821][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1605.485086][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1605.485086][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.485086][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.485086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.485086][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.485086][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.485086][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.485086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.485086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.485086][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.485086][ T10] netlink_unicast+0x449/0x710 [ 1605.485086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.485086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.485086][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.485086][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.485086][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.485086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.485086][ T10] [ 1605.487102][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1605.487102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.487102][ T10] ipv6_find_idev+0x102/0x170 [ 1605.487102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.487102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.487102][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.487102][ T10] netlink_unicast+0x449/0x710 [ 1605.487102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.487102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.487102][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.487102][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.487102][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.487102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.487102][ T10] [ 1605.488644][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1605.488644][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.488644][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.488644][ T10] ipv6_find_idev+0x102/0x170 [ 1605.488644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.488644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.488644][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.488644][ T10] netlink_unicast+0x449/0x710 [ 1605.488644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.488644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.488644][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.488644][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.488644][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.488644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.488644][ T10] [ 1605.490371][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1605.490633][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1605.490633][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.490633][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.490633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.490633][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.490633][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.490633][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.490633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.490633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.490633][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.490633][ T10] netlink_unicast+0x449/0x710 [ 1605.490633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.490633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.490633][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.490633][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.490633][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.490633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.490633][ T10] [ 1605.492689][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1605.492689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.492689][ T10] ipv6_find_idev+0x102/0x170 [ 1605.492689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.492689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.492689][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.492689][ T10] netlink_unicast+0x449/0x710 [ 1605.492689][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.492689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.492689][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.492689][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.492689][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.492689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.492689][ T10] [ 1605.494415][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1605.494415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.494415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.494415][ T10] ipv6_find_idev+0x102/0x170 [ 1605.494415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.494415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.494415][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.494415][ T10] netlink_unicast+0x449/0x710 [ 1605.494415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.494415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.494415][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.494415][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.494415][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.494415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.494415][ T10] [ 1605.496380][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1605.496642][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1605.496642][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.496642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.496642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.496642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.496642][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.496642][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.496642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.496642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.496642][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.496642][ T10] netlink_unicast+0x449/0x710 [ 1605.496642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.496642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.496642][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.496642][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.496642][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.496642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.496642][ T10] [ 1605.498817][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1605.498817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.498817][ T10] ipv6_find_idev+0x102/0x170 [ 1605.498817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.498817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.498817][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.498817][ T10] netlink_unicast+0x449/0x710 [ 1605.498817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.498817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.498817][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.498817][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.498817][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.498817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.498817][ T10] [ 1605.500544][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1605.500544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.500544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.500544][ T10] ipv6_find_idev+0x102/0x170 [ 1605.500544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.500544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.500544][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.500544][ T10] netlink_unicast+0x449/0x710 [ 1605.500544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.500544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.500544][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.500544][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.500544][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.500544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.500544][ T10] [ 1605.502447][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1605.502709][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1605.502709][ T10] netdev_get_by_index+0x5e/0x80 [ 1605.502709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1605.502709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1605.502709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1605.502709][ T10] ipv6_add_addr+0x411/0x2000 [ 1605.502709][ T10] inet6_addr_add+0x30e/0xa40 [ 1605.502709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.502709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.502709][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.502709][ T10] netlink_unicast+0x449/0x710 [ 1605.502709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.502709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.502709][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.502709][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.502709][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.502709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.502709][ T10] [ 1605.504958][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1605.504958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1605.504958][ T10] ipv6_find_idev+0x102/0x170 [ 1605.504958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.504958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.504958][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.504958][ T10] netlink_unicast+0x449/0x710 [ 1605.504958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.504958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.504958][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.504958][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.504958][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.504958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.504958][ T10] [ 1605.506739][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1605.506739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1605.506739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1605.506739][ T10] ipv6_find_idev+0x102/0x170 [ 1605.506739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.506739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.506739][ T10] netlink_rcv_skb+0x130/0x360 [ 1605.506739][ T10] netlink_unicast+0x449/0x710 [ 1605.506739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1605.506739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1605.506739][ T10] ___sys_sendmsg+0xee/0x170 [ 1605.506739][ T10] __sys_sendmsg+0xcd/0x170 [ 1605.506739][ T10] do_syscall_64+0xc6/0x1e0 [ 1605.506739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.506739][ T10] [ 1615.749894][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1615.750415][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1615.750415][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.750415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.750415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.750415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.750415][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.750415][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.750415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.750415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.750415][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.750415][ T10] netlink_unicast+0x449/0x710 [ 1615.750415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.750415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.750415][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.750415][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.750415][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.750415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.750415][ T10] [ 1615.752444][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1615.752444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.752444][ T10] ipv6_find_idev+0x102/0x170 [ 1615.752444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.752444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.752444][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.752444][ T10] netlink_unicast+0x449/0x710 [ 1615.752444][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.752444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.752444][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.752444][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.752444][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.752444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.752444][ T10] [ 1615.754001][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1615.754001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.754001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.754001][ T10] ipv6_find_idev+0x102/0x170 [ 1615.754001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.754001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.754001][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.754001][ T10] netlink_unicast+0x449/0x710 [ 1615.754001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.754001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.754001][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.754001][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.754001][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.754001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.754001][ T10] [ 1615.755721][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1615.756017][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1615.756017][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.756017][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.756017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.756017][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.756017][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.756017][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.756017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.756017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.756017][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.756017][ T10] netlink_unicast+0x449/0x710 [ 1615.756017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.756017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.756017][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.756017][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.756017][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.756017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.756017][ T10] [ 1615.758114][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1615.758114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.758114][ T10] ipv6_find_idev+0x102/0x170 [ 1615.758114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.758114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.758114][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.758114][ T10] netlink_unicast+0x449/0x710 [ 1615.758114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.758114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.758114][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.758114][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.758114][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.758114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.758114][ T10] [ 1615.759667][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1615.759667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.759667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.759667][ T10] ipv6_find_idev+0x102/0x170 [ 1615.759667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.759667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.759667][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.759667][ T10] netlink_unicast+0x449/0x710 [ 1615.759667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.759667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.759667][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.759667][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.759667][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.759667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.759667][ T10] [ 1615.761366][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1615.761643][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1615.761643][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.761643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.761643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.761643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.761643][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.761643][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.761643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.761643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.761643][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.761643][ T10] netlink_unicast+0x449/0x710 [ 1615.761643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.761643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.761643][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.761643][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.761643][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.761643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.761643][ T10] [ 1615.763646][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1615.763646][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.763646][ T10] ipv6_find_idev+0x102/0x170 [ 1615.763646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.763646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.763646][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.763646][ T10] netlink_unicast+0x449/0x710 [ 1615.763646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.763646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.763646][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.763646][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.763646][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.763646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.763646][ T10] [ 1615.765195][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1615.765195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.765195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.765195][ T10] ipv6_find_idev+0x102/0x170 [ 1615.765195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.765195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.765195][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.765195][ T10] netlink_unicast+0x449/0x710 [ 1615.765195][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.765195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.765195][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.765195][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.765195][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.765195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.765195][ T10] [ 1615.766895][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1615.767161][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1615.767161][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.767161][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.767161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.767161][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.767161][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.767161][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.767161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.767161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.767161][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.767161][ T10] netlink_unicast+0x449/0x710 [ 1615.767161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.767161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.767161][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.767161][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.767161][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.767161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.767161][ T10] [ 1615.769154][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1615.769154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.769154][ T10] ipv6_find_idev+0x102/0x170 [ 1615.769154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.769154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.769154][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.769154][ T10] netlink_unicast+0x449/0x710 [ 1615.769154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.769154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.769154][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.769154][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.769154][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.769154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.769154][ T10] [ 1615.770704][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1615.770704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.770704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.770704][ T10] ipv6_find_idev+0x102/0x170 [ 1615.770704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.770704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.770704][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.770704][ T10] netlink_unicast+0x449/0x710 [ 1615.770704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.770704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.770704][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.770704][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.770704][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.770704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.770704][ T10] [ 1615.772815][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1615.773079][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1615.773079][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.773079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.773079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.773079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.773079][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.773079][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.773079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.773079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.773079][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.773079][ T10] netlink_unicast+0x449/0x710 [ 1615.773079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.773079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.773079][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.773079][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.773079][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.773079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.773079][ T10] [ 1615.775080][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1615.775080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.775080][ T10] ipv6_find_idev+0x102/0x170 [ 1615.775080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.775080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.775080][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.775080][ T10] netlink_unicast+0x449/0x710 [ 1615.775080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.775080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.775080][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.775080][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.775080][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.775080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.775080][ T10] [ 1615.776621][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1615.776621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.776621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.776621][ T10] ipv6_find_idev+0x102/0x170 [ 1615.776621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.776621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.776621][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.776621][ T10] netlink_unicast+0x449/0x710 [ 1615.776621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.776621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.776621][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.776621][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.776621][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.776621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.776621][ T10] [ 1615.778340][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1615.778605][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1615.778605][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.778605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.778605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.778605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.778605][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.778605][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.778605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.778605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.778605][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.778605][ T10] netlink_unicast+0x449/0x710 [ 1615.778605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.778605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.778605][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.778605][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.778605][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.778605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.778605][ T10] [ 1615.780735][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1615.780735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.780735][ T10] ipv6_find_idev+0x102/0x170 [ 1615.780735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.780735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.780735][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.780735][ T10] netlink_unicast+0x449/0x710 [ 1615.780735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.780735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.780735][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.780735][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.780735][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.780735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.780735][ T10] [ 1615.782455][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1615.782455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.782455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.782455][ T10] ipv6_find_idev+0x102/0x170 [ 1615.782455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.782455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.782455][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.782455][ T10] netlink_unicast+0x449/0x710 [ 1615.782455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.782455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.782455][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.782455][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.782455][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.782455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.782455][ T10] [ 1615.784425][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1615.784687][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1615.784687][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.784687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.784687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.784687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.784687][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.784687][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.784687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.784687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.784687][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.784687][ T10] netlink_unicast+0x449/0x710 [ 1615.784687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.784687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.784687][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.784687][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.784687][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.784687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.784687][ T10] [ 1615.786922][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1615.786922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.786922][ T10] ipv6_find_idev+0x102/0x170 [ 1615.786922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.786922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.786922][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.786922][ T10] netlink_unicast+0x449/0x710 [ 1615.786922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.786922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.786922][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.786922][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.786922][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.786922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.786922][ T10] [ 1615.788642][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1615.788642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.788642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.788642][ T10] ipv6_find_idev+0x102/0x170 [ 1615.788642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.788642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.788642][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.788642][ T10] netlink_unicast+0x449/0x710 [ 1615.788642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.788642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.788642][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.788642][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.788642][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.788642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.788642][ T10] [ 1615.790544][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1615.790809][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1615.790809][ T10] netdev_get_by_index+0x5e/0x80 [ 1615.790809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1615.790809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1615.790809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1615.790809][ T10] ipv6_add_addr+0x411/0x2000 [ 1615.790809][ T10] inet6_addr_add+0x30e/0xa40 [ 1615.790809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.790809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.790809][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.790809][ T10] netlink_unicast+0x449/0x710 [ 1615.790809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.790809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.790809][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.790809][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.790809][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.790809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.790809][ T10] [ 1615.793061][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1615.793061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1615.793061][ T10] ipv6_find_idev+0x102/0x170 [ 1615.793061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.793061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.793061][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.793061][ T10] netlink_unicast+0x449/0x710 [ 1615.793061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.793061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.793061][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.793061][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.793061][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.793061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.793061][ T10] [ 1615.794786][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1615.794786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1615.794786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1615.794786][ T10] ipv6_find_idev+0x102/0x170 [ 1615.794786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.794786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.794786][ T10] netlink_rcv_skb+0x130/0x360 [ 1615.794786][ T10] netlink_unicast+0x449/0x710 [ 1615.794786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1615.794786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1615.794786][ T10] ___sys_sendmsg+0xee/0x170 [ 1615.794786][ T10] __sys_sendmsg+0xcd/0x170 [ 1615.794786][ T10] do_syscall_64+0xc6/0x1e0 [ 1615.794786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.794786][ T10] [ 1626.037824][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1626.038322][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1626.038322][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.038322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.038322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.038322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.038322][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.038322][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.038322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.038322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.038322][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.038322][ T10] netlink_unicast+0x449/0x710 [ 1626.038322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.038322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.038322][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.038322][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.038322][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.038322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.038322][ T10] [ 1626.040356][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1626.040356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.040356][ T10] ipv6_find_idev+0x102/0x170 [ 1626.040356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.040356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.040356][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.040356][ T10] netlink_unicast+0x449/0x710 [ 1626.040356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.040356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.040356][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.040356][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.040356][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.040356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.040356][ T10] [ 1626.041902][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1626.041902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.041902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.041902][ T10] ipv6_find_idev+0x102/0x170 [ 1626.041902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.041902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.041902][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.041902][ T10] netlink_unicast+0x449/0x710 [ 1626.041902][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.041902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.041902][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.041902][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.041902][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.041902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.041902][ T10] [ 1626.043601][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1626.043893][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1626.043893][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.043893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.043893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.043893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.043893][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.043893][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.043893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.043893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.043893][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.043893][ T10] netlink_unicast+0x449/0x710 [ 1626.043893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.043893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.043893][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.043893][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.043893][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.043893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.043893][ T10] [ 1626.046430][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1626.046430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.046430][ T10] ipv6_find_idev+0x102/0x170 [ 1626.046430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.046430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.046430][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.046430][ T10] netlink_unicast+0x449/0x710 [ 1626.046430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.046430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.046430][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.046430][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.046430][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.046430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.046430][ T10] [ 1626.047980][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1626.047980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.047980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.047980][ T10] ipv6_find_idev+0x102/0x170 [ 1626.047980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.047980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.047980][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.047980][ T10] netlink_unicast+0x449/0x710 [ 1626.047980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.047980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.047980][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.047980][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.047980][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.047980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.047980][ T10] [ 1626.049679][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1626.050390][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1626.050390][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.050390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.050390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.050390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.050390][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.050390][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.050390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.050390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.050390][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.050390][ T10] netlink_unicast+0x449/0x710 [ 1626.050390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.050390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.050390][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.050390][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.050390][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.050390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.050390][ T10] [ 1626.052396][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1626.052396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.052396][ T10] ipv6_find_idev+0x102/0x170 [ 1626.052396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.052396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.052396][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.052396][ T10] netlink_unicast+0x449/0x710 [ 1626.052396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.052396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.052396][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.052396][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.052396][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.052396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.052396][ T10] [ 1626.053942][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1626.053942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.053942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.053942][ T10] ipv6_find_idev+0x102/0x170 [ 1626.053942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.053942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.053942][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.053942][ T10] netlink_unicast+0x449/0x710 [ 1626.053942][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.053942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.053942][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.053942][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.053942][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.053942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.053942][ T10] [ 1626.055678][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1626.055998][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1626.055998][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.055998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.055998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.055998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.055998][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.055998][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.055998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.055998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.055998][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.055998][ T10] netlink_unicast+0x449/0x710 [ 1626.055998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.055998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.055998][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.055998][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.055998][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.055998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.055998][ T10] [ 1626.058007][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1626.058007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.058007][ T10] ipv6_find_idev+0x102/0x170 [ 1626.058007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.058007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.058007][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.058007][ T10] netlink_unicast+0x449/0x710 [ 1626.058007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.058007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.058007][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.058007][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.058007][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.058007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.058007][ T10] [ 1626.059558][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1626.059558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.059558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.059558][ T10] ipv6_find_idev+0x102/0x170 [ 1626.059558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.059558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.059558][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.059558][ T10] netlink_unicast+0x449/0x710 [ 1626.059558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.059558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.059558][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.059558][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.059558][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.059558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.059558][ T10] [ 1626.061680][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1626.062001][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1626.062001][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.062001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.062001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.062001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.062001][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.062001][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.062001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.062001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.062001][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.062001][ T10] netlink_unicast+0x449/0x710 [ 1626.062001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.062001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.062001][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.062001][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.062001][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.062001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.062001][ T10] [ 1626.064014][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1626.064014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.064014][ T10] ipv6_find_idev+0x102/0x170 [ 1626.064014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.064014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.064014][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.064014][ T10] netlink_unicast+0x449/0x710 [ 1626.064014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.064014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.064014][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.064014][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.064014][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.064014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.064014][ T10] [ 1626.065673][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1626.065673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.065673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.065673][ T10] ipv6_find_idev+0x102/0x170 [ 1626.065673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.065673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.065673][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.065673][ T10] netlink_unicast+0x449/0x710 [ 1626.065673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.065673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.065673][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.065673][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.065673][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.065673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.065673][ T10] [ 1626.067413][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1626.067676][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1626.067676][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.067676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.067676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.067676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.067676][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.067676][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.067676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.067676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.067676][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.067676][ T10] netlink_unicast+0x449/0x710 [ 1626.067676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.067676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.067676][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.067676][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.067676][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.067676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.067676][ T10] [ 1626.069688][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1626.069688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.069688][ T10] ipv6_find_idev+0x102/0x170 [ 1626.069688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.069688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.069688][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.069688][ T10] netlink_unicast+0x449/0x710 [ 1626.069688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.069688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.069688][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.069688][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.069688][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.069688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.069688][ T10] [ 1626.071356][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1626.071356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.071356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.071356][ T10] ipv6_find_idev+0x102/0x170 [ 1626.071356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.071356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.071356][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.071356][ T10] netlink_unicast+0x449/0x710 [ 1626.071356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.071356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.071356][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.071356][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.071356][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.071356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.071356][ T10] [ 1626.073386][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1626.073651][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1626.073651][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.073651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.073651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.073651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.073651][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.073651][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.073651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.073651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.073651][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.073651][ T10] netlink_unicast+0x449/0x710 [ 1626.073651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.073651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.073651][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.073651][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.073651][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.073651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.073651][ T10] [ 1626.075834][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1626.075834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.075834][ T10] ipv6_find_idev+0x102/0x170 [ 1626.075834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.075834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.075834][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.075834][ T10] netlink_unicast+0x449/0x710 [ 1626.075834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.075834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.075834][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.075834][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.075834][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.075834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.075834][ T10] [ 1626.077557][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1626.077557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.077557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.077557][ T10] ipv6_find_idev+0x102/0x170 [ 1626.077557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.077557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.077557][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.077557][ T10] netlink_unicast+0x449/0x710 [ 1626.077557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.077557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.077557][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.077557][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.077557][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.077557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.077557][ T10] [ 1626.079512][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1626.079776][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1626.079776][ T10] netdev_get_by_index+0x5e/0x80 [ 1626.079776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1626.079776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1626.079776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1626.079776][ T10] ipv6_add_addr+0x411/0x2000 [ 1626.079776][ T10] inet6_addr_add+0x30e/0xa40 [ 1626.079776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.079776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.079776][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.079776][ T10] netlink_unicast+0x449/0x710 [ 1626.079776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.079776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.079776][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.079776][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.079776][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.079776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.079776][ T10] [ 1626.081962][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1626.081962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1626.081962][ T10] ipv6_find_idev+0x102/0x170 [ 1626.081962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.081962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.081962][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.081962][ T10] netlink_unicast+0x449/0x710 [ 1626.081962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.081962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.081962][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.081962][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.081962][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.081962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.081962][ T10] [ 1626.083746][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1626.083746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1626.083746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1626.083746][ T10] ipv6_find_idev+0x102/0x170 [ 1626.083746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.083746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.083746][ T10] netlink_rcv_skb+0x130/0x360 [ 1626.083746][ T10] netlink_unicast+0x449/0x710 [ 1626.083746][ T10] netlink_sendmsg+0x723/0xbe0 [ 1626.083746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1626.083746][ T10] ___sys_sendmsg+0xee/0x170 [ 1626.083746][ T10] __sys_sendmsg+0xcd/0x170 [ 1626.083746][ T10] do_syscall_64+0xc6/0x1e0 [ 1626.083746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.083746][ T10] [ 1636.325895][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1636.326386][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1636.326386][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.326386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.326386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.326386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.326386][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.326386][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.326386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.326386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.326386][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.326386][ T10] netlink_unicast+0x449/0x710 [ 1636.326386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.326386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.326386][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.326386][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.326386][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.326386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.326386][ T10] [ 1636.328428][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1636.328428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.328428][ T10] ipv6_find_idev+0x102/0x170 [ 1636.328428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.328428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.328428][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.328428][ T10] netlink_unicast+0x449/0x710 [ 1636.328428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.328428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.328428][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.328428][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.328428][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.328428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.328428][ T10] [ 1636.329985][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1636.329985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.329985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.329985][ T10] ipv6_find_idev+0x102/0x170 [ 1636.329985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.329985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.329985][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.329985][ T10] netlink_unicast+0x449/0x710 [ 1636.329985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.329985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.329985][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.329985][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.329985][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.329985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.329985][ T10] [ 1636.331684][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1636.331988][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1636.331988][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.331988][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.331988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.331988][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.331988][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.331988][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.331988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.331988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.331988][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.331988][ T10] netlink_unicast+0x449/0x710 [ 1636.331988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.331988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.331988][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.331988][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.331988][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.331988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.331988][ T10] [ 1636.334115][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1636.334115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.334115][ T10] ipv6_find_idev+0x102/0x170 [ 1636.334115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.334115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.334115][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.334115][ T10] netlink_unicast+0x449/0x710 [ 1636.334115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.334115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.334115][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.334115][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.334115][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.334115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.334115][ T10] [ 1636.335686][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1636.335686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.335686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.335686][ T10] ipv6_find_idev+0x102/0x170 [ 1636.335686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.335686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.335686][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.335686][ T10] netlink_unicast+0x449/0x710 [ 1636.335686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.335686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.335686][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.335686][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.335686][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.335686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.335686][ T10] [ 1636.337377][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1636.337645][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1636.337645][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.337645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.337645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.337645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.337645][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.337645][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.337645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.337645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.337645][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.337645][ T10] netlink_unicast+0x449/0x710 [ 1636.337645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.337645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.337645][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.337645][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.337645][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.337645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.337645][ T10] [ 1636.339642][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1636.339642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.339642][ T10] ipv6_find_idev+0x102/0x170 [ 1636.339642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.339642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.339642][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.339642][ T10] netlink_unicast+0x449/0x710 [ 1636.339642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.339642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.339642][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.339642][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.339642][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.339642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.339642][ T10] [ 1636.341185][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1636.341185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.341185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.341185][ T10] ipv6_find_idev+0x102/0x170 [ 1636.341185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.341185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.341185][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.341185][ T10] netlink_unicast+0x449/0x710 [ 1636.341185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.341185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.341185][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.341185][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.341185][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.341185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.341185][ T10] [ 1636.343266][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1636.343535][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1636.343535][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.343535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.343535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.343535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.343535][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.343535][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.343535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.343535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.343535][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.343535][ T10] netlink_unicast+0x449/0x710 [ 1636.343535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.343535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.343535][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.343535][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.343535][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.343535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.343535][ T10] [ 1636.345535][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1636.345535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.345535][ T10] ipv6_find_idev+0x102/0x170 [ 1636.345535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.345535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.345535][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.345535][ T10] netlink_unicast+0x449/0x710 [ 1636.345535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.345535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.345535][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.345535][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.345535][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.345535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.345535][ T10] [ 1636.347064][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1636.347064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.347064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.347064][ T10] ipv6_find_idev+0x102/0x170 [ 1636.347064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.347064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.347064][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.347064][ T10] netlink_unicast+0x449/0x710 [ 1636.347064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.347064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.347064][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.347064][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.347064][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.347064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.347064][ T10] [ 1636.348801][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1636.349071][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1636.349071][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.349071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.349071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.349071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.349071][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.349071][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.349071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.349071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.349071][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.349071][ T10] netlink_unicast+0x449/0x710 [ 1636.349071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.349071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.349071][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.349071][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.349071][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.349071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.349071][ T10] [ 1636.351071][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1636.351071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.351071][ T10] ipv6_find_idev+0x102/0x170 [ 1636.351071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.351071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.351071][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.351071][ T10] netlink_unicast+0x449/0x710 [ 1636.351071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.351071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.351071][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.351071][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.351071][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.351071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.351071][ T10] [ 1636.352618][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1636.352618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.352618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.352618][ T10] ipv6_find_idev+0x102/0x170 [ 1636.352618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.352618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.352618][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.352618][ T10] netlink_unicast+0x449/0x710 [ 1636.352618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.352618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.352618][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.352618][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.352618][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.352618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.352618][ T10] [ 1636.354345][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1636.354619][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1636.354619][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.354619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.354619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.354619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.354619][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.354619][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.354619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.354619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.354619][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.354619][ T10] netlink_unicast+0x449/0x710 [ 1636.354619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.354619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.354619][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.354619][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.354619][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.354619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.354619][ T10] [ 1636.356679][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1636.356679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.356679][ T10] ipv6_find_idev+0x102/0x170 [ 1636.356679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.356679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.356679][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.356679][ T10] netlink_unicast+0x449/0x710 [ 1636.356679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.356679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.356679][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.356679][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.356679][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.356679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.356679][ T10] [ 1636.358400][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1636.358400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.358400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.358400][ T10] ipv6_find_idev+0x102/0x170 [ 1636.358400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.358400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.358400][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.358400][ T10] netlink_unicast+0x449/0x710 [ 1636.358400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.358400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.358400][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.358400][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.358400][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.358400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.358400][ T10] [ 1636.360373][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1636.360636][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1636.360636][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.360636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.360636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.360636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.360636][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.360636][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.360636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.360636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.360636][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.360636][ T10] netlink_unicast+0x449/0x710 [ 1636.360636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.360636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.360636][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.360636][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.360636][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.360636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.360636][ T10] [ 1636.362824][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1636.362824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.362824][ T10] ipv6_find_idev+0x102/0x170 [ 1636.362824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.362824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.362824][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.362824][ T10] netlink_unicast+0x449/0x710 [ 1636.362824][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.362824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.362824][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.362824][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.362824][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.362824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.362824][ T10] [ 1636.364669][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1636.364669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.364669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.364669][ T10] ipv6_find_idev+0x102/0x170 [ 1636.364669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.364669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.364669][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.364669][ T10] netlink_unicast+0x449/0x710 [ 1636.364669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.364669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.364669][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.364669][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.364669][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.364669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.364669][ T10] [ 1636.366586][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1636.366913][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1636.366913][ T10] netdev_get_by_index+0x5e/0x80 [ 1636.366913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1636.366913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1636.366913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1636.366913][ T10] ipv6_add_addr+0x411/0x2000 [ 1636.366913][ T10] inet6_addr_add+0x30e/0xa40 [ 1636.366913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.366913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.366913][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.366913][ T10] netlink_unicast+0x449/0x710 [ 1636.366913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.366913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.366913][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.366913][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.366913][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.366913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.366913][ T10] [ 1636.369093][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1636.369093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1636.369093][ T10] ipv6_find_idev+0x102/0x170 [ 1636.369093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.369093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.369093][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.369093][ T10] netlink_unicast+0x449/0x710 [ 1636.369093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.369093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.369093][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.369093][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.369093][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.369093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.369093][ T10] [ 1636.370878][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1636.370878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1636.370878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1636.370878][ T10] ipv6_find_idev+0x102/0x170 [ 1636.370878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.370878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.370878][ T10] netlink_rcv_skb+0x130/0x360 [ 1636.370878][ T10] netlink_unicast+0x449/0x710 [ 1636.370878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1636.370878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1636.370878][ T10] ___sys_sendmsg+0xee/0x170 [ 1636.370878][ T10] __sys_sendmsg+0xcd/0x170 [ 1636.370878][ T10] do_syscall_64+0xc6/0x1e0 [ 1636.370878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.370878][ T10] [ 1646.565888][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1646.566375][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1646.566375][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.566375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.566375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.566375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.566375][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.566375][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.566375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.566375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.566375][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.566375][ T10] netlink_unicast+0x449/0x710 [ 1646.566375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.566375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.566375][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.566375][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.566375][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.566375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.566375][ T10] [ 1646.568383][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1646.568383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.568383][ T10] ipv6_find_idev+0x102/0x170 [ 1646.568383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.568383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.568383][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.568383][ T10] netlink_unicast+0x449/0x710 [ 1646.568383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.568383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.568383][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.568383][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.568383][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.568383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.568383][ T10] [ 1646.569913][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1646.569913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.569913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.569913][ T10] ipv6_find_idev+0x102/0x170 [ 1646.569913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.569913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.569913][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.569913][ T10] netlink_unicast+0x449/0x710 [ 1646.569913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.569913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.569913][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.569913][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.569913][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.569913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.569913][ T10] [ 1646.571608][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1646.571894][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1646.571894][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.571894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.571894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.571894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.571894][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.571894][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.571894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.571894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.571894][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.571894][ T10] netlink_unicast+0x449/0x710 [ 1646.571894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.571894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.571894][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.571894][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.571894][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.571894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.571894][ T10] [ 1646.574011][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1646.574011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.574011][ T10] ipv6_find_idev+0x102/0x170 [ 1646.574011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.574011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.574011][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.574011][ T10] netlink_unicast+0x449/0x710 [ 1646.574011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.574011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.574011][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.574011][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.574011][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.574011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.574011][ T10] [ 1646.575549][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1646.575549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.575549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.575549][ T10] ipv6_find_idev+0x102/0x170 [ 1646.575549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.575549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.575549][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.575549][ T10] netlink_unicast+0x449/0x710 [ 1646.575549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.575549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.575549][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.575549][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.575549][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.575549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.575549][ T10] [ 1646.577372][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1646.577641][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1646.577641][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.577641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.577641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.577641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.577641][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.577641][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.577641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.577641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.577641][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.577641][ T10] netlink_unicast+0x449/0x710 [ 1646.577641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.577641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.577641][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.577641][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.577641][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.577641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.577641][ T10] [ 1646.579613][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1646.579613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.579613][ T10] ipv6_find_idev+0x102/0x170 [ 1646.579613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.579613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.579613][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.579613][ T10] netlink_unicast+0x449/0x710 [ 1646.579613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.579613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.579613][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.579613][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.579613][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.579613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.579613][ T10] [ 1646.581136][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1646.581136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.581136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.581136][ T10] ipv6_find_idev+0x102/0x170 [ 1646.581136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.581136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.581136][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.581136][ T10] netlink_unicast+0x449/0x710 [ 1646.581136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.581136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.581136][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.581136][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.581136][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.581136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.581136][ T10] [ 1646.582804][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1646.583066][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1646.583066][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.583066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.583066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.583066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.583066][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.583066][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.583066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.583066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.583066][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.583066][ T10] netlink_unicast+0x449/0x710 [ 1646.583066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.583066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.583066][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.583066][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.583066][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.583066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.583066][ T10] [ 1646.585046][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1646.585046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.585046][ T10] ipv6_find_idev+0x102/0x170 [ 1646.585046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.585046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.585046][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.585046][ T10] netlink_unicast+0x449/0x710 [ 1646.585046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.585046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.585046][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.585046][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.585046][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.585046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.585046][ T10] [ 1646.586563][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1646.586563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.586563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.586563][ T10] ipv6_find_idev+0x102/0x170 [ 1646.586563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.586563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.586563][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.586563][ T10] netlink_unicast+0x449/0x710 [ 1646.586563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.586563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.586563][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.586563][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.586563][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.586563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.586563][ T10] [ 1646.588633][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1646.589259][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1646.589259][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.589259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.589259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.589259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.589259][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.589259][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.589259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.589259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.589259][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.589259][ T10] netlink_unicast+0x449/0x710 [ 1646.589259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.589259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.589259][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.589259][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.589259][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.589259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.589259][ T10] [ 1646.591221][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1646.591221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.591221][ T10] ipv6_find_idev+0x102/0x170 [ 1646.591221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.591221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.591221][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.591221][ T10] netlink_unicast+0x449/0x710 [ 1646.591221][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.591221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.591221][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.591221][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.591221][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.591221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.591221][ T10] [ 1646.592741][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1646.592741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.592741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.592741][ T10] ipv6_find_idev+0x102/0x170 [ 1646.592741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.592741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.592741][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.592741][ T10] netlink_unicast+0x449/0x710 [ 1646.592741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.592741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.592741][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.592741][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.592741][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.592741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.592741][ T10] [ 1646.594411][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1646.594669][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1646.594669][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.594669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.594669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.594669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.594669][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.594669][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.594669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.594669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.594669][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.594669][ T10] netlink_unicast+0x449/0x710 [ 1646.594669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.594669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.594669][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.594669][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.594669][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.594669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.594669][ T10] [ 1646.596651][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1646.596651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.596651][ T10] ipv6_find_idev+0x102/0x170 [ 1646.596651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.596651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.596651][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.596651][ T10] netlink_unicast+0x449/0x710 [ 1646.596651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.596651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.596651][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.596651][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.596651][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.596651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.596651][ T10] [ 1646.598241][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1646.598241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.598241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.598241][ T10] ipv6_find_idev+0x102/0x170 [ 1646.598241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.598241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.598241][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.598241][ T10] netlink_unicast+0x449/0x710 [ 1646.598241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.598241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.598241][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.598241][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.598241][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.598241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.598241][ T10] [ 1646.600010][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1646.600275][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1646.600275][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.600275][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.600275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.600275][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.600275][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.600275][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.600275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.600275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.600275][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.600275][ T10] netlink_unicast+0x449/0x710 [ 1646.600275][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.600275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.600275][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.600275][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.600275][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.600275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.600275][ T10] [ 1646.602374][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1646.602374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.602374][ T10] ipv6_find_idev+0x102/0x170 [ 1646.602374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.602374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.602374][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.602374][ T10] netlink_unicast+0x449/0x710 [ 1646.602374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.602374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.602374][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.602374][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.602374][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.602374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.602374][ T10] [ 1646.604040][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1646.604040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.604040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.604040][ T10] ipv6_find_idev+0x102/0x170 [ 1646.604040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.604040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.604040][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.604040][ T10] netlink_unicast+0x449/0x710 [ 1646.604040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.604040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.604040][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.604040][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.604040][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.604040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.604040][ T10] [ 1646.605805][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1646.606064][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1646.606064][ T10] netdev_get_by_index+0x5e/0x80 [ 1646.606064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1646.606064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1646.606064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1646.606064][ T10] ipv6_add_addr+0x411/0x2000 [ 1646.606064][ T10] inet6_addr_add+0x30e/0xa40 [ 1646.606064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.606064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.606064][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.606064][ T10] netlink_unicast+0x449/0x710 [ 1646.606064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.606064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.606064][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.606064][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.606064][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.606064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.606064][ T10] [ 1646.608173][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1646.608173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1646.608173][ T10] ipv6_find_idev+0x102/0x170 [ 1646.608173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.608173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.608173][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.608173][ T10] netlink_unicast+0x449/0x710 [ 1646.608173][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.608173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.608173][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.608173][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.608173][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.608173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.608173][ T10] [ 1646.609819][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1646.609819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1646.609819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1646.609819][ T10] ipv6_find_idev+0x102/0x170 [ 1646.609819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.609819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.609819][ T10] netlink_rcv_skb+0x130/0x360 [ 1646.609819][ T10] netlink_unicast+0x449/0x710 [ 1646.609819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1646.609819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1646.609819][ T10] ___sys_sendmsg+0xee/0x170 [ 1646.609819][ T10] __sys_sendmsg+0xcd/0x170 [ 1646.609819][ T10] do_syscall_64+0xc6/0x1e0 [ 1646.609819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.609819][ T10] [ 1656.853896][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1656.854383][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1656.854383][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.854383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.854383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.854383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.854383][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.854383][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.854383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.854383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.854383][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.854383][ T10] netlink_unicast+0x449/0x710 [ 1656.854383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.854383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.854383][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.854383][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.854383][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.854383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.854383][ T10] [ 1656.856398][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1656.856398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.856398][ T10] ipv6_find_idev+0x102/0x170 [ 1656.856398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.856398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.856398][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.856398][ T10] netlink_unicast+0x449/0x710 [ 1656.856398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.856398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.856398][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.856398][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.856398][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.856398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.856398][ T10] [ 1656.857943][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1656.857943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.857943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.857943][ T10] ipv6_find_idev+0x102/0x170 [ 1656.857943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.857943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.857943][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.857943][ T10] netlink_unicast+0x449/0x710 [ 1656.857943][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.857943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.857943][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.857943][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.857943][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.857943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.857943][ T10] [ 1656.859628][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1656.859908][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1656.859908][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.859908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.859908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.859908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.859908][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.859908][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.859908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.859908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.859908][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.859908][ T10] netlink_unicast+0x449/0x710 [ 1656.859908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.859908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.859908][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.859908][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.859908][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.859908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.859908][ T10] [ 1656.861887][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1656.861887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.861887][ T10] ipv6_find_idev+0x102/0x170 [ 1656.861887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.861887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.861887][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.861887][ T10] netlink_unicast+0x449/0x710 [ 1656.861887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.861887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.861887][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.861887][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.861887][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.861887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.861887][ T10] [ 1656.863410][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1656.863410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.863410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.863410][ T10] ipv6_find_idev+0x102/0x170 [ 1656.863410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.863410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.863410][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.863410][ T10] netlink_unicast+0x449/0x710 [ 1656.863410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.863410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.863410][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.863410][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.863410][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.863410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.863410][ T10] [ 1656.865086][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1656.865349][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1656.865349][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.865349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.865349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.865349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.865349][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.865349][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.865349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.865349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.865349][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.865349][ T10] netlink_unicast+0x449/0x710 [ 1656.865349][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.865349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.865349][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.865349][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.865349][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.865349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.865349][ T10] [ 1656.867336][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1656.867336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.867336][ T10] ipv6_find_idev+0x102/0x170 [ 1656.867336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.867336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.867336][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.867336][ T10] netlink_unicast+0x449/0x710 [ 1656.867336][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.867336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.867336][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.867336][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.867336][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.867336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.867336][ T10] [ 1656.868860][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1656.868860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.868860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.868860][ T10] ipv6_find_idev+0x102/0x170 [ 1656.868860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.868860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.868860][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.868860][ T10] netlink_unicast+0x449/0x710 [ 1656.868860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.868860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.868860][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.868860][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.868860][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.868860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.868860][ T10] [ 1656.870527][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1656.870791][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1656.870791][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.870791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.870791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.870791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.870791][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.870791][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.870791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.870791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.870791][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.870791][ T10] netlink_unicast+0x449/0x710 [ 1656.870791][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.870791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.870791][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.870791][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.870791][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.870791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.870791][ T10] [ 1656.872768][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1656.872768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.872768][ T10] ipv6_find_idev+0x102/0x170 [ 1656.872768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.872768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.872768][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.872768][ T10] netlink_unicast+0x449/0x710 [ 1656.872768][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.872768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.872768][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.872768][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.872768][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.872768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.872768][ T10] [ 1656.874296][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1656.874296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.874296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.874296][ T10] ipv6_find_idev+0x102/0x170 [ 1656.874296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.874296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.874296][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.874296][ T10] netlink_unicast+0x449/0x710 [ 1656.874296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.874296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.874296][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.874296][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.874296][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.874296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.874296][ T10] [ 1656.876360][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1656.876622][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1656.876622][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.876622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.876622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.876622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.876622][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.876622][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.876622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.876622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.876622][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.876622][ T10] netlink_unicast+0x449/0x710 [ 1656.876622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.876622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.876622][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.876622][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.876622][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.876622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.876622][ T10] [ 1656.878590][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1656.878590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.878590][ T10] ipv6_find_idev+0x102/0x170 [ 1656.878590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.878590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.878590][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.878590][ T10] netlink_unicast+0x449/0x710 [ 1656.878590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.878590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.878590][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.878590][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.878590][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.878590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.878590][ T10] [ 1656.880113][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1656.880113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.880113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.880113][ T10] ipv6_find_idev+0x102/0x170 [ 1656.880113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.880113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.880113][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.880113][ T10] netlink_unicast+0x449/0x710 [ 1656.880113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.880113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.880113][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.880113][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.880113][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.880113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.880113][ T10] [ 1656.881871][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1656.882141][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1656.882141][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.882141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.882141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.882141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.882141][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.882141][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.882141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.882141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.882141][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.882141][ T10] netlink_unicast+0x449/0x710 [ 1656.882141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.882141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.882141][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.882141][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.882141][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.882141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.882141][ T10] [ 1656.884369][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1656.884369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.884369][ T10] ipv6_find_idev+0x102/0x170 [ 1656.884369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.884369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.884369][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.884369][ T10] netlink_unicast+0x449/0x710 [ 1656.884369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.884369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.884369][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.884369][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.884369][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.884369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.884369][ T10] [ 1656.886077][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1656.886077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.886077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.886077][ T10] ipv6_find_idev+0x102/0x170 [ 1656.886077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.886077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.886077][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.886077][ T10] netlink_unicast+0x449/0x710 [ 1656.886077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.886077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.886077][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.886077][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.886077][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.886077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.886077][ T10] [ 1656.888025][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1656.888286][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1656.888286][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.888286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.888286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.888286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.888286][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.888286][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.888286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.888286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.888286][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.888286][ T10] netlink_unicast+0x449/0x710 [ 1656.888286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.888286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.888286][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.888286][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.888286][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.888286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.888286][ T10] [ 1656.890443][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1656.890443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.890443][ T10] ipv6_find_idev+0x102/0x170 [ 1656.890443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.890443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.890443][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.890443][ T10] netlink_unicast+0x449/0x710 [ 1656.890443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.890443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.890443][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.890443][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.890443][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.890443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.890443][ T10] [ 1656.892218][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1656.892218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.892218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.892218][ T10] ipv6_find_idev+0x102/0x170 [ 1656.892218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.892218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.892218][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.892218][ T10] netlink_unicast+0x449/0x710 [ 1656.892218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.892218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.892218][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.892218][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.892218][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.892218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.892218][ T10] [ 1656.894103][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1656.894363][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1656.894363][ T10] netdev_get_by_index+0x5e/0x80 [ 1656.894363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1656.894363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1656.894363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1656.894363][ T10] ipv6_add_addr+0x411/0x2000 [ 1656.894363][ T10] inet6_addr_add+0x30e/0xa40 [ 1656.894363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.894363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.894363][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.894363][ T10] netlink_unicast+0x449/0x710 [ 1656.894363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.894363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.894363][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.894363][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.894363][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.894363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.894363][ T10] [ 1656.896576][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1656.896576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1656.896576][ T10] ipv6_find_idev+0x102/0x170 [ 1656.896576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.896576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.896576][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.896576][ T10] netlink_unicast+0x449/0x710 [ 1656.896576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.896576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.896576][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.896576][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.896576][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.896576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.896576][ T10] [ 1656.898272][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1656.898272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1656.898272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1656.898272][ T10] ipv6_find_idev+0x102/0x170 [ 1656.898272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.898272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.898272][ T10] netlink_rcv_skb+0x130/0x360 [ 1656.898272][ T10] netlink_unicast+0x449/0x710 [ 1656.898272][ T10] netlink_sendmsg+0x723/0xbe0 [ 1656.898272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1656.898272][ T10] ___sys_sendmsg+0xee/0x170 [ 1656.898272][ T10] __sys_sendmsg+0xcd/0x170 [ 1656.898272][ T10] do_syscall_64+0xc6/0x1e0 [ 1656.898272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.898272][ T10] [ 1667.141887][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1667.142403][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1667.142403][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.142403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.142403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.142403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.142403][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.142403][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.142403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.142403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.142403][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.142403][ T10] netlink_unicast+0x449/0x710 [ 1667.142403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.142403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.142403][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.142403][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.142403][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.142403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.142403][ T10] [ 1667.144444][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1667.144444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.144444][ T10] ipv6_find_idev+0x102/0x170 [ 1667.144444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.144444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.144444][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.144444][ T10] netlink_unicast+0x449/0x710 [ 1667.144444][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.144444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.144444][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.144444][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.144444][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.144444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.144444][ T10] [ 1667.145988][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1667.145988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.145988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.145988][ T10] ipv6_find_idev+0x102/0x170 [ 1667.145988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.145988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.145988][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.145988][ T10] netlink_unicast+0x449/0x710 [ 1667.145988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.145988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.145988][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.145988][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.145988][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.145988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.145988][ T10] [ 1667.147703][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1667.147986][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1667.147986][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.147986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.147986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.147986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.147986][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.147986][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.147986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.147986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.147986][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.147986][ T10] netlink_unicast+0x449/0x710 [ 1667.147986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.147986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.147986][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.147986][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.147986][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.147986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.147986][ T10] [ 1667.149986][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1667.149986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.149986][ T10] ipv6_find_idev+0x102/0x170 [ 1667.149986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.149986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.149986][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.149986][ T10] netlink_unicast+0x449/0x710 [ 1667.149986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.149986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.149986][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.149986][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.149986][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.149986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.149986][ T10] [ 1667.151524][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1667.151524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.151524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.151524][ T10] ipv6_find_idev+0x102/0x170 [ 1667.151524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.151524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.151524][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.151524][ T10] netlink_unicast+0x449/0x710 [ 1667.151524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.151524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.151524][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.151524][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.151524][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.151524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.151524][ T10] [ 1667.153215][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1667.153485][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1667.153485][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.153485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.153485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.153485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.153485][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.153485][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.153485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.153485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.153485][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.153485][ T10] netlink_unicast+0x449/0x710 [ 1667.153485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.153485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.153485][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.153485][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.153485][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.153485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.153485][ T10] [ 1667.155500][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1667.155500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.155500][ T10] ipv6_find_idev+0x102/0x170 [ 1667.155500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.155500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.155500][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.155500][ T10] netlink_unicast+0x449/0x710 [ 1667.155500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.155500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.155500][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.155500][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.155500][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.155500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.155500][ T10] [ 1667.157053][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1667.157053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.157053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.157053][ T10] ipv6_find_idev+0x102/0x170 [ 1667.157053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.157053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.157053][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.157053][ T10] netlink_unicast+0x449/0x710 [ 1667.157053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.157053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.157053][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.157053][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.157053][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.157053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.157053][ T10] [ 1667.158740][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1667.159446][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1667.159446][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.159446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.159446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.159446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.159446][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.159446][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.159446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.159446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.159446][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.159446][ T10] netlink_unicast+0x449/0x710 [ 1667.159446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.159446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.159446][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.159446][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.159446][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.159446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.159446][ T10] [ 1667.161436][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1667.161436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.161436][ T10] ipv6_find_idev+0x102/0x170 [ 1667.161436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.161436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.161436][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.161436][ T10] netlink_unicast+0x449/0x710 [ 1667.161436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.161436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.161436][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.161436][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.161436][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.161436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.161436][ T10] [ 1667.162973][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1667.162973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.162973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.162973][ T10] ipv6_find_idev+0x102/0x170 [ 1667.162973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.162973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.162973][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.162973][ T10] netlink_unicast+0x449/0x710 [ 1667.162973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.162973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.162973][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.162973][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.162973][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.162973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.162973][ T10] [ 1667.164706][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1667.165026][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1667.165026][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.165026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.165026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.165026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.165026][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.165026][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.165026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.165026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.165026][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.165026][ T10] netlink_unicast+0x449/0x710 [ 1667.165026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.165026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.165026][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.165026][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.165026][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.165026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.165026][ T10] [ 1667.167020][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1667.167020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.167020][ T10] ipv6_find_idev+0x102/0x170 [ 1667.167020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.167020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.167020][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.167020][ T10] netlink_unicast+0x449/0x710 [ 1667.167020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.167020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.167020][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.167020][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.167020][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.167020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.167020][ T10] [ 1667.168567][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1667.168567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.168567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.168567][ T10] ipv6_find_idev+0x102/0x170 [ 1667.168567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.168567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.168567][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.168567][ T10] netlink_unicast+0x449/0x710 [ 1667.168567][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.168567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.168567][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.168567][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.168567][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.168567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.168567][ T10] [ 1667.170297][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1667.170604][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1667.170604][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.170604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.170604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.170604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.170604][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.170604][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.170604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.170604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.170604][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.170604][ T10] netlink_unicast+0x449/0x710 [ 1667.170604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.170604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.170604][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.170604][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.170604][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.170604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.170604][ T10] [ 1667.172667][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1667.172667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.172667][ T10] ipv6_find_idev+0x102/0x170 [ 1667.172667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.172667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.172667][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.172667][ T10] netlink_unicast+0x449/0x710 [ 1667.172667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.172667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.172667][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.172667][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.172667][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.172667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.172667][ T10] [ 1667.174388][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1667.174388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.174388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.174388][ T10] ipv6_find_idev+0x102/0x170 [ 1667.174388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.174388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.174388][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.174388][ T10] netlink_unicast+0x449/0x710 [ 1667.174388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.174388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.174388][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.174388][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.174388][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.174388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.174388][ T10] [ 1667.176291][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1667.176597][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1667.176597][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.176597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.176597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.176597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.176597][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.176597][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.176597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.176597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.176597][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.176597][ T10] netlink_unicast+0x449/0x710 [ 1667.176597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.176597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.176597][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.176597][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.176597][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.176597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.176597][ T10] [ 1667.178777][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1667.178777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.178777][ T10] ipv6_find_idev+0x102/0x170 [ 1667.178777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.178777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.178777][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.178777][ T10] netlink_unicast+0x449/0x710 [ 1667.178777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.178777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.178777][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.178777][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.178777][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.178777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.178777][ T10] [ 1667.180494][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1667.180494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.180494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.180494][ T10] ipv6_find_idev+0x102/0x170 [ 1667.180494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.180494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.180494][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.180494][ T10] netlink_unicast+0x449/0x710 [ 1667.180494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.180494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.180494][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.180494][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.180494][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.180494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.180494][ T10] [ 1667.182464][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1667.182778][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1667.182778][ T10] netdev_get_by_index+0x5e/0x80 [ 1667.182778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1667.182778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1667.182778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1667.182778][ T10] ipv6_add_addr+0x411/0x2000 [ 1667.182778][ T10] inet6_addr_add+0x30e/0xa40 [ 1667.182778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.182778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.182778][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.182778][ T10] netlink_unicast+0x449/0x710 [ 1667.182778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.182778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.182778][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.182778][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.182778][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.182778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.182778][ T10] [ 1667.184968][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1667.184968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1667.184968][ T10] ipv6_find_idev+0x102/0x170 [ 1667.184968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.184968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.184968][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.184968][ T10] netlink_unicast+0x449/0x710 [ 1667.184968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.184968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.184968][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.184968][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.184968][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.184968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.184968][ T10] [ 1667.186685][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1667.186685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1667.186685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1667.186685][ T10] ipv6_find_idev+0x102/0x170 [ 1667.186685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.186685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.186685][ T10] netlink_rcv_skb+0x130/0x360 [ 1667.186685][ T10] netlink_unicast+0x449/0x710 [ 1667.186685][ T10] netlink_sendmsg+0x723/0xbe0 [ 1667.186685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1667.186685][ T10] ___sys_sendmsg+0xee/0x170 [ 1667.186685][ T10] __sys_sendmsg+0xcd/0x170 [ 1667.186685][ T10] do_syscall_64+0xc6/0x1e0 [ 1667.186685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.186685][ T10] [ 1677.197890][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1677.198398][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1677.198398][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.198398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.198398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.198398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.198398][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.198398][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.198398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.198398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.198398][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.198398][ T10] netlink_unicast+0x449/0x710 [ 1677.198398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.198398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.198398][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.198398][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.198398][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.198398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.198398][ T10] [ 1677.200486][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1677.200486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.200486][ T10] ipv6_find_idev+0x102/0x170 [ 1677.200486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.200486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.200486][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.200486][ T10] netlink_unicast+0x449/0x710 [ 1677.200486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.200486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.200486][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.200486][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.200486][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.200486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.200486][ T10] [ 1677.202046][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1677.202046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.202046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.202046][ T10] ipv6_find_idev+0x102/0x170 [ 1677.202046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.202046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.202046][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.202046][ T10] netlink_unicast+0x449/0x710 [ 1677.202046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.202046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.202046][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.202046][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.202046][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.202046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.202046][ T10] [ 1677.203783][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1677.204062][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1677.204062][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.204062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.204062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.204062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.204062][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.204062][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.204062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.204062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.204062][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.204062][ T10] netlink_unicast+0x449/0x710 [ 1677.204062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.204062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.204062][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.204062][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.204062][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.204062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.204062][ T10] [ 1677.206066][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1677.206066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.206066][ T10] ipv6_find_idev+0x102/0x170 [ 1677.206066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.206066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.206066][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.206066][ T10] netlink_unicast+0x449/0x710 [ 1677.206066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.206066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.206066][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.206066][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.206066][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.206066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.206066][ T10] [ 1677.207617][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1677.207617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.207617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.207617][ T10] ipv6_find_idev+0x102/0x170 [ 1677.207617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.207617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.207617][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.207617][ T10] netlink_unicast+0x449/0x710 [ 1677.207617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.207617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.207617][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.207617][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.207617][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.207617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.207617][ T10] [ 1677.209843][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1677.210123][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1677.210123][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.210123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.210123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.210123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.210123][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.210123][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.210123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.210123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.210123][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.210123][ T10] netlink_unicast+0x449/0x710 [ 1677.210123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.210123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.210123][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.210123][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.210123][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.210123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.210123][ T10] [ 1677.212127][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1677.212127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.212127][ T10] ipv6_find_idev+0x102/0x170 [ 1677.212127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.212127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.212127][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.212127][ T10] netlink_unicast+0x449/0x710 [ 1677.212127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.212127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.212127][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.212127][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.212127][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.212127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.212127][ T10] [ 1677.213665][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1677.213665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.213665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.213665][ T10] ipv6_find_idev+0x102/0x170 [ 1677.213665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.213665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.213665][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.213665][ T10] netlink_unicast+0x449/0x710 [ 1677.213665][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.213665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.213665][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.213665][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.213665][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.213665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.213665][ T10] [ 1677.215361][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1677.215635][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1677.215635][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.215635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.215635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.215635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.215635][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.215635][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.215635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.215635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.215635][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.215635][ T10] netlink_unicast+0x449/0x710 [ 1677.215635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.215635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.215635][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.215635][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.215635][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.215635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.215635][ T10] [ 1677.218022][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1677.218022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.218022][ T10] ipv6_find_idev+0x102/0x170 [ 1677.218022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.218022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.218022][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.218022][ T10] netlink_unicast+0x449/0x710 [ 1677.218022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.218022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.218022][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.218022][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.218022][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.218022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.218022][ T10] [ 1677.219563][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1677.219563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.219563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.219563][ T10] ipv6_find_idev+0x102/0x170 [ 1677.219563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.219563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.219563][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.219563][ T10] netlink_unicast+0x449/0x710 [ 1677.219563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.219563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.219563][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.219563][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.219563][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.219563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.219563][ T10] [ 1677.221651][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1677.222264][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1677.222264][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.222264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.222264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.222264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.222264][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.222264][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.222264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.222264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.222264][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.222264][ T10] netlink_unicast+0x449/0x710 [ 1677.222264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.222264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.222264][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.222264][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.222264][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.222264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.222264][ T10] [ 1677.224262][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1677.224262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.224262][ T10] ipv6_find_idev+0x102/0x170 [ 1677.224262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.224262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.224262][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.224262][ T10] netlink_unicast+0x449/0x710 [ 1677.224262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.224262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.224262][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.224262][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.224262][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.224262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.224262][ T10] [ 1677.225803][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1677.225803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.225803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.225803][ T10] ipv6_find_idev+0x102/0x170 [ 1677.225803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.225803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.225803][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.225803][ T10] netlink_unicast+0x449/0x710 [ 1677.225803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.225803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.225803][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.225803][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.225803][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.225803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.225803][ T10] [ 1677.227486][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1677.227755][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1677.227755][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.227755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.227755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.227755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.227755][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.227755][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.227755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.227755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.227755][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.227755][ T10] netlink_unicast+0x449/0x710 [ 1677.227755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.227755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.227755][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.227755][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.227755][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.227755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.227755][ T10] [ 1677.229755][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1677.229755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.229755][ T10] ipv6_find_idev+0x102/0x170 [ 1677.229755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.229755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.229755][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.229755][ T10] netlink_unicast+0x449/0x710 [ 1677.229755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.229755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.229755][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.229755][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.229755][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.229755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.229755][ T10] [ 1677.231422][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1677.231422][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.231422][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.231422][ T10] ipv6_find_idev+0x102/0x170 [ 1677.231422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.231422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.231422][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.231422][ T10] netlink_unicast+0x449/0x710 [ 1677.231422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.231422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.231422][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.231422][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.231422][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.231422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.231422][ T10] [ 1677.233356][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1677.233667][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1677.233667][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.233667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.233667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.233667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.233667][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.233667][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.233667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.233667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.233667][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.233667][ T10] netlink_unicast+0x449/0x710 [ 1677.233667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.233667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.233667][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.233667][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.233667][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.233667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.233667][ T10] [ 1677.235851][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1677.235851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.235851][ T10] ipv6_find_idev+0x102/0x170 [ 1677.235851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.235851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.235851][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.235851][ T10] netlink_unicast+0x449/0x710 [ 1677.235851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.235851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.235851][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.235851][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.235851][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.235851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.235851][ T10] [ 1677.237569][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1677.237569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.237569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.237569][ T10] ipv6_find_idev+0x102/0x170 [ 1677.237569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.237569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.237569][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.237569][ T10] netlink_unicast+0x449/0x710 [ 1677.237569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.237569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.237569][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.237569][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.237569][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.237569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.237569][ T10] [ 1677.239474][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1677.239786][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1677.239786][ T10] netdev_get_by_index+0x5e/0x80 [ 1677.239786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1677.239786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1677.239786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1677.239786][ T10] ipv6_add_addr+0x411/0x2000 [ 1677.239786][ T10] inet6_addr_add+0x30e/0xa40 [ 1677.239786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.239786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.239786][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.239786][ T10] netlink_unicast+0x449/0x710 [ 1677.239786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.239786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.239786][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.239786][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.239786][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.239786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.239786][ T10] [ 1677.241965][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1677.241965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1677.241965][ T10] ipv6_find_idev+0x102/0x170 [ 1677.241965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.241965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.241965][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.241965][ T10] netlink_unicast+0x449/0x710 [ 1677.241965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.241965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.241965][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.241965][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.241965][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.241965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.241965][ T10] [ 1677.243752][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1677.243752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1677.243752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1677.243752][ T10] ipv6_find_idev+0x102/0x170 [ 1677.243752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.243752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.243752][ T10] netlink_rcv_skb+0x130/0x360 [ 1677.243752][ T10] netlink_unicast+0x449/0x710 [ 1677.243752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1677.243752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1677.243752][ T10] ___sys_sendmsg+0xee/0x170 [ 1677.243752][ T10] __sys_sendmsg+0xcd/0x170 [ 1677.243752][ T10] do_syscall_64+0xc6/0x1e0 [ 1677.243752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.243752][ T10] [ 1687.493901][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1687.494397][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1687.494397][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.494397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.494397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.494397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.494397][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.494397][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.494397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.494397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.494397][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.494397][ T10] netlink_unicast+0x449/0x710 [ 1687.494397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.494397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.494397][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.494397][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.494397][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.494397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.494397][ T10] [ 1687.496390][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1687.496390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.496390][ T10] ipv6_find_idev+0x102/0x170 [ 1687.496390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.496390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.496390][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.496390][ T10] netlink_unicast+0x449/0x710 [ 1687.496390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.496390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.496390][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.496390][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.496390][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.496390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.496390][ T10] [ 1687.497916][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1687.497916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.497916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.497916][ T10] ipv6_find_idev+0x102/0x170 [ 1687.497916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.497916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.497916][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.497916][ T10] netlink_unicast+0x449/0x710 [ 1687.497916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.497916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.497916][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.497916][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.497916][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.497916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.497916][ T10] [ 1687.499606][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1687.499890][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1687.499890][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.499890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.499890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.499890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.499890][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.499890][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.499890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.499890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.499890][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.499890][ T10] netlink_unicast+0x449/0x710 [ 1687.499890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.499890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.499890][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.499890][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.499890][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.499890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.499890][ T10] [ 1687.501993][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1687.501993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.501993][ T10] ipv6_find_idev+0x102/0x170 [ 1687.501993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.501993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.501993][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.501993][ T10] netlink_unicast+0x449/0x710 [ 1687.501993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.501993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.501993][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.501993][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.501993][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.501993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.501993][ T10] [ 1687.503524][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1687.503524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.503524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.503524][ T10] ipv6_find_idev+0x102/0x170 [ 1687.503524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.503524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.503524][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.503524][ T10] netlink_unicast+0x449/0x710 [ 1687.503524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.503524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.503524][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.503524][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.503524][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.503524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.503524][ T10] [ 1687.505203][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1687.505462][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1687.505462][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.505462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.505462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.505462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.505462][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.505462][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.505462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.505462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.505462][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.505462][ T10] netlink_unicast+0x449/0x710 [ 1687.505462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.505462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.505462][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.505462][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.505462][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.505462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.505462][ T10] [ 1687.507494][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1687.507494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.507494][ T10] ipv6_find_idev+0x102/0x170 [ 1687.507494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.507494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.507494][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.507494][ T10] netlink_unicast+0x449/0x710 [ 1687.507494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.507494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.507494][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.507494][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.507494][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.507494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.507494][ T10] [ 1687.509018][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1687.509018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.509018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.509018][ T10] ipv6_find_idev+0x102/0x170 [ 1687.509018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.509018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.509018][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.509018][ T10] netlink_unicast+0x449/0x710 [ 1687.509018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.509018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.509018][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.509018][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.509018][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.509018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.509018][ T10] [ 1687.510678][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1687.511381][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1687.511381][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.511381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.511381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.511381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.511381][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.511381][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.511381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.511381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.511381][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.511381][ T10] netlink_unicast+0x449/0x710 [ 1687.511381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.511381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.511381][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.511381][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.511381][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.511381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.511381][ T10] [ 1687.513729][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1687.513729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.513729][ T10] ipv6_find_idev+0x102/0x170 [ 1687.513729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.513729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.513729][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.513729][ T10] netlink_unicast+0x449/0x710 [ 1687.513729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.513729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.513729][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.513729][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.513729][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.513729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.513729][ T10] [ 1687.515245][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1687.515245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.515245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.515245][ T10] ipv6_find_idev+0x102/0x170 [ 1687.515245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.515245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.515245][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.515245][ T10] netlink_unicast+0x449/0x710 [ 1687.515245][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.515245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.515245][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.515245][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.515245][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.515245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.515245][ T10] [ 1687.516955][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1687.517224][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1687.517224][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.517224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.517224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.517224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.517224][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.517224][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.517224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.517224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.517224][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.517224][ T10] netlink_unicast+0x449/0x710 [ 1687.517224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.517224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.517224][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.517224][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.517224][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.517224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.517224][ T10] [ 1687.519325][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1687.519325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.519325][ T10] ipv6_find_idev+0x102/0x170 [ 1687.519325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.519325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.519325][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.519325][ T10] netlink_unicast+0x449/0x710 [ 1687.519325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.519325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.519325][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.519325][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.519325][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.519325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.519325][ T10] [ 1687.520856][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1687.520856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.520856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.520856][ T10] ipv6_find_idev+0x102/0x170 [ 1687.520856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.520856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.520856][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.520856][ T10] netlink_unicast+0x449/0x710 [ 1687.520856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.520856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.520856][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.520856][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.520856][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.520856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.520856][ T10] [ 1687.522554][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1687.522880][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1687.522880][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.522880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.522880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.522880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.522880][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.522880][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.522880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.522880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.522880][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.522880][ T10] netlink_unicast+0x449/0x710 [ 1687.522880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.522880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.522880][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.522880][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.522880][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.522880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.522880][ T10] [ 1687.524931][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1687.524931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.524931][ T10] ipv6_find_idev+0x102/0x170 [ 1687.524931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.524931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.524931][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.524931][ T10] netlink_unicast+0x449/0x710 [ 1687.524931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.524931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.524931][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.524931][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.524931][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.524931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.524931][ T10] [ 1687.526689][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1687.526689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.526689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.526689][ T10] ipv6_find_idev+0x102/0x170 [ 1687.526689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.526689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.526689][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.526689][ T10] netlink_unicast+0x449/0x710 [ 1687.526689][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.526689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.526689][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.526689][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.526689][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.526689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.526689][ T10] [ 1687.528578][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1687.528887][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1687.528887][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.528887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.528887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.528887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.528887][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.528887][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.528887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.528887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.528887][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.528887][ T10] netlink_unicast+0x449/0x710 [ 1687.528887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.528887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.528887][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.528887][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.528887][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.528887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.528887][ T10] [ 1687.531043][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1687.531043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.531043][ T10] ipv6_find_idev+0x102/0x170 [ 1687.531043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.531043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.531043][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.531043][ T10] netlink_unicast+0x449/0x710 [ 1687.531043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.531043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.531043][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.531043][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.531043][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.531043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.531043][ T10] [ 1687.532745][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1687.532745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.532745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.532745][ T10] ipv6_find_idev+0x102/0x170 [ 1687.532745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.532745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.532745][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.532745][ T10] netlink_unicast+0x449/0x710 [ 1687.532745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.532745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.532745][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.532745][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.532745][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.532745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.532745][ T10] [ 1687.534624][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1687.534939][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1687.534939][ T10] netdev_get_by_index+0x5e/0x80 [ 1687.534939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1687.534939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1687.534939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1687.534939][ T10] ipv6_add_addr+0x411/0x2000 [ 1687.534939][ T10] inet6_addr_add+0x30e/0xa40 [ 1687.534939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.534939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.534939][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.534939][ T10] netlink_unicast+0x449/0x710 [ 1687.534939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.534939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.534939][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.534939][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.534939][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.534939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.534939][ T10] [ 1687.537090][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1687.537090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1687.537090][ T10] ipv6_find_idev+0x102/0x170 [ 1687.537090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.537090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.537090][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.537090][ T10] netlink_unicast+0x449/0x710 [ 1687.537090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.537090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.537090][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.537090][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.537090][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.537090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.537090][ T10] [ 1687.538853][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1687.538853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1687.538853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1687.538853][ T10] ipv6_find_idev+0x102/0x170 [ 1687.538853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.538853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.538853][ T10] netlink_rcv_skb+0x130/0x360 [ 1687.538853][ T10] netlink_unicast+0x449/0x710 [ 1687.538853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1687.538853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1687.538853][ T10] ___sys_sendmsg+0xee/0x170 [ 1687.538853][ T10] __sys_sendmsg+0xcd/0x170 [ 1687.538853][ T10] do_syscall_64+0xc6/0x1e0 [ 1687.538853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.538853][ T10] [ 1697.541966][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1697.542482][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1697.542482][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.542482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.542482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.542482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.542482][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.542482][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.542482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.542482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.542482][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.542482][ T10] netlink_unicast+0x449/0x710 [ 1697.542482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.542482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.542482][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.542482][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.542482][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.542482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.542482][ T10] [ 1697.544522][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1697.544522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.544522][ T10] ipv6_find_idev+0x102/0x170 [ 1697.544522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.544522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.544522][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.544522][ T10] netlink_unicast+0x449/0x710 [ 1697.544522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.544522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.544522][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.544522][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.544522][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.544522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.544522][ T10] [ 1697.546067][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1697.546067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.546067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.546067][ T10] ipv6_find_idev+0x102/0x170 [ 1697.546067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.546067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.546067][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.546067][ T10] netlink_unicast+0x449/0x710 [ 1697.546067][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.546067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.546067][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.546067][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.546067][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.546067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.546067][ T10] [ 1697.547802][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1697.548083][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1697.548083][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.548083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.548083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.548083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.548083][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.548083][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.548083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.548083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.548083][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.548083][ T10] netlink_unicast+0x449/0x710 [ 1697.548083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.548083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.548083][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.548083][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.548083][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.548083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.548083][ T10] [ 1697.550103][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1697.550103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.550103][ T10] ipv6_find_idev+0x102/0x170 [ 1697.550103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.550103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.550103][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.550103][ T10] netlink_unicast+0x449/0x710 [ 1697.550103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.550103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.550103][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.550103][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.550103][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.550103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.550103][ T10] [ 1697.551647][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1697.551647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.551647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.551647][ T10] ipv6_find_idev+0x102/0x170 [ 1697.551647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.551647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.551647][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.551647][ T10] netlink_unicast+0x449/0x710 [ 1697.551647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.551647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.551647][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.551647][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.551647][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.551647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.551647][ T10] [ 1697.553342][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1697.553611][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1697.553611][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.553611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.553611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.553611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.553611][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.553611][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.553611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.553611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.553611][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.553611][ T10] netlink_unicast+0x449/0x710 [ 1697.553611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.553611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.553611][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.553611][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.553611][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.553611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.553611][ T10] [ 1697.555617][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1697.555617][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.555617][ T10] ipv6_find_idev+0x102/0x170 [ 1697.555617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.555617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.555617][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.555617][ T10] netlink_unicast+0x449/0x710 [ 1697.555617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.555617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.555617][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.555617][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.555617][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.555617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.555617][ T10] [ 1697.557158][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1697.557158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.557158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.557158][ T10] ipv6_find_idev+0x102/0x170 [ 1697.557158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.557158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.557158][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.557158][ T10] netlink_unicast+0x449/0x710 [ 1697.557158][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.557158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.557158][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.557158][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.557158][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.557158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.557158][ T10] [ 1697.558844][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1697.559111][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1697.559111][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.559111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.559111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.559111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.559111][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.559111][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.559111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.559111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.559111][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.559111][ T10] netlink_unicast+0x449/0x710 [ 1697.559111][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.559111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.559111][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.559111][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.559111][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.559111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.559111][ T10] [ 1697.561110][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1697.561110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.561110][ T10] ipv6_find_idev+0x102/0x170 [ 1697.561110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.561110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.561110][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.561110][ T10] netlink_unicast+0x449/0x710 [ 1697.561110][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.561110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.561110][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.561110][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.561110][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.561110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.561110][ T10] [ 1697.562652][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1697.562652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.562652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.562652][ T10] ipv6_find_idev+0x102/0x170 [ 1697.562652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.562652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.562652][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.562652][ T10] netlink_unicast+0x449/0x710 [ 1697.562652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.562652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.562652][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.562652][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.562652][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.562652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.562652][ T10] [ 1697.565155][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1697.565751][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1697.565751][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.565751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.565751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.565751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.565751][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.565751][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.565751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.565751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.565751][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.565751][ T10] netlink_unicast+0x449/0x710 [ 1697.565751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.565751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.565751][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.565751][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.565751][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.565751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.565751][ T10] [ 1697.567746][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1697.567746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.567746][ T10] ipv6_find_idev+0x102/0x170 [ 1697.567746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.567746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.567746][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.567746][ T10] netlink_unicast+0x449/0x710 [ 1697.567746][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.567746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.567746][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.567746][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.567746][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.567746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.567746][ T10] [ 1697.569285][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1697.569285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.569285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.569285][ T10] ipv6_find_idev+0x102/0x170 [ 1697.569285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.569285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.569285][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.569285][ T10] netlink_unicast+0x449/0x710 [ 1697.569285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.569285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.569285][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.569285][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.569285][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.569285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.569285][ T10] [ 1697.570968][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1697.571238][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1697.571238][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.571238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.571238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.571238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.571238][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.571238][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.571238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.571238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.571238][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.571238][ T10] netlink_unicast+0x449/0x710 [ 1697.571238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.571238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.571238][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.571238][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.571238][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.571238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.571238][ T10] [ 1697.573243][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1697.573243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.573243][ T10] ipv6_find_idev+0x102/0x170 [ 1697.573243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.573243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.573243][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.573243][ T10] netlink_unicast+0x449/0x710 [ 1697.573243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.573243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.573243][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.573243][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.573243][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.573243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.573243][ T10] [ 1697.574910][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1697.574910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.574910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.574910][ T10] ipv6_find_idev+0x102/0x170 [ 1697.574910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.574910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.574910][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.574910][ T10] netlink_unicast+0x449/0x710 [ 1697.574910][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.574910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.574910][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.574910][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.574910][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.574910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.574910][ T10] [ 1697.576884][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1697.577200][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1697.577200][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.577200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.577200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.577200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.577200][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.577200][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.577200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.577200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.577200][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.577200][ T10] netlink_unicast+0x449/0x710 [ 1697.577200][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.577200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.577200][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.577200][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.577200][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.577200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.577200][ T10] [ 1697.579380][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1697.579380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.579380][ T10] ipv6_find_idev+0x102/0x170 [ 1697.579380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.579380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.579380][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.579380][ T10] netlink_unicast+0x449/0x710 [ 1697.579380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.579380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.579380][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.579380][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.579380][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.579380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.579380][ T10] [ 1697.581112][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1697.581112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.581112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.581112][ T10] ipv6_find_idev+0x102/0x170 [ 1697.581112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.581112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.581112][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.581112][ T10] netlink_unicast+0x449/0x710 [ 1697.581112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.581112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.581112][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.581112][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.581112][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.581112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.581112][ T10] [ 1697.583019][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1697.583337][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1697.583337][ T10] netdev_get_by_index+0x5e/0x80 [ 1697.583337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1697.583337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1697.583337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1697.583337][ T10] ipv6_add_addr+0x411/0x2000 [ 1697.583337][ T10] inet6_addr_add+0x30e/0xa40 [ 1697.583337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.583337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.583337][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.583337][ T10] netlink_unicast+0x449/0x710 [ 1697.583337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.583337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.583337][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.583337][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.583337][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.583337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.583337][ T10] [ 1697.585511][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1697.585511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1697.585511][ T10] ipv6_find_idev+0x102/0x170 [ 1697.585511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.585511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.585511][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.585511][ T10] netlink_unicast+0x449/0x710 [ 1697.585511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.585511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.585511][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.585511][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.585511][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.585511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.585511][ T10] [ 1697.587294][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1697.587294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1697.587294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1697.587294][ T10] ipv6_find_idev+0x102/0x170 [ 1697.587294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.587294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.587294][ T10] netlink_rcv_skb+0x130/0x360 [ 1697.587294][ T10] netlink_unicast+0x449/0x710 [ 1697.587294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1697.587294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1697.587294][ T10] ___sys_sendmsg+0xee/0x170 [ 1697.587294][ T10] __sys_sendmsg+0xcd/0x170 [ 1697.587294][ T10] do_syscall_64+0xc6/0x1e0 [ 1697.587294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.587294][ T10] [ 1707.829882][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1707.830396][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1707.830396][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.830396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.830396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.830396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.830396][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.830396][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.830396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.830396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.830396][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.830396][ T10] netlink_unicast+0x449/0x710 [ 1707.830396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.830396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.830396][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.830396][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.830396][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.830396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.830396][ T10] [ 1707.832445][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1707.832445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.832445][ T10] ipv6_find_idev+0x102/0x170 [ 1707.832445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.832445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.832445][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.832445][ T10] netlink_unicast+0x449/0x710 [ 1707.832445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.832445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.832445][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.832445][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.832445][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.832445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.832445][ T10] [ 1707.834008][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1707.834008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.834008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.834008][ T10] ipv6_find_idev+0x102/0x170 [ 1707.834008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.834008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.834008][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.834008][ T10] netlink_unicast+0x449/0x710 [ 1707.834008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.834008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.834008][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.834008][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.834008][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.834008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.834008][ T10] [ 1707.835723][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1707.836013][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1707.836013][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.836013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.836013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.836013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.836013][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.836013][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.836013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.836013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.836013][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.836013][ T10] netlink_unicast+0x449/0x710 [ 1707.836013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.836013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.836013][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.836013][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.836013][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.836013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.836013][ T10] [ 1707.838017][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1707.838017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.838017][ T10] ipv6_find_idev+0x102/0x170 [ 1707.838017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.838017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.838017][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.838017][ T10] netlink_unicast+0x449/0x710 [ 1707.838017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.838017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.838017][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.838017][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.838017][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.838017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.838017][ T10] [ 1707.839557][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1707.839557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.839557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.839557][ T10] ipv6_find_idev+0x102/0x170 [ 1707.839557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.839557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.839557][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.839557][ T10] netlink_unicast+0x449/0x710 [ 1707.839557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.839557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.839557][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.839557][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.839557][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.839557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.839557][ T10] [ 1707.841243][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1707.841507][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1707.841507][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.841507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.841507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.841507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.841507][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.841507][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.841507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.841507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.841507][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.841507][ T10] netlink_unicast+0x449/0x710 [ 1707.841507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.841507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.841507][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.841507][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.841507][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.841507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.841507][ T10] [ 1707.843505][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1707.843505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.843505][ T10] ipv6_find_idev+0x102/0x170 [ 1707.843505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.843505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.843505][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.843505][ T10] netlink_unicast+0x449/0x710 [ 1707.843505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.843505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.843505][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.843505][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.843505][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.843505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.843505][ T10] [ 1707.845049][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1707.845049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.845049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.845049][ T10] ipv6_find_idev+0x102/0x170 [ 1707.845049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.845049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.845049][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.845049][ T10] netlink_unicast+0x449/0x710 [ 1707.845049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.845049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.845049][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.845049][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.845049][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.845049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.845049][ T10] [ 1707.847145][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1707.847739][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1707.847739][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.847739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.847739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.847739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.847739][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.847739][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.847739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.847739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.847739][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.847739][ T10] netlink_unicast+0x449/0x710 [ 1707.847739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.847739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.847739][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.847739][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.847739][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.847739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.847739][ T10] [ 1707.849779][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1707.849779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.849779][ T10] ipv6_find_idev+0x102/0x170 [ 1707.849779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.849779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.849779][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.849779][ T10] netlink_unicast+0x449/0x710 [ 1707.849779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.849779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.849779][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.849779][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.849779][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.849779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.849779][ T10] [ 1707.851322][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1707.851322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.851322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.851322][ T10] ipv6_find_idev+0x102/0x170 [ 1707.851322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.851322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.851322][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.851322][ T10] netlink_unicast+0x449/0x710 [ 1707.851322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.851322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.851322][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.851322][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.851322][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.851322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.851322][ T10] [ 1707.853019][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1707.853290][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1707.853290][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.853290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.853290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.853290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.853290][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.853290][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.853290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.853290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.853290][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.853290][ T10] netlink_unicast+0x449/0x710 [ 1707.853290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.853290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.853290][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.853290][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.853290][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.853290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.853290][ T10] [ 1707.855291][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1707.855291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.855291][ T10] ipv6_find_idev+0x102/0x170 [ 1707.855291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.855291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.855291][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.855291][ T10] netlink_unicast+0x449/0x710 [ 1707.855291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.855291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.855291][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.855291][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.855291][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.855291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.855291][ T10] [ 1707.856946][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1707.856946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.856946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.856946][ T10] ipv6_find_idev+0x102/0x170 [ 1707.856946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.856946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.856946][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.856946][ T10] netlink_unicast+0x449/0x710 [ 1707.856946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.856946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.856946][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.856946][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.856946][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.856946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.856946][ T10] [ 1707.858687][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1707.859010][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1707.859010][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.859010][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.859010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.859010][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.859010][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.859010][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.859010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.859010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.859010][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.859010][ T10] netlink_unicast+0x449/0x710 [ 1707.859010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.859010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.859010][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.859010][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.859010][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.859010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.859010][ T10] [ 1707.861014][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1707.861014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.861014][ T10] ipv6_find_idev+0x102/0x170 [ 1707.861014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.861014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.861014][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.861014][ T10] netlink_unicast+0x449/0x710 [ 1707.861014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.861014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.861014][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.861014][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.861014][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.861014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.861014][ T10] [ 1707.862555][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1707.862555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.862555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.862555][ T10] ipv6_find_idev+0x102/0x170 [ 1707.862555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.862555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.862555][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.862555][ T10] netlink_unicast+0x449/0x710 [ 1707.862555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.862555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.862555][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.862555][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.862555][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.862555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.862555][ T10] [ 1707.864603][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1707.864921][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1707.864921][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.864921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.864921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.864921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.864921][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.864921][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.864921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.864921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.864921][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.864921][ T10] netlink_unicast+0x449/0x710 [ 1707.864921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.864921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.864921][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.864921][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.864921][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.864921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.864921][ T10] [ 1707.867114][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1707.867114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.867114][ T10] ipv6_find_idev+0x102/0x170 [ 1707.867114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.867114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.867114][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.867114][ T10] netlink_unicast+0x449/0x710 [ 1707.867114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.867114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.867114][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.867114][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.867114][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.867114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.867114][ T10] [ 1707.868832][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1707.868832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.868832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.868832][ T10] ipv6_find_idev+0x102/0x170 [ 1707.868832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.868832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.868832][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.868832][ T10] netlink_unicast+0x449/0x710 [ 1707.868832][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.868832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.868832][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.868832][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.868832][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.868832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.868832][ T10] [ 1707.870740][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1707.871067][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1707.871067][ T10] netdev_get_by_index+0x5e/0x80 [ 1707.871067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1707.871067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1707.871067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1707.871067][ T10] ipv6_add_addr+0x411/0x2000 [ 1707.871067][ T10] inet6_addr_add+0x30e/0xa40 [ 1707.871067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.871067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.871067][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.871067][ T10] netlink_unicast+0x449/0x710 [ 1707.871067][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.871067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.871067][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.871067][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.871067][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.871067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.871067][ T10] [ 1707.873248][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1707.873248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1707.873248][ T10] ipv6_find_idev+0x102/0x170 [ 1707.873248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.873248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.873248][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.873248][ T10] netlink_unicast+0x449/0x710 [ 1707.873248][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.873248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.873248][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.873248][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.873248][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.873248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.873248][ T10] [ 1707.874974][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1707.874974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1707.874974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1707.874974][ T10] ipv6_find_idev+0x102/0x170 [ 1707.874974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.874974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.874974][ T10] netlink_rcv_skb+0x130/0x360 [ 1707.874974][ T10] netlink_unicast+0x449/0x710 [ 1707.874974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1707.874974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1707.874974][ T10] ___sys_sendmsg+0xee/0x170 [ 1707.874974][ T10] __sys_sendmsg+0xcd/0x170 [ 1707.874974][ T10] do_syscall_64+0xc6/0x1e0 [ 1707.874974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.874974][ T10] [ 1718.117889][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1718.118408][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1718.118408][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.118408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.118408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.118408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.118408][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.118408][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.118408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.118408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.118408][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.118408][ T10] netlink_unicast+0x449/0x710 [ 1718.118408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.118408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.118408][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.118408][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.118408][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.118408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.118408][ T10] [ 1718.120456][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1718.120456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.120456][ T10] ipv6_find_idev+0x102/0x170 [ 1718.120456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.120456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.120456][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.120456][ T10] netlink_unicast+0x449/0x710 [ 1718.120456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.120456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.120456][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.120456][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.120456][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.120456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.120456][ T10] [ 1718.122013][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1718.122013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.122013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.122013][ T10] ipv6_find_idev+0x102/0x170 [ 1718.122013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.122013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.122013][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.122013][ T10] netlink_unicast+0x449/0x710 [ 1718.122013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.122013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.122013][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.122013][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.122013][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.122013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.122013][ T10] [ 1718.123761][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1718.124055][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1718.124055][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.124055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.124055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.124055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.124055][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.124055][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.124055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.124055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.124055][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.124055][ T10] netlink_unicast+0x449/0x710 [ 1718.124055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.124055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.124055][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.124055][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.124055][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.124055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.124055][ T10] [ 1718.126064][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1718.126064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.126064][ T10] ipv6_find_idev+0x102/0x170 [ 1718.126064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.126064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.126064][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.126064][ T10] netlink_unicast+0x449/0x710 [ 1718.126064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.126064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.126064][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.126064][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.126064][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.126064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.126064][ T10] [ 1718.127613][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1718.127613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.127613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.127613][ T10] ipv6_find_idev+0x102/0x170 [ 1718.127613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.127613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.127613][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.127613][ T10] netlink_unicast+0x449/0x710 [ 1718.127613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.127613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.127613][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.127613][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.127613][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.127613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.127613][ T10] [ 1718.129314][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1718.129586][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1718.129586][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.129586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.129586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.129586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.129586][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.129586][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.129586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.129586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.129586][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.129586][ T10] netlink_unicast+0x449/0x710 [ 1718.129586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.129586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.129586][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.129586][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.129586][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.129586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.129586][ T10] [ 1718.131585][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1718.131585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.131585][ T10] ipv6_find_idev+0x102/0x170 [ 1718.131585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.131585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.131585][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.131585][ T10] netlink_unicast+0x449/0x710 [ 1718.131585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.131585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.131585][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.131585][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.131585][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.131585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.131585][ T10] [ 1718.133137][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1718.133137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.133137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.133137][ T10] ipv6_find_idev+0x102/0x170 [ 1718.133137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.133137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.133137][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.133137][ T10] netlink_unicast+0x449/0x710 [ 1718.133137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.133137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.133137][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.133137][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.133137][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.133137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.133137][ T10] [ 1718.134826][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1718.135089][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1718.135089][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.135089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.135089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.135089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.135089][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.135089][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.135089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.135089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.135089][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.135089][ T10] netlink_unicast+0x449/0x710 [ 1718.135089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.135089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.135089][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.135089][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.135089][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.135089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.135089][ T10] [ 1718.137157][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1718.137157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.137157][ T10] ipv6_find_idev+0x102/0x170 [ 1718.137157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.137157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.137157][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.137157][ T10] netlink_unicast+0x449/0x710 [ 1718.137157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.137157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.137157][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.137157][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.137157][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.137157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.137157][ T10] [ 1718.138699][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1718.138699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.138699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.138699][ T10] ipv6_find_idev+0x102/0x170 [ 1718.138699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.138699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.138699][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.138699][ T10] netlink_unicast+0x449/0x710 [ 1718.138699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.138699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.138699][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.138699][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.138699][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.138699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.138699][ T10] [ 1718.140820][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1718.141427][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1718.141427][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.141427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.141427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.141427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.141427][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.141427][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.141427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.141427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.141427][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.141427][ T10] netlink_unicast+0x449/0x710 [ 1718.141427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.141427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.141427][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.141427][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.141427][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.141427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.141427][ T10] [ 1718.143419][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1718.143419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.143419][ T10] ipv6_find_idev+0x102/0x170 [ 1718.143419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.143419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.143419][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.143419][ T10] netlink_unicast+0x449/0x710 [ 1718.143419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.143419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.143419][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.143419][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.143419][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.143419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.143419][ T10] [ 1718.144962][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1718.144962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.144962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.144962][ T10] ipv6_find_idev+0x102/0x170 [ 1718.144962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.144962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.144962][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.144962][ T10] netlink_unicast+0x449/0x710 [ 1718.144962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.144962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.144962][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.144962][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.144962][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.144962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.144962][ T10] [ 1718.146646][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1718.146972][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1718.146972][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.146972][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.146972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.146972][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.146972][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.146972][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.146972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.146972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.146972][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.146972][ T10] netlink_unicast+0x449/0x710 [ 1718.146972][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.146972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.146972][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.146972][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.146972][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.146972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.146972][ T10] [ 1718.148979][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1718.148979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.148979][ T10] ipv6_find_idev+0x102/0x170 [ 1718.148979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.148979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.148979][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.148979][ T10] netlink_unicast+0x449/0x710 [ 1718.148979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.148979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.148979][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.148979][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.148979][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.148979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.148979][ T10] [ 1718.150583][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1718.150583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.150583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.150583][ T10] ipv6_find_idev+0x102/0x170 [ 1718.150583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.150583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.150583][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.150583][ T10] netlink_unicast+0x449/0x710 [ 1718.150583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.150583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.150583][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.150583][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.150583][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.150583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.150583][ T10] [ 1718.152551][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1718.152870][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1718.152870][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.152870][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.152870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.152870][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.152870][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.152870][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.152870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.152870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.152870][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.152870][ T10] netlink_unicast+0x449/0x710 [ 1718.152870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.152870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.152870][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.152870][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.152870][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.152870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.152870][ T10] [ 1718.155049][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1718.155049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.155049][ T10] ipv6_find_idev+0x102/0x170 [ 1718.155049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.155049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.155049][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.155049][ T10] netlink_unicast+0x449/0x710 [ 1718.155049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.155049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.155049][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.155049][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.155049][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.155049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.155049][ T10] [ 1718.156769][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1718.156769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.156769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.156769][ T10] ipv6_find_idev+0x102/0x170 [ 1718.156769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.156769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.156769][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.156769][ T10] netlink_unicast+0x449/0x710 [ 1718.156769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.156769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.156769][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.156769][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.156769][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.156769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.156769][ T10] [ 1718.158724][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1718.159040][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1718.159040][ T10] netdev_get_by_index+0x5e/0x80 [ 1718.159040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1718.159040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1718.159040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1718.159040][ T10] ipv6_add_addr+0x411/0x2000 [ 1718.159040][ T10] inet6_addr_add+0x30e/0xa40 [ 1718.159040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.159040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.159040][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.159040][ T10] netlink_unicast+0x449/0x710 [ 1718.159040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.159040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.159040][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.159040][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.159040][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.159040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.159040][ T10] [ 1718.161234][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1718.161234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1718.161234][ T10] ipv6_find_idev+0x102/0x170 [ 1718.161234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.161234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.161234][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.161234][ T10] netlink_unicast+0x449/0x710 [ 1718.161234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.161234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.161234][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.161234][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.161234][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.161234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.161234][ T10] [ 1718.163015][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1718.163015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1718.163015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1718.163015][ T10] ipv6_find_idev+0x102/0x170 [ 1718.163015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.163015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.163015][ T10] netlink_rcv_skb+0x130/0x360 [ 1718.163015][ T10] netlink_unicast+0x449/0x710 [ 1718.163015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1718.163015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1718.163015][ T10] ___sys_sendmsg+0xee/0x170 [ 1718.163015][ T10] __sys_sendmsg+0xcd/0x170 [ 1718.163015][ T10] do_syscall_64+0xc6/0x1e0 [ 1718.163015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.163015][ T10] [ 1728.245873][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1728.246380][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1728.246380][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.246380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.246380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.246380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.246380][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.246380][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.246380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.246380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.246380][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.246380][ T10] netlink_unicast+0x449/0x710 [ 1728.246380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.246380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.246380][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.246380][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.246380][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.246380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.246380][ T10] [ 1728.248412][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1728.248412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.248412][ T10] ipv6_find_idev+0x102/0x170 [ 1728.248412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.248412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.248412][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.248412][ T10] netlink_unicast+0x449/0x710 [ 1728.248412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.248412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.248412][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.248412][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.248412][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.248412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.248412][ T10] [ 1728.249958][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1728.249958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.249958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.249958][ T10] ipv6_find_idev+0x102/0x170 [ 1728.249958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.249958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.249958][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.249958][ T10] netlink_unicast+0x449/0x710 [ 1728.249958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.249958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.249958][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.249958][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.249958][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.249958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.249958][ T10] [ 1728.251661][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1728.251958][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1728.251958][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.251958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.251958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.251958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.251958][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.251958][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.251958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.251958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.251958][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.251958][ T10] netlink_unicast+0x449/0x710 [ 1728.251958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.251958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.251958][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.251958][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.251958][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.251958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.251958][ T10] [ 1728.254098][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1728.254098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.254098][ T10] ipv6_find_idev+0x102/0x170 [ 1728.254098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.254098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.254098][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.254098][ T10] netlink_unicast+0x449/0x710 [ 1728.254098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.254098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.254098][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.254098][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.254098][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.254098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.254098][ T10] [ 1728.255662][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1728.255662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.255662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.255662][ T10] ipv6_find_idev+0x102/0x170 [ 1728.255662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.255662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.255662][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.255662][ T10] netlink_unicast+0x449/0x710 [ 1728.255662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.255662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.255662][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.255662][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.255662][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.255662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.255662][ T10] [ 1728.257365][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1728.257641][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1728.257641][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.257641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.257641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.257641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.257641][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.257641][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.257641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.257641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.257641][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.257641][ T10] netlink_unicast+0x449/0x710 [ 1728.257641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.257641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.257641][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.257641][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.257641][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.257641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.257641][ T10] [ 1728.259645][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1728.259645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.259645][ T10] ipv6_find_idev+0x102/0x170 [ 1728.259645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.259645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.259645][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.259645][ T10] netlink_unicast+0x449/0x710 [ 1728.259645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.259645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.259645][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.259645][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.259645][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.259645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.259645][ T10] [ 1728.261191][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1728.261191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.261191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.261191][ T10] ipv6_find_idev+0x102/0x170 [ 1728.261191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.261191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.261191][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.261191][ T10] netlink_unicast+0x449/0x710 [ 1728.261191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.261191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.261191][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.261191][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.261191][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.261191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.261191][ T10] [ 1728.262879][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1728.263151][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1728.263151][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.263151][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.263151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.263151][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.263151][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.263151][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.263151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.263151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.263151][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.263151][ T10] netlink_unicast+0x449/0x710 [ 1728.263151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.263151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.263151][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.263151][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.263151][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.263151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.263151][ T10] [ 1728.265159][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1728.265159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.265159][ T10] ipv6_find_idev+0x102/0x170 [ 1728.265159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.265159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.265159][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.265159][ T10] netlink_unicast+0x449/0x710 [ 1728.265159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.265159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.265159][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.265159][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.265159][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.265159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.265159][ T10] [ 1728.266698][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1728.266698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.266698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.266698][ T10] ipv6_find_idev+0x102/0x170 [ 1728.266698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.266698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.266698][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.266698][ T10] netlink_unicast+0x449/0x710 [ 1728.266698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.266698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.266698][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.266698][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.266698][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.266698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.266698][ T10] [ 1728.268796][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1728.269387][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1728.269387][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.269387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.269387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.269387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.269387][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.269387][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.269387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.269387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.269387][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.269387][ T10] netlink_unicast+0x449/0x710 [ 1728.269387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.269387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.269387][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.269387][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.269387][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.269387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.269387][ T10] [ 1728.271899][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1728.271899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.271899][ T10] ipv6_find_idev+0x102/0x170 [ 1728.271899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.271899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.271899][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.271899][ T10] netlink_unicast+0x449/0x710 [ 1728.271899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.271899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.271899][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.271899][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.271899][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.271899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.271899][ T10] [ 1728.273443][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1728.273443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.273443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.273443][ T10] ipv6_find_idev+0x102/0x170 [ 1728.273443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.273443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.273443][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.273443][ T10] netlink_unicast+0x449/0x710 [ 1728.273443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.273443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.273443][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.273443][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.273443][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.273443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.273443][ T10] [ 1728.275142][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1728.275414][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1728.275414][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.275414][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.275414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.275414][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.275414][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.275414][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.275414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.275414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.275414][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.275414][ T10] netlink_unicast+0x449/0x710 [ 1728.275414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.275414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.275414][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.275414][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.275414][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.275414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.275414][ T10] [ 1728.277422][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1728.277422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.277422][ T10] ipv6_find_idev+0x102/0x170 [ 1728.277422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.277422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.277422][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.277422][ T10] netlink_unicast+0x449/0x710 [ 1728.277422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.277422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.277422][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.277422][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.277422][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.277422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.277422][ T10] [ 1728.279086][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1728.279086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.279086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.279086][ T10] ipv6_find_idev+0x102/0x170 [ 1728.279086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.279086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.279086][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.279086][ T10] netlink_unicast+0x449/0x710 [ 1728.279086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.279086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.279086][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.279086][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.279086][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.279086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.279086][ T10] [ 1728.280993][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1728.281697][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1728.281697][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.281697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.281697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.281697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.281697][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.281697][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.281697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.281697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.281697][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.281697][ T10] netlink_unicast+0x449/0x710 [ 1728.281697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.281697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.281697][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.281697][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.281697][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.281697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.281697][ T10] [ 1728.283960][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1728.283960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.283960][ T10] ipv6_find_idev+0x102/0x170 [ 1728.283960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.283960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.283960][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.283960][ T10] netlink_unicast+0x449/0x710 [ 1728.283960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.283960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.283960][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.283960][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.283960][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.283960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.283960][ T10] [ 1728.285684][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1728.285684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.285684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.285684][ T10] ipv6_find_idev+0x102/0x170 [ 1728.285684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.285684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.285684][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.285684][ T10] netlink_unicast+0x449/0x710 [ 1728.285684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.285684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.285684][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.285684][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.285684][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.285684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.285684][ T10] [ 1728.287603][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1728.287923][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1728.287923][ T10] netdev_get_by_index+0x5e/0x80 [ 1728.287923][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1728.287923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1728.287923][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1728.287923][ T10] ipv6_add_addr+0x411/0x2000 [ 1728.287923][ T10] inet6_addr_add+0x30e/0xa40 [ 1728.287923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.287923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.287923][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.287923][ T10] netlink_unicast+0x449/0x710 [ 1728.287923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.287923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.287923][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.287923][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.287923][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.287923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.287923][ T10] [ 1728.290108][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1728.290108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1728.290108][ T10] ipv6_find_idev+0x102/0x170 [ 1728.290108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.290108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.290108][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.290108][ T10] netlink_unicast+0x449/0x710 [ 1728.290108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.290108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.290108][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.290108][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.290108][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.290108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.290108][ T10] [ 1728.291830][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1728.291830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1728.291830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1728.291830][ T10] ipv6_find_idev+0x102/0x170 [ 1728.291830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.291830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.291830][ T10] netlink_rcv_skb+0x130/0x360 [ 1728.291830][ T10] netlink_unicast+0x449/0x710 [ 1728.291830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1728.291830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1728.291830][ T10] ___sys_sendmsg+0xee/0x170 [ 1728.291830][ T10] __sys_sendmsg+0xcd/0x170 [ 1728.291830][ T10] do_syscall_64+0xc6/0x1e0 [ 1728.291830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.291830][ T10] [ 1738.429889][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1738.430379][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1738.430379][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.430379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.430379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.430379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.430379][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.430379][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.430379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.430379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.430379][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.430379][ T10] netlink_unicast+0x449/0x710 [ 1738.430379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.430379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.430379][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.430379][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.430379][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.430379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.430379][ T10] [ 1738.432386][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1738.432386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.432386][ T10] ipv6_find_idev+0x102/0x170 [ 1738.432386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.432386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.432386][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.432386][ T10] netlink_unicast+0x449/0x710 [ 1738.432386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.432386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.432386][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.432386][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.432386][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.432386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.432386][ T10] [ 1738.433924][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1738.433924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.433924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.433924][ T10] ipv6_find_idev+0x102/0x170 [ 1738.433924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.433924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.433924][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.433924][ T10] netlink_unicast+0x449/0x710 [ 1738.433924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.433924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.433924][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.433924][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.433924][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.433924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.433924][ T10] [ 1738.435602][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1738.435879][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1738.435879][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.435879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.435879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.435879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.435879][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.435879][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.435879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.435879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.435879][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.435879][ T10] netlink_unicast+0x449/0x710 [ 1738.435879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.435879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.435879][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.435879][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.435879][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.435879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.435879][ T10] [ 1738.437860][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1738.437860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.437860][ T10] ipv6_find_idev+0x102/0x170 [ 1738.437860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.437860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.437860][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.437860][ T10] netlink_unicast+0x449/0x710 [ 1738.437860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.437860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.437860][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.437860][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.437860][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.437860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.437860][ T10] [ 1738.439395][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1738.439395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.439395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.439395][ T10] ipv6_find_idev+0x102/0x170 [ 1738.439395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.439395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.439395][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.439395][ T10] netlink_unicast+0x449/0x710 [ 1738.439395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.439395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.439395][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.439395][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.439395][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.439395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.439395][ T10] [ 1738.441062][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1738.441327][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1738.441327][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.441327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.441327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.441327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.441327][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.441327][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.441327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.441327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.441327][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.441327][ T10] netlink_unicast+0x449/0x710 [ 1738.441327][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.441327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.441327][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.441327][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.441327][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.441327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.441327][ T10] [ 1738.443295][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1738.443295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.443295][ T10] ipv6_find_idev+0x102/0x170 [ 1738.443295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.443295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.443295][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.443295][ T10] netlink_unicast+0x449/0x710 [ 1738.443295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.443295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.443295][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.443295][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.443295][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.443295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.443295][ T10] [ 1738.444827][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1738.444827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.444827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.444827][ T10] ipv6_find_idev+0x102/0x170 [ 1738.444827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.444827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.444827][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.444827][ T10] netlink_unicast+0x449/0x710 [ 1738.444827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.444827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.444827][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.444827][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.444827][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.444827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.444827][ T10] [ 1738.446503][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1738.446762][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1738.446762][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.446762][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.446762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.446762][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.446762][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.446762][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.446762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.446762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.446762][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.446762][ T10] netlink_unicast+0x449/0x710 [ 1738.446762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.446762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.446762][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.446762][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.446762][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.446762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.446762][ T10] [ 1738.448736][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1738.448736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.448736][ T10] ipv6_find_idev+0x102/0x170 [ 1738.448736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.448736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.448736][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.448736][ T10] netlink_unicast+0x449/0x710 [ 1738.448736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.448736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.448736][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.448736][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.448736][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.448736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.448736][ T10] [ 1738.450259][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1738.450259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.450259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.450259][ T10] ipv6_find_idev+0x102/0x170 [ 1738.450259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.450259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.450259][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.450259][ T10] netlink_unicast+0x449/0x710 [ 1738.450259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.450259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.450259][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.450259][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.450259][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.450259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.450259][ T10] [ 1738.452334][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1738.452607][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1738.452607][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.452607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.452607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.452607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.452607][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.452607][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.452607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.452607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.452607][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.452607][ T10] netlink_unicast+0x449/0x710 [ 1738.452607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.452607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.452607][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.452607][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.452607][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.452607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.452607][ T10] [ 1738.454580][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1738.454580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.454580][ T10] ipv6_find_idev+0x102/0x170 [ 1738.454580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.454580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.454580][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.454580][ T10] netlink_unicast+0x449/0x710 [ 1738.454580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.454580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.454580][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.454580][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.454580][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.454580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.454580][ T10] [ 1738.456098][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1738.456098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.456098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.456098][ T10] ipv6_find_idev+0x102/0x170 [ 1738.456098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.456098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.456098][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.456098][ T10] netlink_unicast+0x449/0x710 [ 1738.456098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.456098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.456098][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.456098][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.456098][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.456098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.456098][ T10] [ 1738.457815][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1738.458077][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1738.458077][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.458077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.458077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.458077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.458077][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.458077][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.458077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.458077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.458077][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.458077][ T10] netlink_unicast+0x449/0x710 [ 1738.458077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.458077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.458077][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.458077][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.458077][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.458077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.458077][ T10] [ 1738.460172][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1738.460172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.460172][ T10] ipv6_find_idev+0x102/0x170 [ 1738.460172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.460172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.460172][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.460172][ T10] netlink_unicast+0x449/0x710 [ 1738.460172][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.460172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.460172][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.460172][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.460172][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.460172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.460172][ T10] [ 1738.461932][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1738.461932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.461932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.461932][ T10] ipv6_find_idev+0x102/0x170 [ 1738.461932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.461932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.461932][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.461932][ T10] netlink_unicast+0x449/0x710 [ 1738.461932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.461932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.461932][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.461932][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.461932][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.461932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.461932][ T10] [ 1738.463880][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1738.464141][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1738.464141][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.464141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.464141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.464141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.464141][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.464141][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.464141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.464141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.464141][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.464141][ T10] netlink_unicast+0x449/0x710 [ 1738.464141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.464141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.464141][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.464141][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.464141][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.464141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.464141][ T10] [ 1738.466229][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1738.466229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.466229][ T10] ipv6_find_idev+0x102/0x170 [ 1738.466229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.466229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.466229][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.466229][ T10] netlink_unicast+0x449/0x710 [ 1738.466229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.466229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.466229][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.466229][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.466229][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.466229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.466229][ T10] [ 1738.467927][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1738.467927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.467927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.467927][ T10] ipv6_find_idev+0x102/0x170 [ 1738.467927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.467927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.467927][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.467927][ T10] netlink_unicast+0x449/0x710 [ 1738.467927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.467927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.467927][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.467927][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.467927][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.467927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.467927][ T10] [ 1738.469829][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1738.470092][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1738.470092][ T10] netdev_get_by_index+0x5e/0x80 [ 1738.470092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1738.470092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1738.470092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1738.470092][ T10] ipv6_add_addr+0x411/0x2000 [ 1738.470092][ T10] inet6_addr_add+0x30e/0xa40 [ 1738.470092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.470092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.470092][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.470092][ T10] netlink_unicast+0x449/0x710 [ 1738.470092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.470092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.470092][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.470092][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.470092][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.470092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.470092][ T10] [ 1738.472372][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1738.472372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1738.472372][ T10] ipv6_find_idev+0x102/0x170 [ 1738.472372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.472372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.472372][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.472372][ T10] netlink_unicast+0x449/0x710 [ 1738.472372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.472372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.472372][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.472372][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.472372][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.472372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.472372][ T10] [ 1738.474086][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1738.474086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1738.474086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1738.474086][ T10] ipv6_find_idev+0x102/0x170 [ 1738.474086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.474086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.474086][ T10] netlink_rcv_skb+0x130/0x360 [ 1738.474086][ T10] netlink_unicast+0x449/0x710 [ 1738.474086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1738.474086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1738.474086][ T10] ___sys_sendmsg+0xee/0x170 [ 1738.474086][ T10] __sys_sendmsg+0xcd/0x170 [ 1738.474086][ T10] do_syscall_64+0xc6/0x1e0 [ 1738.474086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.474086][ T10] [ 1748.717892][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1748.718377][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1748.718377][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.718377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.718377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.718377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.718377][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.718377][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.718377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.718377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.718377][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.718377][ T10] netlink_unicast+0x449/0x710 [ 1748.718377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.718377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.718377][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.718377][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.718377][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.718377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.718377][ T10] [ 1748.720505][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1748.720505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.720505][ T10] ipv6_find_idev+0x102/0x170 [ 1748.720505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.720505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.720505][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.720505][ T10] netlink_unicast+0x449/0x710 [ 1748.720505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.720505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.720505][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.720505][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.720505][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.720505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.720505][ T10] [ 1748.722037][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1748.722037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.722037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.722037][ T10] ipv6_find_idev+0x102/0x170 [ 1748.722037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.722037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.722037][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.722037][ T10] netlink_unicast+0x449/0x710 [ 1748.722037][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.722037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.722037][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.722037][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.722037][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.722037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.722037][ T10] [ 1748.723721][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1748.724007][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1748.724007][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.724007][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.724007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.724007][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.724007][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.724007][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.724007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.724007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.724007][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.724007][ T10] netlink_unicast+0x449/0x710 [ 1748.724007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.724007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.724007][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.724007][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.724007][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.724007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.724007][ T10] [ 1748.725986][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1748.725986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.725986][ T10] ipv6_find_idev+0x102/0x170 [ 1748.725986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.725986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.725986][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.725986][ T10] netlink_unicast+0x449/0x710 [ 1748.725986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.725986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.725986][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.725986][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.725986][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.725986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.725986][ T10] [ 1748.727512][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1748.727512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.727512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.727512][ T10] ipv6_find_idev+0x102/0x170 [ 1748.727512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.727512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.727512][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.727512][ T10] netlink_unicast+0x449/0x710 [ 1748.727512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.727512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.727512][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.727512][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.727512][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.727512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.727512][ T10] [ 1748.729180][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1748.729443][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1748.729443][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.729443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.729443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.729443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.729443][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.729443][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.729443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.729443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.729443][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.729443][ T10] netlink_unicast+0x449/0x710 [ 1748.729443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.729443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.729443][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.729443][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.729443][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.729443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.729443][ T10] [ 1748.731419][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1748.731419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.731419][ T10] ipv6_find_idev+0x102/0x170 [ 1748.731419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.731419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.731419][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.731419][ T10] netlink_unicast+0x449/0x710 [ 1748.731419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.731419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.731419][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.731419][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.731419][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.731419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.731419][ T10] [ 1748.732938][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1748.732938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.732938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.732938][ T10] ipv6_find_idev+0x102/0x170 [ 1748.732938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.732938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.732938][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.732938][ T10] netlink_unicast+0x449/0x710 [ 1748.732938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.732938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.732938][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.732938][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.732938][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.732938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.732938][ T10] [ 1748.734610][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1748.735309][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1748.735309][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.735309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.735309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.735309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.735309][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.735309][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.735309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.735309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.735309][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.735309][ T10] netlink_unicast+0x449/0x710 [ 1748.735309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.735309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.735309][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.735309][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.735309][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.735309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.735309][ T10] [ 1748.737283][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1748.737283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.737283][ T10] ipv6_find_idev+0x102/0x170 [ 1748.737283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.737283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.737283][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.737283][ T10] netlink_unicast+0x449/0x710 [ 1748.737283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.737283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.737283][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.737283][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.737283][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.737283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.737283][ T10] [ 1748.738812][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1748.738812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.738812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.738812][ T10] ipv6_find_idev+0x102/0x170 [ 1748.738812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.738812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.738812][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.738812][ T10] netlink_unicast+0x449/0x710 [ 1748.738812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.738812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.738812][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.738812][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.738812][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.738812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.738812][ T10] [ 1748.740514][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1748.740776][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1748.740776][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.740776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.740776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.740776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.740776][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.740776][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.740776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.740776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.740776][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.740776][ T10] netlink_unicast+0x449/0x710 [ 1748.740776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.740776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.740776][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.740776][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.740776][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.740776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.740776][ T10] [ 1748.742767][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1748.742767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.742767][ T10] ipv6_find_idev+0x102/0x170 [ 1748.742767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.742767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.742767][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.742767][ T10] netlink_unicast+0x449/0x710 [ 1748.742767][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.742767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.742767][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.742767][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.742767][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.742767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.742767][ T10] [ 1748.744317][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1748.744317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.744317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.744317][ T10] ipv6_find_idev+0x102/0x170 [ 1748.744317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.744317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.744317][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.744317][ T10] netlink_unicast+0x449/0x710 [ 1748.744317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.744317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.744317][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.744317][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.744317][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.744317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.744317][ T10] [ 1748.746028][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1748.746290][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1748.746290][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.746290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.746290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.746290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.746290][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.746290][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.746290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.746290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.746290][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.746290][ T10] netlink_unicast+0x449/0x710 [ 1748.746290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.746290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.746290][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.746290][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.746290][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.746290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.746290][ T10] [ 1748.748384][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1748.748384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.748384][ T10] ipv6_find_idev+0x102/0x170 [ 1748.748384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.748384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.748384][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.748384][ T10] netlink_unicast+0x449/0x710 [ 1748.748384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.748384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.748384][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.748384][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.748384][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.748384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.748384][ T10] [ 1748.750164][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1748.750164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.750164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.750164][ T10] ipv6_find_idev+0x102/0x170 [ 1748.750164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.750164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.750164][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.750164][ T10] netlink_unicast+0x449/0x710 [ 1748.750164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.750164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.750164][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.750164][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.750164][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.750164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.750164][ T10] [ 1748.752050][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1748.752318][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1748.752318][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.752318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.752318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.752318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.752318][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.752318][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.752318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.752318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.752318][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.752318][ T10] netlink_unicast+0x449/0x710 [ 1748.752318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.752318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.752318][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.752318][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.752318][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.752318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.752318][ T10] [ 1748.754474][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1748.754474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.754474][ T10] ipv6_find_idev+0x102/0x170 [ 1748.754474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.754474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.754474][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.754474][ T10] netlink_unicast+0x449/0x710 [ 1748.754474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.754474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.754474][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.754474][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.754474][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.754474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.754474][ T10] [ 1748.756177][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1748.756177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.756177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.756177][ T10] ipv6_find_idev+0x102/0x170 [ 1748.756177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.756177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.756177][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.756177][ T10] netlink_unicast+0x449/0x710 [ 1748.756177][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.756177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.756177][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.756177][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.756177][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.756177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.756177][ T10] [ 1748.758061][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1748.758369][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1748.758369][ T10] netdev_get_by_index+0x5e/0x80 [ 1748.758369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1748.758369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1748.758369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1748.758369][ T10] ipv6_add_addr+0x411/0x2000 [ 1748.758369][ T10] inet6_addr_add+0x30e/0xa40 [ 1748.758369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.758369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.758369][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.758369][ T10] netlink_unicast+0x449/0x710 [ 1748.758369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.758369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.758369][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.758369][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.758369][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.758369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.758369][ T10] [ 1748.760584][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1748.760584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1748.760584][ T10] ipv6_find_idev+0x102/0x170 [ 1748.760584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.760584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.760584][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.760584][ T10] netlink_unicast+0x449/0x710 [ 1748.760584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.760584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.760584][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.760584][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.760584][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.760584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.760584][ T10] [ 1748.762284][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1748.762284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1748.762284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1748.762284][ T10] ipv6_find_idev+0x102/0x170 [ 1748.762284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.762284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.762284][ T10] netlink_rcv_skb+0x130/0x360 [ 1748.762284][ T10] netlink_unicast+0x449/0x710 [ 1748.762284][ T10] netlink_sendmsg+0x723/0xbe0 [ 1748.762284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1748.762284][ T10] ___sys_sendmsg+0xee/0x170 [ 1748.762284][ T10] __sys_sendmsg+0xcd/0x170 [ 1748.762284][ T10] do_syscall_64+0xc6/0x1e0 [ 1748.762284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.762284][ T10] [ 1759.005876][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1759.006378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1759.006378][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.006378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.006378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.006378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.006378][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.006378][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.006378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.006378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.006378][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.006378][ T10] netlink_unicast+0x449/0x710 [ 1759.006378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.006378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.006378][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.006378][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.006378][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.006378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.006378][ T10] [ 1759.008383][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1759.008383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.008383][ T10] ipv6_find_idev+0x102/0x170 [ 1759.008383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.008383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.008383][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.008383][ T10] netlink_unicast+0x449/0x710 [ 1759.008383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.008383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.008383][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.008383][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.008383][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.008383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.008383][ T10] [ 1759.009908][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1759.009908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.009908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.009908][ T10] ipv6_find_idev+0x102/0x170 [ 1759.009908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.009908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.009908][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.009908][ T10] netlink_unicast+0x449/0x710 [ 1759.009908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.009908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.009908][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.009908][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.009908][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.009908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.009908][ T10] [ 1759.011582][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1759.011867][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1759.011867][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.011867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.011867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.011867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.011867][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.011867][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.011867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.011867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.011867][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.011867][ T10] netlink_unicast+0x449/0x710 [ 1759.011867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.011867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.011867][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.011867][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.011867][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.011867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.011867][ T10] [ 1759.013855][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1759.013855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.013855][ T10] ipv6_find_idev+0x102/0x170 [ 1759.013855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.013855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.013855][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.013855][ T10] netlink_unicast+0x449/0x710 [ 1759.013855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.013855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.013855][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.013855][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.013855][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.013855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.013855][ T10] [ 1759.015379][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1759.015379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.015379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.015379][ T10] ipv6_find_idev+0x102/0x170 [ 1759.015379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.015379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.015379][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.015379][ T10] netlink_unicast+0x449/0x710 [ 1759.015379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.015379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.015379][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.015379][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.015379][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.015379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.015379][ T10] [ 1759.017042][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1759.017305][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1759.017305][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.017305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.017305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.017305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.017305][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.017305][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.017305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.017305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.017305][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.017305][ T10] netlink_unicast+0x449/0x710 [ 1759.017305][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.017305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.017305][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.017305][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.017305][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.017305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.017305][ T10] [ 1759.019295][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1759.019295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.019295][ T10] ipv6_find_idev+0x102/0x170 [ 1759.019295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.019295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.019295][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.019295][ T10] netlink_unicast+0x449/0x710 [ 1759.019295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.019295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.019295][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.019295][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.019295][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.019295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.019295][ T10] [ 1759.020825][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1759.020825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.020825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.020825][ T10] ipv6_find_idev+0x102/0x170 [ 1759.020825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.020825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.020825][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.020825][ T10] netlink_unicast+0x449/0x710 [ 1759.020825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.020825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.020825][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.020825][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.020825][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.020825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.020825][ T10] [ 1759.022492][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1759.022751][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1759.022751][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.022751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.022751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.022751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.022751][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.022751][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.022751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.022751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.022751][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.022751][ T10] netlink_unicast+0x449/0x710 [ 1759.022751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.022751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.022751][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.022751][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.022751][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.022751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.022751][ T10] [ 1759.024744][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1759.024744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.024744][ T10] ipv6_find_idev+0x102/0x170 [ 1759.024744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.024744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.024744][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.024744][ T10] netlink_unicast+0x449/0x710 [ 1759.024744][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.024744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.024744][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.024744][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.024744][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.024744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.024744][ T10] [ 1759.026265][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1759.026265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.026265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.026265][ T10] ipv6_find_idev+0x102/0x170 [ 1759.026265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.026265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.026265][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.026265][ T10] netlink_unicast+0x449/0x710 [ 1759.026265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.026265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.026265][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.026265][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.026265][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.026265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.026265][ T10] [ 1759.028324][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1759.028584][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1759.028584][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.028584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.028584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.028584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.028584][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.028584][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.028584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.028584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.028584][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.028584][ T10] netlink_unicast+0x449/0x710 [ 1759.028584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.028584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.028584][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.028584][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.028584][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.028584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.028584][ T10] [ 1759.030567][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1759.030567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.030567][ T10] ipv6_find_idev+0x102/0x170 [ 1759.030567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.030567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.030567][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.030567][ T10] netlink_unicast+0x449/0x710 [ 1759.030567][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.030567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.030567][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.030567][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.030567][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.030567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.030567][ T10] [ 1759.032087][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1759.032087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.032087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.032087][ T10] ipv6_find_idev+0x102/0x170 [ 1759.032087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.032087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.032087][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.032087][ T10] netlink_unicast+0x449/0x710 [ 1759.032087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.032087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.032087][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.032087][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.032087][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.032087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.032087][ T10] [ 1759.033806][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1759.034070][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1759.034070][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.034070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.034070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.034070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.034070][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.034070][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.034070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.034070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.034070][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.034070][ T10] netlink_unicast+0x449/0x710 [ 1759.034070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.034070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.034070][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.034070][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.034070][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.034070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.034070][ T10] [ 1759.036169][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1759.036169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.036169][ T10] ipv6_find_idev+0x102/0x170 [ 1759.036169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.036169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.036169][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.036169][ T10] netlink_unicast+0x449/0x710 [ 1759.036169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.036169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.036169][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.036169][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.036169][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.036169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.036169][ T10] [ 1759.037875][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1759.037875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.037875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.037875][ T10] ipv6_find_idev+0x102/0x170 [ 1759.037875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.037875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.037875][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.037875][ T10] netlink_unicast+0x449/0x710 [ 1759.037875][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.037875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.037875][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.037875][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.037875][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.037875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.037875][ T10] [ 1759.039872][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1759.040135][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1759.040135][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.040135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.040135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.040135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.040135][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.040135][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.040135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.040135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.040135][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.040135][ T10] netlink_unicast+0x449/0x710 [ 1759.040135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.040135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.040135][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.040135][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.040135][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.040135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.040135][ T10] [ 1759.042225][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1759.042225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.042225][ T10] ipv6_find_idev+0x102/0x170 [ 1759.042225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.042225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.042225][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.042225][ T10] netlink_unicast+0x449/0x710 [ 1759.042225][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.042225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.042225][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.042225][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.042225][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.042225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.042225][ T10] [ 1759.043933][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1759.043933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.043933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.043933][ T10] ipv6_find_idev+0x102/0x170 [ 1759.043933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.043933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.043933][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.043933][ T10] netlink_unicast+0x449/0x710 [ 1759.043933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.043933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.043933][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.043933][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.043933][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.043933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.043933][ T10] [ 1759.045827][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1759.046089][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1759.046089][ T10] netdev_get_by_index+0x5e/0x80 [ 1759.046089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1759.046089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1759.046089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1759.046089][ T10] ipv6_add_addr+0x411/0x2000 [ 1759.046089][ T10] inet6_addr_add+0x30e/0xa40 [ 1759.046089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.046089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.046089][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.046089][ T10] netlink_unicast+0x449/0x710 [ 1759.046089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.046089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.046089][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.046089][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.046089][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.046089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.046089][ T10] [ 1759.048357][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1759.048357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1759.048357][ T10] ipv6_find_idev+0x102/0x170 [ 1759.048357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.048357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.048357][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.048357][ T10] netlink_unicast+0x449/0x710 [ 1759.048357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.048357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.048357][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.048357][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.048357][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.048357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.048357][ T10] [ 1759.050070][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1759.050070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1759.050070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1759.050070][ T10] ipv6_find_idev+0x102/0x170 [ 1759.050070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.050070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.050070][ T10] netlink_rcv_skb+0x130/0x360 [ 1759.050070][ T10] netlink_unicast+0x449/0x710 [ 1759.050070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1759.050070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1759.050070][ T10] ___sys_sendmsg+0xee/0x170 [ 1759.050070][ T10] __sys_sendmsg+0xcd/0x170 [ 1759.050070][ T10] do_syscall_64+0xc6/0x1e0 [ 1759.050070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.050070][ T10] [ 1769.293913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1769.294402][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1769.294402][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.294402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.294402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.294402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.294402][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.294402][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.294402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.294402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.294402][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.294402][ T10] netlink_unicast+0x449/0x710 [ 1769.294402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.294402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.294402][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.294402][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.294402][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.294402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.294402][ T10] [ 1769.296407][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1769.296407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.296407][ T10] ipv6_find_idev+0x102/0x170 [ 1769.296407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.296407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.296407][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.296407][ T10] netlink_unicast+0x449/0x710 [ 1769.296407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.296407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.296407][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.296407][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.296407][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.296407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.296407][ T10] [ 1769.297945][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1769.297945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.297945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.297945][ T10] ipv6_find_idev+0x102/0x170 [ 1769.297945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.297945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.297945][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.297945][ T10] netlink_unicast+0x449/0x710 [ 1769.297945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.297945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.297945][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.297945][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.297945][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.297945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.297945][ T10] [ 1769.299621][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1769.299909][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1769.299909][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.299909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.299909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.299909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.299909][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.299909][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.299909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.299909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.299909][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.299909][ T10] netlink_unicast+0x449/0x710 [ 1769.299909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.299909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.299909][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.299909][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.299909][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.299909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.299909][ T10] [ 1769.301886][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1769.301886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.301886][ T10] ipv6_find_idev+0x102/0x170 [ 1769.301886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.301886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.301886][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.301886][ T10] netlink_unicast+0x449/0x710 [ 1769.301886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.301886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.301886][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.301886][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.301886][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.301886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.301886][ T10] [ 1769.303423][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1769.303423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.303423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.303423][ T10] ipv6_find_idev+0x102/0x170 [ 1769.303423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.303423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.303423][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.303423][ T10] netlink_unicast+0x449/0x710 [ 1769.303423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.303423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.303423][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.303423][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.303423][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.303423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.303423][ T10] [ 1769.305089][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1769.305352][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1769.305352][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.305352][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.305352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.305352][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.305352][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.305352][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.305352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.305352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.305352][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.305352][ T10] netlink_unicast+0x449/0x710 [ 1769.305352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.305352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.305352][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.305352][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.305352][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.305352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.305352][ T10] [ 1769.307324][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1769.307324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.307324][ T10] ipv6_find_idev+0x102/0x170 [ 1769.307324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.307324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.307324][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.307324][ T10] netlink_unicast+0x449/0x710 [ 1769.307324][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.307324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.307324][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.307324][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.307324][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.307324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.307324][ T10] [ 1769.308846][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1769.308846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.308846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.308846][ T10] ipv6_find_idev+0x102/0x170 [ 1769.308846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.308846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.308846][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.308846][ T10] netlink_unicast+0x449/0x710 [ 1769.308846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.308846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.308846][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.308846][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.308846][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.308846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.308846][ T10] [ 1769.310511][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1769.310779][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1769.310779][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.310779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.310779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.310779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.310779][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.310779][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.310779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.310779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.310779][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.310779][ T10] netlink_unicast+0x449/0x710 [ 1769.310779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.310779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.310779][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.310779][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.310779][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.310779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.310779][ T10] [ 1769.312752][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1769.312752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.312752][ T10] ipv6_find_idev+0x102/0x170 [ 1769.312752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.312752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.312752][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.312752][ T10] netlink_unicast+0x449/0x710 [ 1769.312752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.312752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.312752][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.312752][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.312752][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.312752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.312752][ T10] [ 1769.314288][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1769.314288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.314288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.314288][ T10] ipv6_find_idev+0x102/0x170 [ 1769.314288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.314288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.314288][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.314288][ T10] netlink_unicast+0x449/0x710 [ 1769.314288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.314288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.314288][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.314288][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.314288][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.314288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.314288][ T10] [ 1769.316011][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1769.316315][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1769.316315][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.316315][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.316315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.316315][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.316315][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.316315][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.316315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.316315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.316315][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.316315][ T10] netlink_unicast+0x449/0x710 [ 1769.316315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.316315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.316315][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.316315][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.316315][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.316315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.316315][ T10] [ 1769.318294][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1769.318294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.318294][ T10] ipv6_find_idev+0x102/0x170 [ 1769.318294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.318294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.318294][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.318294][ T10] netlink_unicast+0x449/0x710 [ 1769.318294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.318294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.318294][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.318294][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.318294][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.318294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.318294][ T10] [ 1769.319836][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1769.319836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.319836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.319836][ T10] ipv6_find_idev+0x102/0x170 [ 1769.319836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.319836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.319836][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.319836][ T10] netlink_unicast+0x449/0x710 [ 1769.319836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.319836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.319836][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.319836][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.319836][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.319836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.319836][ T10] [ 1769.321731][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1769.322057][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1769.322057][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.322057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.322057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.322057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.322057][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.322057][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.322057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.322057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.322057][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.322057][ T10] netlink_unicast+0x449/0x710 [ 1769.322057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.322057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.322057][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.322057][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.322057][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.322057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.322057][ T10] [ 1769.324278][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1769.324278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.324278][ T10] ipv6_find_idev+0x102/0x170 [ 1769.324278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.324278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.324278][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.324278][ T10] netlink_unicast+0x449/0x710 [ 1769.324278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.324278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.324278][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.324278][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.324278][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.324278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.324278][ T10] [ 1769.325979][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1769.325979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.325979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.325979][ T10] ipv6_find_idev+0x102/0x170 [ 1769.325979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.325979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.325979][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.325979][ T10] netlink_unicast+0x449/0x710 [ 1769.325979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.325979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.325979][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.325979][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.325979][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.325979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.325979][ T10] [ 1769.327929][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1769.328193][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1769.328193][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.328193][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.328193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.328193][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.328193][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.328193][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.328193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.328193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.328193][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.328193][ T10] netlink_unicast+0x449/0x710 [ 1769.328193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.328193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.328193][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.328193][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.328193][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.328193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.328193][ T10] [ 1769.330281][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1769.330281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.330281][ T10] ipv6_find_idev+0x102/0x170 [ 1769.330281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.330281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.330281][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.330281][ T10] netlink_unicast+0x449/0x710 [ 1769.330281][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.330281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.330281][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.330281][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.330281][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.330281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.330281][ T10] [ 1769.331980][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1769.331980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.331980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.331980][ T10] ipv6_find_idev+0x102/0x170 [ 1769.331980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.331980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.331980][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.331980][ T10] netlink_unicast+0x449/0x710 [ 1769.331980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.331980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.331980][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.331980][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.331980][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.331980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.331980][ T10] [ 1769.333963][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1769.334224][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1769.334224][ T10] netdev_get_by_index+0x5e/0x80 [ 1769.334224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1769.334224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1769.334224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1769.334224][ T10] ipv6_add_addr+0x411/0x2000 [ 1769.334224][ T10] inet6_addr_add+0x30e/0xa40 [ 1769.334224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.334224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.334224][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.334224][ T10] netlink_unicast+0x449/0x710 [ 1769.334224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.334224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.334224][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.334224][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.334224][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.334224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.334224][ T10] [ 1769.336320][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1769.336320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1769.336320][ T10] ipv6_find_idev+0x102/0x170 [ 1769.336320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.336320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.336320][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.336320][ T10] netlink_unicast+0x449/0x710 [ 1769.336320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.336320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.336320][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.336320][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.336320][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.336320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.336320][ T10] [ 1769.338015][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1769.338015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1769.338015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1769.338015][ T10] ipv6_find_idev+0x102/0x170 [ 1769.338015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.338015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.338015][ T10] netlink_rcv_skb+0x130/0x360 [ 1769.338015][ T10] netlink_unicast+0x449/0x710 [ 1769.338015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1769.338015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1769.338015][ T10] ___sys_sendmsg+0xee/0x170 [ 1769.338015][ T10] __sys_sendmsg+0xcd/0x170 [ 1769.338015][ T10] do_syscall_64+0xc6/0x1e0 [ 1769.338015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.338015][ T10] [ 1779.581894][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1779.582370][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1779.582370][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.582370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.582370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.582370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.582370][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.582370][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.582370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.582370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.582370][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.582370][ T10] netlink_unicast+0x449/0x710 [ 1779.582370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.582370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.582370][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.582370][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.582370][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.582370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.582370][ T10] [ 1779.584387][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1779.584387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.584387][ T10] ipv6_find_idev+0x102/0x170 [ 1779.584387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.584387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.584387][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.584387][ T10] netlink_unicast+0x449/0x710 [ 1779.584387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.584387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.584387][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.584387][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.584387][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.584387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.584387][ T10] [ 1779.585917][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1779.585917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.585917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.585917][ T10] ipv6_find_idev+0x102/0x170 [ 1779.585917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.585917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.585917][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.585917][ T10] netlink_unicast+0x449/0x710 [ 1779.585917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.585917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.585917][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.585917][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.585917][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.585917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.585917][ T10] [ 1779.587601][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1779.587878][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1779.587878][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.587878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.587878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.587878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.587878][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.587878][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.587878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.587878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.587878][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.587878][ T10] netlink_unicast+0x449/0x710 [ 1779.587878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.587878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.587878][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.587878][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.587878][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.587878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.587878][ T10] [ 1779.589871][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1779.589871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.589871][ T10] ipv6_find_idev+0x102/0x170 [ 1779.589871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.589871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.589871][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.589871][ T10] netlink_unicast+0x449/0x710 [ 1779.589871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.589871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.589871][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.589871][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.589871][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.589871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.589871][ T10] [ 1779.591393][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1779.591393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.591393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.591393][ T10] ipv6_find_idev+0x102/0x170 [ 1779.591393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.591393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.591393][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.591393][ T10] netlink_unicast+0x449/0x710 [ 1779.591393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.591393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.591393][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.591393][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.591393][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.591393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.591393][ T10] [ 1779.593062][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1779.593346][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1779.593346][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.593346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.593346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.593346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.593346][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.593346][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.593346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.593346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.593346][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.593346][ T10] netlink_unicast+0x449/0x710 [ 1779.593346][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.593346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.593346][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.593346][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.593346][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.593346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.593346][ T10] [ 1779.595338][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1779.595338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.595338][ T10] ipv6_find_idev+0x102/0x170 [ 1779.595338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.595338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.595338][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.595338][ T10] netlink_unicast+0x449/0x710 [ 1779.595338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.595338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.595338][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.595338][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.595338][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.595338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.595338][ T10] [ 1779.596865][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1779.596865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.596865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.596865][ T10] ipv6_find_idev+0x102/0x170 [ 1779.596865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.596865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.596865][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.596865][ T10] netlink_unicast+0x449/0x710 [ 1779.596865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.596865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.596865][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.596865][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.596865][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.596865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.596865][ T10] [ 1779.598524][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1779.598788][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1779.598788][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.598788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.598788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.598788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.598788][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.598788][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.598788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.598788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.598788][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.598788][ T10] netlink_unicast+0x449/0x710 [ 1779.598788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.598788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.598788][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.598788][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.598788][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.598788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.598788][ T10] [ 1779.600772][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1779.600772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.600772][ T10] ipv6_find_idev+0x102/0x170 [ 1779.600772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.600772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.600772][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.600772][ T10] netlink_unicast+0x449/0x710 [ 1779.600772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.600772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.600772][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.600772][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.600772][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.600772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.600772][ T10] [ 1779.602293][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1779.602293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.602293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.602293][ T10] ipv6_find_idev+0x102/0x170 [ 1779.602293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.602293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.602293][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.602293][ T10] netlink_unicast+0x449/0x710 [ 1779.602293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.602293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.602293][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.602293][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.602293][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.602293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.602293][ T10] [ 1779.604360][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1779.604619][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1779.604619][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.604619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.604619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.604619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.604619][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.604619][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.604619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.604619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.604619][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.604619][ T10] netlink_unicast+0x449/0x710 [ 1779.604619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.604619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.604619][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.604619][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.604619][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.604619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.604619][ T10] [ 1779.606584][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1779.606584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.606584][ T10] ipv6_find_idev+0x102/0x170 [ 1779.606584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.606584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.606584][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.606584][ T10] netlink_unicast+0x449/0x710 [ 1779.606584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.606584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.606584][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.606584][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.606584][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.606584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.606584][ T10] [ 1779.608100][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1779.608100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.608100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.608100][ T10] ipv6_find_idev+0x102/0x170 [ 1779.608100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.608100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.608100][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.608100][ T10] netlink_unicast+0x449/0x710 [ 1779.608100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.608100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.608100][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.608100][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.608100][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.608100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.608100][ T10] [ 1779.609813][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1779.610071][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1779.610071][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.610071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.610071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.610071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.610071][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.610071][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.610071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.610071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.610071][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.610071][ T10] netlink_unicast+0x449/0x710 [ 1779.610071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.610071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.610071][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.610071][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.610071][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.610071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.610071][ T10] [ 1779.612112][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1779.612112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.612112][ T10] ipv6_find_idev+0x102/0x170 [ 1779.612112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.612112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.612112][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.612112][ T10] netlink_unicast+0x449/0x710 [ 1779.612112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.612112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.612112][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.612112][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.612112][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.612112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.612112][ T10] [ 1779.613697][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1779.613697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.613697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.613697][ T10] ipv6_find_idev+0x102/0x170 [ 1779.613697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.613697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.613697][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.613697][ T10] netlink_unicast+0x449/0x710 [ 1779.613697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.613697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.613697][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.613697][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.613697][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.613697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.613697][ T10] [ 1779.615537][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1779.615801][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1779.615801][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.615801][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.615801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.615801][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.615801][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.615801][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.615801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.615801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.615801][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.615801][ T10] netlink_unicast+0x449/0x710 [ 1779.615801][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.615801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.615801][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.615801][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.615801][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.615801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.615801][ T10] [ 1779.617947][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1779.617947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.617947][ T10] ipv6_find_idev+0x102/0x170 [ 1779.617947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.617947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.617947][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.617947][ T10] netlink_unicast+0x449/0x710 [ 1779.617947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.617947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.617947][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.617947][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.617947][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.617947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.617947][ T10] [ 1779.619643][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1779.619643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.619643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.619643][ T10] ipv6_find_idev+0x102/0x170 [ 1779.619643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.619643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.619643][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.619643][ T10] netlink_unicast+0x449/0x710 [ 1779.619643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.619643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.619643][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.619643][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.619643][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.619643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.619643][ T10] [ 1779.621521][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1779.621845][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1779.621845][ T10] netdev_get_by_index+0x5e/0x80 [ 1779.621845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1779.621845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1779.621845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1779.621845][ T10] ipv6_add_addr+0x411/0x2000 [ 1779.621845][ T10] inet6_addr_add+0x30e/0xa40 [ 1779.621845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.621845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.621845][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.621845][ T10] netlink_unicast+0x449/0x710 [ 1779.621845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.621845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.621845][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.621845][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.621845][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.621845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.621845][ T10] [ 1779.624096][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1779.624096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1779.624096][ T10] ipv6_find_idev+0x102/0x170 [ 1779.624096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.624096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.624096][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.624096][ T10] netlink_unicast+0x449/0x710 [ 1779.624096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.624096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.624096][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.624096][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.624096][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.624096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.624096][ T10] [ 1779.625804][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1779.625804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1779.625804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1779.625804][ T10] ipv6_find_idev+0x102/0x170 [ 1779.625804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.625804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.625804][ T10] netlink_rcv_skb+0x130/0x360 [ 1779.625804][ T10] netlink_unicast+0x449/0x710 [ 1779.625804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1779.625804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1779.625804][ T10] ___sys_sendmsg+0xee/0x170 [ 1779.625804][ T10] __sys_sendmsg+0xcd/0x170 [ 1779.625804][ T10] do_syscall_64+0xc6/0x1e0 [ 1779.625804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.625804][ T10] [ 1789.869891][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1789.870395][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1789.870395][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.870395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.870395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.870395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.870395][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.870395][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.870395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.870395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.870395][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.870395][ T10] netlink_unicast+0x449/0x710 [ 1789.870395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.870395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.870395][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.870395][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.870395][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.870395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.870395][ T10] [ 1789.872421][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1789.872421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.872421][ T10] ipv6_find_idev+0x102/0x170 [ 1789.872421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.872421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.872421][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.872421][ T10] netlink_unicast+0x449/0x710 [ 1789.872421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.872421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.872421][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.872421][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.872421][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.872421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.872421][ T10] [ 1789.873979][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1789.873979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.873979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.873979][ T10] ipv6_find_idev+0x102/0x170 [ 1789.873979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.873979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.873979][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.873979][ T10] netlink_unicast+0x449/0x710 [ 1789.873979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.873979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.873979][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.873979][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.873979][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.873979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.873979][ T10] [ 1789.875684][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1789.875968][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1789.875968][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.875968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.875968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.875968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.875968][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.875968][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.875968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.875968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.875968][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.875968][ T10] netlink_unicast+0x449/0x710 [ 1789.875968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.875968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.875968][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.875968][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.875968][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.875968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.875968][ T10] [ 1789.877986][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1789.877986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.877986][ T10] ipv6_find_idev+0x102/0x170 [ 1789.877986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.877986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.877986][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.877986][ T10] netlink_unicast+0x449/0x710 [ 1789.877986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.877986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.877986][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.877986][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.877986][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.877986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.877986][ T10] [ 1789.879535][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1789.879535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.879535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.879535][ T10] ipv6_find_idev+0x102/0x170 [ 1789.879535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.879535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.879535][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.879535][ T10] netlink_unicast+0x449/0x710 [ 1789.879535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.879535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.879535][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.879535][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.879535][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.879535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.879535][ T10] [ 1789.881230][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1789.881494][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1789.881494][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.881494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.881494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.881494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.881494][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.881494][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.881494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.881494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.881494][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.881494][ T10] netlink_unicast+0x449/0x710 [ 1789.881494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.881494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.881494][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.881494][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.881494][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.881494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.881494][ T10] [ 1789.883500][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1789.883500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.883500][ T10] ipv6_find_idev+0x102/0x170 [ 1789.883500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.883500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.883500][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.883500][ T10] netlink_unicast+0x449/0x710 [ 1789.883500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.883500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.883500][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.883500][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.883500][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.883500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.883500][ T10] [ 1789.885046][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1789.885046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.885046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.885046][ T10] ipv6_find_idev+0x102/0x170 [ 1789.885046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.885046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.885046][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.885046][ T10] netlink_unicast+0x449/0x710 [ 1789.885046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.885046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.885046][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.885046][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.885046][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.885046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.885046][ T10] [ 1789.886734][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1789.887435][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1789.887435][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.887435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.887435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.887435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.887435][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.887435][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.887435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.887435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.887435][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.887435][ T10] netlink_unicast+0x449/0x710 [ 1789.887435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.887435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.887435][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.887435][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.887435][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.887435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.887435][ T10] [ 1789.889438][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1789.889438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.889438][ T10] ipv6_find_idev+0x102/0x170 [ 1789.889438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.889438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.889438][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.889438][ T10] netlink_unicast+0x449/0x710 [ 1789.889438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.889438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.889438][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.889438][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.889438][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.889438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.889438][ T10] [ 1789.890981][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1789.890981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.890981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.890981][ T10] ipv6_find_idev+0x102/0x170 [ 1789.890981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.890981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.890981][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.890981][ T10] netlink_unicast+0x449/0x710 [ 1789.890981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.890981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.890981][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.890981][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.890981][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.890981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.890981][ T10] [ 1789.892716][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1789.893045][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1789.893045][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.893045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.893045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.893045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.893045][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.893045][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.893045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.893045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.893045][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.893045][ T10] netlink_unicast+0x449/0x710 [ 1789.893045][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.893045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.893045][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.893045][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.893045][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.893045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.893045][ T10] [ 1789.895053][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1789.895053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.895053][ T10] ipv6_find_idev+0x102/0x170 [ 1789.895053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.895053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.895053][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.895053][ T10] netlink_unicast+0x449/0x710 [ 1789.895053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.895053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.895053][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.895053][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.895053][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.895053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.895053][ T10] [ 1789.896601][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1789.896601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.896601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.896601][ T10] ipv6_find_idev+0x102/0x170 [ 1789.896601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.896601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.896601][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.896601][ T10] netlink_unicast+0x449/0x710 [ 1789.896601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.896601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.896601][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.896601][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.896601][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.896601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.896601][ T10] [ 1789.898332][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1789.898596][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1789.898596][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.898596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.898596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.898596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.898596][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.898596][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.898596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.898596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.898596][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.898596][ T10] netlink_unicast+0x449/0x710 [ 1789.898596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.898596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.898596][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.898596][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.898596][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.898596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.898596][ T10] [ 1789.900671][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1789.900671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.900671][ T10] ipv6_find_idev+0x102/0x170 [ 1789.900671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.900671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.900671][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.900671][ T10] netlink_unicast+0x449/0x710 [ 1789.900671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.900671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.900671][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.900671][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.900671][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.900671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.900671][ T10] [ 1789.902458][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1789.902458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.902458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.902458][ T10] ipv6_find_idev+0x102/0x170 [ 1789.902458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.902458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.902458][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.902458][ T10] netlink_unicast+0x449/0x710 [ 1789.902458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.902458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.902458][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.902458][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.902458][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.902458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.902458][ T10] [ 1789.904381][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1789.904646][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1789.904646][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.904646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.904646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.904646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.904646][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.904646][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.904646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.904646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.904646][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.904646][ T10] netlink_unicast+0x449/0x710 [ 1789.904646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.904646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.904646][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.904646][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.904646][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.904646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.904646][ T10] [ 1789.906825][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1789.906825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.906825][ T10] ipv6_find_idev+0x102/0x170 [ 1789.906825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.906825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.906825][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.906825][ T10] netlink_unicast+0x449/0x710 [ 1789.906825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.906825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.906825][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.906825][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.906825][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.906825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.906825][ T10] [ 1789.908552][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1789.908552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.908552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.908552][ T10] ipv6_find_idev+0x102/0x170 [ 1789.908552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.908552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.908552][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.908552][ T10] netlink_unicast+0x449/0x710 [ 1789.908552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.908552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.908552][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.908552][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.908552][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.908552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.908552][ T10] [ 1789.910525][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1789.910851][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1789.910851][ T10] netdev_get_by_index+0x5e/0x80 [ 1789.910851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1789.910851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1789.910851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1789.910851][ T10] ipv6_add_addr+0x411/0x2000 [ 1789.910851][ T10] inet6_addr_add+0x30e/0xa40 [ 1789.910851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.910851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.910851][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.910851][ T10] netlink_unicast+0x449/0x710 [ 1789.910851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.910851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.910851][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.910851][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.910851][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.910851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.910851][ T10] [ 1789.913096][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1789.913096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1789.913096][ T10] ipv6_find_idev+0x102/0x170 [ 1789.913096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.913096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.913096][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.913096][ T10] netlink_unicast+0x449/0x710 [ 1789.913096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.913096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.913096][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.913096][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.913096][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.913096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.913096][ T10] [ 1789.914830][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1789.914830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1789.914830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1789.914830][ T10] ipv6_find_idev+0x102/0x170 [ 1789.914830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.914830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.914830][ T10] netlink_rcv_skb+0x130/0x360 [ 1789.914830][ T10] netlink_unicast+0x449/0x710 [ 1789.914830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1789.914830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1789.914830][ T10] ___sys_sendmsg+0xee/0x170 [ 1789.914830][ T10] __sys_sendmsg+0xcd/0x170 [ 1789.914830][ T10] do_syscall_64+0xc6/0x1e0 [ 1789.914830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.914830][ T10] [ 1800.165892][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1800.166406][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1800.166406][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.166406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.166406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.166406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.166406][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.166406][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.166406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.166406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.166406][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.166406][ T10] netlink_unicast+0x449/0x710 [ 1800.166406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.166406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.166406][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.166406][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.166406][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.166406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.166406][ T10] [ 1800.168438][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1800.168438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.168438][ T10] ipv6_find_idev+0x102/0x170 [ 1800.168438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.168438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.168438][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.168438][ T10] netlink_unicast+0x449/0x710 [ 1800.168438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.168438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.168438][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.168438][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.168438][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.168438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.168438][ T10] [ 1800.169991][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1800.169991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.169991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.169991][ T10] ipv6_find_idev+0x102/0x170 [ 1800.169991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.169991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.169991][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.169991][ T10] netlink_unicast+0x449/0x710 [ 1800.169991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.169991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.169991][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.169991][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.169991][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.169991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.169991][ T10] [ 1800.171815][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1800.172100][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1800.172100][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.172100][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.172100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.172100][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.172100][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.172100][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.172100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.172100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.172100][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.172100][ T10] netlink_unicast+0x449/0x710 [ 1800.172100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.172100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.172100][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.172100][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.172100][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.172100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.172100][ T10] [ 1800.174117][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1800.174117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.174117][ T10] ipv6_find_idev+0x102/0x170 [ 1800.174117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.174117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.174117][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.174117][ T10] netlink_unicast+0x449/0x710 [ 1800.174117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.174117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.174117][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.174117][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.174117][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.174117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.174117][ T10] [ 1800.175670][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1800.175670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.175670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.175670][ T10] ipv6_find_idev+0x102/0x170 [ 1800.175670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.175670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.175670][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.175670][ T10] netlink_unicast+0x449/0x710 [ 1800.175670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.175670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.175670][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.175670][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.175670][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.175670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.175670][ T10] [ 1800.177374][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1800.177641][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1800.177641][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.177641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.177641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.177641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.177641][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.177641][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.177641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.177641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.177641][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.177641][ T10] netlink_unicast+0x449/0x710 [ 1800.177641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.177641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.177641][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.177641][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.177641][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.177641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.177641][ T10] [ 1800.179667][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1800.179667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.179667][ T10] ipv6_find_idev+0x102/0x170 [ 1800.179667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.179667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.179667][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.179667][ T10] netlink_unicast+0x449/0x710 [ 1800.179667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.179667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.179667][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.179667][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.179667][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.179667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.179667][ T10] [ 1800.181214][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1800.181214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.181214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.181214][ T10] ipv6_find_idev+0x102/0x170 [ 1800.181214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.181214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.181214][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.181214][ T10] netlink_unicast+0x449/0x710 [ 1800.181214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.181214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.181214][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.181214][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.181214][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.181214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.181214][ T10] [ 1800.182919][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1800.183183][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1800.183183][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.183183][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.183183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.183183][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.183183][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.183183][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.183183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.183183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.183183][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.183183][ T10] netlink_unicast+0x449/0x710 [ 1800.183183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.183183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.183183][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.183183][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.183183][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.183183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.183183][ T10] [ 1800.185569][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1800.185569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.185569][ T10] ipv6_find_idev+0x102/0x170 [ 1800.185569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.185569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.185569][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.185569][ T10] netlink_unicast+0x449/0x710 [ 1800.185569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.185569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.185569][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.185569][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.185569][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.185569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.185569][ T10] [ 1800.187114][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1800.187114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.187114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.187114][ T10] ipv6_find_idev+0x102/0x170 [ 1800.187114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.187114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.187114][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.187114][ T10] netlink_unicast+0x449/0x710 [ 1800.187114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.187114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.187114][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.187114][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.187114][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.187114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.187114][ T10] [ 1800.189212][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1800.189476][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1800.189476][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.189476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.189476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.189476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.189476][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.189476][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.189476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.189476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.189476][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.189476][ T10] netlink_unicast+0x449/0x710 [ 1800.189476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.189476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.189476][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.189476][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.189476][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.189476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.189476][ T10] [ 1800.191474][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1800.191474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.191474][ T10] ipv6_find_idev+0x102/0x170 [ 1800.191474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.191474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.191474][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.191474][ T10] netlink_unicast+0x449/0x710 [ 1800.191474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.191474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.191474][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.191474][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.191474][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.191474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.191474][ T10] [ 1800.193014][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1800.193014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.193014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.193014][ T10] ipv6_find_idev+0x102/0x170 [ 1800.193014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.193014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.193014][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.193014][ T10] netlink_unicast+0x449/0x710 [ 1800.193014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.193014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.193014][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.193014][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.193014][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.193014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.193014][ T10] [ 1800.194748][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1800.195066][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1800.195066][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.195066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.195066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.195066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.195066][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.195066][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.195066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.195066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.195066][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.195066][ T10] netlink_unicast+0x449/0x710 [ 1800.195066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.195066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.195066][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.195066][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.195066][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.195066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.195066][ T10] [ 1800.197140][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1800.197140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.197140][ T10] ipv6_find_idev+0x102/0x170 [ 1800.197140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.197140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.197140][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.197140][ T10] netlink_unicast+0x449/0x710 [ 1800.197140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.197140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.197140][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.197140][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.197140][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.197140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.197140][ T10] [ 1800.198928][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1800.198928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.198928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.198928][ T10] ipv6_find_idev+0x102/0x170 [ 1800.198928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.198928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.198928][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.198928][ T10] netlink_unicast+0x449/0x710 [ 1800.198928][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.198928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.198928][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.198928][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.198928][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.198928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.198928][ T10] [ 1800.200854][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1800.201130][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1800.201130][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.201130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.201130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.201130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.201130][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.201130][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.201130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.201130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.201130][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.201130][ T10] netlink_unicast+0x449/0x710 [ 1800.201130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.201130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.201130][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.201130][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.201130][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.201130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.201130][ T10] [ 1800.203379][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1800.203379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.203379][ T10] ipv6_find_idev+0x102/0x170 [ 1800.203379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.203379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.203379][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.203379][ T10] netlink_unicast+0x449/0x710 [ 1800.203379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.203379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.203379][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.203379][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.203379][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.203379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.203379][ T10] [ 1800.205123][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1800.205123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.205123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.205123][ T10] ipv6_find_idev+0x102/0x170 [ 1800.205123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.205123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.205123][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.205123][ T10] netlink_unicast+0x449/0x710 [ 1800.205123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.205123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.205123][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.205123][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.205123][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.205123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.205123][ T10] [ 1800.207036][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1800.207302][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1800.207302][ T10] netdev_get_by_index+0x5e/0x80 [ 1800.207302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1800.207302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1800.207302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1800.207302][ T10] ipv6_add_addr+0x411/0x2000 [ 1800.207302][ T10] inet6_addr_add+0x30e/0xa40 [ 1800.207302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.207302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.207302][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.207302][ T10] netlink_unicast+0x449/0x710 [ 1800.207302][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.207302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.207302][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.207302][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.207302][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.207302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.207302][ T10] [ 1800.209606][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1800.209606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1800.209606][ T10] ipv6_find_idev+0x102/0x170 [ 1800.209606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.209606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.209606][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.209606][ T10] netlink_unicast+0x449/0x710 [ 1800.209606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.209606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.209606][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.209606][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.209606][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.209606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.209606][ T10] [ 1800.211337][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1800.211337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1800.211337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1800.211337][ T10] ipv6_find_idev+0x102/0x170 [ 1800.211337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.211337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.211337][ T10] netlink_rcv_skb+0x130/0x360 [ 1800.211337][ T10] netlink_unicast+0x449/0x710 [ 1800.211337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1800.211337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1800.211337][ T10] ___sys_sendmsg+0xee/0x170 [ 1800.211337][ T10] __sys_sendmsg+0xcd/0x170 [ 1800.211337][ T10] do_syscall_64+0xc6/0x1e0 [ 1800.211337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.211337][ T10] [ 1810.213976][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1810.214494][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1810.214494][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.214494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.214494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.214494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.214494][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.214494][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.214494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.214494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.214494][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.214494][ T10] netlink_unicast+0x449/0x710 [ 1810.214494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.214494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.214494][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.214494][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.214494][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.214494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.214494][ T10] [ 1810.216517][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1810.216517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.216517][ T10] ipv6_find_idev+0x102/0x170 [ 1810.216517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.216517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.216517][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.216517][ T10] netlink_unicast+0x449/0x710 [ 1810.216517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.216517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.216517][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.216517][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.216517][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.216517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.216517][ T10] [ 1810.218060][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1810.218060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.218060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.218060][ T10] ipv6_find_idev+0x102/0x170 [ 1810.218060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.218060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.218060][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.218060][ T10] netlink_unicast+0x449/0x710 [ 1810.218060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.218060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.218060][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.218060][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.218060][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.218060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.218060][ T10] [ 1810.219786][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1810.220071][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1810.220071][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.220071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.220071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.220071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.220071][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.220071][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.220071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.220071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.220071][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.220071][ T10] netlink_unicast+0x449/0x710 [ 1810.220071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.220071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.220071][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.220071][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.220071][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.220071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.220071][ T10] [ 1810.222067][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1810.222067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.222067][ T10] ipv6_find_idev+0x102/0x170 [ 1810.222067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.222067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.222067][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.222067][ T10] netlink_unicast+0x449/0x710 [ 1810.222067][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.222067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.222067][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.222067][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.222067][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.222067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.222067][ T10] [ 1810.223622][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1810.223622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.223622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.223622][ T10] ipv6_find_idev+0x102/0x170 [ 1810.223622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.223622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.223622][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.223622][ T10] netlink_unicast+0x449/0x710 [ 1810.223622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.223622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.223622][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.223622][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.223622][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.223622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.223622][ T10] [ 1810.225326][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1810.225596][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1810.225596][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.225596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.225596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.225596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.225596][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.225596][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.225596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.225596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.225596][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.225596][ T10] netlink_unicast+0x449/0x710 [ 1810.225596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.225596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.225596][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.225596][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.225596][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.225596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.225596][ T10] [ 1810.227610][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1810.227610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.227610][ T10] ipv6_find_idev+0x102/0x170 [ 1810.227610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.227610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.227610][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.227610][ T10] netlink_unicast+0x449/0x710 [ 1810.227610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.227610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.227610][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.227610][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.227610][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.227610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.227610][ T10] [ 1810.229158][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1810.229158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.229158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.229158][ T10] ipv6_find_idev+0x102/0x170 [ 1810.229158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.229158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.229158][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.229158][ T10] netlink_unicast+0x449/0x710 [ 1810.229158][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.229158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.229158][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.229158][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.229158][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.229158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.229158][ T10] [ 1810.230861][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1810.231128][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1810.231128][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.231128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.231128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.231128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.231128][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.231128][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.231128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.231128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.231128][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.231128][ T10] netlink_unicast+0x449/0x710 [ 1810.231128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.231128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.231128][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.231128][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.231128][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.231128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.231128][ T10] [ 1810.233134][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1810.233134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.233134][ T10] ipv6_find_idev+0x102/0x170 [ 1810.233134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.233134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.233134][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.233134][ T10] netlink_unicast+0x449/0x710 [ 1810.233134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.233134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.233134][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.233134][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.233134][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.233134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.233134][ T10] [ 1810.234690][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1810.234690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.234690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.234690][ T10] ipv6_find_idev+0x102/0x170 [ 1810.234690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.234690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.234690][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.234690][ T10] netlink_unicast+0x449/0x710 [ 1810.234690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.234690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.234690][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.234690][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.234690][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.234690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.234690][ T10] [ 1810.236799][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1810.237064][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1810.237064][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.237064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.237064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.237064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.237064][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.237064][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.237064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.237064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.237064][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.237064][ T10] netlink_unicast+0x449/0x710 [ 1810.237064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.237064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.237064][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.237064][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.237064][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.237064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.237064][ T10] [ 1810.239069][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1810.239069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.239069][ T10] ipv6_find_idev+0x102/0x170 [ 1810.239069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.239069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.239069][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.239069][ T10] netlink_unicast+0x449/0x710 [ 1810.239069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.239069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.239069][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.239069][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.239069][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.239069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.239069][ T10] [ 1810.240616][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1810.240616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.240616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.240616][ T10] ipv6_find_idev+0x102/0x170 [ 1810.240616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.240616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.240616][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.240616][ T10] netlink_unicast+0x449/0x710 [ 1810.240616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.240616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.240616][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.240616][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.240616][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.240616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.240616][ T10] [ 1810.242345][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1810.242609][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1810.242609][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.242609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.242609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.242609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.242609][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.242609][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.242609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.242609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.242609][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.242609][ T10] netlink_unicast+0x449/0x710 [ 1810.242609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.242609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.242609][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.242609][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.242609][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.242609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.242609][ T10] [ 1810.244758][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1810.244758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.244758][ T10] ipv6_find_idev+0x102/0x170 [ 1810.244758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.244758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.244758][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.244758][ T10] netlink_unicast+0x449/0x710 [ 1810.244758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.244758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.244758][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.244758][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.244758][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.244758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.244758][ T10] [ 1810.246483][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1810.246483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.246483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.246483][ T10] ipv6_find_idev+0x102/0x170 [ 1810.246483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.246483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.246483][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.246483][ T10] netlink_unicast+0x449/0x710 [ 1810.246483][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.246483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.246483][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.246483][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.246483][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.246483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.246483][ T10] [ 1810.248455][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1810.248719][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1810.248719][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.248719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.248719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.248719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.248719][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.248719][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.248719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.248719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.248719][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.248719][ T10] netlink_unicast+0x449/0x710 [ 1810.248719][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.248719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.248719][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.248719][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.248719][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.248719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.248719][ T10] [ 1810.250974][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1810.250974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.250974][ T10] ipv6_find_idev+0x102/0x170 [ 1810.250974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.250974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.250974][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.250974][ T10] netlink_unicast+0x449/0x710 [ 1810.250974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.250974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.250974][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.250974][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.250974][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.250974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.250974][ T10] [ 1810.252704][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1810.252704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.252704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.252704][ T10] ipv6_find_idev+0x102/0x170 [ 1810.252704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.252704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.252704][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.252704][ T10] netlink_unicast+0x449/0x710 [ 1810.252704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.252704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.252704][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.252704][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.252704][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.252704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.252704][ T10] [ 1810.254615][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1810.254940][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1810.254940][ T10] netdev_get_by_index+0x5e/0x80 [ 1810.254940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1810.254940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1810.254940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1810.254940][ T10] ipv6_add_addr+0x411/0x2000 [ 1810.254940][ T10] inet6_addr_add+0x30e/0xa40 [ 1810.254940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.254940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.254940][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.254940][ T10] netlink_unicast+0x449/0x710 [ 1810.254940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.254940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.254940][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.254940][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.254940][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.254940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.254940][ T10] [ 1810.257138][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1810.257138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1810.257138][ T10] ipv6_find_idev+0x102/0x170 [ 1810.257138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.257138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.257138][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.257138][ T10] netlink_unicast+0x449/0x710 [ 1810.257138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.257138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.257138][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.257138][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.257138][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.257138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.257138][ T10] [ 1810.259441][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1810.259441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1810.259441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1810.259441][ T10] ipv6_find_idev+0x102/0x170 [ 1810.259441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.259441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.259441][ T10] netlink_rcv_skb+0x130/0x360 [ 1810.259441][ T10] netlink_unicast+0x449/0x710 [ 1810.259441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1810.259441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1810.259441][ T10] ___sys_sendmsg+0xee/0x170 [ 1810.259441][ T10] __sys_sendmsg+0xcd/0x170 [ 1810.259441][ T10] do_syscall_64+0xc6/0x1e0 [ 1810.259441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.259441][ T10] [ 1820.373818][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1820.374323][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1820.374323][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.374323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.374323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.374323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.374323][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.374323][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.374323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.374323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.374323][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.374323][ T10] netlink_unicast+0x449/0x710 [ 1820.374323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.374323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.374323][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.374323][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.374323][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.374323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.374323][ T10] [ 1820.376328][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1820.376328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.376328][ T10] ipv6_find_idev+0x102/0x170 [ 1820.376328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.376328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.376328][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.376328][ T10] netlink_unicast+0x449/0x710 [ 1820.376328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.376328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.376328][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.376328][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.376328][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.376328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.376328][ T10] [ 1820.377866][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1820.377866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.377866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.377866][ T10] ipv6_find_idev+0x102/0x170 [ 1820.377866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.377866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.377866][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.377866][ T10] netlink_unicast+0x449/0x710 [ 1820.377866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.377866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.377866][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.377866][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.377866][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.377866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.377866][ T10] [ 1820.379545][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1820.379813][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1820.379813][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.379813][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.379813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.379813][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.379813][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.379813][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.379813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.379813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.379813][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.379813][ T10] netlink_unicast+0x449/0x710 [ 1820.379813][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.379813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.379813][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.379813][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.379813][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.379813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.379813][ T10] [ 1820.381788][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1820.381788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.381788][ T10] ipv6_find_idev+0x102/0x170 [ 1820.381788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.381788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.381788][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.381788][ T10] netlink_unicast+0x449/0x710 [ 1820.381788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.381788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.381788][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.381788][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.381788][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.381788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.381788][ T10] [ 1820.383333][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1820.383333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.383333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.383333][ T10] ipv6_find_idev+0x102/0x170 [ 1820.383333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.383333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.383333][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.383333][ T10] netlink_unicast+0x449/0x710 [ 1820.383333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.383333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.383333][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.383333][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.383333][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.383333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.383333][ T10] [ 1820.385000][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1820.385267][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1820.385267][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.385267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.385267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.385267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.385267][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.385267][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.385267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.385267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.385267][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.385267][ T10] netlink_unicast+0x449/0x710 [ 1820.385267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.385267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.385267][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.385267][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.385267][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.385267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.385267][ T10] [ 1820.387652][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1820.387652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.387652][ T10] ipv6_find_idev+0x102/0x170 [ 1820.387652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.387652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.387652][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.387652][ T10] netlink_unicast+0x449/0x710 [ 1820.387652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.387652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.387652][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.387652][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.387652][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.387652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.387652][ T10] [ 1820.389181][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1820.389181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.389181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.389181][ T10] ipv6_find_idev+0x102/0x170 [ 1820.389181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.389181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.389181][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.389181][ T10] netlink_unicast+0x449/0x710 [ 1820.389181][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.389181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.389181][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.389181][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.389181][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.389181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.389181][ T10] [ 1820.390858][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1820.391122][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1820.391122][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.391122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.391122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.391122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.391122][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.391122][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.391122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.391122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.391122][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.391122][ T10] netlink_unicast+0x449/0x710 [ 1820.391122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.391122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.391122][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.391122][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.391122][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.391122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.391122][ T10] [ 1820.393114][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1820.393114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.393114][ T10] ipv6_find_idev+0x102/0x170 [ 1820.393114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.393114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.393114][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.393114][ T10] netlink_unicast+0x449/0x710 [ 1820.393114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.393114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.393114][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.393114][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.393114][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.393114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.393114][ T10] [ 1820.394643][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1820.394643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.394643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.394643][ T10] ipv6_find_idev+0x102/0x170 [ 1820.394643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.394643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.394643][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.394643][ T10] netlink_unicast+0x449/0x710 [ 1820.394643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.394643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.394643][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.394643][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.394643][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.394643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.394643][ T10] [ 1820.396364][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1820.396625][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1820.396625][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.396625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.396625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.396625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.396625][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.396625][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.396625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.396625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.396625][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.396625][ T10] netlink_unicast+0x449/0x710 [ 1820.396625][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.396625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.396625][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.396625][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.396625][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.396625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.396625][ T10] [ 1820.398605][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1820.398605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.398605][ T10] ipv6_find_idev+0x102/0x170 [ 1820.398605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.398605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.398605][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.398605][ T10] netlink_unicast+0x449/0x710 [ 1820.398605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.398605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.398605][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.398605][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.398605][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.398605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.398605][ T10] [ 1820.400198][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1820.400198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.400198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.400198][ T10] ipv6_find_idev+0x102/0x170 [ 1820.400198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.400198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.400198][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.400198][ T10] netlink_unicast+0x449/0x710 [ 1820.400198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.400198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.400198][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.400198][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.400198][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.400198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.400198][ T10] [ 1820.401962][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1820.402225][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1820.402225][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.402225][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.402225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.402225][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.402225][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.402225][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.402225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.402225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.402225][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.402225][ T10] netlink_unicast+0x449/0x710 [ 1820.402225][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.402225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.402225][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.402225][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.402225][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.402225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.402225][ T10] [ 1820.404405][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1820.404405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.404405][ T10] ipv6_find_idev+0x102/0x170 [ 1820.404405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.404405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.404405][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.404405][ T10] netlink_unicast+0x449/0x710 [ 1820.404405][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.404405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.404405][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.404405][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.404405][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.404405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.404405][ T10] [ 1820.405991][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1820.405991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.405991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.405991][ T10] ipv6_find_idev+0x102/0x170 [ 1820.405991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.405991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.405991][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.405991][ T10] netlink_unicast+0x449/0x710 [ 1820.405991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.405991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.405991][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.405991][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.405991][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.405991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.405991][ T10] [ 1820.407824][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1820.408089][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1820.408089][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.408089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.408089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.408089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.408089][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.408089][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.408089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.408089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.408089][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.408089][ T10] netlink_unicast+0x449/0x710 [ 1820.408089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.408089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.408089][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.408089][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.408089][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.408089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.408089][ T10] [ 1820.410196][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1820.410196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.410196][ T10] ipv6_find_idev+0x102/0x170 [ 1820.410196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.410196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.410196][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.410196][ T10] netlink_unicast+0x449/0x710 [ 1820.410196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.410196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.410196][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.410196][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.410196][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.410196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.410196][ T10] [ 1820.411793][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1820.411793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.411793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.411793][ T10] ipv6_find_idev+0x102/0x170 [ 1820.411793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.411793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.411793][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.411793][ T10] netlink_unicast+0x449/0x710 [ 1820.411793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.411793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.411793][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.411793][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.411793][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.411793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.411793][ T10] [ 1820.413645][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1820.413964][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1820.413964][ T10] netdev_get_by_index+0x5e/0x80 [ 1820.413964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1820.413964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1820.413964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1820.413964][ T10] ipv6_add_addr+0x411/0x2000 [ 1820.413964][ T10] inet6_addr_add+0x30e/0xa40 [ 1820.413964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.413964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.413964][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.413964][ T10] netlink_unicast+0x449/0x710 [ 1820.413964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.413964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.413964][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.413964][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.413964][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.413964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.413964][ T10] [ 1820.416008][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1820.416008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1820.416008][ T10] ipv6_find_idev+0x102/0x170 [ 1820.416008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.416008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.416008][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.416008][ T10] netlink_unicast+0x449/0x710 [ 1820.416008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.416008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.416008][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.416008][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.416008][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.416008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.416008][ T10] [ 1820.417665][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1820.417665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1820.417665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1820.417665][ T10] ipv6_find_idev+0x102/0x170 [ 1820.417665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.417665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.417665][ T10] netlink_rcv_skb+0x130/0x360 [ 1820.417665][ T10] netlink_unicast+0x449/0x710 [ 1820.417665][ T10] netlink_sendmsg+0x723/0xbe0 [ 1820.417665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1820.417665][ T10] ___sys_sendmsg+0xee/0x170 [ 1820.417665][ T10] __sys_sendmsg+0xcd/0x170 [ 1820.417665][ T10] do_syscall_64+0xc6/0x1e0 [ 1820.417665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.417665][ T10] [ 1830.661897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1830.662395][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1830.662395][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.662395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.662395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.662395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.662395][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.662395][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.662395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.662395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.662395][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.662395][ T10] netlink_unicast+0x449/0x710 [ 1830.662395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.662395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.662395][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.662395][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.662395][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.662395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.662395][ T10] [ 1830.664571][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1830.664571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.664571][ T10] ipv6_find_idev+0x102/0x170 [ 1830.664571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.664571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.664571][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.664571][ T10] netlink_unicast+0x449/0x710 [ 1830.664571][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.664571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.664571][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.664571][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.664571][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.664571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.664571][ T10] [ 1830.666121][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1830.666121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.666121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.666121][ T10] ipv6_find_idev+0x102/0x170 [ 1830.666121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.666121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.666121][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.666121][ T10] netlink_unicast+0x449/0x710 [ 1830.666121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.666121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.666121][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.666121][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.666121][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.666121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.666121][ T10] [ 1830.667826][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1830.668097][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1830.668097][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.668097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.668097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.668097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.668097][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.668097][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.668097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.668097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.668097][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.668097][ T10] netlink_unicast+0x449/0x710 [ 1830.668097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.668097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.668097][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.668097][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.668097][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.668097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.668097][ T10] [ 1830.670082][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1830.670082][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.670082][ T10] ipv6_find_idev+0x102/0x170 [ 1830.670082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.670082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.670082][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.670082][ T10] netlink_unicast+0x449/0x710 [ 1830.670082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.670082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.670082][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.670082][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.670082][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.670082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.670082][ T10] [ 1830.671627][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1830.671627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.671627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.671627][ T10] ipv6_find_idev+0x102/0x170 [ 1830.671627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.671627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.671627][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.671627][ T10] netlink_unicast+0x449/0x710 [ 1830.671627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.671627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.671627][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.671627][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.671627][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.671627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.671627][ T10] [ 1830.673672][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1830.674323][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1830.674323][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.674323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.674323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.674323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.674323][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.674323][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.674323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.674323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.674323][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.674323][ T10] netlink_unicast+0x449/0x710 [ 1830.674323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.674323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.674323][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.674323][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.674323][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.674323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.674323][ T10] [ 1830.676315][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1830.676315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.676315][ T10] ipv6_find_idev+0x102/0x170 [ 1830.676315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.676315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.676315][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.676315][ T10] netlink_unicast+0x449/0x710 [ 1830.676315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.676315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.676315][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.676315][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.676315][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.676315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.676315][ T10] [ 1830.677854][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1830.677854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.677854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.677854][ T10] ipv6_find_idev+0x102/0x170 [ 1830.677854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.677854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.677854][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.677854][ T10] netlink_unicast+0x449/0x710 [ 1830.677854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.677854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.677854][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.677854][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.677854][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.677854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.677854][ T10] [ 1830.679542][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1830.679803][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1830.679803][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.679803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.679803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.679803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.679803][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.679803][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.679803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.679803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.679803][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.679803][ T10] netlink_unicast+0x449/0x710 [ 1830.679803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.679803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.679803][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.679803][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.679803][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.679803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.679803][ T10] [ 1830.681797][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1830.681797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.681797][ T10] ipv6_find_idev+0x102/0x170 [ 1830.681797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.681797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.681797][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.681797][ T10] netlink_unicast+0x449/0x710 [ 1830.681797][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.681797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.681797][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.681797][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.681797][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.681797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.681797][ T10] [ 1830.683337][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1830.683337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.683337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.683337][ T10] ipv6_find_idev+0x102/0x170 [ 1830.683337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.683337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.683337][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.683337][ T10] netlink_unicast+0x449/0x710 [ 1830.683337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.683337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.683337][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.683337][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.683337][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.683337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.683337][ T10] [ 1830.685409][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1830.685673][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1830.685673][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.685673][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.685673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.685673][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.685673][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.685673][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.685673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.685673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.685673][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.685673][ T10] netlink_unicast+0x449/0x710 [ 1830.685673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.685673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.685673][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.685673][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.685673][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.685673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.685673][ T10] [ 1830.687659][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1830.687659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.687659][ T10] ipv6_find_idev+0x102/0x170 [ 1830.687659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.687659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.687659][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.687659][ T10] netlink_unicast+0x449/0x710 [ 1830.687659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.687659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.687659][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.687659][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.687659][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.687659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.687659][ T10] [ 1830.689186][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1830.689186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.689186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.689186][ T10] ipv6_find_idev+0x102/0x170 [ 1830.689186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.689186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.689186][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.689186][ T10] netlink_unicast+0x449/0x710 [ 1830.689186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.689186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.689186][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.689186][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.689186][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.689186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.689186][ T10] [ 1830.690898][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1830.691162][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1830.691162][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.691162][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.691162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.691162][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.691162][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.691162][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.691162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.691162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.691162][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.691162][ T10] netlink_unicast+0x449/0x710 [ 1830.691162][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.691162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.691162][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.691162][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.691162][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.691162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.691162][ T10] [ 1830.693365][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1830.693365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.693365][ T10] ipv6_find_idev+0x102/0x170 [ 1830.693365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.693365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.693365][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.693365][ T10] netlink_unicast+0x449/0x710 [ 1830.693365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.693365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.693365][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.693365][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.693365][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.693365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.693365][ T10] [ 1830.695020][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1830.695020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.695020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.695020][ T10] ipv6_find_idev+0x102/0x170 [ 1830.695020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.695020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.695020][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.695020][ T10] netlink_unicast+0x449/0x710 [ 1830.695020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.695020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.695020][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.695020][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.695020][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.695020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.695020][ T10] [ 1830.697030][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1830.697294][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1830.697294][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.697294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.697294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.697294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.697294][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.697294][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.697294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.697294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.697294][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.697294][ T10] netlink_unicast+0x449/0x710 [ 1830.697294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.697294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.697294][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.697294][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.697294][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.697294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.697294][ T10] [ 1830.699398][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1830.699398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.699398][ T10] ipv6_find_idev+0x102/0x170 [ 1830.699398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.699398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.699398][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.699398][ T10] netlink_unicast+0x449/0x710 [ 1830.699398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.699398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.699398][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.699398][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.699398][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.699398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.699398][ T10] [ 1830.701106][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1830.701106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.701106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.701106][ T10] ipv6_find_idev+0x102/0x170 [ 1830.701106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.701106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.701106][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.701106][ T10] netlink_unicast+0x449/0x710 [ 1830.701106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.701106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.701106][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.701106][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.701106][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.701106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.701106][ T10] [ 1830.703000][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1830.703276][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1830.703276][ T10] netdev_get_by_index+0x5e/0x80 [ 1830.703276][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1830.703276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1830.703276][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1830.703276][ T10] ipv6_add_addr+0x411/0x2000 [ 1830.703276][ T10] inet6_addr_add+0x30e/0xa40 [ 1830.703276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.703276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.703276][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.703276][ T10] netlink_unicast+0x449/0x710 [ 1830.703276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.703276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.703276][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.703276][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.703276][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.703276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.703276][ T10] [ 1830.705457][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1830.705457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1830.705457][ T10] ipv6_find_idev+0x102/0x170 [ 1830.705457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.705457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.705457][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.705457][ T10] netlink_unicast+0x449/0x710 [ 1830.705457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.705457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.705457][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.705457][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.705457][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.705457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.705457][ T10] [ 1830.707238][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1830.707238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1830.707238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1830.707238][ T10] ipv6_find_idev+0x102/0x170 [ 1830.707238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.707238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.707238][ T10] netlink_rcv_skb+0x130/0x360 [ 1830.707238][ T10] netlink_unicast+0x449/0x710 [ 1830.707238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1830.707238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1830.707238][ T10] ___sys_sendmsg+0xee/0x170 [ 1830.707238][ T10] __sys_sendmsg+0xcd/0x170 [ 1830.707238][ T10] do_syscall_64+0xc6/0x1e0 [ 1830.707238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.707238][ T10] [ 1840.949842][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1840.950373][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1840.950373][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.950373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.950373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.950373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.950373][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.950373][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.950373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.950373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.950373][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.950373][ T10] netlink_unicast+0x449/0x710 [ 1840.950373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.950373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.950373][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.950373][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.950373][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.950373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.950373][ T10] [ 1840.952423][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1840.952423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.952423][ T10] ipv6_find_idev+0x102/0x170 [ 1840.952423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.952423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.952423][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.952423][ T10] netlink_unicast+0x449/0x710 [ 1840.952423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.952423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.952423][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.952423][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.952423][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.952423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.952423][ T10] [ 1840.953997][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1840.953997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.953997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.953997][ T10] ipv6_find_idev+0x102/0x170 [ 1840.953997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.953997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.953997][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.953997][ T10] netlink_unicast+0x449/0x710 [ 1840.953997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.953997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.953997][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.953997][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.953997][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.953997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.953997][ T10] [ 1840.955701][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1840.955991][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1840.955991][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.955991][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.955991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.955991][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.955991][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.955991][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.955991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.955991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.955991][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.955991][ T10] netlink_unicast+0x449/0x710 [ 1840.955991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.955991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.955991][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.955991][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.955991][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.955991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.955991][ T10] [ 1840.957992][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1840.957992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.957992][ T10] ipv6_find_idev+0x102/0x170 [ 1840.957992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.957992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.957992][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.957992][ T10] netlink_unicast+0x449/0x710 [ 1840.957992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.957992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.957992][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.957992][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.957992][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.957992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.957992][ T10] [ 1840.959538][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1840.959538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.959538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.959538][ T10] ipv6_find_idev+0x102/0x170 [ 1840.959538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.959538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.959538][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.959538][ T10] netlink_unicast+0x449/0x710 [ 1840.959538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.959538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.959538][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.959538][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.959538][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.959538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.959538][ T10] [ 1840.961235][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1840.961499][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1840.961499][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.961499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.961499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.961499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.961499][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.961499][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.961499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.961499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.961499][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.961499][ T10] netlink_unicast+0x449/0x710 [ 1840.961499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.961499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.961499][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.961499][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.961499][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.961499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.961499][ T10] [ 1840.963535][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1840.963535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.963535][ T10] ipv6_find_idev+0x102/0x170 [ 1840.963535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.963535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.963535][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.963535][ T10] netlink_unicast+0x449/0x710 [ 1840.963535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.963535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.963535][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.963535][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.963535][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.963535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.963535][ T10] [ 1840.965086][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1840.965086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.965086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.965086][ T10] ipv6_find_idev+0x102/0x170 [ 1840.965086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.965086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.965086][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.965086][ T10] netlink_unicast+0x449/0x710 [ 1840.965086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.965086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.965086][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.965086][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.965086][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.965086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.965086][ T10] [ 1840.966801][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1840.967069][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1840.967069][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.967069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.967069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.967069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.967069][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.967069][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.967069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.967069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.967069][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.967069][ T10] netlink_unicast+0x449/0x710 [ 1840.967069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.967069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.967069][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.967069][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.967069][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.967069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.967069][ T10] [ 1840.969079][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1840.969079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.969079][ T10] ipv6_find_idev+0x102/0x170 [ 1840.969079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.969079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.969079][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.969079][ T10] netlink_unicast+0x449/0x710 [ 1840.969079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.969079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.969079][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.969079][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.969079][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.969079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.969079][ T10] [ 1840.970643][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1840.970643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.970643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.970643][ T10] ipv6_find_idev+0x102/0x170 [ 1840.970643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.970643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.970643][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.970643][ T10] netlink_unicast+0x449/0x710 [ 1840.970643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.970643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.970643][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.970643][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.970643][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.970643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.970643][ T10] [ 1840.972738][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1840.973401][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1840.973401][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.973401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.973401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.973401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.973401][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.973401][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.973401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.973401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.973401][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.973401][ T10] netlink_unicast+0x449/0x710 [ 1840.973401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.973401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.973401][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.973401][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.973401][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.973401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.973401][ T10] [ 1840.975431][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1840.975431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.975431][ T10] ipv6_find_idev+0x102/0x170 [ 1840.975431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.975431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.975431][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.975431][ T10] netlink_unicast+0x449/0x710 [ 1840.975431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.975431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.975431][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.975431][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.975431][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.975431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.975431][ T10] [ 1840.976976][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1840.976976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.976976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.976976][ T10] ipv6_find_idev+0x102/0x170 [ 1840.976976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.976976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.976976][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.976976][ T10] netlink_unicast+0x449/0x710 [ 1840.976976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.976976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.976976][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.976976][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.976976][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.976976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.976976][ T10] [ 1840.978680][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1840.979004][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1840.979004][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.979004][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.979004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.979004][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.979004][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.979004][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.979004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.979004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.979004][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.979004][ T10] netlink_unicast+0x449/0x710 [ 1840.979004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.979004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.979004][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.979004][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.979004][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.979004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.979004][ T10] [ 1840.981023][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1840.981023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.981023][ T10] ipv6_find_idev+0x102/0x170 [ 1840.981023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.981023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.981023][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.981023][ T10] netlink_unicast+0x449/0x710 [ 1840.981023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.981023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.981023][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.981023][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.981023][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.981023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.981023][ T10] [ 1840.982646][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1840.982646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.982646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.982646][ T10] ipv6_find_idev+0x102/0x170 [ 1840.982646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.982646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.982646][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.982646][ T10] netlink_unicast+0x449/0x710 [ 1840.982646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.982646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.982646][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.982646][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.982646][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.982646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.982646][ T10] [ 1840.984569][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1840.984888][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1840.984888][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.984888][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.984888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.984888][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.984888][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.984888][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.984888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.984888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.984888][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.984888][ T10] netlink_unicast+0x449/0x710 [ 1840.984888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.984888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.984888][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.984888][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.984888][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.984888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.984888][ T10] [ 1840.987069][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1840.987069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.987069][ T10] ipv6_find_idev+0x102/0x170 [ 1840.987069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.987069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.987069][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.987069][ T10] netlink_unicast+0x449/0x710 [ 1840.987069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.987069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.987069][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.987069][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.987069][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.987069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.987069][ T10] [ 1840.988879][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1840.988879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.988879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.988879][ T10] ipv6_find_idev+0x102/0x170 [ 1840.988879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.988879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.988879][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.988879][ T10] netlink_unicast+0x449/0x710 [ 1840.988879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.988879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.988879][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.988879][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.988879][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.988879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.988879][ T10] [ 1840.990810][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1840.991123][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1840.991123][ T10] netdev_get_by_index+0x5e/0x80 [ 1840.991123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1840.991123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1840.991123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1840.991123][ T10] ipv6_add_addr+0x411/0x2000 [ 1840.991123][ T10] inet6_addr_add+0x30e/0xa40 [ 1840.991123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.991123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.991123][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.991123][ T10] netlink_unicast+0x449/0x710 [ 1840.991123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.991123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.991123][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.991123][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.991123][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.991123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.991123][ T10] [ 1840.993359][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1840.993359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1840.993359][ T10] ipv6_find_idev+0x102/0x170 [ 1840.993359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.993359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.993359][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.993359][ T10] netlink_unicast+0x449/0x710 [ 1840.993359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.993359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.993359][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.993359][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.993359][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.993359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.993359][ T10] [ 1840.995086][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1840.995086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1840.995086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1840.995086][ T10] ipv6_find_idev+0x102/0x170 [ 1840.995086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.995086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.995086][ T10] netlink_rcv_skb+0x130/0x360 [ 1840.995086][ T10] netlink_unicast+0x449/0x710 [ 1840.995086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1840.995086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1840.995086][ T10] ___sys_sendmsg+0xee/0x170 [ 1840.995086][ T10] __sys_sendmsg+0xcd/0x170 [ 1840.995086][ T10] do_syscall_64+0xc6/0x1e0 [ 1840.995086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.995086][ T10] [ 1851.237949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1851.238471][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1851.238471][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.238471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.238471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.238471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.238471][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.238471][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.238471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.238471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.238471][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.238471][ T10] netlink_unicast+0x449/0x710 [ 1851.238471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.238471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.238471][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.238471][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.238471][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.238471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.238471][ T10] [ 1851.240542][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1851.240542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.240542][ T10] ipv6_find_idev+0x102/0x170 [ 1851.240542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.240542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.240542][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.240542][ T10] netlink_unicast+0x449/0x710 [ 1851.240542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.240542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.240542][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.240542][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.240542][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.240542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.240542][ T10] [ 1851.242090][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1851.242090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.242090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.242090][ T10] ipv6_find_idev+0x102/0x170 [ 1851.242090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.242090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.242090][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.242090][ T10] netlink_unicast+0x449/0x710 [ 1851.242090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.242090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.242090][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.242090][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.242090][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.242090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.242090][ T10] [ 1851.243811][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1851.244089][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1851.244089][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.244089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.244089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.244089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.244089][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.244089][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.244089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.244089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.244089][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.244089][ T10] netlink_unicast+0x449/0x710 [ 1851.244089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.244089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.244089][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.244089][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.244089][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.244089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.244089][ T10] [ 1851.246096][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1851.246096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.246096][ T10] ipv6_find_idev+0x102/0x170 [ 1851.246096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.246096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.246096][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.246096][ T10] netlink_unicast+0x449/0x710 [ 1851.246096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.246096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.246096][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.246096][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.246096][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.246096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.246096][ T10] [ 1851.247639][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1851.247639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.247639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.247639][ T10] ipv6_find_idev+0x102/0x170 [ 1851.247639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.247639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.247639][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.247639][ T10] netlink_unicast+0x449/0x710 [ 1851.247639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.247639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.247639][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.247639][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.247639][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.247639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.247639][ T10] [ 1851.249339][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1851.249607][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1851.249607][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.249607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.249607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.249607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.249607][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.249607][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.249607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.249607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.249607][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.249607][ T10] netlink_unicast+0x449/0x710 [ 1851.249607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.249607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.249607][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.249607][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.249607][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.249607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.249607][ T10] [ 1851.251607][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1851.251607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.251607][ T10] ipv6_find_idev+0x102/0x170 [ 1851.251607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.251607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.251607][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.251607][ T10] netlink_unicast+0x449/0x710 [ 1851.251607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.251607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.251607][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.251607][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.251607][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.251607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.251607][ T10] [ 1851.253172][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1851.253172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.253172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.253172][ T10] ipv6_find_idev+0x102/0x170 [ 1851.253172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.253172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.253172][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.253172][ T10] netlink_unicast+0x449/0x710 [ 1851.253172][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.253172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.253172][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.253172][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.253172][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.253172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.253172][ T10] [ 1851.255001][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1851.255270][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1851.255270][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.255270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.255270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.255270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.255270][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.255270][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.255270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.255270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.255270][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.255270][ T10] netlink_unicast+0x449/0x710 [ 1851.255270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.255270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.255270][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.255270][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.255270][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.255270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.255270][ T10] [ 1851.257284][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1851.257284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.257284][ T10] ipv6_find_idev+0x102/0x170 [ 1851.257284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.257284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.257284][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.257284][ T10] netlink_unicast+0x449/0x710 [ 1851.257284][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.257284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.257284][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.257284][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.257284][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.257284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.257284][ T10] [ 1851.258831][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1851.258831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.258831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.258831][ T10] ipv6_find_idev+0x102/0x170 [ 1851.258831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.258831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.258831][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.258831][ T10] netlink_unicast+0x449/0x710 [ 1851.258831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.258831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.258831][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.258831][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.258831][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.258831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.258831][ T10] [ 1851.260940][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1851.261536][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1851.261536][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.261536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.261536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.261536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.261536][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.261536][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.261536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.261536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.261536][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.261536][ T10] netlink_unicast+0x449/0x710 [ 1851.261536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.261536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.261536][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.261536][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.261536][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.261536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.261536][ T10] [ 1851.263548][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1851.263548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.263548][ T10] ipv6_find_idev+0x102/0x170 [ 1851.263548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.263548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.263548][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.263548][ T10] netlink_unicast+0x449/0x710 [ 1851.263548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.263548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.263548][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.263548][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.263548][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.263548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.263548][ T10] [ 1851.265093][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1851.265093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.265093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.265093][ T10] ipv6_find_idev+0x102/0x170 [ 1851.265093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.265093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.265093][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.265093][ T10] netlink_unicast+0x449/0x710 [ 1851.265093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.265093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.265093][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.265093][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.265093][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.265093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.265093][ T10] [ 1851.266788][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1851.267055][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1851.267055][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.267055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.267055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.267055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.267055][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.267055][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.267055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.267055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.267055][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.267055][ T10] netlink_unicast+0x449/0x710 [ 1851.267055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.267055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.267055][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.267055][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.267055][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.267055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.267055][ T10] [ 1851.269115][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1851.269115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.269115][ T10] ipv6_find_idev+0x102/0x170 [ 1851.269115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.269115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.269115][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.269115][ T10] netlink_unicast+0x449/0x710 [ 1851.269115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.269115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.269115][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.269115][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.269115][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.269115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.269115][ T10] [ 1851.270790][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1851.270790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.270790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.270790][ T10] ipv6_find_idev+0x102/0x170 [ 1851.270790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.270790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.270790][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.270790][ T10] netlink_unicast+0x449/0x710 [ 1851.270790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.270790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.270790][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.270790][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.270790][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.270790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.270790][ T10] [ 1851.272803][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1851.273134][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1851.273134][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.273134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.273134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.273134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.273134][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.273134][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.273134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.273134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.273134][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.273134][ T10] netlink_unicast+0x449/0x710 [ 1851.273134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.273134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.273134][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.273134][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.273134][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.273134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.273134][ T10] [ 1851.275340][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1851.275340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.275340][ T10] ipv6_find_idev+0x102/0x170 [ 1851.275340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.275340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.275340][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.275340][ T10] netlink_unicast+0x449/0x710 [ 1851.275340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.275340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.275340][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.275340][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.275340][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.275340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.275340][ T10] [ 1851.277064][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1851.277064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.277064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.277064][ T10] ipv6_find_idev+0x102/0x170 [ 1851.277064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.277064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.277064][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.277064][ T10] netlink_unicast+0x449/0x710 [ 1851.277064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.277064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.277064][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.277064][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.277064][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.277064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.277064][ T10] [ 1851.278985][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1851.279299][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1851.279299][ T10] netdev_get_by_index+0x5e/0x80 [ 1851.279299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1851.279299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1851.279299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1851.279299][ T10] ipv6_add_addr+0x411/0x2000 [ 1851.279299][ T10] inet6_addr_add+0x30e/0xa40 [ 1851.279299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.279299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.279299][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.279299][ T10] netlink_unicast+0x449/0x710 [ 1851.279299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.279299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.279299][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.279299][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.279299][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.279299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.279299][ T10] [ 1851.281499][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1851.281499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1851.281499][ T10] ipv6_find_idev+0x102/0x170 [ 1851.281499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.281499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.281499][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.281499][ T10] netlink_unicast+0x449/0x710 [ 1851.281499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.281499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.281499][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.281499][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.281499][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.281499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.281499][ T10] [ 1851.283310][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1851.283310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1851.283310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1851.283310][ T10] ipv6_find_idev+0x102/0x170 [ 1851.283310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.283310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.283310][ T10] netlink_rcv_skb+0x130/0x360 [ 1851.283310][ T10] netlink_unicast+0x449/0x710 [ 1851.283310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1851.283310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1851.283310][ T10] ___sys_sendmsg+0xee/0x170 [ 1851.283310][ T10] __sys_sendmsg+0xcd/0x170 [ 1851.283310][ T10] do_syscall_64+0xc6/0x1e0 [ 1851.283310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.283310][ T10] [ 1861.293930][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1861.294454][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1861.294454][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.294454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.294454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.294454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.294454][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.294454][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.294454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.294454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.294454][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.294454][ T10] netlink_unicast+0x449/0x710 [ 1861.294454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.294454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.294454][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.294454][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.294454][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.294454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.294454][ T10] [ 1861.296531][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1861.296531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.296531][ T10] ipv6_find_idev+0x102/0x170 [ 1861.296531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.296531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.296531][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.296531][ T10] netlink_unicast+0x449/0x710 [ 1861.296531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.296531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.296531][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.296531][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.296531][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.296531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.296531][ T10] [ 1861.298083][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1861.298083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.298083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.298083][ T10] ipv6_find_idev+0x102/0x170 [ 1861.298083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.298083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.298083][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.298083][ T10] netlink_unicast+0x449/0x710 [ 1861.298083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.298083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.298083][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.298083][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.298083][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.298083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.298083][ T10] [ 1861.299808][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1861.300086][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1861.300086][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.300086][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.300086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.300086][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.300086][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.300086][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.300086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.300086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.300086][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.300086][ T10] netlink_unicast+0x449/0x710 [ 1861.300086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.300086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.300086][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.300086][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.300086][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.300086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.300086][ T10] [ 1861.302092][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1861.302092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.302092][ T10] ipv6_find_idev+0x102/0x170 [ 1861.302092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.302092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.302092][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.302092][ T10] netlink_unicast+0x449/0x710 [ 1861.302092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.302092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.302092][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.302092][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.302092][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.302092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.302092][ T10] [ 1861.303668][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1861.303668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.303668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.303668][ T10] ipv6_find_idev+0x102/0x170 [ 1861.303668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.303668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.303668][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.303668][ T10] netlink_unicast+0x449/0x710 [ 1861.303668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.303668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.303668][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.303668][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.303668][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.303668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.303668][ T10] [ 1861.305900][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1861.306171][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1861.306171][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.306171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.306171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.306171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.306171][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.306171][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.306171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.306171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.306171][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.306171][ T10] netlink_unicast+0x449/0x710 [ 1861.306171][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.306171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.306171][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.306171][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.306171][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.306171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.306171][ T10] [ 1861.308183][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1861.308183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.308183][ T10] ipv6_find_idev+0x102/0x170 [ 1861.308183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.308183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.308183][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.308183][ T10] netlink_unicast+0x449/0x710 [ 1861.308183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.308183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.308183][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.308183][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.308183][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.308183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.308183][ T10] [ 1861.309762][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1861.309762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.309762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.309762][ T10] ipv6_find_idev+0x102/0x170 [ 1861.309762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.309762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.309762][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.309762][ T10] netlink_unicast+0x449/0x710 [ 1861.309762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.309762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.309762][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.309762][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.309762][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.309762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.309762][ T10] [ 1861.311462][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1861.311726][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1861.311726][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.311726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.311726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.311726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.311726][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.311726][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.311726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.311726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.311726][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.311726][ T10] netlink_unicast+0x449/0x710 [ 1861.311726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.311726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.311726][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.311726][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.311726][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.311726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.311726][ T10] [ 1861.313747][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1861.313747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.313747][ T10] ipv6_find_idev+0x102/0x170 [ 1861.313747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.313747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.313747][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.313747][ T10] netlink_unicast+0x449/0x710 [ 1861.313747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.313747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.313747][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.313747][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.313747][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.313747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.313747][ T10] [ 1861.315667][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1861.315667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.315667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.315667][ T10] ipv6_find_idev+0x102/0x170 [ 1861.315667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.315667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.315667][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.315667][ T10] netlink_unicast+0x449/0x710 [ 1861.315667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.315667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.315667][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.315667][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.315667][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.315667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.315667][ T10] [ 1861.317759][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1861.318371][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1861.318371][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.318371][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.318371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.318371][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.318371][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.318371][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.318371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.318371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.318371][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.318371][ T10] netlink_unicast+0x449/0x710 [ 1861.318371][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.318371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.318371][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.318371][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.318371][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.318371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.318371][ T10] [ 1861.320366][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1861.320366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.320366][ T10] ipv6_find_idev+0x102/0x170 [ 1861.320366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.320366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.320366][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.320366][ T10] netlink_unicast+0x449/0x710 [ 1861.320366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.320366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.320366][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.320366][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.320366][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.320366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.320366][ T10] [ 1861.321906][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1861.321906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.321906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.321906][ T10] ipv6_find_idev+0x102/0x170 [ 1861.321906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.321906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.321906][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.321906][ T10] netlink_unicast+0x449/0x710 [ 1861.321906][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.321906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.321906][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.321906][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.321906][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.321906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.321906][ T10] [ 1861.323594][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1861.323912][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1861.323912][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.323912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.323912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.323912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.323912][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.323912][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.323912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.323912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.323912][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.323912][ T10] netlink_unicast+0x449/0x710 [ 1861.323912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.323912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.323912][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.323912][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.323912][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.323912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.323912][ T10] [ 1861.325938][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1861.325938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.325938][ T10] ipv6_find_idev+0x102/0x170 [ 1861.325938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.325938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.325938][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.325938][ T10] netlink_unicast+0x449/0x710 [ 1861.325938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.325938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.325938][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.325938][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.325938][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.325938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.325938][ T10] [ 1861.327545][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1861.327545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.327545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.327545][ T10] ipv6_find_idev+0x102/0x170 [ 1861.327545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.327545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.327545][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.327545][ T10] netlink_unicast+0x449/0x710 [ 1861.327545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.327545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.327545][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.327545][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.327545][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.327545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.327545][ T10] [ 1861.329522][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1861.329843][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1861.329843][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.329843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.329843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.329843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.329843][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.329843][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.329843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.329843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.329843][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.329843][ T10] netlink_unicast+0x449/0x710 [ 1861.329843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.329843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.329843][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.329843][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.329843][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.329843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.329843][ T10] [ 1861.332376][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1861.332376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.332376][ T10] ipv6_find_idev+0x102/0x170 [ 1861.332376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.332376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.332376][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.332376][ T10] netlink_unicast+0x449/0x710 [ 1861.332376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.332376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.332376][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.332376][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.332376][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.332376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.332376][ T10] [ 1861.334095][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1861.334095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.334095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.334095][ T10] ipv6_find_idev+0x102/0x170 [ 1861.334095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.334095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.334095][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.334095][ T10] netlink_unicast+0x449/0x710 [ 1861.334095][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.334095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.334095][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.334095][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.334095][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.334095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.334095][ T10] [ 1861.335990][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1861.336301][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1861.336301][ T10] netdev_get_by_index+0x5e/0x80 [ 1861.336301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1861.336301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1861.336301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1861.336301][ T10] ipv6_add_addr+0x411/0x2000 [ 1861.336301][ T10] inet6_addr_add+0x30e/0xa40 [ 1861.336301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.336301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.336301][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.336301][ T10] netlink_unicast+0x449/0x710 [ 1861.336301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.336301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.336301][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.336301][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.336301][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.336301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.336301][ T10] [ 1861.338480][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1861.338480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1861.338480][ T10] ipv6_find_idev+0x102/0x170 [ 1861.338480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.338480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.338480][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.338480][ T10] netlink_unicast+0x449/0x710 [ 1861.338480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.338480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.338480][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.338480][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.338480][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.338480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.338480][ T10] [ 1861.340253][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1861.340253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1861.340253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1861.340253][ T10] ipv6_find_idev+0x102/0x170 [ 1861.340253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.340253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.340253][ T10] netlink_rcv_skb+0x130/0x360 [ 1861.340253][ T10] netlink_unicast+0x449/0x710 [ 1861.340253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1861.340253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1861.340253][ T10] ___sys_sendmsg+0xee/0x170 [ 1861.340253][ T10] __sys_sendmsg+0xcd/0x170 [ 1861.340253][ T10] do_syscall_64+0xc6/0x1e0 [ 1861.340253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.340253][ T10] [ 1871.349951][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1871.350522][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1871.350522][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.350522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.350522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.350522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.350522][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.350522][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.350522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.350522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.350522][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.350522][ T10] netlink_unicast+0x449/0x710 [ 1871.350522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.350522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.350522][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.350522][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.350522][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.350522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.350522][ T10] [ 1871.352560][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1871.352560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.352560][ T10] ipv6_find_idev+0x102/0x170 [ 1871.352560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.352560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.352560][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.352560][ T10] netlink_unicast+0x449/0x710 [ 1871.352560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.352560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.352560][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.352560][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.352560][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.352560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.352560][ T10] [ 1871.354106][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1871.354106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.354106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.354106][ T10] ipv6_find_idev+0x102/0x170 [ 1871.354106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.354106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.354106][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.354106][ T10] netlink_unicast+0x449/0x710 [ 1871.354106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.354106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.354106][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.354106][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.354106][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.354106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.354106][ T10] [ 1871.355860][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1871.356156][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1871.356156][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.356156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.356156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.356156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.356156][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.356156][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.356156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.356156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.356156][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.356156][ T10] netlink_unicast+0x449/0x710 [ 1871.356156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.356156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.356156][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.356156][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.356156][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.356156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.356156][ T10] [ 1871.358175][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1871.358175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.358175][ T10] ipv6_find_idev+0x102/0x170 [ 1871.358175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.358175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.358175][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.358175][ T10] netlink_unicast+0x449/0x710 [ 1871.358175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.358175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.358175][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.358175][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.358175][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.358175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.358175][ T10] [ 1871.359734][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1871.359734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.359734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.359734][ T10] ipv6_find_idev+0x102/0x170 [ 1871.359734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.359734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.359734][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.359734][ T10] netlink_unicast+0x449/0x710 [ 1871.359734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.359734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.359734][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.359734][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.359734][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.359734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.359734][ T10] [ 1871.361436][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1871.361707][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1871.361707][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.361707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.361707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.361707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.361707][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.361707][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.361707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.361707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.361707][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.361707][ T10] netlink_unicast+0x449/0x710 [ 1871.361707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.361707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.361707][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.361707][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.361707][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.361707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.361707][ T10] [ 1871.363722][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1871.363722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.363722][ T10] ipv6_find_idev+0x102/0x170 [ 1871.363722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.363722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.363722][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.363722][ T10] netlink_unicast+0x449/0x710 [ 1871.363722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.363722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.363722][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.363722][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.363722][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.363722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.363722][ T10] [ 1871.365271][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1871.365271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.365271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.365271][ T10] ipv6_find_idev+0x102/0x170 [ 1871.365271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.365271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.365271][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.365271][ T10] netlink_unicast+0x449/0x710 [ 1871.365271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.365271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.365271][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.365271][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.365271][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.365271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.365271][ T10] [ 1871.366984][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1871.367262][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1871.367262][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.367262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.367262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.367262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.367262][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.367262][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.367262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.367262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.367262][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.367262][ T10] netlink_unicast+0x449/0x710 [ 1871.367262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.367262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.367262][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.367262][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.367262][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.367262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.367262][ T10] [ 1871.369285][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1871.369285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.369285][ T10] ipv6_find_idev+0x102/0x170 [ 1871.369285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.369285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.369285][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.369285][ T10] netlink_unicast+0x449/0x710 [ 1871.369285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.369285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.369285][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.369285][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.369285][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.369285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.369285][ T10] [ 1871.370826][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1871.370826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.370826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.370826][ T10] ipv6_find_idev+0x102/0x170 [ 1871.370826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.370826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.370826][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.370826][ T10] netlink_unicast+0x449/0x710 [ 1871.370826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.370826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.370826][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.370826][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.370826][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.370826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.370826][ T10] [ 1871.372940][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1871.373529][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1871.373529][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.373529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.373529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.373529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.373529][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.373529][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.373529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.373529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.373529][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.373529][ T10] netlink_unicast+0x449/0x710 [ 1871.373529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.373529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.373529][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.373529][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.373529][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.373529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.373529][ T10] [ 1871.375543][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1871.375543][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.375543][ T10] ipv6_find_idev+0x102/0x170 [ 1871.375543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.375543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.375543][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.375543][ T10] netlink_unicast+0x449/0x710 [ 1871.375543][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.375543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.375543][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.375543][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.375543][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.375543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.375543][ T10] [ 1871.377076][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1871.377076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.377076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.377076][ T10] ipv6_find_idev+0x102/0x170 [ 1871.377076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.377076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.377076][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.377076][ T10] netlink_unicast+0x449/0x710 [ 1871.377076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.377076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.377076][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.377076][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.377076][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.377076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.377076][ T10] [ 1871.378780][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1871.379095][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1871.379095][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.379095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.379095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.379095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.379095][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.379095][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.379095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.379095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.379095][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.379095][ T10] netlink_unicast+0x449/0x710 [ 1871.379095][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.379095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.379095][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.379095][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.379095][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.379095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.379095][ T10] [ 1871.381099][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1871.381099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.381099][ T10] ipv6_find_idev+0x102/0x170 [ 1871.381099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.381099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.381099][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.381099][ T10] netlink_unicast+0x449/0x710 [ 1871.381099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.381099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.381099][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.381099][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.381099][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.381099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.381099][ T10] [ 1871.382705][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1871.382705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.382705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.382705][ T10] ipv6_find_idev+0x102/0x170 [ 1871.382705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.382705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.382705][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.382705][ T10] netlink_unicast+0x449/0x710 [ 1871.382705][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.382705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.382705][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.382705][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.382705][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.382705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.382705][ T10] [ 1871.384635][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1871.384954][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1871.384954][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.384954][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.384954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.384954][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.384954][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.384954][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.384954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.384954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.384954][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.384954][ T10] netlink_unicast+0x449/0x710 [ 1871.384954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.384954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.384954][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.384954][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.384954][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.384954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.384954][ T10] [ 1871.387139][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1871.387139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.387139][ T10] ipv6_find_idev+0x102/0x170 [ 1871.387139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.387139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.387139][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.387139][ T10] netlink_unicast+0x449/0x710 [ 1871.387139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.387139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.387139][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.387139][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.387139][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.387139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.387139][ T10] [ 1871.388939][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1871.388939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.388939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.388939][ T10] ipv6_find_idev+0x102/0x170 [ 1871.388939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.388939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.388939][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.388939][ T10] netlink_unicast+0x449/0x710 [ 1871.388939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.388939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.388939][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.388939][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.388939][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.388939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.388939][ T10] [ 1871.390902][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1871.391217][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1871.391217][ T10] netdev_get_by_index+0x5e/0x80 [ 1871.391217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1871.391217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1871.391217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1871.391217][ T10] ipv6_add_addr+0x411/0x2000 [ 1871.391217][ T10] inet6_addr_add+0x30e/0xa40 [ 1871.391217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.391217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.391217][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.391217][ T10] netlink_unicast+0x449/0x710 [ 1871.391217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.391217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.391217][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.391217][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.391217][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.391217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.391217][ T10] [ 1871.393406][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1871.393406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1871.393406][ T10] ipv6_find_idev+0x102/0x170 [ 1871.393406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.393406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.393406][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.393406][ T10] netlink_unicast+0x449/0x710 [ 1871.393406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.393406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.393406][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.393406][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.393406][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.393406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.393406][ T10] [ 1871.395130][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1871.395130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1871.395130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1871.395130][ T10] ipv6_find_idev+0x102/0x170 [ 1871.395130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.395130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.395130][ T10] netlink_rcv_skb+0x130/0x360 [ 1871.395130][ T10] netlink_unicast+0x449/0x710 [ 1871.395130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1871.395130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1871.395130][ T10] ___sys_sendmsg+0xee/0x170 [ 1871.395130][ T10] __sys_sendmsg+0xcd/0x170 [ 1871.395130][ T10] do_syscall_64+0xc6/0x1e0 [ 1871.395130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.395130][ T10] [ 1881.637955][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1881.639030][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1881.639030][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.639030][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.639030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.639030][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.639030][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.639030][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.639030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.639030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.639030][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.639030][ T10] netlink_unicast+0x449/0x710 [ 1881.639030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.639030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.639030][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.639030][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.639030][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.639030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.639030][ T10] [ 1881.641188][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1881.641188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.641188][ T10] ipv6_find_idev+0x102/0x170 [ 1881.641188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.641188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.641188][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.641188][ T10] netlink_unicast+0x449/0x710 [ 1881.641188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.641188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.641188][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.641188][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.641188][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.641188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.641188][ T10] [ 1881.642734][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1881.642734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.642734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.642734][ T10] ipv6_find_idev+0x102/0x170 [ 1881.642734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.642734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.642734][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.642734][ T10] netlink_unicast+0x449/0x710 [ 1881.642734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.642734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.642734][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.642734][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.642734][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.642734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.642734][ T10] [ 1881.644432][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1881.644703][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1881.644703][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.644703][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.644703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.644703][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.644703][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.644703][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.644703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.644703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.644703][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.644703][ T10] netlink_unicast+0x449/0x710 [ 1881.644703][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.644703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.644703][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.644703][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.644703][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.644703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.644703][ T10] [ 1881.646681][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1881.646681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.646681][ T10] ipv6_find_idev+0x102/0x170 [ 1881.646681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.646681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.646681][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.646681][ T10] netlink_unicast+0x449/0x710 [ 1881.646681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.646681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.646681][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.646681][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.646681][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.646681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.646681][ T10] [ 1881.648208][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1881.648208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.648208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.648208][ T10] ipv6_find_idev+0x102/0x170 [ 1881.648208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.648208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.648208][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.648208][ T10] netlink_unicast+0x449/0x710 [ 1881.648208][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.648208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.648208][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.648208][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.648208][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.648208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.648208][ T10] [ 1881.649875][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1881.650148][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1881.650148][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.650148][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.650148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.650148][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.650148][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.650148][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.650148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.650148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.650148][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.650148][ T10] netlink_unicast+0x449/0x710 [ 1881.650148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.650148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.650148][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.650148][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.650148][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.650148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.650148][ T10] [ 1881.652141][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1881.652141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.652141][ T10] ipv6_find_idev+0x102/0x170 [ 1881.652141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.652141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.652141][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.652141][ T10] netlink_unicast+0x449/0x710 [ 1881.652141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.652141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.652141][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.652141][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.652141][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.652141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.652141][ T10] [ 1881.653674][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1881.653674][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.653674][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.653674][ T10] ipv6_find_idev+0x102/0x170 [ 1881.653674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.653674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.653674][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.653674][ T10] netlink_unicast+0x449/0x710 [ 1881.653674][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.653674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.653674][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.653674][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.653674][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.653674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.653674][ T10] [ 1881.655377][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1881.655638][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1881.655638][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.655638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.655638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.655638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.655638][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.655638][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.655638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.655638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.655638][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.655638][ T10] netlink_unicast+0x449/0x710 [ 1881.655638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.655638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.655638][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.655638][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.655638][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.655638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.655638][ T10] [ 1881.657729][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1881.657729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.657729][ T10] ipv6_find_idev+0x102/0x170 [ 1881.657729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.657729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.657729][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.657729][ T10] netlink_unicast+0x449/0x710 [ 1881.657729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.657729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.657729][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.657729][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.657729][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.657729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.657729][ T10] [ 1881.659271][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1881.659271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.659271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.659271][ T10] ipv6_find_idev+0x102/0x170 [ 1881.659271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.659271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.659271][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.659271][ T10] netlink_unicast+0x449/0x710 [ 1881.659271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.659271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.659271][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.659271][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.659271][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.659271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.659271][ T10] [ 1881.660936][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1881.661194][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1881.661194][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.661194][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.661194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.661194][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.661194][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.661194][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.661194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.661194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.661194][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.661194][ T10] netlink_unicast+0x449/0x710 [ 1881.661194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.661194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.661194][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.661194][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.661194][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.661194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.661194][ T10] [ 1881.663174][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1881.663174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.663174][ T10] ipv6_find_idev+0x102/0x170 [ 1881.663174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.663174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.663174][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.663174][ T10] netlink_unicast+0x449/0x710 [ 1881.663174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.663174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.663174][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.663174][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.663174][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.663174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.663174][ T10] [ 1881.664766][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1881.664766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.664766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.664766][ T10] ipv6_find_idev+0x102/0x170 [ 1881.664766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.664766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.664766][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.664766][ T10] netlink_unicast+0x449/0x710 [ 1881.664766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.664766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.664766][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.664766][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.664766][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.664766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.664766][ T10] [ 1881.667995][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1881.668267][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1881.668267][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.668267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.668267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.668267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.668267][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.668267][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.668267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.668267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.668267][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.668267][ T10] netlink_unicast+0x449/0x710 [ 1881.668267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.668267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.668267][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.668267][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.668267][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.668267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.668267][ T10] [ 1881.670243][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1881.670243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.670243][ T10] ipv6_find_idev+0x102/0x170 [ 1881.670243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.670243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.670243][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.670243][ T10] netlink_unicast+0x449/0x710 [ 1881.670243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.670243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.670243][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.670243][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.670243][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.670243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.670243][ T10] [ 1881.671819][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1881.671819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.671819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.671819][ T10] ipv6_find_idev+0x102/0x170 [ 1881.671819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.671819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.671819][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.671819][ T10] netlink_unicast+0x449/0x710 [ 1881.671819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.671819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.671819][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.671819][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.671819][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.671819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.671819][ T10] [ 1881.673786][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1881.674046][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1881.674046][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.674046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.674046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.674046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.674046][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.674046][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.674046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.674046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.674046][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.674046][ T10] netlink_unicast+0x449/0x710 [ 1881.674046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.674046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.674046][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.674046][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.674046][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.674046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.674046][ T10] [ 1881.676195][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1881.676195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.676195][ T10] ipv6_find_idev+0x102/0x170 [ 1881.676195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.676195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.676195][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.676195][ T10] netlink_unicast+0x449/0x710 [ 1881.676195][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.676195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.676195][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.676195][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.676195][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.676195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.676195][ T10] [ 1881.677899][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1881.677899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.677899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.677899][ T10] ipv6_find_idev+0x102/0x170 [ 1881.677899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.677899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.677899][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.677899][ T10] netlink_unicast+0x449/0x710 [ 1881.677899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.677899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.677899][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.677899][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.677899][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.677899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.677899][ T10] [ 1881.679855][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1881.680117][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1881.680117][ T10] netdev_get_by_index+0x5e/0x80 [ 1881.680117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1881.680117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1881.680117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1881.680117][ T10] ipv6_add_addr+0x411/0x2000 [ 1881.680117][ T10] inet6_addr_add+0x30e/0xa40 [ 1881.680117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.680117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.680117][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.680117][ T10] netlink_unicast+0x449/0x710 [ 1881.680117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.680117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.680117][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.680117][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.680117][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.680117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.680117][ T10] [ 1881.682321][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1881.682321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1881.682321][ T10] ipv6_find_idev+0x102/0x170 [ 1881.682321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.682321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.682321][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.682321][ T10] netlink_unicast+0x449/0x710 [ 1881.682321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.682321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.682321][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.682321][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.682321][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.682321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.682321][ T10] [ 1881.684026][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1881.684026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1881.684026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1881.684026][ T10] ipv6_find_idev+0x102/0x170 [ 1881.684026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.684026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.684026][ T10] netlink_rcv_skb+0x130/0x360 [ 1881.684026][ T10] netlink_unicast+0x449/0x710 [ 1881.684026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1881.684026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1881.684026][ T10] ___sys_sendmsg+0xee/0x170 [ 1881.684026][ T10] __sys_sendmsg+0xcd/0x170 [ 1881.684026][ T10] do_syscall_64+0xc6/0x1e0 [ 1881.684026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.684026][ T10] [ 1891.925904][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1891.926465][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1891.926465][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.926465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.926465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.926465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.926465][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.926465][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.926465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.926465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.926465][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.926465][ T10] netlink_unicast+0x449/0x710 [ 1891.926465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.926465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.926465][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.926465][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.926465][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.926465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.926465][ T10] [ 1891.928526][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1891.928526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.928526][ T10] ipv6_find_idev+0x102/0x170 [ 1891.928526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.928526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.928526][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.928526][ T10] netlink_unicast+0x449/0x710 [ 1891.928526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.928526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.928526][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.928526][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.928526][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.928526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.928526][ T10] [ 1891.930061][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1891.930061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.930061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.930061][ T10] ipv6_find_idev+0x102/0x170 [ 1891.930061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.930061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.930061][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.930061][ T10] netlink_unicast+0x449/0x710 [ 1891.930061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.930061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.930061][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.930061][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.930061][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.930061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.930061][ T10] [ 1891.931845][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1891.932123][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1891.932123][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.932123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.932123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.932123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.932123][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.932123][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.932123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.932123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.932123][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.932123][ T10] netlink_unicast+0x449/0x710 [ 1891.932123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.932123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.932123][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.932123][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.932123][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.932123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.932123][ T10] [ 1891.934126][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1891.934126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.934126][ T10] ipv6_find_idev+0x102/0x170 [ 1891.934126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.934126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.934126][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.934126][ T10] netlink_unicast+0x449/0x710 [ 1891.934126][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.934126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.934126][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.934126][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.934126][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.934126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.934126][ T10] [ 1891.935670][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1891.935670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.935670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.935670][ T10] ipv6_find_idev+0x102/0x170 [ 1891.935670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.935670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.935670][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.935670][ T10] netlink_unicast+0x449/0x710 [ 1891.935670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.935670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.935670][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.935670][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.935670][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.935670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.935670][ T10] [ 1891.937346][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1891.937616][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1891.937616][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.937616][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.937616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.937616][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.937616][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.937616][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.937616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.937616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.937616][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.937616][ T10] netlink_unicast+0x449/0x710 [ 1891.937616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.937616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.937616][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.937616][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.937616][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.937616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.937616][ T10] [ 1891.939623][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1891.939623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.939623][ T10] ipv6_find_idev+0x102/0x170 [ 1891.939623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.939623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.939623][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.939623][ T10] netlink_unicast+0x449/0x710 [ 1891.939623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.939623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.939623][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.939623][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.939623][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.939623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.939623][ T10] [ 1891.941164][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1891.941164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.941164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.941164][ T10] ipv6_find_idev+0x102/0x170 [ 1891.941164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.941164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.941164][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.941164][ T10] netlink_unicast+0x449/0x710 [ 1891.941164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.941164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.941164][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.941164][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.941164][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.941164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.941164][ T10] [ 1891.942855][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1891.943124][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1891.943124][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.943124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.943124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.943124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.943124][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.943124][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.943124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.943124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.943124][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.943124][ T10] netlink_unicast+0x449/0x710 [ 1891.943124][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.943124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.943124][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.943124][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.943124][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.943124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.943124][ T10] [ 1891.945113][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1891.945113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.945113][ T10] ipv6_find_idev+0x102/0x170 [ 1891.945113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.945113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.945113][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.945113][ T10] netlink_unicast+0x449/0x710 [ 1891.945113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.945113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.945113][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.945113][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.945113][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.945113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.945113][ T10] [ 1891.946663][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1891.946663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.946663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.946663][ T10] ipv6_find_idev+0x102/0x170 [ 1891.946663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.946663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.946663][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.946663][ T10] netlink_unicast+0x449/0x710 [ 1891.946663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.946663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.946663][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.946663][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.946663][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.946663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.946663][ T10] [ 1891.948338][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1891.948606][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1891.948606][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.948606][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.948606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.948606][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.948606][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.948606][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.948606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.948606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.948606][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.948606][ T10] netlink_unicast+0x449/0x710 [ 1891.948606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.948606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.948606][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.948606][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.948606][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.948606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.948606][ T10] [ 1891.950596][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1891.950596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.950596][ T10] ipv6_find_idev+0x102/0x170 [ 1891.950596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.950596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.950596][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.950596][ T10] netlink_unicast+0x449/0x710 [ 1891.950596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.950596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.950596][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.950596][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.950596][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.950596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.950596][ T10] [ 1891.952189][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1891.952189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.952189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.952189][ T10] ipv6_find_idev+0x102/0x170 [ 1891.952189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.952189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.952189][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.952189][ T10] netlink_unicast+0x449/0x710 [ 1891.952189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.952189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.952189][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.952189][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.952189][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.952189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.952189][ T10] [ 1891.954228][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1891.954492][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1891.954492][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.954492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.954492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.954492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.954492][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.954492][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.954492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.954492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.954492][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.954492][ T10] netlink_unicast+0x449/0x710 [ 1891.954492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.954492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.954492][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.954492][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.954492][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.954492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.954492][ T10] [ 1891.956663][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1891.956663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.956663][ T10] ipv6_find_idev+0x102/0x170 [ 1891.956663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.956663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.956663][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.956663][ T10] netlink_unicast+0x449/0x710 [ 1891.956663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.956663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.956663][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.956663][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.956663][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.956663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.956663][ T10] [ 1891.958370][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1891.958370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.958370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.958370][ T10] ipv6_find_idev+0x102/0x170 [ 1891.958370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.958370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.958370][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.958370][ T10] netlink_unicast+0x449/0x710 [ 1891.958370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.958370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.958370][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.958370][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.958370][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.958370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.958370][ T10] [ 1891.960326][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1891.960586][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1891.960586][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.960586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.960586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.960586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.960586][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.960586][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.960586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.960586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.960586][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.960586][ T10] netlink_unicast+0x449/0x710 [ 1891.960586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.960586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.960586][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.960586][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.960586][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.960586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.960586][ T10] [ 1891.962756][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1891.962756][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.962756][ T10] ipv6_find_idev+0x102/0x170 [ 1891.962756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.962756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.962756][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.962756][ T10] netlink_unicast+0x449/0x710 [ 1891.962756][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.962756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.962756][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.962756][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.962756][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.962756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.962756][ T10] [ 1891.964545][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1891.964545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.964545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.964545][ T10] ipv6_find_idev+0x102/0x170 [ 1891.964545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.964545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.964545][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.964545][ T10] netlink_unicast+0x449/0x710 [ 1891.964545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.964545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.964545][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.964545][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.964545][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.964545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.964545][ T10] [ 1891.967018][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1891.967288][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1891.967288][ T10] netdev_get_by_index+0x5e/0x80 [ 1891.967288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1891.967288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1891.967288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1891.967288][ T10] ipv6_add_addr+0x411/0x2000 [ 1891.967288][ T10] inet6_addr_add+0x30e/0xa40 [ 1891.967288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.967288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.967288][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.967288][ T10] netlink_unicast+0x449/0x710 [ 1891.967288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.967288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.967288][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.967288][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.967288][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.967288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.967288][ T10] [ 1891.969457][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1891.969457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1891.969457][ T10] ipv6_find_idev+0x102/0x170 [ 1891.969457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.969457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.969457][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.969457][ T10] netlink_unicast+0x449/0x710 [ 1891.969457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.969457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.969457][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.969457][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.969457][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.969457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.969457][ T10] [ 1891.971168][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1891.971168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1891.971168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1891.971168][ T10] ipv6_find_idev+0x102/0x170 [ 1891.971168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.971168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.971168][ T10] netlink_rcv_skb+0x130/0x360 [ 1891.971168][ T10] netlink_unicast+0x449/0x710 [ 1891.971168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1891.971168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1891.971168][ T10] ___sys_sendmsg+0xee/0x170 [ 1891.971168][ T10] __sys_sendmsg+0xcd/0x170 [ 1891.971168][ T10] do_syscall_64+0xc6/0x1e0 [ 1891.971168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.971168][ T10] [ 1902.213986][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1902.215093][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1902.215093][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.215093][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.215093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.215093][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.215093][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.215093][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.215093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.215093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.215093][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.215093][ T10] netlink_unicast+0x449/0x710 [ 1902.215093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.215093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.215093][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.215093][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.215093][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.215093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.215093][ T10] [ 1902.217129][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1902.217129][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.217129][ T10] ipv6_find_idev+0x102/0x170 [ 1902.217129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.217129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.217129][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.217129][ T10] netlink_unicast+0x449/0x710 [ 1902.217129][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.217129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.217129][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.217129][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.217129][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.217129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.217129][ T10] [ 1902.218670][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1902.218670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.218670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.218670][ T10] ipv6_find_idev+0x102/0x170 [ 1902.218670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.218670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.218670][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.218670][ T10] netlink_unicast+0x449/0x710 [ 1902.218670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.218670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.218670][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.218670][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.218670][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.218670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.218670][ T10] [ 1902.220356][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1902.220627][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1902.220627][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.220627][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.220627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.220627][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.220627][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.220627][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.220627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.220627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.220627][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.220627][ T10] netlink_unicast+0x449/0x710 [ 1902.220627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.220627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.220627][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.220627][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.220627][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.220627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.220627][ T10] [ 1902.222620][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1902.222620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.222620][ T10] ipv6_find_idev+0x102/0x170 [ 1902.222620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.222620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.222620][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.222620][ T10] netlink_unicast+0x449/0x710 [ 1902.222620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.222620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.222620][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.222620][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.222620][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.222620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.222620][ T10] [ 1902.224181][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1902.224181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.224181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.224181][ T10] ipv6_find_idev+0x102/0x170 [ 1902.224181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.224181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.224181][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.224181][ T10] netlink_unicast+0x449/0x710 [ 1902.224181][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.224181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.224181][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.224181][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.224181][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.224181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.224181][ T10] [ 1902.225861][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1902.226135][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1902.226135][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.226135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.226135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.226135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.226135][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.226135][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.226135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.226135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.226135][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.226135][ T10] netlink_unicast+0x449/0x710 [ 1902.226135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.226135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.226135][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.226135][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.226135][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.226135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.226135][ T10] [ 1902.228125][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1902.228125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.228125][ T10] ipv6_find_idev+0x102/0x170 [ 1902.228125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.228125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.228125][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.228125][ T10] netlink_unicast+0x449/0x710 [ 1902.228125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.228125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.228125][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.228125][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.228125][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.228125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.228125][ T10] [ 1902.229680][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1902.229680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.229680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.229680][ T10] ipv6_find_idev+0x102/0x170 [ 1902.229680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.229680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.229680][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.229680][ T10] netlink_unicast+0x449/0x710 [ 1902.229680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.229680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.229680][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.229680][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.229680][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.229680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.229680][ T10] [ 1902.231400][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1902.231668][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1902.231668][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.231668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.231668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.231668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.231668][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.231668][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.231668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.231668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.231668][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.231668][ T10] netlink_unicast+0x449/0x710 [ 1902.231668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.231668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.231668][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.231668][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.231668][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.231668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.231668][ T10] [ 1902.233671][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1902.233671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.233671][ T10] ipv6_find_idev+0x102/0x170 [ 1902.233671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.233671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.233671][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.233671][ T10] netlink_unicast+0x449/0x710 [ 1902.233671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.233671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.233671][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.233671][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.233671][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.233671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.233671][ T10] [ 1902.235200][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1902.235200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.235200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.235200][ T10] ipv6_find_idev+0x102/0x170 [ 1902.235200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.235200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.235200][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.235200][ T10] netlink_unicast+0x449/0x710 [ 1902.235200][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.235200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.235200][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.235200][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.235200][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.235200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.235200][ T10] [ 1902.236872][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1902.237132][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1902.237132][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.237132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.237132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.237132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.237132][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.237132][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.237132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.237132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.237132][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.237132][ T10] netlink_unicast+0x449/0x710 [ 1902.237132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.237132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.237132][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.237132][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.237132][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.237132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.237132][ T10] [ 1902.239127][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1902.239127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.239127][ T10] ipv6_find_idev+0x102/0x170 [ 1902.239127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.239127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.239127][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.239127][ T10] netlink_unicast+0x449/0x710 [ 1902.239127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.239127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.239127][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.239127][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.239127][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.239127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.239127][ T10] [ 1902.240661][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1902.240661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.240661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.240661][ T10] ipv6_find_idev+0x102/0x170 [ 1902.240661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.240661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.240661][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.240661][ T10] netlink_unicast+0x449/0x710 [ 1902.240661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.240661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.240661][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.240661][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.240661][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.240661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.240661][ T10] [ 1902.243020][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1902.243291][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1902.243291][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.243291][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.243291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.243291][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.243291][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.243291][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.243291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.243291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.243291][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.243291][ T10] netlink_unicast+0x449/0x710 [ 1902.243291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.243291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.243291][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.243291][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.243291][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.243291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.243291][ T10] [ 1902.245276][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1902.245276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.245276][ T10] ipv6_find_idev+0x102/0x170 [ 1902.245276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.245276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.245276][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.245276][ T10] netlink_unicast+0x449/0x710 [ 1902.245276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.245276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.245276][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.245276][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.245276][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.245276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.245276][ T10] [ 1902.246921][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1902.246921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.246921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.246921][ T10] ipv6_find_idev+0x102/0x170 [ 1902.246921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.246921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.246921][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.246921][ T10] netlink_unicast+0x449/0x710 [ 1902.246921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.246921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.246921][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.246921][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.246921][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.246921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.246921][ T10] [ 1902.248823][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1902.249089][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1902.249089][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.249089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.249089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.249089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.249089][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.249089][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.249089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.249089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.249089][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.249089][ T10] netlink_unicast+0x449/0x710 [ 1902.249089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.249089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.249089][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.249089][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.249089][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.249089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.249089][ T10] [ 1902.251324][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1902.251324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.251324][ T10] ipv6_find_idev+0x102/0x170 [ 1902.251324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.251324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.251324][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.251324][ T10] netlink_unicast+0x449/0x710 [ 1902.251324][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.251324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.251324][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.251324][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.251324][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.251324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.251324][ T10] [ 1902.253046][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1902.253046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.253046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.253046][ T10] ipv6_find_idev+0x102/0x170 [ 1902.253046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.253046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.253046][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.253046][ T10] netlink_unicast+0x449/0x710 [ 1902.253046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.253046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.253046][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.253046][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.253046][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.253046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.253046][ T10] [ 1902.254944][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1902.255204][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1902.255204][ T10] netdev_get_by_index+0x5e/0x80 [ 1902.255204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1902.255204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1902.255204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1902.255204][ T10] ipv6_add_addr+0x411/0x2000 [ 1902.255204][ T10] inet6_addr_add+0x30e/0xa40 [ 1902.255204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.255204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.255204][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.255204][ T10] netlink_unicast+0x449/0x710 [ 1902.255204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.255204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.255204][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.255204][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.255204][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.255204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.255204][ T10] [ 1902.257431][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1902.257431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1902.257431][ T10] ipv6_find_idev+0x102/0x170 [ 1902.257431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.257431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.257431][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.257431][ T10] netlink_unicast+0x449/0x710 [ 1902.257431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.257431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.257431][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.257431][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.257431][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.257431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.257431][ T10] [ 1902.259138][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1902.259138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1902.259138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1902.259138][ T10] ipv6_find_idev+0x102/0x170 [ 1902.259138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.259138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.259138][ T10] netlink_rcv_skb+0x130/0x360 [ 1902.259138][ T10] netlink_unicast+0x449/0x710 [ 1902.259138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1902.259138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1902.259138][ T10] ___sys_sendmsg+0xee/0x170 [ 1902.259138][ T10] __sys_sendmsg+0xcd/0x170 [ 1902.259138][ T10] do_syscall_64+0xc6/0x1e0 [ 1902.259138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.259138][ T10] [ 1912.501902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1912.502400][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1912.502400][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.502400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.502400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.502400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.502400][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.502400][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.502400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.502400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.502400][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.502400][ T10] netlink_unicast+0x449/0x710 [ 1912.502400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.502400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.502400][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.502400][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.502400][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.502400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.502400][ T10] [ 1912.504456][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1912.504456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.504456][ T10] ipv6_find_idev+0x102/0x170 [ 1912.504456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.504456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.504456][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.504456][ T10] netlink_unicast+0x449/0x710 [ 1912.504456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.504456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.504456][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.504456][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.504456][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.504456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.504456][ T10] [ 1912.506001][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1912.506001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.506001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.506001][ T10] ipv6_find_idev+0x102/0x170 [ 1912.506001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.506001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.506001][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.506001][ T10] netlink_unicast+0x449/0x710 [ 1912.506001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.506001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.506001][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.506001][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.506001][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.506001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.506001][ T10] [ 1912.507722][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1912.508015][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1912.508015][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.508015][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.508015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.508015][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.508015][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.508015][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.508015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.508015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.508015][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.508015][ T10] netlink_unicast+0x449/0x710 [ 1912.508015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.508015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.508015][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.508015][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.508015][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.508015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.508015][ T10] [ 1912.510017][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1912.510017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.510017][ T10] ipv6_find_idev+0x102/0x170 [ 1912.510017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.510017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.510017][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.510017][ T10] netlink_unicast+0x449/0x710 [ 1912.510017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.510017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.510017][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.510017][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.510017][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.510017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.510017][ T10] [ 1912.511561][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1912.511561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.511561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.511561][ T10] ipv6_find_idev+0x102/0x170 [ 1912.511561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.511561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.511561][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.511561][ T10] netlink_unicast+0x449/0x710 [ 1912.511561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.511561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.511561][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.511561][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.511561][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.511561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.511561][ T10] [ 1912.513260][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1912.513544][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1912.513544][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.513544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.513544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.513544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.513544][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.513544][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.513544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.513544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.513544][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.513544][ T10] netlink_unicast+0x449/0x710 [ 1912.513544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.513544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.513544][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.513544][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.513544][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.513544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.513544][ T10] [ 1912.515535][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1912.515535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.515535][ T10] ipv6_find_idev+0x102/0x170 [ 1912.515535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.515535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.515535][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.515535][ T10] netlink_unicast+0x449/0x710 [ 1912.515535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.515535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.515535][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.515535][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.515535][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.515535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.515535][ T10] [ 1912.517072][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1912.517072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.517072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.517072][ T10] ipv6_find_idev+0x102/0x170 [ 1912.517072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.517072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.517072][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.517072][ T10] netlink_unicast+0x449/0x710 [ 1912.517072][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.517072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.517072][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.517072][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.517072][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.517072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.517072][ T10] [ 1912.518753][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1912.519456][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1912.519456][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.519456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.519456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.519456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.519456][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.519456][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.519456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.519456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.519456][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.519456][ T10] netlink_unicast+0x449/0x710 [ 1912.519456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.519456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.519456][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.519456][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.519456][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.519456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.519456][ T10] [ 1912.521444][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1912.521444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.521444][ T10] ipv6_find_idev+0x102/0x170 [ 1912.521444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.521444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.521444][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.521444][ T10] netlink_unicast+0x449/0x710 [ 1912.521444][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.521444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.521444][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.521444][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.521444][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.521444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.521444][ T10] [ 1912.522984][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1912.522984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.522984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.522984][ T10] ipv6_find_idev+0x102/0x170 [ 1912.522984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.522984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.522984][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.522984][ T10] netlink_unicast+0x449/0x710 [ 1912.522984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.522984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.522984][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.522984][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.522984][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.522984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.522984][ T10] [ 1912.524784][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1912.525106][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1912.525106][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.525106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.525106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.525106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.525106][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.525106][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.525106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.525106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.525106][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.525106][ T10] netlink_unicast+0x449/0x710 [ 1912.525106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.525106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.525106][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.525106][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.525106][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.525106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.525106][ T10] [ 1912.527107][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1912.527107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.527107][ T10] ipv6_find_idev+0x102/0x170 [ 1912.527107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.527107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.527107][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.527107][ T10] netlink_unicast+0x449/0x710 [ 1912.527107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.527107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.527107][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.527107][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.527107][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.527107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.527107][ T10] [ 1912.528667][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1912.528667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.528667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.528667][ T10] ipv6_find_idev+0x102/0x170 [ 1912.528667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.528667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.528667][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.528667][ T10] netlink_unicast+0x449/0x710 [ 1912.528667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.528667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.528667][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.528667][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.528667][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.528667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.528667][ T10] [ 1912.530408][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1912.530719][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1912.530719][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.530719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.530719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.530719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.530719][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.530719][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.530719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.530719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.530719][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.530719][ T10] netlink_unicast+0x449/0x710 [ 1912.530719][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.530719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.530719][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.530719][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.530719][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.530719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.530719][ T10] [ 1912.532796][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1912.532796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.532796][ T10] ipv6_find_idev+0x102/0x170 [ 1912.532796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.532796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.532796][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.532796][ T10] netlink_unicast+0x449/0x710 [ 1912.532796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.532796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.532796][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.532796][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.532796][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.532796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.532796][ T10] [ 1912.534671][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1912.534671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.534671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.534671][ T10] ipv6_find_idev+0x102/0x170 [ 1912.534671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.534671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.534671][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.534671][ T10] netlink_unicast+0x449/0x710 [ 1912.534671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.534671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.534671][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.534671][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.534671][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.534671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.534671][ T10] [ 1912.536575][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1912.536894][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1912.536894][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.536894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.536894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.536894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.536894][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.536894][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.536894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.536894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.536894][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.536894][ T10] netlink_unicast+0x449/0x710 [ 1912.536894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.536894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.536894][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.536894][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.536894][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.536894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.536894][ T10] [ 1912.539070][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1912.539070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.539070][ T10] ipv6_find_idev+0x102/0x170 [ 1912.539070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.539070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.539070][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.539070][ T10] netlink_unicast+0x449/0x710 [ 1912.539070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.539070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.539070][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.539070][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.539070][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.539070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.539070][ T10] [ 1912.540784][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1912.540784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.540784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.540784][ T10] ipv6_find_idev+0x102/0x170 [ 1912.540784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.540784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.540784][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.540784][ T10] netlink_unicast+0x449/0x710 [ 1912.540784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.540784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.540784][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.540784][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.540784][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.540784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.540784][ T10] [ 1912.542699][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1912.543030][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1912.543030][ T10] netdev_get_by_index+0x5e/0x80 [ 1912.543030][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1912.543030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1912.543030][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1912.543030][ T10] ipv6_add_addr+0x411/0x2000 [ 1912.543030][ T10] inet6_addr_add+0x30e/0xa40 [ 1912.543030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.543030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.543030][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.543030][ T10] netlink_unicast+0x449/0x710 [ 1912.543030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.543030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.543030][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.543030][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.543030][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.543030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.543030][ T10] [ 1912.545204][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1912.545204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1912.545204][ T10] ipv6_find_idev+0x102/0x170 [ 1912.545204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.545204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.545204][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.545204][ T10] netlink_unicast+0x449/0x710 [ 1912.545204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.545204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.545204][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.545204][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.545204][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.545204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.545204][ T10] [ 1912.546986][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1912.546986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1912.546986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1912.546986][ T10] ipv6_find_idev+0x102/0x170 [ 1912.546986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.546986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.546986][ T10] netlink_rcv_skb+0x130/0x360 [ 1912.546986][ T10] netlink_unicast+0x449/0x710 [ 1912.546986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1912.546986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1912.546986][ T10] ___sys_sendmsg+0xee/0x170 [ 1912.546986][ T10] __sys_sendmsg+0xcd/0x170 [ 1912.546986][ T10] do_syscall_64+0xc6/0x1e0 [ 1912.546986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.546986][ T10] [ 1922.789957][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1922.790473][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1922.790473][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.790473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.790473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.790473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.790473][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.790473][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.790473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.790473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.790473][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.790473][ T10] netlink_unicast+0x449/0x710 [ 1922.790473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.790473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.790473][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.790473][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.790473][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.790473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.790473][ T10] [ 1922.792531][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1922.792531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.792531][ T10] ipv6_find_idev+0x102/0x170 [ 1922.792531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.792531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.792531][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.792531][ T10] netlink_unicast+0x449/0x710 [ 1922.792531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.792531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.792531][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.792531][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.792531][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.792531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.792531][ T10] [ 1922.794089][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1922.794089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.794089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.794089][ T10] ipv6_find_idev+0x102/0x170 [ 1922.794089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.794089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.794089][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.794089][ T10] netlink_unicast+0x449/0x710 [ 1922.794089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.794089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.794089][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.794089][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.794089][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.794089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.794089][ T10] [ 1922.795808][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1922.796109][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1922.796109][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.796109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.796109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.796109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.796109][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.796109][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.796109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.796109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.796109][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.796109][ T10] netlink_unicast+0x449/0x710 [ 1922.796109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.796109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.796109][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.796109][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.796109][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.796109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.796109][ T10] [ 1922.798167][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1922.798167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.798167][ T10] ipv6_find_idev+0x102/0x170 [ 1922.798167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.798167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.798167][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.798167][ T10] netlink_unicast+0x449/0x710 [ 1922.798167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.798167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.798167][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.798167][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.798167][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.798167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.798167][ T10] [ 1922.799736][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1922.799736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.799736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.799736][ T10] ipv6_find_idev+0x102/0x170 [ 1922.799736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.799736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.799736][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.799736][ T10] netlink_unicast+0x449/0x710 [ 1922.799736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.799736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.799736][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.799736][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.799736][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.799736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.799736][ T10] [ 1922.801437][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1922.801713][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1922.801713][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.801713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.801713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.801713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.801713][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.801713][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.801713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.801713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.801713][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.801713][ T10] netlink_unicast+0x449/0x710 [ 1922.801713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.801713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.801713][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.801713][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.801713][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.801713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.801713][ T10] [ 1922.803743][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1922.803743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.803743][ T10] ipv6_find_idev+0x102/0x170 [ 1922.803743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.803743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.803743][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.803743][ T10] netlink_unicast+0x449/0x710 [ 1922.803743][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.803743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.803743][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.803743][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.803743][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.803743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.803743][ T10] [ 1922.805283][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1922.805283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.805283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.805283][ T10] ipv6_find_idev+0x102/0x170 [ 1922.805283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.805283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.805283][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.805283][ T10] netlink_unicast+0x449/0x710 [ 1922.805283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.805283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.805283][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.805283][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.805283][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.805283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.805283][ T10] [ 1922.806986][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1922.807257][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1922.807257][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.807257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.807257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.807257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.807257][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.807257][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.807257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.807257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.807257][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.807257][ T10] netlink_unicast+0x449/0x710 [ 1922.807257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.807257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.807257][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.807257][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.807257][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.807257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.807257][ T10] [ 1922.809259][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1922.809259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.809259][ T10] ipv6_find_idev+0x102/0x170 [ 1922.809259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.809259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.809259][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.809259][ T10] netlink_unicast+0x449/0x710 [ 1922.809259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.809259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.809259][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.809259][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.809259][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.809259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.809259][ T10] [ 1922.810911][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1922.810911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.810911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.810911][ T10] ipv6_find_idev+0x102/0x170 [ 1922.810911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.810911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.810911][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.810911][ T10] netlink_unicast+0x449/0x710 [ 1922.810911][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.810911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.810911][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.810911][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.810911][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.810911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.810911][ T10] [ 1922.813035][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1922.813639][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1922.813639][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.813639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.813639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.813639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.813639][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.813639][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.813639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.813639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.813639][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.813639][ T10] netlink_unicast+0x449/0x710 [ 1922.813639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.813639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.813639][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.813639][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.813639][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.813639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.813639][ T10] [ 1922.815621][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1922.815621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.815621][ T10] ipv6_find_idev+0x102/0x170 [ 1922.815621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.815621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.815621][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.815621][ T10] netlink_unicast+0x449/0x710 [ 1922.815621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.815621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.815621][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.815621][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.815621][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.815621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.815621][ T10] [ 1922.817153][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1922.817153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.817153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.817153][ T10] ipv6_find_idev+0x102/0x170 [ 1922.817153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.817153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.817153][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.817153][ T10] netlink_unicast+0x449/0x710 [ 1922.817153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.817153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.817153][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.817153][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.817153][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.817153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.817153][ T10] [ 1922.818831][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1922.819096][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1922.819096][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.819096][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.819096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.819096][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.819096][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.819096][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.819096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.819096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.819096][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.819096][ T10] netlink_unicast+0x449/0x710 [ 1922.819096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.819096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.819096][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.819096][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.819096][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.819096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.819096][ T10] [ 1922.821092][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1922.821092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.821092][ T10] ipv6_find_idev+0x102/0x170 [ 1922.821092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.821092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.821092][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.821092][ T10] netlink_unicast+0x449/0x710 [ 1922.821092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.821092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.821092][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.821092][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.821092][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.821092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.821092][ T10] [ 1922.822765][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1922.822765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.822765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.822765][ T10] ipv6_find_idev+0x102/0x170 [ 1922.822765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.822765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.822765][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.822765][ T10] netlink_unicast+0x449/0x710 [ 1922.822765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.822765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.822765][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.822765][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.822765][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.822765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.822765][ T10] [ 1922.824746][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1922.825065][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1922.825065][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.825065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.825065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.825065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.825065][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.825065][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.825065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.825065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.825065][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.825065][ T10] netlink_unicast+0x449/0x710 [ 1922.825065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.825065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.825065][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.825065][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.825065][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.825065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.825065][ T10] [ 1922.827238][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1922.827238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.827238][ T10] ipv6_find_idev+0x102/0x170 [ 1922.827238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.827238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.827238][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.827238][ T10] netlink_unicast+0x449/0x710 [ 1922.827238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.827238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.827238][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.827238][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.827238][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.827238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.827238][ T10] [ 1922.828952][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1922.828952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.828952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.828952][ T10] ipv6_find_idev+0x102/0x170 [ 1922.828952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.828952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.828952][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.828952][ T10] netlink_unicast+0x449/0x710 [ 1922.828952][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.828952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.828952][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.828952][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.828952][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.828952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.828952][ T10] [ 1922.830858][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1922.831169][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1922.831169][ T10] netdev_get_by_index+0x5e/0x80 [ 1922.831169][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1922.831169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1922.831169][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1922.831169][ T10] ipv6_add_addr+0x411/0x2000 [ 1922.831169][ T10] inet6_addr_add+0x30e/0xa40 [ 1922.831169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.831169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.831169][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.831169][ T10] netlink_unicast+0x449/0x710 [ 1922.831169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.831169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.831169][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.831169][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.831169][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.831169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.831169][ T10] [ 1922.833352][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1922.833352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1922.833352][ T10] ipv6_find_idev+0x102/0x170 [ 1922.833352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.833352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.833352][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.833352][ T10] netlink_unicast+0x449/0x710 [ 1922.833352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.833352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.833352][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.833352][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.833352][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.833352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.833352][ T10] [ 1922.835128][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1922.835128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1922.835128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1922.835128][ T10] ipv6_find_idev+0x102/0x170 [ 1922.835128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.835128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.835128][ T10] netlink_rcv_skb+0x130/0x360 [ 1922.835128][ T10] netlink_unicast+0x449/0x710 [ 1922.835128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1922.835128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1922.835128][ T10] ___sys_sendmsg+0xee/0x170 [ 1922.835128][ T10] __sys_sendmsg+0xcd/0x170 [ 1922.835128][ T10] do_syscall_64+0xc6/0x1e0 [ 1922.835128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.835128][ T10] [ 1933.013897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1933.014399][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1933.014399][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.014399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.014399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.014399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.014399][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.014399][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.014399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.014399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.014399][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.014399][ T10] netlink_unicast+0x449/0x710 [ 1933.014399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.014399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.014399][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.014399][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.014399][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.014399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.014399][ T10] [ 1933.016469][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1933.016469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.016469][ T10] ipv6_find_idev+0x102/0x170 [ 1933.016469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.016469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.016469][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.016469][ T10] netlink_unicast+0x449/0x710 [ 1933.016469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.016469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.016469][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.016469][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.016469][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.016469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.016469][ T10] [ 1933.018043][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1933.018043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.018043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.018043][ T10] ipv6_find_idev+0x102/0x170 [ 1933.018043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.018043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.018043][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.018043][ T10] netlink_unicast+0x449/0x710 [ 1933.018043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.018043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.018043][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.018043][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.018043][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.018043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.018043][ T10] [ 1933.019794][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1933.020082][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1933.020082][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.020082][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.020082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.020082][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.020082][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.020082][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.020082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.020082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.020082][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.020082][ T10] netlink_unicast+0x449/0x710 [ 1933.020082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.020082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.020082][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.020082][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.020082][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.020082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.020082][ T10] [ 1933.022083][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1933.022083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.022083][ T10] ipv6_find_idev+0x102/0x170 [ 1933.022083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.022083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.022083][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.022083][ T10] netlink_unicast+0x449/0x710 [ 1933.022083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.022083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.022083][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.022083][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.022083][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.022083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.022083][ T10] [ 1933.023640][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1933.023640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.023640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.023640][ T10] ipv6_find_idev+0x102/0x170 [ 1933.023640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.023640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.023640][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.023640][ T10] netlink_unicast+0x449/0x710 [ 1933.023640][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.023640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.023640][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.023640][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.023640][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.023640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.023640][ T10] [ 1933.025335][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1933.025610][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1933.025610][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.025610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.025610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.025610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.025610][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.025610][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.025610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.025610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.025610][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.025610][ T10] netlink_unicast+0x449/0x710 [ 1933.025610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.025610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.025610][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.025610][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.025610][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.025610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.025610][ T10] [ 1933.027623][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1933.027623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.027623][ T10] ipv6_find_idev+0x102/0x170 [ 1933.027623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.027623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.027623][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.027623][ T10] netlink_unicast+0x449/0x710 [ 1933.027623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.027623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.027623][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.027623][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.027623][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.027623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.027623][ T10] [ 1933.029165][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1933.029165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.029165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.029165][ T10] ipv6_find_idev+0x102/0x170 [ 1933.029165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.029165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.029165][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.029165][ T10] netlink_unicast+0x449/0x710 [ 1933.029165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.029165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.029165][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.029165][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.029165][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.029165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.029165][ T10] [ 1933.030856][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1933.031123][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1933.031123][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.031123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.031123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.031123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.031123][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.031123][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.031123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.031123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.031123][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.031123][ T10] netlink_unicast+0x449/0x710 [ 1933.031123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.031123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.031123][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.031123][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.031123][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.031123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.031123][ T10] [ 1933.033143][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1933.033143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.033143][ T10] ipv6_find_idev+0x102/0x170 [ 1933.033143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.033143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.033143][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.033143][ T10] netlink_unicast+0x449/0x710 [ 1933.033143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.033143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.033143][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.033143][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.033143][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.033143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.033143][ T10] [ 1933.034689][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1933.034689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.034689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.034689][ T10] ipv6_find_idev+0x102/0x170 [ 1933.034689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.034689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.034689][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.034689][ T10] netlink_unicast+0x449/0x710 [ 1933.034689][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.034689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.034689][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.034689][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.034689][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.034689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.034689][ T10] [ 1933.036805][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1933.037407][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1933.037407][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.037407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.037407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.037407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.037407][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.037407][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.037407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.037407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.037407][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.037407][ T10] netlink_unicast+0x449/0x710 [ 1933.037407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.037407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.037407][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.037407][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.037407][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.037407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.037407][ T10] [ 1933.039402][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1933.039402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.039402][ T10] ipv6_find_idev+0x102/0x170 [ 1933.039402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.039402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.039402][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.039402][ T10] netlink_unicast+0x449/0x710 [ 1933.039402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.039402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.039402][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.039402][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.039402][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.039402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.039402][ T10] [ 1933.040945][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1933.040945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.040945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.040945][ T10] ipv6_find_idev+0x102/0x170 [ 1933.040945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.040945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.040945][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.040945][ T10] netlink_unicast+0x449/0x710 [ 1933.040945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.040945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.040945][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.040945][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.040945][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.040945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.040945][ T10] [ 1933.042636][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1933.042957][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1933.042957][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.042957][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.042957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.042957][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.042957][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.042957][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.042957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.042957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.042957][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.042957][ T10] netlink_unicast+0x449/0x710 [ 1933.042957][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.042957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.042957][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.042957][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.042957][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.042957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.042957][ T10] [ 1933.044957][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1933.044957][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.044957][ T10] ipv6_find_idev+0x102/0x170 [ 1933.044957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.044957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.044957][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.044957][ T10] netlink_unicast+0x449/0x710 [ 1933.044957][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.044957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.044957][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.044957][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.044957][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.044957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.044957][ T10] [ 1933.046570][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1933.046570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.046570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.046570][ T10] ipv6_find_idev+0x102/0x170 [ 1933.046570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.046570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.046570][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.046570][ T10] netlink_unicast+0x449/0x710 [ 1933.046570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.046570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.046570][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.046570][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.046570][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.046570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.046570][ T10] [ 1933.048540][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1933.048872][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1933.048872][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.048872][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.048872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.048872][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.048872][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.048872][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.048872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.048872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.048872][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.048872][ T10] netlink_unicast+0x449/0x710 [ 1933.048872][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.048872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.048872][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.048872][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.048872][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.048872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.048872][ T10] [ 1933.051056][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1933.051056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.051056][ T10] ipv6_find_idev+0x102/0x170 [ 1933.051056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.051056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.051056][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.051056][ T10] netlink_unicast+0x449/0x710 [ 1933.051056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.051056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.051056][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.051056][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.051056][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.051056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.051056][ T10] [ 1933.052793][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1933.052793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.052793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.052793][ T10] ipv6_find_idev+0x102/0x170 [ 1933.052793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.052793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.052793][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.052793][ T10] netlink_unicast+0x449/0x710 [ 1933.052793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.052793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.052793][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.052793][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.052793][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.052793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.052793][ T10] [ 1933.054759][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1933.055076][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1933.055076][ T10] netdev_get_by_index+0x5e/0x80 [ 1933.055076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1933.055076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1933.055076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1933.055076][ T10] ipv6_add_addr+0x411/0x2000 [ 1933.055076][ T10] inet6_addr_add+0x30e/0xa40 [ 1933.055076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.055076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.055076][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.055076][ T10] netlink_unicast+0x449/0x710 [ 1933.055076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.055076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.055076][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.055076][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.055076][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.055076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.055076][ T10] [ 1933.057259][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1933.057259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1933.057259][ T10] ipv6_find_idev+0x102/0x170 [ 1933.057259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.057259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.057259][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.057259][ T10] netlink_unicast+0x449/0x710 [ 1933.057259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.057259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.057259][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.057259][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.057259][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.057259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.057259][ T10] [ 1933.059042][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1933.059042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1933.059042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1933.059042][ T10] ipv6_find_idev+0x102/0x170 [ 1933.059042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.059042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.059042][ T10] netlink_rcv_skb+0x130/0x360 [ 1933.059042][ T10] netlink_unicast+0x449/0x710 [ 1933.059042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1933.059042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1933.059042][ T10] ___sys_sendmsg+0xee/0x170 [ 1933.059042][ T10] __sys_sendmsg+0xcd/0x170 [ 1933.059042][ T10] do_syscall_64+0xc6/0x1e0 [ 1933.059042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.059042][ T10] [ 1943.301899][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1943.302396][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1943.302396][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.302396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.302396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.302396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.302396][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.302396][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.302396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.302396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.302396][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.302396][ T10] netlink_unicast+0x449/0x710 [ 1943.302396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.302396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.302396][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.302396][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.302396][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.302396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.302396][ T10] [ 1943.304984][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1943.304984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.304984][ T10] ipv6_find_idev+0x102/0x170 [ 1943.304984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.304984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.304984][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.304984][ T10] netlink_unicast+0x449/0x710 [ 1943.304984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.304984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.304984][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.304984][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.304984][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.304984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.304984][ T10] [ 1943.306525][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1943.306525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.306525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.306525][ T10] ipv6_find_idev+0x102/0x170 [ 1943.306525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.306525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.306525][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.306525][ T10] netlink_unicast+0x449/0x710 [ 1943.306525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.306525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.306525][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.306525][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.306525][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.306525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.306525][ T10] [ 1943.308250][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1943.308535][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1943.308535][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.308535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.308535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.308535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.308535][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.308535][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.308535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.308535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.308535][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.308535][ T10] netlink_unicast+0x449/0x710 [ 1943.308535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.308535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.308535][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.308535][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.308535][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.308535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.308535][ T10] [ 1943.310535][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1943.310535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.310535][ T10] ipv6_find_idev+0x102/0x170 [ 1943.310535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.310535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.310535][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.310535][ T10] netlink_unicast+0x449/0x710 [ 1943.310535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.310535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.310535][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.310535][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.310535][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.310535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.310535][ T10] [ 1943.312082][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1943.312082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.312082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.312082][ T10] ipv6_find_idev+0x102/0x170 [ 1943.312082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.312082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.312082][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.312082][ T10] netlink_unicast+0x449/0x710 [ 1943.312082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.312082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.312082][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.312082][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.312082][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.312082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.312082][ T10] [ 1943.313795][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1943.314062][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1943.314062][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.314062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.314062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.314062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.314062][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.314062][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.314062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.314062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.314062][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.314062][ T10] netlink_unicast+0x449/0x710 [ 1943.314062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.314062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.314062][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.314062][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.314062][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.314062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.314062][ T10] [ 1943.316070][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1943.316070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.316070][ T10] ipv6_find_idev+0x102/0x170 [ 1943.316070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.316070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.316070][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.316070][ T10] netlink_unicast+0x449/0x710 [ 1943.316070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.316070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.316070][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.316070][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.316070][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.316070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.316070][ T10] [ 1943.317610][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1943.317610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.317610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.317610][ T10] ipv6_find_idev+0x102/0x170 [ 1943.317610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.317610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.317610][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.317610][ T10] netlink_unicast+0x449/0x710 [ 1943.317610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.317610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.317610][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.317610][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.317610][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.317610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.317610][ T10] [ 1943.319677][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1943.320391][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1943.320391][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.320391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.320391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.320391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.320391][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.320391][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.320391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.320391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.320391][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.320391][ T10] netlink_unicast+0x449/0x710 [ 1943.320391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.320391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.320391][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.320391][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.320391][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.320391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.320391][ T10] [ 1943.322390][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1943.322390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.322390][ T10] ipv6_find_idev+0x102/0x170 [ 1943.322390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.322390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.322390][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.322390][ T10] netlink_unicast+0x449/0x710 [ 1943.322390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.322390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.322390][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.322390][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.322390][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.322390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.322390][ T10] [ 1943.323935][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1943.323935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.323935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.323935][ T10] ipv6_find_idev+0x102/0x170 [ 1943.323935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.323935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.323935][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.323935][ T10] netlink_unicast+0x449/0x710 [ 1943.323935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.323935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.323935][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.323935][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.323935][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.323935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.323935][ T10] [ 1943.325674][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1943.326007][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1943.326007][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.326007][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.326007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.326007][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.326007][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.326007][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.326007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.326007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.326007][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.326007][ T10] netlink_unicast+0x449/0x710 [ 1943.326007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.326007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.326007][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.326007][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.326007][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.326007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.326007][ T10] [ 1943.328125][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1943.328125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.328125][ T10] ipv6_find_idev+0x102/0x170 [ 1943.328125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.328125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.328125][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.328125][ T10] netlink_unicast+0x449/0x710 [ 1943.328125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.328125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.328125][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.328125][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.328125][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.328125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.328125][ T10] [ 1943.329681][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1943.329681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.329681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.329681][ T10] ipv6_find_idev+0x102/0x170 [ 1943.329681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.329681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.329681][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.329681][ T10] netlink_unicast+0x449/0x710 [ 1943.329681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.329681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.329681][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.329681][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.329681][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.329681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.329681][ T10] [ 1943.331416][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1943.331732][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1943.331732][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.331732][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.331732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.331732][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.331732][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.331732][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.331732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.331732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.331732][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.331732][ T10] netlink_unicast+0x449/0x710 [ 1943.331732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.331732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.331732][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.331732][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.331732][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.331732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.331732][ T10] [ 1943.333805][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1943.333805][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.333805][ T10] ipv6_find_idev+0x102/0x170 [ 1943.333805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.333805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.333805][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.333805][ T10] netlink_unicast+0x449/0x710 [ 1943.333805][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.333805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.333805][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.333805][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.333805][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.333805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.333805][ T10] [ 1943.335533][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1943.335533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.335533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.335533][ T10] ipv6_find_idev+0x102/0x170 [ 1943.335533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.335533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.335533][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.335533][ T10] netlink_unicast+0x449/0x710 [ 1943.335533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.335533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.335533][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.335533][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.335533][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.335533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.335533][ T10] [ 1943.337459][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1943.337776][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1943.337776][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.337776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.337776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.337776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.337776][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.337776][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.337776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.337776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.337776][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.337776][ T10] netlink_unicast+0x449/0x710 [ 1943.337776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.337776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.337776][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.337776][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.337776][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.337776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.337776][ T10] [ 1943.340023][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1943.340023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.340023][ T10] ipv6_find_idev+0x102/0x170 [ 1943.340023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.340023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.340023][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.340023][ T10] netlink_unicast+0x449/0x710 [ 1943.340023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.340023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.340023][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.340023][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.340023][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.340023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.340023][ T10] [ 1943.341749][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1943.341749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.341749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.341749][ T10] ipv6_find_idev+0x102/0x170 [ 1943.341749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.341749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.341749][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.341749][ T10] netlink_unicast+0x449/0x710 [ 1943.341749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.341749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.341749][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.341749][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.341749][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.341749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.341749][ T10] [ 1943.343668][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1943.343991][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1943.343991][ T10] netdev_get_by_index+0x5e/0x80 [ 1943.343991][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1943.343991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1943.343991][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1943.343991][ T10] ipv6_add_addr+0x411/0x2000 [ 1943.343991][ T10] inet6_addr_add+0x30e/0xa40 [ 1943.343991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.343991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.343991][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.343991][ T10] netlink_unicast+0x449/0x710 [ 1943.343991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.343991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.343991][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.343991][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.343991][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.343991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.343991][ T10] [ 1943.346184][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1943.346184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1943.346184][ T10] ipv6_find_idev+0x102/0x170 [ 1943.346184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.346184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.346184][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.346184][ T10] netlink_unicast+0x449/0x710 [ 1943.346184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.346184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.346184][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.346184][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.346184][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.346184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.346184][ T10] [ 1943.347912][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1943.347912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1943.347912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1943.347912][ T10] ipv6_find_idev+0x102/0x170 [ 1943.347912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.347912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.347912][ T10] netlink_rcv_skb+0x130/0x360 [ 1943.347912][ T10] netlink_unicast+0x449/0x710 [ 1943.347912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1943.347912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1943.347912][ T10] ___sys_sendmsg+0xee/0x170 [ 1943.347912][ T10] __sys_sendmsg+0xcd/0x170 [ 1943.347912][ T10] do_syscall_64+0xc6/0x1e0 [ 1943.347912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.347912][ T10] [ 1953.589970][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1953.590986][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1953.590986][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.590986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.590986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.590986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.590986][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.590986][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.590986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.590986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.590986][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.590986][ T10] netlink_unicast+0x449/0x710 [ 1953.590986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.590986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.590986][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.590986][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.590986][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.590986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.590986][ T10] [ 1953.593032][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1953.593032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.593032][ T10] ipv6_find_idev+0x102/0x170 [ 1953.593032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.593032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.593032][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.593032][ T10] netlink_unicast+0x449/0x710 [ 1953.593032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.593032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.593032][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.593032][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.593032][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.593032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.593032][ T10] [ 1953.594579][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1953.594579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.594579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.594579][ T10] ipv6_find_idev+0x102/0x170 [ 1953.594579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.594579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.594579][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.594579][ T10] netlink_unicast+0x449/0x710 [ 1953.594579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.594579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.594579][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.594579][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.594579][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.594579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.594579][ T10] [ 1953.596289][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1953.596551][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1953.596551][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.596551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.596551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.596551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.596551][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.596551][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.596551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.596551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.596551][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.596551][ T10] netlink_unicast+0x449/0x710 [ 1953.596551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.596551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.596551][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.596551][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.596551][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.596551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.596551][ T10] [ 1953.598953][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1953.598953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.598953][ T10] ipv6_find_idev+0x102/0x170 [ 1953.598953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.598953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.598953][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.598953][ T10] netlink_unicast+0x449/0x710 [ 1953.598953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.598953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.598953][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.598953][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.598953][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.598953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.598953][ T10] [ 1953.601409][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1953.601409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.601409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.601409][ T10] ipv6_find_idev+0x102/0x170 [ 1953.601409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.601409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.601409][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.601409][ T10] netlink_unicast+0x449/0x710 [ 1953.601409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.601409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.601409][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.601409][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.601409][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.601409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.601409][ T10] [ 1953.604113][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1953.604547][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1953.604547][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.604547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.604547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.604547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.604547][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.604547][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.604547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.604547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.604547][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.604547][ T10] netlink_unicast+0x449/0x710 [ 1953.604547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.604547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.604547][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.604547][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.604547][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.604547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.604547][ T10] [ 1953.607748][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1953.607748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.607748][ T10] ipv6_find_idev+0x102/0x170 [ 1953.607748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.607748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.607748][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.607748][ T10] netlink_unicast+0x449/0x710 [ 1953.607748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.607748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.607748][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.607748][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.607748][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.607748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.607748][ T10] [ 1953.610205][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1953.610205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.610205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.610205][ T10] ipv6_find_idev+0x102/0x170 [ 1953.610205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.610205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.610205][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.610205][ T10] netlink_unicast+0x449/0x710 [ 1953.610205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.610205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.610205][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.610205][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.610205][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.610205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.610205][ T10] [ 1953.612983][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1953.613410][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1953.613410][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.613410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.613410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.613410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.613410][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.613410][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.613410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.613410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.613410][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.613410][ T10] netlink_unicast+0x449/0x710 [ 1953.613410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.613410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.613410][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.613410][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.613410][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.613410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.613410][ T10] [ 1953.616618][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1953.616618][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.616618][ T10] ipv6_find_idev+0x102/0x170 [ 1953.616618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.616618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.616618][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.616618][ T10] netlink_unicast+0x449/0x710 [ 1953.616618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.616618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.616618][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.616618][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.616618][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.616618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.616618][ T10] [ 1953.618915][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1953.618915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.618915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.618915][ T10] ipv6_find_idev+0x102/0x170 [ 1953.618915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.618915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.618915][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.618915][ T10] netlink_unicast+0x449/0x710 [ 1953.618915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.618915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.618915][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.618915][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.618915][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.618915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.618915][ T10] [ 1953.620616][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1953.621341][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1953.621341][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.621341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.621341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.621341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.621341][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.621341][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.621341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.621341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.621341][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.621341][ T10] netlink_unicast+0x449/0x710 [ 1953.621341][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.621341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.621341][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.621341][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.621341][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.621341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.621341][ T10] [ 1953.623352][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1953.623352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.623352][ T10] ipv6_find_idev+0x102/0x170 [ 1953.623352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.623352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.623352][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.623352][ T10] netlink_unicast+0x449/0x710 [ 1953.623352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.623352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.623352][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.623352][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.623352][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.623352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.623352][ T10] [ 1953.624894][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1953.624894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.624894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.624894][ T10] ipv6_find_idev+0x102/0x170 [ 1953.624894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.624894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.624894][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.624894][ T10] netlink_unicast+0x449/0x710 [ 1953.624894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.624894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.624894][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.624894][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.624894][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.624894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.624894][ T10] [ 1953.626631][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1953.627060][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1953.627060][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.627060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.627060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.627060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.627060][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.627060][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.627060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.627060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.627060][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.627060][ T10] netlink_unicast+0x449/0x710 [ 1953.627060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.627060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.627060][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.627060][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.627060][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.627060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.627060][ T10] [ 1953.629908][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1953.629908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.629908][ T10] ipv6_find_idev+0x102/0x170 [ 1953.629908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.629908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.629908][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.629908][ T10] netlink_unicast+0x449/0x710 [ 1953.629908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.629908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.629908][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.629908][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.629908][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.629908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.629908][ T10] [ 1953.631677][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1953.631677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.631677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.631677][ T10] ipv6_find_idev+0x102/0x170 [ 1953.631677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.631677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.631677][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.631677][ T10] netlink_unicast+0x449/0x710 [ 1953.631677][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.631677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.631677][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.631677][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.631677][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.631677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.631677][ T10] [ 1953.633635][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1953.633959][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1953.633959][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.633959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.633959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.633959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.633959][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.633959][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.633959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.633959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.633959][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.633959][ T10] netlink_unicast+0x449/0x710 [ 1953.633959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.633959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.633959][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.633959][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.633959][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.633959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.633959][ T10] [ 1953.636121][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1953.636121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.636121][ T10] ipv6_find_idev+0x102/0x170 [ 1953.636121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.636121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.636121][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.636121][ T10] netlink_unicast+0x449/0x710 [ 1953.636121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.636121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.636121][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.636121][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.636121][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.636121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.636121][ T10] [ 1953.637825][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1953.637825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.637825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.637825][ T10] ipv6_find_idev+0x102/0x170 [ 1953.637825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.637825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.637825][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.637825][ T10] netlink_unicast+0x449/0x710 [ 1953.637825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.637825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.637825][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.637825][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.637825][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.637825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.637825][ T10] [ 1953.639712][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1953.640027][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1953.640027][ T10] netdev_get_by_index+0x5e/0x80 [ 1953.640027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1953.640027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1953.640027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1953.640027][ T10] ipv6_add_addr+0x411/0x2000 [ 1953.640027][ T10] inet6_addr_add+0x30e/0xa40 [ 1953.640027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.640027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.640027][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.640027][ T10] netlink_unicast+0x449/0x710 [ 1953.640027][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.640027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.640027][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.640027][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.640027][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.640027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.640027][ T10] [ 1953.642276][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1953.642276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1953.642276][ T10] ipv6_find_idev+0x102/0x170 [ 1953.642276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.642276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.642276][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.642276][ T10] netlink_unicast+0x449/0x710 [ 1953.642276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.642276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.642276][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.642276][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.642276][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.642276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.642276][ T10] [ 1953.643984][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1953.643984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1953.643984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1953.643984][ T10] ipv6_find_idev+0x102/0x170 [ 1953.643984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.643984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.643984][ T10] netlink_rcv_skb+0x130/0x360 [ 1953.643984][ T10] netlink_unicast+0x449/0x710 [ 1953.643984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1953.643984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1953.643984][ T10] ___sys_sendmsg+0xee/0x170 [ 1953.643984][ T10] __sys_sendmsg+0xcd/0x170 [ 1953.643984][ T10] do_syscall_64+0xc6/0x1e0 [ 1953.643984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.643984][ T10] [ 1963.885868][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1963.886371][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1963.886371][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.886371][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.886371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.886371][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.886371][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.886371][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.886371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.886371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.886371][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.886371][ T10] netlink_unicast+0x449/0x710 [ 1963.886371][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.886371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.886371][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.886371][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.886371][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.886371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.886371][ T10] [ 1963.888430][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1963.888430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.888430][ T10] ipv6_find_idev+0x102/0x170 [ 1963.888430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.888430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.888430][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.888430][ T10] netlink_unicast+0x449/0x710 [ 1963.888430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.888430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.888430][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.888430][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.888430][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.888430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.888430][ T10] [ 1963.889966][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1963.889966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.889966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.889966][ T10] ipv6_find_idev+0x102/0x170 [ 1963.889966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.889966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.889966][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.889966][ T10] netlink_unicast+0x449/0x710 [ 1963.889966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.889966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.889966][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.889966][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.889966][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.889966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.889966][ T10] [ 1963.891646][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1963.891925][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1963.891925][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.891925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.891925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.891925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.891925][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.891925][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.891925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.891925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.891925][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.891925][ T10] netlink_unicast+0x449/0x710 [ 1963.891925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.891925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.891925][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.891925][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.891925][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.891925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.891925][ T10] [ 1963.893920][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1963.893920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.893920][ T10] ipv6_find_idev+0x102/0x170 [ 1963.893920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.893920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.893920][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.893920][ T10] netlink_unicast+0x449/0x710 [ 1963.893920][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.893920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.893920][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.893920][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.893920][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.893920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.893920][ T10] [ 1963.895487][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1963.895487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.895487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.895487][ T10] ipv6_find_idev+0x102/0x170 [ 1963.895487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.895487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.895487][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.895487][ T10] netlink_unicast+0x449/0x710 [ 1963.895487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.895487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.895487][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.895487][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.895487][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.895487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.895487][ T10] [ 1963.897168][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1963.897434][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1963.897434][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.897434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.897434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.897434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.897434][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.897434][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.897434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.897434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.897434][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.897434][ T10] netlink_unicast+0x449/0x710 [ 1963.897434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.897434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.897434][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.897434][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.897434][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.897434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.897434][ T10] [ 1963.899417][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1963.899417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.899417][ T10] ipv6_find_idev+0x102/0x170 [ 1963.899417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.899417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.899417][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.899417][ T10] netlink_unicast+0x449/0x710 [ 1963.899417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.899417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.899417][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.899417][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.899417][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.899417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.899417][ T10] [ 1963.900959][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1963.900959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.900959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.900959][ T10] ipv6_find_idev+0x102/0x170 [ 1963.900959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.900959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.900959][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.900959][ T10] netlink_unicast+0x449/0x710 [ 1963.900959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.900959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.900959][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.900959][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.900959][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.900959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.900959][ T10] [ 1963.902632][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1963.903325][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1963.903325][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.903325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.903325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.903325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.903325][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.903325][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.903325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.903325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.903325][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.903325][ T10] netlink_unicast+0x449/0x710 [ 1963.903325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.903325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.903325][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.903325][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.903325][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.903325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.903325][ T10] [ 1963.905299][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1963.905299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.905299][ T10] ipv6_find_idev+0x102/0x170 [ 1963.905299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.905299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.905299][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.905299][ T10] netlink_unicast+0x449/0x710 [ 1963.905299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.905299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.905299][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.905299][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.905299][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.905299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.905299][ T10] [ 1963.906834][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1963.906834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.906834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.906834][ T10] ipv6_find_idev+0x102/0x170 [ 1963.906834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.906834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.906834][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.906834][ T10] netlink_unicast+0x449/0x710 [ 1963.906834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.906834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.906834][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.906834][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.906834][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.906834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.906834][ T10] [ 1963.908536][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1963.908800][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1963.908800][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.908800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.908800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.908800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.908800][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.908800][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.908800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.908800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.908800][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.908800][ T10] netlink_unicast+0x449/0x710 [ 1963.908800][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.908800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.908800][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.908800][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.908800][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.908800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.908800][ T10] [ 1963.910775][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1963.910775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.910775][ T10] ipv6_find_idev+0x102/0x170 [ 1963.910775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.910775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.910775][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.910775][ T10] netlink_unicast+0x449/0x710 [ 1963.910775][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.910775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.910775][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.910775][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.910775][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.910775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.910775][ T10] [ 1963.912302][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1963.912302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.912302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.912302][ T10] ipv6_find_idev+0x102/0x170 [ 1963.912302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.912302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.912302][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.912302][ T10] netlink_unicast+0x449/0x710 [ 1963.912302][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.912302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.912302][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.912302][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.912302][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.912302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.912302][ T10] [ 1963.914014][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1963.914276][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1963.914276][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.914276][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.914276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.914276][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.914276][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.914276][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.914276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.914276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.914276][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.914276][ T10] netlink_unicast+0x449/0x710 [ 1963.914276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.914276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.914276][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.914276][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.914276][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.914276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.914276][ T10] [ 1963.916377][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1963.916377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.916377][ T10] ipv6_find_idev+0x102/0x170 [ 1963.916377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.916377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.916377][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.916377][ T10] netlink_unicast+0x449/0x710 [ 1963.916377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.916377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.916377][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.916377][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.916377][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.916377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.916377][ T10] [ 1963.918657][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1963.918657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.918657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.918657][ T10] ipv6_find_idev+0x102/0x170 [ 1963.918657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.918657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.918657][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.918657][ T10] netlink_unicast+0x449/0x710 [ 1963.918657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.918657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.918657][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.918657][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.918657][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.918657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.918657][ T10] [ 1963.920545][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1963.920806][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1963.920806][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.920806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.920806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.920806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.920806][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.920806][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.920806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.920806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.920806][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.920806][ T10] netlink_unicast+0x449/0x710 [ 1963.920806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.920806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.920806][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.920806][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.920806][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.920806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.920806][ T10] [ 1963.923025][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1963.923025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.923025][ T10] ipv6_find_idev+0x102/0x170 [ 1963.923025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.923025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.923025][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.923025][ T10] netlink_unicast+0x449/0x710 [ 1963.923025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.923025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.923025][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.923025][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.923025][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.923025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.923025][ T10] [ 1963.924728][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1963.924728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.924728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.924728][ T10] ipv6_find_idev+0x102/0x170 [ 1963.924728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.924728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.924728][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.924728][ T10] netlink_unicast+0x449/0x710 [ 1963.924728][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.924728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.924728][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.924728][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.924728][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.924728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.924728][ T10] [ 1963.926619][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1963.926935][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1963.926935][ T10] netdev_get_by_index+0x5e/0x80 [ 1963.926935][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1963.926935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1963.926935][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1963.926935][ T10] ipv6_add_addr+0x411/0x2000 [ 1963.926935][ T10] inet6_addr_add+0x30e/0xa40 [ 1963.926935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.926935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.926935][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.926935][ T10] netlink_unicast+0x449/0x710 [ 1963.926935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.926935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.926935][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.926935][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.926935][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.926935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.926935][ T10] [ 1963.929159][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1963.929159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1963.929159][ T10] ipv6_find_idev+0x102/0x170 [ 1963.929159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.929159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.929159][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.929159][ T10] netlink_unicast+0x449/0x710 [ 1963.929159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.929159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.929159][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.929159][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.929159][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.929159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.929159][ T10] [ 1963.930867][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1963.930867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1963.930867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1963.930867][ T10] ipv6_find_idev+0x102/0x170 [ 1963.930867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.930867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.930867][ T10] netlink_rcv_skb+0x130/0x360 [ 1963.930867][ T10] netlink_unicast+0x449/0x710 [ 1963.930867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1963.930867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1963.930867][ T10] ___sys_sendmsg+0xee/0x170 [ 1963.930867][ T10] __sys_sendmsg+0xcd/0x170 [ 1963.930867][ T10] do_syscall_64+0xc6/0x1e0 [ 1963.930867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.930867][ T10] [ 1974.174003][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1974.174628][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1974.174628][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.174628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.174628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.174628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.174628][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.174628][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.174628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.174628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.174628][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.174628][ T10] netlink_unicast+0x449/0x710 [ 1974.174628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.174628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.174628][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.174628][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.174628][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.174628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.174628][ T10] [ 1974.176669][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1974.176669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.176669][ T10] ipv6_find_idev+0x102/0x170 [ 1974.176669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.176669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.176669][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.176669][ T10] netlink_unicast+0x449/0x710 [ 1974.176669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.176669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.176669][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.176669][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.176669][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.176669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.176669][ T10] [ 1974.178217][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1974.178217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.178217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.178217][ T10] ipv6_find_idev+0x102/0x170 [ 1974.178217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.178217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.178217][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.178217][ T10] netlink_unicast+0x449/0x710 [ 1974.178217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.178217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.178217][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.178217][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.178217][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.178217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.178217][ T10] [ 1974.179938][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1974.180230][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1974.180230][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.180230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.180230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.180230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.180230][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.180230][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.180230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.180230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.180230][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.180230][ T10] netlink_unicast+0x449/0x710 [ 1974.180230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.180230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.180230][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.180230][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.180230][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.180230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.180230][ T10] [ 1974.182249][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1974.182249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.182249][ T10] ipv6_find_idev+0x102/0x170 [ 1974.182249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.182249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.182249][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.182249][ T10] netlink_unicast+0x449/0x710 [ 1974.182249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.182249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.182249][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.182249][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.182249][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.182249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.182249][ T10] [ 1974.183811][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1974.183811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.183811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.183811][ T10] ipv6_find_idev+0x102/0x170 [ 1974.183811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.183811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.183811][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.183811][ T10] netlink_unicast+0x449/0x710 [ 1974.183811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.183811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.183811][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.183811][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.183811][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.183811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.183811][ T10] [ 1974.185498][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1974.185769][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1974.185769][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.185769][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.185769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.185769][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.185769][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.185769][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.185769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.185769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.185769][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.185769][ T10] netlink_unicast+0x449/0x710 [ 1974.185769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.185769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.185769][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.185769][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.185769][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.185769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.185769][ T10] [ 1974.187747][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1974.187747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.187747][ T10] ipv6_find_idev+0x102/0x170 [ 1974.187747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.187747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.187747][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.187747][ T10] netlink_unicast+0x449/0x710 [ 1974.187747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.187747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.187747][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.187747][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.187747][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.187747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.187747][ T10] [ 1974.189288][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1974.189288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.189288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.189288][ T10] ipv6_find_idev+0x102/0x170 [ 1974.189288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.189288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.189288][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.189288][ T10] netlink_unicast+0x449/0x710 [ 1974.189288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.189288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.189288][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.189288][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.189288][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.189288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.189288][ T10] [ 1974.190962][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1974.191230][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1974.191230][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.191230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.191230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.191230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.191230][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.191230][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.191230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.191230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.191230][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.191230][ T10] netlink_unicast+0x449/0x710 [ 1974.191230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.191230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.191230][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.191230][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.191230][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.191230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.191230][ T10] [ 1974.193228][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1974.193228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.193228][ T10] ipv6_find_idev+0x102/0x170 [ 1974.193228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.193228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.193228][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.193228][ T10] netlink_unicast+0x449/0x710 [ 1974.193228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.193228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.193228][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.193228][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.193228][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.193228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.193228][ T10] [ 1974.194752][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1974.194752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.194752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.194752][ T10] ipv6_find_idev+0x102/0x170 [ 1974.194752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.194752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.194752][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.194752][ T10] netlink_unicast+0x449/0x710 [ 1974.194752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.194752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.194752][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.194752][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.194752][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.194752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.194752][ T10] [ 1974.196498][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1974.196761][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1974.196761][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.196761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.196761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.196761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.196761][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.196761][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.196761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.196761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.196761][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.196761][ T10] netlink_unicast+0x449/0x710 [ 1974.196761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.196761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.196761][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.196761][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.196761][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.196761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.196761][ T10] [ 1974.198743][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1974.198743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.198743][ T10] ipv6_find_idev+0x102/0x170 [ 1974.198743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.198743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.198743][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.198743][ T10] netlink_unicast+0x449/0x710 [ 1974.198743][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.198743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.198743][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.198743][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.198743][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.198743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.198743][ T10] [ 1974.200325][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1974.200325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.200325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.200325][ T10] ipv6_find_idev+0x102/0x170 [ 1974.200325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.200325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.200325][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.200325][ T10] netlink_unicast+0x449/0x710 [ 1974.200325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.200325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.200325][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.200325][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.200325][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.200325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.200325][ T10] [ 1974.202201][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1974.202473][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1974.202473][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.202473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.202473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.202473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.202473][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.202473][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.202473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.202473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.202473][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.202473][ T10] netlink_unicast+0x449/0x710 [ 1974.202473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.202473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.202473][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.202473][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.202473][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.202473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.202473][ T10] [ 1974.204741][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1974.204741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.204741][ T10] ipv6_find_idev+0x102/0x170 [ 1974.204741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.204741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.204741][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.204741][ T10] netlink_unicast+0x449/0x710 [ 1974.204741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.204741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.204741][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.204741][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.204741][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.204741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.204741][ T10] [ 1974.206439][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1974.206439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.206439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.206439][ T10] ipv6_find_idev+0x102/0x170 [ 1974.206439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.206439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.206439][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.206439][ T10] netlink_unicast+0x449/0x710 [ 1974.206439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.206439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.206439][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.206439][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.206439][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.206439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.206439][ T10] [ 1974.208263][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1974.208524][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1974.208524][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.208524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.208524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.208524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.208524][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.208524][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.208524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.208524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.208524][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.208524][ T10] netlink_unicast+0x449/0x710 [ 1974.208524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.208524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.208524][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.208524][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.208524][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.208524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.208524][ T10] [ 1974.210670][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1974.210670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.210670][ T10] ipv6_find_idev+0x102/0x170 [ 1974.210670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.210670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.210670][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.210670][ T10] netlink_unicast+0x449/0x710 [ 1974.210670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.210670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.210670][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.210670][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.210670][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.210670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.210670][ T10] [ 1974.212385][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1974.212385][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.212385][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.212385][ T10] ipv6_find_idev+0x102/0x170 [ 1974.212385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.212385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.212385][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.212385][ T10] netlink_unicast+0x449/0x710 [ 1974.212385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.212385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.212385][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.212385][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.212385][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.212385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.212385][ T10] [ 1974.214388][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1974.214645][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1974.214645][ T10] netdev_get_by_index+0x5e/0x80 [ 1974.214645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1974.214645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1974.214645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1974.214645][ T10] ipv6_add_addr+0x411/0x2000 [ 1974.214645][ T10] inet6_addr_add+0x30e/0xa40 [ 1974.214645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.214645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.214645][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.214645][ T10] netlink_unicast+0x449/0x710 [ 1974.214645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.214645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.214645][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.214645][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.214645][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.214645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.214645][ T10] [ 1974.216796][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1974.216796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1974.216796][ T10] ipv6_find_idev+0x102/0x170 [ 1974.216796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.216796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.216796][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.216796][ T10] netlink_unicast+0x449/0x710 [ 1974.216796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.216796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.216796][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.216796][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.216796][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.216796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.216796][ T10] [ 1974.218496][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1974.218496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1974.218496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1974.218496][ T10] ipv6_find_idev+0x102/0x170 [ 1974.218496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.218496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.218496][ T10] netlink_rcv_skb+0x130/0x360 [ 1974.218496][ T10] netlink_unicast+0x449/0x710 [ 1974.218496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1974.218496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1974.218496][ T10] ___sys_sendmsg+0xee/0x170 [ 1974.218496][ T10] __sys_sendmsg+0xcd/0x170 [ 1974.218496][ T10] do_syscall_64+0xc6/0x1e0 [ 1974.218496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.218496][ T10] [ 1984.461905][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1984.462401][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1984.462401][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.462401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.462401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.462401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.462401][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.462401][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.462401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.462401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.462401][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.462401][ T10] netlink_unicast+0x449/0x710 [ 1984.462401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.462401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.462401][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.462401][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.462401][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.462401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.462401][ T10] [ 1984.464449][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1984.464449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.464449][ T10] ipv6_find_idev+0x102/0x170 [ 1984.464449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.464449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.464449][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.464449][ T10] netlink_unicast+0x449/0x710 [ 1984.464449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.464449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.464449][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.464449][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.464449][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.464449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.464449][ T10] [ 1984.466012][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1984.466012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.466012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.466012][ T10] ipv6_find_idev+0x102/0x170 [ 1984.466012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.466012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.466012][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.466012][ T10] netlink_unicast+0x449/0x710 [ 1984.466012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.466012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.466012][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.466012][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.466012][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.466012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.466012][ T10] [ 1984.467719][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1984.468002][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1984.468002][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.468002][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.468002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.468002][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.468002][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.468002][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.468002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.468002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.468002][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.468002][ T10] netlink_unicast+0x449/0x710 [ 1984.468002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.468002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.468002][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.468002][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.468002][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.468002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.468002][ T10] [ 1984.470062][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1984.470062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.470062][ T10] ipv6_find_idev+0x102/0x170 [ 1984.470062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.470062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.470062][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.470062][ T10] netlink_unicast+0x449/0x710 [ 1984.470062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.470062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.470062][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.470062][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.470062][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.470062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.470062][ T10] [ 1984.471595][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1984.471595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.471595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.471595][ T10] ipv6_find_idev+0x102/0x170 [ 1984.471595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.471595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.471595][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.471595][ T10] netlink_unicast+0x449/0x710 [ 1984.471595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.471595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.471595][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.471595][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.471595][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.471595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.471595][ T10] [ 1984.473289][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1984.473564][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1984.473564][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.473564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.473564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.473564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.473564][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.473564][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.473564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.473564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.473564][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.473564][ T10] netlink_unicast+0x449/0x710 [ 1984.473564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.473564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.473564][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.473564][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.473564][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.473564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.473564][ T10] [ 1984.475541][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1984.475541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.475541][ T10] ipv6_find_idev+0x102/0x170 [ 1984.475541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.475541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.475541][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.475541][ T10] netlink_unicast+0x449/0x710 [ 1984.475541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.475541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.475541][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.475541][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.475541][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.475541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.475541][ T10] [ 1984.477069][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1984.477069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.477069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.477069][ T10] ipv6_find_idev+0x102/0x170 [ 1984.477069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.477069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.477069][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.477069][ T10] netlink_unicast+0x449/0x710 [ 1984.477069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.477069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.477069][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.477069][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.477069][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.477069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.477069][ T10] [ 1984.478740][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1984.479435][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1984.479435][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.479435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.479435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.479435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.479435][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.479435][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.479435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.479435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.479435][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.479435][ T10] netlink_unicast+0x449/0x710 [ 1984.479435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.479435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.479435][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.479435][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.479435][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.479435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.479435][ T10] [ 1984.481411][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1984.481411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.481411][ T10] ipv6_find_idev+0x102/0x170 [ 1984.481411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.481411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.481411][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.481411][ T10] netlink_unicast+0x449/0x710 [ 1984.481411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.481411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.481411][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.481411][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.481411][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.481411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.481411][ T10] [ 1984.482954][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1984.482954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.482954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.482954][ T10] ipv6_find_idev+0x102/0x170 [ 1984.482954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.482954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.482954][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.482954][ T10] netlink_unicast+0x449/0x710 [ 1984.482954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.482954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.482954][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.482954][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.482954][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.482954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.482954][ T10] [ 1984.484744][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1984.485070][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1984.485070][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.485070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.485070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.485070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.485070][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.485070][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.485070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.485070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.485070][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.485070][ T10] netlink_unicast+0x449/0x710 [ 1984.485070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.485070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.485070][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.485070][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.485070][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.485070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.485070][ T10] [ 1984.487056][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1984.487056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.487056][ T10] ipv6_find_idev+0x102/0x170 [ 1984.487056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.487056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.487056][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.487056][ T10] netlink_unicast+0x449/0x710 [ 1984.487056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.487056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.487056][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.487056][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.487056][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.487056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.487056][ T10] [ 1984.488583][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1984.488583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.488583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.488583][ T10] ipv6_find_idev+0x102/0x170 [ 1984.488583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.488583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.488583][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.488583][ T10] netlink_unicast+0x449/0x710 [ 1984.488583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.488583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.488583][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.488583][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.488583][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.488583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.488583][ T10] [ 1984.490290][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1984.490562][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1984.490562][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.490562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.490562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.490562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.490562][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.490562][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.490562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.490562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.490562][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.490562][ T10] netlink_unicast+0x449/0x710 [ 1984.490562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.490562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.490562][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.490562][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.490562][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.490562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.490562][ T10] [ 1984.492546][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1984.492546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.492546][ T10] ipv6_find_idev+0x102/0x170 [ 1984.492546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.492546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.492546][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.492546][ T10] netlink_unicast+0x449/0x710 [ 1984.492546][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.492546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.492546][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.492546][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.492546][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.492546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.492546][ T10] [ 1984.494280][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1984.494280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.494280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.494280][ T10] ipv6_find_idev+0x102/0x170 [ 1984.494280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.494280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.494280][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.494280][ T10] netlink_unicast+0x449/0x710 [ 1984.494280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.494280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.494280][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.494280][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.494280][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.494280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.494280][ T10] [ 1984.496230][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1984.496499][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1984.496499][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.496499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.496499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.496499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.496499][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.496499][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.496499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.496499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.496499][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.496499][ T10] netlink_unicast+0x449/0x710 [ 1984.496499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.496499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.496499][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.496499][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.496499][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.496499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.496499][ T10] [ 1984.498651][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1984.498651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.498651][ T10] ipv6_find_idev+0x102/0x170 [ 1984.498651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.498651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.498651][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.498651][ T10] netlink_unicast+0x449/0x710 [ 1984.498651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.498651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.498651][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.498651][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.498651][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.498651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.498651][ T10] [ 1984.500350][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1984.500350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.500350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.500350][ T10] ipv6_find_idev+0x102/0x170 [ 1984.500350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.500350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.500350][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.500350][ T10] netlink_unicast+0x449/0x710 [ 1984.500350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.500350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.500350][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.500350][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.500350][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.500350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.500350][ T10] [ 1984.502233][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1984.502514][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1984.502514][ T10] netdev_get_by_index+0x5e/0x80 [ 1984.502514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1984.502514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1984.502514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1984.502514][ T10] ipv6_add_addr+0x411/0x2000 [ 1984.502514][ T10] inet6_addr_add+0x30e/0xa40 [ 1984.502514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.502514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.502514][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.502514][ T10] netlink_unicast+0x449/0x710 [ 1984.502514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.502514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.502514][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.502514][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.502514][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.502514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.502514][ T10] [ 1984.504795][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1984.504795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1984.504795][ T10] ipv6_find_idev+0x102/0x170 [ 1984.504795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.504795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.504795][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.504795][ T10] netlink_unicast+0x449/0x710 [ 1984.504795][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.504795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.504795][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.504795][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.504795][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.504795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.504795][ T10] [ 1984.506497][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1984.506497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1984.506497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1984.506497][ T10] ipv6_find_idev+0x102/0x170 [ 1984.506497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.506497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.506497][ T10] netlink_rcv_skb+0x130/0x360 [ 1984.506497][ T10] netlink_unicast+0x449/0x710 [ 1984.506497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1984.506497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1984.506497][ T10] ___sys_sendmsg+0xee/0x170 [ 1984.506497][ T10] __sys_sendmsg+0xcd/0x170 [ 1984.506497][ T10] do_syscall_64+0xc6/0x1e0 [ 1984.506497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.506497][ T10] [ 1994.661949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1994.662541][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1994.662541][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.662541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.662541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.662541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.662541][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.662541][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.662541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.662541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.662541][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.662541][ T10] netlink_unicast+0x449/0x710 [ 1994.662541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.662541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.662541][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.662541][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.662541][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.662541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.662541][ T10] [ 1994.664589][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1994.664589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.664589][ T10] ipv6_find_idev+0x102/0x170 [ 1994.664589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.664589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.664589][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.664589][ T10] netlink_unicast+0x449/0x710 [ 1994.664589][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.664589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.664589][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.664589][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.664589][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.664589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.664589][ T10] [ 1994.666128][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 1994.666128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.666128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.666128][ T10] ipv6_find_idev+0x102/0x170 [ 1994.666128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.666128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.666128][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.666128][ T10] netlink_unicast+0x449/0x710 [ 1994.666128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.666128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.666128][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.666128][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.666128][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.666128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.666128][ T10] [ 1994.667853][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1994.668118][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1994.668118][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.668118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.668118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.668118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.668118][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.668118][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.668118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.668118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.668118][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.668118][ T10] netlink_unicast+0x449/0x710 [ 1994.668118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.668118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.668118][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.668118][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.668118][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.668118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.668118][ T10] [ 1994.670112][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1994.670112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.670112][ T10] ipv6_find_idev+0x102/0x170 [ 1994.670112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.670112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.670112][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.670112][ T10] netlink_unicast+0x449/0x710 [ 1994.670112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.670112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.670112][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.670112][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.670112][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.670112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.670112][ T10] [ 1994.671636][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 1994.671636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.671636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.671636][ T10] ipv6_find_idev+0x102/0x170 [ 1994.671636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.671636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.671636][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.671636][ T10] netlink_unicast+0x449/0x710 [ 1994.671636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.671636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.671636][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.671636][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.671636][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.671636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.671636][ T10] [ 1994.673318][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1994.673585][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1994.673585][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.673585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.673585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.673585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.673585][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.673585][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.673585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.673585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.673585][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.673585][ T10] netlink_unicast+0x449/0x710 [ 1994.673585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.673585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.673585][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.673585][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.673585][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.673585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.673585][ T10] [ 1994.675565][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1994.675565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.675565][ T10] ipv6_find_idev+0x102/0x170 [ 1994.675565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.675565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.675565][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.675565][ T10] netlink_unicast+0x449/0x710 [ 1994.675565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.675565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.675565][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.675565][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.675565][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.675565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.675565][ T10] [ 1994.677090][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 1994.677090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.677090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.677090][ T10] ipv6_find_idev+0x102/0x170 [ 1994.677090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.677090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.677090][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.677090][ T10] netlink_unicast+0x449/0x710 [ 1994.677090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.677090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.677090][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.677090][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.677090][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.677090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.677090][ T10] [ 1994.678803][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1994.679069][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1994.679069][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.679069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.679069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.679069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.679069][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.679069][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.679069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.679069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.679069][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.679069][ T10] netlink_unicast+0x449/0x710 [ 1994.679069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.679069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.679069][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.679069][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.679069][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.679069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.679069][ T10] [ 1994.681064][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1994.681064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.681064][ T10] ipv6_find_idev+0x102/0x170 [ 1994.681064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.681064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.681064][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.681064][ T10] netlink_unicast+0x449/0x710 [ 1994.681064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.681064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.681064][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.681064][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.681064][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.681064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.681064][ T10] [ 1994.682592][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 1994.682592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.682592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.682592][ T10] ipv6_find_idev+0x102/0x170 [ 1994.682592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.682592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.682592][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.682592][ T10] netlink_unicast+0x449/0x710 [ 1994.682592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.682592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.682592][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.682592][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.682592][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.682592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.682592][ T10] [ 1994.684653][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1994.685257][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1994.685257][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.685257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.685257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.685257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.685257][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.685257][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.685257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.685257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.685257][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.685257][ T10] netlink_unicast+0x449/0x710 [ 1994.685257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.685257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.685257][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.685257][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.685257][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.685257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.685257][ T10] [ 1994.687228][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1994.687228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.687228][ T10] ipv6_find_idev+0x102/0x170 [ 1994.687228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.687228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.687228][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.687228][ T10] netlink_unicast+0x449/0x710 [ 1994.687228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.687228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.687228][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.687228][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.687228][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.687228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.687228][ T10] [ 1994.688748][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 1994.688748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.688748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.688748][ T10] ipv6_find_idev+0x102/0x170 [ 1994.688748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.688748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.688748][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.688748][ T10] netlink_unicast+0x449/0x710 [ 1994.688748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.688748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.688748][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.688748][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.688748][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.688748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.688748][ T10] [ 1994.690408][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1994.690672][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1994.690672][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.690672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.690672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.690672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.690672][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.690672][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.690672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.690672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.690672][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.690672][ T10] netlink_unicast+0x449/0x710 [ 1994.690672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.690672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.690672][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.690672][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.690672][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.690672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.690672][ T10] [ 1994.692662][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1994.692662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.692662][ T10] ipv6_find_idev+0x102/0x170 [ 1994.692662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.692662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.692662][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.692662][ T10] netlink_unicast+0x449/0x710 [ 1994.692662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.692662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.692662][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.692662][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.692662][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.692662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.692662][ T10] [ 1994.694248][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 1994.694248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.694248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.694248][ T10] ipv6_find_idev+0x102/0x170 [ 1994.694248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.694248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.694248][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.694248][ T10] netlink_unicast+0x449/0x710 [ 1994.694248][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.694248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.694248][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.694248][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.694248][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.694248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.694248][ T10] [ 1994.696204][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1994.696467][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1994.696467][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.696467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.696467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.696467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.696467][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.696467][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.696467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.696467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.696467][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.696467][ T10] netlink_unicast+0x449/0x710 [ 1994.696467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.696467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.696467][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.696467][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.696467][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.696467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.696467][ T10] [ 1994.698679][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1994.698679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.698679][ T10] ipv6_find_idev+0x102/0x170 [ 1994.698679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.698679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.698679][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.698679][ T10] netlink_unicast+0x449/0x710 [ 1994.698679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.698679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.698679][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.698679][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.698679][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.698679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.698679][ T10] [ 1994.700374][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 1994.700374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.700374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.700374][ T10] ipv6_find_idev+0x102/0x170 [ 1994.700374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.700374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.700374][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.700374][ T10] netlink_unicast+0x449/0x710 [ 1994.700374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.700374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.700374][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.700374][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.700374][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.700374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.700374][ T10] [ 1994.702252][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1994.702520][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1994.702520][ T10] netdev_get_by_index+0x5e/0x80 [ 1994.702520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1994.702520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1994.702520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1994.702520][ T10] ipv6_add_addr+0x411/0x2000 [ 1994.702520][ T10] inet6_addr_add+0x30e/0xa40 [ 1994.702520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.702520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.702520][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.702520][ T10] netlink_unicast+0x449/0x710 [ 1994.702520][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.702520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.702520][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.702520][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.702520][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.702520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.702520][ T10] [ 1994.704729][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1994.704729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1994.704729][ T10] ipv6_find_idev+0x102/0x170 [ 1994.704729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.704729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.704729][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.704729][ T10] netlink_unicast+0x449/0x710 [ 1994.704729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.704729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.704729][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.704729][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.704729][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.704729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.704729][ T10] [ 1994.706424][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 1994.706424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1994.706424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1994.706424][ T10] ipv6_find_idev+0x102/0x170 [ 1994.706424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.706424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.706424][ T10] netlink_rcv_skb+0x130/0x360 [ 1994.706424][ T10] netlink_unicast+0x449/0x710 [ 1994.706424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1994.706424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1994.706424][ T10] ___sys_sendmsg+0xee/0x170 [ 1994.706424][ T10] __sys_sendmsg+0xcd/0x170 [ 1994.706424][ T10] do_syscall_64+0xc6/0x1e0 [ 1994.706424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.706424][ T10] [ 2004.725950][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2004.726528][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2004.726528][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.726528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.726528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.726528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.726528][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.726528][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.726528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.726528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.726528][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.726528][ T10] netlink_unicast+0x449/0x710 [ 2004.726528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.726528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.726528][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.726528][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.726528][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.726528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.726528][ T10] [ 2004.728607][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2004.728607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.728607][ T10] ipv6_find_idev+0x102/0x170 [ 2004.728607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.728607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.728607][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.728607][ T10] netlink_unicast+0x449/0x710 [ 2004.728607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.728607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.728607][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.728607][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.728607][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.728607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.728607][ T10] [ 2004.730284][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2004.730284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.730284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.730284][ T10] ipv6_find_idev+0x102/0x170 [ 2004.730284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.730284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.730284][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.730284][ T10] netlink_unicast+0x449/0x710 [ 2004.730284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.730284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.730284][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.730284][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.730284][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.730284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.730284][ T10] [ 2004.732001][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2004.732290][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2004.732290][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.732290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.732290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.732290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.732290][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.732290][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.732290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.732290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.732290][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.732290][ T10] netlink_unicast+0x449/0x710 [ 2004.732290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.732290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.732290][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.732290][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.732290][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.732290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.732290][ T10] [ 2004.734297][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2004.734297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.734297][ T10] ipv6_find_idev+0x102/0x170 [ 2004.734297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.734297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.734297][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.734297][ T10] netlink_unicast+0x449/0x710 [ 2004.734297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.734297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.734297][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.734297][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.734297][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.734297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.734297][ T10] [ 2004.735848][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2004.735848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.735848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.735848][ T10] ipv6_find_idev+0x102/0x170 [ 2004.735848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.735848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.735848][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.735848][ T10] netlink_unicast+0x449/0x710 [ 2004.735848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.735848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.735848][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.735848][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.735848][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.735848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.735848][ T10] [ 2004.737549][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2004.737827][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2004.737827][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.737827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.737827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.737827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.737827][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.737827][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.737827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.737827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.737827][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.737827][ T10] netlink_unicast+0x449/0x710 [ 2004.737827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.737827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.737827][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.737827][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.737827][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.737827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.737827][ T10] [ 2004.739835][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2004.739835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.739835][ T10] ipv6_find_idev+0x102/0x170 [ 2004.739835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.739835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.739835][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.739835][ T10] netlink_unicast+0x449/0x710 [ 2004.739835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.739835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.739835][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.739835][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.739835][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.739835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.739835][ T10] [ 2004.741380][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2004.741380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.741380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.741380][ T10] ipv6_find_idev+0x102/0x170 [ 2004.741380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.741380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.741380][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.741380][ T10] netlink_unicast+0x449/0x710 [ 2004.741380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.741380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.741380][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.741380][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.741380][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.741380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.741380][ T10] [ 2004.743086][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2004.743350][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2004.743350][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.743350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.743350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.743350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.743350][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.743350][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.743350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.743350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.743350][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.743350][ T10] netlink_unicast+0x449/0x710 [ 2004.743350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.743350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.743350][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.743350][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.743350][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.743350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.743350][ T10] [ 2004.745350][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2004.745350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.745350][ T10] ipv6_find_idev+0x102/0x170 [ 2004.745350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.745350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.745350][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.745350][ T10] netlink_unicast+0x449/0x710 [ 2004.745350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.745350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.745350][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.745350][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.745350][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.745350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.745350][ T10] [ 2004.746898][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2004.746898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.746898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.746898][ T10] ipv6_find_idev+0x102/0x170 [ 2004.746898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.746898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.746898][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.746898][ T10] netlink_unicast+0x449/0x710 [ 2004.746898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.746898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.746898][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.746898][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.746898][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.746898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.746898][ T10] [ 2004.748992][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2004.749585][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2004.749585][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.749585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.749585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.749585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.749585][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.749585][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.749585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.749585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.749585][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.749585][ T10] netlink_unicast+0x449/0x710 [ 2004.749585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.749585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.749585][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.749585][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.749585][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.749585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.749585][ T10] [ 2004.751575][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2004.751575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.751575][ T10] ipv6_find_idev+0x102/0x170 [ 2004.751575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.751575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.751575][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.751575][ T10] netlink_unicast+0x449/0x710 [ 2004.751575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.751575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.751575][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.751575][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.751575][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.751575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.751575][ T10] [ 2004.753136][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2004.753136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.753136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.753136][ T10] ipv6_find_idev+0x102/0x170 [ 2004.753136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.753136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.753136][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.753136][ T10] netlink_unicast+0x449/0x710 [ 2004.753136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.753136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.753136][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.753136][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.753136][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.753136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.753136][ T10] [ 2004.754837][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2004.755107][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2004.755107][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.755107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.755107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.755107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.755107][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.755107][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.755107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.755107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.755107][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.755107][ T10] netlink_unicast+0x449/0x710 [ 2004.755107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.755107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.755107][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.755107][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.755107][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.755107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.755107][ T10] [ 2004.757108][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2004.757108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.757108][ T10] ipv6_find_idev+0x102/0x170 [ 2004.757108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.757108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.757108][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.757108][ T10] netlink_unicast+0x449/0x710 [ 2004.757108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.757108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.757108][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.757108][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.757108][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.757108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.757108][ T10] [ 2004.758775][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2004.758775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.758775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.758775][ T10] ipv6_find_idev+0x102/0x170 [ 2004.758775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.758775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.758775][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.758775][ T10] netlink_unicast+0x449/0x710 [ 2004.758775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.758775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.758775][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.758775][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.758775][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.758775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.758775][ T10] [ 2004.760752][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2004.761083][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2004.761083][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.761083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.761083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.761083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.761083][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.761083][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.761083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.761083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.761083][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.761083][ T10] netlink_unicast+0x449/0x710 [ 2004.761083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.761083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.761083][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.761083][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.761083][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.761083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.761083][ T10] [ 2004.763266][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2004.763266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.763266][ T10] ipv6_find_idev+0x102/0x170 [ 2004.763266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.763266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.763266][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.763266][ T10] netlink_unicast+0x449/0x710 [ 2004.763266][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.763266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.763266][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.763266][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.763266][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.763266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.763266][ T10] [ 2004.764994][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2004.764994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.764994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.764994][ T10] ipv6_find_idev+0x102/0x170 [ 2004.764994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.764994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.764994][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.764994][ T10] netlink_unicast+0x449/0x710 [ 2004.764994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.764994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.764994][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.764994][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.764994][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.764994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.764994][ T10] [ 2004.766903][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2004.767212][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2004.767212][ T10] netdev_get_by_index+0x5e/0x80 [ 2004.767212][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2004.767212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2004.767212][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2004.767212][ T10] ipv6_add_addr+0x411/0x2000 [ 2004.767212][ T10] inet6_addr_add+0x30e/0xa40 [ 2004.767212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.767212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.767212][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.767212][ T10] netlink_unicast+0x449/0x710 [ 2004.767212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.767212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.767212][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.767212][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.767212][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.767212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.767212][ T10] [ 2004.769394][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2004.769394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2004.769394][ T10] ipv6_find_idev+0x102/0x170 [ 2004.769394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.769394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.769394][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.769394][ T10] netlink_unicast+0x449/0x710 [ 2004.769394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.769394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.769394][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.769394][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.769394][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.769394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.769394][ T10] [ 2004.771179][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2004.771179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2004.771179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2004.771179][ T10] ipv6_find_idev+0x102/0x170 [ 2004.771179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.771179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.771179][ T10] netlink_rcv_skb+0x130/0x360 [ 2004.771179][ T10] netlink_unicast+0x449/0x710 [ 2004.771179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2004.771179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2004.771179][ T10] ___sys_sendmsg+0xee/0x170 [ 2004.771179][ T10] __sys_sendmsg+0xcd/0x170 [ 2004.771179][ T10] do_syscall_64+0xc6/0x1e0 [ 2004.771179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.771179][ T10] [ 2015.013878][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2015.014347][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2015.014347][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.014347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.014347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.014347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.014347][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.014347][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.014347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.014347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.014347][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.014347][ T10] netlink_unicast+0x449/0x710 [ 2015.014347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.014347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.014347][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.014347][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.014347][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.014347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.014347][ T10] [ 2015.016359][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2015.016359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.016359][ T10] ipv6_find_idev+0x102/0x170 [ 2015.016359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.016359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.016359][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.016359][ T10] netlink_unicast+0x449/0x710 [ 2015.016359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.016359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.016359][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.016359][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.016359][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.016359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.016359][ T10] [ 2015.017883][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2015.017883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.017883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.017883][ T10] ipv6_find_idev+0x102/0x170 [ 2015.017883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.017883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.017883][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.017883][ T10] netlink_unicast+0x449/0x710 [ 2015.017883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.017883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.017883][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.017883][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.017883][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.017883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.017883][ T10] [ 2015.019549][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2015.019840][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2015.019840][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.019840][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.019840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.019840][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.019840][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.019840][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.019840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.019840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.019840][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.019840][ T10] netlink_unicast+0x449/0x710 [ 2015.019840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.019840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.019840][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.019840][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.019840][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.019840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.019840][ T10] [ 2015.021811][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2015.021811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.021811][ T10] ipv6_find_idev+0x102/0x170 [ 2015.021811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.021811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.021811][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.021811][ T10] netlink_unicast+0x449/0x710 [ 2015.021811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.021811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.021811][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.021811][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.021811][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.021811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.021811][ T10] [ 2015.023354][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2015.023354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.023354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.023354][ T10] ipv6_find_idev+0x102/0x170 [ 2015.023354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.023354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.023354][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.023354][ T10] netlink_unicast+0x449/0x710 [ 2015.023354][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.023354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.023354][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.023354][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.023354][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.023354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.023354][ T10] [ 2015.025016][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2015.025278][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2015.025278][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.025278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.025278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.025278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.025278][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.025278][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.025278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.025278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.025278][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.025278][ T10] netlink_unicast+0x449/0x710 [ 2015.025278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.025278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.025278][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.025278][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.025278][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.025278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.025278][ T10] [ 2015.027250][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2015.027250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.027250][ T10] ipv6_find_idev+0x102/0x170 [ 2015.027250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.027250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.027250][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.027250][ T10] netlink_unicast+0x449/0x710 [ 2015.027250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.027250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.027250][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.027250][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.027250][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.027250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.027250][ T10] [ 2015.028770][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2015.028770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.028770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.028770][ T10] ipv6_find_idev+0x102/0x170 [ 2015.028770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.028770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.028770][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.028770][ T10] netlink_unicast+0x449/0x710 [ 2015.028770][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.028770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.028770][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.028770][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.028770][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.028770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.028770][ T10] [ 2015.030427][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2015.030685][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2015.030685][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.030685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.030685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.030685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.030685][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.030685][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.030685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.030685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.030685][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.030685][ T10] netlink_unicast+0x449/0x710 [ 2015.030685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.030685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.030685][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.030685][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.030685][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.030685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.030685][ T10] [ 2015.032674][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2015.032674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.032674][ T10] ipv6_find_idev+0x102/0x170 [ 2015.032674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.032674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.032674][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.032674][ T10] netlink_unicast+0x449/0x710 [ 2015.032674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.032674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.032674][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.032674][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.032674][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.032674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.032674][ T10] [ 2015.034202][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2015.034202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.034202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.034202][ T10] ipv6_find_idev+0x102/0x170 [ 2015.034202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.034202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.034202][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.034202][ T10] netlink_unicast+0x449/0x710 [ 2015.034202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.034202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.034202][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.034202][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.034202][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.034202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.034202][ T10] [ 2015.036265][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2015.036525][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2015.036525][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.036525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.036525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.036525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.036525][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.036525][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.036525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.036525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.036525][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.036525][ T10] netlink_unicast+0x449/0x710 [ 2015.036525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.036525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.036525][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.036525][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.036525][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.036525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.036525][ T10] [ 2015.038494][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2015.038494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.038494][ T10] ipv6_find_idev+0x102/0x170 [ 2015.038494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.038494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.038494][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.038494][ T10] netlink_unicast+0x449/0x710 [ 2015.038494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.038494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.038494][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.038494][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.038494][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.038494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.038494][ T10] [ 2015.040039][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2015.040039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.040039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.040039][ T10] ipv6_find_idev+0x102/0x170 [ 2015.040039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.040039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.040039][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.040039][ T10] netlink_unicast+0x449/0x710 [ 2015.040039][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.040039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.040039][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.040039][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.040039][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.040039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.040039][ T10] [ 2015.041755][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2015.042071][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2015.042071][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.042071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.042071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.042071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.042071][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.042071][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.042071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.042071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.042071][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.042071][ T10] netlink_unicast+0x449/0x710 [ 2015.042071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.042071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.042071][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.042071][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.042071][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.042071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.042071][ T10] [ 2015.044186][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2015.044186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.044186][ T10] ipv6_find_idev+0x102/0x170 [ 2015.044186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.044186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.044186][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.044186][ T10] netlink_unicast+0x449/0x710 [ 2015.044186][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.044186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.044186][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.044186][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.044186][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.044186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.044186][ T10] [ 2015.045947][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2015.045947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.045947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.045947][ T10] ipv6_find_idev+0x102/0x170 [ 2015.045947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.045947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.045947][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.045947][ T10] netlink_unicast+0x449/0x710 [ 2015.045947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.045947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.045947][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.045947][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.045947][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.045947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.045947][ T10] [ 2015.047829][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2015.048111][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2015.048111][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.048111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.048111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.048111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.048111][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.048111][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.048111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.048111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.048111][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.048111][ T10] netlink_unicast+0x449/0x710 [ 2015.048111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.048111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.048111][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.048111][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.048111][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.048111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.048111][ T10] [ 2015.050324][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2015.050324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.050324][ T10] ipv6_find_idev+0x102/0x170 [ 2015.050324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.050324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.050324][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.050324][ T10] netlink_unicast+0x449/0x710 [ 2015.050324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.050324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.050324][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.050324][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.050324][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.050324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.050324][ T10] [ 2015.052023][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2015.052023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.052023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.052023][ T10] ipv6_find_idev+0x102/0x170 [ 2015.052023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.052023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.052023][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.052023][ T10] netlink_unicast+0x449/0x710 [ 2015.052023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.052023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.052023][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.052023][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.052023][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.052023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.052023][ T10] [ 2015.053912][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2015.054173][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2015.054173][ T10] netdev_get_by_index+0x5e/0x80 [ 2015.054173][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2015.054173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2015.054173][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2015.054173][ T10] ipv6_add_addr+0x411/0x2000 [ 2015.054173][ T10] inet6_addr_add+0x30e/0xa40 [ 2015.054173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.054173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.054173][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.054173][ T10] netlink_unicast+0x449/0x710 [ 2015.054173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.054173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.054173][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.054173][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.054173][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.054173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.054173][ T10] [ 2015.056445][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2015.056445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2015.056445][ T10] ipv6_find_idev+0x102/0x170 [ 2015.056445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.056445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.056445][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.056445][ T10] netlink_unicast+0x449/0x710 [ 2015.056445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.056445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.056445][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.056445][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.056445][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.056445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.056445][ T10] [ 2015.058146][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2015.058146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2015.058146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2015.058146][ T10] ipv6_find_idev+0x102/0x170 [ 2015.058146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.058146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.058146][ T10] netlink_rcv_skb+0x130/0x360 [ 2015.058146][ T10] netlink_unicast+0x449/0x710 [ 2015.058146][ T10] netlink_sendmsg+0x723/0xbe0 [ 2015.058146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2015.058146][ T10] ___sys_sendmsg+0xee/0x170 [ 2015.058146][ T10] __sys_sendmsg+0xcd/0x170 [ 2015.058146][ T10] do_syscall_64+0xc6/0x1e0 [ 2015.058146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.058146][ T10] [ 2025.301955][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2025.302456][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2025.302456][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.302456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.302456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.302456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.302456][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.302456][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.302456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.302456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.302456][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.302456][ T10] netlink_unicast+0x449/0x710 [ 2025.302456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.302456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.302456][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.302456][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.302456][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.302456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.302456][ T10] [ 2025.304416][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2025.304416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.304416][ T10] ipv6_find_idev+0x102/0x170 [ 2025.304416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.304416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.304416][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.304416][ T10] netlink_unicast+0x449/0x710 [ 2025.304416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.304416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.304416][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.304416][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.304416][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.304416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.304416][ T10] [ 2025.305954][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2025.305954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.305954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.305954][ T10] ipv6_find_idev+0x102/0x170 [ 2025.305954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.305954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.305954][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.305954][ T10] netlink_unicast+0x449/0x710 [ 2025.305954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.305954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.305954][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.305954][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.305954][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.305954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.305954][ T10] [ 2025.307637][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2025.307934][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2025.307934][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.307934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.307934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.307934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.307934][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.307934][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.307934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.307934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.307934][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.307934][ T10] netlink_unicast+0x449/0x710 [ 2025.307934][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.307934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.307934][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.307934][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.307934][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.307934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.307934][ T10] [ 2025.309927][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2025.309927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.309927][ T10] ipv6_find_idev+0x102/0x170 [ 2025.309927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.309927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.309927][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.309927][ T10] netlink_unicast+0x449/0x710 [ 2025.309927][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.309927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.309927][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.309927][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.309927][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.309927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.309927][ T10] [ 2025.311419][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2025.311419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.311419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.311419][ T10] ipv6_find_idev+0x102/0x170 [ 2025.311419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.311419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.311419][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.311419][ T10] netlink_unicast+0x449/0x710 [ 2025.311419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.311419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.311419][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.311419][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.311419][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.311419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.311419][ T10] [ 2025.313052][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2025.313312][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2025.313312][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.313312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.313312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.313312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.313312][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.313312][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.313312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.313312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.313312][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.313312][ T10] netlink_unicast+0x449/0x710 [ 2025.313312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.313312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.313312][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.313312][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.313312][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.313312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.313312][ T10] [ 2025.315245][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2025.315245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.315245][ T10] ipv6_find_idev+0x102/0x170 [ 2025.315245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.315245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.315245][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.315245][ T10] netlink_unicast+0x449/0x710 [ 2025.315245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.315245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.315245][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.315245][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.315245][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.315245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.315245][ T10] [ 2025.316736][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2025.316736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.316736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.316736][ T10] ipv6_find_idev+0x102/0x170 [ 2025.316736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.316736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.316736][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.316736][ T10] netlink_unicast+0x449/0x710 [ 2025.316736][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.316736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.316736][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.316736][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.316736][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.316736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.316736][ T10] [ 2025.318426][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2025.318686][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2025.318686][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.318686][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.318686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.318686][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.318686][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.318686][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.318686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.318686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.318686][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.318686][ T10] netlink_unicast+0x449/0x710 [ 2025.318686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.318686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.318686][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.318686][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.318686][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.318686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.318686][ T10] [ 2025.320667][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2025.320667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.320667][ T10] ipv6_find_idev+0x102/0x170 [ 2025.320667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.320667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.320667][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.320667][ T10] netlink_unicast+0x449/0x710 [ 2025.320667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.320667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.320667][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.320667][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.320667][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.320667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.320667][ T10] [ 2025.322238][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2025.322238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.322238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.322238][ T10] ipv6_find_idev+0x102/0x170 [ 2025.322238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.322238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.322238][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.322238][ T10] netlink_unicast+0x449/0x710 [ 2025.322238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.322238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.322238][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.322238][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.322238][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.322238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.322238][ T10] [ 2025.324296][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2025.324555][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2025.324555][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.324555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.324555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.324555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.324555][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.324555][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.324555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.324555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.324555][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.324555][ T10] netlink_unicast+0x449/0x710 [ 2025.324555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.324555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.324555][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.324555][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.324555][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.324555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.324555][ T10] [ 2025.326534][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2025.326534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.326534][ T10] ipv6_find_idev+0x102/0x170 [ 2025.326534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.326534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.326534][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.326534][ T10] netlink_unicast+0x449/0x710 [ 2025.326534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.326534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.326534][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.326534][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.326534][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.326534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.326534][ T10] [ 2025.328052][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2025.328052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.328052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.328052][ T10] ipv6_find_idev+0x102/0x170 [ 2025.328052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.328052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.328052][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.328052][ T10] netlink_unicast+0x449/0x710 [ 2025.328052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.328052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.328052][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.328052][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.328052][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.328052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.328052][ T10] [ 2025.329813][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2025.330091][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2025.330091][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.330091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.330091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.330091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.330091][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.330091][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.330091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.330091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.330091][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.330091][ T10] netlink_unicast+0x449/0x710 [ 2025.330091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.330091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.330091][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.330091][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.330091][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.330091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.330091][ T10] [ 2025.332251][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2025.332251][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.332251][ T10] ipv6_find_idev+0x102/0x170 [ 2025.332251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.332251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.332251][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.332251][ T10] netlink_unicast+0x449/0x710 [ 2025.332251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.332251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.332251][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.332251][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.332251][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.332251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.332251][ T10] [ 2025.334009][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2025.334009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.334009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.334009][ T10] ipv6_find_idev+0x102/0x170 [ 2025.334009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.334009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.334009][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.334009][ T10] netlink_unicast+0x449/0x710 [ 2025.334009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.334009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.334009][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.334009][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.334009][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.334009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.334009][ T10] [ 2025.335913][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2025.336176][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2025.336176][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.336176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.336176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.336176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.336176][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.336176][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.336176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.336176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.336176][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.336176][ T10] netlink_unicast+0x449/0x710 [ 2025.336176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.336176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.336176][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.336176][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.336176][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.336176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.336176][ T10] [ 2025.338389][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2025.338389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.338389][ T10] ipv6_find_idev+0x102/0x170 [ 2025.338389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.338389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.338389][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.338389][ T10] netlink_unicast+0x449/0x710 [ 2025.338389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.338389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.338389][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.338389][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.338389][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.338389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.338389][ T10] [ 2025.340090][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2025.340090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.340090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.340090][ T10] ipv6_find_idev+0x102/0x170 [ 2025.340090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.340090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.340090][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.340090][ T10] netlink_unicast+0x449/0x710 [ 2025.340090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.340090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.340090][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.340090][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.340090][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.340090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.340090][ T10] [ 2025.341971][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2025.342242][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2025.342242][ T10] netdev_get_by_index+0x5e/0x80 [ 2025.342242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2025.342242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2025.342242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2025.342242][ T10] ipv6_add_addr+0x411/0x2000 [ 2025.342242][ T10] inet6_addr_add+0x30e/0xa40 [ 2025.342242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.342242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.342242][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.342242][ T10] netlink_unicast+0x449/0x710 [ 2025.342242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.342242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.342242][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.342242][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.342242][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.342242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.342242][ T10] [ 2025.344460][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2025.344460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2025.344460][ T10] ipv6_find_idev+0x102/0x170 [ 2025.344460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.344460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.344460][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.344460][ T10] netlink_unicast+0x449/0x710 [ 2025.344460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.344460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.344460][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.344460][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.344460][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.344460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.344460][ T10] [ 2025.346165][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2025.346165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2025.346165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2025.346165][ T10] ipv6_find_idev+0x102/0x170 [ 2025.346165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.346165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.346165][ T10] netlink_rcv_skb+0x130/0x360 [ 2025.346165][ T10] netlink_unicast+0x449/0x710 [ 2025.346165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2025.346165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2025.346165][ T10] ___sys_sendmsg+0xee/0x170 [ 2025.346165][ T10] __sys_sendmsg+0xcd/0x170 [ 2025.346165][ T10] do_syscall_64+0xc6/0x1e0 [ 2025.346165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.346165][ T10] [ 2035.525961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2035.526479][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2035.526479][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.526479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.526479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.526479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.526479][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.526479][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.526479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.526479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.526479][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.526479][ T10] netlink_unicast+0x449/0x710 [ 2035.526479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.526479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.526479][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.526479][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.526479][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.526479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.526479][ T10] [ 2035.528491][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2035.528491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.528491][ T10] ipv6_find_idev+0x102/0x170 [ 2035.528491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.528491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.528491][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.528491][ T10] netlink_unicast+0x449/0x710 [ 2035.528491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.528491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.528491][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.528491][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.528491][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.528491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.528491][ T10] [ 2035.530064][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2035.530064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.530064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.530064][ T10] ipv6_find_idev+0x102/0x170 [ 2035.530064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.530064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.530064][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.530064][ T10] netlink_unicast+0x449/0x710 [ 2035.530064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.530064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.530064][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.530064][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.530064][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.530064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.530064][ T10] [ 2035.531730][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2035.532008][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2035.532008][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.532008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.532008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.532008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.532008][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.532008][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.532008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.532008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.532008][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.532008][ T10] netlink_unicast+0x449/0x710 [ 2035.532008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.532008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.532008][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.532008][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.532008][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.532008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.532008][ T10] [ 2035.534007][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2035.534007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.534007][ T10] ipv6_find_idev+0x102/0x170 [ 2035.534007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.534007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.534007][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.534007][ T10] netlink_unicast+0x449/0x710 [ 2035.534007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.534007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.534007][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.534007][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.534007][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.534007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.534007][ T10] [ 2035.535509][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2035.535509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.535509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.535509][ T10] ipv6_find_idev+0x102/0x170 [ 2035.535509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.535509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.535509][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.535509][ T10] netlink_unicast+0x449/0x710 [ 2035.535509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.535509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.535509][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.535509][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.535509][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.535509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.535509][ T10] [ 2035.537142][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2035.537402][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2035.537402][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.537402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.537402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.537402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.537402][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.537402][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.537402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.537402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.537402][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.537402][ T10] netlink_unicast+0x449/0x710 [ 2035.537402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.537402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.537402][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.537402][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.537402][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.537402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.537402][ T10] [ 2035.539348][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2035.539348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.539348][ T10] ipv6_find_idev+0x102/0x170 [ 2035.539348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.539348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.539348][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.539348][ T10] netlink_unicast+0x449/0x710 [ 2035.539348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.539348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.539348][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.539348][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.539348][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.539348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.539348][ T10] [ 2035.540885][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2035.540885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.540885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.540885][ T10] ipv6_find_idev+0x102/0x170 [ 2035.540885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.540885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.540885][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.540885][ T10] netlink_unicast+0x449/0x710 [ 2035.540885][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.540885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.540885][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.540885][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.540885][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.540885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.540885][ T10] [ 2035.542546][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2035.542815][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2035.542815][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.542815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.542815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.542815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.542815][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.542815][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.542815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.542815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.542815][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.542815][ T10] netlink_unicast+0x449/0x710 [ 2035.542815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.542815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.542815][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.542815][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.542815][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.542815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.542815][ T10] [ 2035.544899][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2035.544899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.544899][ T10] ipv6_find_idev+0x102/0x170 [ 2035.544899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.544899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.544899][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.544899][ T10] netlink_unicast+0x449/0x710 [ 2035.544899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.544899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.544899][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.544899][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.544899][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.544899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.544899][ T10] [ 2035.546425][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2035.546425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.546425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.546425][ T10] ipv6_find_idev+0x102/0x170 [ 2035.546425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.546425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.546425][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.546425][ T10] netlink_unicast+0x449/0x710 [ 2035.546425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.546425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.546425][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.546425][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.546425][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.546425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.546425][ T10] [ 2035.548483][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2035.548742][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2035.548742][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.548742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.548742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.548742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.548742][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.548742][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.548742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.548742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.548742][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.548742][ T10] netlink_unicast+0x449/0x710 [ 2035.548742][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.548742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.548742][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.548742][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.548742][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.548742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.548742][ T10] [ 2035.550708][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2035.550708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.550708][ T10] ipv6_find_idev+0x102/0x170 [ 2035.550708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.550708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.550708][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.550708][ T10] netlink_unicast+0x449/0x710 [ 2035.550708][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.550708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.550708][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.550708][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.550708][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.550708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.550708][ T10] [ 2035.552233][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2035.552233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.552233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.552233][ T10] ipv6_find_idev+0x102/0x170 [ 2035.552233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.552233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.552233][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.552233][ T10] netlink_unicast+0x449/0x710 [ 2035.552233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.552233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.552233][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.552233][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.552233][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.552233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.552233][ T10] [ 2035.553930][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2035.554189][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2035.554189][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.554189][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.554189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.554189][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.554189][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.554189][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.554189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.554189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.554189][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.554189][ T10] netlink_unicast+0x449/0x710 [ 2035.554189][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.554189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.554189][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.554189][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.554189][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.554189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.554189][ T10] [ 2035.556354][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2035.556354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.556354][ T10] ipv6_find_idev+0x102/0x170 [ 2035.556354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.556354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.556354][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.556354][ T10] netlink_unicast+0x449/0x710 [ 2035.556354][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.556354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.556354][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.556354][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.556354][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.556354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.556354][ T10] [ 2035.558118][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2035.558118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.558118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.558118][ T10] ipv6_find_idev+0x102/0x170 [ 2035.558118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.558118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.558118][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.558118][ T10] netlink_unicast+0x449/0x710 [ 2035.558118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.558118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.558118][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.558118][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.558118][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.558118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.558118][ T10] [ 2035.559995][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2035.560259][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2035.560259][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.560259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.560259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.560259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.560259][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.560259][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.560259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.560259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.560259][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.560259][ T10] netlink_unicast+0x449/0x710 [ 2035.560259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.560259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.560259][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.560259][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.560259][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.560259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.560259][ T10] [ 2035.563007][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2035.563007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.563007][ T10] ipv6_find_idev+0x102/0x170 [ 2035.563007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.563007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.563007][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.563007][ T10] netlink_unicast+0x449/0x710 [ 2035.563007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.563007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.563007][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.563007][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.563007][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.563007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.563007][ T10] [ 2035.564701][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2035.564701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.564701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.564701][ T10] ipv6_find_idev+0x102/0x170 [ 2035.564701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.564701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.564701][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.564701][ T10] netlink_unicast+0x449/0x710 [ 2035.564701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.564701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.564701][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.564701][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.564701][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.564701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.564701][ T10] [ 2035.566564][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2035.566880][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2035.566880][ T10] netdev_get_by_index+0x5e/0x80 [ 2035.566880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2035.566880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2035.566880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2035.566880][ T10] ipv6_add_addr+0x411/0x2000 [ 2035.566880][ T10] inet6_addr_add+0x30e/0xa40 [ 2035.566880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.566880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.566880][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.566880][ T10] netlink_unicast+0x449/0x710 [ 2035.566880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.566880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.566880][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.566880][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.566880][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.566880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.566880][ T10] [ 2035.569092][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2035.569092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2035.569092][ T10] ipv6_find_idev+0x102/0x170 [ 2035.569092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.569092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.569092][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.569092][ T10] netlink_unicast+0x449/0x710 [ 2035.569092][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.569092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.569092][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.569092][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.569092][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.569092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.569092][ T10] [ 2035.570788][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2035.570788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2035.570788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2035.570788][ T10] ipv6_find_idev+0x102/0x170 [ 2035.570788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.570788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.570788][ T10] netlink_rcv_skb+0x130/0x360 [ 2035.570788][ T10] netlink_unicast+0x449/0x710 [ 2035.570788][ T10] netlink_sendmsg+0x723/0xbe0 [ 2035.570788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2035.570788][ T10] ___sys_sendmsg+0xee/0x170 [ 2035.570788][ T10] __sys_sendmsg+0xcd/0x170 [ 2035.570788][ T10] do_syscall_64+0xc6/0x1e0 [ 2035.570788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.570788][ T10] [ 2045.701980][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2045.702520][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2045.702520][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.702520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.702520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.702520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.702520][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.702520][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.702520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.702520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.702520][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.702520][ T10] netlink_unicast+0x449/0x710 [ 2045.702520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.702520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.702520][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.702520][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.702520][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.702520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.702520][ T10] [ 2045.704641][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2045.704641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.704641][ T10] ipv6_find_idev+0x102/0x170 [ 2045.704641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.704641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.704641][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.704641][ T10] netlink_unicast+0x449/0x710 [ 2045.704641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.704641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.704641][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.704641][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.704641][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.704641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.704641][ T10] [ 2045.706162][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2045.706162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.706162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.706162][ T10] ipv6_find_idev+0x102/0x170 [ 2045.706162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.706162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.706162][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.706162][ T10] netlink_unicast+0x449/0x710 [ 2045.706162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.706162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.706162][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.706162][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.706162][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.706162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.706162][ T10] [ 2045.707845][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2045.708128][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2045.708128][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.708128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.708128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.708128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.708128][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.708128][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.708128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.708128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.708128][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.708128][ T10] netlink_unicast+0x449/0x710 [ 2045.708128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.708128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.708128][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.708128][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.708128][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.708128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.708128][ T10] [ 2045.710474][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2045.710474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.710474][ T10] ipv6_find_idev+0x102/0x170 [ 2045.710474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.710474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.710474][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.710474][ T10] netlink_unicast+0x449/0x710 [ 2045.710474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.710474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.710474][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.710474][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.710474][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.710474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.710474][ T10] [ 2045.712027][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2045.712027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.712027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.712027][ T10] ipv6_find_idev+0x102/0x170 [ 2045.712027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.712027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.712027][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.712027][ T10] netlink_unicast+0x449/0x710 [ 2045.712027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.712027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.712027][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.712027][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.712027][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.712027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.712027][ T10] [ 2045.713714][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2045.713985][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2045.713985][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.713985][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.713985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.713985][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.713985][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.713985][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.713985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.713985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.713985][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.713985][ T10] netlink_unicast+0x449/0x710 [ 2045.713985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.713985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.713985][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.713985][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.713985][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.713985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.713985][ T10] [ 2045.715948][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2045.715948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.715948][ T10] ipv6_find_idev+0x102/0x170 [ 2045.715948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.715948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.715948][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.715948][ T10] netlink_unicast+0x449/0x710 [ 2045.715948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.715948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.715948][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.715948][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.715948][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.715948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.715948][ T10] [ 2045.717489][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2045.717489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.717489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.717489][ T10] ipv6_find_idev+0x102/0x170 [ 2045.717489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.717489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.717489][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.717489][ T10] netlink_unicast+0x449/0x710 [ 2045.717489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.717489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.717489][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.717489][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.717489][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.717489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.717489][ T10] [ 2045.719114][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2045.719389][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2045.719389][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.719389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.719389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.719389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.719389][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.719389][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.719389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.719389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.719389][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.719389][ T10] netlink_unicast+0x449/0x710 [ 2045.719389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.719389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.719389][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.719389][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.719389][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.719389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.719389][ T10] [ 2045.721379][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2045.721379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.721379][ T10] ipv6_find_idev+0x102/0x170 [ 2045.721379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.721379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.721379][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.721379][ T10] netlink_unicast+0x449/0x710 [ 2045.721379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.721379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.721379][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.721379][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.721379][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.721379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.721379][ T10] [ 2045.722906][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2045.722906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.722906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.722906][ T10] ipv6_find_idev+0x102/0x170 [ 2045.722906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.722906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.722906][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.722906][ T10] netlink_unicast+0x449/0x710 [ 2045.722906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.722906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.722906][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.722906][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.722906][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.722906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.722906][ T10] [ 2045.724994][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2045.725264][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2045.725264][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.725264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.725264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.725264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.725264][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.725264][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.725264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.725264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.725264][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.725264][ T10] netlink_unicast+0x449/0x710 [ 2045.725264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.725264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.725264][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.725264][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.725264][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.725264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.725264][ T10] [ 2045.727234][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2045.727234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.727234][ T10] ipv6_find_idev+0x102/0x170 [ 2045.727234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.727234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.727234][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.727234][ T10] netlink_unicast+0x449/0x710 [ 2045.727234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.727234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.727234][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.727234][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.727234][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.727234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.727234][ T10] [ 2045.728774][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2045.728774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.728774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.728774][ T10] ipv6_find_idev+0x102/0x170 [ 2045.728774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.728774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.728774][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.728774][ T10] netlink_unicast+0x449/0x710 [ 2045.728774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.728774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.728774][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.728774][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.728774][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.728774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.728774][ T10] [ 2045.730470][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2045.730730][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2045.730730][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.730730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.730730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.730730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.730730][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.730730][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.730730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.730730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.730730][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.730730][ T10] netlink_unicast+0x449/0x710 [ 2045.730730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.730730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.730730][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.730730][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.730730][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.730730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.730730][ T10] [ 2045.732897][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2045.732897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.732897][ T10] ipv6_find_idev+0x102/0x170 [ 2045.732897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.732897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.732897][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.732897][ T10] netlink_unicast+0x449/0x710 [ 2045.732897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.732897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.732897][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.732897][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.732897][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.732897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.732897][ T10] [ 2045.734677][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2045.734677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.734677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.734677][ T10] ipv6_find_idev+0x102/0x170 [ 2045.734677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.734677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.734677][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.734677][ T10] netlink_unicast+0x449/0x710 [ 2045.734677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.734677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.734677][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.734677][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.734677][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.734677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.734677][ T10] [ 2045.736573][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2045.736900][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2045.736900][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.736900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.736900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.736900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.736900][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.736900][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.736900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.736900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.736900][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.736900][ T10] netlink_unicast+0x449/0x710 [ 2045.736900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.736900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.736900][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.736900][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.736900][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.736900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.736900][ T10] [ 2045.739032][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2045.739032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.739032][ T10] ipv6_find_idev+0x102/0x170 [ 2045.739032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.739032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.739032][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.739032][ T10] netlink_unicast+0x449/0x710 [ 2045.739032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.739032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.739032][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.739032][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.739032][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.739032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.739032][ T10] [ 2045.740716][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2045.740716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.740716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.740716][ T10] ipv6_find_idev+0x102/0x170 [ 2045.740716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.740716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.740716][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.740716][ T10] netlink_unicast+0x449/0x710 [ 2045.740716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.740716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.740716][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.740716][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.740716][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.740716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.740716][ T10] [ 2045.742626][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2045.742941][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2045.742941][ T10] netdev_get_by_index+0x5e/0x80 [ 2045.742941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2045.742941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2045.742941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2045.742941][ T10] ipv6_add_addr+0x411/0x2000 [ 2045.742941][ T10] inet6_addr_add+0x30e/0xa40 [ 2045.742941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.742941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.742941][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.742941][ T10] netlink_unicast+0x449/0x710 [ 2045.742941][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.742941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.742941][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.742941][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.742941][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.742941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.742941][ T10] [ 2045.745147][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2045.745147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2045.745147][ T10] ipv6_find_idev+0x102/0x170 [ 2045.745147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.745147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.745147][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.745147][ T10] netlink_unicast+0x449/0x710 [ 2045.745147][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.745147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.745147][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.745147][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.745147][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.745147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.745147][ T10] [ 2045.746830][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2045.746830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2045.746830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2045.746830][ T10] ipv6_find_idev+0x102/0x170 [ 2045.746830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.746830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.746830][ T10] netlink_rcv_skb+0x130/0x360 [ 2045.746830][ T10] netlink_unicast+0x449/0x710 [ 2045.746830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2045.746830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2045.746830][ T10] ___sys_sendmsg+0xee/0x170 [ 2045.746830][ T10] __sys_sendmsg+0xcd/0x170 [ 2045.746830][ T10] do_syscall_64+0xc6/0x1e0 [ 2045.746830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.746830][ T10] [ 2055.933903][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2055.934381][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2055.934381][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.934381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.934381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.934381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.934381][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.934381][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.934381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.934381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.934381][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.934381][ T10] netlink_unicast+0x449/0x710 [ 2055.934381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.934381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.934381][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.934381][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.934381][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.934381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.934381][ T10] [ 2055.936372][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2055.936372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.936372][ T10] ipv6_find_idev+0x102/0x170 [ 2055.936372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.936372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.936372][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.936372][ T10] netlink_unicast+0x449/0x710 [ 2055.936372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.936372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.936372][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.936372][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.936372][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.936372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.936372][ T10] [ 2055.937959][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2055.937959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.937959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.937959][ T10] ipv6_find_idev+0x102/0x170 [ 2055.937959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.937959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.937959][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.937959][ T10] netlink_unicast+0x449/0x710 [ 2055.937959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.937959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.937959][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.937959][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.937959][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.937959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.937959][ T10] [ 2055.939671][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2055.939963][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2055.939963][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.939963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.939963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.939963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.939963][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.939963][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.939963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.939963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.939963][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.939963][ T10] netlink_unicast+0x449/0x710 [ 2055.939963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.939963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.939963][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.939963][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.939963][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.939963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.939963][ T10] [ 2055.941922][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2055.941922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.941922][ T10] ipv6_find_idev+0x102/0x170 [ 2055.941922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.941922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.941922][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.941922][ T10] netlink_unicast+0x449/0x710 [ 2055.941922][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.941922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.941922][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.941922][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.941922][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.941922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.941922][ T10] [ 2055.943836][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2055.943836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.943836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.943836][ T10] ipv6_find_idev+0x102/0x170 [ 2055.943836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.943836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.943836][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.943836][ T10] netlink_unicast+0x449/0x710 [ 2055.943836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.943836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.943836][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.943836][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.943836][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.943836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.943836][ T10] [ 2055.945544][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2055.945833][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2055.945833][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.945833][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.945833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.945833][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.945833][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.945833][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.945833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.945833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.945833][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.945833][ T10] netlink_unicast+0x449/0x710 [ 2055.945833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.945833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.945833][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.945833][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.945833][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.945833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.945833][ T10] [ 2055.947827][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2055.947827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.947827][ T10] ipv6_find_idev+0x102/0x170 [ 2055.947827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.947827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.947827][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.947827][ T10] netlink_unicast+0x449/0x710 [ 2055.947827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.947827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.947827][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.947827][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.947827][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.947827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.947827][ T10] [ 2055.949307][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2055.949307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.949307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.949307][ T10] ipv6_find_idev+0x102/0x170 [ 2055.949307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.949307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.949307][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.949307][ T10] netlink_unicast+0x449/0x710 [ 2055.949307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.949307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.949307][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.949307][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.949307][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.949307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.949307][ T10] [ 2055.950968][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2055.951227][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2055.951227][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.951227][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.951227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.951227][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.951227][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.951227][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.951227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.951227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.951227][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.951227][ T10] netlink_unicast+0x449/0x710 [ 2055.951227][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.951227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.951227][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.951227][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.951227][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.951227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.951227][ T10] [ 2055.953236][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2055.953236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.953236][ T10] ipv6_find_idev+0x102/0x170 [ 2055.953236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.953236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.953236][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.953236][ T10] netlink_unicast+0x449/0x710 [ 2055.953236][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.953236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.953236][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.953236][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.953236][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.953236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.953236][ T10] [ 2055.954778][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2055.954778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.954778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.954778][ T10] ipv6_find_idev+0x102/0x170 [ 2055.954778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.954778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.954778][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.954778][ T10] netlink_unicast+0x449/0x710 [ 2055.954778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.954778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.954778][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.954778][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.954778][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.954778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.954778][ T10] [ 2055.956856][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2055.957116][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2055.957116][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.957116][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.957116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.957116][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.957116][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.957116][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.957116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.957116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.957116][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.957116][ T10] netlink_unicast+0x449/0x710 [ 2055.957116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.957116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.957116][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.957116][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.957116][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.957116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.957116][ T10] [ 2055.959113][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2055.959113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.959113][ T10] ipv6_find_idev+0x102/0x170 [ 2055.959113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.959113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.959113][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.959113][ T10] netlink_unicast+0x449/0x710 [ 2055.959113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.959113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.959113][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.959113][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.959113][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.959113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.959113][ T10] [ 2055.960656][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2055.960656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.960656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.960656][ T10] ipv6_find_idev+0x102/0x170 [ 2055.960656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.960656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.960656][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.960656][ T10] netlink_unicast+0x449/0x710 [ 2055.960656][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.960656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.960656][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.960656][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.960656][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.960656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.960656][ T10] [ 2055.962386][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2055.962645][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2055.962645][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.962645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.962645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.962645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.962645][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.962645][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.962645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.962645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.962645][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.962645][ T10] netlink_unicast+0x449/0x710 [ 2055.962645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.962645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.962645][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.962645][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.962645][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.962645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.962645][ T10] [ 2055.964809][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2055.964809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.964809][ T10] ipv6_find_idev+0x102/0x170 [ 2055.964809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.964809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.964809][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.964809][ T10] netlink_unicast+0x449/0x710 [ 2055.964809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.964809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.964809][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.964809][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.964809][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.964809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.964809][ T10] [ 2055.966571][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2055.966571][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.966571][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.966571][ T10] ipv6_find_idev+0x102/0x170 [ 2055.966571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.966571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.966571][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.966571][ T10] netlink_unicast+0x449/0x710 [ 2055.966571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.966571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.966571][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.966571][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.966571][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.966571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.966571][ T10] [ 2055.968475][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2055.968743][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2055.968743][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.968743][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.968743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.968743][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.968743][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.968743][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.968743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.968743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.968743][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.968743][ T10] netlink_unicast+0x449/0x710 [ 2055.968743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.968743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.968743][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.968743][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.968743][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.968743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.968743][ T10] [ 2055.970961][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2055.970961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.970961][ T10] ipv6_find_idev+0x102/0x170 [ 2055.970961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.970961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.970961][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.970961][ T10] netlink_unicast+0x449/0x710 [ 2055.970961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.970961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.970961][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.970961][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.970961][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.970961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.970961][ T10] [ 2055.972695][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2055.972695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.972695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.972695][ T10] ipv6_find_idev+0x102/0x170 [ 2055.972695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.972695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.972695][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.972695][ T10] netlink_unicast+0x449/0x710 [ 2055.972695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.972695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.972695][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.972695][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.972695][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.972695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.972695][ T10] [ 2055.974569][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2055.974880][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2055.974880][ T10] netdev_get_by_index+0x5e/0x80 [ 2055.974880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2055.974880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2055.974880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2055.974880][ T10] ipv6_add_addr+0x411/0x2000 [ 2055.974880][ T10] inet6_addr_add+0x30e/0xa40 [ 2055.974880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2055.974880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.974880][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.974880][ T10] netlink_unicast+0x449/0x710 [ 2055.974880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.974880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.974880][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.974880][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.974880][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.974880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.974880][ T10] [ 2055.977116][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2055.977116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2055.977116][ T10] ipv6_find_idev+0x102/0x170 [ 2055.977116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.977116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.977116][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.977116][ T10] netlink_unicast+0x449/0x710 [ 2055.977116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.977116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.977116][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.977116][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.977116][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.977116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.977116][ T10] [ 2055.978815][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2055.978815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2055.978815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2055.978815][ T10] ipv6_find_idev+0x102/0x170 [ 2055.978815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2055.978815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2055.978815][ T10] netlink_rcv_skb+0x130/0x360 [ 2055.978815][ T10] netlink_unicast+0x449/0x710 [ 2055.978815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2055.978815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2055.978815][ T10] ___sys_sendmsg+0xee/0x170 [ 2055.978815][ T10] __sys_sendmsg+0xcd/0x170 [ 2055.978815][ T10] do_syscall_64+0xc6/0x1e0 [ 2055.978815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2055.978815][ T10] [ 2066.229979][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2066.231115][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2066.231115][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.231115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.231115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.231115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.231115][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.231115][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.231115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.231115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.231115][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.231115][ T10] netlink_unicast+0x449/0x710 [ 2066.231115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.231115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.231115][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.231115][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.231115][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.231115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.231115][ T10] [ 2066.233142][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2066.233142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.233142][ T10] ipv6_find_idev+0x102/0x170 [ 2066.233142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.233142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.233142][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.233142][ T10] netlink_unicast+0x449/0x710 [ 2066.233142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.233142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.233142][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.233142][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.233142][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.233142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.233142][ T10] [ 2066.234652][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2066.234652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.234652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.234652][ T10] ipv6_find_idev+0x102/0x170 [ 2066.234652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.234652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.234652][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.234652][ T10] netlink_unicast+0x449/0x710 [ 2066.234652][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.234652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.234652][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.234652][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.234652][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.234652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.234652][ T10] [ 2066.236333][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2066.236627][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2066.236627][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.236627][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.236627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.236627][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.236627][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.236627][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.236627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.236627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.236627][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.236627][ T10] netlink_unicast+0x449/0x710 [ 2066.236627][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.236627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.236627][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.236627][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.236627][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.236627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.236627][ T10] [ 2066.238652][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2066.238652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.238652][ T10] ipv6_find_idev+0x102/0x170 [ 2066.238652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.238652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.238652][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.238652][ T10] netlink_unicast+0x449/0x710 [ 2066.238652][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.238652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.238652][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.238652][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.238652][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.238652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.238652][ T10] [ 2066.240201][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2066.240201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.240201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.240201][ T10] ipv6_find_idev+0x102/0x170 [ 2066.240201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.240201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.240201][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.240201][ T10] netlink_unicast+0x449/0x710 [ 2066.240201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.240201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.240201][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.240201][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.240201][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.240201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.240201][ T10] [ 2066.241897][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2066.242168][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2066.242168][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.242168][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.242168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.242168][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.242168][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.242168][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.242168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.242168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.242168][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.242168][ T10] netlink_unicast+0x449/0x710 [ 2066.242168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.242168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.242168][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.242168][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.242168][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.242168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.242168][ T10] [ 2066.244161][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2066.244161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.244161][ T10] ipv6_find_idev+0x102/0x170 [ 2066.244161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.244161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.244161][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.244161][ T10] netlink_unicast+0x449/0x710 [ 2066.244161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.244161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.244161][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.244161][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.244161][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.244161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.244161][ T10] [ 2066.245694][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2066.245694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.245694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.245694][ T10] ipv6_find_idev+0x102/0x170 [ 2066.245694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.245694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.245694][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.245694][ T10] netlink_unicast+0x449/0x710 [ 2066.245694][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.245694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.245694][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.245694][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.245694][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.245694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.245694][ T10] [ 2066.247407][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2066.247675][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2066.247675][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.247675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.247675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.247675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.247675][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.247675][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.247675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.247675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.247675][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.247675][ T10] netlink_unicast+0x449/0x710 [ 2066.247675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.247675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.247675][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.247675][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.247675][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.247675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.247675][ T10] [ 2066.249635][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2066.249635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.249635][ T10] ipv6_find_idev+0x102/0x170 [ 2066.249635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.249635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.249635][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.249635][ T10] netlink_unicast+0x449/0x710 [ 2066.249635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.249635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.249635][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.249635][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.249635][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.249635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.249635][ T10] [ 2066.251133][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2066.251133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.251133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.251133][ T10] ipv6_find_idev+0x102/0x170 [ 2066.251133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.251133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.251133][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.251133][ T10] netlink_unicast+0x449/0x710 [ 2066.251133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.251133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.251133][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.251133][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.251133][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.251133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.251133][ T10] [ 2066.252805][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2066.253071][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2066.253071][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.253071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.253071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.253071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.253071][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.253071][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.253071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.253071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.253071][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.253071][ T10] netlink_unicast+0x449/0x710 [ 2066.253071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.253071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.253071][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.253071][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.253071][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.253071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.253071][ T10] [ 2066.255068][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2066.255068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.255068][ T10] ipv6_find_idev+0x102/0x170 [ 2066.255068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.255068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.255068][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.255068][ T10] netlink_unicast+0x449/0x710 [ 2066.255068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.255068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.255068][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.255068][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.255068][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.255068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.255068][ T10] [ 2066.256632][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2066.256632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.256632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.256632][ T10] ipv6_find_idev+0x102/0x170 [ 2066.256632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.256632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.256632][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.256632][ T10] netlink_unicast+0x449/0x710 [ 2066.256632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.256632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.256632][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.256632][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.256632][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.256632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.256632][ T10] [ 2066.259027][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2066.259719][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2066.259719][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.259719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.259719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.259719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.259719][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.259719][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.259719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.259719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.259719][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.259719][ T10] netlink_unicast+0x449/0x710 [ 2066.259719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.259719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.259719][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.259719][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.259719][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.259719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.259719][ T10] [ 2066.261699][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2066.261699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.261699][ T10] ipv6_find_idev+0x102/0x170 [ 2066.261699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.261699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.261699][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.261699][ T10] netlink_unicast+0x449/0x710 [ 2066.261699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.261699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.261699][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.261699][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.261699][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.261699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.261699][ T10] [ 2066.263259][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2066.263259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.263259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.263259][ T10] ipv6_find_idev+0x102/0x170 [ 2066.263259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.263259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.263259][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.263259][ T10] netlink_unicast+0x449/0x710 [ 2066.263259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.263259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.263259][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.263259][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.263259][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.263259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.263259][ T10] [ 2066.264984][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2066.265300][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2066.265300][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.265300][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.265300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.265300][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.265300][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.265300][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.265300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.265300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.265300][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.265300][ T10] netlink_unicast+0x449/0x710 [ 2066.265300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.265300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.265300][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.265300][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.265300][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.265300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.265300][ T10] [ 2066.267378][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2066.267378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.267378][ T10] ipv6_find_idev+0x102/0x170 [ 2066.267378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.267378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.267378][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.267378][ T10] netlink_unicast+0x449/0x710 [ 2066.267378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.267378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.267378][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.267378][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.267378][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.267378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.267378][ T10] [ 2066.269110][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2066.269110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.269110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.269110][ T10] ipv6_find_idev+0x102/0x170 [ 2066.269110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.269110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.269110][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.269110][ T10] netlink_unicast+0x449/0x710 [ 2066.269110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.269110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.269110][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.269110][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.269110][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.269110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.269110][ T10] [ 2066.271072][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2066.271401][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2066.271401][ T10] netdev_get_by_index+0x5e/0x80 [ 2066.271401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2066.271401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2066.271401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2066.271401][ T10] ipv6_add_addr+0x411/0x2000 [ 2066.271401][ T10] inet6_addr_add+0x30e/0xa40 [ 2066.271401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.271401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.271401][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.271401][ T10] netlink_unicast+0x449/0x710 [ 2066.271401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.271401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.271401][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.271401][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.271401][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.271401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.271401][ T10] [ 2066.273595][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2066.273595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2066.273595][ T10] ipv6_find_idev+0x102/0x170 [ 2066.273595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.273595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.273595][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.273595][ T10] netlink_unicast+0x449/0x710 [ 2066.273595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.273595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.273595][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.273595][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.273595][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.273595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.273595][ T10] [ 2066.275305][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2066.275305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2066.275305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2066.275305][ T10] ipv6_find_idev+0x102/0x170 [ 2066.275305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.275305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.275305][ T10] netlink_rcv_skb+0x130/0x360 [ 2066.275305][ T10] netlink_unicast+0x449/0x710 [ 2066.275305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2066.275305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2066.275305][ T10] ___sys_sendmsg+0xee/0x170 [ 2066.275305][ T10] __sys_sendmsg+0xcd/0x170 [ 2066.275305][ T10] do_syscall_64+0xc6/0x1e0 [ 2066.275305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.275305][ T10] [ 2076.285922][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2076.286410][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2076.286410][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.286410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.286410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.286410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.286410][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.286410][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.286410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.286410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.286410][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.286410][ T10] netlink_unicast+0x449/0x710 [ 2076.286410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.286410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.286410][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.286410][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.286410][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.286410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.286410][ T10] [ 2076.288358][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2076.288358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.288358][ T10] ipv6_find_idev+0x102/0x170 [ 2076.288358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.288358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.288358][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.288358][ T10] netlink_unicast+0x449/0x710 [ 2076.288358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.288358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.288358][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.288358][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.288358][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.288358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.288358][ T10] [ 2076.289896][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2076.289896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.289896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.289896][ T10] ipv6_find_idev+0x102/0x170 [ 2076.289896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.289896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.289896][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.289896][ T10] netlink_unicast+0x449/0x710 [ 2076.289896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.289896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.289896][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.289896][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.289896][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.289896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.289896][ T10] [ 2076.291578][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2076.291897][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2076.291897][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.291897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.291897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.291897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.291897][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.291897][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.291897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.291897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.291897][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.291897][ T10] netlink_unicast+0x449/0x710 [ 2076.291897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.291897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.291897][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.291897][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.291897][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.291897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.291897][ T10] [ 2076.293885][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2076.293885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.293885][ T10] ipv6_find_idev+0x102/0x170 [ 2076.293885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.293885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.293885][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.293885][ T10] netlink_unicast+0x449/0x710 [ 2076.293885][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.293885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.293885][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.293885][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.293885][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.293885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.293885][ T10] [ 2076.295394][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2076.295394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.295394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.295394][ T10] ipv6_find_idev+0x102/0x170 [ 2076.295394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.295394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.295394][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.295394][ T10] netlink_unicast+0x449/0x710 [ 2076.295394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.295394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.295394][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.295394][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.295394][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.295394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.295394][ T10] [ 2076.297033][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2076.297309][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2076.297309][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.297309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.297309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.297309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.297309][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.297309][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.297309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.297309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.297309][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.297309][ T10] netlink_unicast+0x449/0x710 [ 2076.297309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.297309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.297309][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.297309][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.297309][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.297309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.297309][ T10] [ 2076.299320][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2076.299320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.299320][ T10] ipv6_find_idev+0x102/0x170 [ 2076.299320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.299320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.299320][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.299320][ T10] netlink_unicast+0x449/0x710 [ 2076.299320][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.299320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.299320][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.299320][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.299320][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.299320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.299320][ T10] [ 2076.300943][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2076.300943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.300943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.300943][ T10] ipv6_find_idev+0x102/0x170 [ 2076.300943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.300943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.300943][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.300943][ T10] netlink_unicast+0x449/0x710 [ 2076.300943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.300943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.300943][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.300943][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.300943][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.300943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.300943][ T10] [ 2076.302630][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2076.303326][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2076.303326][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.303326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.303326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.303326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.303326][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.303326][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.303326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.303326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.303326][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.303326][ T10] netlink_unicast+0x449/0x710 [ 2076.303326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.303326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.303326][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.303326][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.303326][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.303326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.303326][ T10] [ 2076.305371][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2076.305371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.305371][ T10] ipv6_find_idev+0x102/0x170 [ 2076.305371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.305371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.305371][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.305371][ T10] netlink_unicast+0x449/0x710 [ 2076.305371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.305371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.305371][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.305371][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.305371][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.305371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.305371][ T10] [ 2076.306898][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2076.306898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.306898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.306898][ T10] ipv6_find_idev+0x102/0x170 [ 2076.306898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.306898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.306898][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.306898][ T10] netlink_unicast+0x449/0x710 [ 2076.306898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.306898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.306898][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.306898][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.306898][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.306898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.306898][ T10] [ 2076.308616][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2076.308934][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2076.308934][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.308934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.308934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.308934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.308934][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.308934][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.308934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.308934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.308934][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.308934][ T10] netlink_unicast+0x449/0x710 [ 2076.308934][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.308934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.308934][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.308934][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.308934][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.308934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.308934][ T10] [ 2076.310911][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2076.310911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.310911][ T10] ipv6_find_idev+0x102/0x170 [ 2076.310911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.310911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.310911][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.310911][ T10] netlink_unicast+0x449/0x710 [ 2076.310911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.310911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.310911][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.310911][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.310911][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.310911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.310911][ T10] [ 2076.312441][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2076.312441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.312441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.312441][ T10] ipv6_find_idev+0x102/0x170 [ 2076.312441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.312441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.312441][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.312441][ T10] netlink_unicast+0x449/0x710 [ 2076.312441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.312441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.312441][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.312441][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.312441][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.312441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.312441][ T10] [ 2076.314146][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2076.314406][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2076.314406][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.314406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.314406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.314406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.314406][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.314406][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.314406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.314406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.314406][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.314406][ T10] netlink_unicast+0x449/0x710 [ 2076.314406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.314406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.314406][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.314406][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.314406][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.314406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.314406][ T10] [ 2076.316502][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2076.316502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.316502][ T10] ipv6_find_idev+0x102/0x170 [ 2076.316502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.316502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.316502][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.316502][ T10] netlink_unicast+0x449/0x710 [ 2076.316502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.316502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.316502][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.316502][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.316502][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.316502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.316502][ T10] [ 2076.318125][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2076.318125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.318125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.318125][ T10] ipv6_find_idev+0x102/0x170 [ 2076.318125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.318125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.318125][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.318125][ T10] netlink_unicast+0x449/0x710 [ 2076.318125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.318125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.318125][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.318125][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.318125][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.318125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.318125][ T10] [ 2076.320093][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2076.320350][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2076.320350][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.320350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.320350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.320350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.320350][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.320350][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.320350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.320350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.320350][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.320350][ T10] netlink_unicast+0x449/0x710 [ 2076.320350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.320350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.320350][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.320350][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.320350][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.320350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.320350][ T10] [ 2076.322512][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2076.322512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.322512][ T10] ipv6_find_idev+0x102/0x170 [ 2076.322512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.322512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.322512][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.322512][ T10] netlink_unicast+0x449/0x710 [ 2076.322512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.322512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.322512][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.322512][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.322512][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.322512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.322512][ T10] [ 2076.324218][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2076.324218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.324218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.324218][ T10] ipv6_find_idev+0x102/0x170 [ 2076.324218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.324218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.324218][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.324218][ T10] netlink_unicast+0x449/0x710 [ 2076.324218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.324218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.324218][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.324218][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.324218][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.324218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.324218][ T10] [ 2076.326159][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2076.326469][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2076.326469][ T10] netdev_get_by_index+0x5e/0x80 [ 2076.326469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2076.326469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2076.326469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2076.326469][ T10] ipv6_add_addr+0x411/0x2000 [ 2076.326469][ T10] inet6_addr_add+0x30e/0xa40 [ 2076.326469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.326469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.326469][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.326469][ T10] netlink_unicast+0x449/0x710 [ 2076.326469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.326469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.326469][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.326469][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.326469][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.326469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.326469][ T10] [ 2076.328632][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2076.328632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2076.328632][ T10] ipv6_find_idev+0x102/0x170 [ 2076.328632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.328632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.328632][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.328632][ T10] netlink_unicast+0x449/0x710 [ 2076.328632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.328632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.328632][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.328632][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.328632][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.328632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.328632][ T10] [ 2076.330402][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2076.330402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2076.330402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2076.330402][ T10] ipv6_find_idev+0x102/0x170 [ 2076.330402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.330402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.330402][ T10] netlink_rcv_skb+0x130/0x360 [ 2076.330402][ T10] netlink_unicast+0x449/0x710 [ 2076.330402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2076.330402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2076.330402][ T10] ___sys_sendmsg+0xee/0x170 [ 2076.330402][ T10] __sys_sendmsg+0xcd/0x170 [ 2076.330402][ T10] do_syscall_64+0xc6/0x1e0 [ 2076.330402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.330402][ T10] [ 2086.573956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2086.574502][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2086.574502][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.574502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.574502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.574502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.574502][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.574502][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.574502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.574502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.574502][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.574502][ T10] netlink_unicast+0x449/0x710 [ 2086.574502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.574502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.574502][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.574502][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.574502][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.574502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.574502][ T10] [ 2086.576520][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2086.576520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.576520][ T10] ipv6_find_idev+0x102/0x170 [ 2086.576520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.576520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.576520][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.576520][ T10] netlink_unicast+0x449/0x710 [ 2086.576520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.576520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.576520][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.576520][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.576520][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.576520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.576520][ T10] [ 2086.578013][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2086.578013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.578013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.578013][ T10] ipv6_find_idev+0x102/0x170 [ 2086.578013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.578013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.578013][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.578013][ T10] netlink_unicast+0x449/0x710 [ 2086.578013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.578013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.578013][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.578013][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.578013][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.578013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.578013][ T10] [ 2086.579694][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2086.579994][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2086.579994][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.579994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.579994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.579994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.579994][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.579994][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.579994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.579994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.579994][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.579994][ T10] netlink_unicast+0x449/0x710 [ 2086.579994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.579994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.579994][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.579994][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.579994][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.579994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.579994][ T10] [ 2086.582018][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2086.582018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.582018][ T10] ipv6_find_idev+0x102/0x170 [ 2086.582018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.582018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.582018][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.582018][ T10] netlink_unicast+0x449/0x710 [ 2086.582018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.582018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.582018][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.582018][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.582018][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.582018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.582018][ T10] [ 2086.583548][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2086.583548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.583548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.583548][ T10] ipv6_find_idev+0x102/0x170 [ 2086.583548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.583548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.583548][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.583548][ T10] netlink_unicast+0x449/0x710 [ 2086.583548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.583548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.583548][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.583548][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.583548][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.583548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.583548][ T10] [ 2086.585184][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2086.585469][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2086.585469][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.585469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.585469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.585469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.585469][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.585469][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.585469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.585469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.585469][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.585469][ T10] netlink_unicast+0x449/0x710 [ 2086.585469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.585469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.585469][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.585469][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.585469][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.585469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.585469][ T10] [ 2086.587453][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2086.587453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.587453][ T10] ipv6_find_idev+0x102/0x170 [ 2086.587453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.587453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.587453][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.587453][ T10] netlink_unicast+0x449/0x710 [ 2086.587453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.587453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.587453][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.587453][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.587453][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.587453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.587453][ T10] [ 2086.588975][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2086.588975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.588975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.588975][ T10] ipv6_find_idev+0x102/0x170 [ 2086.588975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.588975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.588975][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.588975][ T10] netlink_unicast+0x449/0x710 [ 2086.588975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.588975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.588975][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.588975][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.588975][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.588975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.588975][ T10] [ 2086.590643][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2086.591347][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2086.591347][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.591347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.591347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.591347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.591347][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.591347][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.591347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.591347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.591347][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.591347][ T10] netlink_unicast+0x449/0x710 [ 2086.591347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.591347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.591347][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.591347][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.591347][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.591347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.591347][ T10] [ 2086.593326][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2086.593326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.593326][ T10] ipv6_find_idev+0x102/0x170 [ 2086.593326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.593326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.593326][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.593326][ T10] netlink_unicast+0x449/0x710 [ 2086.593326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.593326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.593326][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.593326][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.593326][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.593326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.593326][ T10] [ 2086.594847][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2086.594847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.594847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.594847][ T10] ipv6_find_idev+0x102/0x170 [ 2086.594847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.594847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.594847][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.594847][ T10] netlink_unicast+0x449/0x710 [ 2086.594847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.594847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.594847][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.594847][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.594847][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.594847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.594847][ T10] [ 2086.596579][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2086.596900][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2086.596900][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.596900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.596900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.596900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.596900][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.596900][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.596900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.596900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.596900][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.596900][ T10] netlink_unicast+0x449/0x710 [ 2086.596900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.596900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.596900][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.596900][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.596900][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.596900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.596900][ T10] [ 2086.598878][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2086.598878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.598878][ T10] ipv6_find_idev+0x102/0x170 [ 2086.598878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.598878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.598878][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.598878][ T10] netlink_unicast+0x449/0x710 [ 2086.598878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.598878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.598878][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.598878][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.598878][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.598878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.598878][ T10] [ 2086.600377][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2086.600377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.600377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.600377][ T10] ipv6_find_idev+0x102/0x170 [ 2086.600377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.600377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.600377][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.600377][ T10] netlink_unicast+0x449/0x710 [ 2086.600377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.600377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.600377][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.600377][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.600377][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.600377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.600377][ T10] [ 2086.602094][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2086.602356][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2086.602356][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.602356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.602356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.602356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.602356][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.602356][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.602356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.602356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.602356][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.602356][ T10] netlink_unicast+0x449/0x710 [ 2086.602356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.602356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.602356][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.602356][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.602356][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.602356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.602356][ T10] [ 2086.604385][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2086.604385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.604385][ T10] ipv6_find_idev+0x102/0x170 [ 2086.604385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.604385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.604385][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.604385][ T10] netlink_unicast+0x449/0x710 [ 2086.604385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.604385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.604385][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.604385][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.604385][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.604385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.604385][ T10] [ 2086.605987][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2086.605987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.605987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.605987][ T10] ipv6_find_idev+0x102/0x170 [ 2086.605987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.605987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.605987][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.605987][ T10] netlink_unicast+0x449/0x710 [ 2086.605987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.605987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.605987][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.605987][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.605987][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.605987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.605987][ T10] [ 2086.607996][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2086.608254][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2086.608254][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.608254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.608254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.608254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.608254][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.608254][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.608254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.608254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.608254][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.608254][ T10] netlink_unicast+0x449/0x710 [ 2086.608254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.608254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.608254][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.608254][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.608254][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.608254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.608254][ T10] [ 2086.610327][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2086.610327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.610327][ T10] ipv6_find_idev+0x102/0x170 [ 2086.610327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.610327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.610327][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.610327][ T10] netlink_unicast+0x449/0x710 [ 2086.610327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.610327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.610327][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.610327][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.610327][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.610327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.610327][ T10] [ 2086.612037][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2086.612037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.612037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.612037][ T10] ipv6_find_idev+0x102/0x170 [ 2086.612037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.612037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.612037][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.612037][ T10] netlink_unicast+0x449/0x710 [ 2086.612037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.612037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.612037][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.612037][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.612037][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.612037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.612037][ T10] [ 2086.613971][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2086.614234][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2086.614234][ T10] netdev_get_by_index+0x5e/0x80 [ 2086.614234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2086.614234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2086.614234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2086.614234][ T10] ipv6_add_addr+0x411/0x2000 [ 2086.614234][ T10] inet6_addr_add+0x30e/0xa40 [ 2086.614234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.614234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.614234][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.614234][ T10] netlink_unicast+0x449/0x710 [ 2086.614234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.614234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.614234][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.614234][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.614234][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.614234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.614234][ T10] [ 2086.616331][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2086.616331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2086.616331][ T10] ipv6_find_idev+0x102/0x170 [ 2086.616331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.616331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.616331][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.616331][ T10] netlink_unicast+0x449/0x710 [ 2086.616331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.616331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.616331][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.616331][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.616331][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.616331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.616331][ T10] [ 2086.617899][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2086.617899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2086.617899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2086.617899][ T10] ipv6_find_idev+0x102/0x170 [ 2086.617899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.617899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.617899][ T10] netlink_rcv_skb+0x130/0x360 [ 2086.617899][ T10] netlink_unicast+0x449/0x710 [ 2086.617899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2086.617899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2086.617899][ T10] ___sys_sendmsg+0xee/0x170 [ 2086.617899][ T10] __sys_sendmsg+0xcd/0x170 [ 2086.617899][ T10] do_syscall_64+0xc6/0x1e0 [ 2086.617899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.617899][ T10] [ 2096.813960][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2096.814482][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2096.814482][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.814482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.814482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.814482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.814482][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.814482][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.814482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.814482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.814482][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.814482][ T10] netlink_unicast+0x449/0x710 [ 2096.814482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.814482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.814482][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.814482][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.814482][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.814482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.814482][ T10] [ 2096.816462][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2096.816462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.816462][ T10] ipv6_find_idev+0x102/0x170 [ 2096.816462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.816462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.816462][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.816462][ T10] netlink_unicast+0x449/0x710 [ 2096.816462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.816462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.816462][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.816462][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.816462][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.816462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.816462][ T10] [ 2096.818011][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2096.818011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.818011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.818011][ T10] ipv6_find_idev+0x102/0x170 [ 2096.818011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.818011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.818011][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.818011][ T10] netlink_unicast+0x449/0x710 [ 2096.818011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.818011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.818011][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.818011][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.818011][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.818011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.818011][ T10] [ 2096.819683][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2096.819998][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2096.819998][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.819998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.819998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.819998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.819998][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.819998][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.819998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.819998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.819998][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.819998][ T10] netlink_unicast+0x449/0x710 [ 2096.819998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.819998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.819998][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.819998][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.819998][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.819998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.819998][ T10] [ 2096.822062][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2096.822062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.822062][ T10] ipv6_find_idev+0x102/0x170 [ 2096.822062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.822062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.822062][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.822062][ T10] netlink_unicast+0x449/0x710 [ 2096.822062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.822062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.822062][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.822062][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.822062][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.822062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.822062][ T10] [ 2096.823628][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2096.823628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.823628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.823628][ T10] ipv6_find_idev+0x102/0x170 [ 2096.823628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.823628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.823628][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.823628][ T10] netlink_unicast+0x449/0x710 [ 2096.823628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.823628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.823628][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.823628][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.823628][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.823628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.823628][ T10] [ 2096.825364][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2096.825646][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2096.825646][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.825646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.825646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.825646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.825646][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.825646][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.825646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.825646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.825646][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.825646][ T10] netlink_unicast+0x449/0x710 [ 2096.825646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.825646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.825646][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.825646][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.825646][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.825646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.825646][ T10] [ 2096.827690][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2096.827690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.827690][ T10] ipv6_find_idev+0x102/0x170 [ 2096.827690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.827690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.827690][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.827690][ T10] netlink_unicast+0x449/0x710 [ 2096.827690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.827690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.827690][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.827690][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.827690][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.827690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.827690][ T10] [ 2096.829193][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2096.829193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.829193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.829193][ T10] ipv6_find_idev+0x102/0x170 [ 2096.829193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.829193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.829193][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.829193][ T10] netlink_unicast+0x449/0x710 [ 2096.829193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.829193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.829193][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.829193][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.829193][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.829193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.829193][ T10] [ 2096.830828][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2096.831083][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2096.831083][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.831083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.831083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.831083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.831083][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.831083][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.831083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.831083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.831083][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.831083][ T10] netlink_unicast+0x449/0x710 [ 2096.831083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.831083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.831083][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.831083][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.831083][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.831083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.831083][ T10] [ 2096.833086][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2096.833086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.833086][ T10] ipv6_find_idev+0x102/0x170 [ 2096.833086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.833086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.833086][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.833086][ T10] netlink_unicast+0x449/0x710 [ 2096.833086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.833086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.833086][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.833086][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.833086][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.833086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.833086][ T10] [ 2096.834613][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2096.834613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.834613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.834613][ T10] ipv6_find_idev+0x102/0x170 [ 2096.834613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.834613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.834613][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.834613][ T10] netlink_unicast+0x449/0x710 [ 2096.834613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.834613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.834613][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.834613][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.834613][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.834613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.834613][ T10] [ 2096.836670][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2096.837290][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2096.837290][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.837290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.837290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.837290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.837290][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.837290][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.837290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.837290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.837290][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.837290][ T10] netlink_unicast+0x449/0x710 [ 2096.837290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.837290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.837290][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.837290][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.837290][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.837290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.837290][ T10] [ 2096.839310][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2096.839310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.839310][ T10] ipv6_find_idev+0x102/0x170 [ 2096.839310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.839310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.839310][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.839310][ T10] netlink_unicast+0x449/0x710 [ 2096.839310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.839310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.839310][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.839310][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.839310][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.839310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.839310][ T10] [ 2096.840806][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2096.840806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.840806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.840806][ T10] ipv6_find_idev+0x102/0x170 [ 2096.840806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.840806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.840806][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.840806][ T10] netlink_unicast+0x449/0x710 [ 2096.840806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.840806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.840806][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.840806][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.840806][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.840806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.840806][ T10] [ 2096.842500][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2096.842762][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2096.842762][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.842762][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.842762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.842762][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.842762][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.842762][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.842762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.842762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.842762][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.842762][ T10] netlink_unicast+0x449/0x710 [ 2096.842762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.842762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.842762][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.842762][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.842762][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.842762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.842762][ T10] [ 2096.844755][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2096.844755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.844755][ T10] ipv6_find_idev+0x102/0x170 [ 2096.844755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.844755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.844755][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.844755][ T10] netlink_unicast+0x449/0x710 [ 2096.844755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.844755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.844755][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.844755][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.844755][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.844755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.844755][ T10] [ 2096.846313][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2096.846313][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.846313][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.846313][ T10] ipv6_find_idev+0x102/0x170 [ 2096.846313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.846313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.846313][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.846313][ T10] netlink_unicast+0x449/0x710 [ 2096.846313][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.846313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.846313][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.846313][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.846313][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.846313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.846313][ T10] [ 2096.848277][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2096.848548][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2096.848548][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.848548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.848548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.848548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.848548][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.848548][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.848548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.848548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.848548][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.848548][ T10] netlink_unicast+0x449/0x710 [ 2096.848548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.848548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.848548][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.848548][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.848548][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.848548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.848548][ T10] [ 2096.850793][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2096.850793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.850793][ T10] ipv6_find_idev+0x102/0x170 [ 2096.850793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.850793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.850793][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.850793][ T10] netlink_unicast+0x449/0x710 [ 2096.850793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.850793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.850793][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.850793][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.850793][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.850793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.850793][ T10] [ 2096.852527][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2096.852527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.852527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.852527][ T10] ipv6_find_idev+0x102/0x170 [ 2096.852527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.852527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.852527][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.852527][ T10] netlink_unicast+0x449/0x710 [ 2096.852527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.852527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.852527][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.852527][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.852527][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.852527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.852527][ T10] [ 2096.854432][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2096.854746][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2096.854746][ T10] netdev_get_by_index+0x5e/0x80 [ 2096.854746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2096.854746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2096.854746][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2096.854746][ T10] ipv6_add_addr+0x411/0x2000 [ 2096.854746][ T10] inet6_addr_add+0x30e/0xa40 [ 2096.854746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2096.854746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.854746][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.854746][ T10] netlink_unicast+0x449/0x710 [ 2096.854746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.854746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.854746][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.854746][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.854746][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.854746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.854746][ T10] [ 2096.856925][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2096.856925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2096.856925][ T10] ipv6_find_idev+0x102/0x170 [ 2096.856925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.856925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.856925][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.856925][ T10] netlink_unicast+0x449/0x710 [ 2096.856925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.856925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.856925][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.856925][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.856925][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.856925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.856925][ T10] [ 2096.858694][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2096.858694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2096.858694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2096.858694][ T10] ipv6_find_idev+0x102/0x170 [ 2096.858694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2096.858694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.858694][ T10] netlink_rcv_skb+0x130/0x360 [ 2096.858694][ T10] netlink_unicast+0x449/0x710 [ 2096.858694][ T10] netlink_sendmsg+0x723/0xbe0 [ 2096.858694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2096.858694][ T10] ___sys_sendmsg+0xee/0x170 [ 2096.858694][ T10] __sys_sendmsg+0xcd/0x170 [ 2096.858694][ T10] do_syscall_64+0xc6/0x1e0 [ 2096.858694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.858694][ T10] [ 2107.101974][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2107.103089][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2107.103089][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.103089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.103089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.103089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.103089][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.103089][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.103089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.103089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.103089][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.103089][ T10] netlink_unicast+0x449/0x710 [ 2107.103089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.103089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.103089][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.103089][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.103089][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.103089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.103089][ T10] [ 2107.105817][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2107.105817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.105817][ T10] ipv6_find_idev+0x102/0x170 [ 2107.105817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.105817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.105817][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.105817][ T10] netlink_unicast+0x449/0x710 [ 2107.105817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.105817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.105817][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.105817][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.105817][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.105817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.105817][ T10] [ 2107.107718][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2107.107718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.107718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.107718][ T10] ipv6_find_idev+0x102/0x170 [ 2107.107718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.107718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.107718][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.107718][ T10] netlink_unicast+0x449/0x710 [ 2107.107718][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.107718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.107718][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.107718][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.107718][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.107718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.107718][ T10] [ 2107.109371][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2107.109642][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2107.109642][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.109642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.109642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.109642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.109642][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.109642][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.109642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.109642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.109642][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.109642][ T10] netlink_unicast+0x449/0x710 [ 2107.109642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.109642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.109642][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.109642][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.109642][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.109642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.109642][ T10] [ 2107.111593][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2107.111593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.111593][ T10] ipv6_find_idev+0x102/0x170 [ 2107.111593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.111593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.111593][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.111593][ T10] netlink_unicast+0x449/0x710 [ 2107.111593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.111593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.111593][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.111593][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.111593][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.111593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.111593][ T10] [ 2107.113120][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2107.113120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.113120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.113120][ T10] ipv6_find_idev+0x102/0x170 [ 2107.113120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.113120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.113120][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.113120][ T10] netlink_unicast+0x449/0x710 [ 2107.113120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.113120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.113120][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.113120][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.113120][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.113120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.113120][ T10] [ 2107.114781][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2107.115041][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2107.115041][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.115041][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.115041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.115041][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.115041][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.115041][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.115041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.115041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.115041][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.115041][ T10] netlink_unicast+0x449/0x710 [ 2107.115041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.115041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.115041][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.115041][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.115041][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.115041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.115041][ T10] [ 2107.117063][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2107.117063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.117063][ T10] ipv6_find_idev+0x102/0x170 [ 2107.117063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.117063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.117063][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.117063][ T10] netlink_unicast+0x449/0x710 [ 2107.117063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.117063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.117063][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.117063][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.117063][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.117063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.117063][ T10] [ 2107.118564][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2107.118564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.118564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.118564][ T10] ipv6_find_idev+0x102/0x170 [ 2107.118564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.118564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.118564][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.118564][ T10] netlink_unicast+0x449/0x710 [ 2107.118564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.118564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.118564][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.118564][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.118564][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.118564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.118564][ T10] [ 2107.120238][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2107.120496][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2107.120496][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.120496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.120496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.120496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.120496][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.120496][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.120496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.120496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.120496][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.120496][ T10] netlink_unicast+0x449/0x710 [ 2107.120496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.120496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.120496][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.120496][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.120496][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.120496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.120496][ T10] [ 2107.122517][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2107.122517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.122517][ T10] ipv6_find_idev+0x102/0x170 [ 2107.122517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.122517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.122517][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.122517][ T10] netlink_unicast+0x449/0x710 [ 2107.122517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.122517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.122517][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.122517][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.122517][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.122517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.122517][ T10] [ 2107.124027][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2107.124027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.124027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.124027][ T10] ipv6_find_idev+0x102/0x170 [ 2107.124027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.124027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.124027][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.124027][ T10] netlink_unicast+0x449/0x710 [ 2107.124027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.124027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.124027][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.124027][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.124027][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.124027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.124027][ T10] [ 2107.125733][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2107.126456][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2107.126456][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.126456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.126456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.126456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.126456][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.126456][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.126456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.126456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.126456][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.126456][ T10] netlink_unicast+0x449/0x710 [ 2107.126456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.126456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.126456][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.126456][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.126456][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.126456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.126456][ T10] [ 2107.128446][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2107.128446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.128446][ T10] ipv6_find_idev+0x102/0x170 [ 2107.128446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.128446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.128446][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.128446][ T10] netlink_unicast+0x449/0x710 [ 2107.128446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.128446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.128446][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.128446][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.128446][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.128446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.128446][ T10] [ 2107.129989][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2107.129989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.129989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.129989][ T10] ipv6_find_idev+0x102/0x170 [ 2107.129989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.129989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.129989][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.129989][ T10] netlink_unicast+0x449/0x710 [ 2107.129989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.129989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.129989][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.129989][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.129989][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.129989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.129989][ T10] [ 2107.131720][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2107.132040][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2107.132040][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.132040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.132040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.132040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.132040][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.132040][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.132040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.132040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.132040][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.132040][ T10] netlink_unicast+0x449/0x710 [ 2107.132040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.132040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.132040][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.132040][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.132040][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.132040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.132040][ T10] [ 2107.134160][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2107.134160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.134160][ T10] ipv6_find_idev+0x102/0x170 [ 2107.134160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.134160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.134160][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.134160][ T10] netlink_unicast+0x449/0x710 [ 2107.134160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.134160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.134160][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.134160][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.134160][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.134160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.134160][ T10] [ 2107.135968][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2107.135968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.135968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.135968][ T10] ipv6_find_idev+0x102/0x170 [ 2107.135968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.135968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.135968][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.135968][ T10] netlink_unicast+0x449/0x710 [ 2107.135968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.135968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.135968][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.135968][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.135968][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.135968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.135968][ T10] [ 2107.137866][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2107.138137][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2107.138137][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.138137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.138137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.138137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.138137][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.138137][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.138137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.138137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.138137][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.138137][ T10] netlink_unicast+0x449/0x710 [ 2107.138137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.138137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.138137][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.138137][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.138137][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.138137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.138137][ T10] [ 2107.140372][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2107.140372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.140372][ T10] ipv6_find_idev+0x102/0x170 [ 2107.140372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.140372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.140372][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.140372][ T10] netlink_unicast+0x449/0x710 [ 2107.140372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.140372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.140372][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.140372][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.140372][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.140372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.140372][ T10] [ 2107.142136][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2107.142136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.142136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.142136][ T10] ipv6_find_idev+0x102/0x170 [ 2107.142136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.142136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.142136][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.142136][ T10] netlink_unicast+0x449/0x710 [ 2107.142136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.142136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.142136][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.142136][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.142136][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.142136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.142136][ T10] [ 2107.144040][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2107.144302][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2107.144302][ T10] netdev_get_by_index+0x5e/0x80 [ 2107.144302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2107.144302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2107.144302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2107.144302][ T10] ipv6_add_addr+0x411/0x2000 [ 2107.144302][ T10] inet6_addr_add+0x30e/0xa40 [ 2107.144302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.144302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.144302][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.144302][ T10] netlink_unicast+0x449/0x710 [ 2107.144302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.144302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.144302][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.144302][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.144302][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.144302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.144302][ T10] [ 2107.146546][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2107.146546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2107.146546][ T10] ipv6_find_idev+0x102/0x170 [ 2107.146546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.146546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.146546][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.146546][ T10] netlink_unicast+0x449/0x710 [ 2107.146546][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.146546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.146546][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.146546][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.146546][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.146546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.146546][ T10] [ 2107.148254][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2107.148254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2107.148254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2107.148254][ T10] ipv6_find_idev+0x102/0x170 [ 2107.148254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.148254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.148254][ T10] netlink_rcv_skb+0x130/0x360 [ 2107.148254][ T10] netlink_unicast+0x449/0x710 [ 2107.148254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2107.148254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2107.148254][ T10] ___sys_sendmsg+0xee/0x170 [ 2107.148254][ T10] __sys_sendmsg+0xcd/0x170 [ 2107.148254][ T10] do_syscall_64+0xc6/0x1e0 [ 2107.148254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.148254][ T10] [ 2117.182029][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2117.183126][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2117.183126][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.183126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.183126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.183126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.183126][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.183126][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.183126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.183126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.183126][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.183126][ T10] netlink_unicast+0x449/0x710 [ 2117.183126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.183126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.183126][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.183126][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.183126][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.183126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.183126][ T10] [ 2117.185167][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2117.185167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.185167][ T10] ipv6_find_idev+0x102/0x170 [ 2117.185167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.185167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.185167][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.185167][ T10] netlink_unicast+0x449/0x710 [ 2117.185167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.185167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.185167][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.185167][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.185167][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.185167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.185167][ T10] [ 2117.186680][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2117.186680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.186680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.186680][ T10] ipv6_find_idev+0x102/0x170 [ 2117.186680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.186680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.186680][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.186680][ T10] netlink_unicast+0x449/0x710 [ 2117.186680][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.186680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.186680][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.186680][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.186680][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.186680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.186680][ T10] [ 2117.188360][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2117.188648][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2117.188648][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.188648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.188648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.188648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.188648][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.188648][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.188648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.188648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.188648][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.188648][ T10] netlink_unicast+0x449/0x710 [ 2117.188648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.188648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.188648][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.188648][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.188648][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.188648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.188648][ T10] [ 2117.190684][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2117.190684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.190684][ T10] ipv6_find_idev+0x102/0x170 [ 2117.190684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.190684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.190684][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.190684][ T10] netlink_unicast+0x449/0x710 [ 2117.190684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.190684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.190684][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.190684][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.190684][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.190684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.190684][ T10] [ 2117.192239][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2117.192239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.192239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.192239][ T10] ipv6_find_idev+0x102/0x170 [ 2117.192239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.192239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.192239][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.192239][ T10] netlink_unicast+0x449/0x710 [ 2117.192239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.192239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.192239][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.192239][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.192239][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.192239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.192239][ T10] [ 2117.193933][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2117.194218][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2117.194218][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.194218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.194218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.194218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.194218][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.194218][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.194218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.194218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.194218][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.194218][ T10] netlink_unicast+0x449/0x710 [ 2117.194218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.194218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.194218][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.194218][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.194218][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.194218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.194218][ T10] [ 2117.196239][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2117.196239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.196239][ T10] ipv6_find_idev+0x102/0x170 [ 2117.196239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.196239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.196239][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.196239][ T10] netlink_unicast+0x449/0x710 [ 2117.196239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.196239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.196239][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.196239][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.196239][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.196239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.196239][ T10] [ 2117.197792][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2117.197792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.197792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.197792][ T10] ipv6_find_idev+0x102/0x170 [ 2117.197792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.197792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.197792][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.197792][ T10] netlink_unicast+0x449/0x710 [ 2117.197792][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.197792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.197792][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.197792][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.197792][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.197792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.197792][ T10] [ 2117.199525][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2117.199794][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2117.199794][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.199794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.199794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.199794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.199794][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.199794][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.199794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.199794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.199794][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.199794][ T10] netlink_unicast+0x449/0x710 [ 2117.199794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.199794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.199794][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.199794][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.199794][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.199794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.199794][ T10] [ 2117.201813][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2117.201813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.201813][ T10] ipv6_find_idev+0x102/0x170 [ 2117.201813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.201813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.201813][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.201813][ T10] netlink_unicast+0x449/0x710 [ 2117.201813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.201813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.201813][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.201813][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.201813][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.201813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.201813][ T10] [ 2117.203356][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2117.203356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.203356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.203356][ T10] ipv6_find_idev+0x102/0x170 [ 2117.203356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.203356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.203356][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.203356][ T10] netlink_unicast+0x449/0x710 [ 2117.203356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.203356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.203356][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.203356][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.203356][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.203356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.203356][ T10] [ 2117.205426][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2117.205693][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2117.205693][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.205693][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.205693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.205693][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.205693][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.205693][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.205693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.205693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.205693][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.205693][ T10] netlink_unicast+0x449/0x710 [ 2117.205693][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.205693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.205693][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.205693][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.205693][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.205693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.205693][ T10] [ 2117.207702][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2117.207702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.207702][ T10] ipv6_find_idev+0x102/0x170 [ 2117.207702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.207702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.207702][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.207702][ T10] netlink_unicast+0x449/0x710 [ 2117.207702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.207702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.207702][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.207702][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.207702][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.207702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.207702][ T10] [ 2117.209307][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2117.209307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.209307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.209307][ T10] ipv6_find_idev+0x102/0x170 [ 2117.209307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.209307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.209307][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.209307][ T10] netlink_unicast+0x449/0x710 [ 2117.209307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.209307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.209307][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.209307][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.209307][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.209307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.209307][ T10] [ 2117.211331][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2117.211596][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2117.211596][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.211596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.211596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.211596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.211596][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.211596][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.211596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.211596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.211596][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.211596][ T10] netlink_unicast+0x449/0x710 [ 2117.211596][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.211596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.211596][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.211596][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.211596][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.211596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.211596][ T10] [ 2117.213786][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2117.213786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.213786][ T10] ipv6_find_idev+0x102/0x170 [ 2117.213786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.213786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.213786][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.213786][ T10] netlink_unicast+0x449/0x710 [ 2117.213786][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.213786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.213786][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.213786][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.213786][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.213786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.213786][ T10] [ 2117.215513][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2117.215513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.215513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.215513][ T10] ipv6_find_idev+0x102/0x170 [ 2117.215513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.215513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.215513][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.215513][ T10] netlink_unicast+0x449/0x710 [ 2117.215513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.215513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.215513][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.215513][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.215513][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.215513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.215513][ T10] [ 2117.217421][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2117.217690][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2117.217690][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.217690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.217690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.217690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.217690][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.217690][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.217690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.217690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.217690][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.217690][ T10] netlink_unicast+0x449/0x710 [ 2117.217690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.217690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.217690][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.217690][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.217690][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.217690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.217690][ T10] [ 2117.219945][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2117.219945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.219945][ T10] ipv6_find_idev+0x102/0x170 [ 2117.219945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.219945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.219945][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.219945][ T10] netlink_unicast+0x449/0x710 [ 2117.219945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.219945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.219945][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.219945][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.219945][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.219945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.219945][ T10] [ 2117.221733][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2117.221733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.221733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.221733][ T10] ipv6_find_idev+0x102/0x170 [ 2117.221733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.221733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.221733][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.221733][ T10] netlink_unicast+0x449/0x710 [ 2117.221733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.221733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.221733][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.221733][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.221733][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.221733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.221733][ T10] [ 2117.223654][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2117.223970][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2117.223970][ T10] netdev_get_by_index+0x5e/0x80 [ 2117.223970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2117.223970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2117.223970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2117.223970][ T10] ipv6_add_addr+0x411/0x2000 [ 2117.223970][ T10] inet6_addr_add+0x30e/0xa40 [ 2117.223970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.223970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.223970][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.223970][ T10] netlink_unicast+0x449/0x710 [ 2117.223970][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.223970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.223970][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.223970][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.223970][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.223970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.223970][ T10] [ 2117.226158][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2117.226158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2117.226158][ T10] ipv6_find_idev+0x102/0x170 [ 2117.226158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.226158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.226158][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.226158][ T10] netlink_unicast+0x449/0x710 [ 2117.226158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.226158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.226158][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.226158][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.226158][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.226158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.226158][ T10] [ 2117.227889][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2117.227889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2117.227889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2117.227889][ T10] ipv6_find_idev+0x102/0x170 [ 2117.227889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.227889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.227889][ T10] netlink_rcv_skb+0x130/0x360 [ 2117.227889][ T10] netlink_unicast+0x449/0x710 [ 2117.227889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2117.227889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2117.227889][ T10] ___sys_sendmsg+0xee/0x170 [ 2117.227889][ T10] __sys_sendmsg+0xcd/0x170 [ 2117.227889][ T10] do_syscall_64+0xc6/0x1e0 [ 2117.227889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.227889][ T10] [ 2127.357970][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2127.358476][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2127.358476][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.358476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.358476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.358476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.358476][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.358476][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.358476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.358476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.358476][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.358476][ T10] netlink_unicast+0x449/0x710 [ 2127.358476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.358476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.358476][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.358476][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.358476][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.358476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.358476][ T10] [ 2127.360429][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2127.360429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.360429][ T10] ipv6_find_idev+0x102/0x170 [ 2127.360429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.360429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.360429][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.360429][ T10] netlink_unicast+0x449/0x710 [ 2127.360429][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.360429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.360429][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.360429][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.360429][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.360429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.360429][ T10] [ 2127.361939][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2127.361939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.361939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.361939][ T10] ipv6_find_idev+0x102/0x170 [ 2127.361939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.361939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.361939][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.361939][ T10] netlink_unicast+0x449/0x710 [ 2127.361939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.361939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.361939][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.361939][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.361939][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.361939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.361939][ T10] [ 2127.363571][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2127.363869][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2127.363869][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.363869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.363869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.363869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.363869][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.363869][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.363869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.363869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.363869][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.363869][ T10] netlink_unicast+0x449/0x710 [ 2127.363869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.363869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.363869][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.363869][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.363869][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.363869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.363869][ T10] [ 2127.365831][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2127.365831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.365831][ T10] ipv6_find_idev+0x102/0x170 [ 2127.365831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.365831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.365831][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.365831][ T10] netlink_unicast+0x449/0x710 [ 2127.365831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.365831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.365831][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.365831][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.365831][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.365831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.365831][ T10] [ 2127.367371][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2127.367371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.367371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.367371][ T10] ipv6_find_idev+0x102/0x170 [ 2127.367371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.367371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.367371][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.367371][ T10] netlink_unicast+0x449/0x710 [ 2127.367371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.367371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.367371][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.367371][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.367371][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.367371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.367371][ T10] [ 2127.369033][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2127.369314][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2127.369314][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.369314][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.369314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.369314][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.369314][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.369314][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.369314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.369314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.369314][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.369314][ T10] netlink_unicast+0x449/0x710 [ 2127.369314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.369314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.369314][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.369314][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.369314][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.369314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.369314][ T10] [ 2127.371300][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2127.371300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.371300][ T10] ipv6_find_idev+0x102/0x170 [ 2127.371300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.371300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.371300][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.371300][ T10] netlink_unicast+0x449/0x710 [ 2127.371300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.371300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.371300][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.371300][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.371300][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.371300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.371300][ T10] [ 2127.372834][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2127.372834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.372834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.372834][ T10] ipv6_find_idev+0x102/0x170 [ 2127.372834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.372834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.372834][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.372834][ T10] netlink_unicast+0x449/0x710 [ 2127.372834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.372834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.372834][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.372834][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.372834][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.372834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.372834][ T10] [ 2127.374668][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2127.375382][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2127.375382][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.375382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.375382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.375382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.375382][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.375382][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.375382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.375382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.375382][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.375382][ T10] netlink_unicast+0x449/0x710 [ 2127.375382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.375382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.375382][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.375382][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.375382][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.375382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.375382][ T10] [ 2127.377356][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2127.377356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.377356][ T10] ipv6_find_idev+0x102/0x170 [ 2127.377356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.377356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.377356][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.377356][ T10] netlink_unicast+0x449/0x710 [ 2127.377356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.377356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.377356][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.377356][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.377356][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.377356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.377356][ T10] [ 2127.378877][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2127.378877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.378877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.378877][ T10] ipv6_find_idev+0x102/0x170 [ 2127.378877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.378877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.378877][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.378877][ T10] netlink_unicast+0x449/0x710 [ 2127.378877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.378877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.378877][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.378877][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.378877][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.378877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.378877][ T10] [ 2127.380581][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2127.380899][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2127.380899][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.380899][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.380899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.380899][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.380899][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.380899][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.380899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.380899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.380899][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.380899][ T10] netlink_unicast+0x449/0x710 [ 2127.380899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.380899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.380899][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.380899][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.380899][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.380899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.380899][ T10] [ 2127.382881][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2127.382881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.382881][ T10] ipv6_find_idev+0x102/0x170 [ 2127.382881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.382881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.382881][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.382881][ T10] netlink_unicast+0x449/0x710 [ 2127.382881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.382881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.382881][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.382881][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.382881][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.382881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.382881][ T10] [ 2127.384414][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2127.384414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.384414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.384414][ T10] ipv6_find_idev+0x102/0x170 [ 2127.384414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.384414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.384414][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.384414][ T10] netlink_unicast+0x449/0x710 [ 2127.384414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.384414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.384414][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.384414][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.384414][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.384414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.384414][ T10] [ 2127.386124][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2127.386384][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2127.386384][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.386384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.386384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.386384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.386384][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.386384][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.386384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.386384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.386384][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.386384][ T10] netlink_unicast+0x449/0x710 [ 2127.386384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.386384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.386384][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.386384][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.386384][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.386384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.386384][ T10] [ 2127.388366][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2127.388366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.388366][ T10] ipv6_find_idev+0x102/0x170 [ 2127.388366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.388366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.388366][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.388366][ T10] netlink_unicast+0x449/0x710 [ 2127.388366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.388366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.388366][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.388366][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.388366][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.388366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.388366][ T10] [ 2127.390077][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2127.390077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.390077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.390077][ T10] ipv6_find_idev+0x102/0x170 [ 2127.390077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.390077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.390077][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.390077][ T10] netlink_unicast+0x449/0x710 [ 2127.390077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.390077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.390077][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.390077][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.390077][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.390077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.390077][ T10] [ 2127.392069][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2127.392337][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2127.392337][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.392337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.392337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.392337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.392337][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.392337][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.392337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.392337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.392337][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.392337][ T10] netlink_unicast+0x449/0x710 [ 2127.392337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.392337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.392337][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.392337][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.392337][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.392337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.392337][ T10] [ 2127.394517][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2127.394517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.394517][ T10] ipv6_find_idev+0x102/0x170 [ 2127.394517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.394517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.394517][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.394517][ T10] netlink_unicast+0x449/0x710 [ 2127.394517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.394517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.394517][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.394517][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.394517][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.394517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.394517][ T10] [ 2127.396212][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2127.396212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.396212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.396212][ T10] ipv6_find_idev+0x102/0x170 [ 2127.396212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.396212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.396212][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.396212][ T10] netlink_unicast+0x449/0x710 [ 2127.396212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.396212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.396212][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.396212][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.396212][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.396212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.396212][ T10] [ 2127.398161][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2127.398419][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2127.398419][ T10] netdev_get_by_index+0x5e/0x80 [ 2127.398419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2127.398419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2127.398419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2127.398419][ T10] ipv6_add_addr+0x411/0x2000 [ 2127.398419][ T10] inet6_addr_add+0x30e/0xa40 [ 2127.398419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.398419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.398419][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.398419][ T10] netlink_unicast+0x449/0x710 [ 2127.398419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.398419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.398419][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.398419][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.398419][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.398419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.398419][ T10] [ 2127.400628][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2127.400628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2127.400628][ T10] ipv6_find_idev+0x102/0x170 [ 2127.400628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.400628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.400628][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.400628][ T10] netlink_unicast+0x449/0x710 [ 2127.400628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.400628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.400628][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.400628][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.400628][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.400628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.400628][ T10] [ 2127.402331][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2127.402331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2127.402331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2127.402331][ T10] ipv6_find_idev+0x102/0x170 [ 2127.402331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.402331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.402331][ T10] netlink_rcv_skb+0x130/0x360 [ 2127.402331][ T10] netlink_unicast+0x449/0x710 [ 2127.402331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2127.402331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2127.402331][ T10] ___sys_sendmsg+0xee/0x170 [ 2127.402331][ T10] __sys_sendmsg+0xcd/0x170 [ 2127.402331][ T10] do_syscall_64+0xc6/0x1e0 [ 2127.402331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.402331][ T10] [ 2137.653958][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2137.655053][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2137.655053][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.655053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.655053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.655053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.655053][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.655053][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.655053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.655053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.655053][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.655053][ T10] netlink_unicast+0x449/0x710 [ 2137.655053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.655053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.655053][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.655053][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.655053][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.655053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.655053][ T10] [ 2137.657254][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2137.657254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.657254][ T10] ipv6_find_idev+0x102/0x170 [ 2137.657254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.657254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.657254][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.657254][ T10] netlink_unicast+0x449/0x710 [ 2137.657254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.657254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.657254][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.657254][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.657254][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.657254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.657254][ T10] [ 2137.658804][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2137.658804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.658804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.658804][ T10] ipv6_find_idev+0x102/0x170 [ 2137.658804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.658804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.658804][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.658804][ T10] netlink_unicast+0x449/0x710 [ 2137.658804][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.658804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.658804][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.658804][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.658804][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.658804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.658804][ T10] [ 2137.660493][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2137.660775][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2137.660775][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.660775][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.660775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.660775][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.660775][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.660775][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.660775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.660775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.660775][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.660775][ T10] netlink_unicast+0x449/0x710 [ 2137.660775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.660775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.660775][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.660775][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.660775][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.660775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.660775][ T10] [ 2137.662785][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2137.662785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.662785][ T10] ipv6_find_idev+0x102/0x170 [ 2137.662785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.662785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.662785][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.662785][ T10] netlink_unicast+0x449/0x710 [ 2137.662785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.662785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.662785][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.662785][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.662785][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.662785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.662785][ T10] [ 2137.664326][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2137.664326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.664326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.664326][ T10] ipv6_find_idev+0x102/0x170 [ 2137.664326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.664326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.664326][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.664326][ T10] netlink_unicast+0x449/0x710 [ 2137.664326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.664326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.664326][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.664326][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.664326][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.664326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.664326][ T10] [ 2137.666024][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2137.666328][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2137.666328][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.666328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.666328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.666328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.666328][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.666328][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.666328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.666328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.666328][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.666328][ T10] netlink_unicast+0x449/0x710 [ 2137.666328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.666328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.666328][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.666328][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.666328][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.666328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.666328][ T10] [ 2137.668347][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2137.668347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.668347][ T10] ipv6_find_idev+0x102/0x170 [ 2137.668347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.668347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.668347][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.668347][ T10] netlink_unicast+0x449/0x710 [ 2137.668347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.668347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.668347][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.668347][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.668347][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.668347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.668347][ T10] [ 2137.669904][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2137.669904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.669904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.669904][ T10] ipv6_find_idev+0x102/0x170 [ 2137.669904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.669904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.669904][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.669904][ T10] netlink_unicast+0x449/0x710 [ 2137.669904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.669904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.669904][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.669904][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.669904][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.669904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.669904][ T10] [ 2137.671618][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2137.671902][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2137.671902][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.671902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.671902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.671902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.671902][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.671902][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.671902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.671902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.671902][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.671902][ T10] netlink_unicast+0x449/0x710 [ 2137.671902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.671902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.671902][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.671902][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.671902][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.671902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.671902][ T10] [ 2137.673899][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2137.673899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.673899][ T10] ipv6_find_idev+0x102/0x170 [ 2137.673899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.673899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.673899][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.673899][ T10] netlink_unicast+0x449/0x710 [ 2137.673899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.673899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.673899][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.673899][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.673899][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.673899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.673899][ T10] [ 2137.675446][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2137.675446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.675446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.675446][ T10] ipv6_find_idev+0x102/0x170 [ 2137.675446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.675446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.675446][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.675446][ T10] netlink_unicast+0x449/0x710 [ 2137.675446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.675446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.675446][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.675446][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.675446][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.675446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.675446][ T10] [ 2137.677140][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2137.677403][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2137.677403][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.677403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.677403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.677403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.677403][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.677403][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.677403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.677403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.677403][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.677403][ T10] netlink_unicast+0x449/0x710 [ 2137.677403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.677403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.677403][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.677403][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.677403][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.677403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.677403][ T10] [ 2137.679422][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2137.679422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.679422][ T10] ipv6_find_idev+0x102/0x170 [ 2137.679422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.679422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.679422][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.679422][ T10] netlink_unicast+0x449/0x710 [ 2137.679422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.679422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.679422][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.679422][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.679422][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.679422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.679422][ T10] [ 2137.681006][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2137.681006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.681006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.681006][ T10] ipv6_find_idev+0x102/0x170 [ 2137.681006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.681006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.681006][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.681006][ T10] netlink_unicast+0x449/0x710 [ 2137.681006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.681006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.681006][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.681006][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.681006][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.681006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.681006][ T10] [ 2137.683338][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2137.683600][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2137.683600][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.683600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.683600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.683600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.683600][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.683600][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.683600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.683600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.683600][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.683600][ T10] netlink_unicast+0x449/0x710 [ 2137.683600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.683600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.683600][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.683600][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.683600][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.683600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.683600][ T10] [ 2137.685557][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2137.685557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.685557][ T10] ipv6_find_idev+0x102/0x170 [ 2137.685557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.685557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.685557][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.685557][ T10] netlink_unicast+0x449/0x710 [ 2137.685557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.685557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.685557][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.685557][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.685557][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.685557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.685557][ T10] [ 2137.687164][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2137.687164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.687164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.687164][ T10] ipv6_find_idev+0x102/0x170 [ 2137.687164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.687164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.687164][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.687164][ T10] netlink_unicast+0x449/0x710 [ 2137.687164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.687164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.687164][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.687164][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.687164][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.687164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.687164][ T10] [ 2137.689121][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2137.689384][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2137.689384][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.689384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.689384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.689384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.689384][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.689384][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.689384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.689384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.689384][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.689384][ T10] netlink_unicast+0x449/0x710 [ 2137.689384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.689384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.689384][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.689384][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.689384][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.689384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.689384][ T10] [ 2137.691641][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2137.691641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.691641][ T10] ipv6_find_idev+0x102/0x170 [ 2137.691641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.691641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.691641][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.691641][ T10] netlink_unicast+0x449/0x710 [ 2137.691641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.691641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.691641][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.691641][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.691641][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.691641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.691641][ T10] [ 2137.693365][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2137.693365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.693365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.693365][ T10] ipv6_find_idev+0x102/0x170 [ 2137.693365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.693365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.693365][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.693365][ T10] netlink_unicast+0x449/0x710 [ 2137.693365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.693365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.693365][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.693365][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.693365][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.693365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.693365][ T10] [ 2137.695261][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2137.695525][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2137.695525][ T10] netdev_get_by_index+0x5e/0x80 [ 2137.695525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2137.695525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2137.695525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2137.695525][ T10] ipv6_add_addr+0x411/0x2000 [ 2137.695525][ T10] inet6_addr_add+0x30e/0xa40 [ 2137.695525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.695525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.695525][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.695525][ T10] netlink_unicast+0x449/0x710 [ 2137.695525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.695525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.695525][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.695525][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.695525][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.695525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.695525][ T10] [ 2137.697825][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2137.697825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2137.697825][ T10] ipv6_find_idev+0x102/0x170 [ 2137.697825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.697825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.697825][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.697825][ T10] netlink_unicast+0x449/0x710 [ 2137.697825][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.697825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.697825][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.697825][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.697825][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.697825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.697825][ T10] [ 2137.699550][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2137.699550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2137.699550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2137.699550][ T10] ipv6_find_idev+0x102/0x170 [ 2137.699550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.699550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.699550][ T10] netlink_rcv_skb+0x130/0x360 [ 2137.699550][ T10] netlink_unicast+0x449/0x710 [ 2137.699550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2137.699550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2137.699550][ T10] ___sys_sendmsg+0xee/0x170 [ 2137.699550][ T10] __sys_sendmsg+0xcd/0x170 [ 2137.699550][ T10] do_syscall_64+0xc6/0x1e0 [ 2137.699550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.699550][ T10] [ 2147.710047][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2147.711130][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2147.711130][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.711130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.711130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.711130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.711130][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.711130][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.711130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.711130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.711130][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.711130][ T10] netlink_unicast+0x449/0x710 [ 2147.711130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.711130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.711130][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.711130][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.711130][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.711130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.711130][ T10] [ 2147.713178][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2147.713178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.713178][ T10] ipv6_find_idev+0x102/0x170 [ 2147.713178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.713178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.713178][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.713178][ T10] netlink_unicast+0x449/0x710 [ 2147.713178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.713178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.713178][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.713178][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.713178][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.713178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.713178][ T10] [ 2147.714684][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2147.714684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.714684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.714684][ T10] ipv6_find_idev+0x102/0x170 [ 2147.714684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.714684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.714684][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.714684][ T10] netlink_unicast+0x449/0x710 [ 2147.714684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.714684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.714684][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.714684][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.714684][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.714684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.714684][ T10] [ 2147.716403][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2147.716684][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2147.716684][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.716684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.716684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.716684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.716684][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.716684][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.716684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.716684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.716684][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.716684][ T10] netlink_unicast+0x449/0x710 [ 2147.716684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.716684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.716684][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.716684][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.716684][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.716684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.716684][ T10] [ 2147.718654][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2147.718654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.718654][ T10] ipv6_find_idev+0x102/0x170 [ 2147.718654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.718654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.718654][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.718654][ T10] netlink_unicast+0x449/0x710 [ 2147.718654][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.718654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.718654][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.718654][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.718654][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.718654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.718654][ T10] [ 2147.720202][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2147.720202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.720202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.720202][ T10] ipv6_find_idev+0x102/0x170 [ 2147.720202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.720202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.720202][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.720202][ T10] netlink_unicast+0x449/0x710 [ 2147.720202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.720202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.720202][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.720202][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.720202][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.720202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.720202][ T10] [ 2147.721910][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2147.722181][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2147.722181][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.722181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.722181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.722181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.722181][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.722181][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.722181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.722181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.722181][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.722181][ T10] netlink_unicast+0x449/0x710 [ 2147.722181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.722181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.722181][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.722181][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.722181][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.722181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.722181][ T10] [ 2147.724164][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2147.724164][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.724164][ T10] ipv6_find_idev+0x102/0x170 [ 2147.724164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.724164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.724164][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.724164][ T10] netlink_unicast+0x449/0x710 [ 2147.724164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.724164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.724164][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.724164][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.724164][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.724164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.724164][ T10] [ 2147.725728][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2147.725728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.725728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.725728][ T10] ipv6_find_idev+0x102/0x170 [ 2147.725728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.725728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.725728][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.725728][ T10] netlink_unicast+0x449/0x710 [ 2147.725728][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.725728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.725728][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.725728][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.725728][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.725728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.725728][ T10] [ 2147.727496][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2147.727761][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2147.727761][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.727761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.727761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.727761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.727761][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.727761][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.727761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.727761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.727761][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.727761][ T10] netlink_unicast+0x449/0x710 [ 2147.727761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.727761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.727761][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.727761][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.727761][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.727761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.727761][ T10] [ 2147.729747][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2147.729747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.729747][ T10] ipv6_find_idev+0x102/0x170 [ 2147.729747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.729747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.729747][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.729747][ T10] netlink_unicast+0x449/0x710 [ 2147.729747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.729747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.729747][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.729747][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.729747][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.729747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.729747][ T10] [ 2147.731279][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2147.731279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.731279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.731279][ T10] ipv6_find_idev+0x102/0x170 [ 2147.731279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.731279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.731279][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.731279][ T10] netlink_unicast+0x449/0x710 [ 2147.731279][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.731279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.731279][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.731279][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.731279][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.731279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.731279][ T10] [ 2147.732972][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2147.733244][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2147.733244][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.733244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.733244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.733244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.733244][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.733244][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.733244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.733244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.733244][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.733244][ T10] netlink_unicast+0x449/0x710 [ 2147.733244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.733244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.733244][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.733244][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.733244][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.733244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.733244][ T10] [ 2147.735242][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2147.735242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.735242][ T10] ipv6_find_idev+0x102/0x170 [ 2147.735242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.735242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.735242][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.735242][ T10] netlink_unicast+0x449/0x710 [ 2147.735242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.735242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.735242][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.735242][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.735242][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.735242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.735242][ T10] [ 2147.736772][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2147.736772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.736772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.736772][ T10] ipv6_find_idev+0x102/0x170 [ 2147.736772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.736772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.736772][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.736772][ T10] netlink_unicast+0x449/0x710 [ 2147.736772][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.736772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.736772][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.736772][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.736772][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.736772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.736772][ T10] [ 2147.739148][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2147.739412][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2147.739412][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.739412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.739412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.739412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.739412][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.739412][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.739412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.739412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.739412][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.739412][ T10] netlink_unicast+0x449/0x710 [ 2147.739412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.739412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.739412][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.739412][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.739412][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.739412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.739412][ T10] [ 2147.741422][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2147.741422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.741422][ T10] ipv6_find_idev+0x102/0x170 [ 2147.741422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.741422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.741422][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.741422][ T10] netlink_unicast+0x449/0x710 [ 2147.741422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.741422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.741422][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.741422][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.741422][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.741422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.741422][ T10] [ 2147.743014][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2147.743014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.743014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.743014][ T10] ipv6_find_idev+0x102/0x170 [ 2147.743014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.743014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.743014][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.743014][ T10] netlink_unicast+0x449/0x710 [ 2147.743014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.743014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.743014][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.743014][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.743014][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.743014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.743014][ T10] [ 2147.744910][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2147.745171][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2147.745171][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.745171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.745171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.745171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.745171][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.745171][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.745171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.745171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.745171][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.745171][ T10] netlink_unicast+0x449/0x710 [ 2147.745171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.745171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.745171][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.745171][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.745171][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.745171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.745171][ T10] [ 2147.747415][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2147.747415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.747415][ T10] ipv6_find_idev+0x102/0x170 [ 2147.747415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.747415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.747415][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.747415][ T10] netlink_unicast+0x449/0x710 [ 2147.747415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.747415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.747415][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.747415][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.747415][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.747415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.747415][ T10] [ 2147.749087][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2147.749087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.749087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.749087][ T10] ipv6_find_idev+0x102/0x170 [ 2147.749087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.749087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.749087][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.749087][ T10] netlink_unicast+0x449/0x710 [ 2147.749087][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.749087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.749087][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.749087][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.749087][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.749087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.749087][ T10] [ 2147.750983][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2147.751244][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2147.751244][ T10] netdev_get_by_index+0x5e/0x80 [ 2147.751244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2147.751244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2147.751244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2147.751244][ T10] ipv6_add_addr+0x411/0x2000 [ 2147.751244][ T10] inet6_addr_add+0x30e/0xa40 [ 2147.751244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2147.751244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.751244][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.751244][ T10] netlink_unicast+0x449/0x710 [ 2147.751244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.751244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.751244][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.751244][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.751244][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.751244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.751244][ T10] [ 2147.753583][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2147.753583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2147.753583][ T10] ipv6_find_idev+0x102/0x170 [ 2147.753583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.753583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.753583][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.753583][ T10] netlink_unicast+0x449/0x710 [ 2147.753583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.753583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.753583][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.753583][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.753583][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.753583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.753583][ T10] [ 2147.755296][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2147.755296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2147.755296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2147.755296][ T10] ipv6_find_idev+0x102/0x170 [ 2147.755296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2147.755296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2147.755296][ T10] netlink_rcv_skb+0x130/0x360 [ 2147.755296][ T10] netlink_unicast+0x449/0x710 [ 2147.755296][ T10] netlink_sendmsg+0x723/0xbe0 [ 2147.755296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2147.755296][ T10] ___sys_sendmsg+0xee/0x170 [ 2147.755296][ T10] __sys_sendmsg+0xcd/0x170 [ 2147.755296][ T10] do_syscall_64+0xc6/0x1e0 [ 2147.755296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2147.755296][ T10] [ 2157.909957][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2157.910940][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2157.910940][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.910940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.910940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.910940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.910940][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.910940][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.910940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.910940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.910940][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.910940][ T10] netlink_unicast+0x449/0x710 [ 2157.910940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.910940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.910940][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.910940][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.910940][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.910940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.910940][ T10] [ 2157.913002][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2157.913002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.913002][ T10] ipv6_find_idev+0x102/0x170 [ 2157.913002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.913002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.913002][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.913002][ T10] netlink_unicast+0x449/0x710 [ 2157.913002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.913002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.913002][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.913002][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.913002][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.913002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.913002][ T10] [ 2157.914664][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2157.914664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.914664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.914664][ T10] ipv6_find_idev+0x102/0x170 [ 2157.914664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.914664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.914664][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.914664][ T10] netlink_unicast+0x449/0x710 [ 2157.914664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.914664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.914664][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.914664][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.914664][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.914664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.914664][ T10] [ 2157.916291][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2157.916577][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2157.916577][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.916577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.916577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.916577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.916577][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.916577][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.916577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.916577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.916577][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.916577][ T10] netlink_unicast+0x449/0x710 [ 2157.916577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.916577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.916577][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.916577][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.916577][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.916577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.916577][ T10] [ 2157.918587][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2157.918587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.918587][ T10] ipv6_find_idev+0x102/0x170 [ 2157.918587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.918587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.918587][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.918587][ T10] netlink_unicast+0x449/0x710 [ 2157.918587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.918587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.918587][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.918587][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.918587][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.918587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.918587][ T10] [ 2157.920144][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2157.920144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.920144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.920144][ T10] ipv6_find_idev+0x102/0x170 [ 2157.920144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.920144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.920144][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.920144][ T10] netlink_unicast+0x449/0x710 [ 2157.920144][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.920144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.920144][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.920144][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.920144][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.920144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.920144][ T10] [ 2157.921836][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2157.922116][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2157.922116][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.922116][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.922116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.922116][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.922116][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.922116][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.922116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.922116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.922116][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.922116][ T10] netlink_unicast+0x449/0x710 [ 2157.922116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.922116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.922116][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.922116][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.922116][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.922116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.922116][ T10] [ 2157.924090][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2157.924090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.924090][ T10] ipv6_find_idev+0x102/0x170 [ 2157.924090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.924090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.924090][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.924090][ T10] netlink_unicast+0x449/0x710 [ 2157.924090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.924090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.924090][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.924090][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.924090][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.924090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.924090][ T10] [ 2157.925646][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2157.925646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.925646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.925646][ T10] ipv6_find_idev+0x102/0x170 [ 2157.925646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.925646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.925646][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.925646][ T10] netlink_unicast+0x449/0x710 [ 2157.925646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.925646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.925646][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.925646][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.925646][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.925646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.925646][ T10] [ 2157.927331][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2157.927603][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2157.927603][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.927603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.927603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.927603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.927603][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.927603][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.927603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.927603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.927603][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.927603][ T10] netlink_unicast+0x449/0x710 [ 2157.927603][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.927603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.927603][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.927603][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.927603][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.927603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.927603][ T10] [ 2157.929609][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2157.929609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.929609][ T10] ipv6_find_idev+0x102/0x170 [ 2157.929609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.929609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.929609][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.929609][ T10] netlink_unicast+0x449/0x710 [ 2157.929609][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.929609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.929609][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.929609][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.929609][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.929609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.929609][ T10] [ 2157.931136][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2157.931136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.931136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.931136][ T10] ipv6_find_idev+0x102/0x170 [ 2157.931136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.931136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.931136][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.931136][ T10] netlink_unicast+0x449/0x710 [ 2157.931136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.931136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.931136][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.931136][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.931136][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.931136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.931136][ T10] [ 2157.932811][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2157.933070][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2157.933070][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.933070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.933070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.933070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.933070][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.933070][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.933070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.933070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.933070][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.933070][ T10] netlink_unicast+0x449/0x710 [ 2157.933070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.933070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.933070][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.933070][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.933070][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.933070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.933070][ T10] [ 2157.935042][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2157.935042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.935042][ T10] ipv6_find_idev+0x102/0x170 [ 2157.935042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.935042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.935042][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.935042][ T10] netlink_unicast+0x449/0x710 [ 2157.935042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.935042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.935042][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.935042][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.935042][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.935042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.935042][ T10] [ 2157.936621][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2157.936621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.936621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.936621][ T10] ipv6_find_idev+0x102/0x170 [ 2157.936621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.936621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.936621][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.936621][ T10] netlink_unicast+0x449/0x710 [ 2157.936621][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.936621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.936621][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.936621][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.936621][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.936621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.936621][ T10] [ 2157.938636][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2157.938953][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2157.938953][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.938953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.938953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.938953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.938953][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.938953][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.938953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.938953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.938953][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.938953][ T10] netlink_unicast+0x449/0x710 [ 2157.938953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.938953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.938953][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.938953][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.938953][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.938953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.938953][ T10] [ 2157.941104][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2157.941104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.941104][ T10] ipv6_find_idev+0x102/0x170 [ 2157.941104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.941104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.941104][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.941104][ T10] netlink_unicast+0x449/0x710 [ 2157.941104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.941104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.941104][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.941104][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.941104][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.941104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.941104][ T10] [ 2157.942761][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2157.942761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.942761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.942761][ T10] ipv6_find_idev+0x102/0x170 [ 2157.942761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.942761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.942761][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.942761][ T10] netlink_unicast+0x449/0x710 [ 2157.942761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.942761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.942761][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.942761][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.942761][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.942761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.942761][ T10] [ 2157.944722][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2157.945042][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2157.945042][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.945042][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.945042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.945042][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.945042][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.945042][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.945042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.945042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.945042][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.945042][ T10] netlink_unicast+0x449/0x710 [ 2157.945042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.945042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.945042][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.945042][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.945042][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.945042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.945042][ T10] [ 2157.947228][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2157.947228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.947228][ T10] ipv6_find_idev+0x102/0x170 [ 2157.947228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.947228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.947228][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.947228][ T10] netlink_unicast+0x449/0x710 [ 2157.947228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.947228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.947228][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.947228][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.947228][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.947228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.947228][ T10] [ 2157.948992][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2157.948992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.948992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.948992][ T10] ipv6_find_idev+0x102/0x170 [ 2157.948992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.948992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.948992][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.948992][ T10] netlink_unicast+0x449/0x710 [ 2157.948992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.948992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.948992][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.948992][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.948992][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.948992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.948992][ T10] [ 2157.950895][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2157.951153][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2157.951153][ T10] netdev_get_by_index+0x5e/0x80 [ 2157.951153][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2157.951153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2157.951153][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2157.951153][ T10] ipv6_add_addr+0x411/0x2000 [ 2157.951153][ T10] inet6_addr_add+0x30e/0xa40 [ 2157.951153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2157.951153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.951153][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.951153][ T10] netlink_unicast+0x449/0x710 [ 2157.951153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.951153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.951153][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.951153][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.951153][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.951153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.951153][ T10] [ 2157.953370][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2157.953370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2157.953370][ T10] ipv6_find_idev+0x102/0x170 [ 2157.953370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.953370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.953370][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.953370][ T10] netlink_unicast+0x449/0x710 [ 2157.953370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.953370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.953370][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.953370][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.953370][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.953370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.953370][ T10] [ 2157.955071][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2157.955071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2157.955071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2157.955071][ T10] ipv6_find_idev+0x102/0x170 [ 2157.955071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2157.955071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2157.955071][ T10] netlink_rcv_skb+0x130/0x360 [ 2157.955071][ T10] netlink_unicast+0x449/0x710 [ 2157.955071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2157.955071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2157.955071][ T10] ___sys_sendmsg+0xee/0x170 [ 2157.955071][ T10] __sys_sendmsg+0xcd/0x170 [ 2157.955071][ T10] do_syscall_64+0xc6/0x1e0 [ 2157.955071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2157.955071][ T10] [ 2168.197965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2168.199084][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2168.199084][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.199084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.199084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.199084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.199084][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.199084][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.199084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.199084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.199084][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.199084][ T10] netlink_unicast+0x449/0x710 [ 2168.199084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.199084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.199084][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.199084][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.199084][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.199084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.199084][ T10] [ 2168.201132][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2168.201132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.201132][ T10] ipv6_find_idev+0x102/0x170 [ 2168.201132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.201132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.201132][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.201132][ T10] netlink_unicast+0x449/0x710 [ 2168.201132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.201132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.201132][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.201132][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.201132][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.201132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.201132][ T10] [ 2168.202718][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2168.202718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.202718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.202718][ T10] ipv6_find_idev+0x102/0x170 [ 2168.202718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.202718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.202718][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.202718][ T10] netlink_unicast+0x449/0x710 [ 2168.202718][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.202718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.202718][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.202718][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.202718][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.202718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.202718][ T10] [ 2168.204360][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2168.204639][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2168.204639][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.204639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.204639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.204639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.204639][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.204639][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.204639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.204639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.204639][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.204639][ T10] netlink_unicast+0x449/0x710 [ 2168.204639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.204639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.204639][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.204639][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.204639][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.204639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.204639][ T10] [ 2168.206563][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2168.206563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.206563][ T10] ipv6_find_idev+0x102/0x170 [ 2168.206563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.206563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.206563][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.206563][ T10] netlink_unicast+0x449/0x710 [ 2168.206563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.206563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.206563][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.206563][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.206563][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.206563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.206563][ T10] [ 2168.208065][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2168.208065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.208065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.208065][ T10] ipv6_find_idev+0x102/0x170 [ 2168.208065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.208065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.208065][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.208065][ T10] netlink_unicast+0x449/0x710 [ 2168.208065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.208065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.208065][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.208065][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.208065][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.208065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.208065][ T10] [ 2168.209784][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2168.210048][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2168.210048][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.210048][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.210048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.210048][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.210048][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.210048][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.210048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.210048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.210048][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.210048][ T10] netlink_unicast+0x449/0x710 [ 2168.210048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.210048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.210048][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.210048][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.210048][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.210048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.210048][ T10] [ 2168.212091][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2168.212091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.212091][ T10] ipv6_find_idev+0x102/0x170 [ 2168.212091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.212091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.212091][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.212091][ T10] netlink_unicast+0x449/0x710 [ 2168.212091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.212091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.212091][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.212091][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.212091][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.212091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.212091][ T10] [ 2168.213625][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2168.213625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.213625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.213625][ T10] ipv6_find_idev+0x102/0x170 [ 2168.213625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.213625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.213625][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.213625][ T10] netlink_unicast+0x449/0x710 [ 2168.213625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.213625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.213625][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.213625][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.213625][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.213625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.213625][ T10] [ 2168.215358][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2168.215620][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2168.215620][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.215620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.215620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.215620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.215620][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.215620][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.215620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.215620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.215620][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.215620][ T10] netlink_unicast+0x449/0x710 [ 2168.215620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.215620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.215620][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.215620][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.215620][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.215620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.215620][ T10] [ 2168.217660][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2168.217660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.217660][ T10] ipv6_find_idev+0x102/0x170 [ 2168.217660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.217660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.217660][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.217660][ T10] netlink_unicast+0x449/0x710 [ 2168.217660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.217660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.217660][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.217660][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.217660][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.217660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.217660][ T10] [ 2168.219250][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2168.219250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.219250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.219250][ T10] ipv6_find_idev+0x102/0x170 [ 2168.219250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.219250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.219250][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.219250][ T10] netlink_unicast+0x449/0x710 [ 2168.219250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.219250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.219250][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.219250][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.219250][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.219250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.219250][ T10] [ 2168.220918][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2168.221202][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2168.221202][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.221202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.221202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.221202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.221202][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.221202][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.221202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.221202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.221202][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.221202][ T10] netlink_unicast+0x449/0x710 [ 2168.221202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.221202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.221202][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.221202][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.221202][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.221202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.221202][ T10] [ 2168.223289][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2168.223289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.223289][ T10] ipv6_find_idev+0x102/0x170 [ 2168.223289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.223289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.223289][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.223289][ T10] netlink_unicast+0x449/0x710 [ 2168.223289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.223289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.223289][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.223289][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.223289][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.223289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.223289][ T10] [ 2168.224908][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2168.224908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.224908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.224908][ T10] ipv6_find_idev+0x102/0x170 [ 2168.224908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.224908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.224908][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.224908][ T10] netlink_unicast+0x449/0x710 [ 2168.224908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.224908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.224908][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.224908][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.224908][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.224908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.224908][ T10] [ 2168.227296][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2168.227992][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2168.227992][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.227992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.227992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.227992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.227992][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.227992][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.227992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.227992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.227992][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.227992][ T10] netlink_unicast+0x449/0x710 [ 2168.227992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.227992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.227992][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.227992][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.227992][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.227992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.227992][ T10] [ 2168.230011][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2168.230011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.230011][ T10] ipv6_find_idev+0x102/0x170 [ 2168.230011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.230011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.230011][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.230011][ T10] netlink_unicast+0x449/0x710 [ 2168.230011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.230011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.230011][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.230011][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.230011][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.230011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.230011][ T10] [ 2168.231542][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2168.231542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.231542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.231542][ T10] ipv6_find_idev+0x102/0x170 [ 2168.231542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.231542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.231542][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.231542][ T10] netlink_unicast+0x449/0x710 [ 2168.231542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.231542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.231542][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.231542][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.231542][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.231542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.231542][ T10] [ 2168.233296][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2168.233605][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2168.233605][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.233605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.233605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.233605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.233605][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.233605][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.233605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.233605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.233605][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.233605][ T10] netlink_unicast+0x449/0x710 [ 2168.233605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.233605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.233605][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.233605][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.233605][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.233605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.233605][ T10] [ 2168.236197][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2168.236197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.236197][ T10] ipv6_find_idev+0x102/0x170 [ 2168.236197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.236197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.236197][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.236197][ T10] netlink_unicast+0x449/0x710 [ 2168.236197][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.236197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.236197][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.236197][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.236197][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.236197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.236197][ T10] [ 2168.237917][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2168.237917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.237917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.237917][ T10] ipv6_find_idev+0x102/0x170 [ 2168.237917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.237917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.237917][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.237917][ T10] netlink_unicast+0x449/0x710 [ 2168.237917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.237917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.237917][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.237917][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.237917][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.237917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.237917][ T10] [ 2168.239899][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2168.240210][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2168.240210][ T10] netdev_get_by_index+0x5e/0x80 [ 2168.240210][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2168.240210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2168.240210][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2168.240210][ T10] ipv6_add_addr+0x411/0x2000 [ 2168.240210][ T10] inet6_addr_add+0x30e/0xa40 [ 2168.240210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.240210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.240210][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.240210][ T10] netlink_unicast+0x449/0x710 [ 2168.240210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.240210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.240210][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.240210][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.240210][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.240210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.240210][ T10] [ 2168.242397][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2168.242397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2168.242397][ T10] ipv6_find_idev+0x102/0x170 [ 2168.242397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.242397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.242397][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.242397][ T10] netlink_unicast+0x449/0x710 [ 2168.242397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.242397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.242397][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.242397][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.242397][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.242397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.242397][ T10] [ 2168.244118][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2168.244118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2168.244118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2168.244118][ T10] ipv6_find_idev+0x102/0x170 [ 2168.244118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.244118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.244118][ T10] netlink_rcv_skb+0x130/0x360 [ 2168.244118][ T10] netlink_unicast+0x449/0x710 [ 2168.244118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2168.244118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2168.244118][ T10] ___sys_sendmsg+0xee/0x170 [ 2168.244118][ T10] __sys_sendmsg+0xcd/0x170 [ 2168.244118][ T10] do_syscall_64+0xc6/0x1e0 [ 2168.244118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.244118][ T10] [ 2178.485928][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2178.486465][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2178.486465][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.486465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.486465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.486465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.486465][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.486465][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.486465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.486465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.486465][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.486465][ T10] netlink_unicast+0x449/0x710 [ 2178.486465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.486465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.486465][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.486465][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.486465][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.486465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.486465][ T10] [ 2178.488545][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2178.488545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.488545][ T10] ipv6_find_idev+0x102/0x170 [ 2178.488545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.488545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.488545][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.488545][ T10] netlink_unicast+0x449/0x710 [ 2178.488545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.488545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.488545][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.488545][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.488545][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.488545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.488545][ T10] [ 2178.490065][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2178.490065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.490065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.490065][ T10] ipv6_find_idev+0x102/0x170 [ 2178.490065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.490065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.490065][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.490065][ T10] netlink_unicast+0x449/0x710 [ 2178.490065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.490065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.490065][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.490065][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.490065][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.490065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.490065][ T10] [ 2178.491794][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2178.492069][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2178.492069][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.492069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.492069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.492069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.492069][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.492069][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.492069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.492069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.492069][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.492069][ T10] netlink_unicast+0x449/0x710 [ 2178.492069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.492069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.492069][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.492069][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.492069][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.492069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.492069][ T10] [ 2178.494037][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2178.494037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.494037][ T10] ipv6_find_idev+0x102/0x170 [ 2178.494037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.494037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.494037][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.494037][ T10] netlink_unicast+0x449/0x710 [ 2178.494037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.494037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.494037][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.494037][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.494037][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.494037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.494037][ T10] [ 2178.495560][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2178.495560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.495560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.495560][ T10] ipv6_find_idev+0x102/0x170 [ 2178.495560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.495560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.495560][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.495560][ T10] netlink_unicast+0x449/0x710 [ 2178.495560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.495560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.495560][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.495560][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.495560][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.495560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.495560][ T10] [ 2178.497208][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2178.497503][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2178.497503][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.497503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.497503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.497503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.497503][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.497503][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.497503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.497503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.497503][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.497503][ T10] netlink_unicast+0x449/0x710 [ 2178.497503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.497503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.497503][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.497503][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.497503][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.497503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.497503][ T10] [ 2178.499487][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2178.499487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.499487][ T10] ipv6_find_idev+0x102/0x170 [ 2178.499487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.499487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.499487][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.499487][ T10] netlink_unicast+0x449/0x710 [ 2178.499487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.499487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.499487][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.499487][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.499487][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.499487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.499487][ T10] [ 2178.501023][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2178.501023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.501023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.501023][ T10] ipv6_find_idev+0x102/0x170 [ 2178.501023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.501023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.501023][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.501023][ T10] netlink_unicast+0x449/0x710 [ 2178.501023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.501023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.501023][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.501023][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.501023][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.501023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.501023][ T10] [ 2178.503081][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2178.503349][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2178.503349][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.503349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.503349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.503349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.503349][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.503349][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.503349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.503349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.503349][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.503349][ T10] netlink_unicast+0x449/0x710 [ 2178.503349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.503349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.503349][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.503349][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.503349][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.503349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.503349][ T10] [ 2178.505319][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2178.505319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.505319][ T10] ipv6_find_idev+0x102/0x170 [ 2178.505319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.505319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.505319][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.505319][ T10] netlink_unicast+0x449/0x710 [ 2178.505319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.505319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.505319][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.505319][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.505319][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.505319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.505319][ T10] [ 2178.506838][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2178.506838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.506838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.506838][ T10] ipv6_find_idev+0x102/0x170 [ 2178.506838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.506838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.506838][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.506838][ T10] netlink_unicast+0x449/0x710 [ 2178.506838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.506838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.506838][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.506838][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.506838][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.506838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.506838][ T10] [ 2178.508916][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2178.509179][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2178.509179][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.509179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.509179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.509179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.509179][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.509179][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.509179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.509179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.509179][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.509179][ T10] netlink_unicast+0x449/0x710 [ 2178.509179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.509179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.509179][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.509179][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.509179][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.509179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.509179][ T10] [ 2178.511168][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2178.511168][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.511168][ T10] ipv6_find_idev+0x102/0x170 [ 2178.511168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.511168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.511168][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.511168][ T10] netlink_unicast+0x449/0x710 [ 2178.511168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.511168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.511168][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.511168][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.511168][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.511168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.511168][ T10] [ 2178.512695][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2178.512695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.512695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.512695][ T10] ipv6_find_idev+0x102/0x170 [ 2178.512695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.512695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.512695][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.512695][ T10] netlink_unicast+0x449/0x710 [ 2178.512695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.512695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.512695][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.512695][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.512695][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.512695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.512695][ T10] [ 2178.514420][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2178.514679][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2178.514679][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.514679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.514679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.514679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.514679][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.514679][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.514679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.514679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.514679][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.514679][ T10] netlink_unicast+0x449/0x710 [ 2178.514679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.514679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.514679][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.514679][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.514679][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.514679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.514679][ T10] [ 2178.516783][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2178.516783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.516783][ T10] ipv6_find_idev+0x102/0x170 [ 2178.516783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.516783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.516783][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.516783][ T10] netlink_unicast+0x449/0x710 [ 2178.516783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.516783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.516783][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.516783][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.516783][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.516783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.516783][ T10] [ 2178.518561][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2178.518561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.518561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.518561][ T10] ipv6_find_idev+0x102/0x170 [ 2178.518561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.518561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.518561][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.518561][ T10] netlink_unicast+0x449/0x710 [ 2178.518561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.518561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.518561][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.518561][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.518561][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.518561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.518561][ T10] [ 2178.520472][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2178.520742][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2178.520742][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.520742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.520742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.520742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.520742][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.520742][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.520742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.520742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.520742][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.520742][ T10] netlink_unicast+0x449/0x710 [ 2178.520742][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.520742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.520742][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.520742][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.520742][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.520742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.520742][ T10] [ 2178.522916][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2178.522916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.522916][ T10] ipv6_find_idev+0x102/0x170 [ 2178.522916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.522916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.522916][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.522916][ T10] netlink_unicast+0x449/0x710 [ 2178.522916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.522916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.522916][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.522916][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.522916][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.522916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.522916][ T10] [ 2178.524575][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2178.524575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.524575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.524575][ T10] ipv6_find_idev+0x102/0x170 [ 2178.524575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.524575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.524575][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.524575][ T10] netlink_unicast+0x449/0x710 [ 2178.524575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.524575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.524575][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.524575][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.524575][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.524575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.524575][ T10] [ 2178.526457][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2178.526716][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2178.526716][ T10] netdev_get_by_index+0x5e/0x80 [ 2178.526716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2178.526716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2178.526716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2178.526716][ T10] ipv6_add_addr+0x411/0x2000 [ 2178.526716][ T10] inet6_addr_add+0x30e/0xa40 [ 2178.526716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.526716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.526716][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.526716][ T10] netlink_unicast+0x449/0x710 [ 2178.526716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.526716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.526716][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.526716][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.526716][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.526716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.526716][ T10] [ 2178.529010][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2178.529010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2178.529010][ T10] ipv6_find_idev+0x102/0x170 [ 2178.529010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.529010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.529010][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.529010][ T10] netlink_unicast+0x449/0x710 [ 2178.529010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.529010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.529010][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.529010][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.529010][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.529010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.529010][ T10] [ 2178.530698][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2178.530698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2178.530698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2178.530698][ T10] ipv6_find_idev+0x102/0x170 [ 2178.530698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.530698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.530698][ T10] netlink_rcv_skb+0x130/0x360 [ 2178.530698][ T10] netlink_unicast+0x449/0x710 [ 2178.530698][ T10] netlink_sendmsg+0x723/0xbe0 [ 2178.530698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2178.530698][ T10] ___sys_sendmsg+0xee/0x170 [ 2178.530698][ T10] __sys_sendmsg+0xcd/0x170 [ 2178.530698][ T10] do_syscall_64+0xc6/0x1e0 [ 2178.530698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.530698][ T10] [ 2188.838048][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2188.839105][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2188.839105][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.839105][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.839105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.839105][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.839105][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.839105][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.839105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.839105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.839105][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.839105][ T10] netlink_unicast+0x449/0x710 [ 2188.839105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.839105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.839105][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.839105][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.839105][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.839105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.839105][ T10] [ 2188.841094][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2188.841094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.841094][ T10] ipv6_find_idev+0x102/0x170 [ 2188.841094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.841094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.841094][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.841094][ T10] netlink_unicast+0x449/0x710 [ 2188.841094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.841094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.841094][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.841094][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.841094][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.841094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.841094][ T10] [ 2188.842651][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2188.842651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.842651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.842651][ T10] ipv6_find_idev+0x102/0x170 [ 2188.842651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.842651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.842651][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.842651][ T10] netlink_unicast+0x449/0x710 [ 2188.842651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.842651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.842651][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.842651][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.842651][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.842651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.842651][ T10] [ 2188.844303][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2188.844591][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2188.844591][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.844591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.844591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.844591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.844591][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.844591][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.844591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.844591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.844591][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.844591][ T10] netlink_unicast+0x449/0x710 [ 2188.844591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.844591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.844591][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.844591][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.844591][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.844591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.844591][ T10] [ 2188.846586][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2188.846586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.846586][ T10] ipv6_find_idev+0x102/0x170 [ 2188.846586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.846586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.846586][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.846586][ T10] netlink_unicast+0x449/0x710 [ 2188.846586][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.846586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.846586][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.846586][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.846586][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.846586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.846586][ T10] [ 2188.848085][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2188.848085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.848085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.848085][ T10] ipv6_find_idev+0x102/0x170 [ 2188.848085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.848085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.848085][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.848085][ T10] netlink_unicast+0x449/0x710 [ 2188.848085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.848085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.848085][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.848085][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.848085][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.848085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.848085][ T10] [ 2188.849764][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2188.850052][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2188.850052][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.850052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.850052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.850052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.850052][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.850052][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.850052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.850052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.850052][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.850052][ T10] netlink_unicast+0x449/0x710 [ 2188.850052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.850052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.850052][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.850052][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.850052][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.850052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.850052][ T10] [ 2188.852062][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2188.852062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.852062][ T10] ipv6_find_idev+0x102/0x170 [ 2188.852062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.852062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.852062][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.852062][ T10] netlink_unicast+0x449/0x710 [ 2188.852062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.852062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.852062][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.852062][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.852062][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.852062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.852062][ T10] [ 2188.853584][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2188.853584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.853584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.853584][ T10] ipv6_find_idev+0x102/0x170 [ 2188.853584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.853584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.853584][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.853584][ T10] netlink_unicast+0x449/0x710 [ 2188.853584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.853584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.853584][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.853584][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.853584][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.853584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.853584][ T10] [ 2188.855277][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2188.855542][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2188.855542][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.855542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.855542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.855542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.855542][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.855542][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.855542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.855542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.855542][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.855542][ T10] netlink_unicast+0x449/0x710 [ 2188.855542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.855542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.855542][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.855542][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.855542][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.855542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.855542][ T10] [ 2188.857543][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2188.857543][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.857543][ T10] ipv6_find_idev+0x102/0x170 [ 2188.857543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.857543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.857543][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.857543][ T10] netlink_unicast+0x449/0x710 [ 2188.857543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.857543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.857543][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.857543][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.857543][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.857543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.857543][ T10] [ 2188.859069][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2188.859069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.859069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.859069][ T10] ipv6_find_idev+0x102/0x170 [ 2188.859069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.859069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.859069][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.859069][ T10] netlink_unicast+0x449/0x710 [ 2188.859069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.859069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.859069][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.859069][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.859069][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.859069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.859069][ T10] [ 2188.860744][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2188.861438][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2188.861438][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.861438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.861438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.861438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.861438][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.861438][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.861438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.861438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.861438][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.861438][ T10] netlink_unicast+0x449/0x710 [ 2188.861438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.861438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.861438][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.861438][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.861438][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.861438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.861438][ T10] [ 2188.863425][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2188.863425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.863425][ T10] ipv6_find_idev+0x102/0x170 [ 2188.863425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.863425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.863425][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.863425][ T10] netlink_unicast+0x449/0x710 [ 2188.863425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.863425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.863425][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.863425][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.863425][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.863425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.863425][ T10] [ 2188.864963][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2188.864963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.864963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.864963][ T10] ipv6_find_idev+0x102/0x170 [ 2188.864963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.864963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.864963][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.864963][ T10] netlink_unicast+0x449/0x710 [ 2188.864963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.864963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.864963][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.864963][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.864963][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.864963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.864963][ T10] [ 2188.866707][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2188.867024][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2188.867024][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.867024][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.867024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.867024][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.867024][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.867024][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.867024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.867024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.867024][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.867024][ T10] netlink_unicast+0x449/0x710 [ 2188.867024][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.867024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.867024][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.867024][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.867024][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.867024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.867024][ T10] [ 2188.869107][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2188.869107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.869107][ T10] ipv6_find_idev+0x102/0x170 [ 2188.869107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.869107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.869107][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.869107][ T10] netlink_unicast+0x449/0x710 [ 2188.869107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.869107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.869107][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.869107][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.869107][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.869107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.869107][ T10] [ 2188.870858][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2188.870858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.870858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.870858][ T10] ipv6_find_idev+0x102/0x170 [ 2188.870858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.870858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.870858][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.870858][ T10] netlink_unicast+0x449/0x710 [ 2188.870858][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.870858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.870858][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.870858][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.870858][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.870858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.870858][ T10] [ 2188.872780][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2188.873043][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2188.873043][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.873043][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.873043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.873043][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.873043][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.873043][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.873043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.873043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.873043][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.873043][ T10] netlink_unicast+0x449/0x710 [ 2188.873043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.873043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.873043][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.873043][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.873043][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.873043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.873043][ T10] [ 2188.875282][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2188.875282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.875282][ T10] ipv6_find_idev+0x102/0x170 [ 2188.875282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.875282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.875282][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.875282][ T10] netlink_unicast+0x449/0x710 [ 2188.875282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.875282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.875282][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.875282][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.875282][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.875282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.875282][ T10] [ 2188.876997][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2188.876997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.876997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.876997][ T10] ipv6_find_idev+0x102/0x170 [ 2188.876997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.876997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.876997][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.876997][ T10] netlink_unicast+0x449/0x710 [ 2188.876997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.876997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.876997][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.876997][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.876997][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.876997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.876997][ T10] [ 2188.878976][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2188.879256][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2188.879256][ T10] netdev_get_by_index+0x5e/0x80 [ 2188.879256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2188.879256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2188.879256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2188.879256][ T10] ipv6_add_addr+0x411/0x2000 [ 2188.879256][ T10] inet6_addr_add+0x30e/0xa40 [ 2188.879256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2188.879256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.879256][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.879256][ T10] netlink_unicast+0x449/0x710 [ 2188.879256][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.879256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.879256][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.879256][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.879256][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.879256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.879256][ T10] [ 2188.881571][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2188.881571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2188.881571][ T10] ipv6_find_idev+0x102/0x170 [ 2188.881571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.881571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.881571][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.881571][ T10] netlink_unicast+0x449/0x710 [ 2188.881571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.881571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.881571][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.881571][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.881571][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.881571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.881571][ T10] [ 2188.883222][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2188.883222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2188.883222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2188.883222][ T10] ipv6_find_idev+0x102/0x170 [ 2188.883222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2188.883222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2188.883222][ T10] netlink_rcv_skb+0x130/0x360 [ 2188.883222][ T10] netlink_unicast+0x449/0x710 [ 2188.883222][ T10] netlink_sendmsg+0x723/0xbe0 [ 2188.883222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2188.883222][ T10] ___sys_sendmsg+0xee/0x170 [ 2188.883222][ T10] __sys_sendmsg+0xcd/0x170 [ 2188.883222][ T10] do_syscall_64+0xc6/0x1e0 [ 2188.883222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2188.883222][ T10] [ 2199.126047][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2199.126598][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2199.126598][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.126598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.126598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.126598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.126598][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.126598][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.126598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.126598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.126598][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.126598][ T10] netlink_unicast+0x449/0x710 [ 2199.126598][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.126598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.126598][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.126598][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.126598][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.126598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.126598][ T10] [ 2199.128596][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2199.128596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.128596][ T10] ipv6_find_idev+0x102/0x170 [ 2199.128596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.128596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.128596][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.128596][ T10] netlink_unicast+0x449/0x710 [ 2199.128596][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.128596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.128596][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.128596][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.128596][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.128596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.128596][ T10] [ 2199.130084][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2199.130084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.130084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.130084][ T10] ipv6_find_idev+0x102/0x170 [ 2199.130084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.130084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.130084][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.130084][ T10] netlink_unicast+0x449/0x710 [ 2199.130084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.130084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.130084][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.130084][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.130084][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.130084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.130084][ T10] [ 2199.131750][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2199.132034][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2199.132034][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.132034][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.132034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.132034][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.132034][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.132034][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.132034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.132034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.132034][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.132034][ T10] netlink_unicast+0x449/0x710 [ 2199.132034][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.132034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.132034][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.132034][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.132034][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.132034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.132034][ T10] [ 2199.134032][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2199.134032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.134032][ T10] ipv6_find_idev+0x102/0x170 [ 2199.134032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.134032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.134032][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.134032][ T10] netlink_unicast+0x449/0x710 [ 2199.134032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.134032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.134032][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.134032][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.134032][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.134032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.134032][ T10] [ 2199.135557][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2199.135557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.135557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.135557][ T10] ipv6_find_idev+0x102/0x170 [ 2199.135557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.135557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.135557][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.135557][ T10] netlink_unicast+0x449/0x710 [ 2199.135557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.135557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.135557][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.135557][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.135557][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.135557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.135557][ T10] [ 2199.137205][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2199.137466][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2199.137466][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.137466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.137466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.137466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.137466][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.137466][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.137466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.137466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.137466][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.137466][ T10] netlink_unicast+0x449/0x710 [ 2199.137466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.137466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.137466][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.137466][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.137466][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.137466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.137466][ T10] [ 2199.139441][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2199.139441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.139441][ T10] ipv6_find_idev+0x102/0x170 [ 2199.139441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.139441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.139441][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.139441][ T10] netlink_unicast+0x449/0x710 [ 2199.139441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.139441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.139441][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.139441][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.139441][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.139441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.139441][ T10] [ 2199.141514][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2199.141514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.141514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.141514][ T10] ipv6_find_idev+0x102/0x170 [ 2199.141514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.141514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.141514][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.141514][ T10] netlink_unicast+0x449/0x710 [ 2199.141514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.141514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.141514][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.141514][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.141514][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.141514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.141514][ T10] [ 2199.143183][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2199.143449][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2199.143449][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.143449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.143449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.143449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.143449][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.143449][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.143449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.143449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.143449][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.143449][ T10] netlink_unicast+0x449/0x710 [ 2199.143449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.143449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.143449][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.143449][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.143449][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.143449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.143449][ T10] [ 2199.145441][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2199.145441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.145441][ T10] ipv6_find_idev+0x102/0x170 [ 2199.145441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.145441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.145441][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.145441][ T10] netlink_unicast+0x449/0x710 [ 2199.145441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.145441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.145441][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.145441][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.145441][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.145441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.145441][ T10] [ 2199.146973][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2199.146973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.146973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.146973][ T10] ipv6_find_idev+0x102/0x170 [ 2199.146973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.146973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.146973][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.146973][ T10] netlink_unicast+0x449/0x710 [ 2199.146973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.146973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.146973][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.146973][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.146973][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.146973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.146973][ T10] [ 2199.149033][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2199.149303][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2199.149303][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.149303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.149303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.149303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.149303][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.149303][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.149303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.149303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.149303][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.149303][ T10] netlink_unicast+0x449/0x710 [ 2199.149303][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.149303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.149303][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.149303][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.149303][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.149303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.149303][ T10] [ 2199.151644][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2199.151644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.151644][ T10] ipv6_find_idev+0x102/0x170 [ 2199.151644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.151644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.151644][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.151644][ T10] netlink_unicast+0x449/0x710 [ 2199.151644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.151644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.151644][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.151644][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.151644][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.151644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.151644][ T10] [ 2199.153162][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2199.153162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.153162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.153162][ T10] ipv6_find_idev+0x102/0x170 [ 2199.153162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.153162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.153162][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.153162][ T10] netlink_unicast+0x449/0x710 [ 2199.153162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.153162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.153162][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.153162][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.153162][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.153162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.153162][ T10] [ 2199.154848][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2199.155110][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2199.155110][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.155110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.155110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.155110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.155110][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.155110][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.155110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.155110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.155110][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.155110][ T10] netlink_unicast+0x449/0x710 [ 2199.155110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.155110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.155110][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.155110][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.155110][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.155110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.155110][ T10] [ 2199.157212][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2199.157212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.157212][ T10] ipv6_find_idev+0x102/0x170 [ 2199.157212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.157212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.157212][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.157212][ T10] netlink_unicast+0x449/0x710 [ 2199.157212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.157212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.157212][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.157212][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.157212][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.157212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.157212][ T10] [ 2199.158866][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2199.158866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.158866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.158866][ T10] ipv6_find_idev+0x102/0x170 [ 2199.158866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.158866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.158866][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.158866][ T10] netlink_unicast+0x449/0x710 [ 2199.158866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.158866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.158866][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.158866][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.158866][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.158866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.158866][ T10] [ 2199.160840][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2199.161101][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2199.161101][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.161101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.161101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.161101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.161101][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.161101][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.161101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.161101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.161101][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.161101][ T10] netlink_unicast+0x449/0x710 [ 2199.161101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.161101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.161101][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.161101][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.161101][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.161101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.161101][ T10] [ 2199.163448][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2199.163448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.163448][ T10] ipv6_find_idev+0x102/0x170 [ 2199.163448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.163448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.163448][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.163448][ T10] netlink_unicast+0x449/0x710 [ 2199.163448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.163448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.163448][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.163448][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.163448][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.163448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.163448][ T10] [ 2199.165151][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2199.165151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.165151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.165151][ T10] ipv6_find_idev+0x102/0x170 [ 2199.165151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.165151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.165151][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.165151][ T10] netlink_unicast+0x449/0x710 [ 2199.165151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.165151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.165151][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.165151][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.165151][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.165151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.165151][ T10] [ 2199.167030][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2199.167297][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2199.167297][ T10] netdev_get_by_index+0x5e/0x80 [ 2199.167297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2199.167297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2199.167297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2199.167297][ T10] ipv6_add_addr+0x411/0x2000 [ 2199.167297][ T10] inet6_addr_add+0x30e/0xa40 [ 2199.167297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.167297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.167297][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.167297][ T10] netlink_unicast+0x449/0x710 [ 2199.167297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.167297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.167297][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.167297][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.167297][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.167297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.167297][ T10] [ 2199.169568][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2199.169568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2199.169568][ T10] ipv6_find_idev+0x102/0x170 [ 2199.169568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.169568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.169568][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.169568][ T10] netlink_unicast+0x449/0x710 [ 2199.169568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.169568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.169568][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.169568][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.169568][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.169568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.169568][ T10] [ 2199.171202][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2199.171202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2199.171202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2199.171202][ T10] ipv6_find_idev+0x102/0x170 [ 2199.171202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.171202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.171202][ T10] netlink_rcv_skb+0x130/0x360 [ 2199.171202][ T10] netlink_unicast+0x449/0x710 [ 2199.171202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2199.171202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2199.171202][ T10] ___sys_sendmsg+0xee/0x170 [ 2199.171202][ T10] __sys_sendmsg+0xcd/0x170 [ 2199.171202][ T10] do_syscall_64+0xc6/0x1e0 [ 2199.171202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.171202][ T10] [ 2209.181962][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2209.183081][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2209.183081][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.183081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.183081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.183081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.183081][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.183081][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.183081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.183081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.183081][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.183081][ T10] netlink_unicast+0x449/0x710 [ 2209.183081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.183081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.183081][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.183081][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.183081][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.183081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.183081][ T10] [ 2209.185177][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2209.185177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.185177][ T10] ipv6_find_idev+0x102/0x170 [ 2209.185177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.185177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.185177][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.185177][ T10] netlink_unicast+0x449/0x710 [ 2209.185177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.185177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.185177][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.185177][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.185177][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.185177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.185177][ T10] [ 2209.186666][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2209.186666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.186666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.186666][ T10] ipv6_find_idev+0x102/0x170 [ 2209.186666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.186666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.186666][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.186666][ T10] netlink_unicast+0x449/0x710 [ 2209.186666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.186666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.186666][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.186666][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.186666][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.186666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.186666][ T10] [ 2209.188376][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2209.188647][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2209.188647][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.188647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.188647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.188647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.188647][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.188647][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.188647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.188647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.188647][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.188647][ T10] netlink_unicast+0x449/0x710 [ 2209.188647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.188647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.188647][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.188647][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.188647][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.188647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.188647][ T10] [ 2209.190697][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2209.190697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.190697][ T10] ipv6_find_idev+0x102/0x170 [ 2209.190697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.190697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.190697][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.190697][ T10] netlink_unicast+0x449/0x710 [ 2209.190697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.190697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.190697][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.190697][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.190697][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.190697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.190697][ T10] [ 2209.192667][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2209.192667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.192667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.192667][ T10] ipv6_find_idev+0x102/0x170 [ 2209.192667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.192667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.192667][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.192667][ T10] netlink_unicast+0x449/0x710 [ 2209.192667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.192667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.192667][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.192667][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.192667][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.192667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.192667][ T10] [ 2209.194361][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2209.194644][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2209.194644][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.194644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.194644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.194644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.194644][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.194644][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.194644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.194644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.194644][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.194644][ T10] netlink_unicast+0x449/0x710 [ 2209.194644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.194644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.194644][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.194644][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.194644][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.194644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.194644][ T10] [ 2209.196666][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2209.196666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.196666][ T10] ipv6_find_idev+0x102/0x170 [ 2209.196666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.196666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.196666][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.196666][ T10] netlink_unicast+0x449/0x710 [ 2209.196666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.196666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.196666][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.196666][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.196666][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.196666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.196666][ T10] [ 2209.198224][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2209.198224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.198224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.198224][ T10] ipv6_find_idev+0x102/0x170 [ 2209.198224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.198224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.198224][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.198224][ T10] netlink_unicast+0x449/0x710 [ 2209.198224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.198224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.198224][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.198224][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.198224][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.198224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.198224][ T10] [ 2209.199921][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2209.200196][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2209.200196][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.200196][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.200196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.200196][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.200196][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.200196][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.200196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.200196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.200196][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.200196][ T10] netlink_unicast+0x449/0x710 [ 2209.200196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.200196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.200196][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.200196][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.200196][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.200196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.200196][ T10] [ 2209.202224][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2209.202224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.202224][ T10] ipv6_find_idev+0x102/0x170 [ 2209.202224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.202224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.202224][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.202224][ T10] netlink_unicast+0x449/0x710 [ 2209.202224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.202224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.202224][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.202224][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.202224][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.202224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.202224][ T10] [ 2209.203775][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2209.203775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.203775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.203775][ T10] ipv6_find_idev+0x102/0x170 [ 2209.203775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.203775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.203775][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.203775][ T10] netlink_unicast+0x449/0x710 [ 2209.203775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.203775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.203775][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.203775][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.203775][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.203775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.203775][ T10] [ 2209.205420][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2209.205702][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2209.205702][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.205702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.205702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.205702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.205702][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.205702][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.205702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.205702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.205702][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.205702][ T10] netlink_unicast+0x449/0x710 [ 2209.205702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.205702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.205702][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.205702][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.205702][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.205702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.205702][ T10] [ 2209.207695][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2209.207695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.207695][ T10] ipv6_find_idev+0x102/0x170 [ 2209.207695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.207695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.207695][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.207695][ T10] netlink_unicast+0x449/0x710 [ 2209.207695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.207695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.207695][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.207695][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.207695][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.207695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.207695][ T10] [ 2209.209310][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2209.209310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.209310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.209310][ T10] ipv6_find_idev+0x102/0x170 [ 2209.209310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.209310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.209310][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.209310][ T10] netlink_unicast+0x449/0x710 [ 2209.209310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.209310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.209310][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.209310][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.209310][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.209310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.209310][ T10] [ 2209.211711][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2209.212408][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2209.212408][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.212408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.212408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.212408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.212408][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.212408][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.212408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.212408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.212408][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.212408][ T10] netlink_unicast+0x449/0x710 [ 2209.212408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.212408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.212408][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.212408][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.212408][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.212408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.212408][ T10] [ 2209.214400][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2209.214400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.214400][ T10] ipv6_find_idev+0x102/0x170 [ 2209.214400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.214400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.214400][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.214400][ T10] netlink_unicast+0x449/0x710 [ 2209.214400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.214400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.214400][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.214400][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.214400][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.214400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.214400][ T10] [ 2209.215926][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2209.215926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.215926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.215926][ T10] ipv6_find_idev+0x102/0x170 [ 2209.215926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.215926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.215926][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.215926][ T10] netlink_unicast+0x449/0x710 [ 2209.215926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.215926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.215926][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.215926][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.215926][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.215926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.215926][ T10] [ 2209.217641][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2209.217965][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2209.217965][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.217965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.217965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.217965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.217965][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.217965][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.217965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.217965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.217965][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.217965][ T10] netlink_unicast+0x449/0x710 [ 2209.217965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.217965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.217965][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.217965][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.217965][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.217965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.217965][ T10] [ 2209.220010][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2209.220010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.220010][ T10] ipv6_find_idev+0x102/0x170 [ 2209.220010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.220010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.220010][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.220010][ T10] netlink_unicast+0x449/0x710 [ 2209.220010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.220010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.220010][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.220010][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.220010][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.220010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.220010][ T10] [ 2209.221717][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2209.221717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.221717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.221717][ T10] ipv6_find_idev+0x102/0x170 [ 2209.221717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.221717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.221717][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.221717][ T10] netlink_unicast+0x449/0x710 [ 2209.221717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.221717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.221717][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.221717][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.221717][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.221717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.221717][ T10] [ 2209.223682][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2209.224005][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2209.224005][ T10] netdev_get_by_index+0x5e/0x80 [ 2209.224005][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2209.224005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2209.224005][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2209.224005][ T10] ipv6_add_addr+0x411/0x2000 [ 2209.224005][ T10] inet6_addr_add+0x30e/0xa40 [ 2209.224005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.224005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.224005][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.224005][ T10] netlink_unicast+0x449/0x710 [ 2209.224005][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.224005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.224005][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.224005][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.224005][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.224005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.224005][ T10] [ 2209.226194][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2209.226194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2209.226194][ T10] ipv6_find_idev+0x102/0x170 [ 2209.226194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.226194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.226194][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.226194][ T10] netlink_unicast+0x449/0x710 [ 2209.226194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.226194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.226194][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.226194][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.226194][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.226194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.226194][ T10] [ 2209.227900][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2209.227900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2209.227900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2209.227900][ T10] ipv6_find_idev+0x102/0x170 [ 2209.227900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.227900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.227900][ T10] netlink_rcv_skb+0x130/0x360 [ 2209.227900][ T10] netlink_unicast+0x449/0x710 [ 2209.227900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2209.227900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2209.227900][ T10] ___sys_sendmsg+0xee/0x170 [ 2209.227900][ T10] __sys_sendmsg+0xcd/0x170 [ 2209.227900][ T10] do_syscall_64+0xc6/0x1e0 [ 2209.227900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.227900][ T10] [ 2219.485958][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2219.486496][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2219.486496][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.486496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.486496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.486496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.486496][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.486496][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.486496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.486496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.486496][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.486496][ T10] netlink_unicast+0x449/0x710 [ 2219.486496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.486496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.486496][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.486496][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.486496][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.486496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.486496][ T10] [ 2219.488557][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2219.488557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.488557][ T10] ipv6_find_idev+0x102/0x170 [ 2219.488557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.488557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.488557][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.488557][ T10] netlink_unicast+0x449/0x710 [ 2219.488557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.488557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.488557][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.488557][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.488557][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.488557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.488557][ T10] [ 2219.490135][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2219.490135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.490135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.490135][ T10] ipv6_find_idev+0x102/0x170 [ 2219.490135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.490135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.490135][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.490135][ T10] netlink_unicast+0x449/0x710 [ 2219.490135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.490135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.490135][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.490135][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.490135][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.490135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.490135][ T10] [ 2219.491870][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2219.492161][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2219.492161][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.492161][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.492161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.492161][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.492161][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.492161][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.492161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.492161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.492161][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.492161][ T10] netlink_unicast+0x449/0x710 [ 2219.492161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.492161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.492161][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.492161][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.492161][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.492161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.492161][ T10] [ 2219.494143][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2219.494143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.494143][ T10] ipv6_find_idev+0x102/0x170 [ 2219.494143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.494143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.494143][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.494143][ T10] netlink_unicast+0x449/0x710 [ 2219.494143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.494143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.494143][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.494143][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.494143][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.494143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.494143][ T10] [ 2219.495663][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2219.495663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.495663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.495663][ T10] ipv6_find_idev+0x102/0x170 [ 2219.495663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.495663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.495663][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.495663][ T10] netlink_unicast+0x449/0x710 [ 2219.495663][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.495663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.495663][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.495663][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.495663][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.495663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.495663][ T10] [ 2219.497366][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2219.497630][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2219.497630][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.497630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.497630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.497630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.497630][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.497630][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.497630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.497630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.497630][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.497630][ T10] netlink_unicast+0x449/0x710 [ 2219.497630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.497630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.497630][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.497630][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.497630][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.497630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.497630][ T10] [ 2219.499644][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2219.499644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.499644][ T10] ipv6_find_idev+0x102/0x170 [ 2219.499644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.499644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.499644][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.499644][ T10] netlink_unicast+0x449/0x710 [ 2219.499644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.499644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.499644][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.499644][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.499644][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.499644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.499644][ T10] [ 2219.501172][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2219.501172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.501172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.501172][ T10] ipv6_find_idev+0x102/0x170 [ 2219.501172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.501172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.501172][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.501172][ T10] netlink_unicast+0x449/0x710 [ 2219.501172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.501172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.501172][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.501172][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.501172][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.501172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.501172][ T10] [ 2219.502864][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2219.503147][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2219.503147][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.503147][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.503147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.503147][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.503147][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.503147][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.503147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.503147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.503147][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.503147][ T10] netlink_unicast+0x449/0x710 [ 2219.503147][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.503147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.503147][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.503147][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.503147][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.503147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.503147][ T10] [ 2219.505140][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2219.505140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.505140][ T10] ipv6_find_idev+0x102/0x170 [ 2219.505140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.505140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.505140][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.505140][ T10] netlink_unicast+0x449/0x710 [ 2219.505140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.505140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.505140][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.505140][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.505140][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.505140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.505140][ T10] [ 2219.506632][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2219.506632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.506632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.506632][ T10] ipv6_find_idev+0x102/0x170 [ 2219.506632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.506632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.506632][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.506632][ T10] netlink_unicast+0x449/0x710 [ 2219.506632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.506632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.506632][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.506632][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.506632][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.506632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.506632][ T10] [ 2219.508688][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2219.509301][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2219.509301][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.509301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.509301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.509301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.509301][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.509301][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.509301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.509301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.509301][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.509301][ T10] netlink_unicast+0x449/0x710 [ 2219.509301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.509301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.509301][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.509301][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.509301][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.509301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.509301][ T10] [ 2219.511293][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2219.511293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.511293][ T10] ipv6_find_idev+0x102/0x170 [ 2219.511293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.511293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.511293][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.511293][ T10] netlink_unicast+0x449/0x710 [ 2219.511293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.511293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.511293][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.511293][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.511293][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.511293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.511293][ T10] [ 2219.512843][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2219.512843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.512843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.512843][ T10] ipv6_find_idev+0x102/0x170 [ 2219.512843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.512843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.512843][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.512843][ T10] netlink_unicast+0x449/0x710 [ 2219.512843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.512843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.512843][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.512843][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.512843][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.512843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.512843][ T10] [ 2219.514491][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2219.514775][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2219.514775][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.514775][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.514775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.514775][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.514775][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.514775][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.514775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.514775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.514775][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.514775][ T10] netlink_unicast+0x449/0x710 [ 2219.514775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.514775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.514775][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.514775][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.514775][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.514775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.514775][ T10] [ 2219.516783][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2219.516783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.516783][ T10] ipv6_find_idev+0x102/0x170 [ 2219.516783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.516783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.516783][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.516783][ T10] netlink_unicast+0x449/0x710 [ 2219.516783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.516783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.516783][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.516783][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.516783][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.516783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.516783][ T10] [ 2219.518383][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2219.518383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.518383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.518383][ T10] ipv6_find_idev+0x102/0x170 [ 2219.518383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.518383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.518383][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.518383][ T10] netlink_unicast+0x449/0x710 [ 2219.518383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.518383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.518383][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.518383][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.518383][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.518383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.518383][ T10] [ 2219.520340][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2219.520606][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2219.520606][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.520606][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.520606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.520606][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.520606][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.520606][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.520606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.520606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.520606][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.520606][ T10] netlink_unicast+0x449/0x710 [ 2219.520606][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.520606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.520606][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.520606][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.520606][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.520606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.520606][ T10] [ 2219.522882][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2219.522882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.522882][ T10] ipv6_find_idev+0x102/0x170 [ 2219.522882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.522882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.522882][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.522882][ T10] netlink_unicast+0x449/0x710 [ 2219.522882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.522882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.522882][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.522882][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.522882][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.522882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.522882][ T10] [ 2219.524631][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2219.524631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.524631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.524631][ T10] ipv6_find_idev+0x102/0x170 [ 2219.524631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.524631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.524631][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.524631][ T10] netlink_unicast+0x449/0x710 [ 2219.524631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.524631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.524631][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.524631][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.524631][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.524631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.524631][ T10] [ 2219.526551][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2219.526815][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2219.526815][ T10] netdev_get_by_index+0x5e/0x80 [ 2219.526815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2219.526815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2219.526815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2219.526815][ T10] ipv6_add_addr+0x411/0x2000 [ 2219.526815][ T10] inet6_addr_add+0x30e/0xa40 [ 2219.526815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.526815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.526815][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.526815][ T10] netlink_unicast+0x449/0x710 [ 2219.526815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.526815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.526815][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.526815][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.526815][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.526815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.526815][ T10] [ 2219.529060][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2219.529060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2219.529060][ T10] ipv6_find_idev+0x102/0x170 [ 2219.529060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.529060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.529060][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.529060][ T10] netlink_unicast+0x449/0x710 [ 2219.529060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.529060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.529060][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.529060][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.529060][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.529060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.529060][ T10] [ 2219.530841][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2219.530841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2219.530841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2219.530841][ T10] ipv6_find_idev+0x102/0x170 [ 2219.530841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.530841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.530841][ T10] netlink_rcv_skb+0x130/0x360 [ 2219.530841][ T10] netlink_unicast+0x449/0x710 [ 2219.530841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2219.530841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2219.530841][ T10] ___sys_sendmsg+0xee/0x170 [ 2219.530841][ T10] __sys_sendmsg+0xcd/0x170 [ 2219.530841][ T10] do_syscall_64+0xc6/0x1e0 [ 2219.530841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.530841][ T10] [ 2229.693992][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2229.694573][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2229.694573][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.694573][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.694573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.694573][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.694573][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.694573][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.694573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.694573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.694573][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.694573][ T10] netlink_unicast+0x449/0x710 [ 2229.694573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.694573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.694573][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.694573][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.694573][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.694573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.694573][ T10] [ 2229.696474][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2229.696474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.696474][ T10] ipv6_find_idev+0x102/0x170 [ 2229.696474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.696474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.696474][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.696474][ T10] netlink_unicast+0x449/0x710 [ 2229.696474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.696474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.696474][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.696474][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.696474][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.696474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.696474][ T10] [ 2229.698047][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2229.698047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.698047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.698047][ T10] ipv6_find_idev+0x102/0x170 [ 2229.698047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.698047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.698047][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.698047][ T10] netlink_unicast+0x449/0x710 [ 2229.698047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.698047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.698047][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.698047][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.698047][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.698047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.698047][ T10] [ 2229.699644][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2229.699936][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2229.699936][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.699936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.699936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.699936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.699936][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.699936][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.699936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.699936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.699936][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.699936][ T10] netlink_unicast+0x449/0x710 [ 2229.699936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.699936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.699936][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.699936][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.699936][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.699936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.699936][ T10] [ 2229.701974][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2229.701974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.701974][ T10] ipv6_find_idev+0x102/0x170 [ 2229.701974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.701974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.701974][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.701974][ T10] netlink_unicast+0x449/0x710 [ 2229.701974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.701974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.701974][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.701974][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.701974][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.701974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.701974][ T10] [ 2229.703500][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2229.703500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.703500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.703500][ T10] ipv6_find_idev+0x102/0x170 [ 2229.703500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.703500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.703500][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.703500][ T10] netlink_unicast+0x449/0x710 [ 2229.703500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.703500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.703500][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.703500][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.703500][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.703500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.703500][ T10] [ 2229.705152][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2229.705425][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2229.705425][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.705425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.705425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.705425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.705425][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.705425][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.705425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.705425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.705425][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.705425][ T10] netlink_unicast+0x449/0x710 [ 2229.705425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.705425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.705425][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.705425][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.705425][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.705425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.705425][ T10] [ 2229.707407][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2229.707407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.707407][ T10] ipv6_find_idev+0x102/0x170 [ 2229.707407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.707407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.707407][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.707407][ T10] netlink_unicast+0x449/0x710 [ 2229.707407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.707407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.707407][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.707407][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.707407][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.707407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.707407][ T10] [ 2229.708931][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2229.708931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.708931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.708931][ T10] ipv6_find_idev+0x102/0x170 [ 2229.708931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.708931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.708931][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.708931][ T10] netlink_unicast+0x449/0x710 [ 2229.708931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.708931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.708931][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.708931][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.708931][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.708931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.708931][ T10] [ 2229.711015][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2229.711612][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2229.711612][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.711612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.711612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.711612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.711612][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.711612][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.711612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.711612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.711612][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.711612][ T10] netlink_unicast+0x449/0x710 [ 2229.711612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.711612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.711612][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.711612][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.711612][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.711612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.711612][ T10] [ 2229.713630][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2229.713630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.713630][ T10] ipv6_find_idev+0x102/0x170 [ 2229.713630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.713630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.713630][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.713630][ T10] netlink_unicast+0x449/0x710 [ 2229.713630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.713630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.713630][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.713630][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.713630][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.713630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.713630][ T10] [ 2229.715267][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2229.715267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.715267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.715267][ T10] ipv6_find_idev+0x102/0x170 [ 2229.715267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.715267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.715267][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.715267][ T10] netlink_unicast+0x449/0x710 [ 2229.715267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.715267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.715267][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.715267][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.715267][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.715267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.715267][ T10] [ 2229.716972][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2229.717239][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2229.717239][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.717239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.717239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.717239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.717239][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.717239][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.717239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.717239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.717239][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.717239][ T10] netlink_unicast+0x449/0x710 [ 2229.717239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.717239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.717239][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.717239][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.717239][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.717239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.717239][ T10] [ 2229.719276][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2229.719276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.719276][ T10] ipv6_find_idev+0x102/0x170 [ 2229.719276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.719276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.719276][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.719276][ T10] netlink_unicast+0x449/0x710 [ 2229.719276][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.719276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.719276][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.719276][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.719276][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.719276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.719276][ T10] [ 2229.720816][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2229.720816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.720816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.720816][ T10] ipv6_find_idev+0x102/0x170 [ 2229.720816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.720816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.720816][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.720816][ T10] netlink_unicast+0x449/0x710 [ 2229.720816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.720816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.720816][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.720816][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.720816][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.720816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.720816][ T10] [ 2229.722559][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2229.722893][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2229.722893][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.722893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.722893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.722893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.722893][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.722893][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.722893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.722893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.722893][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.722893][ T10] netlink_unicast+0x449/0x710 [ 2229.722893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.722893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.722893][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.722893][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.722893][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.722893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.722893][ T10] [ 2229.724918][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2229.724918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.724918][ T10] ipv6_find_idev+0x102/0x170 [ 2229.724918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.724918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.724918][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.724918][ T10] netlink_unicast+0x449/0x710 [ 2229.724918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.724918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.724918][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.724918][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.724918][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.724918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.724918][ T10] [ 2229.726444][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2229.726444][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.726444][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.726444][ T10] ipv6_find_idev+0x102/0x170 [ 2229.726444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.726444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.726444][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.726444][ T10] netlink_unicast+0x449/0x710 [ 2229.726444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.726444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.726444][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.726444][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.726444][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.726444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.726444][ T10] [ 2229.728452][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2229.728765][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2229.728765][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.728765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.728765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.728765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.728765][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.728765][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.728765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.728765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.728765][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.728765][ T10] netlink_unicast+0x449/0x710 [ 2229.728765][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.728765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.728765][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.728765][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.728765][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.728765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.728765][ T10] [ 2229.730972][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2229.730972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.730972][ T10] ipv6_find_idev+0x102/0x170 [ 2229.730972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.730972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.730972][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.730972][ T10] netlink_unicast+0x449/0x710 [ 2229.730972][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.730972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.730972][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.730972][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.730972][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.730972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.730972][ T10] [ 2229.732711][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2229.732711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.732711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.732711][ T10] ipv6_find_idev+0x102/0x170 [ 2229.732711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.732711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.732711][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.732711][ T10] netlink_unicast+0x449/0x710 [ 2229.732711][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.732711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.732711][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.732711][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.732711][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.732711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.732711][ T10] [ 2229.734649][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2229.734971][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2229.734971][ T10] netdev_get_by_index+0x5e/0x80 [ 2229.734971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2229.734971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2229.734971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2229.734971][ T10] ipv6_add_addr+0x411/0x2000 [ 2229.734971][ T10] inet6_addr_add+0x30e/0xa40 [ 2229.734971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.734971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.734971][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.734971][ T10] netlink_unicast+0x449/0x710 [ 2229.734971][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.734971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.734971][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.734971][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.734971][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.734971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.734971][ T10] [ 2229.737186][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2229.737186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2229.737186][ T10] ipv6_find_idev+0x102/0x170 [ 2229.737186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.737186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.737186][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.737186][ T10] netlink_unicast+0x449/0x710 [ 2229.737186][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.737186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.737186][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.737186][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.737186][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.737186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.737186][ T10] [ 2229.738899][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2229.738899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2229.738899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2229.738899][ T10] ipv6_find_idev+0x102/0x170 [ 2229.738899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.738899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.738899][ T10] netlink_rcv_skb+0x130/0x360 [ 2229.738899][ T10] netlink_unicast+0x449/0x710 [ 2229.738899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2229.738899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2229.738899][ T10] ___sys_sendmsg+0xee/0x170 [ 2229.738899][ T10] __sys_sendmsg+0xcd/0x170 [ 2229.738899][ T10] do_syscall_64+0xc6/0x1e0 [ 2229.738899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.738899][ T10] [ 2239.981988][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2239.982542][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2239.982542][ T10] netdev_get_by_index+0x5e/0x80 [ 2239.982542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2239.982542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2239.982542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2239.982542][ T10] ipv6_add_addr+0x411/0x2000 [ 2239.982542][ T10] inet6_addr_add+0x30e/0xa40 [ 2239.982542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2239.982542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.982542][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.982542][ T10] netlink_unicast+0x449/0x710 [ 2239.982542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.982542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.982542][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.982542][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.982542][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.982542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.982542][ T10] [ 2239.984661][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2239.984661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2239.984661][ T10] ipv6_find_idev+0x102/0x170 [ 2239.984661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.984661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.984661][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.984661][ T10] netlink_unicast+0x449/0x710 [ 2239.984661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.984661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.984661][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.984661][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.984661][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.984661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.984661][ T10] [ 2239.986208][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2239.986208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2239.986208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2239.986208][ T10] ipv6_find_idev+0x102/0x170 [ 2239.986208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.986208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.986208][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.986208][ T10] netlink_unicast+0x449/0x710 [ 2239.986208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.986208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.986208][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.986208][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.986208][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.986208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.986208][ T10] [ 2239.987893][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2239.988179][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2239.988179][ T10] netdev_get_by_index+0x5e/0x80 [ 2239.988179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2239.988179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2239.988179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2239.988179][ T10] ipv6_add_addr+0x411/0x2000 [ 2239.988179][ T10] inet6_addr_add+0x30e/0xa40 [ 2239.988179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2239.988179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.988179][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.988179][ T10] netlink_unicast+0x449/0x710 [ 2239.988179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.988179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.988179][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.988179][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.988179][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.988179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.988179][ T10] [ 2239.990203][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2239.990203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2239.990203][ T10] ipv6_find_idev+0x102/0x170 [ 2239.990203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.990203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.990203][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.990203][ T10] netlink_unicast+0x449/0x710 [ 2239.990203][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.990203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.990203][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.990203][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.990203][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.990203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.990203][ T10] [ 2239.991714][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2239.991714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2239.991714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2239.991714][ T10] ipv6_find_idev+0x102/0x170 [ 2239.991714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.991714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.991714][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.991714][ T10] netlink_unicast+0x449/0x710 [ 2239.991714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.991714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.991714][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.991714][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.991714][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.991714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.991714][ T10] [ 2239.993380][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2239.993669][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2239.993669][ T10] netdev_get_by_index+0x5e/0x80 [ 2239.993669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2239.993669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2239.993669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2239.993669][ T10] ipv6_add_addr+0x411/0x2000 [ 2239.993669][ T10] inet6_addr_add+0x30e/0xa40 [ 2239.993669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2239.993669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.993669][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.993669][ T10] netlink_unicast+0x449/0x710 [ 2239.993669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.993669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.993669][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.993669][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.993669][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.993669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.993669][ T10] [ 2239.995671][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2239.995671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2239.995671][ T10] ipv6_find_idev+0x102/0x170 [ 2239.995671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.995671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.995671][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.995671][ T10] netlink_unicast+0x449/0x710 [ 2239.995671][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.995671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.995671][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.995671][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.995671][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.995671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.995671][ T10] [ 2239.997199][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2239.997199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2239.997199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2239.997199][ T10] ipv6_find_idev+0x102/0x170 [ 2239.997199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.997199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.997199][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.997199][ T10] netlink_unicast+0x449/0x710 [ 2239.997199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.997199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.997199][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.997199][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.997199][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.997199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.997199][ T10] [ 2239.998872][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2239.999131][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2239.999131][ T10] netdev_get_by_index+0x5e/0x80 [ 2239.999131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2239.999131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2239.999131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2239.999131][ T10] ipv6_add_addr+0x411/0x2000 [ 2239.999131][ T10] inet6_addr_add+0x30e/0xa40 [ 2239.999131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2239.999131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.999131][ T10] netlink_rcv_skb+0x130/0x360 [ 2239.999131][ T10] netlink_unicast+0x449/0x710 [ 2239.999131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2239.999131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2239.999131][ T10] ___sys_sendmsg+0xee/0x170 [ 2239.999131][ T10] __sys_sendmsg+0xcd/0x170 [ 2239.999131][ T10] do_syscall_64+0xc6/0x1e0 [ 2239.999131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.999131][ T10] [ 2240.001109][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2240.001109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2240.001109][ T10] ipv6_find_idev+0x102/0x170 [ 2240.001109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.001109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.001109][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.001109][ T10] netlink_unicast+0x449/0x710 [ 2240.001109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.001109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.001109][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.001109][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.001109][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.001109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.001109][ T10] [ 2240.002654][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2240.002654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2240.002654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2240.002654][ T10] ipv6_find_idev+0x102/0x170 [ 2240.002654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.002654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.002654][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.002654][ T10] netlink_unicast+0x449/0x710 [ 2240.002654][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.002654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.002654][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.002654][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.002654][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.002654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.002654][ T10] [ 2240.004326][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2240.004593][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2240.004593][ T10] netdev_get_by_index+0x5e/0x80 [ 2240.004593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2240.004593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2240.004593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2240.004593][ T10] ipv6_add_addr+0x411/0x2000 [ 2240.004593][ T10] inet6_addr_add+0x30e/0xa40 [ 2240.004593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2240.004593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.004593][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.004593][ T10] netlink_unicast+0x449/0x710 [ 2240.004593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.004593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.004593][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.004593][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.004593][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.004593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.004593][ T10] [ 2240.006569][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2240.006569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2240.006569][ T10] ipv6_find_idev+0x102/0x170 [ 2240.006569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.006569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.006569][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.006569][ T10] netlink_unicast+0x449/0x710 [ 2240.006569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.006569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.006569][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.006569][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.006569][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.006569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.006569][ T10] [ 2240.008148][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2240.008148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2240.008148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2240.008148][ T10] ipv6_find_idev+0x102/0x170 [ 2240.008148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.008148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.008148][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.008148][ T10] netlink_unicast+0x449/0x710 [ 2240.008148][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.008148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.008148][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.008148][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.008148][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.008148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.008148][ T10] [ 2240.010150][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2240.010413][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2240.010413][ T10] netdev_get_by_index+0x5e/0x80 [ 2240.010413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2240.010413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2240.010413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2240.010413][ T10] ipv6_add_addr+0x411/0x2000 [ 2240.010413][ T10] inet6_addr_add+0x30e/0xa40 [ 2240.010413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2240.010413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.010413][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.010413][ T10] netlink_unicast+0x449/0x710 [ 2240.010413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.010413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.010413][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.010413][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.010413][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.010413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.010413][ T10] [ 2240.012574][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2240.012574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2240.012574][ T10] ipv6_find_idev+0x102/0x170 [ 2240.012574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.012574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.012574][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.012574][ T10] netlink_unicast+0x449/0x710 [ 2240.012574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.012574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.012574][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.012574][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.012574][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.012574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.012574][ T10] [ 2240.014278][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2240.014278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2240.014278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2240.014278][ T10] ipv6_find_idev+0x102/0x170 [ 2240.014278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.014278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.014278][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.014278][ T10] netlink_unicast+0x449/0x710 [ 2240.014278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.014278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.014278][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.014278][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.014278][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.014278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.014278][ T10] [ 2240.016179][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2240.016441][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2240.016441][ T10] netdev_get_by_index+0x5e/0x80 [ 2240.016441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2240.016441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2240.016441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2240.016441][ T10] ipv6_add_addr+0x411/0x2000 [ 2240.016441][ T10] inet6_addr_add+0x30e/0xa40 [ 2240.016441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2240.016441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.016441][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.016441][ T10] netlink_unicast+0x449/0x710 [ 2240.016441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.016441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.016441][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.016441][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.016441][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.016441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.016441][ T10] [ 2240.018588][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2240.018588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2240.018588][ T10] ipv6_find_idev+0x102/0x170 [ 2240.018588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.018588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.018588][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.018588][ T10] netlink_unicast+0x449/0x710 [ 2240.018588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.018588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.018588][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.018588][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.018588][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.018588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.018588][ T10] [ 2240.020357][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2240.020357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2240.020357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2240.020357][ T10] ipv6_find_idev+0x102/0x170 [ 2240.020357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.020357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.020357][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.020357][ T10] netlink_unicast+0x449/0x710 [ 2240.020357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.020357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.020357][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.020357][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.020357][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.020357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.020357][ T10] [ 2240.022301][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2240.022562][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2240.022562][ T10] netdev_get_by_index+0x5e/0x80 [ 2240.022562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2240.022562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2240.022562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2240.022562][ T10] ipv6_add_addr+0x411/0x2000 [ 2240.022562][ T10] inet6_addr_add+0x30e/0xa40 [ 2240.022562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2240.022562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.022562][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.022562][ T10] netlink_unicast+0x449/0x710 [ 2240.022562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.022562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.022562][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.022562][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.022562][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.022562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.022562][ T10] [ 2240.024750][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2240.024750][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2240.024750][ T10] ipv6_find_idev+0x102/0x170 [ 2240.024750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.024750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.024750][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.024750][ T10] netlink_unicast+0x449/0x710 [ 2240.024750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.024750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.024750][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.024750][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.024750][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.024750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.024750][ T10] [ 2240.026448][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2240.026448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2240.026448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2240.026448][ T10] ipv6_find_idev+0x102/0x170 [ 2240.026448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.026448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.026448][ T10] netlink_rcv_skb+0x130/0x360 [ 2240.026448][ T10] netlink_unicast+0x449/0x710 [ 2240.026448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2240.026448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2240.026448][ T10] ___sys_sendmsg+0xee/0x170 [ 2240.026448][ T10] __sys_sendmsg+0xcd/0x170 [ 2240.026448][ T10] do_syscall_64+0xc6/0x1e0 [ 2240.026448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.026448][ T10] [ 2250.269953][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2250.270537][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2250.270537][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.270537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.270537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.270537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.270537][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.270537][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.270537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.270537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.270537][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.270537][ T10] netlink_unicast+0x449/0x710 [ 2250.270537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.270537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.270537][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.270537][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.270537][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.270537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.270537][ T10] [ 2250.272540][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2250.272540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.272540][ T10] ipv6_find_idev+0x102/0x170 [ 2250.272540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.272540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.272540][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.272540][ T10] netlink_unicast+0x449/0x710 [ 2250.272540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.272540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.272540][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.272540][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.272540][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.272540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.272540][ T10] [ 2250.274078][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2250.274078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.274078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.274078][ T10] ipv6_find_idev+0x102/0x170 [ 2250.274078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.274078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.274078][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.274078][ T10] netlink_unicast+0x449/0x710 [ 2250.274078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.274078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.274078][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.274078][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.274078][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.274078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.274078][ T10] [ 2250.275753][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2250.276057][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2250.276057][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.276057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.276057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.276057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.276057][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.276057][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.276057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.276057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.276057][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.276057][ T10] netlink_unicast+0x449/0x710 [ 2250.276057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.276057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.276057][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.276057][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.276057][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.276057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.276057][ T10] [ 2250.278074][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2250.278074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.278074][ T10] ipv6_find_idev+0x102/0x170 [ 2250.278074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.278074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.278074][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.278074][ T10] netlink_unicast+0x449/0x710 [ 2250.278074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.278074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.278074][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.278074][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.278074][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.278074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.278074][ T10] [ 2250.279573][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2250.279573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.279573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.279573][ T10] ipv6_find_idev+0x102/0x170 [ 2250.279573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.279573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.279573][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.279573][ T10] netlink_unicast+0x449/0x710 [ 2250.279573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.279573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.279573][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.279573][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.279573][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.279573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.279573][ T10] [ 2250.281198][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2250.281469][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2250.281469][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.281469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.281469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.281469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.281469][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.281469][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.281469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.281469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.281469][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.281469][ T10] netlink_unicast+0x449/0x710 [ 2250.281469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.281469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.281469][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.281469][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.281469][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.281469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.281469][ T10] [ 2250.283468][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2250.283468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.283468][ T10] ipv6_find_idev+0x102/0x170 [ 2250.283468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.283468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.283468][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.283468][ T10] netlink_unicast+0x449/0x710 [ 2250.283468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.283468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.283468][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.283468][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.283468][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.283468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.283468][ T10] [ 2250.284972][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2250.284972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.284972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.284972][ T10] ipv6_find_idev+0x102/0x170 [ 2250.284972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.284972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.284972][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.284972][ T10] netlink_unicast+0x449/0x710 [ 2250.284972][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.284972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.284972][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.284972][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.284972][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.284972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.284972][ T10] [ 2250.286657][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2250.287359][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2250.287359][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.287359][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.287359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.287359][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.287359][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.287359][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.287359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.287359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.287359][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.287359][ T10] netlink_unicast+0x449/0x710 [ 2250.287359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.287359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.287359][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.287359][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.287359][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.287359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.287359][ T10] [ 2250.289370][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2250.289370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.289370][ T10] ipv6_find_idev+0x102/0x170 [ 2250.289370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.289370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.289370][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.289370][ T10] netlink_unicast+0x449/0x710 [ 2250.289370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.289370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.289370][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.289370][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.289370][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.289370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.289370][ T10] [ 2250.290919][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2250.290919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.290919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.290919][ T10] ipv6_find_idev+0x102/0x170 [ 2250.290919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.290919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.290919][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.290919][ T10] netlink_unicast+0x449/0x710 [ 2250.290919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.290919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.290919][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.290919][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.290919][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.290919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.290919][ T10] [ 2250.292631][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2250.292963][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2250.292963][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.292963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.292963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.292963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.292963][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.292963][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.292963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.292963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.292963][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.292963][ T10] netlink_unicast+0x449/0x710 [ 2250.292963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.292963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.292963][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.292963][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.292963][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.292963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.292963][ T10] [ 2250.294944][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2250.294944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.294944][ T10] ipv6_find_idev+0x102/0x170 [ 2250.294944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.294944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.294944][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.294944][ T10] netlink_unicast+0x449/0x710 [ 2250.294944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.294944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.294944][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.294944][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.294944][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.294944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.294944][ T10] [ 2250.296979][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2250.296979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.296979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.296979][ T10] ipv6_find_idev+0x102/0x170 [ 2250.296979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.296979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.296979][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.296979][ T10] netlink_unicast+0x449/0x710 [ 2250.296979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.296979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.296979][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.296979][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.296979][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.296979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.296979][ T10] [ 2250.298717][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2250.299047][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2250.299047][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.299047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.299047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.299047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.299047][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.299047][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.299047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.299047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.299047][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.299047][ T10] netlink_unicast+0x449/0x710 [ 2250.299047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.299047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.299047][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.299047][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.299047][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.299047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.299047][ T10] [ 2250.301085][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2250.301085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.301085][ T10] ipv6_find_idev+0x102/0x170 [ 2250.301085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.301085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.301085][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.301085][ T10] netlink_unicast+0x449/0x710 [ 2250.301085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.301085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.301085][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.301085][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.301085][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.301085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.301085][ T10] [ 2250.302864][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2250.302864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.302864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.302864][ T10] ipv6_find_idev+0x102/0x170 [ 2250.302864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.302864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.302864][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.302864][ T10] netlink_unicast+0x449/0x710 [ 2250.302864][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.302864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.302864][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.302864][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.302864][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.302864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.302864][ T10] [ 2250.304745][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2250.305067][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2250.305067][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.305067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.305067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.305067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.305067][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.305067][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.305067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.305067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.305067][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.305067][ T10] netlink_unicast+0x449/0x710 [ 2250.305067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.305067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.305067][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.305067][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.305067][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.305067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.305067][ T10] [ 2250.307284][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2250.307284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.307284][ T10] ipv6_find_idev+0x102/0x170 [ 2250.307284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.307284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.307284][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.307284][ T10] netlink_unicast+0x449/0x710 [ 2250.307284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.307284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.307284][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.307284][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.307284][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.307284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.307284][ T10] [ 2250.308978][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2250.308978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.308978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.308978][ T10] ipv6_find_idev+0x102/0x170 [ 2250.308978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.308978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.308978][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.308978][ T10] netlink_unicast+0x449/0x710 [ 2250.308978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.308978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.308978][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.308978][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.308978][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.308978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.308978][ T10] [ 2250.310925][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2250.311242][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2250.311242][ T10] netdev_get_by_index+0x5e/0x80 [ 2250.311242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2250.311242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2250.311242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2250.311242][ T10] ipv6_add_addr+0x411/0x2000 [ 2250.311242][ T10] inet6_addr_add+0x30e/0xa40 [ 2250.311242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.311242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.311242][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.311242][ T10] netlink_unicast+0x449/0x710 [ 2250.311242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.311242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.311242][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.311242][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.311242][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.311242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.311242][ T10] [ 2250.313821][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2250.313821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2250.313821][ T10] ipv6_find_idev+0x102/0x170 [ 2250.313821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.313821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.313821][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.313821][ T10] netlink_unicast+0x449/0x710 [ 2250.313821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.313821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.313821][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.313821][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.313821][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.313821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.313821][ T10] [ 2250.315435][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2250.315435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2250.315435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2250.315435][ T10] ipv6_find_idev+0x102/0x170 [ 2250.315435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.315435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.315435][ T10] netlink_rcv_skb+0x130/0x360 [ 2250.315435][ T10] netlink_unicast+0x449/0x710 [ 2250.315435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2250.315435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2250.315435][ T10] ___sys_sendmsg+0xee/0x170 [ 2250.315435][ T10] __sys_sendmsg+0xcd/0x170 [ 2250.315435][ T10] do_syscall_64+0xc6/0x1e0 [ 2250.315435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.315435][ T10] [ 2260.510034][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2260.510548][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2260.510548][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.510548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.510548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.510548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.510548][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.510548][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.510548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.510548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.510548][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.510548][ T10] netlink_unicast+0x449/0x710 [ 2260.510548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.510548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.510548][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.510548][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.510548][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.510548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.510548][ T10] [ 2260.512610][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2260.512610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.512610][ T10] ipv6_find_idev+0x102/0x170 [ 2260.512610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.512610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.512610][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.512610][ T10] netlink_unicast+0x449/0x710 [ 2260.512610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.512610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.512610][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.512610][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.512610][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.512610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.512610][ T10] [ 2260.514166][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2260.514166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.514166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.514166][ T10] ipv6_find_idev+0x102/0x170 [ 2260.514166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.514166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.514166][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.514166][ T10] netlink_unicast+0x449/0x710 [ 2260.514166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.514166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.514166][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.514166][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.514166][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.514166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.514166][ T10] [ 2260.515862][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2260.516153][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2260.516153][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.516153][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.516153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.516153][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.516153][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.516153][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.516153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.516153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.516153][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.516153][ T10] netlink_unicast+0x449/0x710 [ 2260.516153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.516153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.516153][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.516153][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.516153][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.516153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.516153][ T10] [ 2260.518127][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2260.518127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.518127][ T10] ipv6_find_idev+0x102/0x170 [ 2260.518127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.518127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.518127][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.518127][ T10] netlink_unicast+0x449/0x710 [ 2260.518127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.518127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.518127][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.518127][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.518127][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.518127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.518127][ T10] [ 2260.519662][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2260.519662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.519662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.519662][ T10] ipv6_find_idev+0x102/0x170 [ 2260.519662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.519662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.519662][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.519662][ T10] netlink_unicast+0x449/0x710 [ 2260.519662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.519662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.519662][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.519662][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.519662][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.519662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.519662][ T10] [ 2260.521380][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2260.521646][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2260.521646][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.521646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.521646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.521646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.521646][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.521646][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.521646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.521646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.521646][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.521646][ T10] netlink_unicast+0x449/0x710 [ 2260.521646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.521646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.521646][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.521646][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.521646][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.521646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.521646][ T10] [ 2260.523632][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2260.523632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.523632][ T10] ipv6_find_idev+0x102/0x170 [ 2260.523632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.523632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.523632][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.523632][ T10] netlink_unicast+0x449/0x710 [ 2260.523632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.523632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.523632][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.523632][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.523632][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.523632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.523632][ T10] [ 2260.525258][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2260.525258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.525258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.525258][ T10] ipv6_find_idev+0x102/0x170 [ 2260.525258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.525258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.525258][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.525258][ T10] netlink_unicast+0x449/0x710 [ 2260.525258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.525258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.525258][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.525258][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.525258][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.525258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.525258][ T10] [ 2260.526969][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2260.527233][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2260.527233][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.527233][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.527233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.527233][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.527233][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.527233][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.527233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.527233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.527233][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.527233][ T10] netlink_unicast+0x449/0x710 [ 2260.527233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.527233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.527233][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.527233][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.527233][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.527233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.527233][ T10] [ 2260.529259][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2260.529259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.529259][ T10] ipv6_find_idev+0x102/0x170 [ 2260.529259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.529259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.529259][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.529259][ T10] netlink_unicast+0x449/0x710 [ 2260.529259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.529259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.529259][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.529259][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.529259][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.529259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.529259][ T10] [ 2260.531192][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2260.531192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.531192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.531192][ T10] ipv6_find_idev+0x102/0x170 [ 2260.531192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.531192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.531192][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.531192][ T10] netlink_unicast+0x449/0x710 [ 2260.531192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.531192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.531192][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.531192][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.531192][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.531192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.531192][ T10] [ 2260.533319][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2260.533925][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2260.533925][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.533925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.533925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.533925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.533925][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.533925][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.533925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.533925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.533925][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.533925][ T10] netlink_unicast+0x449/0x710 [ 2260.533925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.533925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.533925][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.533925][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.533925][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.533925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.533925][ T10] [ 2260.535912][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2260.535912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.535912][ T10] ipv6_find_idev+0x102/0x170 [ 2260.535912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.535912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.535912][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.535912][ T10] netlink_unicast+0x449/0x710 [ 2260.535912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.535912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.535912][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.535912][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.535912][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.535912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.535912][ T10] [ 2260.537409][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2260.537409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.537409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.537409][ T10] ipv6_find_idev+0x102/0x170 [ 2260.537409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.537409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.537409][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.537409][ T10] netlink_unicast+0x449/0x710 [ 2260.537409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.537409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.537409][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.537409][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.537409][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.537409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.537409][ T10] [ 2260.539098][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2260.539369][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2260.539369][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.539369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.539369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.539369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.539369][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.539369][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.539369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.539369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.539369][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.539369][ T10] netlink_unicast+0x449/0x710 [ 2260.539369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.539369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.539369][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.539369][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.539369][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.539369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.539369][ T10] [ 2260.541393][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2260.541393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.541393][ T10] ipv6_find_idev+0x102/0x170 [ 2260.541393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.541393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.541393][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.541393][ T10] netlink_unicast+0x449/0x710 [ 2260.541393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.541393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.541393][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.541393][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.541393][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.541393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.541393][ T10] [ 2260.543052][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2260.543052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.543052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.543052][ T10] ipv6_find_idev+0x102/0x170 [ 2260.543052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.543052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.543052][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.543052][ T10] netlink_unicast+0x449/0x710 [ 2260.543052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.543052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.543052][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.543052][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.543052][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.543052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.543052][ T10] [ 2260.545057][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2260.545375][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2260.545375][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.545375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.545375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.545375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.545375][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.545375][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.545375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.545375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.545375][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.545375][ T10] netlink_unicast+0x449/0x710 [ 2260.545375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.545375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.545375][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.545375][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.545375][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.545375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.545375][ T10] [ 2260.547528][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2260.547528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.547528][ T10] ipv6_find_idev+0x102/0x170 [ 2260.547528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.547528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.547528][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.547528][ T10] netlink_unicast+0x449/0x710 [ 2260.547528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.547528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.547528][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.547528][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.547528][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.547528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.547528][ T10] [ 2260.549252][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2260.549252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.549252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.549252][ T10] ipv6_find_idev+0x102/0x170 [ 2260.549252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.549252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.549252][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.549252][ T10] netlink_unicast+0x449/0x710 [ 2260.549252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.549252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.549252][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.549252][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.549252][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.549252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.549252][ T10] [ 2260.551186][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2260.551505][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2260.551505][ T10] netdev_get_by_index+0x5e/0x80 [ 2260.551505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2260.551505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2260.551505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2260.551505][ T10] ipv6_add_addr+0x411/0x2000 [ 2260.551505][ T10] inet6_addr_add+0x30e/0xa40 [ 2260.551505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.551505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.551505][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.551505][ T10] netlink_unicast+0x449/0x710 [ 2260.551505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.551505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.551505][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.551505][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.551505][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.551505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.551505][ T10] [ 2260.553710][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2260.553710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2260.553710][ T10] ipv6_find_idev+0x102/0x170 [ 2260.553710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.553710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.553710][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.553710][ T10] netlink_unicast+0x449/0x710 [ 2260.553710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.553710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.553710][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.553710][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.553710][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.553710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.553710][ T10] [ 2260.555516][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2260.555516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2260.555516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2260.555516][ T10] ipv6_find_idev+0x102/0x170 [ 2260.555516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.555516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.555516][ T10] netlink_rcv_skb+0x130/0x360 [ 2260.555516][ T10] netlink_unicast+0x449/0x710 [ 2260.555516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2260.555516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2260.555516][ T10] ___sys_sendmsg+0xee/0x170 [ 2260.555516][ T10] __sys_sendmsg+0xcd/0x170 [ 2260.555516][ T10] do_syscall_64+0xc6/0x1e0 [ 2260.555516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.555516][ T10] [ 2270.798032][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2270.798541][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2270.798541][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.798541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.798541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.798541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.798541][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.798541][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.798541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.798541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.798541][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.798541][ T10] netlink_unicast+0x449/0x710 [ 2270.798541][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.798541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.798541][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.798541][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.798541][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.798541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.798541][ T10] [ 2270.800540][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2270.800540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.800540][ T10] ipv6_find_idev+0x102/0x170 [ 2270.800540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.800540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.800540][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.800540][ T10] netlink_unicast+0x449/0x710 [ 2270.800540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.800540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.800540][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.800540][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.800540][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.800540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.800540][ T10] [ 2270.802098][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2270.802098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.802098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.802098][ T10] ipv6_find_idev+0x102/0x170 [ 2270.802098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.802098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.802098][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.802098][ T10] netlink_unicast+0x449/0x710 [ 2270.802098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.802098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.802098][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.802098][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.802098][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.802098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.802098][ T10] [ 2270.803733][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2270.804032][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2270.804032][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.804032][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.804032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.804032][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.804032][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.804032][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.804032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.804032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.804032][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.804032][ T10] netlink_unicast+0x449/0x710 [ 2270.804032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.804032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.804032][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.804032][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.804032][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.804032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.804032][ T10] [ 2270.805975][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2270.805975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.805975][ T10] ipv6_find_idev+0x102/0x170 [ 2270.805975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.805975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.805975][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.805975][ T10] netlink_unicast+0x449/0x710 [ 2270.805975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.805975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.805975][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.805975][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.805975][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.805975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.805975][ T10] [ 2270.807597][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2270.807597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.807597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.807597][ T10] ipv6_find_idev+0x102/0x170 [ 2270.807597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.807597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.807597][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.807597][ T10] netlink_unicast+0x449/0x710 [ 2270.807597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.807597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.807597][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.807597][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.807597][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.807597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.807597][ T10] [ 2270.809238][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2270.810046][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2270.810046][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.810046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.810046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.810046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.810046][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.810046][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.810046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.810046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.810046][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.810046][ T10] netlink_unicast+0x449/0x710 [ 2270.810046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.810046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.810046][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.810046][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.810046][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.810046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.810046][ T10] [ 2270.812028][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2270.812028][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.812028][ T10] ipv6_find_idev+0x102/0x170 [ 2270.812028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.812028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.812028][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.812028][ T10] netlink_unicast+0x449/0x710 [ 2270.812028][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.812028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.812028][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.812028][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.812028][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.812028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.812028][ T10] [ 2270.813552][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2270.813552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.813552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.813552][ T10] ipv6_find_idev+0x102/0x170 [ 2270.813552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.813552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.813552][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.813552][ T10] netlink_unicast+0x449/0x710 [ 2270.813552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.813552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.813552][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.813552][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.813552][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.813552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.813552][ T10] [ 2270.815219][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2270.815477][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2270.815477][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.815477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.815477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.815477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.815477][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.815477][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.815477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.815477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.815477][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.815477][ T10] netlink_unicast+0x449/0x710 [ 2270.815477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.815477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.815477][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.815477][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.815477][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.815477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.815477][ T10] [ 2270.817453][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2270.817453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.817453][ T10] ipv6_find_idev+0x102/0x170 [ 2270.817453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.817453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.817453][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.817453][ T10] netlink_unicast+0x449/0x710 [ 2270.817453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.817453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.817453][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.817453][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.817453][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.817453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.817453][ T10] [ 2270.819362][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2270.819362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.819362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.819362][ T10] ipv6_find_idev+0x102/0x170 [ 2270.819362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.819362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.819362][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.819362][ T10] netlink_unicast+0x449/0x710 [ 2270.819362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.819362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.819362][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.819362][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.819362][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.819362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.819362][ T10] [ 2270.821437][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2270.821702][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2270.821702][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.821702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.821702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.821702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.821702][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.821702][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.821702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.821702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.821702][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.821702][ T10] netlink_unicast+0x449/0x710 [ 2270.821702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.821702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.821702][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.821702][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.821702][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.821702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.821702][ T10] [ 2270.823696][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2270.823696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.823696][ T10] ipv6_find_idev+0x102/0x170 [ 2270.823696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.823696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.823696][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.823696][ T10] netlink_unicast+0x449/0x710 [ 2270.823696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.823696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.823696][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.823696][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.823696][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.823696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.823696][ T10] [ 2270.825214][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2270.825214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.825214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.825214][ T10] ipv6_find_idev+0x102/0x170 [ 2270.825214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.825214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.825214][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.825214][ T10] netlink_unicast+0x449/0x710 [ 2270.825214][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.825214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.825214][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.825214][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.825214][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.825214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.825214][ T10] [ 2270.826917][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2270.827180][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2270.827180][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.827180][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.827180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.827180][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.827180][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.827180][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.827180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.827180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.827180][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.827180][ T10] netlink_unicast+0x449/0x710 [ 2270.827180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.827180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.827180][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.827180][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.827180][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.827180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.827180][ T10] [ 2270.829262][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2270.829262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.829262][ T10] ipv6_find_idev+0x102/0x170 [ 2270.829262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.829262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.829262][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.829262][ T10] netlink_unicast+0x449/0x710 [ 2270.829262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.829262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.829262][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.829262][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.829262][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.829262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.829262][ T10] [ 2270.831029][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2270.831029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.831029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.831029][ T10] ipv6_find_idev+0x102/0x170 [ 2270.831029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.831029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.831029][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.831029][ T10] netlink_unicast+0x449/0x710 [ 2270.831029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.831029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.831029][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.831029][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.831029][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.831029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.831029][ T10] [ 2270.833027][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2270.833305][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2270.833305][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.833305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.833305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.833305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.833305][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.833305][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.833305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.833305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.833305][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.833305][ T10] netlink_unicast+0x449/0x710 [ 2270.833305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.833305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.833305][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.833305][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.833305][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.833305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.833305][ T10] [ 2270.835440][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2270.835440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.835440][ T10] ipv6_find_idev+0x102/0x170 [ 2270.835440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.835440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.835440][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.835440][ T10] netlink_unicast+0x449/0x710 [ 2270.835440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.835440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.835440][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.835440][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.835440][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.835440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.835440][ T10] [ 2270.837134][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2270.837134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.837134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.837134][ T10] ipv6_find_idev+0x102/0x170 [ 2270.837134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.837134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.837134][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.837134][ T10] netlink_unicast+0x449/0x710 [ 2270.837134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.837134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.837134][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.837134][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.837134][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.837134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.837134][ T10] [ 2270.839178][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2270.839448][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2270.839448][ T10] netdev_get_by_index+0x5e/0x80 [ 2270.839448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2270.839448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2270.839448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2270.839448][ T10] ipv6_add_addr+0x411/0x2000 [ 2270.839448][ T10] inet6_addr_add+0x30e/0xa40 [ 2270.839448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.839448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.839448][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.839448][ T10] netlink_unicast+0x449/0x710 [ 2270.839448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.839448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.839448][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.839448][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.839448][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.839448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.839448][ T10] [ 2270.841781][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2270.841781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2270.841781][ T10] ipv6_find_idev+0x102/0x170 [ 2270.841781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.841781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.841781][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.841781][ T10] netlink_unicast+0x449/0x710 [ 2270.841781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.841781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.841781][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.841781][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.841781][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.841781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.841781][ T10] [ 2270.843531][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2270.843531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2270.843531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2270.843531][ T10] ipv6_find_idev+0x102/0x170 [ 2270.843531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.843531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.843531][ T10] netlink_rcv_skb+0x130/0x360 [ 2270.843531][ T10] netlink_unicast+0x449/0x710 [ 2270.843531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2270.843531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2270.843531][ T10] ___sys_sendmsg+0xee/0x170 [ 2270.843531][ T10] __sys_sendmsg+0xcd/0x170 [ 2270.843531][ T10] do_syscall_64+0xc6/0x1e0 [ 2270.843531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.843531][ T10] [ 2281.086031][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2281.087145][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2281.087145][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.087145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.087145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.087145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.087145][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.087145][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.087145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.087145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.087145][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.087145][ T10] netlink_unicast+0x449/0x710 [ 2281.087145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.087145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.087145][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.087145][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.087145][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.087145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.087145][ T10] [ 2281.089253][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2281.089253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.089253][ T10] ipv6_find_idev+0x102/0x170 [ 2281.089253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.089253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.089253][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.089253][ T10] netlink_unicast+0x449/0x710 [ 2281.089253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.089253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.089253][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.089253][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.089253][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.089253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.089253][ T10] [ 2281.090859][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2281.090859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.090859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.090859][ T10] ipv6_find_idev+0x102/0x170 [ 2281.090859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.090859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.090859][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.090859][ T10] netlink_unicast+0x449/0x710 [ 2281.090859][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.090859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.090859][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.090859][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.090859][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.090859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.090859][ T10] [ 2281.092647][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2281.093027][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2281.093027][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.093027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.093027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.093027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.093027][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.093027][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.093027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.093027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.093027][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.093027][ T10] netlink_unicast+0x449/0x710 [ 2281.093027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.093027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.093027][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.093027][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.093027][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.093027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.093027][ T10] [ 2281.095060][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2281.095060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.095060][ T10] ipv6_find_idev+0x102/0x170 [ 2281.095060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.095060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.095060][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.095060][ T10] netlink_unicast+0x449/0x710 [ 2281.095060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.095060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.095060][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.095060][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.095060][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.095060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.095060][ T10] [ 2281.096590][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2281.096590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.096590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.096590][ T10] ipv6_find_idev+0x102/0x170 [ 2281.096590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.096590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.096590][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.096590][ T10] netlink_unicast+0x449/0x710 [ 2281.096590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.096590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.096590][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.096590][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.096590][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.096590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.096590][ T10] [ 2281.098291][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2281.098551][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2281.098551][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.098551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.098551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.098551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.098551][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.098551][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.098551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.098551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.098551][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.098551][ T10] netlink_unicast+0x449/0x710 [ 2281.098551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.098551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.098551][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.098551][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.098551][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.098551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.098551][ T10] [ 2281.100524][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2281.100524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.100524][ T10] ipv6_find_idev+0x102/0x170 [ 2281.100524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.100524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.100524][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.100524][ T10] netlink_unicast+0x449/0x710 [ 2281.100524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.100524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.100524][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.100524][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.100524][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.100524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.100524][ T10] [ 2281.102097][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2281.102097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.102097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.102097][ T10] ipv6_find_idev+0x102/0x170 [ 2281.102097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.102097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.102097][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.102097][ T10] netlink_unicast+0x449/0x710 [ 2281.102097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.102097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.102097][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.102097][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.102097][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.102097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.102097][ T10] [ 2281.103826][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2281.104094][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2281.104094][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.104094][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.104094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.104094][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.104094][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.104094][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.104094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.104094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.104094][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.104094][ T10] netlink_unicast+0x449/0x710 [ 2281.104094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.104094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.104094][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.104094][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.104094][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.104094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.104094][ T10] [ 2281.106081][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2281.106081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.106081][ T10] ipv6_find_idev+0x102/0x170 [ 2281.106081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.106081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.106081][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.106081][ T10] netlink_unicast+0x449/0x710 [ 2281.106081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.106081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.106081][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.106081][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.106081][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.106081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.106081][ T10] [ 2281.107616][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2281.107616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.107616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.107616][ T10] ipv6_find_idev+0x102/0x170 [ 2281.107616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.107616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.107616][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.107616][ T10] netlink_unicast+0x449/0x710 [ 2281.107616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.107616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.107616][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.107616][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.107616][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.107616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.107616][ T10] [ 2281.109287][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2281.109545][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2281.109545][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.109545][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.109545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.109545][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.109545][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.109545][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.109545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.109545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.109545][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.109545][ T10] netlink_unicast+0x449/0x710 [ 2281.109545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.109545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.109545][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.109545][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.109545][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.109545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.109545][ T10] [ 2281.111537][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2281.111537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.111537][ T10] ipv6_find_idev+0x102/0x170 [ 2281.111537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.111537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.111537][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.111537][ T10] netlink_unicast+0x449/0x710 [ 2281.111537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.111537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.111537][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.111537][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.111537][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.111537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.111537][ T10] [ 2281.113129][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2281.113129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.113129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.113129][ T10] ipv6_find_idev+0x102/0x170 [ 2281.113129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.113129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.113129][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.113129][ T10] netlink_unicast+0x449/0x710 [ 2281.113129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.113129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.113129][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.113129][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.113129][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.113129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.113129][ T10] [ 2281.115501][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2281.116211][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2281.116211][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.116211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.116211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.116211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.116211][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.116211][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.116211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.116211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.116211][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.116211][ T10] netlink_unicast+0x449/0x710 [ 2281.116211][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.116211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.116211][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.116211][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.116211][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.116211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.116211][ T10] [ 2281.118204][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2281.118204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.118204][ T10] ipv6_find_idev+0x102/0x170 [ 2281.118204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.118204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.118204][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.118204][ T10] netlink_unicast+0x449/0x710 [ 2281.118204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.118204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.118204][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.118204][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.118204][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.118204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.118204][ T10] [ 2281.120113][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2281.120113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.120113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.120113][ T10] ipv6_find_idev+0x102/0x170 [ 2281.120113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.120113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.120113][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.120113][ T10] netlink_unicast+0x449/0x710 [ 2281.120113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.120113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.120113][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.120113][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.120113][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.120113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.120113][ T10] [ 2281.121856][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2281.122170][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2281.122170][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.122170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.122170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.122170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.122170][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.122170][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.122170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.122170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.122170][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.122170][ T10] netlink_unicast+0x449/0x710 [ 2281.122170][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.122170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.122170][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.122170][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.122170][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.122170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.122170][ T10] [ 2281.124239][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2281.124239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.124239][ T10] ipv6_find_idev+0x102/0x170 [ 2281.124239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.124239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.124239][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.124239][ T10] netlink_unicast+0x449/0x710 [ 2281.124239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.124239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.124239][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.124239][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.124239][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.124239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.124239][ T10] [ 2281.126074][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2281.126074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.126074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.126074][ T10] ipv6_find_idev+0x102/0x170 [ 2281.126074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.126074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.126074][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.126074][ T10] netlink_unicast+0x449/0x710 [ 2281.126074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.126074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.126074][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.126074][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.126074][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.126074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.126074][ T10] [ 2281.128053][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2281.128370][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2281.128370][ T10] netdev_get_by_index+0x5e/0x80 [ 2281.128370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2281.128370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2281.128370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2281.128370][ T10] ipv6_add_addr+0x411/0x2000 [ 2281.128370][ T10] inet6_addr_add+0x30e/0xa40 [ 2281.128370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.128370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.128370][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.128370][ T10] netlink_unicast+0x449/0x710 [ 2281.128370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.128370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.128370][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.128370][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.128370][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.128370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.128370][ T10] [ 2281.130568][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2281.130568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2281.130568][ T10] ipv6_find_idev+0x102/0x170 [ 2281.130568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.130568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.130568][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.130568][ T10] netlink_unicast+0x449/0x710 [ 2281.130568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.130568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.130568][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.130568][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.130568][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.130568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.130568][ T10] [ 2281.132315][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2281.132315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2281.132315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2281.132315][ T10] ipv6_find_idev+0x102/0x170 [ 2281.132315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.132315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.132315][ T10] netlink_rcv_skb+0x130/0x360 [ 2281.132315][ T10] netlink_unicast+0x449/0x710 [ 2281.132315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2281.132315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2281.132315][ T10] ___sys_sendmsg+0xee/0x170 [ 2281.132315][ T10] __sys_sendmsg+0xcd/0x170 [ 2281.132315][ T10] do_syscall_64+0xc6/0x1e0 [ 2281.132315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.132315][ T10] [ 2291.285950][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2291.286433][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2291.286433][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.286433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.286433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.286433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.286433][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.286433][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.286433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.286433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.286433][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.286433][ T10] netlink_unicast+0x449/0x710 [ 2291.286433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.286433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.286433][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.286433][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.286433][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.286433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.286433][ T10] [ 2291.288445][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2291.288445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.288445][ T10] ipv6_find_idev+0x102/0x170 [ 2291.288445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.288445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.288445][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.288445][ T10] netlink_unicast+0x449/0x710 [ 2291.288445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.288445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.288445][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.288445][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.288445][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.288445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.288445][ T10] [ 2291.289953][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2291.289953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.289953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.289953][ T10] ipv6_find_idev+0x102/0x170 [ 2291.289953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.289953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.289953][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.289953][ T10] netlink_unicast+0x449/0x710 [ 2291.289953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.289953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.289953][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.289953][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.289953][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.289953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.289953][ T10] [ 2291.291620][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2291.291928][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2291.291928][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.291928][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.291928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.291928][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.291928][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.291928][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.291928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.291928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.291928][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.291928][ T10] netlink_unicast+0x449/0x710 [ 2291.291928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.291928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.291928][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.291928][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.291928][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.291928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.291928][ T10] [ 2291.293908][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2291.293908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.293908][ T10] ipv6_find_idev+0x102/0x170 [ 2291.293908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.293908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.293908][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.293908][ T10] netlink_unicast+0x449/0x710 [ 2291.293908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.293908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.293908][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.293908][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.293908][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.293908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.293908][ T10] [ 2291.295451][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2291.295451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.295451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.295451][ T10] ipv6_find_idev+0x102/0x170 [ 2291.295451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.295451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.295451][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.295451][ T10] netlink_unicast+0x449/0x710 [ 2291.295451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.295451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.295451][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.295451][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.295451][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.295451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.295451][ T10] [ 2291.297128][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2291.297396][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2291.297396][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.297396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.297396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.297396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.297396][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.297396][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.297396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.297396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.297396][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.297396][ T10] netlink_unicast+0x449/0x710 [ 2291.297396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.297396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.297396][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.297396][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.297396][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.297396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.297396][ T10] [ 2291.299436][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2291.299436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.299436][ T10] ipv6_find_idev+0x102/0x170 [ 2291.299436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.299436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.299436][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.299436][ T10] netlink_unicast+0x449/0x710 [ 2291.299436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.299436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.299436][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.299436][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.299436][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.299436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.299436][ T10] [ 2291.300948][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2291.300948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.300948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.300948][ T10] ipv6_find_idev+0x102/0x170 [ 2291.300948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.300948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.300948][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.300948][ T10] netlink_unicast+0x449/0x710 [ 2291.300948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.300948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.300948][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.300948][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.300948][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.300948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.300948][ T10] [ 2291.302662][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2291.303380][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2291.303380][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.303380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.303380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.303380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.303380][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.303380][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.303380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.303380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.303380][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.303380][ T10] netlink_unicast+0x449/0x710 [ 2291.303380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.303380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.303380][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.303380][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.303380][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.303380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.303380][ T10] [ 2291.305506][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2291.305506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.305506][ T10] ipv6_find_idev+0x102/0x170 [ 2291.305506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.305506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.305506][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.305506][ T10] netlink_unicast+0x449/0x710 [ 2291.305506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.305506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.305506][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.305506][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.305506][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.305506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.305506][ T10] [ 2291.307059][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2291.307059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.307059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.307059][ T10] ipv6_find_idev+0x102/0x170 [ 2291.307059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.307059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.307059][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.307059][ T10] netlink_unicast+0x449/0x710 [ 2291.307059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.307059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.307059][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.307059][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.307059][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.307059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.307059][ T10] [ 2291.308805][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2291.309075][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2291.309075][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.309075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.309075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.309075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.309075][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.309075][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.309075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.309075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.309075][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.309075][ T10] netlink_unicast+0x449/0x710 [ 2291.309075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.309075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.309075][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.309075][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.309075][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.309075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.309075][ T10] [ 2291.311073][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2291.311073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.311073][ T10] ipv6_find_idev+0x102/0x170 [ 2291.311073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.311073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.311073][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.311073][ T10] netlink_unicast+0x449/0x710 [ 2291.311073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.311073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.311073][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.311073][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.311073][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.311073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.311073][ T10] [ 2291.312616][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2291.312616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.312616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.312616][ T10] ipv6_find_idev+0x102/0x170 [ 2291.312616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.312616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.312616][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.312616][ T10] netlink_unicast+0x449/0x710 [ 2291.312616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.312616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.312616][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.312616][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.312616][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.312616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.312616][ T10] [ 2291.314340][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2291.314602][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2291.314602][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.314602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.314602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.314602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.314602][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.314602][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.314602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.314602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.314602][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.314602][ T10] netlink_unicast+0x449/0x710 [ 2291.314602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.314602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.314602][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.314602][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.314602][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.314602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.314602][ T10] [ 2291.316664][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2291.316664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.316664][ T10] ipv6_find_idev+0x102/0x170 [ 2291.316664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.316664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.316664][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.316664][ T10] netlink_unicast+0x449/0x710 [ 2291.316664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.316664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.316664][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.316664][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.316664][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.316664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.316664][ T10] [ 2291.318451][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2291.318451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.318451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.318451][ T10] ipv6_find_idev+0x102/0x170 [ 2291.318451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.318451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.318451][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.318451][ T10] netlink_unicast+0x449/0x710 [ 2291.318451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.318451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.318451][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.318451][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.318451][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.318451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.318451][ T10] [ 2291.320357][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2291.320623][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2291.320623][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.320623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.320623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.320623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.320623][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.320623][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.320623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.320623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.320623][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.320623][ T10] netlink_unicast+0x449/0x710 [ 2291.320623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.320623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.320623][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.320623][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.320623][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.320623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.320623][ T10] [ 2291.322823][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2291.322823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.322823][ T10] ipv6_find_idev+0x102/0x170 [ 2291.322823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.322823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.322823][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.322823][ T10] netlink_unicast+0x449/0x710 [ 2291.322823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.322823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.322823][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.322823][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.322823][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.322823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.322823][ T10] [ 2291.324536][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2291.324536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.324536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.324536][ T10] ipv6_find_idev+0x102/0x170 [ 2291.324536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.324536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.324536][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.324536][ T10] netlink_unicast+0x449/0x710 [ 2291.324536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.324536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.324536][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.324536][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.324536][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.324536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.324536][ T10] [ 2291.326437][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2291.326751][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2291.326751][ T10] netdev_get_by_index+0x5e/0x80 [ 2291.326751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2291.326751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2291.326751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2291.326751][ T10] ipv6_add_addr+0x411/0x2000 [ 2291.326751][ T10] inet6_addr_add+0x30e/0xa40 [ 2291.326751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.326751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.326751][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.326751][ T10] netlink_unicast+0x449/0x710 [ 2291.326751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.326751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.326751][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.326751][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.326751][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.326751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.326751][ T10] [ 2291.328984][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2291.328984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2291.328984][ T10] ipv6_find_idev+0x102/0x170 [ 2291.328984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.328984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.328984][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.328984][ T10] netlink_unicast+0x449/0x710 [ 2291.328984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.328984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.328984][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.328984][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.328984][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.328984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.328984][ T10] [ 2291.330697][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2291.330697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2291.330697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2291.330697][ T10] ipv6_find_idev+0x102/0x170 [ 2291.330697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.330697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.330697][ T10] netlink_rcv_skb+0x130/0x360 [ 2291.330697][ T10] netlink_unicast+0x449/0x710 [ 2291.330697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2291.330697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2291.330697][ T10] ___sys_sendmsg+0xee/0x170 [ 2291.330697][ T10] __sys_sendmsg+0xcd/0x170 [ 2291.330697][ T10] do_syscall_64+0xc6/0x1e0 [ 2291.330697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.330697][ T10] [ 2301.573956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2301.574976][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2301.574976][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.574976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.574976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.574976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.574976][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.574976][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.574976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.574976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.574976][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.574976][ T10] netlink_unicast+0x449/0x710 [ 2301.574976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.574976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.574976][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.574976][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.574976][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.574976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.574976][ T10] [ 2301.576978][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2301.576978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.576978][ T10] ipv6_find_idev+0x102/0x170 [ 2301.576978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.576978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.576978][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.576978][ T10] netlink_unicast+0x449/0x710 [ 2301.576978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.576978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.576978][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.576978][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.576978][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.576978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.576978][ T10] [ 2301.578532][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2301.578532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.578532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.578532][ T10] ipv6_find_idev+0x102/0x170 [ 2301.578532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.578532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.578532][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.578532][ T10] netlink_unicast+0x449/0x710 [ 2301.578532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.578532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.578532][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.578532][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.578532][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.578532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.578532][ T10] [ 2301.580190][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2301.580462][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2301.580462][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.580462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.580462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.580462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.580462][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.580462][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.580462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.580462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.580462][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.580462][ T10] netlink_unicast+0x449/0x710 [ 2301.580462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.580462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.580462][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.580462][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.580462][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.580462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.580462][ T10] [ 2301.582458][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2301.582458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.582458][ T10] ipv6_find_idev+0x102/0x170 [ 2301.582458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.582458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.582458][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.582458][ T10] netlink_unicast+0x449/0x710 [ 2301.582458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.582458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.582458][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.582458][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.582458][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.582458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.582458][ T10] [ 2301.583963][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2301.583963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.583963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.583963][ T10] ipv6_find_idev+0x102/0x170 [ 2301.583963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.583963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.583963][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.583963][ T10] netlink_unicast+0x449/0x710 [ 2301.583963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.583963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.583963][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.583963][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.583963][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.583963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.583963][ T10] [ 2301.585591][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2301.585883][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2301.585883][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.585883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.585883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.585883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.585883][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.585883][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.585883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.585883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.585883][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.585883][ T10] netlink_unicast+0x449/0x710 [ 2301.585883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.585883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.585883][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.585883][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.585883][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.585883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.585883][ T10] [ 2301.587998][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2301.587998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.587998][ T10] ipv6_find_idev+0x102/0x170 [ 2301.587998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.587998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.587998][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.587998][ T10] netlink_unicast+0x449/0x710 [ 2301.587998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.587998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.587998][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.587998][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.587998][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.587998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.587998][ T10] [ 2301.589525][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2301.589525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.589525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.589525][ T10] ipv6_find_idev+0x102/0x170 [ 2301.589525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.589525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.589525][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.589525][ T10] netlink_unicast+0x449/0x710 [ 2301.589525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.589525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.589525][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.589525][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.589525][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.589525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.589525][ T10] [ 2301.591216][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2301.591476][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2301.591476][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.591476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.591476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.591476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.591476][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.591476][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.591476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.591476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.591476][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.591476][ T10] netlink_unicast+0x449/0x710 [ 2301.591476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.591476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.591476][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.591476][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.591476][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.591476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.591476][ T10] [ 2301.593452][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2301.593452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.593452][ T10] ipv6_find_idev+0x102/0x170 [ 2301.593452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.593452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.593452][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.593452][ T10] netlink_unicast+0x449/0x710 [ 2301.593452][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.593452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.593452][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.593452][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.593452][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.593452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.593452][ T10] [ 2301.594976][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2301.594976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.594976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.594976][ T10] ipv6_find_idev+0x102/0x170 [ 2301.594976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.594976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.594976][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.594976][ T10] netlink_unicast+0x449/0x710 [ 2301.594976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.594976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.594976][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.594976][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.594976][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.594976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.594976][ T10] [ 2301.596685][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2301.597003][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2301.597003][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.597003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.597003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.597003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.597003][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.597003][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.597003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.597003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.597003][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.597003][ T10] netlink_unicast+0x449/0x710 [ 2301.597003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.597003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.597003][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.597003][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.597003][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.597003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.597003][ T10] [ 2301.598976][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2301.598976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.598976][ T10] ipv6_find_idev+0x102/0x170 [ 2301.598976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.598976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.598976][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.598976][ T10] netlink_unicast+0x449/0x710 [ 2301.598976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.598976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.598976][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.598976][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.598976][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.598976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.598976][ T10] [ 2301.600494][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2301.600494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.600494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.600494][ T10] ipv6_find_idev+0x102/0x170 [ 2301.600494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.600494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.600494][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.600494][ T10] netlink_unicast+0x449/0x710 [ 2301.600494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.600494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.600494][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.600494][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.600494][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.600494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.600494][ T10] [ 2301.602458][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2301.602719][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2301.602719][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.602719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.602719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.602719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.602719][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.602719][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.602719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.602719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.602719][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.602719][ T10] netlink_unicast+0x449/0x710 [ 2301.602719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.602719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.602719][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.602719][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.602719][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.602719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.602719][ T10] [ 2301.604907][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2301.604907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.604907][ T10] ipv6_find_idev+0x102/0x170 [ 2301.604907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.604907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.604907][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.604907][ T10] netlink_unicast+0x449/0x710 [ 2301.604907][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.604907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.604907][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.604907][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.604907][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.604907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.604907][ T10] [ 2301.606565][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2301.606565][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.606565][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.606565][ T10] ipv6_find_idev+0x102/0x170 [ 2301.606565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.606565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.606565][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.606565][ T10] netlink_unicast+0x449/0x710 [ 2301.606565][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.606565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.606565][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.606565][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.606565][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.606565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.606565][ T10] [ 2301.608449][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2301.608710][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2301.608710][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.608710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.608710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.608710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.608710][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.608710][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.608710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.608710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.608710][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.608710][ T10] netlink_unicast+0x449/0x710 [ 2301.608710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.608710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.608710][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.608710][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.608710][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.608710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.608710][ T10] [ 2301.611833][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2301.611833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.611833][ T10] ipv6_find_idev+0x102/0x170 [ 2301.611833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.611833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.611833][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.611833][ T10] netlink_unicast+0x449/0x710 [ 2301.611833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.611833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.611833][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.611833][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.611833][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.611833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.611833][ T10] [ 2301.613531][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2301.613531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.613531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.613531][ T10] ipv6_find_idev+0x102/0x170 [ 2301.613531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.613531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.613531][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.613531][ T10] netlink_unicast+0x449/0x710 [ 2301.613531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.613531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.613531][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.613531][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.613531][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.613531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.613531][ T10] [ 2301.615471][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2301.615733][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2301.615733][ T10] netdev_get_by_index+0x5e/0x80 [ 2301.615733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2301.615733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2301.615733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2301.615733][ T10] ipv6_add_addr+0x411/0x2000 [ 2301.615733][ T10] inet6_addr_add+0x30e/0xa40 [ 2301.615733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.615733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.615733][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.615733][ T10] netlink_unicast+0x449/0x710 [ 2301.615733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.615733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.615733][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.615733][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.615733][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.615733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.615733][ T10] [ 2301.617943][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2301.617943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2301.617943][ T10] ipv6_find_idev+0x102/0x170 [ 2301.617943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.617943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.617943][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.617943][ T10] netlink_unicast+0x449/0x710 [ 2301.617943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.617943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.617943][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.617943][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.617943][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.617943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.617943][ T10] [ 2301.619645][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2301.619645][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2301.619645][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2301.619645][ T10] ipv6_find_idev+0x102/0x170 [ 2301.619645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.619645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.619645][ T10] netlink_rcv_skb+0x130/0x360 [ 2301.619645][ T10] netlink_unicast+0x449/0x710 [ 2301.619645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2301.619645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2301.619645][ T10] ___sys_sendmsg+0xee/0x170 [ 2301.619645][ T10] __sys_sendmsg+0xcd/0x170 [ 2301.619645][ T10] do_syscall_64+0xc6/0x1e0 [ 2301.619645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.619645][ T10] [ 2311.861955][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2311.862537][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2311.862537][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.862537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.862537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.862537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.862537][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.862537][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.862537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.862537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.862537][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.862537][ T10] netlink_unicast+0x449/0x710 [ 2311.862537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.862537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.862537][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.862537][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.862537][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.862537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.862537][ T10] [ 2311.864522][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2311.864522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.864522][ T10] ipv6_find_idev+0x102/0x170 [ 2311.864522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.864522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.864522][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.864522][ T10] netlink_unicast+0x449/0x710 [ 2311.864522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.864522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.864522][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.864522][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.864522][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.864522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.864522][ T10] [ 2311.866058][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2311.866058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.866058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.866058][ T10] ipv6_find_idev+0x102/0x170 [ 2311.866058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.866058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.866058][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.866058][ T10] netlink_unicast+0x449/0x710 [ 2311.866058][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.866058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.866058][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.866058][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.866058][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.866058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.866058][ T10] [ 2311.867691][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2311.867990][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2311.867990][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.867990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.867990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.867990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.867990][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.867990][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.867990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.867990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.867990][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.867990][ T10] netlink_unicast+0x449/0x710 [ 2311.867990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.867990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.867990][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.867990][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.867990][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.867990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.867990][ T10] [ 2311.869950][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2311.869950][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.869950][ T10] ipv6_find_idev+0x102/0x170 [ 2311.869950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.869950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.869950][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.869950][ T10] netlink_unicast+0x449/0x710 [ 2311.869950][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.869950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.869950][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.869950][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.869950][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.869950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.869950][ T10] [ 2311.871508][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2311.871508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.871508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.871508][ T10] ipv6_find_idev+0x102/0x170 [ 2311.871508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.871508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.871508][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.871508][ T10] netlink_unicast+0x449/0x710 [ 2311.871508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.871508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.871508][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.871508][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.871508][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.871508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.871508][ T10] [ 2311.873184][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2311.873465][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2311.873465][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.873465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.873465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.873465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.873465][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.873465][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.873465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.873465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.873465][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.873465][ T10] netlink_unicast+0x449/0x710 [ 2311.873465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.873465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.873465][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.873465][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.873465][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.873465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.873465][ T10] [ 2311.875434][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2311.875434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.875434][ T10] ipv6_find_idev+0x102/0x170 [ 2311.875434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.875434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.875434][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.875434][ T10] netlink_unicast+0x449/0x710 [ 2311.875434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.875434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.875434][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.875434][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.875434][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.875434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.875434][ T10] [ 2311.877112][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2311.877112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.877112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.877112][ T10] ipv6_find_idev+0x102/0x170 [ 2311.877112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.877112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.877112][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.877112][ T10] netlink_unicast+0x449/0x710 [ 2311.877112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.877112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.877112][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.877112][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.877112][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.877112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.877112][ T10] [ 2311.878785][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2311.879045][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2311.879045][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.879045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.879045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.879045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.879045][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.879045][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.879045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.879045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.879045][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.879045][ T10] netlink_unicast+0x449/0x710 [ 2311.879045][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.879045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.879045][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.879045][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.879045][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.879045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.879045][ T10] [ 2311.881024][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2311.881024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.881024][ T10] ipv6_find_idev+0x102/0x170 [ 2311.881024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.881024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.881024][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.881024][ T10] netlink_unicast+0x449/0x710 [ 2311.881024][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.881024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.881024][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.881024][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.881024][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.881024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.881024][ T10] [ 2311.882544][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2311.882544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.882544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.882544][ T10] ipv6_find_idev+0x102/0x170 [ 2311.882544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.882544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.882544][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.882544][ T10] netlink_unicast+0x449/0x710 [ 2311.882544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.882544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.882544][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.882544][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.882544][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.882544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.882544][ T10] [ 2311.884610][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2311.885201][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2311.885201][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.885201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.885201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.885201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.885201][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.885201][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.885201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.885201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.885201][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.885201][ T10] netlink_unicast+0x449/0x710 [ 2311.885201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.885201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.885201][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.885201][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.885201][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.885201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.885201][ T10] [ 2311.887172][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2311.887172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.887172][ T10] ipv6_find_idev+0x102/0x170 [ 2311.887172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.887172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.887172][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.887172][ T10] netlink_unicast+0x449/0x710 [ 2311.887172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.887172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.887172][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.887172][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.887172][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.887172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.887172][ T10] [ 2311.888695][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2311.888695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.888695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.888695][ T10] ipv6_find_idev+0x102/0x170 [ 2311.888695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.888695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.888695][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.888695][ T10] netlink_unicast+0x449/0x710 [ 2311.888695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.888695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.888695][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.888695][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.888695][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.888695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.888695][ T10] [ 2311.890371][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2311.890633][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2311.890633][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.890633][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.890633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.890633][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.890633][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.890633][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.890633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.890633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.890633][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.890633][ T10] netlink_unicast+0x449/0x710 [ 2311.890633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.890633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.890633][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.890633][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.890633][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.890633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.890633][ T10] [ 2311.892639][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2311.892639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.892639][ T10] ipv6_find_idev+0x102/0x170 [ 2311.892639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.892639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.892639][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.892639][ T10] netlink_unicast+0x449/0x710 [ 2311.892639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.892639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.892639][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.892639][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.892639][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.892639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.892639][ T10] [ 2311.894216][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2311.894216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.894216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.894216][ T10] ipv6_find_idev+0x102/0x170 [ 2311.894216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.894216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.894216][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.894216][ T10] netlink_unicast+0x449/0x710 [ 2311.894216][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.894216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.894216][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.894216][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.894216][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.894216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.894216][ T10] [ 2311.896221][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2311.896490][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2311.896490][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.896490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.896490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.896490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.896490][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.896490][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.896490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.896490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.896490][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.896490][ T10] netlink_unicast+0x449/0x710 [ 2311.896490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.896490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.896490][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.896490][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.896490][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.896490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.896490][ T10] [ 2311.898643][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2311.898643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.898643][ T10] ipv6_find_idev+0x102/0x170 [ 2311.898643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.898643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.898643][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.898643][ T10] netlink_unicast+0x449/0x710 [ 2311.898643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.898643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.898643][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.898643][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.898643][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.898643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.898643][ T10] [ 2311.900344][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2311.900344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.900344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.900344][ T10] ipv6_find_idev+0x102/0x170 [ 2311.900344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.900344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.900344][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.900344][ T10] netlink_unicast+0x449/0x710 [ 2311.900344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.900344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.900344][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.900344][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.900344][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.900344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.900344][ T10] [ 2311.902281][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2311.902603][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2311.902603][ T10] netdev_get_by_index+0x5e/0x80 [ 2311.902603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2311.902603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2311.902603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2311.902603][ T10] ipv6_add_addr+0x411/0x2000 [ 2311.902603][ T10] inet6_addr_add+0x30e/0xa40 [ 2311.902603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.902603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.902603][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.902603][ T10] netlink_unicast+0x449/0x710 [ 2311.902603][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.902603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.902603][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.902603][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.902603][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.902603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.902603][ T10] [ 2311.904754][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2311.904754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2311.904754][ T10] ipv6_find_idev+0x102/0x170 [ 2311.904754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.904754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.904754][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.904754][ T10] netlink_unicast+0x449/0x710 [ 2311.904754][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.904754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.904754][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.904754][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.904754][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.904754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.904754][ T10] [ 2311.906531][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2311.906531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2311.906531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2311.906531][ T10] ipv6_find_idev+0x102/0x170 [ 2311.906531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.906531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.906531][ T10] netlink_rcv_skb+0x130/0x360 [ 2311.906531][ T10] netlink_unicast+0x449/0x710 [ 2311.906531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2311.906531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2311.906531][ T10] ___sys_sendmsg+0xee/0x170 [ 2311.906531][ T10] __sys_sendmsg+0xcd/0x170 [ 2311.906531][ T10] do_syscall_64+0xc6/0x1e0 [ 2311.906531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.906531][ T10] [ 2322.149968][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2322.150486][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2322.150486][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.150486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.150486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.150486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.150486][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.150486][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.150486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.150486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.150486][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.150486][ T10] netlink_unicast+0x449/0x710 [ 2322.150486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.150486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.150486][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.150486][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.150486][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.150486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.150486][ T10] [ 2322.152471][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2322.152471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.152471][ T10] ipv6_find_idev+0x102/0x170 [ 2322.152471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.152471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.152471][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.152471][ T10] netlink_unicast+0x449/0x710 [ 2322.152471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.152471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.152471][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.152471][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.152471][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.152471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.152471][ T10] [ 2322.153978][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2322.153978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.153978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.153978][ T10] ipv6_find_idev+0x102/0x170 [ 2322.153978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.153978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.153978][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.153978][ T10] netlink_unicast+0x449/0x710 [ 2322.153978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.153978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.153978][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.153978][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.153978][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.153978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.153978][ T10] [ 2322.155610][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2322.156014][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2322.156014][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.156014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.156014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.156014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.156014][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.156014][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.156014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.156014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.156014][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.156014][ T10] netlink_unicast+0x449/0x710 [ 2322.156014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.156014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.156014][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.156014][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.156014][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.156014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.156014][ T10] [ 2322.158012][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2322.158012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.158012][ T10] ipv6_find_idev+0x102/0x170 [ 2322.158012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.158012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.158012][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.158012][ T10] netlink_unicast+0x449/0x710 [ 2322.158012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.158012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.158012][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.158012][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.158012][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.158012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.158012][ T10] [ 2322.159524][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2322.159524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.159524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.159524][ T10] ipv6_find_idev+0x102/0x170 [ 2322.159524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.159524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.159524][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.159524][ T10] netlink_unicast+0x449/0x710 [ 2322.159524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.159524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.159524][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.159524][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.159524][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.159524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.159524][ T10] [ 2322.161198][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2322.161479][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2322.161479][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.161479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.161479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.161479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.161479][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.161479][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.161479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.161479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.161479][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.161479][ T10] netlink_unicast+0x449/0x710 [ 2322.161479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.161479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.161479][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.161479][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.161479][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.161479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.161479][ T10] [ 2322.163486][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2322.163486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.163486][ T10] ipv6_find_idev+0x102/0x170 [ 2322.163486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.163486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.163486][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.163486][ T10] netlink_unicast+0x449/0x710 [ 2322.163486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.163486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.163486][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.163486][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.163486][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.163486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.163486][ T10] [ 2322.165010][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2322.165010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.165010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.165010][ T10] ipv6_find_idev+0x102/0x170 [ 2322.165010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.165010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.165010][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.165010][ T10] netlink_unicast+0x449/0x710 [ 2322.165010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.165010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.165010][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.165010][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.165010][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.165010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.165010][ T10] [ 2322.166688][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2322.167385][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2322.167385][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.167385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.167385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.167385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.167385][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.167385][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.167385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.167385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.167385][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.167385][ T10] netlink_unicast+0x449/0x710 [ 2322.167385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.167385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.167385][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.167385][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.167385][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.167385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.167385][ T10] [ 2322.169397][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2322.169397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.169397][ T10] ipv6_find_idev+0x102/0x170 [ 2322.169397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.169397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.169397][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.169397][ T10] netlink_unicast+0x449/0x710 [ 2322.169397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.169397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.169397][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.169397][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.169397][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.169397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.169397][ T10] [ 2322.170936][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2322.170936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.170936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.170936][ T10] ipv6_find_idev+0x102/0x170 [ 2322.170936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.170936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.170936][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.170936][ T10] netlink_unicast+0x449/0x710 [ 2322.170936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.170936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.170936][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.170936][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.170936][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.170936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.170936][ T10] [ 2322.172640][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2322.172956][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2322.172956][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.172956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.172956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.172956][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.172956][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.172956][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.172956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.172956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.172956][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.172956][ T10] netlink_unicast+0x449/0x710 [ 2322.172956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.172956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.172956][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.172956][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.172956][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.172956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.172956][ T10] [ 2322.174928][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2322.174928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.174928][ T10] ipv6_find_idev+0x102/0x170 [ 2322.174928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.174928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.174928][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.174928][ T10] netlink_unicast+0x449/0x710 [ 2322.174928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.174928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.174928][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.174928][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.174928][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.174928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.174928][ T10] [ 2322.176451][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2322.176451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.176451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.176451][ T10] ipv6_find_idev+0x102/0x170 [ 2322.176451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.176451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.176451][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.176451][ T10] netlink_unicast+0x449/0x710 [ 2322.176451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.176451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.176451][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.176451][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.176451][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.176451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.176451][ T10] [ 2322.178156][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2322.178423][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2322.178423][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.178423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.178423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.178423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.178423][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.178423][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.178423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.178423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.178423][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.178423][ T10] netlink_unicast+0x449/0x710 [ 2322.178423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.178423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.178423][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.178423][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.178423][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.178423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.178423][ T10] [ 2322.180465][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2322.180465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.180465][ T10] ipv6_find_idev+0x102/0x170 [ 2322.180465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.180465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.180465][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.180465][ T10] netlink_unicast+0x449/0x710 [ 2322.180465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.180465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.180465][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.180465][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.180465][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.180465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.180465][ T10] [ 2322.182235][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2322.182235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.182235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.182235][ T10] ipv6_find_idev+0x102/0x170 [ 2322.182235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.182235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.182235][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.182235][ T10] netlink_unicast+0x449/0x710 [ 2322.182235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.182235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.182235][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.182235][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.182235][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.182235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.182235][ T10] [ 2322.184166][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2322.184426][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2322.184426][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.184426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.184426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.184426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.184426][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.184426][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.184426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.184426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.184426][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.184426][ T10] netlink_unicast+0x449/0x710 [ 2322.184426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.184426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.184426][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.184426][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.184426][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.184426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.184426][ T10] [ 2322.186576][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2322.186576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.186576][ T10] ipv6_find_idev+0x102/0x170 [ 2322.186576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.186576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.186576][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.186576][ T10] netlink_unicast+0x449/0x710 [ 2322.186576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.186576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.186576][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.186576][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.186576][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.186576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.186576][ T10] [ 2322.188275][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2322.188275][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.188275][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.188275][ T10] ipv6_find_idev+0x102/0x170 [ 2322.188275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.188275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.188275][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.188275][ T10] netlink_unicast+0x449/0x710 [ 2322.188275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.188275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.188275][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.188275][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.188275][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.188275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.188275][ T10] [ 2322.190156][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2322.190475][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2322.190475][ T10] netdev_get_by_index+0x5e/0x80 [ 2322.190475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2322.190475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2322.190475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2322.190475][ T10] ipv6_add_addr+0x411/0x2000 [ 2322.190475][ T10] inet6_addr_add+0x30e/0xa40 [ 2322.190475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.190475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.190475][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.190475][ T10] netlink_unicast+0x449/0x710 [ 2322.190475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.190475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.190475][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.190475][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.190475][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.190475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.190475][ T10] [ 2322.192697][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2322.192697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2322.192697][ T10] ipv6_find_idev+0x102/0x170 [ 2322.192697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.192697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.192697][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.192697][ T10] netlink_unicast+0x449/0x710 [ 2322.192697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.192697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.192697][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.192697][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.192697][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.192697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.192697][ T10] [ 2322.194352][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2322.194352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2322.194352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2322.194352][ T10] ipv6_find_idev+0x102/0x170 [ 2322.194352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.194352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.194352][ T10] netlink_rcv_skb+0x130/0x360 [ 2322.194352][ T10] netlink_unicast+0x449/0x710 [ 2322.194352][ T10] netlink_sendmsg+0x723/0xbe0 [ 2322.194352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2322.194352][ T10] ___sys_sendmsg+0xee/0x170 [ 2322.194352][ T10] __sys_sendmsg+0xcd/0x170 [ 2322.194352][ T10] do_syscall_64+0xc6/0x1e0 [ 2322.194352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.194352][ T10] [ 2332.253956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2332.254962][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2332.254962][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.254962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.254962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.254962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.254962][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.254962][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.254962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.254962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.254962][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.254962][ T10] netlink_unicast+0x449/0x710 [ 2332.254962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.254962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.254962][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.254962][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.254962][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.254962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.254962][ T10] [ 2332.257098][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2332.257098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.257098][ T10] ipv6_find_idev+0x102/0x170 [ 2332.257098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.257098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.257098][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.257098][ T10] netlink_unicast+0x449/0x710 [ 2332.257098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.257098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.257098][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.257098][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.257098][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.257098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.257098][ T10] [ 2332.258611][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2332.258611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.258611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.258611][ T10] ipv6_find_idev+0x102/0x170 [ 2332.258611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.258611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.258611][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.258611][ T10] netlink_unicast+0x449/0x710 [ 2332.258611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.258611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.258611][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.258611][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.258611][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.258611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.258611][ T10] [ 2332.260242][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2332.260603][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2332.260603][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.260603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.260603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.260603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.260603][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.260603][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.260603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.260603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.260603][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.260603][ T10] netlink_unicast+0x449/0x710 [ 2332.260603][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.260603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.260603][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.260603][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.260603][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.260603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.260603][ T10] [ 2332.262605][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2332.262605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.262605][ T10] ipv6_find_idev+0x102/0x170 [ 2332.262605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.262605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.262605][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.262605][ T10] netlink_unicast+0x449/0x710 [ 2332.262605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.262605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.262605][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.262605][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.262605][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.262605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.262605][ T10] [ 2332.264140][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2332.264140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.264140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.264140][ T10] ipv6_find_idev+0x102/0x170 [ 2332.264140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.264140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.264140][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.264140][ T10] netlink_unicast+0x449/0x710 [ 2332.264140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.264140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.264140][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.264140][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.264140][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.264140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.264140][ T10] [ 2332.265804][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2332.266084][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2332.266084][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.266084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.266084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.266084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.266084][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.266084][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.266084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.266084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.266084][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.266084][ T10] netlink_unicast+0x449/0x710 [ 2332.266084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.266084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.266084][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.266084][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.266084][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.266084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.266084][ T10] [ 2332.268046][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2332.268046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.268046][ T10] ipv6_find_idev+0x102/0x170 [ 2332.268046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.268046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.268046][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.268046][ T10] netlink_unicast+0x449/0x710 [ 2332.268046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.268046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.268046][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.268046][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.268046][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.268046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.268046][ T10] [ 2332.269569][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2332.269569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.269569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.269569][ T10] ipv6_find_idev+0x102/0x170 [ 2332.269569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.269569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.269569][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.269569][ T10] netlink_unicast+0x449/0x710 [ 2332.269569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.269569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.269569][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.269569][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.269569][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.269569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.269569][ T10] [ 2332.271260][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2332.271521][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2332.271521][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.271521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.271521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.271521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.271521][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.271521][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.271521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.271521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.271521][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.271521][ T10] netlink_unicast+0x449/0x710 [ 2332.271521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.271521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.271521][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.271521][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.271521][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.271521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.271521][ T10] [ 2332.273515][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2332.273515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.273515][ T10] ipv6_find_idev+0x102/0x170 [ 2332.273515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.273515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.273515][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.273515][ T10] netlink_unicast+0x449/0x710 [ 2332.273515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.273515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.273515][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.273515][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.273515][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.273515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.273515][ T10] [ 2332.275072][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2332.275072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.275072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.275072][ T10] ipv6_find_idev+0x102/0x170 [ 2332.275072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.275072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.275072][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.275072][ T10] netlink_unicast+0x449/0x710 [ 2332.275072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.275072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.275072][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.275072][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.275072][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.275072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.275072][ T10] [ 2332.277153][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2332.277413][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2332.277413][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.277413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.277413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.277413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.277413][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.277413][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.277413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.277413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.277413][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.277413][ T10] netlink_unicast+0x449/0x710 [ 2332.277413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.277413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.277413][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.277413][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.277413][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.277413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.277413][ T10] [ 2332.279380][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2332.279380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.279380][ T10] ipv6_find_idev+0x102/0x170 [ 2332.279380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.279380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.279380][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.279380][ T10] netlink_unicast+0x449/0x710 [ 2332.279380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.279380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.279380][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.279380][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.279380][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.279380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.279380][ T10] [ 2332.280897][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2332.280897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.280897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.280897][ T10] ipv6_find_idev+0x102/0x170 [ 2332.280897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.280897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.280897][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.280897][ T10] netlink_unicast+0x449/0x710 [ 2332.280897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.280897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.280897][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.280897][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.280897][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.280897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.280897][ T10] [ 2332.282607][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2332.282930][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2332.282930][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.282930][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.282930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.282930][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.282930][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.282930][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.282930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.282930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.282930][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.282930][ T10] netlink_unicast+0x449/0x710 [ 2332.282930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.282930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.282930][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.282930][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.282930][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.282930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.282930][ T10] [ 2332.285034][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2332.285034][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.285034][ T10] ipv6_find_idev+0x102/0x170 [ 2332.285034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.285034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.285034][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.285034][ T10] netlink_unicast+0x449/0x710 [ 2332.285034][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.285034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.285034][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.285034][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.285034][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.285034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.285034][ T10] [ 2332.286723][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2332.286723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.286723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.286723][ T10] ipv6_find_idev+0x102/0x170 [ 2332.286723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.286723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.286723][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.286723][ T10] netlink_unicast+0x449/0x710 [ 2332.286723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.286723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.286723][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.286723][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.286723][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.286723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.286723][ T10] [ 2332.288777][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2332.289048][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2332.289048][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.289048][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.289048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.289048][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.289048][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.289048][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.289048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.289048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.289048][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.289048][ T10] netlink_unicast+0x449/0x710 [ 2332.289048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.289048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.289048][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.289048][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.289048][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.289048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.289048][ T10] [ 2332.291263][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2332.291263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.291263][ T10] ipv6_find_idev+0x102/0x170 [ 2332.291263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.291263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.291263][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.291263][ T10] netlink_unicast+0x449/0x710 [ 2332.291263][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.291263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.291263][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.291263][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.291263][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.291263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.291263][ T10] [ 2332.292967][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2332.292967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.292967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.292967][ T10] ipv6_find_idev+0x102/0x170 [ 2332.292967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.292967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.292967][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.292967][ T10] netlink_unicast+0x449/0x710 [ 2332.292967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.292967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.292967][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.292967][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.292967][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.292967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.292967][ T10] [ 2332.294850][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2332.295158][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2332.295158][ T10] netdev_get_by_index+0x5e/0x80 [ 2332.295158][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2332.295158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2332.295158][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2332.295158][ T10] ipv6_add_addr+0x411/0x2000 [ 2332.295158][ T10] inet6_addr_add+0x30e/0xa40 [ 2332.295158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.295158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.295158][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.295158][ T10] netlink_unicast+0x449/0x710 [ 2332.295158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.295158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.295158][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.295158][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.295158][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.295158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.295158][ T10] [ 2332.297313][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2332.297313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2332.297313][ T10] ipv6_find_idev+0x102/0x170 [ 2332.297313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.297313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.297313][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.297313][ T10] netlink_unicast+0x449/0x710 [ 2332.297313][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.297313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.297313][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.297313][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.297313][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.297313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.297313][ T10] [ 2332.299075][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2332.299075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2332.299075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2332.299075][ T10] ipv6_find_idev+0x102/0x170 [ 2332.299075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.299075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.299075][ T10] netlink_rcv_skb+0x130/0x360 [ 2332.299075][ T10] netlink_unicast+0x449/0x710 [ 2332.299075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2332.299075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2332.299075][ T10] ___sys_sendmsg+0xee/0x170 [ 2332.299075][ T10] __sys_sendmsg+0xcd/0x170 [ 2332.299075][ T10] do_syscall_64+0xc6/0x1e0 [ 2332.299075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.299075][ T10] [ 2342.549930][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2342.550440][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2342.550440][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.550440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.550440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.550440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.550440][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.550440][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.550440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.550440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.550440][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.550440][ T10] netlink_unicast+0x449/0x710 [ 2342.550440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.550440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.550440][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.550440][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.550440][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.550440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.550440][ T10] [ 2342.552444][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2342.552444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.552444][ T10] ipv6_find_idev+0x102/0x170 [ 2342.552444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.552444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.552444][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.552444][ T10] netlink_unicast+0x449/0x710 [ 2342.552444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.552444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.552444][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.552444][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.552444][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.552444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.552444][ T10] [ 2342.553996][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2342.553996][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.553996][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.553996][ T10] ipv6_find_idev+0x102/0x170 [ 2342.553996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.553996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.553996][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.553996][ T10] netlink_unicast+0x449/0x710 [ 2342.553996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.553996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.553996][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.553996][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.553996][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.553996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.553996][ T10] [ 2342.555748][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2342.556047][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2342.556047][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.556047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.556047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.556047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.556047][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.556047][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.556047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.556047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.556047][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.556047][ T10] netlink_unicast+0x449/0x710 [ 2342.556047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.556047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.556047][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.556047][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.556047][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.556047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.556047][ T10] [ 2342.558033][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2342.558033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.558033][ T10] ipv6_find_idev+0x102/0x170 [ 2342.558033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.558033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.558033][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.558033][ T10] netlink_unicast+0x449/0x710 [ 2342.558033][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.558033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.558033][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.558033][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.558033][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.558033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.558033][ T10] [ 2342.559562][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2342.559562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.559562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.559562][ T10] ipv6_find_idev+0x102/0x170 [ 2342.559562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.559562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.559562][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.559562][ T10] netlink_unicast+0x449/0x710 [ 2342.559562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.559562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.559562][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.559562][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.559562][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.559562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.559562][ T10] [ 2342.561271][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2342.561542][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2342.561542][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.561542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.561542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.561542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.561542][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.561542][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.561542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.561542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.561542][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.561542][ T10] netlink_unicast+0x449/0x710 [ 2342.561542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.561542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.561542][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.561542][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.561542][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.561542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.561542][ T10] [ 2342.563566][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2342.563566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.563566][ T10] ipv6_find_idev+0x102/0x170 [ 2342.563566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.563566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.563566][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.563566][ T10] netlink_unicast+0x449/0x710 [ 2342.563566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.563566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.563566][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.563566][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.563566][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.563566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.563566][ T10] [ 2342.565068][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2342.565068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.565068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.565068][ T10] ipv6_find_idev+0x102/0x170 [ 2342.565068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.565068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.565068][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.565068][ T10] netlink_unicast+0x449/0x710 [ 2342.565068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.565068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.565068][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.565068][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.565068][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.565068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.565068][ T10] [ 2342.566753][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2342.567454][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2342.567454][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.567454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.567454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.567454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.567454][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.567454][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.567454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.567454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.567454][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.567454][ T10] netlink_unicast+0x449/0x710 [ 2342.567454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.567454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.567454][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.567454][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.567454][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.567454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.567454][ T10] [ 2342.569415][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2342.569415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.569415][ T10] ipv6_find_idev+0x102/0x170 [ 2342.569415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.569415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.569415][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.569415][ T10] netlink_unicast+0x449/0x710 [ 2342.569415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.569415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.569415][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.569415][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.569415][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.569415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.569415][ T10] [ 2342.570962][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2342.570962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.570962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.570962][ T10] ipv6_find_idev+0x102/0x170 [ 2342.570962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.570962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.570962][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.570962][ T10] netlink_unicast+0x449/0x710 [ 2342.570962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.570962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.570962][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.570962][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.570962][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.570962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.570962][ T10] [ 2342.572713][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2342.573033][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2342.573033][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.573033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.573033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.573033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.573033][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.573033][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.573033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.573033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.573033][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.573033][ T10] netlink_unicast+0x449/0x710 [ 2342.573033][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.573033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.573033][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.573033][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.573033][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.573033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.573033][ T10] [ 2342.575014][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2342.575014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.575014][ T10] ipv6_find_idev+0x102/0x170 [ 2342.575014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.575014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.575014][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.575014][ T10] netlink_unicast+0x449/0x710 [ 2342.575014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.575014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.575014][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.575014][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.575014][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.575014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.575014][ T10] [ 2342.576564][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2342.576564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.576564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.576564][ T10] ipv6_find_idev+0x102/0x170 [ 2342.576564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.576564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.576564][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.576564][ T10] netlink_unicast+0x449/0x710 [ 2342.576564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.576564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.576564][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.576564][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.576564][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.576564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.576564][ T10] [ 2342.578320][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2342.578626][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2342.578626][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.578626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.578626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.578626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.578626][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.578626][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.578626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.578626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.578626][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.578626][ T10] netlink_unicast+0x449/0x710 [ 2342.578626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.578626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.578626][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.578626][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.578626][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.578626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.578626][ T10] [ 2342.580670][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2342.580670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.580670][ T10] ipv6_find_idev+0x102/0x170 [ 2342.580670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.580670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.580670][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.580670][ T10] netlink_unicast+0x449/0x710 [ 2342.580670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.580670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.580670][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.580670][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.580670][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.580670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.580670][ T10] [ 2342.582448][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2342.582448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.582448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.582448][ T10] ipv6_find_idev+0x102/0x170 [ 2342.582448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.582448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.582448][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.582448][ T10] netlink_unicast+0x449/0x710 [ 2342.582448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.582448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.582448][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.582448][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.582448][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.582448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.582448][ T10] [ 2342.584372][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2342.584683][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2342.584683][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.584683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.584683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.584683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.584683][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.584683][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.584683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.584683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.584683][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.584683][ T10] netlink_unicast+0x449/0x710 [ 2342.584683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.584683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.584683][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.584683][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.584683][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.584683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.584683][ T10] [ 2342.586949][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2342.586949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.586949][ T10] ipv6_find_idev+0x102/0x170 [ 2342.586949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.586949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.586949][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.586949][ T10] netlink_unicast+0x449/0x710 [ 2342.586949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.586949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.586949][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.586949][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.586949][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.586949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.586949][ T10] [ 2342.588628][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2342.588628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.588628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.588628][ T10] ipv6_find_idev+0x102/0x170 [ 2342.588628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.588628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.588628][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.588628][ T10] netlink_unicast+0x449/0x710 [ 2342.588628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.588628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.588628][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.588628][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.588628][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.588628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.588628][ T10] [ 2342.590558][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2342.590903][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2342.590903][ T10] netdev_get_by_index+0x5e/0x80 [ 2342.590903][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2342.590903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2342.590903][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2342.590903][ T10] ipv6_add_addr+0x411/0x2000 [ 2342.590903][ T10] inet6_addr_add+0x30e/0xa40 [ 2342.590903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.590903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.590903][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.590903][ T10] netlink_unicast+0x449/0x710 [ 2342.590903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.590903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.590903][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.590903][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.590903][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.590903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.590903][ T10] [ 2342.593055][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2342.593055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2342.593055][ T10] ipv6_find_idev+0x102/0x170 [ 2342.593055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.593055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.593055][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.593055][ T10] netlink_unicast+0x449/0x710 [ 2342.593055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.593055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.593055][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.593055][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.593055][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.593055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.593055][ T10] [ 2342.594735][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2342.594735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2342.594735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2342.594735][ T10] ipv6_find_idev+0x102/0x170 [ 2342.594735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.594735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.594735][ T10] netlink_rcv_skb+0x130/0x360 [ 2342.594735][ T10] netlink_unicast+0x449/0x710 [ 2342.594735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2342.594735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2342.594735][ T10] ___sys_sendmsg+0xee/0x170 [ 2342.594735][ T10] __sys_sendmsg+0xcd/0x170 [ 2342.594735][ T10] do_syscall_64+0xc6/0x1e0 [ 2342.594735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.594735][ T10] [ 2352.733971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2352.734529][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2352.734529][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.734529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.734529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.734529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.734529][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.734529][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.734529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.734529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.734529][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.734529][ T10] netlink_unicast+0x449/0x710 [ 2352.734529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.734529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.734529][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.734529][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.734529][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.734529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.734529][ T10] [ 2352.736519][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2352.736519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.736519][ T10] ipv6_find_idev+0x102/0x170 [ 2352.736519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.736519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.736519][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.736519][ T10] netlink_unicast+0x449/0x710 [ 2352.736519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.736519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.736519][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.736519][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.736519][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.736519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.736519][ T10] [ 2352.738058][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2352.738058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.738058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.738058][ T10] ipv6_find_idev+0x102/0x170 [ 2352.738058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.738058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.738058][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.738058][ T10] netlink_unicast+0x449/0x710 [ 2352.738058][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.738058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.738058][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.738058][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.738058][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.738058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.738058][ T10] [ 2352.739746][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2352.740032][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2352.740032][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.740032][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.740032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.740032][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.740032][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.740032][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.740032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.740032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.740032][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.740032][ T10] netlink_unicast+0x449/0x710 [ 2352.740032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.740032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.740032][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.740032][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.740032][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.740032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.740032][ T10] [ 2352.742021][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2352.742021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.742021][ T10] ipv6_find_idev+0x102/0x170 [ 2352.742021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.742021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.742021][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.742021][ T10] netlink_unicast+0x449/0x710 [ 2352.742021][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.742021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.742021][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.742021][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.742021][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.742021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.742021][ T10] [ 2352.743532][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2352.743532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.743532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.743532][ T10] ipv6_find_idev+0x102/0x170 [ 2352.743532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.743532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.743532][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.743532][ T10] netlink_unicast+0x449/0x710 [ 2352.743532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.743532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.743532][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.743532][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.743532][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.743532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.743532][ T10] [ 2352.745162][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2352.745439][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2352.745439][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.745439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.745439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.745439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.745439][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.745439][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.745439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.745439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.745439][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.745439][ T10] netlink_unicast+0x449/0x710 [ 2352.745439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.745439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.745439][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.745439][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.745439][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.745439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.745439][ T10] [ 2352.747425][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2352.747425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.747425][ T10] ipv6_find_idev+0x102/0x170 [ 2352.747425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.747425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.747425][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.747425][ T10] netlink_unicast+0x449/0x710 [ 2352.747425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.747425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.747425][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.747425][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.747425][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.747425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.747425][ T10] [ 2352.748909][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2352.748909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.748909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.748909][ T10] ipv6_find_idev+0x102/0x170 [ 2352.748909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.748909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.748909][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.748909][ T10] netlink_unicast+0x449/0x710 [ 2352.748909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.748909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.748909][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.748909][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.748909][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.748909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.748909][ T10] [ 2352.750527][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2352.750810][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2352.750810][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.750810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.750810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.750810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.750810][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.750810][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.750810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.750810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.750810][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.750810][ T10] netlink_unicast+0x449/0x710 [ 2352.750810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.750810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.750810][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.750810][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.750810][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.750810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.750810][ T10] [ 2352.752781][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2352.752781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.752781][ T10] ipv6_find_idev+0x102/0x170 [ 2352.752781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.752781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.752781][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.752781][ T10] netlink_unicast+0x449/0x710 [ 2352.752781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.752781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.752781][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.752781][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.752781][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.752781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.752781][ T10] [ 2352.754310][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2352.754310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.754310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.754310][ T10] ipv6_find_idev+0x102/0x170 [ 2352.754310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.754310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.754310][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.754310][ T10] netlink_unicast+0x449/0x710 [ 2352.754310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.754310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.754310][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.754310][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.754310][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.754310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.754310][ T10] [ 2352.756381][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2352.756647][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2352.756647][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.756647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.756647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.756647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.756647][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.756647][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.756647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.756647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.756647][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.756647][ T10] netlink_unicast+0x449/0x710 [ 2352.756647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.756647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.756647][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.756647][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.756647][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.756647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.756647][ T10] [ 2352.758722][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2352.758722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.758722][ T10] ipv6_find_idev+0x102/0x170 [ 2352.758722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.758722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.758722][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.758722][ T10] netlink_unicast+0x449/0x710 [ 2352.758722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.758722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.758722][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.758722][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.758722][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.758722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.758722][ T10] [ 2352.760254][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2352.760254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.760254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.760254][ T10] ipv6_find_idev+0x102/0x170 [ 2352.760254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.760254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.760254][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.760254][ T10] netlink_unicast+0x449/0x710 [ 2352.760254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.760254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.760254][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.760254][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.760254][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.760254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.760254][ T10] [ 2352.761972][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2352.762231][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2352.762231][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.762231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.762231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.762231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.762231][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.762231][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.762231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.762231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.762231][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.762231][ T10] netlink_unicast+0x449/0x710 [ 2352.762231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.762231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.762231][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.762231][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.762231][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.762231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.762231][ T10] [ 2352.764322][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2352.764322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.764322][ T10] ipv6_find_idev+0x102/0x170 [ 2352.764322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.764322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.764322][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.764322][ T10] netlink_unicast+0x449/0x710 [ 2352.764322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.764322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.764322][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.764322][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.764322][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.764322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.764322][ T10] [ 2352.766593][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2352.766593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.766593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.766593][ T10] ipv6_find_idev+0x102/0x170 [ 2352.766593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.766593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.766593][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.766593][ T10] netlink_unicast+0x449/0x710 [ 2352.766593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.766593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.766593][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.766593][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.766593][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.766593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.766593][ T10] [ 2352.768535][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2352.768794][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2352.768794][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.768794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.768794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.768794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.768794][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.768794][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.768794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.768794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.768794][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.768794][ T10] netlink_unicast+0x449/0x710 [ 2352.768794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.768794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.768794][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.768794][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.768794][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.768794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.768794][ T10] [ 2352.770949][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2352.770949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.770949][ T10] ipv6_find_idev+0x102/0x170 [ 2352.770949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.770949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.770949][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.770949][ T10] netlink_unicast+0x449/0x710 [ 2352.770949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.770949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.770949][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.770949][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.770949][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.770949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.770949][ T10] [ 2352.772646][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2352.772646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.772646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.772646][ T10] ipv6_find_idev+0x102/0x170 [ 2352.772646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.772646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.772646][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.772646][ T10] netlink_unicast+0x449/0x710 [ 2352.772646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.772646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.772646][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.772646][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.772646][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.772646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.772646][ T10] [ 2352.774572][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2352.774884][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2352.774884][ T10] netdev_get_by_index+0x5e/0x80 [ 2352.774884][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2352.774884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2352.774884][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2352.774884][ T10] ipv6_add_addr+0x411/0x2000 [ 2352.774884][ T10] inet6_addr_add+0x30e/0xa40 [ 2352.774884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.774884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.774884][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.774884][ T10] netlink_unicast+0x449/0x710 [ 2352.774884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.774884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.774884][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.774884][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.774884][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.774884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.774884][ T10] [ 2352.777097][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2352.777097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2352.777097][ T10] ipv6_find_idev+0x102/0x170 [ 2352.777097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.777097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.777097][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.777097][ T10] netlink_unicast+0x449/0x710 [ 2352.777097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.777097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.777097][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.777097][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.777097][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.777097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.777097][ T10] [ 2352.778794][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2352.778794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2352.778794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2352.778794][ T10] ipv6_find_idev+0x102/0x170 [ 2352.778794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.778794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.778794][ T10] netlink_rcv_skb+0x130/0x360 [ 2352.778794][ T10] netlink_unicast+0x449/0x710 [ 2352.778794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2352.778794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2352.778794][ T10] ___sys_sendmsg+0xee/0x170 [ 2352.778794][ T10] __sys_sendmsg+0xcd/0x170 [ 2352.778794][ T10] do_syscall_64+0xc6/0x1e0 [ 2352.778794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.778794][ T10] [ 2363.021911][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2363.022408][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2363.022408][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.022408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.022408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.022408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.022408][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.022408][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.022408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.022408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.022408][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.022408][ T10] netlink_unicast+0x449/0x710 [ 2363.022408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.022408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.022408][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.022408][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.022408][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.022408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.022408][ T10] [ 2363.024361][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2363.024361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.024361][ T10] ipv6_find_idev+0x102/0x170 [ 2363.024361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.024361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.024361][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.024361][ T10] netlink_unicast+0x449/0x710 [ 2363.024361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.024361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.024361][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.024361][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.024361][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.024361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.024361][ T10] [ 2363.025900][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2363.025900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.025900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.025900][ T10] ipv6_find_idev+0x102/0x170 [ 2363.025900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.025900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.025900][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.025900][ T10] netlink_unicast+0x449/0x710 [ 2363.025900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.025900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.025900][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.025900][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.025900][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.025900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.025900][ T10] [ 2363.027537][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2363.027849][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2363.027849][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.027849][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.027849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.027849][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.027849][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.027849][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.027849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.027849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.027849][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.027849][ T10] netlink_unicast+0x449/0x710 [ 2363.027849][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.027849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.027849][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.027849][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.027849][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.027849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.027849][ T10] [ 2363.029809][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2363.029809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.029809][ T10] ipv6_find_idev+0x102/0x170 [ 2363.029809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.029809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.029809][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.029809][ T10] netlink_unicast+0x449/0x710 [ 2363.029809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.029809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.029809][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.029809][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.029809][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.029809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.029809][ T10] [ 2363.031361][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2363.031361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.031361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.031361][ T10] ipv6_find_idev+0x102/0x170 [ 2363.031361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.031361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.031361][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.031361][ T10] netlink_unicast+0x449/0x710 [ 2363.031361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.031361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.031361][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.031361][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.031361][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.031361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.031361][ T10] [ 2363.032982][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2363.033252][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2363.033252][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.033252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.033252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.033252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.033252][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.033252][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.033252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.033252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.033252][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.033252][ T10] netlink_unicast+0x449/0x710 [ 2363.033252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.033252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.033252][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.033252][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.033252][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.033252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.033252][ T10] [ 2363.035175][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2363.035175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.035175][ T10] ipv6_find_idev+0x102/0x170 [ 2363.035175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.035175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.035175][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.035175][ T10] netlink_unicast+0x449/0x710 [ 2363.035175][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.035175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.035175][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.035175][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.035175][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.035175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.035175][ T10] [ 2363.036697][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2363.036697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.036697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.036697][ T10] ipv6_find_idev+0x102/0x170 [ 2363.036697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.036697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.036697][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.036697][ T10] netlink_unicast+0x449/0x710 [ 2363.036697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.036697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.036697][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.036697][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.036697][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.036697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.036697][ T10] [ 2363.038341][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2363.038592][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2363.038592][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.038592][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.038592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.038592][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.038592][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.038592][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.038592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.038592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.038592][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.038592][ T10] netlink_unicast+0x449/0x710 [ 2363.038592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.038592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.038592][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.038592][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.038592][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.038592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.038592][ T10] [ 2363.040512][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2363.040512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.040512][ T10] ipv6_find_idev+0x102/0x170 [ 2363.040512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.040512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.040512][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.040512][ T10] netlink_unicast+0x449/0x710 [ 2363.040512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.040512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.040512][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.040512][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.040512][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.040512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.040512][ T10] [ 2363.042047][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2363.042047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.042047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.042047][ T10] ipv6_find_idev+0x102/0x170 [ 2363.042047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.042047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.042047][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.042047][ T10] netlink_unicast+0x449/0x710 [ 2363.042047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.042047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.042047][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.042047][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.042047][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.042047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.042047][ T10] [ 2363.044085][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2363.044340][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2363.044340][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.044340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.044340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.044340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.044340][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.044340][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.044340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.044340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.044340][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.044340][ T10] netlink_unicast+0x449/0x710 [ 2363.044340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.044340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.044340][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.044340][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.044340][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.044340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.044340][ T10] [ 2363.046268][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2363.046268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.046268][ T10] ipv6_find_idev+0x102/0x170 [ 2363.046268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.046268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.046268][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.046268][ T10] netlink_unicast+0x449/0x710 [ 2363.046268][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.046268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.046268][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.046268][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.046268][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.046268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.046268][ T10] [ 2363.047904][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2363.047904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.047904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.047904][ T10] ipv6_find_idev+0x102/0x170 [ 2363.047904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.047904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.047904][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.047904][ T10] netlink_unicast+0x449/0x710 [ 2363.047904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.047904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.047904][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.047904][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.047904][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.047904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.047904][ T10] [ 2363.049638][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2363.049953][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2363.049953][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.049953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.049953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.049953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.049953][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.049953][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.049953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.049953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.049953][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.049953][ T10] netlink_unicast+0x449/0x710 [ 2363.049953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.049953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.049953][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.049953][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.049953][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.049953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.049953][ T10] [ 2363.051999][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2363.051999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.051999][ T10] ipv6_find_idev+0x102/0x170 [ 2363.051999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.051999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.051999][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.051999][ T10] netlink_unicast+0x449/0x710 [ 2363.051999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.051999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.051999][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.051999][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.051999][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.051999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.051999][ T10] [ 2363.053656][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2363.053656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.053656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.053656][ T10] ipv6_find_idev+0x102/0x170 [ 2363.053656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.053656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.053656][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.053656][ T10] netlink_unicast+0x449/0x710 [ 2363.053656][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.053656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.053656][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.053656][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.053656][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.053656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.053656][ T10] [ 2363.055488][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2363.055756][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2363.055756][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.055756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.055756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.055756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.055756][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.055756][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.055756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.055756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.055756][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.055756][ T10] netlink_unicast+0x449/0x710 [ 2363.055756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.055756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.055756][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.055756][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.055756][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.055756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.055756][ T10] [ 2363.057867][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2363.057867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.057867][ T10] ipv6_find_idev+0x102/0x170 [ 2363.057867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.057867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.057867][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.057867][ T10] netlink_unicast+0x449/0x710 [ 2363.057867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.057867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.057867][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.057867][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.057867][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.057867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.057867][ T10] [ 2363.059510][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2363.059510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.059510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.059510][ T10] ipv6_find_idev+0x102/0x170 [ 2363.059510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.059510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.059510][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.059510][ T10] netlink_unicast+0x449/0x710 [ 2363.059510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.059510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.059510][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.059510][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.059510][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.059510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.059510][ T10] [ 2363.061273][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2363.061531][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2363.061531][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.061531][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.061531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.061531][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.061531][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.061531][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.061531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.061531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.061531][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.061531][ T10] netlink_unicast+0x449/0x710 [ 2363.061531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.061531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.061531][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.061531][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.061531][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.061531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.061531][ T10] [ 2363.063693][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2363.063693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.063693][ T10] ipv6_find_idev+0x102/0x170 [ 2363.063693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.063693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.063693][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.063693][ T10] netlink_unicast+0x449/0x710 [ 2363.063693][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.063693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.063693][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.063693][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.063693][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.063693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.063693][ T10] [ 2363.065270][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2363.065270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.065270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.065270][ T10] ipv6_find_idev+0x102/0x170 [ 2363.065270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.065270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.065270][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.065270][ T10] netlink_unicast+0x449/0x710 [ 2363.065270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.065270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.065270][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.065270][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.065270][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.065270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.065270][ T10] [ 2373.309984][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2373.310480][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2373.310480][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.310480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.310480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.310480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.310480][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.310480][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.310480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.310480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.310480][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.310480][ T10] netlink_unicast+0x449/0x710 [ 2373.310480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.310480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.310480][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.310480][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.310480][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.310480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.310480][ T10] [ 2373.312598][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2373.312598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.312598][ T10] ipv6_find_idev+0x102/0x170 [ 2373.312598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.312598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.312598][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.312598][ T10] netlink_unicast+0x449/0x710 [ 2373.312598][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.312598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.312598][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.312598][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.312598][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.312598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.312598][ T10] [ 2373.314130][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2373.314130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.314130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.314130][ T10] ipv6_find_idev+0x102/0x170 [ 2373.314130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.314130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.314130][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.314130][ T10] netlink_unicast+0x449/0x710 [ 2373.314130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.314130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.314130][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.314130][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.314130][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.314130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.314130][ T10] [ 2373.315789][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2373.316064][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2373.316064][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.316064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.316064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.316064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.316064][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.316064][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.316064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.316064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.316064][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.316064][ T10] netlink_unicast+0x449/0x710 [ 2373.316064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.316064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.316064][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.316064][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.316064][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.316064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.316064][ T10] [ 2373.318011][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2373.318011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.318011][ T10] ipv6_find_idev+0x102/0x170 [ 2373.318011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.318011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.318011][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.318011][ T10] netlink_unicast+0x449/0x710 [ 2373.318011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.318011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.318011][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.318011][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.318011][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.318011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.318011][ T10] [ 2373.319522][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2373.319522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.319522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.319522][ T10] ipv6_find_idev+0x102/0x170 [ 2373.319522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.319522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.319522][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.319522][ T10] netlink_unicast+0x449/0x710 [ 2373.319522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.319522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.319522][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.319522][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.319522][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.319522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.319522][ T10] [ 2373.321228][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2373.321502][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2373.321502][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.321502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.321502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.321502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.321502][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.321502][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.321502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.321502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.321502][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.321502][ T10] netlink_unicast+0x449/0x710 [ 2373.321502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.321502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.321502][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.321502][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.321502][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.321502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.321502][ T10] [ 2373.323482][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2373.323482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.323482][ T10] ipv6_find_idev+0x102/0x170 [ 2373.323482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.323482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.323482][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.323482][ T10] netlink_unicast+0x449/0x710 [ 2373.323482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.323482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.323482][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.323482][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.323482][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.323482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.323482][ T10] [ 2373.324999][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2373.324999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.324999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.324999][ T10] ipv6_find_idev+0x102/0x170 [ 2373.324999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.324999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.324999][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.324999][ T10] netlink_unicast+0x449/0x710 [ 2373.324999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.324999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.324999][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.324999][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.324999][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.324999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.324999][ T10] [ 2373.326623][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2373.327352][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2373.327352][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.327352][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.327352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.327352][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.327352][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.327352][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.327352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.327352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.327352][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.327352][ T10] netlink_unicast+0x449/0x710 [ 2373.327352][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.327352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.327352][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.327352][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.327352][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.327352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.327352][ T10] [ 2373.329336][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2373.329336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.329336][ T10] ipv6_find_idev+0x102/0x170 [ 2373.329336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.329336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.329336][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.329336][ T10] netlink_unicast+0x449/0x710 [ 2373.329336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.329336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.329336][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.329336][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.329336][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.329336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.329336][ T10] [ 2373.330862][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2373.330862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.330862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.330862][ T10] ipv6_find_idev+0x102/0x170 [ 2373.330862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.330862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.330862][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.330862][ T10] netlink_unicast+0x449/0x710 [ 2373.330862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.330862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.330862][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.330862][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.330862][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.330862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.330862][ T10] [ 2373.332570][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2373.332879][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2373.332879][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.332879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.332879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.332879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.332879][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.332879][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.332879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.332879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.332879][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.332879][ T10] netlink_unicast+0x449/0x710 [ 2373.332879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.332879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.332879][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.332879][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.332879][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.332879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.332879][ T10] [ 2373.334851][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2373.334851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.334851][ T10] ipv6_find_idev+0x102/0x170 [ 2373.334851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.334851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.334851][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.334851][ T10] netlink_unicast+0x449/0x710 [ 2373.334851][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.334851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.334851][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.334851][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.334851][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.334851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.334851][ T10] [ 2373.336363][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2373.336363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.336363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.336363][ T10] ipv6_find_idev+0x102/0x170 [ 2373.336363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.336363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.336363][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.336363][ T10] netlink_unicast+0x449/0x710 [ 2373.336363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.336363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.336363][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.336363][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.336363][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.336363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.336363][ T10] [ 2373.338059][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2373.338322][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2373.338322][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.338322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.338322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.338322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.338322][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.338322][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.338322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.338322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.338322][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.338322][ T10] netlink_unicast+0x449/0x710 [ 2373.338322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.338322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.338322][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.338322][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.338322][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.338322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.338322][ T10] [ 2373.340349][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2373.340349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.340349][ T10] ipv6_find_idev+0x102/0x170 [ 2373.340349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.340349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.340349][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.340349][ T10] netlink_unicast+0x449/0x710 [ 2373.340349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.340349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.340349][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.340349][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.340349][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.340349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.340349][ T10] [ 2373.342055][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2373.342055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.342055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.342055][ T10] ipv6_find_idev+0x102/0x170 [ 2373.342055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.342055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.342055][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.342055][ T10] netlink_unicast+0x449/0x710 [ 2373.342055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.342055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.342055][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.342055][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.342055][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.342055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.342055][ T10] [ 2373.344041][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2373.344300][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2373.344300][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.344300][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.344300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.344300][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.344300][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.344300][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.344300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.344300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.344300][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.344300][ T10] netlink_unicast+0x449/0x710 [ 2373.344300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.344300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.344300][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.344300][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.344300][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.344300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.344300][ T10] [ 2373.346457][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2373.346457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.346457][ T10] ipv6_find_idev+0x102/0x170 [ 2373.346457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.346457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.346457][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.346457][ T10] netlink_unicast+0x449/0x710 [ 2373.346457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.346457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.346457][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.346457][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.346457][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.346457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.346457][ T10] [ 2373.348157][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2373.348157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.348157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.348157][ T10] ipv6_find_idev+0x102/0x170 [ 2373.348157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.348157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.348157][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.348157][ T10] netlink_unicast+0x449/0x710 [ 2373.348157][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.348157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.348157][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.348157][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.348157][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.348157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.348157][ T10] [ 2373.350030][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2373.350334][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2373.350334][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.350334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.350334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.350334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.350334][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.350334][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.350334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.350334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.350334][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.350334][ T10] netlink_unicast+0x449/0x710 [ 2373.350334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.350334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.350334][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.350334][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.350334][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.350334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.350334][ T10] [ 2373.352486][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2373.352486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.352486][ T10] ipv6_find_idev+0x102/0x170 [ 2373.352486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.352486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.352486][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.352486][ T10] netlink_unicast+0x449/0x710 [ 2373.352486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.352486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.352486][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.352486][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.352486][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.352486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.352486][ T10] [ 2373.354246][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2373.354246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.354246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.354246][ T10] ipv6_find_idev+0x102/0x170 [ 2373.354246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.354246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.354246][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.354246][ T10] netlink_unicast+0x449/0x710 [ 2373.354246][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.354246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.354246][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.354246][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.354246][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.354246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.354246][ T10] [ 2383.597896][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2383.598415][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2383.598415][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.598415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.598415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.598415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.598415][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.598415][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.598415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.598415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.598415][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.598415][ T10] netlink_unicast+0x449/0x710 [ 2383.598415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.598415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.598415][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.598415][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.598415][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.598415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.598415][ T10] [ 2383.600411][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2383.600411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.600411][ T10] ipv6_find_idev+0x102/0x170 [ 2383.600411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.600411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.600411][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.600411][ T10] netlink_unicast+0x449/0x710 [ 2383.600411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.600411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.600411][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.600411][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.600411][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.600411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.600411][ T10] [ 2383.601937][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2383.601937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.601937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.601937][ T10] ipv6_find_idev+0x102/0x170 [ 2383.601937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.601937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.601937][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.601937][ T10] netlink_unicast+0x449/0x710 [ 2383.601937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.601937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.601937][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.601937][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.601937][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.601937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.601937][ T10] [ 2383.603605][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2383.603884][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2383.603884][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.603884][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.603884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.603884][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.603884][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.603884][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.603884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.603884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.603884][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.603884][ T10] netlink_unicast+0x449/0x710 [ 2383.603884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.603884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.603884][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.603884][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.603884][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.603884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.603884][ T10] [ 2383.605859][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2383.605859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.605859][ T10] ipv6_find_idev+0x102/0x170 [ 2383.605859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.605859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.605859][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.605859][ T10] netlink_unicast+0x449/0x710 [ 2383.605859][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.605859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.605859][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.605859][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.605859][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.605859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.605859][ T10] [ 2383.607389][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2383.607389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.607389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.607389][ T10] ipv6_find_idev+0x102/0x170 [ 2383.607389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.607389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.607389][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.607389][ T10] netlink_unicast+0x449/0x710 [ 2383.607389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.607389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.607389][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.607389][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.607389][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.607389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.607389][ T10] [ 2383.609062][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2383.609330][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2383.609330][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.609330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.609330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.609330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.609330][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.609330][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.609330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.609330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.609330][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.609330][ T10] netlink_unicast+0x449/0x710 [ 2383.609330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.609330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.609330][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.609330][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.609330][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.609330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.609330][ T10] [ 2383.611323][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2383.611323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.611323][ T10] ipv6_find_idev+0x102/0x170 [ 2383.611323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.611323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.611323][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.611323][ T10] netlink_unicast+0x449/0x710 [ 2383.611323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.611323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.611323][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.611323][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.611323][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.611323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.611323][ T10] [ 2383.612850][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2383.612850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.612850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.612850][ T10] ipv6_find_idev+0x102/0x170 [ 2383.612850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.612850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.612850][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.612850][ T10] netlink_unicast+0x449/0x710 [ 2383.612850][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.612850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.612850][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.612850][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.612850][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.612850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.612850][ T10] [ 2383.614504][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2383.614783][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2383.614783][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.614783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.614783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.614783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.614783][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.614783][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.614783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.614783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.614783][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.614783][ T10] netlink_unicast+0x449/0x710 [ 2383.614783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.614783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.614783][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.614783][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.614783][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.614783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.614783][ T10] [ 2383.616754][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2383.616754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.616754][ T10] ipv6_find_idev+0x102/0x170 [ 2383.616754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.616754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.616754][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.616754][ T10] netlink_unicast+0x449/0x710 [ 2383.616754][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.616754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.616754][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.616754][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.616754][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.616754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.616754][ T10] [ 2383.618264][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2383.618264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.618264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.618264][ T10] ipv6_find_idev+0x102/0x170 [ 2383.618264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.618264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.618264][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.618264][ T10] netlink_unicast+0x449/0x710 [ 2383.618264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.618264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.618264][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.618264][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.618264][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.618264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.618264][ T10] [ 2383.620346][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2383.620611][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2383.620611][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.620611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.620611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.620611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.620611][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.620611][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.620611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.620611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.620611][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.620611][ T10] netlink_unicast+0x449/0x710 [ 2383.620611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.620611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.620611][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.620611][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.620611][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.620611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.620611][ T10] [ 2383.622572][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2383.622572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.622572][ T10] ipv6_find_idev+0x102/0x170 [ 2383.622572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.622572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.622572][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.622572][ T10] netlink_unicast+0x449/0x710 [ 2383.622572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.622572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.622572][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.622572][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.622572][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.622572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.622572][ T10] [ 2383.624072][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2383.624072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.624072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.624072][ T10] ipv6_find_idev+0x102/0x170 [ 2383.624072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.624072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.624072][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.624072][ T10] netlink_unicast+0x449/0x710 [ 2383.624072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.624072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.624072][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.624072][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.624072][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.624072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.624072][ T10] [ 2383.625781][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2383.626039][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2383.626039][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.626039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.626039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.626039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.626039][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.626039][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.626039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.626039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.626039][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.626039][ T10] netlink_unicast+0x449/0x710 [ 2383.626039][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.626039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.626039][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.626039][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.626039][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.626039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.626039][ T10] [ 2383.628158][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2383.628158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.628158][ T10] ipv6_find_idev+0x102/0x170 [ 2383.628158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.628158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.628158][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.628158][ T10] netlink_unicast+0x449/0x710 [ 2383.628158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.628158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.628158][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.628158][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.628158][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.628158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.628158][ T10] [ 2383.629832][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2383.629832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.629832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.629832][ T10] ipv6_find_idev+0x102/0x170 [ 2383.629832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.629832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.629832][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.629832][ T10] netlink_unicast+0x449/0x710 [ 2383.629832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.629832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.629832][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.629832][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.629832][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.629832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.629832][ T10] [ 2383.631863][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2383.632121][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2383.632121][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.632121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.632121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.632121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.632121][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.632121][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.632121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.632121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.632121][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.632121][ T10] netlink_unicast+0x449/0x710 [ 2383.632121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.632121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.632121][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.632121][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.632121][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.632121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.632121][ T10] [ 2383.634280][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2383.634280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.634280][ T10] ipv6_find_idev+0x102/0x170 [ 2383.634280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.634280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.634280][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.634280][ T10] netlink_unicast+0x449/0x710 [ 2383.634280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.634280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.634280][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.634280][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.634280][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.634280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.634280][ T10] [ 2383.635956][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2383.635956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.635956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.635956][ T10] ipv6_find_idev+0x102/0x170 [ 2383.635956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.635956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.635956][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.635956][ T10] netlink_unicast+0x449/0x710 [ 2383.635956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.635956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.635956][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.635956][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.635956][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.635956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.635956][ T10] [ 2383.637861][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2383.638122][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2383.638122][ T10] netdev_get_by_index+0x5e/0x80 [ 2383.638122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2383.638122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2383.638122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2383.638122][ T10] ipv6_add_addr+0x411/0x2000 [ 2383.638122][ T10] inet6_addr_add+0x30e/0xa40 [ 2383.638122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.638122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.638122][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.638122][ T10] netlink_unicast+0x449/0x710 [ 2383.638122][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.638122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.638122][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.638122][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.638122][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.638122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.638122][ T10] [ 2383.640229][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2383.640229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2383.640229][ T10] ipv6_find_idev+0x102/0x170 [ 2383.640229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.640229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.640229][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.640229][ T10] netlink_unicast+0x449/0x710 [ 2383.640229][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.640229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.640229][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.640229][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.640229][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.640229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.640229][ T10] [ 2383.641891][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2383.641891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2383.641891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2383.641891][ T10] ipv6_find_idev+0x102/0x170 [ 2383.641891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.641891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.641891][ T10] netlink_rcv_skb+0x130/0x360 [ 2383.641891][ T10] netlink_unicast+0x449/0x710 [ 2383.641891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2383.641891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2383.641891][ T10] ___sys_sendmsg+0xee/0x170 [ 2383.641891][ T10] __sys_sendmsg+0xcd/0x170 [ 2383.641891][ T10] do_syscall_64+0xc6/0x1e0 [ 2383.641891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.641891][ T10] [ 2393.765835][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2393.766325][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2393.766325][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.766325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.766325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.766325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.766325][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.766325][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.766325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.766325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.766325][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.766325][ T10] netlink_unicast+0x449/0x710 [ 2393.766325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.766325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.766325][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.766325][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.766325][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.766325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.766325][ T10] [ 2393.768282][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2393.768282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.768282][ T10] ipv6_find_idev+0x102/0x170 [ 2393.768282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.768282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.768282][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.768282][ T10] netlink_unicast+0x449/0x710 [ 2393.768282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.768282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.768282][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.768282][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.768282][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.768282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.768282][ T10] [ 2393.769819][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2393.769819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.769819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.769819][ T10] ipv6_find_idev+0x102/0x170 [ 2393.769819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.769819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.769819][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.769819][ T10] netlink_unicast+0x449/0x710 [ 2393.769819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.769819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.769819][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.769819][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.769819][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.769819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.769819][ T10] [ 2393.771467][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2393.771752][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2393.771752][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.771752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.771752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.771752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.771752][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.771752][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.771752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.771752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.771752][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.771752][ T10] netlink_unicast+0x449/0x710 [ 2393.771752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.771752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.771752][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.771752][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.771752][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.771752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.771752][ T10] [ 2393.773816][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2393.773816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.773816][ T10] ipv6_find_idev+0x102/0x170 [ 2393.773816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.773816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.773816][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.773816][ T10] netlink_unicast+0x449/0x710 [ 2393.773816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.773816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.773816][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.773816][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.773816][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.773816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.773816][ T10] [ 2393.775352][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2393.775352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.775352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.775352][ T10] ipv6_find_idev+0x102/0x170 [ 2393.775352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.775352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.775352][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.775352][ T10] netlink_unicast+0x449/0x710 [ 2393.775352][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.775352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.775352][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.775352][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.775352][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.775352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.775352][ T10] [ 2393.777026][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2393.777297][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2393.777297][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.777297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.777297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.777297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.777297][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.777297][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.777297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.777297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.777297][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.777297][ T10] netlink_unicast+0x449/0x710 [ 2393.777297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.777297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.777297][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.777297][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.777297][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.777297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.777297][ T10] [ 2393.779288][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2393.779288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.779288][ T10] ipv6_find_idev+0x102/0x170 [ 2393.779288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.779288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.779288][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.779288][ T10] netlink_unicast+0x449/0x710 [ 2393.779288][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.779288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.779288][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.779288][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.779288][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.779288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.779288][ T10] [ 2393.780829][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2393.780829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.780829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.780829][ T10] ipv6_find_idev+0x102/0x170 [ 2393.780829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.780829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.780829][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.780829][ T10] netlink_unicast+0x449/0x710 [ 2393.780829][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.780829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.780829][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.780829][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.780829][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.780829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.780829][ T10] [ 2393.782492][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2393.782756][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2393.782756][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.782756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.782756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.782756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.782756][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.782756][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.782756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.782756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.782756][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.782756][ T10] netlink_unicast+0x449/0x710 [ 2393.782756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.782756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.782756][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.782756][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.782756][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.782756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.782756][ T10] [ 2393.784741][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2393.784741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.784741][ T10] ipv6_find_idev+0x102/0x170 [ 2393.784741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.784741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.784741][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.784741][ T10] netlink_unicast+0x449/0x710 [ 2393.784741][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.784741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.784741][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.784741][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.784741][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.784741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.784741][ T10] [ 2393.786264][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2393.786264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.786264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.786264][ T10] ipv6_find_idev+0x102/0x170 [ 2393.786264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.786264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.786264][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.786264][ T10] netlink_unicast+0x449/0x710 [ 2393.786264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.786264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.786264][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.786264][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.786264][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.786264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.786264][ T10] [ 2393.788327][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2393.788586][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2393.788586][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.788586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.788586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.788586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.788586][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.788586][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.788586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.788586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.788586][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.788586][ T10] netlink_unicast+0x449/0x710 [ 2393.788586][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.788586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.788586][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.788586][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.788586][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.788586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.788586][ T10] [ 2393.790563][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2393.790563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.790563][ T10] ipv6_find_idev+0x102/0x170 [ 2393.790563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.790563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.790563][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.790563][ T10] netlink_unicast+0x449/0x710 [ 2393.790563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.790563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.790563][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.790563][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.790563][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.790563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.790563][ T10] [ 2393.792081][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2393.792081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.792081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.792081][ T10] ipv6_find_idev+0x102/0x170 [ 2393.792081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.792081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.792081][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.792081][ T10] netlink_unicast+0x449/0x710 [ 2393.792081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.792081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.792081][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.792081][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.792081][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.792081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.792081][ T10] [ 2393.793804][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2393.794064][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2393.794064][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.794064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.794064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.794064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.794064][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.794064][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.794064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.794064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.794064][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.794064][ T10] netlink_unicast+0x449/0x710 [ 2393.794064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.794064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.794064][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.794064][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.794064][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.794064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.794064][ T10] [ 2393.796167][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2393.796167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.796167][ T10] ipv6_find_idev+0x102/0x170 [ 2393.796167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.796167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.796167][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.796167][ T10] netlink_unicast+0x449/0x710 [ 2393.796167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.796167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.796167][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.796167][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.796167][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.796167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.796167][ T10] [ 2393.797928][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2393.797928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.797928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.797928][ T10] ipv6_find_idev+0x102/0x170 [ 2393.797928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.797928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.797928][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.797928][ T10] netlink_unicast+0x449/0x710 [ 2393.797928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.797928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.797928][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.797928][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.797928][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.797928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.797928][ T10] [ 2393.799873][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2393.800131][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2393.800131][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.800131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.800131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.800131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.800131][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.800131][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.800131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.800131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.800131][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.800131][ T10] netlink_unicast+0x449/0x710 [ 2393.800131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.800131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.800131][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.800131][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.800131][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.800131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.800131][ T10] [ 2393.802288][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2393.802288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.802288][ T10] ipv6_find_idev+0x102/0x170 [ 2393.802288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.802288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.802288][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.802288][ T10] netlink_unicast+0x449/0x710 [ 2393.802288][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.802288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.802288][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.802288][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.802288][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.802288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.802288][ T10] [ 2393.803989][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2393.803989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.803989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.803989][ T10] ipv6_find_idev+0x102/0x170 [ 2393.803989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.803989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.803989][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.803989][ T10] netlink_unicast+0x449/0x710 [ 2393.803989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.803989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.803989][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.803989][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.803989][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.803989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.803989][ T10] [ 2393.805924][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2393.806182][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2393.806182][ T10] netdev_get_by_index+0x5e/0x80 [ 2393.806182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2393.806182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2393.806182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2393.806182][ T10] ipv6_add_addr+0x411/0x2000 [ 2393.806182][ T10] inet6_addr_add+0x30e/0xa40 [ 2393.806182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.806182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.806182][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.806182][ T10] netlink_unicast+0x449/0x710 [ 2393.806182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.806182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.806182][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.806182][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.806182][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.806182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.806182][ T10] [ 2393.808932][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2393.808932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2393.808932][ T10] ipv6_find_idev+0x102/0x170 [ 2393.808932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.808932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.808932][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.808932][ T10] netlink_unicast+0x449/0x710 [ 2393.808932][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.808932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.808932][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.808932][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.808932][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.808932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.808932][ T10] [ 2393.811014][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2393.811014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2393.811014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2393.811014][ T10] ipv6_find_idev+0x102/0x170 [ 2393.811014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.811014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.811014][ T10] netlink_rcv_skb+0x130/0x360 [ 2393.811014][ T10] netlink_unicast+0x449/0x710 [ 2393.811014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2393.811014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2393.811014][ T10] ___sys_sendmsg+0xee/0x170 [ 2393.811014][ T10] __sys_sendmsg+0xcd/0x170 [ 2393.811014][ T10] do_syscall_64+0xc6/0x1e0 [ 2393.811014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.811014][ T10] [ 2404.053900][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2404.054397][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2404.054397][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.054397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.054397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.054397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.054397][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.054397][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.054397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.054397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.054397][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.054397][ T10] netlink_unicast+0x449/0x710 [ 2404.054397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.054397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.054397][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.054397][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.054397][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.054397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.054397][ T10] [ 2404.056393][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2404.056393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.056393][ T10] ipv6_find_idev+0x102/0x170 [ 2404.056393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.056393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.056393][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.056393][ T10] netlink_unicast+0x449/0x710 [ 2404.056393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.056393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.056393][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.056393][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.056393][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.056393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.056393][ T10] [ 2404.057916][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2404.057916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.057916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.057916][ T10] ipv6_find_idev+0x102/0x170 [ 2404.057916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.057916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.057916][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.057916][ T10] netlink_unicast+0x449/0x710 [ 2404.057916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.057916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.057916][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.057916][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.057916][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.057916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.057916][ T10] [ 2404.059603][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2404.059921][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2404.059921][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.059921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.059921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.059921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.059921][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.059921][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.059921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.059921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.059921][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.059921][ T10] netlink_unicast+0x449/0x710 [ 2404.059921][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.059921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.059921][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.059921][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.059921][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.059921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.059921][ T10] [ 2404.061921][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2404.061921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.061921][ T10] ipv6_find_idev+0x102/0x170 [ 2404.061921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.061921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.061921][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.061921][ T10] netlink_unicast+0x449/0x710 [ 2404.061921][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.061921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.061921][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.061921][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.061921][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.061921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.061921][ T10] [ 2404.063449][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2404.063449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.063449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.063449][ T10] ipv6_find_idev+0x102/0x170 [ 2404.063449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.063449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.063449][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.063449][ T10] netlink_unicast+0x449/0x710 [ 2404.063449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.063449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.063449][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.063449][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.063449][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.063449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.063449][ T10] [ 2404.065067][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2404.065348][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2404.065348][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.065348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.065348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.065348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.065348][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.065348][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.065348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.065348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.065348][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.065348][ T10] netlink_unicast+0x449/0x710 [ 2404.065348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.065348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.065348][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.065348][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.065348][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.065348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.065348][ T10] [ 2404.067312][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2404.067312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.067312][ T10] ipv6_find_idev+0x102/0x170 [ 2404.067312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.067312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.067312][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.067312][ T10] netlink_unicast+0x449/0x710 [ 2404.067312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.067312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.067312][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.067312][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.067312][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.067312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.067312][ T10] [ 2404.068798][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2404.068798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.068798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.068798][ T10] ipv6_find_idev+0x102/0x170 [ 2404.068798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.068798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.068798][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.068798][ T10] netlink_unicast+0x449/0x710 [ 2404.068798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.068798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.068798][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.068798][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.068798][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.068798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.068798][ T10] [ 2404.070491][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2404.070764][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2404.070764][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.070764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.070764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.070764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.070764][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.070764][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.070764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.070764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.070764][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.070764][ T10] netlink_unicast+0x449/0x710 [ 2404.070764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.070764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.070764][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.070764][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.070764][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.070764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.070764][ T10] [ 2404.072758][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2404.072758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.072758][ T10] ipv6_find_idev+0x102/0x170 [ 2404.072758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.072758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.072758][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.072758][ T10] netlink_unicast+0x449/0x710 [ 2404.072758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.072758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.072758][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.072758][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.072758][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.072758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.072758][ T10] [ 2404.074280][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2404.074280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.074280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.074280][ T10] ipv6_find_idev+0x102/0x170 [ 2404.074280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.074280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.074280][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.074280][ T10] netlink_unicast+0x449/0x710 [ 2404.074280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.074280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.074280][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.074280][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.074280][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.074280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.074280][ T10] [ 2404.076362][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2404.076628][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2404.076628][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.076628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.076628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.076628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.076628][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.076628][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.076628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.076628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.076628][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.076628][ T10] netlink_unicast+0x449/0x710 [ 2404.076628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.076628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.076628][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.076628][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.076628][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.076628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.076628][ T10] [ 2404.079000][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2404.079000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.079000][ T10] ipv6_find_idev+0x102/0x170 [ 2404.079000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.079000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.079000][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.079000][ T10] netlink_unicast+0x449/0x710 [ 2404.079000][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.079000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.079000][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.079000][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.079000][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.079000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.079000][ T10] [ 2404.080526][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2404.080526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.080526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.080526][ T10] ipv6_find_idev+0x102/0x170 [ 2404.080526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.080526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.080526][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.080526][ T10] netlink_unicast+0x449/0x710 [ 2404.080526][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.080526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.080526][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.080526][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.080526][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.080526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.080526][ T10] [ 2404.082223][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2404.082491][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2404.082491][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.082491][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.082491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.082491][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.082491][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.082491][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.082491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.082491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.082491][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.082491][ T10] netlink_unicast+0x449/0x710 [ 2404.082491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.082491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.082491][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.082491][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.082491][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.082491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.082491][ T10] [ 2404.084583][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2404.084583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.084583][ T10] ipv6_find_idev+0x102/0x170 [ 2404.084583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.084583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.084583][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.084583][ T10] netlink_unicast+0x449/0x710 [ 2404.084583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.084583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.084583][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.084583][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.084583][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.084583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.084583][ T10] [ 2404.086429][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2404.086429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.086429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.086429][ T10] ipv6_find_idev+0x102/0x170 [ 2404.086429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.086429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.086429][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.086429][ T10] netlink_unicast+0x449/0x710 [ 2404.086429][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.086429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.086429][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.086429][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.086429][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.086429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.086429][ T10] [ 2404.088367][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2404.088629][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2404.088629][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.088629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.088629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.088629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.088629][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.088629][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.088629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.088629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.088629][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.088629][ T10] netlink_unicast+0x449/0x710 [ 2404.088629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.088629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.088629][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.088629][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.088629][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.088629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.088629][ T10] [ 2404.090789][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2404.090789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.090789][ T10] ipv6_find_idev+0x102/0x170 [ 2404.090789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.090789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.090789][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.090789][ T10] netlink_unicast+0x449/0x710 [ 2404.090789][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.090789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.090789][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.090789][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.090789][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.090789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.090789][ T10] [ 2404.092490][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2404.092490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.092490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.092490][ T10] ipv6_find_idev+0x102/0x170 [ 2404.092490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.092490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.092490][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.092490][ T10] netlink_unicast+0x449/0x710 [ 2404.092490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.092490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.092490][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.092490][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.092490][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.092490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.092490][ T10] [ 2404.094424][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2404.094683][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2404.094683][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.094683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.094683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.094683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.094683][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.094683][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.094683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.094683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.094683][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.094683][ T10] netlink_unicast+0x449/0x710 [ 2404.094683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.094683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.094683][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.094683][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.094683][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.094683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.094683][ T10] [ 2404.096897][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2404.096897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.096897][ T10] ipv6_find_idev+0x102/0x170 [ 2404.096897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.096897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.096897][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.096897][ T10] netlink_unicast+0x449/0x710 [ 2404.096897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.096897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.096897][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.096897][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.096897][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.096897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.096897][ T10] [ 2404.098600][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2404.098600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.098600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.098600][ T10] ipv6_find_idev+0x102/0x170 [ 2404.098600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.098600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.098600][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.098600][ T10] netlink_unicast+0x449/0x710 [ 2404.098600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.098600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.098600][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.098600][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.098600][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.098600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.098600][ T10] [ 2414.245906][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2414.246387][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2414.246387][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.246387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.246387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.246387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.246387][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.246387][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.246387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.246387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.246387][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.246387][ T10] netlink_unicast+0x449/0x710 [ 2414.246387][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.246387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.246387][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.246387][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.246387][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.246387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.246387][ T10] [ 2414.248406][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2414.248406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.248406][ T10] ipv6_find_idev+0x102/0x170 [ 2414.248406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.248406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.248406][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.248406][ T10] netlink_unicast+0x449/0x710 [ 2414.248406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.248406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.248406][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.248406][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.248406][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.248406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.248406][ T10] [ 2414.249929][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2414.249929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.249929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.249929][ T10] ipv6_find_idev+0x102/0x170 [ 2414.249929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.249929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.249929][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.249929][ T10] netlink_unicast+0x449/0x710 [ 2414.249929][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.249929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.249929][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.249929][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.249929][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.249929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.249929][ T10] [ 2414.251608][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2414.251894][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2414.251894][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.251894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.251894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.251894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.251894][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.251894][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.251894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.251894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.251894][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.251894][ T10] netlink_unicast+0x449/0x710 [ 2414.251894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.251894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.251894][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.251894][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.251894][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.251894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.251894][ T10] [ 2414.253871][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2414.253871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.253871][ T10] ipv6_find_idev+0x102/0x170 [ 2414.253871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.253871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.253871][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.253871][ T10] netlink_unicast+0x449/0x710 [ 2414.253871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.253871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.253871][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.253871][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.253871][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.253871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.253871][ T10] [ 2414.255400][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2414.255400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.255400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.255400][ T10] ipv6_find_idev+0x102/0x170 [ 2414.255400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.255400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.255400][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.255400][ T10] netlink_unicast+0x449/0x710 [ 2414.255400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.255400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.255400][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.255400][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.255400][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.255400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.255400][ T10] [ 2414.257066][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2414.257331][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2414.257331][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.257331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.257331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.257331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.257331][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.257331][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.257331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.257331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.257331][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.257331][ T10] netlink_unicast+0x449/0x710 [ 2414.257331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.257331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.257331][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.257331][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.257331][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.257331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.257331][ T10] [ 2414.259304][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2414.259304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.259304][ T10] ipv6_find_idev+0x102/0x170 [ 2414.259304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.259304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.259304][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.259304][ T10] netlink_unicast+0x449/0x710 [ 2414.259304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.259304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.259304][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.259304][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.259304][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.259304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.259304][ T10] [ 2414.260838][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2414.260838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.260838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.260838][ T10] ipv6_find_idev+0x102/0x170 [ 2414.260838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.260838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.260838][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.260838][ T10] netlink_unicast+0x449/0x710 [ 2414.260838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.260838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.260838][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.260838][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.260838][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.260838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.260838][ T10] [ 2414.262498][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2414.262762][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2414.262762][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.262762][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.262762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.262762][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.262762][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.262762][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.262762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.262762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.262762][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.262762][ T10] netlink_unicast+0x449/0x710 [ 2414.262762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.262762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.262762][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.262762][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.262762][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.262762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.262762][ T10] [ 2414.264734][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2414.264734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.264734][ T10] ipv6_find_idev+0x102/0x170 [ 2414.264734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.264734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.264734][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.264734][ T10] netlink_unicast+0x449/0x710 [ 2414.264734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.264734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.264734][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.264734][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.264734][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.264734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.264734][ T10] [ 2414.266259][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2414.266259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.266259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.266259][ T10] ipv6_find_idev+0x102/0x170 [ 2414.266259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.266259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.266259][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.266259][ T10] netlink_unicast+0x449/0x710 [ 2414.266259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.266259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.266259][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.266259][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.266259][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.266259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.266259][ T10] [ 2414.267972][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2414.268232][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2414.268232][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.268232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.268232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.268232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.268232][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.268232][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.268232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.268232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.268232][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.268232][ T10] netlink_unicast+0x449/0x710 [ 2414.268232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.268232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.268232][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.268232][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.268232][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.268232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.268232][ T10] [ 2414.270206][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2414.270206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.270206][ T10] ipv6_find_idev+0x102/0x170 [ 2414.270206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.270206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.270206][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.270206][ T10] netlink_unicast+0x449/0x710 [ 2414.270206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.270206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.270206][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.270206][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.270206][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.270206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.270206][ T10] [ 2414.271791][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2414.271791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.271791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.271791][ T10] ipv6_find_idev+0x102/0x170 [ 2414.271791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.271791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.271791][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.271791][ T10] netlink_unicast+0x449/0x710 [ 2414.271791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.271791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.271791][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.271791][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.271791][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.271791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.271791][ T10] [ 2414.273679][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2414.273990][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2414.273990][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.273990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.273990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.273990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.273990][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.273990][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.273990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.273990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.273990][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.273990][ T10] netlink_unicast+0x449/0x710 [ 2414.273990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.273990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.273990][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.273990][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.273990][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.273990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.273990][ T10] [ 2414.276205][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2414.276205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.276205][ T10] ipv6_find_idev+0x102/0x170 [ 2414.276205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.276205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.276205][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.276205][ T10] netlink_unicast+0x449/0x710 [ 2414.276205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.276205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.276205][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.276205][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.276205][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.276205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.276205][ T10] [ 2414.277905][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2414.277905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.277905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.277905][ T10] ipv6_find_idev+0x102/0x170 [ 2414.277905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.277905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.277905][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.277905][ T10] netlink_unicast+0x449/0x710 [ 2414.277905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.277905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.277905][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.277905][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.277905][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.277905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.277905][ T10] [ 2414.279800][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2414.280067][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2414.280067][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.280067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.280067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.280067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.280067][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.280067][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.280067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.280067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.280067][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.280067][ T10] netlink_unicast+0x449/0x710 [ 2414.280067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.280067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.280067][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.280067][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.280067][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.280067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.280067][ T10] [ 2414.282225][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2414.282225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.282225][ T10] ipv6_find_idev+0x102/0x170 [ 2414.282225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.282225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.282225][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.282225][ T10] netlink_unicast+0x449/0x710 [ 2414.282225][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.282225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.282225][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.282225][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.282225][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.282225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.282225][ T10] [ 2414.283937][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2414.283937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.283937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.283937][ T10] ipv6_find_idev+0x102/0x170 [ 2414.283937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.283937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.283937][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.283937][ T10] netlink_unicast+0x449/0x710 [ 2414.283937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.283937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.283937][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.283937][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.283937][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.283937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.283937][ T10] [ 2414.285880][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2414.286145][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2414.286145][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.286145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.286145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.286145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.286145][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.286145][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.286145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.286145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.286145][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.286145][ T10] netlink_unicast+0x449/0x710 [ 2414.286145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.286145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.286145][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.286145][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.286145][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.286145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.286145][ T10] [ 2414.288377][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2414.288377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.288377][ T10] ipv6_find_idev+0x102/0x170 [ 2414.288377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.288377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.288377][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.288377][ T10] netlink_unicast+0x449/0x710 [ 2414.288377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.288377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.288377][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.288377][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.288377][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.288377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.288377][ T10] [ 2414.290082][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2414.290082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.290082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.290082][ T10] ipv6_find_idev+0x102/0x170 [ 2414.290082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.290082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.290082][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.290082][ T10] netlink_unicast+0x449/0x710 [ 2414.290082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.290082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.290082][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.290082][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.290082][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.290082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.290082][ T10] [ 2424.509896][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2424.510395][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2424.510395][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.510395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.510395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.510395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.510395][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.510395][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.510395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.510395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.510395][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.510395][ T10] netlink_unicast+0x449/0x710 [ 2424.510395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.510395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.510395][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.510395][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.510395][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.510395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.510395][ T10] [ 2424.512428][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2424.512428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.512428][ T10] ipv6_find_idev+0x102/0x170 [ 2424.512428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.512428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.512428][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.512428][ T10] netlink_unicast+0x449/0x710 [ 2424.512428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.512428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.512428][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.512428][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.512428][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.512428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.512428][ T10] [ 2424.513976][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2424.513976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.513976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.513976][ T10] ipv6_find_idev+0x102/0x170 [ 2424.513976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.513976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.513976][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.513976][ T10] netlink_unicast+0x449/0x710 [ 2424.513976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.513976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.513976][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.513976][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.513976][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.513976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.513976][ T10] [ 2424.515693][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2424.515985][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2424.515985][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.515985][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.515985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.515985][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.515985][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.515985][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.515985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.515985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.515985][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.515985][ T10] netlink_unicast+0x449/0x710 [ 2424.515985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.515985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.515985][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.515985][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.515985][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.515985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.515985][ T10] [ 2424.518006][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2424.518006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.518006][ T10] ipv6_find_idev+0x102/0x170 [ 2424.518006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.518006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.518006][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.518006][ T10] netlink_unicast+0x449/0x710 [ 2424.518006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.518006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.518006][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.518006][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.518006][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.518006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.518006][ T10] [ 2424.519556][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2424.519556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.519556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.519556][ T10] ipv6_find_idev+0x102/0x170 [ 2424.519556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.519556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.519556][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.519556][ T10] netlink_unicast+0x449/0x710 [ 2424.519556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.519556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.519556][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.519556][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.519556][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.519556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.519556][ T10] [ 2424.521802][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2424.522075][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2424.522075][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.522075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.522075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.522075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.522075][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.522075][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.522075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.522075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.522075][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.522075][ T10] netlink_unicast+0x449/0x710 [ 2424.522075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.522075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.522075][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.522075][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.522075][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.522075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.522075][ T10] [ 2424.524077][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2424.524077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.524077][ T10] ipv6_find_idev+0x102/0x170 [ 2424.524077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.524077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.524077][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.524077][ T10] netlink_unicast+0x449/0x710 [ 2424.524077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.524077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.524077][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.524077][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.524077][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.524077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.524077][ T10] [ 2424.525620][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2424.525620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.525620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.525620][ T10] ipv6_find_idev+0x102/0x170 [ 2424.525620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.525620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.525620][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.525620][ T10] netlink_unicast+0x449/0x710 [ 2424.525620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.525620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.525620][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.525620][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.525620][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.525620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.525620][ T10] [ 2424.527301][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2424.527570][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2424.527570][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.527570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.527570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.527570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.527570][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.527570][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.527570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.527570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.527570][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.527570][ T10] netlink_unicast+0x449/0x710 [ 2424.527570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.527570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.527570][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.527570][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.527570][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.527570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.527570][ T10] [ 2424.529694][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2424.529694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.529694][ T10] ipv6_find_idev+0x102/0x170 [ 2424.529694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.529694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.529694][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.529694][ T10] netlink_unicast+0x449/0x710 [ 2424.529694][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.529694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.529694][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.529694][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.529694][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.529694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.529694][ T10] [ 2424.531277][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2424.531277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.531277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.531277][ T10] ipv6_find_idev+0x102/0x170 [ 2424.531277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.531277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.531277][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.531277][ T10] netlink_unicast+0x449/0x710 [ 2424.531277][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.531277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.531277][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.531277][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.531277][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.531277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.531277][ T10] [ 2424.533376][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2424.533986][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2424.533986][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.533986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.533986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.533986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.533986][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.533986][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.533986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.533986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.533986][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.533986][ T10] netlink_unicast+0x449/0x710 [ 2424.533986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.533986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.533986][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.533986][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.533986][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.533986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.533986][ T10] [ 2424.535987][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2424.535987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.535987][ T10] ipv6_find_idev+0x102/0x170 [ 2424.535987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.535987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.535987][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.535987][ T10] netlink_unicast+0x449/0x710 [ 2424.535987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.535987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.535987][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.535987][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.535987][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.535987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.535987][ T10] [ 2424.537530][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2424.537530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.537530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.537530][ T10] ipv6_find_idev+0x102/0x170 [ 2424.537530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.537530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.537530][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.537530][ T10] netlink_unicast+0x449/0x710 [ 2424.537530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.537530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.537530][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.537530][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.537530][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.537530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.537530][ T10] [ 2424.539221][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2424.539485][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2424.539485][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.539485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.539485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.539485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.539485][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.539485][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.539485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.539485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.539485][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.539485][ T10] netlink_unicast+0x449/0x710 [ 2424.539485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.539485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.539485][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.539485][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.539485][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.539485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.539485][ T10] [ 2424.541496][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2424.541496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.541496][ T10] ipv6_find_idev+0x102/0x170 [ 2424.541496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.541496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.541496][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.541496][ T10] netlink_unicast+0x449/0x710 [ 2424.541496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.541496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.541496][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.541496][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.541496][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.541496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.541496][ T10] [ 2424.543540][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2424.543540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.543540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.543540][ T10] ipv6_find_idev+0x102/0x170 [ 2424.543540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.543540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.543540][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.543540][ T10] netlink_unicast+0x449/0x710 [ 2424.543540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.543540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.543540][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.543540][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.543540][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.543540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.543540][ T10] [ 2424.545517][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2424.545835][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2424.545835][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.545835][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.545835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.545835][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.545835][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.545835][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.545835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.545835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.545835][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.545835][ T10] netlink_unicast+0x449/0x710 [ 2424.545835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.545835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.545835][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.545835][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.545835][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.545835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.545835][ T10] [ 2424.548016][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2424.548016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.548016][ T10] ipv6_find_idev+0x102/0x170 [ 2424.548016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.548016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.548016][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.548016][ T10] netlink_unicast+0x449/0x710 [ 2424.548016][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.548016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.548016][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.548016][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.548016][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.548016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.548016][ T10] [ 2424.549736][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2424.549736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.549736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.549736][ T10] ipv6_find_idev+0x102/0x170 [ 2424.549736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.549736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.549736][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.549736][ T10] netlink_unicast+0x449/0x710 [ 2424.549736][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.549736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.549736][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.549736][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.549736][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.549736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.549736][ T10] [ 2424.551666][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2424.551989][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2424.551989][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.551989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.551989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.551989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.551989][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.551989][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.551989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.551989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.551989][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.551989][ T10] netlink_unicast+0x449/0x710 [ 2424.551989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.551989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.551989][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.551989][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.551989][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.551989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.551989][ T10] [ 2424.554171][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2424.554171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.554171][ T10] ipv6_find_idev+0x102/0x170 [ 2424.554171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.554171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.554171][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.554171][ T10] netlink_unicast+0x449/0x710 [ 2424.554171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.554171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.554171][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.554171][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.554171][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.554171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.554171][ T10] [ 2424.555893][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2424.555893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.555893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.555893][ T10] ipv6_find_idev+0x102/0x170 [ 2424.555893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.555893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.555893][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.555893][ T10] netlink_unicast+0x449/0x710 [ 2424.555893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.555893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.555893][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.555893][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.555893][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.555893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.555893][ T10] [ 2434.813968][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2434.814460][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2434.814460][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.814460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.814460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.814460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.814460][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.814460][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.814460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.814460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.814460][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.814460][ T10] netlink_unicast+0x449/0x710 [ 2434.814460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.814460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.814460][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.814460][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.814460][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.814460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.814460][ T10] [ 2434.816461][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2434.816461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.816461][ T10] ipv6_find_idev+0x102/0x170 [ 2434.816461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.816461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.816461][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.816461][ T10] netlink_unicast+0x449/0x710 [ 2434.816461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.816461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.816461][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.816461][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.816461][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.816461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.816461][ T10] [ 2434.817978][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2434.817978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.817978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.817978][ T10] ipv6_find_idev+0x102/0x170 [ 2434.817978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.817978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.817978][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.817978][ T10] netlink_unicast+0x449/0x710 [ 2434.817978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.817978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.817978][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.817978][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.817978][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.817978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.817978][ T10] [ 2434.819609][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2434.819903][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2434.819903][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.819903][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.819903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.819903][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.819903][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.819903][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.819903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.819903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.819903][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.819903][ T10] netlink_unicast+0x449/0x710 [ 2434.819903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.819903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.819903][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.819903][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.819903][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.819903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.819903][ T10] [ 2434.821889][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2434.821889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.821889][ T10] ipv6_find_idev+0x102/0x170 [ 2434.821889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.821889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.821889][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.821889][ T10] netlink_unicast+0x449/0x710 [ 2434.821889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.821889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.821889][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.821889][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.821889][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.821889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.821889][ T10] [ 2434.823556][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2434.823556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.823556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.823556][ T10] ipv6_find_idev+0x102/0x170 [ 2434.823556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.823556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.823556][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.823556][ T10] netlink_unicast+0x449/0x710 [ 2434.823556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.823556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.823556][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.823556][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.823556][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.823556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.823556][ T10] [ 2434.825285][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2434.825564][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2434.825564][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.825564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.825564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.825564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.825564][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.825564][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.825564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.825564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.825564][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.825564][ T10] netlink_unicast+0x449/0x710 [ 2434.825564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.825564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.825564][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.825564][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.825564][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.825564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.825564][ T10] [ 2434.827571][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2434.827571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.827571][ T10] ipv6_find_idev+0x102/0x170 [ 2434.827571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.827571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.827571][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.827571][ T10] netlink_unicast+0x449/0x710 [ 2434.827571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.827571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.827571][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.827571][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.827571][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.827571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.827571][ T10] [ 2434.829172][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2434.829172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.829172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.829172][ T10] ipv6_find_idev+0x102/0x170 [ 2434.829172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.829172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.829172][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.829172][ T10] netlink_unicast+0x449/0x710 [ 2434.829172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.829172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.829172][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.829172][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.829172][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.829172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.829172][ T10] [ 2434.830844][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2434.831126][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2434.831126][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.831126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.831126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.831126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.831126][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.831126][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.831126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.831126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.831126][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.831126][ T10] netlink_unicast+0x449/0x710 [ 2434.831126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.831126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.831126][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.831126][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.831126][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.831126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.831126][ T10] [ 2434.833171][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2434.833171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.833171][ T10] ipv6_find_idev+0x102/0x170 [ 2434.833171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.833171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.833171][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.833171][ T10] netlink_unicast+0x449/0x710 [ 2434.833171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.833171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.833171][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.833171][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.833171][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.833171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.833171][ T10] [ 2434.834735][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2434.834735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.834735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.834735][ T10] ipv6_find_idev+0x102/0x170 [ 2434.834735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.834735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.834735][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.834735][ T10] netlink_unicast+0x449/0x710 [ 2434.834735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.834735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.834735][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.834735][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.834735][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.834735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.834735][ T10] [ 2434.836855][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2434.837127][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2434.837127][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.837127][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.837127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.837127][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.837127][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.837127][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.837127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.837127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.837127][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.837127][ T10] netlink_unicast+0x449/0x710 [ 2434.837127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.837127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.837127][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.837127][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.837127][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.837127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.837127][ T10] [ 2434.839147][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2434.839147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.839147][ T10] ipv6_find_idev+0x102/0x170 [ 2434.839147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.839147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.839147][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.839147][ T10] netlink_unicast+0x449/0x710 [ 2434.839147][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.839147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.839147][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.839147][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.839147][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.839147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.839147][ T10] [ 2434.840722][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2434.840722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.840722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.840722][ T10] ipv6_find_idev+0x102/0x170 [ 2434.840722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.840722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.840722][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.840722][ T10] netlink_unicast+0x449/0x710 [ 2434.840722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.840722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.840722][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.840722][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.840722][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.840722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.840722][ T10] [ 2434.842477][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2434.842745][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2434.842745][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.842745][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.842745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.842745][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.842745][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.842745][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.842745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.842745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.842745][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.842745][ T10] netlink_unicast+0x449/0x710 [ 2434.842745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.842745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.842745][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.842745][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.842745][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.842745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.842745][ T10] [ 2434.844889][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2434.844889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.844889][ T10] ipv6_find_idev+0x102/0x170 [ 2434.844889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.844889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.844889][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.844889][ T10] netlink_unicast+0x449/0x710 [ 2434.844889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.844889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.844889][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.844889][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.844889][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.844889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.844889][ T10] [ 2434.846648][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2434.846648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.846648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.846648][ T10] ipv6_find_idev+0x102/0x170 [ 2434.846648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.846648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.846648][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.846648][ T10] netlink_unicast+0x449/0x710 [ 2434.846648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.846648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.846648][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.846648][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.846648][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.846648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.846648][ T10] [ 2434.848572][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2434.848887][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2434.848887][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.848887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.848887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.848887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.848887][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.848887][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.848887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.848887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.848887][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.848887][ T10] netlink_unicast+0x449/0x710 [ 2434.848887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.848887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.848887][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.848887][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.848887][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.848887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.848887][ T10] [ 2434.851133][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2434.851133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.851133][ T10] ipv6_find_idev+0x102/0x170 [ 2434.851133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.851133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.851133][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.851133][ T10] netlink_unicast+0x449/0x710 [ 2434.851133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.851133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.851133][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.851133][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.851133][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.851133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.851133][ T10] [ 2434.852878][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2434.852878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.852878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.852878][ T10] ipv6_find_idev+0x102/0x170 [ 2434.852878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.852878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.852878][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.852878][ T10] netlink_unicast+0x449/0x710 [ 2434.852878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.852878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.852878][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.852878][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.852878][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.852878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.852878][ T10] [ 2434.854812][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2434.855125][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2434.855125][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.855125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.855125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.855125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.855125][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.855125][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.855125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.855125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.855125][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.855125][ T10] netlink_unicast+0x449/0x710 [ 2434.855125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.855125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.855125][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.855125][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.855125][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.855125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.855125][ T10] [ 2434.857408][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2434.857408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.857408][ T10] ipv6_find_idev+0x102/0x170 [ 2434.857408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.857408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.857408][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.857408][ T10] netlink_unicast+0x449/0x710 [ 2434.857408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.857408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.857408][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.857408][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.857408][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.857408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.857408][ T10] [ 2434.859135][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2434.859135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.859135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.859135][ T10] ipv6_find_idev+0x102/0x170 [ 2434.859135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.859135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.859135][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.859135][ T10] netlink_unicast+0x449/0x710 [ 2434.859135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.859135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.859135][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.859135][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.859135][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.859135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.859135][ T10] [ 2445.109823][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2445.110312][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2445.110312][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.110312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.110312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.110312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.110312][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.110312][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.110312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.110312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.110312][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.110312][ T10] netlink_unicast+0x449/0x710 [ 2445.110312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.110312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.110312][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.110312][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.110312][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.110312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.110312][ T10] [ 2445.112345][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2445.112345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.112345][ T10] ipv6_find_idev+0x102/0x170 [ 2445.112345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.112345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.112345][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.112345][ T10] netlink_unicast+0x449/0x710 [ 2445.112345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.112345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.112345][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.112345][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.112345][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.112345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.112345][ T10] [ 2445.113908][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2445.113908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.113908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.113908][ T10] ipv6_find_idev+0x102/0x170 [ 2445.113908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.113908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.113908][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.113908][ T10] netlink_unicast+0x449/0x710 [ 2445.113908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.113908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.113908][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.113908][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.113908][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.113908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.113908][ T10] [ 2445.115587][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2445.115958][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2445.115958][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.115958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.115958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.115958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.115958][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.115958][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.115958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.115958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.115958][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.115958][ T10] netlink_unicast+0x449/0x710 [ 2445.115958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.115958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.115958][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.115958][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.115958][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.115958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.115958][ T10] [ 2445.117941][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2445.117941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.117941][ T10] ipv6_find_idev+0x102/0x170 [ 2445.117941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.117941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.117941][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.117941][ T10] netlink_unicast+0x449/0x710 [ 2445.117941][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.117941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.117941][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.117941][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.117941][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.117941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.117941][ T10] [ 2445.119495][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2445.119495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.119495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.119495][ T10] ipv6_find_idev+0x102/0x170 [ 2445.119495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.119495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.119495][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.119495][ T10] netlink_unicast+0x449/0x710 [ 2445.119495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.119495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.119495][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.119495][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.119495][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.119495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.119495][ T10] [ 2445.121165][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2445.121435][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2445.121435][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.121435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.121435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.121435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.121435][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.121435][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.121435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.121435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.121435][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.121435][ T10] netlink_unicast+0x449/0x710 [ 2445.121435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.121435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.121435][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.121435][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.121435][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.121435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.121435][ T10] [ 2445.123404][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2445.123404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.123404][ T10] ipv6_find_idev+0x102/0x170 [ 2445.123404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.123404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.123404][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.123404][ T10] netlink_unicast+0x449/0x710 [ 2445.123404][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.123404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.123404][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.123404][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.123404][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.123404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.123404][ T10] [ 2445.124941][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2445.124941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.124941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.124941][ T10] ipv6_find_idev+0x102/0x170 [ 2445.124941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.124941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.124941][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.124941][ T10] netlink_unicast+0x449/0x710 [ 2445.124941][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.124941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.124941][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.124941][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.124941][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.124941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.124941][ T10] [ 2445.126608][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2445.126935][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2445.126935][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.126935][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.126935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.126935][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.126935][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.126935][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.126935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.126935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.126935][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.126935][ T10] netlink_unicast+0x449/0x710 [ 2445.126935][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.126935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.126935][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.126935][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.126935][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.126935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.126935][ T10] [ 2445.128911][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2445.128911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.128911][ T10] ipv6_find_idev+0x102/0x170 [ 2445.128911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.128911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.128911][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.128911][ T10] netlink_unicast+0x449/0x710 [ 2445.128911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.128911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.128911][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.128911][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.128911][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.128911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.128911][ T10] [ 2445.130464][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2445.130464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.130464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.130464][ T10] ipv6_find_idev+0x102/0x170 [ 2445.130464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.130464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.130464][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.130464][ T10] netlink_unicast+0x449/0x710 [ 2445.130464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.130464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.130464][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.130464][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.130464][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.130464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.130464][ T10] [ 2445.132174][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2445.132484][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2445.132484][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.132484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.132484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.132484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.132484][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.132484][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.132484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.132484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.132484][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.132484][ T10] netlink_unicast+0x449/0x710 [ 2445.132484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.132484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.132484][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.132484][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.132484][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.132484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.132484][ T10] [ 2445.134490][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2445.134490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.134490][ T10] ipv6_find_idev+0x102/0x170 [ 2445.134490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.134490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.134490][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.134490][ T10] netlink_unicast+0x449/0x710 [ 2445.134490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.134490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.134490][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.134490][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.134490][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.134490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.134490][ T10] [ 2445.136019][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2445.136019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.136019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.136019][ T10] ipv6_find_idev+0x102/0x170 [ 2445.136019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.136019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.136019][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.136019][ T10] netlink_unicast+0x449/0x710 [ 2445.136019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.136019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.136019][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.136019][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.136019][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.136019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.136019][ T10] [ 2445.137920][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2445.138182][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2445.138182][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.138182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.138182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.138182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.138182][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.138182][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.138182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.138182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.138182][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.138182][ T10] netlink_unicast+0x449/0x710 [ 2445.138182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.138182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.138182][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.138182][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.138182][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.138182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.138182][ T10] [ 2445.140419][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2445.140419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.140419][ T10] ipv6_find_idev+0x102/0x170 [ 2445.140419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.140419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.140419][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.140419][ T10] netlink_unicast+0x449/0x710 [ 2445.140419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.140419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.140419][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.140419][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.140419][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.140419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.140419][ T10] [ 2445.142119][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2445.142119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.142119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.142119][ T10] ipv6_find_idev+0x102/0x170 [ 2445.142119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.142119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.142119][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.142119][ T10] netlink_unicast+0x449/0x710 [ 2445.142119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.142119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.142119][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.142119][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.142119][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.142119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.142119][ T10] [ 2445.144121][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2445.144394][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2445.144394][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.144394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.144394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.144394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.144394][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.144394][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.144394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.144394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.144394][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.144394][ T10] netlink_unicast+0x449/0x710 [ 2445.144394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.144394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.144394][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.144394][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.144394][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.144394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.144394][ T10] [ 2445.146553][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2445.146553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.146553][ T10] ipv6_find_idev+0x102/0x170 [ 2445.146553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.146553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.146553][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.146553][ T10] netlink_unicast+0x449/0x710 [ 2445.146553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.146553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.146553][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.146553][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.146553][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.146553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.146553][ T10] [ 2445.148261][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2445.148261][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.148261][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.148261][ T10] ipv6_find_idev+0x102/0x170 [ 2445.148261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.148261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.148261][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.148261][ T10] netlink_unicast+0x449/0x710 [ 2445.148261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.148261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.148261][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.148261][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.148261][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.148261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.148261][ T10] [ 2445.150290][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2445.150550][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2445.150550][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.150550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.150550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.150550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.150550][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.150550][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.150550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.150550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.150550][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.150550][ T10] netlink_unicast+0x449/0x710 [ 2445.150550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.150550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.150550][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.150550][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.150550][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.150550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.150550][ T10] [ 2445.152702][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2445.152702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.152702][ T10] ipv6_find_idev+0x102/0x170 [ 2445.152702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.152702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.152702][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.152702][ T10] netlink_unicast+0x449/0x710 [ 2445.152702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.152702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.152702][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.152702][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.152702][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.152702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.152702][ T10] [ 2445.154402][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2445.154402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.154402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.154402][ T10] ipv6_find_idev+0x102/0x170 [ 2445.154402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.154402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.154402][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.154402][ T10] netlink_unicast+0x449/0x710 [ 2445.154402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.154402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.154402][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.154402][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.154402][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.154402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.154402][ T10] [ 2455.405956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2455.406494][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2455.406494][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.406494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.406494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.406494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.406494][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.406494][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.406494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.406494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.406494][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.406494][ T10] netlink_unicast+0x449/0x710 [ 2455.406494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.406494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.406494][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.406494][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.406494][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.406494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.406494][ T10] [ 2455.408471][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2455.408471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.408471][ T10] ipv6_find_idev+0x102/0x170 [ 2455.408471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.408471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.408471][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.408471][ T10] netlink_unicast+0x449/0x710 [ 2455.408471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.408471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.408471][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.408471][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.408471][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.408471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.408471][ T10] [ 2455.410005][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2455.410005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.410005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.410005][ T10] ipv6_find_idev+0x102/0x170 [ 2455.410005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.410005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.410005][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.410005][ T10] netlink_unicast+0x449/0x710 [ 2455.410005][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.410005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.410005][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.410005][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.410005][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.410005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.410005][ T10] [ 2455.411840][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2455.412122][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2455.412122][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.412122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.412122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.412122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.412122][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.412122][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.412122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.412122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.412122][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.412122][ T10] netlink_unicast+0x449/0x710 [ 2455.412122][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.412122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.412122][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.412122][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.412122][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.412122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.412122][ T10] [ 2455.414133][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2455.414133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.414133][ T10] ipv6_find_idev+0x102/0x170 [ 2455.414133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.414133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.414133][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.414133][ T10] netlink_unicast+0x449/0x710 [ 2455.414133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.414133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.414133][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.414133][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.414133][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.414133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.414133][ T10] [ 2455.415683][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2455.415683][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.415683][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.415683][ T10] ipv6_find_idev+0x102/0x170 [ 2455.415683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.415683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.415683][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.415683][ T10] netlink_unicast+0x449/0x710 [ 2455.415683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.415683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.415683][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.415683][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.415683][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.415683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.415683][ T10] [ 2455.417380][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2455.417649][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2455.417649][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.417649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.417649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.417649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.417649][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.417649][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.417649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.417649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.417649][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.417649][ T10] netlink_unicast+0x449/0x710 [ 2455.417649][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.417649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.417649][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.417649][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.417649][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.417649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.417649][ T10] [ 2455.419660][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2455.419660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.419660][ T10] ipv6_find_idev+0x102/0x170 [ 2455.419660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.419660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.419660][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.419660][ T10] netlink_unicast+0x449/0x710 [ 2455.419660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.419660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.419660][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.419660][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.419660][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.419660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.419660][ T10] [ 2455.421214][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2455.421214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.421214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.421214][ T10] ipv6_find_idev+0x102/0x170 [ 2455.421214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.421214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.421214][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.421214][ T10] netlink_unicast+0x449/0x710 [ 2455.421214][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.421214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.421214][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.421214][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.421214][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.421214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.421214][ T10] [ 2455.422924][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2455.423193][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2455.423193][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.423193][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.423193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.423193][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.423193][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.423193][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.423193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.423193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.423193][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.423193][ T10] netlink_unicast+0x449/0x710 [ 2455.423193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.423193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.423193][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.423193][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.423193][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.423193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.423193][ T10] [ 2455.425207][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2455.425207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.425207][ T10] ipv6_find_idev+0x102/0x170 [ 2455.425207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.425207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.425207][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.425207][ T10] netlink_unicast+0x449/0x710 [ 2455.425207][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.425207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.425207][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.425207][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.425207][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.425207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.425207][ T10] [ 2455.426769][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2455.426769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.426769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.426769][ T10] ipv6_find_idev+0x102/0x170 [ 2455.426769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.426769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.426769][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.426769][ T10] netlink_unicast+0x449/0x710 [ 2455.426769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.426769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.426769][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.426769][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.426769][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.426769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.426769][ T10] [ 2455.428861][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2455.429135][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2455.429135][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.429135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.429135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.429135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.429135][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.429135][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.429135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.429135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.429135][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.429135][ T10] netlink_unicast+0x449/0x710 [ 2455.429135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.429135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.429135][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.429135][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.429135][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.429135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.429135][ T10] [ 2455.431142][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2455.431142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.431142][ T10] ipv6_find_idev+0x102/0x170 [ 2455.431142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.431142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.431142][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.431142][ T10] netlink_unicast+0x449/0x710 [ 2455.431142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.431142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.431142][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.431142][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.431142][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.431142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.431142][ T10] [ 2455.432677][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2455.432677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.432677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.432677][ T10] ipv6_find_idev+0x102/0x170 [ 2455.432677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.432677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.432677][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.432677][ T10] netlink_unicast+0x449/0x710 [ 2455.432677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.432677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.432677][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.432677][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.432677][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.432677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.432677][ T10] [ 2455.434401][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2455.434667][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2455.434667][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.434667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.434667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.434667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.434667][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.434667][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.434667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.434667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.434667][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.434667][ T10] netlink_unicast+0x449/0x710 [ 2455.434667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.434667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.434667][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.434667][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.434667][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.434667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.434667][ T10] [ 2455.436794][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2455.436794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.436794][ T10] ipv6_find_idev+0x102/0x170 [ 2455.436794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.436794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.436794][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.436794][ T10] netlink_unicast+0x449/0x710 [ 2455.436794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.436794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.436794][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.436794][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.436794][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.436794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.436794][ T10] [ 2455.438575][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2455.438575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.438575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.438575][ T10] ipv6_find_idev+0x102/0x170 [ 2455.438575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.438575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.438575][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.438575][ T10] netlink_unicast+0x449/0x710 [ 2455.438575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.438575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.438575][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.438575][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.438575][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.438575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.438575][ T10] [ 2455.440485][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2455.440749][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2455.440749][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.440749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.440749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.440749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.440749][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.440749][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.440749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.440749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.440749][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.440749][ T10] netlink_unicast+0x449/0x710 [ 2455.440749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.440749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.440749][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.440749][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.440749][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.440749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.440749][ T10] [ 2455.443001][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2455.443001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.443001][ T10] ipv6_find_idev+0x102/0x170 [ 2455.443001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.443001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.443001][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.443001][ T10] netlink_unicast+0x449/0x710 [ 2455.443001][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.443001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.443001][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.443001][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.443001][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.443001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.443001][ T10] [ 2455.444727][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2455.444727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.444727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.444727][ T10] ipv6_find_idev+0x102/0x170 [ 2455.444727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.444727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.444727][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.444727][ T10] netlink_unicast+0x449/0x710 [ 2455.444727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.444727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.444727][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.444727][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.444727][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.444727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.444727][ T10] [ 2455.446633][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2455.446954][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2455.446954][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.446954][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.446954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.446954][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.446954][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.446954][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.446954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.446954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.446954][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.446954][ T10] netlink_unicast+0x449/0x710 [ 2455.446954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.446954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.446954][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.446954][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.446954][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.446954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.446954][ T10] [ 2455.449217][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2455.449217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.449217][ T10] ipv6_find_idev+0x102/0x170 [ 2455.449217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.449217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.449217][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.449217][ T10] netlink_unicast+0x449/0x710 [ 2455.449217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.449217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.449217][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.449217][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.449217][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.449217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.449217][ T10] [ 2455.450947][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2455.450947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.450947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.450947][ T10] ipv6_find_idev+0x102/0x170 [ 2455.450947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.450947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.450947][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.450947][ T10] netlink_unicast+0x449/0x710 [ 2455.450947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.450947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.450947][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.450947][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.450947][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.450947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.450947][ T10] [ 2465.701967][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2465.702560][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2465.702560][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.702560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.702560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.702560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.702560][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.702560][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.702560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.702560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.702560][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.702560][ T10] netlink_unicast+0x449/0x710 [ 2465.702560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.702560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.702560][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.702560][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.702560][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.702560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.702560][ T10] [ 2465.704567][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2465.704567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.704567][ T10] ipv6_find_idev+0x102/0x170 [ 2465.704567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.704567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.704567][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.704567][ T10] netlink_unicast+0x449/0x710 [ 2465.704567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.704567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.704567][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.704567][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.704567][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.704567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.704567][ T10] [ 2465.706007][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2465.706007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.706007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.706007][ T10] ipv6_find_idev+0x102/0x170 [ 2465.706007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.706007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.706007][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.706007][ T10] netlink_unicast+0x449/0x710 [ 2465.706007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.706007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.706007][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.706007][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.706007][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.706007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.706007][ T10] [ 2465.707623][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2465.707939][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2465.707939][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.707939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.707939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.707939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.707939][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.707939][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.707939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.707939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.707939][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.707939][ T10] netlink_unicast+0x449/0x710 [ 2465.707939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.707939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.707939][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.707939][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.707939][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.707939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.707939][ T10] [ 2465.709973][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2465.709973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.709973][ T10] ipv6_find_idev+0x102/0x170 [ 2465.709973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.709973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.709973][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.709973][ T10] netlink_unicast+0x449/0x710 [ 2465.709973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.709973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.709973][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.709973][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.709973][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.709973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.709973][ T10] [ 2465.711536][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2465.711536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.711536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.711536][ T10] ipv6_find_idev+0x102/0x170 [ 2465.711536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.711536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.711536][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.711536][ T10] netlink_unicast+0x449/0x710 [ 2465.711536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.711536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.711536][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.711536][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.711536][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.711536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.711536][ T10] [ 2465.713256][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2465.713522][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2465.713522][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.713522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.713522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.713522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.713522][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.713522][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.713522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.713522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.713522][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.713522][ T10] netlink_unicast+0x449/0x710 [ 2465.713522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.713522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.713522][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.713522][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.713522][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.713522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.713522][ T10] [ 2465.715531][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2465.715531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.715531][ T10] ipv6_find_idev+0x102/0x170 [ 2465.715531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.715531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.715531][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.715531][ T10] netlink_unicast+0x449/0x710 [ 2465.715531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.715531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.715531][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.715531][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.715531][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.715531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.715531][ T10] [ 2465.717073][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2465.717073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.717073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.717073][ T10] ipv6_find_idev+0x102/0x170 [ 2465.717073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.717073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.717073][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.717073][ T10] netlink_unicast+0x449/0x710 [ 2465.717073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.717073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.717073][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.717073][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.717073][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.717073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.717073][ T10] [ 2465.718782][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2465.719052][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2465.719052][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.719052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.719052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.719052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.719052][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.719052][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.719052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.719052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.719052][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.719052][ T10] netlink_unicast+0x449/0x710 [ 2465.719052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.719052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.719052][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.719052][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.719052][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.719052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.719052][ T10] [ 2465.721054][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2465.721054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.721054][ T10] ipv6_find_idev+0x102/0x170 [ 2465.721054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.721054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.721054][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.721054][ T10] netlink_unicast+0x449/0x710 [ 2465.721054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.721054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.721054][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.721054][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.721054][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.721054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.721054][ T10] [ 2465.722606][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2465.722606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.722606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.722606][ T10] ipv6_find_idev+0x102/0x170 [ 2465.722606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.722606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.722606][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.722606][ T10] netlink_unicast+0x449/0x710 [ 2465.722606][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.722606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.722606][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.722606][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.722606][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.722606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.722606][ T10] [ 2465.724698][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2465.725299][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2465.725299][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.725299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.725299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.725299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.725299][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.725299][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.725299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.725299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.725299][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.725299][ T10] netlink_unicast+0x449/0x710 [ 2465.725299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.725299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.725299][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.725299][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.725299][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.725299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.725299][ T10] [ 2465.727307][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2465.727307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.727307][ T10] ipv6_find_idev+0x102/0x170 [ 2465.727307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.727307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.727307][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.727307][ T10] netlink_unicast+0x449/0x710 [ 2465.727307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.727307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.727307][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.727307][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.727307][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.727307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.727307][ T10] [ 2465.728853][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2465.728853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.728853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.728853][ T10] ipv6_find_idev+0x102/0x170 [ 2465.728853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.728853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.728853][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.728853][ T10] netlink_unicast+0x449/0x710 [ 2465.728853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.728853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.728853][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.728853][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.728853][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.728853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.728853][ T10] [ 2465.730681][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2465.731017][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2465.731017][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.731017][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.731017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.731017][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.731017][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.731017][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.731017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.731017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.731017][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.731017][ T10] netlink_unicast+0x449/0x710 [ 2465.731017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.731017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.731017][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.731017][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.731017][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.731017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.731017][ T10] [ 2465.733018][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2465.733018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.733018][ T10] ipv6_find_idev+0x102/0x170 [ 2465.733018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.733018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.733018][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.733018][ T10] netlink_unicast+0x449/0x710 [ 2465.733018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.733018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.733018][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.733018][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.733018][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.733018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.733018][ T10] [ 2465.734633][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2465.734633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.734633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.734633][ T10] ipv6_find_idev+0x102/0x170 [ 2465.734633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.734633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.734633][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.734633][ T10] netlink_unicast+0x449/0x710 [ 2465.734633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.734633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.734633][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.734633][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.734633][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.734633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.734633][ T10] [ 2465.736422][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2465.736739][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2465.736739][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.736739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.736739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.736739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.736739][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.736739][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.736739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.736739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.736739][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.736739][ T10] netlink_unicast+0x449/0x710 [ 2465.736739][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.736739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.736739][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.736739][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.736739][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.736739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.736739][ T10] [ 2465.738880][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2465.738880][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.738880][ T10] ipv6_find_idev+0x102/0x170 [ 2465.738880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.738880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.738880][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.738880][ T10] netlink_unicast+0x449/0x710 [ 2465.738880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.738880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.738880][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.738880][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.738880][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.738880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.738880][ T10] [ 2465.740549][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2465.740549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.740549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.740549][ T10] ipv6_find_idev+0x102/0x170 [ 2465.740549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.740549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.740549][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.740549][ T10] netlink_unicast+0x449/0x710 [ 2465.740549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.740549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.740549][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.740549][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.740549][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.740549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.740549][ T10] [ 2465.742391][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2465.742708][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2465.742708][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.742708][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.742708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.742708][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.742708][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.742708][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.742708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.742708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.742708][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.742708][ T10] netlink_unicast+0x449/0x710 [ 2465.742708][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.742708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.742708][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.742708][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.742708][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.742708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.742708][ T10] [ 2465.744766][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2465.744766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.744766][ T10] ipv6_find_idev+0x102/0x170 [ 2465.744766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.744766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.744766][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.744766][ T10] netlink_unicast+0x449/0x710 [ 2465.744766][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.744766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.744766][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.744766][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.744766][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.744766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.744766][ T10] [ 2465.746431][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2465.746431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.746431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.746431][ T10] ipv6_find_idev+0x102/0x170 [ 2465.746431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.746431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.746431][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.746431][ T10] netlink_unicast+0x449/0x710 [ 2465.746431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.746431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.746431][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.746431][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.746431][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.746431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.746431][ T10] [ 2475.869914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2475.870386][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2475.870386][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.870386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.870386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.870386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.870386][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.870386][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.870386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.870386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.870386][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.870386][ T10] netlink_unicast+0x449/0x710 [ 2475.870386][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.870386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.870386][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.870386][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.870386][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.870386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.870386][ T10] [ 2475.872434][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2475.872434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.872434][ T10] ipv6_find_idev+0x102/0x170 [ 2475.872434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.872434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.872434][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.872434][ T10] netlink_unicast+0x449/0x710 [ 2475.872434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.872434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.872434][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.872434][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.872434][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.872434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.872434][ T10] [ 2475.873973][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2475.873973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.873973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.873973][ T10] ipv6_find_idev+0x102/0x170 [ 2475.873973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.873973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.873973][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.873973][ T10] netlink_unicast+0x449/0x710 [ 2475.873973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.873973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.873973][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.873973][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.873973][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.873973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.873973][ T10] [ 2475.875664][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2475.875963][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2475.875963][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.875963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.875963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.875963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.875963][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.875963][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.875963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.875963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.875963][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.875963][ T10] netlink_unicast+0x449/0x710 [ 2475.875963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.875963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.875963][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.875963][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.875963][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.875963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.875963][ T10] [ 2475.878002][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2475.878002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.878002][ T10] ipv6_find_idev+0x102/0x170 [ 2475.878002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.878002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.878002][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.878002][ T10] netlink_unicast+0x449/0x710 [ 2475.878002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.878002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.878002][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.878002][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.878002][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.878002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.878002][ T10] [ 2475.879544][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2475.879544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.879544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.879544][ T10] ipv6_find_idev+0x102/0x170 [ 2475.879544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.879544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.879544][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.879544][ T10] netlink_unicast+0x449/0x710 [ 2475.879544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.879544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.879544][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.879544][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.879544][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.879544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.879544][ T10] [ 2475.881233][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2475.881499][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2475.881499][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.881499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.881499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.881499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.881499][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.881499][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.881499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.881499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.881499][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.881499][ T10] netlink_unicast+0x449/0x710 [ 2475.881499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.881499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.881499][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.881499][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.881499][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.881499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.881499][ T10] [ 2475.883497][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2475.883497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.883497][ T10] ipv6_find_idev+0x102/0x170 [ 2475.883497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.883497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.883497][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.883497][ T10] netlink_unicast+0x449/0x710 [ 2475.883497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.883497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.883497][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.883497][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.883497][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.883497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.883497][ T10] [ 2475.885035][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2475.885035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.885035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.885035][ T10] ipv6_find_idev+0x102/0x170 [ 2475.885035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.885035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.885035][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.885035][ T10] netlink_unicast+0x449/0x710 [ 2475.885035][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.885035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.885035][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.885035][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.885035][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.885035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.885035][ T10] [ 2475.886714][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2475.887419][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2475.887419][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.887419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.887419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.887419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.887419][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.887419][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.887419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.887419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.887419][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.887419][ T10] netlink_unicast+0x449/0x710 [ 2475.887419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.887419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.887419][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.887419][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.887419][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.887419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.887419][ T10] [ 2475.889524][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2475.889524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.889524][ T10] ipv6_find_idev+0x102/0x170 [ 2475.889524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.889524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.889524][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.889524][ T10] netlink_unicast+0x449/0x710 [ 2475.889524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.889524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.889524][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.889524][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.889524][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.889524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.889524][ T10] [ 2475.891622][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2475.891622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.891622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.891622][ T10] ipv6_find_idev+0x102/0x170 [ 2475.891622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.891622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.891622][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.891622][ T10] netlink_unicast+0x449/0x710 [ 2475.891622][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.891622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.891622][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.891622][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.891622][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.891622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.891622][ T10] [ 2475.893352][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2475.893624][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2475.893624][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.893624][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.893624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.893624][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.893624][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.893624][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.893624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.893624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.893624][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.893624][ T10] netlink_unicast+0x449/0x710 [ 2475.893624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.893624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.893624][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.893624][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.893624][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.893624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.893624][ T10] [ 2475.895629][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2475.895629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.895629][ T10] ipv6_find_idev+0x102/0x170 [ 2475.895629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.895629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.895629][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.895629][ T10] netlink_unicast+0x449/0x710 [ 2475.895629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.895629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.895629][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.895629][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.895629][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.895629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.895629][ T10] [ 2475.897179][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2475.897179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.897179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.897179][ T10] ipv6_find_idev+0x102/0x170 [ 2475.897179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.897179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.897179][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.897179][ T10] netlink_unicast+0x449/0x710 [ 2475.897179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.897179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.897179][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.897179][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.897179][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.897179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.897179][ T10] [ 2475.898907][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2475.899177][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2475.899177][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.899177][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.899177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.899177][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.899177][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.899177][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.899177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.899177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.899177][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.899177][ T10] netlink_unicast+0x449/0x710 [ 2475.899177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.899177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.899177][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.899177][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.899177][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.899177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.899177][ T10] [ 2475.901245][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2475.901245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.901245][ T10] ipv6_find_idev+0x102/0x170 [ 2475.901245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.901245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.901245][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.901245][ T10] netlink_unicast+0x449/0x710 [ 2475.901245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.901245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.901245][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.901245][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.901245][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.901245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.901245][ T10] [ 2475.902970][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2475.902970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.902970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.902970][ T10] ipv6_find_idev+0x102/0x170 [ 2475.902970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.902970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.902970][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.902970][ T10] netlink_unicast+0x449/0x710 [ 2475.902970][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.902970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.902970][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.902970][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.902970][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.902970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.902970][ T10] [ 2475.904944][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2475.905207][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2475.905207][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.905207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.905207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.905207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.905207][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.905207][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.905207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.905207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.905207][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.905207][ T10] netlink_unicast+0x449/0x710 [ 2475.905207][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.905207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.905207][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.905207][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.905207][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.905207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.905207][ T10] [ 2475.907453][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2475.907453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.907453][ T10] ipv6_find_idev+0x102/0x170 [ 2475.907453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.907453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.907453][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.907453][ T10] netlink_unicast+0x449/0x710 [ 2475.907453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.907453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.907453][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.907453][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.907453][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.907453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.907453][ T10] [ 2475.909159][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2475.909159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.909159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.909159][ T10] ipv6_find_idev+0x102/0x170 [ 2475.909159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.909159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.909159][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.909159][ T10] netlink_unicast+0x449/0x710 [ 2475.909159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.909159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.909159][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.909159][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.909159][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.909159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.909159][ T10] [ 2475.911062][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2475.911375][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2475.911375][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.911375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.911375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.911375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.911375][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.911375][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.911375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.911375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.911375][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.911375][ T10] netlink_unicast+0x449/0x710 [ 2475.911375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.911375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.911375][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.911375][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.911375][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.911375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.911375][ T10] [ 2475.913523][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2475.913523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.913523][ T10] ipv6_find_idev+0x102/0x170 [ 2475.913523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.913523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.913523][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.913523][ T10] netlink_unicast+0x449/0x710 [ 2475.913523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.913523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.913523][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.913523][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.913523][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.913523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.913523][ T10] [ 2475.915251][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2475.915251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.915251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.915251][ T10] ipv6_find_idev+0x102/0x170 [ 2475.915251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.915251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.915251][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.915251][ T10] netlink_unicast+0x449/0x710 [ 2475.915251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.915251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.915251][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.915251][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.915251][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.915251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.915251][ T10] [ 2486.157938][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2486.158441][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2486.158441][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.158441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.158441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.158441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.158441][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.158441][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.158441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.158441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.158441][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.158441][ T10] netlink_unicast+0x449/0x710 [ 2486.158441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.158441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.158441][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.158441][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.158441][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.158441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.158441][ T10] [ 2486.160490][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2486.160490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.160490][ T10] ipv6_find_idev+0x102/0x170 [ 2486.160490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.160490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.160490][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.160490][ T10] netlink_unicast+0x449/0x710 [ 2486.160490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.160490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.160490][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.160490][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.160490][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.160490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.160490][ T10] [ 2486.161992][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2486.161992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.161992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.161992][ T10] ipv6_find_idev+0x102/0x170 [ 2486.161992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.161992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.161992][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.161992][ T10] netlink_unicast+0x449/0x710 [ 2486.161992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.161992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.161992][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.161992][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.161992][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.161992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.161992][ T10] [ 2486.163647][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2486.163987][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2486.163987][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.163987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.163987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.163987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.163987][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.163987][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.163987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.163987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.163987][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.163987][ T10] netlink_unicast+0x449/0x710 [ 2486.163987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.163987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.163987][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.163987][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.163987][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.163987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.163987][ T10] [ 2486.165955][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2486.165955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.165955][ T10] ipv6_find_idev+0x102/0x170 [ 2486.165955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.165955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.165955][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.165955][ T10] netlink_unicast+0x449/0x710 [ 2486.165955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.165955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.165955][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.165955][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.165955][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.165955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.165955][ T10] [ 2486.167523][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2486.167523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.167523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.167523][ T10] ipv6_find_idev+0x102/0x170 [ 2486.167523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.167523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.167523][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.167523][ T10] netlink_unicast+0x449/0x710 [ 2486.167523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.167523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.167523][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.167523][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.167523][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.167523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.167523][ T10] [ 2486.169251][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2486.169534][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2486.169534][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.169534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.169534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.169534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.169534][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.169534][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.169534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.169534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.169534][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.169534][ T10] netlink_unicast+0x449/0x710 [ 2486.169534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.169534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.169534][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.169534][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.169534][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.169534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.169534][ T10] [ 2486.171535][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2486.171535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.171535][ T10] ipv6_find_idev+0x102/0x170 [ 2486.171535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.171535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.171535][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.171535][ T10] netlink_unicast+0x449/0x710 [ 2486.171535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.171535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.171535][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.171535][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.171535][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.171535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.171535][ T10] [ 2486.173079][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2486.173079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.173079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.173079][ T10] ipv6_find_idev+0x102/0x170 [ 2486.173079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.173079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.173079][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.173079][ T10] netlink_unicast+0x449/0x710 [ 2486.173079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.173079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.173079][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.173079][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.173079][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.173079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.173079][ T10] [ 2486.174759][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2486.175103][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2486.175103][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.175103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.175103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.175103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.175103][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.175103][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.175103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.175103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.175103][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.175103][ T10] netlink_unicast+0x449/0x710 [ 2486.175103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.175103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.175103][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.175103][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.175103][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.175103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.175103][ T10] [ 2486.177114][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2486.177114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.177114][ T10] ipv6_find_idev+0x102/0x170 [ 2486.177114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.177114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.177114][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.177114][ T10] netlink_unicast+0x449/0x710 [ 2486.177114][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.177114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.177114][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.177114][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.177114][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.177114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.177114][ T10] [ 2486.178663][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2486.178663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.178663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.178663][ T10] ipv6_find_idev+0x102/0x170 [ 2486.178663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.178663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.178663][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.178663][ T10] netlink_unicast+0x449/0x710 [ 2486.178663][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.178663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.178663][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.178663][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.178663][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.178663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.178663][ T10] [ 2486.180429][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2486.180696][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2486.180696][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.180696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.180696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.180696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.180696][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.180696][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.180696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.180696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.180696][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.180696][ T10] netlink_unicast+0x449/0x710 [ 2486.180696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.180696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.180696][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.180696][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.180696][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.180696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.180696][ T10] [ 2486.182701][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2486.182701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.182701][ T10] ipv6_find_idev+0x102/0x170 [ 2486.182701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.182701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.182701][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.182701][ T10] netlink_unicast+0x449/0x710 [ 2486.182701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.182701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.182701][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.182701][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.182701][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.182701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.182701][ T10] [ 2486.184239][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2486.184239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.184239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.184239][ T10] ipv6_find_idev+0x102/0x170 [ 2486.184239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.184239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.184239][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.184239][ T10] netlink_unicast+0x449/0x710 [ 2486.184239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.184239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.184239][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.184239][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.184239][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.184239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.184239][ T10] [ 2486.186161][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2486.186425][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2486.186425][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.186425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.186425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.186425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.186425][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.186425][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.186425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.186425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.186425][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.186425][ T10] netlink_unicast+0x449/0x710 [ 2486.186425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.186425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.186425][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.186425][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.186425][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.186425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.186425][ T10] [ 2486.188664][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2486.188664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.188664][ T10] ipv6_find_idev+0x102/0x170 [ 2486.188664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.188664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.188664][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.188664][ T10] netlink_unicast+0x449/0x710 [ 2486.188664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.188664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.188664][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.188664][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.188664][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.188664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.188664][ T10] [ 2486.190318][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2486.190318][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.190318][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.190318][ T10] ipv6_find_idev+0x102/0x170 [ 2486.190318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.190318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.190318][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.190318][ T10] netlink_unicast+0x449/0x710 [ 2486.190318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.190318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.190318][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.190318][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.190318][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.190318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.190318][ T10] [ 2486.192336][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2486.192605][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2486.192605][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.192605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.192605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.192605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.192605][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.192605][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.192605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.192605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.192605][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.192605][ T10] netlink_unicast+0x449/0x710 [ 2486.192605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.192605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.192605][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.192605][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.192605][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.192605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.192605][ T10] [ 2486.194785][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2486.194785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.194785][ T10] ipv6_find_idev+0x102/0x170 [ 2486.194785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.194785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.194785][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.194785][ T10] netlink_unicast+0x449/0x710 [ 2486.194785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.194785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.194785][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.194785][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.194785][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.194785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.194785][ T10] [ 2486.196507][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2486.196507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.196507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.196507][ T10] ipv6_find_idev+0x102/0x170 [ 2486.196507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.196507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.196507][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.196507][ T10] netlink_unicast+0x449/0x710 [ 2486.196507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.196507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.196507][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.196507][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.196507][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.196507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.196507][ T10] [ 2486.198466][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2486.198727][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2486.198727][ T10] netdev_get_by_index+0x5e/0x80 [ 2486.198727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2486.198727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2486.198727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2486.198727][ T10] ipv6_add_addr+0x411/0x2000 [ 2486.198727][ T10] inet6_addr_add+0x30e/0xa40 [ 2486.198727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.198727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.198727][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.198727][ T10] netlink_unicast+0x449/0x710 [ 2486.198727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.198727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.198727][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.198727][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.198727][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.198727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.198727][ T10] [ 2486.200924][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2486.200924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2486.200924][ T10] ipv6_find_idev+0x102/0x170 [ 2486.200924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.200924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.200924][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.200924][ T10] netlink_unicast+0x449/0x710 [ 2486.200924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.200924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.200924][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.200924][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.200924][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.200924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.200924][ T10] [ 2486.202718][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2486.202718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2486.202718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2486.202718][ T10] ipv6_find_idev+0x102/0x170 [ 2486.202718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.202718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.202718][ T10] netlink_rcv_skb+0x130/0x360 [ 2486.202718][ T10] netlink_unicast+0x449/0x710 [ 2486.202718][ T10] netlink_sendmsg+0x723/0xbe0 [ 2486.202718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2486.202718][ T10] ___sys_sendmsg+0xee/0x170 [ 2486.202718][ T10] __sys_sendmsg+0xcd/0x170 [ 2486.202718][ T10] do_syscall_64+0xc6/0x1e0 [ 2486.202718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.202718][ T10] [ 2496.445957][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2496.447055][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2496.447055][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.447055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.447055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.447055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.447055][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.447055][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.447055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.447055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.447055][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.447055][ T10] netlink_unicast+0x449/0x710 [ 2496.447055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.447055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.447055][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.447055][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.447055][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.447055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.447055][ T10] [ 2496.449206][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2496.449206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.449206][ T10] ipv6_find_idev+0x102/0x170 [ 2496.449206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.449206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.449206][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.449206][ T10] netlink_unicast+0x449/0x710 [ 2496.449206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.449206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.449206][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.449206][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.449206][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.449206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.449206][ T10] [ 2496.450779][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2496.450779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.450779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.450779][ T10] ipv6_find_idev+0x102/0x170 [ 2496.450779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.450779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.450779][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.450779][ T10] netlink_unicast+0x449/0x710 [ 2496.450779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.450779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.450779][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.450779][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.450779][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.450779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.450779][ T10] [ 2496.452469][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2496.452734][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2496.452734][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.452734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.452734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.452734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.452734][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.452734][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.452734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.452734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.452734][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.452734][ T10] netlink_unicast+0x449/0x710 [ 2496.452734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.452734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.452734][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.452734][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.452734][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.452734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.452734][ T10] [ 2496.454717][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2496.454717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.454717][ T10] ipv6_find_idev+0x102/0x170 [ 2496.454717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.454717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.454717][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.454717][ T10] netlink_unicast+0x449/0x710 [ 2496.454717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.454717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.454717][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.454717][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.454717][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.454717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.454717][ T10] [ 2496.456220][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2496.456220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.456220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.456220][ T10] ipv6_find_idev+0x102/0x170 [ 2496.456220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.456220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.456220][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.456220][ T10] netlink_unicast+0x449/0x710 [ 2496.456220][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.456220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.456220][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.456220][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.456220][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.456220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.456220][ T10] [ 2496.457897][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2496.458172][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2496.458172][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.458172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.458172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.458172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.458172][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.458172][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.458172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.458172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.458172][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.458172][ T10] netlink_unicast+0x449/0x710 [ 2496.458172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.458172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.458172][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.458172][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.458172][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.458172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.458172][ T10] [ 2496.460196][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2496.460196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.460196][ T10] ipv6_find_idev+0x102/0x170 [ 2496.460196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.460196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.460196][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.460196][ T10] netlink_unicast+0x449/0x710 [ 2496.460196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.460196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.460196][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.460196][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.460196][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.460196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.460196][ T10] [ 2496.461739][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2496.461739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.461739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.461739][ T10] ipv6_find_idev+0x102/0x170 [ 2496.461739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.461739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.461739][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.461739][ T10] netlink_unicast+0x449/0x710 [ 2496.461739][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.461739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.461739][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.461739][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.461739][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.461739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.461739][ T10] [ 2496.463467][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2496.463737][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2496.463737][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.463737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.463737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.463737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.463737][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.463737][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.463737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.463737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.463737][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.463737][ T10] netlink_unicast+0x449/0x710 [ 2496.463737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.463737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.463737][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.463737][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.463737][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.463737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.463737][ T10] [ 2496.465731][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2496.465731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.465731][ T10] ipv6_find_idev+0x102/0x170 [ 2496.465731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.465731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.465731][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.465731][ T10] netlink_unicast+0x449/0x710 [ 2496.465731][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.465731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.465731][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.465731][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.465731][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.465731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.465731][ T10] [ 2496.467267][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2496.467267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.467267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.467267][ T10] ipv6_find_idev+0x102/0x170 [ 2496.467267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.467267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.467267][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.467267][ T10] netlink_unicast+0x449/0x710 [ 2496.467267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.467267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.467267][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.467267][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.467267][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.467267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.467267][ T10] [ 2496.468979][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2496.469250][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2496.469250][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.469250][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.469250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.469250][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.469250][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.469250][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.469250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.469250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.469250][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.469250][ T10] netlink_unicast+0x449/0x710 [ 2496.469250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.469250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.469250][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.469250][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.469250][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.469250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.469250][ T10] [ 2496.471262][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2496.471262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.471262][ T10] ipv6_find_idev+0x102/0x170 [ 2496.471262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.471262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.471262][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.471262][ T10] netlink_unicast+0x449/0x710 [ 2496.471262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.471262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.471262][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.471262][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.471262][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.471262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.471262][ T10] [ 2496.472832][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2496.472832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.472832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.472832][ T10] ipv6_find_idev+0x102/0x170 [ 2496.472832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.472832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.472832][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.472832][ T10] netlink_unicast+0x449/0x710 [ 2496.472832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.472832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.472832][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.472832][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.472832][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.472832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.472832][ T10] [ 2496.475194][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2496.475461][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2496.475461][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.475461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.475461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.475461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.475461][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.475461][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.475461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.475461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.475461][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.475461][ T10] netlink_unicast+0x449/0x710 [ 2496.475461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.475461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.475461][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.475461][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.475461][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.475461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.475461][ T10] [ 2496.477456][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2496.477456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.477456][ T10] ipv6_find_idev+0x102/0x170 [ 2496.477456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.477456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.477456][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.477456][ T10] netlink_unicast+0x449/0x710 [ 2496.477456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.477456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.477456][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.477456][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.477456][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.477456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.477456][ T10] [ 2496.479053][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2496.479053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.479053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.479053][ T10] ipv6_find_idev+0x102/0x170 [ 2496.479053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.479053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.479053][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.479053][ T10] netlink_unicast+0x449/0x710 [ 2496.479053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.479053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.479053][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.479053][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.479053][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.479053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.479053][ T10] [ 2496.480970][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2496.481238][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2496.481238][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.481238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.481238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.481238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.481238][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.481238][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.481238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.481238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.481238][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.481238][ T10] netlink_unicast+0x449/0x710 [ 2496.481238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.481238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.481238][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.481238][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.481238][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.481238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.481238][ T10] [ 2496.483509][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2496.483509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.483509][ T10] ipv6_find_idev+0x102/0x170 [ 2496.483509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.483509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.483509][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.483509][ T10] netlink_unicast+0x449/0x710 [ 2496.483509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.483509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.483509][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.483509][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.483509][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.483509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.483509][ T10] [ 2496.485227][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2496.485227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.485227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.485227][ T10] ipv6_find_idev+0x102/0x170 [ 2496.485227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.485227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.485227][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.485227][ T10] netlink_unicast+0x449/0x710 [ 2496.485227][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.485227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.485227][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.485227][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.485227][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.485227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.485227][ T10] [ 2496.487124][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2496.487391][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2496.487391][ T10] netdev_get_by_index+0x5e/0x80 [ 2496.487391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2496.487391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2496.487391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2496.487391][ T10] ipv6_add_addr+0x411/0x2000 [ 2496.487391][ T10] inet6_addr_add+0x30e/0xa40 [ 2496.487391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.487391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.487391][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.487391][ T10] netlink_unicast+0x449/0x710 [ 2496.487391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.487391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.487391][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.487391][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.487391][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.487391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.487391][ T10] [ 2496.489644][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2496.489644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2496.489644][ T10] ipv6_find_idev+0x102/0x170 [ 2496.489644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.489644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.489644][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.489644][ T10] netlink_unicast+0x449/0x710 [ 2496.489644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.489644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.489644][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.489644][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.489644][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.489644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.489644][ T10] [ 2496.491372][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2496.491372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2496.491372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2496.491372][ T10] ipv6_find_idev+0x102/0x170 [ 2496.491372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.491372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.491372][ T10] netlink_rcv_skb+0x130/0x360 [ 2496.491372][ T10] netlink_unicast+0x449/0x710 [ 2496.491372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2496.491372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2496.491372][ T10] ___sys_sendmsg+0xee/0x170 [ 2496.491372][ T10] __sys_sendmsg+0xcd/0x170 [ 2496.491372][ T10] do_syscall_64+0xc6/0x1e0 [ 2496.491372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.491372][ T10] [ 2506.733913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2506.734402][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2506.734402][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.734402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.734402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.734402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.734402][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.734402][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.734402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.734402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.734402][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.734402][ T10] netlink_unicast+0x449/0x710 [ 2506.734402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.734402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.734402][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.734402][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.734402][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.734402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.734402][ T10] [ 2506.736359][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2506.736359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.736359][ T10] ipv6_find_idev+0x102/0x170 [ 2506.736359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.736359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.736359][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.736359][ T10] netlink_unicast+0x449/0x710 [ 2506.736359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.736359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.736359][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.736359][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.736359][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.736359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.736359][ T10] [ 2506.737856][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2506.737856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.737856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.737856][ T10] ipv6_find_idev+0x102/0x170 [ 2506.737856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.737856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.737856][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.737856][ T10] netlink_unicast+0x449/0x710 [ 2506.737856][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.737856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.737856][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.737856][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.737856][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.737856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.737856][ T10] [ 2506.739510][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2506.739781][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2506.739781][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.739781][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.739781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.739781][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.739781][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.739781][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.739781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.739781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.739781][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.739781][ T10] netlink_unicast+0x449/0x710 [ 2506.739781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.739781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.739781][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.739781][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.739781][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.739781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.739781][ T10] [ 2506.741760][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2506.741760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.741760][ T10] ipv6_find_idev+0x102/0x170 [ 2506.741760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.741760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.741760][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.741760][ T10] netlink_unicast+0x449/0x710 [ 2506.741760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.741760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.741760][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.741760][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.741760][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.741760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.741760][ T10] [ 2506.743268][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2506.743268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.743268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.743268][ T10] ipv6_find_idev+0x102/0x170 [ 2506.743268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.743268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.743268][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.743268][ T10] netlink_unicast+0x449/0x710 [ 2506.743268][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.743268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.743268][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.743268][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.743268][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.743268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.743268][ T10] [ 2506.744929][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2506.745192][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2506.745192][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.745192][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.745192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.745192][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.745192][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.745192][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.745192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.745192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.745192][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.745192][ T10] netlink_unicast+0x449/0x710 [ 2506.745192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.745192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.745192][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.745192][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.745192][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.745192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.745192][ T10] [ 2506.747173][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2506.747173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.747173][ T10] ipv6_find_idev+0x102/0x170 [ 2506.747173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.747173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.747173][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.747173][ T10] netlink_unicast+0x449/0x710 [ 2506.747173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.747173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.747173][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.747173][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.747173][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.747173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.747173][ T10] [ 2506.748687][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2506.748687][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.748687][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.748687][ T10] ipv6_find_idev+0x102/0x170 [ 2506.748687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.748687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.748687][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.748687][ T10] netlink_unicast+0x449/0x710 [ 2506.748687][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.748687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.748687][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.748687][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.748687][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.748687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.748687][ T10] [ 2506.750348][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2506.750607][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2506.750607][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.750607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.750607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.750607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.750607][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.750607][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.750607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.750607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.750607][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.750607][ T10] netlink_unicast+0x449/0x710 [ 2506.750607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.750607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.750607][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.750607][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.750607][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.750607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.750607][ T10] [ 2506.752586][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2506.752586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.752586][ T10] ipv6_find_idev+0x102/0x170 [ 2506.752586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.752586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.752586][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.752586][ T10] netlink_unicast+0x449/0x710 [ 2506.752586][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.752586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.752586][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.752586][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.752586][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.752586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.752586][ T10] [ 2506.754094][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2506.754094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.754094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.754094][ T10] ipv6_find_idev+0x102/0x170 [ 2506.754094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.754094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.754094][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.754094][ T10] netlink_unicast+0x449/0x710 [ 2506.754094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.754094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.754094][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.754094][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.754094][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.754094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.754094][ T10] [ 2506.756196][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2506.756467][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2506.756467][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.756467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.756467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.756467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.756467][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.756467][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.756467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.756467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.756467][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.756467][ T10] netlink_unicast+0x449/0x710 [ 2506.756467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.756467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.756467][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.756467][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.756467][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.756467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.756467][ T10] [ 2506.758469][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2506.758469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.758469][ T10] ipv6_find_idev+0x102/0x170 [ 2506.758469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.758469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.758469][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.758469][ T10] netlink_unicast+0x449/0x710 [ 2506.758469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.758469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.758469][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.758469][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.758469][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.758469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.758469][ T10] [ 2506.760000][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2506.760000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.760000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.760000][ T10] ipv6_find_idev+0x102/0x170 [ 2506.760000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.760000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.760000][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.760000][ T10] netlink_unicast+0x449/0x710 [ 2506.760000][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.760000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.760000][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.760000][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.760000][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.760000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.760000][ T10] [ 2506.761734][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2506.762059][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2506.762059][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.762059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.762059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.762059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.762059][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.762059][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.762059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.762059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.762059][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.762059][ T10] netlink_unicast+0x449/0x710 [ 2506.762059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.762059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.762059][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.762059][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.762059][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.762059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.762059][ T10] [ 2506.764154][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2506.764154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.764154][ T10] ipv6_find_idev+0x102/0x170 [ 2506.764154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.764154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.764154][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.764154][ T10] netlink_unicast+0x449/0x710 [ 2506.764154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.764154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.764154][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.764154][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.764154][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.764154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.764154][ T10] [ 2506.765916][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2506.765916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.765916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.765916][ T10] ipv6_find_idev+0x102/0x170 [ 2506.765916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.765916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.765916][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.765916][ T10] netlink_unicast+0x449/0x710 [ 2506.765916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.765916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.765916][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.765916][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.765916][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.765916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.765916][ T10] [ 2506.767801][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2506.768062][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2506.768062][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.768062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.768062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.768062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.768062][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.768062][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.768062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.768062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.768062][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.768062][ T10] netlink_unicast+0x449/0x710 [ 2506.768062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.768062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.768062][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.768062][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.768062][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.768062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.768062][ T10] [ 2506.770281][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2506.770281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.770281][ T10] ipv6_find_idev+0x102/0x170 [ 2506.770281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.770281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.770281][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.770281][ T10] netlink_unicast+0x449/0x710 [ 2506.770281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.770281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.770281][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.770281][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.770281][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.770281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.770281][ T10] [ 2506.771911][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2506.771911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.771911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.771911][ T10] ipv6_find_idev+0x102/0x170 [ 2506.771911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.771911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.771911][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.771911][ T10] netlink_unicast+0x449/0x710 [ 2506.771911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.771911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.771911][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.771911][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.771911][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.771911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.771911][ T10] [ 2506.773880][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2506.774140][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2506.774140][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.774140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.774140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.774140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.774140][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.774140][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.774140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.774140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.774140][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.774140][ T10] netlink_unicast+0x449/0x710 [ 2506.774140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.774140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.774140][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.774140][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.774140][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.774140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.774140][ T10] [ 2506.776377][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2506.776377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.776377][ T10] ipv6_find_idev+0x102/0x170 [ 2506.776377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.776377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.776377][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.776377][ T10] netlink_unicast+0x449/0x710 [ 2506.776377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.776377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.776377][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.776377][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.776377][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.776377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.776377][ T10] [ 2506.778075][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2506.778075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.778075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.778075][ T10] ipv6_find_idev+0x102/0x170 [ 2506.778075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.778075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.778075][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.778075][ T10] netlink_unicast+0x449/0x710 [ 2506.778075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.778075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.778075][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.778075][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.778075][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.778075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.778075][ T10] [ 2517.021934][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2517.022420][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2517.022420][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.022420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.022420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.022420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.022420][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.022420][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.022420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.022420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.022420][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.022420][ T10] netlink_unicast+0x449/0x710 [ 2517.022420][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.022420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.022420][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.022420][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.022420][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.022420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.022420][ T10] [ 2517.024408][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2517.024408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.024408][ T10] ipv6_find_idev+0x102/0x170 [ 2517.024408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.024408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.024408][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.024408][ T10] netlink_unicast+0x449/0x710 [ 2517.024408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.024408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.024408][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.024408][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.024408][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.024408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.024408][ T10] [ 2517.025940][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2517.025940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.025940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.025940][ T10] ipv6_find_idev+0x102/0x170 [ 2517.025940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.025940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.025940][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.025940][ T10] netlink_unicast+0x449/0x710 [ 2517.025940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.025940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.025940][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.025940][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.025940][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.025940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.025940][ T10] [ 2517.027571][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2517.027848][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2517.027848][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.027848][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.027848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.027848][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.027848][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.027848][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.027848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.027848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.027848][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.027848][ T10] netlink_unicast+0x449/0x710 [ 2517.027848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.027848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.027848][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.027848][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.027848][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.027848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.027848][ T10] [ 2517.029927][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2517.029927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.029927][ T10] ipv6_find_idev+0x102/0x170 [ 2517.029927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.029927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.029927][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.029927][ T10] netlink_unicast+0x449/0x710 [ 2517.029927][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.029927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.029927][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.029927][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.029927][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.029927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.029927][ T10] [ 2517.031477][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2517.031477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.031477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.031477][ T10] ipv6_find_idev+0x102/0x170 [ 2517.031477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.031477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.031477][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.031477][ T10] netlink_unicast+0x449/0x710 [ 2517.031477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.031477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.031477][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.031477][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.031477][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.031477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.031477][ T10] [ 2517.033087][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2517.033363][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2517.033363][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.033363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.033363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.033363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.033363][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.033363][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.033363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.033363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.033363][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.033363][ T10] netlink_unicast+0x449/0x710 [ 2517.033363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.033363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.033363][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.033363][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.033363][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.033363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.033363][ T10] [ 2517.035341][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2517.035341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.035341][ T10] ipv6_find_idev+0x102/0x170 [ 2517.035341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.035341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.035341][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.035341][ T10] netlink_unicast+0x449/0x710 [ 2517.035341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.035341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.035341][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.035341][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.035341][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.035341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.035341][ T10] [ 2517.036849][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2517.036849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.036849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.036849][ T10] ipv6_find_idev+0x102/0x170 [ 2517.036849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.036849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.036849][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.036849][ T10] netlink_unicast+0x449/0x710 [ 2517.036849][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.036849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.036849][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.036849][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.036849][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.036849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.036849][ T10] [ 2517.038513][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2517.038780][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2517.038780][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.038780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.038780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.038780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.038780][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.038780][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.038780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.038780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.038780][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.038780][ T10] netlink_unicast+0x449/0x710 [ 2517.038780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.038780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.038780][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.038780][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.038780][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.038780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.038780][ T10] [ 2517.040779][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2517.040779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.040779][ T10] ipv6_find_idev+0x102/0x170 [ 2517.040779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.040779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.040779][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.040779][ T10] netlink_unicast+0x449/0x710 [ 2517.040779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.040779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.040779][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.040779][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.040779][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.040779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.040779][ T10] [ 2517.042263][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2517.042263][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.042263][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.042263][ T10] ipv6_find_idev+0x102/0x170 [ 2517.042263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.042263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.042263][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.042263][ T10] netlink_unicast+0x449/0x710 [ 2517.042263][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.042263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.042263][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.042263][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.042263][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.042263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.042263][ T10] [ 2517.043908][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2517.044167][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2517.044167][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.044167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.044167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.044167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.044167][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.044167][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.044167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.044167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.044167][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.044167][ T10] netlink_unicast+0x449/0x710 [ 2517.044167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.044167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.044167][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.044167][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.044167][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.044167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.044167][ T10] [ 2517.046142][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2517.046142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.046142][ T10] ipv6_find_idev+0x102/0x170 [ 2517.046142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.046142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.046142][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.046142][ T10] netlink_unicast+0x449/0x710 [ 2517.046142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.046142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.046142][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.046142][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.046142][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.046142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.046142][ T10] [ 2517.047719][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2517.047719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.047719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.047719][ T10] ipv6_find_idev+0x102/0x170 [ 2517.047719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.047719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.047719][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.047719][ T10] netlink_unicast+0x449/0x710 [ 2517.047719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.047719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.047719][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.047719][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.047719][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.047719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.047719][ T10] [ 2517.049744][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2517.050074][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2517.050074][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.050074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.050074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.050074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.050074][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.050074][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.050074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.050074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.050074][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.050074][ T10] netlink_unicast+0x449/0x710 [ 2517.050074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.050074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.050074][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.050074][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.050074][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.050074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.050074][ T10] [ 2517.052207][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2517.052207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.052207][ T10] ipv6_find_idev+0x102/0x170 [ 2517.052207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.052207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.052207][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.052207][ T10] netlink_unicast+0x449/0x710 [ 2517.052207][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.052207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.052207][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.052207][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.052207][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.052207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.052207][ T10] [ 2517.053926][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2517.053926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.053926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.053926][ T10] ipv6_find_idev+0x102/0x170 [ 2517.053926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.053926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.053926][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.053926][ T10] netlink_unicast+0x449/0x710 [ 2517.053926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.053926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.053926][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.053926][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.053926][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.053926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.053926][ T10] [ 2517.055793][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2517.056065][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2517.056065][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.056065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.056065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.056065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.056065][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.056065][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.056065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.056065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.056065][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.056065][ T10] netlink_unicast+0x449/0x710 [ 2517.056065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.056065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.056065][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.056065][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.056065][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.056065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.056065][ T10] [ 2517.058247][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2517.058247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.058247][ T10] ipv6_find_idev+0x102/0x170 [ 2517.058247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.058247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.058247][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.058247][ T10] netlink_unicast+0x449/0x710 [ 2517.058247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.058247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.058247][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.058247][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.058247][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.058247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.058247][ T10] [ 2517.060015][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2517.060015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.060015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.060015][ T10] ipv6_find_idev+0x102/0x170 [ 2517.060015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.060015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.060015][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.060015][ T10] netlink_unicast+0x449/0x710 [ 2517.060015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.060015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.060015][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.060015][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.060015][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.060015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.060015][ T10] [ 2517.061892][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2517.062152][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2517.062152][ T10] netdev_get_by_index+0x5e/0x80 [ 2517.062152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2517.062152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2517.062152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2517.062152][ T10] ipv6_add_addr+0x411/0x2000 [ 2517.062152][ T10] inet6_addr_add+0x30e/0xa40 [ 2517.062152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2517.062152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.062152][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.062152][ T10] netlink_unicast+0x449/0x710 [ 2517.062152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.062152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.062152][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.062152][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.062152][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.062152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.062152][ T10] [ 2517.064369][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2517.064369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2517.064369][ T10] ipv6_find_idev+0x102/0x170 [ 2517.064369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.064369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.064369][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.064369][ T10] netlink_unicast+0x449/0x710 [ 2517.064369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.064369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.064369][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.064369][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.064369][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.064369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.064369][ T10] [ 2517.065987][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2517.065987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2517.065987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2517.065987][ T10] ipv6_find_idev+0x102/0x170 [ 2517.065987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2517.065987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2517.065987][ T10] netlink_rcv_skb+0x130/0x360 [ 2517.065987][ T10] netlink_unicast+0x449/0x710 [ 2517.065987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2517.065987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2517.065987][ T10] ___sys_sendmsg+0xee/0x170 [ 2517.065987][ T10] __sys_sendmsg+0xcd/0x170 [ 2517.065987][ T10] do_syscall_64+0xc6/0x1e0 [ 2517.065987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2517.065987][ T10] [ 2527.317951][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2527.318561][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2527.318561][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.318561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.318561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.318561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.318561][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.318561][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.318561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.318561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.318561][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.318561][ T10] netlink_unicast+0x449/0x710 [ 2527.318561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.318561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.318561][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.318561][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.318561][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.318561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.318561][ T10] [ 2527.320527][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2527.320527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.320527][ T10] ipv6_find_idev+0x102/0x170 [ 2527.320527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.320527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.320527][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.320527][ T10] netlink_unicast+0x449/0x710 [ 2527.320527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.320527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.320527][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.320527][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.320527][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.320527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.320527][ T10] [ 2527.322017][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2527.322017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.322017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.322017][ T10] ipv6_find_idev+0x102/0x170 [ 2527.322017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.322017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.322017][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.322017][ T10] netlink_unicast+0x449/0x710 [ 2527.322017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.322017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.322017][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.322017][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.322017][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.322017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.322017][ T10] [ 2527.323651][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2527.323944][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2527.323944][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.323944][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.323944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.323944][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.323944][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.323944][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.323944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.323944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.323944][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.323944][ T10] netlink_unicast+0x449/0x710 [ 2527.323944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.323944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.323944][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.323944][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.323944][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.323944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.323944][ T10] [ 2527.325914][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2527.325914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.325914][ T10] ipv6_find_idev+0x102/0x170 [ 2527.325914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.325914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.325914][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.325914][ T10] netlink_unicast+0x449/0x710 [ 2527.325914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.325914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.325914][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.325914][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.325914][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.325914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.325914][ T10] [ 2527.327448][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2527.327448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.327448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.327448][ T10] ipv6_find_idev+0x102/0x170 [ 2527.327448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.327448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.327448][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.327448][ T10] netlink_unicast+0x449/0x710 [ 2527.327448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.327448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.327448][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.327448][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.327448][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.327448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.327448][ T10] [ 2527.329140][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2527.329418][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2527.329418][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.329418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.329418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.329418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.329418][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.329418][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.329418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.329418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.329418][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.329418][ T10] netlink_unicast+0x449/0x710 [ 2527.329418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.329418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.329418][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.329418][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.329418][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.329418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.329418][ T10] [ 2527.331403][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2527.331403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.331403][ T10] ipv6_find_idev+0x102/0x170 [ 2527.331403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.331403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.331403][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.331403][ T10] netlink_unicast+0x449/0x710 [ 2527.331403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.331403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.331403][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.331403][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.331403][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.331403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.331403][ T10] [ 2527.332943][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2527.332943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.332943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.332943][ T10] ipv6_find_idev+0x102/0x170 [ 2527.332943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.332943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.332943][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.332943][ T10] netlink_unicast+0x449/0x710 [ 2527.332943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.332943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.332943][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.332943][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.332943][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.332943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.332943][ T10] [ 2527.335004][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2527.335265][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2527.335265][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.335265][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.335265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.335265][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.335265][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.335265][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.335265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.335265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.335265][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.335265][ T10] netlink_unicast+0x449/0x710 [ 2527.335265][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.335265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.335265][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.335265][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.335265][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.335265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.335265][ T10] [ 2527.337588][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2527.337588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.337588][ T10] ipv6_find_idev+0x102/0x170 [ 2527.337588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.337588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.337588][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.337588][ T10] netlink_unicast+0x449/0x710 [ 2527.337588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.337588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.337588][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.337588][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.337588][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.337588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.337588][ T10] [ 2527.339070][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2527.339070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.339070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.339070][ T10] ipv6_find_idev+0x102/0x170 [ 2527.339070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.339070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.339070][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.339070][ T10] netlink_unicast+0x449/0x710 [ 2527.339070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.339070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.339070][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.339070][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.339070][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.339070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.339070][ T10] [ 2527.340753][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2527.341065][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2527.341065][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.341065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.341065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.341065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.341065][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.341065][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.341065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.341065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.341065][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.341065][ T10] netlink_unicast+0x449/0x710 [ 2527.341065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.341065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.341065][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.341065][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.341065][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.341065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.341065][ T10] [ 2527.343043][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2527.343043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.343043][ T10] ipv6_find_idev+0x102/0x170 [ 2527.343043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.343043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.343043][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.343043][ T10] netlink_unicast+0x449/0x710 [ 2527.343043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.343043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.343043][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.343043][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.343043][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.343043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.343043][ T10] [ 2527.344570][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2527.344570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.344570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.344570][ T10] ipv6_find_idev+0x102/0x170 [ 2527.344570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.344570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.344570][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.344570][ T10] netlink_unicast+0x449/0x710 [ 2527.344570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.344570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.344570][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.344570][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.344570][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.344570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.344570][ T10] [ 2527.346319][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2527.346584][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2527.346584][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.346584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.346584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.346584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.346584][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.346584][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.346584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.346584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.346584][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.346584][ T10] netlink_unicast+0x449/0x710 [ 2527.346584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.346584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.346584][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.346584][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.346584][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.346584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.346584][ T10] [ 2527.348565][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2527.348565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.348565][ T10] ipv6_find_idev+0x102/0x170 [ 2527.348565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.348565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.348565][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.348565][ T10] netlink_unicast+0x449/0x710 [ 2527.348565][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.348565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.348565][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.348565][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.348565][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.348565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.348565][ T10] [ 2527.350336][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2527.350336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.350336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.350336][ T10] ipv6_find_idev+0x102/0x170 [ 2527.350336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.350336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.350336][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.350336][ T10] netlink_unicast+0x449/0x710 [ 2527.350336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.350336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.350336][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.350336][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.350336][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.350336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.350336][ T10] [ 2527.352218][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2527.352480][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2527.352480][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.352480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.352480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.352480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.352480][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.352480][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.352480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.352480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.352480][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.352480][ T10] netlink_unicast+0x449/0x710 [ 2527.352480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.352480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.352480][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.352480][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.352480][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.352480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.352480][ T10] [ 2527.354645][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2527.354645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.354645][ T10] ipv6_find_idev+0x102/0x170 [ 2527.354645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.354645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.354645][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.354645][ T10] netlink_unicast+0x449/0x710 [ 2527.354645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.354645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.354645][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.354645][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.354645][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.354645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.354645][ T10] [ 2527.356345][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2527.356345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.356345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.356345][ T10] ipv6_find_idev+0x102/0x170 [ 2527.356345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.356345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.356345][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.356345][ T10] netlink_unicast+0x449/0x710 [ 2527.356345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.356345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.356345][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.356345][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.356345][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.356345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.356345][ T10] [ 2527.358220][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2527.358531][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2527.358531][ T10] netdev_get_by_index+0x5e/0x80 [ 2527.358531][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2527.358531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2527.358531][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2527.358531][ T10] ipv6_add_addr+0x411/0x2000 [ 2527.358531][ T10] inet6_addr_add+0x30e/0xa40 [ 2527.358531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.358531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.358531][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.358531][ T10] netlink_unicast+0x449/0x710 [ 2527.358531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.358531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.358531][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.358531][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.358531][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.358531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.358531][ T10] [ 2527.360743][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2527.360743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2527.360743][ T10] ipv6_find_idev+0x102/0x170 [ 2527.360743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.360743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.360743][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.360743][ T10] netlink_unicast+0x449/0x710 [ 2527.360743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.360743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.360743][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.360743][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.360743][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.360743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.360743][ T10] [ 2527.362442][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2527.362442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2527.362442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2527.362442][ T10] ipv6_find_idev+0x102/0x170 [ 2527.362442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.362442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.362442][ T10] netlink_rcv_skb+0x130/0x360 [ 2527.362442][ T10] netlink_unicast+0x449/0x710 [ 2527.362442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2527.362442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2527.362442][ T10] ___sys_sendmsg+0xee/0x170 [ 2527.362442][ T10] __sys_sendmsg+0xcd/0x170 [ 2527.362442][ T10] do_syscall_64+0xc6/0x1e0 [ 2527.362442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.362442][ T10] [ 2537.493971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2537.494545][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2537.494545][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.494545][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.494545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.494545][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.494545][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.494545][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.494545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.494545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.494545][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.494545][ T10] netlink_unicast+0x449/0x710 [ 2537.494545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.494545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.494545][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.494545][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.494545][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.494545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.494545][ T10] [ 2537.496551][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2537.496551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.496551][ T10] ipv6_find_idev+0x102/0x170 [ 2537.496551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.496551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.496551][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.496551][ T10] netlink_unicast+0x449/0x710 [ 2537.496551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.496551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.496551][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.496551][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.496551][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.496551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.496551][ T10] [ 2537.498041][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2537.498041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.498041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.498041][ T10] ipv6_find_idev+0x102/0x170 [ 2537.498041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.498041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.498041][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.498041][ T10] netlink_unicast+0x449/0x710 [ 2537.498041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.498041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.498041][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.498041][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.498041][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.498041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.498041][ T10] [ 2537.499732][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2537.500050][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2537.500050][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.500050][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.500050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.500050][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.500050][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.500050][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.500050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.500050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.500050][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.500050][ T10] netlink_unicast+0x449/0x710 [ 2537.500050][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.500050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.500050][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.500050][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.500050][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.500050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.500050][ T10] [ 2537.502003][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2537.502003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.502003][ T10] ipv6_find_idev+0x102/0x170 [ 2537.502003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.502003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.502003][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.502003][ T10] netlink_unicast+0x449/0x710 [ 2537.502003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.502003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.502003][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.502003][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.502003][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.502003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.502003][ T10] [ 2537.504041][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2537.504041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.504041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.504041][ T10] ipv6_find_idev+0x102/0x170 [ 2537.504041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.504041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.504041][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.504041][ T10] netlink_unicast+0x449/0x710 [ 2537.504041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.504041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.504041][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.504041][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.504041][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.504041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.504041][ T10] [ 2537.505705][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2537.505983][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2537.505983][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.505983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.505983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.505983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.505983][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.505983][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.505983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.505983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.505983][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.505983][ T10] netlink_unicast+0x449/0x710 [ 2537.505983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.505983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.505983][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.505983][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.505983][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.505983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.505983][ T10] [ 2537.507965][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2537.507965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.507965][ T10] ipv6_find_idev+0x102/0x170 [ 2537.507965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.507965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.507965][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.507965][ T10] netlink_unicast+0x449/0x710 [ 2537.507965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.507965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.507965][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.507965][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.507965][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.507965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.507965][ T10] [ 2537.509869][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2537.509869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.509869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.509869][ T10] ipv6_find_idev+0x102/0x170 [ 2537.509869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.509869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.509869][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.509869][ T10] netlink_unicast+0x449/0x710 [ 2537.509869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.509869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.509869][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.509869][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.509869][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.509869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.509869][ T10] [ 2537.511545][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2537.512269][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2537.512269][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.512269][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.512269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.512269][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.512269][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.512269][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.512269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.512269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.512269][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.512269][ T10] netlink_unicast+0x449/0x710 [ 2537.512269][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.512269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.512269][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.512269][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.512269][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.512269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.512269][ T10] [ 2537.514258][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2537.514258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.514258][ T10] ipv6_find_idev+0x102/0x170 [ 2537.514258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.514258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.514258][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.514258][ T10] netlink_unicast+0x449/0x710 [ 2537.514258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.514258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.514258][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.514258][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.514258][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.514258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.514258][ T10] [ 2537.515778][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2537.515778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.515778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.515778][ T10] ipv6_find_idev+0x102/0x170 [ 2537.515778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.515778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.515778][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.515778][ T10] netlink_unicast+0x449/0x710 [ 2537.515778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.515778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.515778][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.515778][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.515778][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.515778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.515778][ T10] [ 2537.517465][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2537.517730][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2537.517730][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.517730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.517730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.517730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.517730][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.517730][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.517730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.517730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.517730][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.517730][ T10] netlink_unicast+0x449/0x710 [ 2537.517730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.517730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.517730][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.517730][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.517730][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.517730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.517730][ T10] [ 2537.519721][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2537.519721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.519721][ T10] ipv6_find_idev+0x102/0x170 [ 2537.519721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.519721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.519721][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.519721][ T10] netlink_unicast+0x449/0x710 [ 2537.519721][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.519721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.519721][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.519721][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.519721][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.519721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.519721][ T10] [ 2537.521244][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2537.521244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.521244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.521244][ T10] ipv6_find_idev+0x102/0x170 [ 2537.521244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.521244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.521244][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.521244][ T10] netlink_unicast+0x449/0x710 [ 2537.521244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.521244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.521244][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.521244][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.521244][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.521244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.521244][ T10] [ 2537.522948][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2537.523210][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2537.523210][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.523210][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.523210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.523210][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.523210][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.523210][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.523210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.523210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.523210][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.523210][ T10] netlink_unicast+0x449/0x710 [ 2537.523210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.523210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.523210][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.523210][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.523210][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.523210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.523210][ T10] [ 2537.525335][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2537.525335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.525335][ T10] ipv6_find_idev+0x102/0x170 [ 2537.525335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.525335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.525335][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.525335][ T10] netlink_unicast+0x449/0x710 [ 2537.525335][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.525335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.525335][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.525335][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.525335][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.525335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.525335][ T10] [ 2537.527083][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2537.527083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.527083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.527083][ T10] ipv6_find_idev+0x102/0x170 [ 2537.527083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.527083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.527083][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.527083][ T10] netlink_unicast+0x449/0x710 [ 2537.527083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.527083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.527083][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.527083][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.527083][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.527083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.527083][ T10] [ 2537.529007][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2537.529267][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2537.529267][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.529267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.529267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.529267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.529267][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.529267][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.529267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.529267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.529267][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.529267][ T10] netlink_unicast+0x449/0x710 [ 2537.529267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.529267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.529267][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.529267][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.529267][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.529267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.529267][ T10] [ 2537.531491][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2537.531491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.531491][ T10] ipv6_find_idev+0x102/0x170 [ 2537.531491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.531491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.531491][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.531491][ T10] netlink_unicast+0x449/0x710 [ 2537.531491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.531491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.531491][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.531491][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.531491][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.531491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.531491][ T10] [ 2537.533172][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2537.533172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.533172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.533172][ T10] ipv6_find_idev+0x102/0x170 [ 2537.533172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.533172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.533172][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.533172][ T10] netlink_unicast+0x449/0x710 [ 2537.533172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.533172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.533172][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.533172][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.533172][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.533172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.533172][ T10] [ 2537.535036][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2537.535346][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2537.535346][ T10] netdev_get_by_index+0x5e/0x80 [ 2537.535346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2537.535346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2537.535346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2537.535346][ T10] ipv6_add_addr+0x411/0x2000 [ 2537.535346][ T10] inet6_addr_add+0x30e/0xa40 [ 2537.535346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.535346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.535346][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.535346][ T10] netlink_unicast+0x449/0x710 [ 2537.535346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.535346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.535346][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.535346][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.535346][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.535346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.535346][ T10] [ 2537.537580][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2537.537580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2537.537580][ T10] ipv6_find_idev+0x102/0x170 [ 2537.537580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.537580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.537580][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.537580][ T10] netlink_unicast+0x449/0x710 [ 2537.537580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.537580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.537580][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.537580][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.537580][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.537580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.537580][ T10] [ 2537.539278][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2537.539278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2537.539278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2537.539278][ T10] ipv6_find_idev+0x102/0x170 [ 2537.539278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.539278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.539278][ T10] netlink_rcv_skb+0x130/0x360 [ 2537.539278][ T10] netlink_unicast+0x449/0x710 [ 2537.539278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2537.539278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2537.539278][ T10] ___sys_sendmsg+0xee/0x170 [ 2537.539278][ T10] __sys_sendmsg+0xcd/0x170 [ 2537.539278][ T10] do_syscall_64+0xc6/0x1e0 [ 2537.539278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.539278][ T10] [ 2547.781953][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2547.782431][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2547.782431][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.782431][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.782431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.782431][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.782431][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.782431][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.782431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.782431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.782431][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.782431][ T10] netlink_unicast+0x449/0x710 [ 2547.782431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.782431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.782431][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.782431][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.782431][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.782431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.782431][ T10] [ 2547.784392][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2547.784392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.784392][ T10] ipv6_find_idev+0x102/0x170 [ 2547.784392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.784392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.784392][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.784392][ T10] netlink_unicast+0x449/0x710 [ 2547.784392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.784392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.784392][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.784392][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.784392][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.784392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.784392][ T10] [ 2547.785887][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2547.785887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.785887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.785887][ T10] ipv6_find_idev+0x102/0x170 [ 2547.785887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.785887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.785887][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.785887][ T10] netlink_unicast+0x449/0x710 [ 2547.785887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.785887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.785887][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.785887][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.785887][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.785887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.785887][ T10] [ 2547.787532][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2547.787850][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2547.787850][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.787850][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.787850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.787850][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.787850][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.787850][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.787850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.787850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.787850][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.787850][ T10] netlink_unicast+0x449/0x710 [ 2547.787850][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.787850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.787850][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.787850][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.787850][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.787850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.787850][ T10] [ 2547.789840][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2547.789840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.789840][ T10] ipv6_find_idev+0x102/0x170 [ 2547.789840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.789840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.789840][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.789840][ T10] netlink_unicast+0x449/0x710 [ 2547.789840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.789840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.789840][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.789840][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.789840][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.789840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.789840][ T10] [ 2547.791375][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2547.791375][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.791375][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.791375][ T10] ipv6_find_idev+0x102/0x170 [ 2547.791375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.791375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.791375][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.791375][ T10] netlink_unicast+0x449/0x710 [ 2547.791375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.791375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.791375][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.791375][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.791375][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.791375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.791375][ T10] [ 2547.793159][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2547.793444][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2547.793444][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.793444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.793444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.793444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.793444][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.793444][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.793444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.793444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.793444][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.793444][ T10] netlink_unicast+0x449/0x710 [ 2547.793444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.793444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.793444][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.793444][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.793444][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.793444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.793444][ T10] [ 2547.795430][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2547.795430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.795430][ T10] ipv6_find_idev+0x102/0x170 [ 2547.795430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.795430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.795430][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.795430][ T10] netlink_unicast+0x449/0x710 [ 2547.795430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.795430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.795430][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.795430][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.795430][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.795430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.795430][ T10] [ 2547.796947][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2547.796947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.796947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.796947][ T10] ipv6_find_idev+0x102/0x170 [ 2547.796947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.796947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.796947][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.796947][ T10] netlink_unicast+0x449/0x710 [ 2547.796947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.796947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.796947][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.796947][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.796947][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.796947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.796947][ T10] [ 2547.798653][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2547.799350][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2547.799350][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.799350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.799350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.799350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.799350][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.799350][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.799350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.799350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.799350][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.799350][ T10] netlink_unicast+0x449/0x710 [ 2547.799350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.799350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.799350][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.799350][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.799350][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.799350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.799350][ T10] [ 2547.801343][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2547.801343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.801343][ T10] ipv6_find_idev+0x102/0x170 [ 2547.801343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.801343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.801343][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.801343][ T10] netlink_unicast+0x449/0x710 [ 2547.801343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.801343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.801343][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.801343][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.801343][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.801343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.801343][ T10] [ 2547.802860][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2547.802860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.802860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.802860][ T10] ipv6_find_idev+0x102/0x170 [ 2547.802860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.802860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.802860][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.802860][ T10] netlink_unicast+0x449/0x710 [ 2547.802860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.802860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.802860][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.802860][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.802860][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.802860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.802860][ T10] [ 2547.804563][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2547.804877][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2547.804877][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.804877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.804877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.804877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.804877][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.804877][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.804877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.804877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.804877][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.804877][ T10] netlink_unicast+0x449/0x710 [ 2547.804877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.804877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.804877][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.804877][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.804877][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.804877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.804877][ T10] [ 2547.806856][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2547.806856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.806856][ T10] ipv6_find_idev+0x102/0x170 [ 2547.806856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.806856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.806856][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.806856][ T10] netlink_unicast+0x449/0x710 [ 2547.806856][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.806856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.806856][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.806856][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.806856][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.806856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.806856][ T10] [ 2547.808755][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2547.808755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.808755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.808755][ T10] ipv6_find_idev+0x102/0x170 [ 2547.808755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.808755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.808755][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.808755][ T10] netlink_unicast+0x449/0x710 [ 2547.808755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.808755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.808755][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.808755][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.808755][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.808755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.808755][ T10] [ 2547.810465][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2547.810727][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2547.810727][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.810727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.810727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.810727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.810727][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.810727][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.810727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.810727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.810727][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.810727][ T10] netlink_unicast+0x449/0x710 [ 2547.810727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.810727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.810727][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.810727][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.810727][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.810727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.810727][ T10] [ 2547.812766][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2547.812766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.812766][ T10] ipv6_find_idev+0x102/0x170 [ 2547.812766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.812766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.812766][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.812766][ T10] netlink_unicast+0x449/0x710 [ 2547.812766][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.812766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.812766][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.812766][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.812766][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.812766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.812766][ T10] [ 2547.814469][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2547.814469][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.814469][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.814469][ T10] ipv6_find_idev+0x102/0x170 [ 2547.814469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.814469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.814469][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.814469][ T10] netlink_unicast+0x449/0x710 [ 2547.814469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.814469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.814469][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.814469][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.814469][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.814469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.814469][ T10] [ 2547.816458][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2547.816720][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2547.816720][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.816720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.816720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.816720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.816720][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.816720][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.816720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.816720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.816720][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.816720][ T10] netlink_unicast+0x449/0x710 [ 2547.816720][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.816720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.816720][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.816720][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.816720][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.816720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.816720][ T10] [ 2547.818871][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2547.818871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.818871][ T10] ipv6_find_idev+0x102/0x170 [ 2547.818871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.818871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.818871][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.818871][ T10] netlink_unicast+0x449/0x710 [ 2547.818871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.818871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.818871][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.818871][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.818871][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.818871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.818871][ T10] [ 2547.820574][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2547.820574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.820574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.820574][ T10] ipv6_find_idev+0x102/0x170 [ 2547.820574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.820574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.820574][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.820574][ T10] netlink_unicast+0x449/0x710 [ 2547.820574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.820574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.820574][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.820574][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.820574][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.820574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.820574][ T10] [ 2547.822453][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2547.822761][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2547.822761][ T10] netdev_get_by_index+0x5e/0x80 [ 2547.822761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2547.822761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2547.822761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2547.822761][ T10] ipv6_add_addr+0x411/0x2000 [ 2547.822761][ T10] inet6_addr_add+0x30e/0xa40 [ 2547.822761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.822761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.822761][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.822761][ T10] netlink_unicast+0x449/0x710 [ 2547.822761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.822761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.822761][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.822761][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.822761][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.822761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.822761][ T10] [ 2547.824924][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2547.824924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2547.824924][ T10] ipv6_find_idev+0x102/0x170 [ 2547.824924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.824924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.824924][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.824924][ T10] netlink_unicast+0x449/0x710 [ 2547.824924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.824924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.824924][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.824924][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.824924][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.824924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.824924][ T10] [ 2547.826696][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2547.826696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2547.826696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2547.826696][ T10] ipv6_find_idev+0x102/0x170 [ 2547.826696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.826696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.826696][ T10] netlink_rcv_skb+0x130/0x360 [ 2547.826696][ T10] netlink_unicast+0x449/0x710 [ 2547.826696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2547.826696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2547.826696][ T10] ___sys_sendmsg+0xee/0x170 [ 2547.826696][ T10] __sys_sendmsg+0xcd/0x170 [ 2547.826696][ T10] do_syscall_64+0xc6/0x1e0 [ 2547.826696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.826696][ T10] [ 2558.069973][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2558.070507][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2558.070507][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.070507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.070507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.070507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.070507][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.070507][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.070507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.070507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.070507][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.070507][ T10] netlink_unicast+0x449/0x710 [ 2558.070507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.070507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.070507][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.070507][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.070507][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.070507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.070507][ T10] [ 2558.072523][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2558.072523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.072523][ T10] ipv6_find_idev+0x102/0x170 [ 2558.072523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.072523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.072523][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.072523][ T10] netlink_unicast+0x449/0x710 [ 2558.072523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.072523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.072523][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.072523][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.072523][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.072523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.072523][ T10] [ 2558.074026][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2558.074026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.074026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.074026][ T10] ipv6_find_idev+0x102/0x170 [ 2558.074026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.074026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.074026][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.074026][ T10] netlink_unicast+0x449/0x710 [ 2558.074026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.074026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.074026][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.074026][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.074026][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.074026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.074026][ T10] [ 2558.075698][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2558.075980][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2558.075980][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.075980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.075980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.075980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.075980][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.075980][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.075980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.075980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.075980][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.075980][ T10] netlink_unicast+0x449/0x710 [ 2558.075980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.075980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.075980][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.075980][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.075980][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.075980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.075980][ T10] [ 2558.077931][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2558.077931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.077931][ T10] ipv6_find_idev+0x102/0x170 [ 2558.077931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.077931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.077931][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.077931][ T10] netlink_unicast+0x449/0x710 [ 2558.077931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.077931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.077931][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.077931][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.077931][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.077931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.077931][ T10] [ 2558.079463][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2558.079463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.079463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.079463][ T10] ipv6_find_idev+0x102/0x170 [ 2558.079463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.079463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.079463][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.079463][ T10] netlink_unicast+0x449/0x710 [ 2558.079463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.079463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.079463][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.079463][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.079463][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.079463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.079463][ T10] [ 2558.081169][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2558.081461][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2558.081461][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.081461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.081461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.081461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.081461][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.081461][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.081461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.081461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.081461][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.081461][ T10] netlink_unicast+0x449/0x710 [ 2558.081461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.081461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.081461][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.081461][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.081461][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.081461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.081461][ T10] [ 2558.083387][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2558.083387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.083387][ T10] ipv6_find_idev+0x102/0x170 [ 2558.083387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.083387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.083387][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.083387][ T10] netlink_unicast+0x449/0x710 [ 2558.083387][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.083387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.083387][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.083387][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.083387][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.083387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.083387][ T10] [ 2558.084872][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2558.084872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.084872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.084872][ T10] ipv6_find_idev+0x102/0x170 [ 2558.084872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.084872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.084872][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.084872][ T10] netlink_unicast+0x449/0x710 [ 2558.084872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.084872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.084872][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.084872][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.084872][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.084872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.084872][ T10] [ 2558.086492][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2558.086744][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2558.086744][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.086744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.086744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.086744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.086744][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.086744][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.086744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.086744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.086744][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.086744][ T10] netlink_unicast+0x449/0x710 [ 2558.086744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.086744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.086744][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.086744][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.086744][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.086744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.086744][ T10] [ 2558.088765][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2558.088765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.088765][ T10] ipv6_find_idev+0x102/0x170 [ 2558.088765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.088765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.088765][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.088765][ T10] netlink_unicast+0x449/0x710 [ 2558.088765][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.088765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.088765][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.088765][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.088765][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.088765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.088765][ T10] [ 2558.090259][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2558.090259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.090259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.090259][ T10] ipv6_find_idev+0x102/0x170 [ 2558.090259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.090259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.090259][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.090259][ T10] netlink_unicast+0x449/0x710 [ 2558.090259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.090259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.090259][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.090259][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.090259][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.090259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.090259][ T10] [ 2558.092307][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2558.092581][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2558.092581][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.092581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.092581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.092581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.092581][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.092581][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.092581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.092581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.092581][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.092581][ T10] netlink_unicast+0x449/0x710 [ 2558.092581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.092581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.092581][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.092581][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.092581][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.092581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.092581][ T10] [ 2558.094552][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2558.094552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.094552][ T10] ipv6_find_idev+0x102/0x170 [ 2558.094552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.094552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.094552][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.094552][ T10] netlink_unicast+0x449/0x710 [ 2558.094552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.094552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.094552][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.094552][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.094552][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.094552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.094552][ T10] [ 2558.096073][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2558.096073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.096073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.096073][ T10] ipv6_find_idev+0x102/0x170 [ 2558.096073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.096073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.096073][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.096073][ T10] netlink_unicast+0x449/0x710 [ 2558.096073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.096073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.096073][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.096073][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.096073][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.096073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.096073][ T10] [ 2558.097804][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2558.098062][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2558.098062][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.098062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.098062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.098062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.098062][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.098062][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.098062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.098062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.098062][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.098062][ T10] netlink_unicast+0x449/0x710 [ 2558.098062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.098062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.098062][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.098062][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.098062][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.098062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.098062][ T10] [ 2558.100187][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2558.100187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.100187][ T10] ipv6_find_idev+0x102/0x170 [ 2558.100187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.100187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.100187][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.100187][ T10] netlink_unicast+0x449/0x710 [ 2558.100187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.100187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.100187][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.100187][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.100187][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.100187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.100187][ T10] [ 2558.101904][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2558.101904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.101904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.101904][ T10] ipv6_find_idev+0x102/0x170 [ 2558.101904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.101904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.101904][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.101904][ T10] netlink_unicast+0x449/0x710 [ 2558.101904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.101904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.101904][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.101904][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.101904][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.101904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.101904][ T10] [ 2558.103929][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2558.104200][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2558.104200][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.104200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.104200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.104200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.104200][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.104200][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.104200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.104200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.104200][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.104200][ T10] netlink_unicast+0x449/0x710 [ 2558.104200][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.104200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.104200][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.104200][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.104200][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.104200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.104200][ T10] [ 2558.106290][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2558.106290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.106290][ T10] ipv6_find_idev+0x102/0x170 [ 2558.106290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.106290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.106290][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.106290][ T10] netlink_unicast+0x449/0x710 [ 2558.106290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.106290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.106290][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.106290][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.106290][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.106290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.106290][ T10] [ 2558.107991][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2558.107991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.107991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.107991][ T10] ipv6_find_idev+0x102/0x170 [ 2558.107991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.107991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.107991][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.107991][ T10] netlink_unicast+0x449/0x710 [ 2558.107991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.107991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.107991][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.107991][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.107991][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.107991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.107991][ T10] [ 2558.109904][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2558.110166][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2558.110166][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.110166][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.110166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.110166][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.110166][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.110166][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.110166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.110166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.110166][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.110166][ T10] netlink_unicast+0x449/0x710 [ 2558.110166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.110166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.110166][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.110166][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.110166][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.110166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.110166][ T10] [ 2558.112304][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2558.112304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.112304][ T10] ipv6_find_idev+0x102/0x170 [ 2558.112304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.112304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.112304][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.112304][ T10] netlink_unicast+0x449/0x710 [ 2558.112304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.112304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.112304][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.112304][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.112304][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.112304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.112304][ T10] [ 2558.114186][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2558.114186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.114186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.114186][ T10] ipv6_find_idev+0x102/0x170 [ 2558.114186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.114186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.114186][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.114186][ T10] netlink_unicast+0x449/0x710 [ 2558.114186][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.114186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.114186][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.114186][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.114186][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.114186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.114186][ T10] [ 2568.357970][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2568.358650][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2568.358650][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.358650][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.358650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.358650][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.358650][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.358650][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.358650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.358650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.358650][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.358650][ T10] netlink_unicast+0x449/0x710 [ 2568.358650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.358650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.358650][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.358650][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.358650][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.358650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.358650][ T10] [ 2568.360606][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2568.360606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.360606][ T10] ipv6_find_idev+0x102/0x170 [ 2568.360606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.360606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.360606][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.360606][ T10] netlink_unicast+0x449/0x710 [ 2568.360606][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.360606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.360606][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.360606][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.360606][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.360606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.360606][ T10] [ 2568.362082][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2568.362082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.362082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.362082][ T10] ipv6_find_idev+0x102/0x170 [ 2568.362082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.362082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.362082][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.362082][ T10] netlink_unicast+0x449/0x710 [ 2568.362082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.362082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.362082][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.362082][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.362082][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.362082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.362082][ T10] [ 2568.363765][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2568.364068][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2568.364068][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.364068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.364068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.364068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.364068][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.364068][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.364068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.364068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.364068][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.364068][ T10] netlink_unicast+0x449/0x710 [ 2568.364068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.364068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.364068][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.364068][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.364068][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.364068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.364068][ T10] [ 2568.366116][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2568.366116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.366116][ T10] ipv6_find_idev+0x102/0x170 [ 2568.366116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.366116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.366116][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.366116][ T10] netlink_unicast+0x449/0x710 [ 2568.366116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.366116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.366116][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.366116][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.366116][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.366116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.366116][ T10] [ 2568.367687][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2568.367687][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.367687][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.367687][ T10] ipv6_find_idev+0x102/0x170 [ 2568.367687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.367687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.367687][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.367687][ T10] netlink_unicast+0x449/0x710 [ 2568.367687][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.367687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.367687][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.367687][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.367687][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.367687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.367687][ T10] [ 2568.369302][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2568.369587][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2568.369587][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.369587][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.369587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.369587][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.369587][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.369587][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.369587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.369587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.369587][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.369587][ T10] netlink_unicast+0x449/0x710 [ 2568.369587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.369587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.369587][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.369587][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.369587][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.369587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.369587][ T10] [ 2568.371636][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2568.371636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.371636][ T10] ipv6_find_idev+0x102/0x170 [ 2568.371636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.371636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.371636][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.371636][ T10] netlink_unicast+0x449/0x710 [ 2568.371636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.371636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.371636][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.371636][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.371636][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.371636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.371636][ T10] [ 2568.373180][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2568.373180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.373180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.373180][ T10] ipv6_find_idev+0x102/0x170 [ 2568.373180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.373180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.373180][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.373180][ T10] netlink_unicast+0x449/0x710 [ 2568.373180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.373180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.373180][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.373180][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.373180][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.373180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.373180][ T10] [ 2568.374858][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2568.375125][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2568.375125][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.375125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.375125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.375125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.375125][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.375125][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.375125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.375125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.375125][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.375125][ T10] netlink_unicast+0x449/0x710 [ 2568.375125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.375125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.375125][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.375125][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.375125][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.375125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.375125][ T10] [ 2568.377128][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2568.377128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.377128][ T10] ipv6_find_idev+0x102/0x170 [ 2568.377128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.377128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.377128][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.377128][ T10] netlink_unicast+0x449/0x710 [ 2568.377128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.377128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.377128][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.377128][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.377128][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.377128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.377128][ T10] [ 2568.378776][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2568.378776][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.378776][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.378776][ T10] ipv6_find_idev+0x102/0x170 [ 2568.378776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.378776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.378776][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.378776][ T10] netlink_unicast+0x449/0x710 [ 2568.378776][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.378776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.378776][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.378776][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.378776][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.378776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.378776][ T10] [ 2568.380904][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2568.381496][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2568.381496][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.381496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.381496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.381496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.381496][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.381496][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.381496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.381496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.381496][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.381496][ T10] netlink_unicast+0x449/0x710 [ 2568.381496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.381496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.381496][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.381496][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.381496][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.381496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.381496][ T10] [ 2568.383492][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2568.383492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.383492][ T10] ipv6_find_idev+0x102/0x170 [ 2568.383492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.383492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.383492][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.383492][ T10] netlink_unicast+0x449/0x710 [ 2568.383492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.383492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.383492][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.383492][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.383492][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.383492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.383492][ T10] [ 2568.385011][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2568.385011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.385011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.385011][ T10] ipv6_find_idev+0x102/0x170 [ 2568.385011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.385011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.385011][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.385011][ T10] netlink_unicast+0x449/0x710 [ 2568.385011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.385011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.385011][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.385011][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.385011][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.385011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.385011][ T10] [ 2568.386652][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2568.386991][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2568.386991][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.386991][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.386991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.386991][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.386991][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.386991][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.386991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.386991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.386991][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.386991][ T10] netlink_unicast+0x449/0x710 [ 2568.386991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.386991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.386991][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.386991][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.386991][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.386991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.386991][ T10] [ 2568.388997][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2568.388997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.388997][ T10] ipv6_find_idev+0x102/0x170 [ 2568.388997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.388997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.388997][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.388997][ T10] netlink_unicast+0x449/0x710 [ 2568.388997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.388997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.388997][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.388997][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.388997][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.388997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.388997][ T10] [ 2568.390607][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2568.390607][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.390607][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.390607][ T10] ipv6_find_idev+0x102/0x170 [ 2568.390607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.390607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.390607][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.390607][ T10] netlink_unicast+0x449/0x710 [ 2568.390607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.390607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.390607][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.390607][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.390607][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.390607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.390607][ T10] [ 2568.392504][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2568.392842][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2568.392842][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.392842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.392842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.392842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.392842][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.392842][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.392842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.392842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.392842][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.392842][ T10] netlink_unicast+0x449/0x710 [ 2568.392842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.392842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.392842][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.392842][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.392842][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.392842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.392842][ T10] [ 2568.395025][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2568.395025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.395025][ T10] ipv6_find_idev+0x102/0x170 [ 2568.395025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.395025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.395025][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.395025][ T10] netlink_unicast+0x449/0x710 [ 2568.395025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.395025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.395025][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.395025][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.395025][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.395025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.395025][ T10] [ 2568.396917][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2568.396917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.396917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.396917][ T10] ipv6_find_idev+0x102/0x170 [ 2568.396917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.396917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.396917][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.396917][ T10] netlink_unicast+0x449/0x710 [ 2568.396917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.396917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.396917][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.396917][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.396917][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.396917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.396917][ T10] [ 2568.398904][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2568.399218][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2568.399218][ T10] netdev_get_by_index+0x5e/0x80 [ 2568.399218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2568.399218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2568.399218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2568.399218][ T10] ipv6_add_addr+0x411/0x2000 [ 2568.399218][ T10] inet6_addr_add+0x30e/0xa40 [ 2568.399218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2568.399218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.399218][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.399218][ T10] netlink_unicast+0x449/0x710 [ 2568.399218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.399218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.399218][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.399218][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.399218][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.399218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.399218][ T10] [ 2568.401418][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2568.401418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2568.401418][ T10] ipv6_find_idev+0x102/0x170 [ 2568.401418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.401418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.401418][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.401418][ T10] netlink_unicast+0x449/0x710 [ 2568.401418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.401418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.401418][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.401418][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.401418][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.401418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.401418][ T10] [ 2568.403144][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2568.403144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2568.403144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2568.403144][ T10] ipv6_find_idev+0x102/0x170 [ 2568.403144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2568.403144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2568.403144][ T10] netlink_rcv_skb+0x130/0x360 [ 2568.403144][ T10] netlink_unicast+0x449/0x710 [ 2568.403144][ T10] netlink_sendmsg+0x723/0xbe0 [ 2568.403144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2568.403144][ T10] ___sys_sendmsg+0xee/0x170 [ 2568.403144][ T10] __sys_sendmsg+0xcd/0x170 [ 2568.403144][ T10] do_syscall_64+0xc6/0x1e0 [ 2568.403144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2568.403144][ T10] [ 2578.645939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2578.646485][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2578.646485][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.646485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.646485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.646485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.646485][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.646485][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.646485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.646485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.646485][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.646485][ T10] netlink_unicast+0x449/0x710 [ 2578.646485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.646485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.646485][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.646485][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.646485][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.646485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.646485][ T10] [ 2578.648381][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2578.648381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.648381][ T10] ipv6_find_idev+0x102/0x170 [ 2578.648381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.648381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.648381][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.648381][ T10] netlink_unicast+0x449/0x710 [ 2578.648381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.648381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.648381][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.648381][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.648381][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.648381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.648381][ T10] [ 2578.649966][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2578.649966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.649966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.649966][ T10] ipv6_find_idev+0x102/0x170 [ 2578.649966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.649966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.649966][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.649966][ T10] netlink_unicast+0x449/0x710 [ 2578.649966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.649966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.649966][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.649966][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.649966][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.649966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.649966][ T10] [ 2578.651687][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2578.651975][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2578.651975][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.651975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.651975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.651975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.651975][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.651975][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.651975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.651975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.651975][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.651975][ T10] netlink_unicast+0x449/0x710 [ 2578.651975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.651975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.651975][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.651975][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.651975][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.651975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.651975][ T10] [ 2578.653981][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2578.653981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.653981][ T10] ipv6_find_idev+0x102/0x170 [ 2578.653981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.653981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.653981][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.653981][ T10] netlink_unicast+0x449/0x710 [ 2578.653981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.653981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.653981][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.653981][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.653981][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.653981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.653981][ T10] [ 2578.655529][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2578.655529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.655529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.655529][ T10] ipv6_find_idev+0x102/0x170 [ 2578.655529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.655529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.655529][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.655529][ T10] netlink_unicast+0x449/0x710 [ 2578.655529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.655529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.655529][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.655529][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.655529][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.655529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.655529][ T10] [ 2578.657247][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2578.657511][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2578.657511][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.657511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.657511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.657511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.657511][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.657511][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.657511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.657511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.657511][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.657511][ T10] netlink_unicast+0x449/0x710 [ 2578.657511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.657511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.657511][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.657511][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.657511][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.657511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.657511][ T10] [ 2578.659517][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2578.659517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.659517][ T10] ipv6_find_idev+0x102/0x170 [ 2578.659517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.659517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.659517][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.659517][ T10] netlink_unicast+0x449/0x710 [ 2578.659517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.659517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.659517][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.659517][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.659517][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.659517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.659517][ T10] [ 2578.661070][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2578.661070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.661070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.661070][ T10] ipv6_find_idev+0x102/0x170 [ 2578.661070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.661070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.661070][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.661070][ T10] netlink_unicast+0x449/0x710 [ 2578.661070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.661070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.661070][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.661070][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.661070][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.661070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.661070][ T10] [ 2578.662754][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2578.663466][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2578.663466][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.663466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.663466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.663466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.663466][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.663466][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.663466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.663466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.663466][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.663466][ T10] netlink_unicast+0x449/0x710 [ 2578.663466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.663466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.663466][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.663466][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.663466][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.663466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.663466][ T10] [ 2578.665477][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2578.665477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.665477][ T10] ipv6_find_idev+0x102/0x170 [ 2578.665477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.665477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.665477][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.665477][ T10] netlink_unicast+0x449/0x710 [ 2578.665477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.665477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.665477][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.665477][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.665477][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.665477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.665477][ T10] [ 2578.667017][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2578.667017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.667017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.667017][ T10] ipv6_find_idev+0x102/0x170 [ 2578.667017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.667017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.667017][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.667017][ T10] netlink_unicast+0x449/0x710 [ 2578.667017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.667017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.667017][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.667017][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.667017][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.667017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.667017][ T10] [ 2578.668751][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2578.669072][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2578.669072][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.669072][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.669072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.669072][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.669072][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.669072][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.669072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.669072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.669072][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.669072][ T10] netlink_unicast+0x449/0x710 [ 2578.669072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.669072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.669072][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.669072][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.669072][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.669072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.669072][ T10] [ 2578.671090][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2578.671090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.671090][ T10] ipv6_find_idev+0x102/0x170 [ 2578.671090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.671090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.671090][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.671090][ T10] netlink_unicast+0x449/0x710 [ 2578.671090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.671090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.671090][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.671090][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.671090][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.671090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.671090][ T10] [ 2578.672634][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2578.672634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.672634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.672634][ T10] ipv6_find_idev+0x102/0x170 [ 2578.672634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.672634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.672634][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.672634][ T10] netlink_unicast+0x449/0x710 [ 2578.672634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.672634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.672634][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.672634][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.672634][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.672634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.672634][ T10] [ 2578.674389][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2578.674706][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2578.674706][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.674706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.674706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.674706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.674706][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.674706][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.674706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.674706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.674706][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.674706][ T10] netlink_unicast+0x449/0x710 [ 2578.674706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.674706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.674706][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.674706][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.674706][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.674706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.674706][ T10] [ 2578.676761][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2578.676761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.676761][ T10] ipv6_find_idev+0x102/0x170 [ 2578.676761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.676761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.676761][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.676761][ T10] netlink_unicast+0x449/0x710 [ 2578.676761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.676761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.676761][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.676761][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.676761][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.676761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.676761][ T10] [ 2578.678492][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2578.678492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.678492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.678492][ T10] ipv6_find_idev+0x102/0x170 [ 2578.678492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.678492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.678492][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.678492][ T10] netlink_unicast+0x449/0x710 [ 2578.678492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.678492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.678492][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.678492][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.678492][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.678492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.678492][ T10] [ 2578.680370][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2578.680675][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2578.680675][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.680675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.680675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.680675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.680675][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.680675][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.680675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.680675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.680675][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.680675][ T10] netlink_unicast+0x449/0x710 [ 2578.680675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.680675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.680675][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.680675][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.680675][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.680675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.680675][ T10] [ 2578.682875][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2578.682875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.682875][ T10] ipv6_find_idev+0x102/0x170 [ 2578.682875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.682875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.682875][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.682875][ T10] netlink_unicast+0x449/0x710 [ 2578.682875][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.682875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.682875][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.682875][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.682875][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.682875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.682875][ T10] [ 2578.684624][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2578.684624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.684624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.684624][ T10] ipv6_find_idev+0x102/0x170 [ 2578.684624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.684624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.684624][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.684624][ T10] netlink_unicast+0x449/0x710 [ 2578.684624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.684624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.684624][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.684624][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.684624][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.684624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.684624][ T10] [ 2578.686496][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2578.686814][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2578.686814][ T10] netdev_get_by_index+0x5e/0x80 [ 2578.686814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2578.686814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2578.686814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2578.686814][ T10] ipv6_add_addr+0x411/0x2000 [ 2578.686814][ T10] inet6_addr_add+0x30e/0xa40 [ 2578.686814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.686814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.686814][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.686814][ T10] netlink_unicast+0x449/0x710 [ 2578.686814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.686814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.686814][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.686814][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.686814][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.686814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.686814][ T10] [ 2578.688967][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2578.688967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2578.688967][ T10] ipv6_find_idev+0x102/0x170 [ 2578.688967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.688967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.688967][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.688967][ T10] netlink_unicast+0x449/0x710 [ 2578.688967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.688967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.688967][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.688967][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.688967][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.688967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.688967][ T10] [ 2578.690765][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2578.690765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2578.690765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2578.690765][ T10] ipv6_find_idev+0x102/0x170 [ 2578.690765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.690765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.690765][ T10] netlink_rcv_skb+0x130/0x360 [ 2578.690765][ T10] netlink_unicast+0x449/0x710 [ 2578.690765][ T10] netlink_sendmsg+0x723/0xbe0 [ 2578.690765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2578.690765][ T10] ___sys_sendmsg+0xee/0x170 [ 2578.690765][ T10] __sys_sendmsg+0xcd/0x170 [ 2578.690765][ T10] do_syscall_64+0xc6/0x1e0 [ 2578.690765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.690765][ T10] [ 2588.838049][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2588.838571][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2588.838571][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.838571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.838571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.838571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.838571][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.838571][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.838571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.838571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.838571][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.838571][ T10] netlink_unicast+0x449/0x710 [ 2588.838571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.838571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.838571][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.838571][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.838571][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.838571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.838571][ T10] [ 2588.840611][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2588.840611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.840611][ T10] ipv6_find_idev+0x102/0x170 [ 2588.840611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.840611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.840611][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.840611][ T10] netlink_unicast+0x449/0x710 [ 2588.840611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.840611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.840611][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.840611][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.840611][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.840611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.840611][ T10] [ 2588.842120][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2588.842120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.842120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.842120][ T10] ipv6_find_idev+0x102/0x170 [ 2588.842120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.842120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.842120][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.842120][ T10] netlink_unicast+0x449/0x710 [ 2588.842120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.842120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.842120][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.842120][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.842120][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.842120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.842120][ T10] [ 2588.843790][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2588.844084][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2588.844084][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.844084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.844084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.844084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.844084][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.844084][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.844084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.844084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.844084][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.844084][ T10] netlink_unicast+0x449/0x710 [ 2588.844084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.844084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.844084][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.844084][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.844084][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.844084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.844084][ T10] [ 2588.846104][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2588.846104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.846104][ T10] ipv6_find_idev+0x102/0x170 [ 2588.846104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.846104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.846104][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.846104][ T10] netlink_unicast+0x449/0x710 [ 2588.846104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.846104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.846104][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.846104][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.846104][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.846104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.846104][ T10] [ 2588.847647][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2588.847647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.847647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.847647][ T10] ipv6_find_idev+0x102/0x170 [ 2588.847647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.847647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.847647][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.847647][ T10] netlink_unicast+0x449/0x710 [ 2588.847647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.847647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.847647][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.847647][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.847647][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.847647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.847647][ T10] [ 2588.849355][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2588.849756][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2588.849756][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.849756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.849756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.849756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.849756][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.849756][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.849756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.849756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.849756][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.849756][ T10] netlink_unicast+0x449/0x710 [ 2588.849756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.849756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.849756][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.849756][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.849756][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.849756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.849756][ T10] [ 2588.851771][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2588.851771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.851771][ T10] ipv6_find_idev+0x102/0x170 [ 2588.851771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.851771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.851771][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.851771][ T10] netlink_unicast+0x449/0x710 [ 2588.851771][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.851771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.851771][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.851771][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.851771][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.851771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.851771][ T10] [ 2588.853315][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2588.853315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.853315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.853315][ T10] ipv6_find_idev+0x102/0x170 [ 2588.853315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.853315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.853315][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.853315][ T10] netlink_unicast+0x449/0x710 [ 2588.853315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.853315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.853315][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.853315][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.853315][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.853315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.853315][ T10] [ 2588.855008][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2588.855274][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2588.855274][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.855274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.855274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.855274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.855274][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.855274][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.855274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.855274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.855274][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.855274][ T10] netlink_unicast+0x449/0x710 [ 2588.855274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.855274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.855274][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.855274][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.855274][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.855274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.855274][ T10] [ 2588.857303][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2588.857303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.857303][ T10] ipv6_find_idev+0x102/0x170 [ 2588.857303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.857303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.857303][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.857303][ T10] netlink_unicast+0x449/0x710 [ 2588.857303][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.857303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.857303][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.857303][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.857303][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.857303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.857303][ T10] [ 2588.858855][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2588.858855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.858855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.858855][ T10] ipv6_find_idev+0x102/0x170 [ 2588.858855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.858855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.858855][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.858855][ T10] netlink_unicast+0x449/0x710 [ 2588.858855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.858855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.858855][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.858855][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.858855][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.858855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.858855][ T10] [ 2588.860975][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2588.861241][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2588.861241][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.861241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.861241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.861241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.861241][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.861241][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.861241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.861241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.861241][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.861241][ T10] netlink_unicast+0x449/0x710 [ 2588.861241][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.861241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.861241][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.861241][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.861241][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.861241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.861241][ T10] [ 2588.863271][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2588.863271][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.863271][ T10] ipv6_find_idev+0x102/0x170 [ 2588.863271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.863271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.863271][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.863271][ T10] netlink_unicast+0x449/0x710 [ 2588.863271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.863271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.863271][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.863271][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.863271][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.863271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.863271][ T10] [ 2588.864770][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2588.864770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.864770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.864770][ T10] ipv6_find_idev+0x102/0x170 [ 2588.864770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.864770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.864770][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.864770][ T10] netlink_unicast+0x449/0x710 [ 2588.864770][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.864770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.864770][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.864770][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.864770][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.864770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.864770][ T10] [ 2588.866466][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2588.866730][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2588.866730][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.866730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.866730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.866730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.866730][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.866730][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.866730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.866730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.866730][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.866730][ T10] netlink_unicast+0x449/0x710 [ 2588.866730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.866730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.866730][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.866730][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.866730][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.866730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.866730][ T10] [ 2588.868857][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2588.868857][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.868857][ T10] ipv6_find_idev+0x102/0x170 [ 2588.868857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.868857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.868857][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.868857][ T10] netlink_unicast+0x449/0x710 [ 2588.868857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.868857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.868857][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.868857][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.868857][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.868857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.868857][ T10] [ 2588.870649][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2588.870649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.870649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.870649][ T10] ipv6_find_idev+0x102/0x170 [ 2588.870649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.870649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.870649][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.870649][ T10] netlink_unicast+0x449/0x710 [ 2588.870649][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.870649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.870649][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.870649][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.870649][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.870649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.870649][ T10] [ 2588.872595][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2588.872912][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2588.872912][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.872912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.872912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.872912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.872912][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.872912][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.872912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.872912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.872912][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.872912][ T10] netlink_unicast+0x449/0x710 [ 2588.872912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.872912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.872912][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.872912][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.872912][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.872912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.872912][ T10] [ 2588.875095][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2588.875095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.875095][ T10] ipv6_find_idev+0x102/0x170 [ 2588.875095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.875095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.875095][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.875095][ T10] netlink_unicast+0x449/0x710 [ 2588.875095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.875095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.875095][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.875095][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.875095][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.875095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.875095][ T10] [ 2588.876803][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2588.876803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.876803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.876803][ T10] ipv6_find_idev+0x102/0x170 [ 2588.876803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.876803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.876803][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.876803][ T10] netlink_unicast+0x449/0x710 [ 2588.876803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.876803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.876803][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.876803][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.876803][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.876803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.876803][ T10] [ 2588.878735][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2588.879053][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2588.879053][ T10] netdev_get_by_index+0x5e/0x80 [ 2588.879053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2588.879053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2588.879053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2588.879053][ T10] ipv6_add_addr+0x411/0x2000 [ 2588.879053][ T10] inet6_addr_add+0x30e/0xa40 [ 2588.879053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.879053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.879053][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.879053][ T10] netlink_unicast+0x449/0x710 [ 2588.879053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.879053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.879053][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.879053][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.879053][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.879053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.879053][ T10] [ 2588.881331][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2588.881331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2588.881331][ T10] ipv6_find_idev+0x102/0x170 [ 2588.881331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.881331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.881331][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.881331][ T10] netlink_unicast+0x449/0x710 [ 2588.881331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.881331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.881331][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.881331][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.881331][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.881331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.881331][ T10] [ 2588.883054][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2588.883054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2588.883054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2588.883054][ T10] ipv6_find_idev+0x102/0x170 [ 2588.883054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.883054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.883054][ T10] netlink_rcv_skb+0x130/0x360 [ 2588.883054][ T10] netlink_unicast+0x449/0x710 [ 2588.883054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2588.883054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2588.883054][ T10] ___sys_sendmsg+0xee/0x170 [ 2588.883054][ T10] __sys_sendmsg+0xcd/0x170 [ 2588.883054][ T10] do_syscall_64+0xc6/0x1e0 [ 2588.883054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.883054][ T10] [ 2599.133961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2599.134653][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2599.134653][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.134653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.134653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.134653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.134653][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.134653][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.134653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.134653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.134653][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.134653][ T10] netlink_unicast+0x449/0x710 [ 2599.134653][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.134653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.134653][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.134653][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.134653][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.134653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.134653][ T10] [ 2599.136578][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2599.136578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.136578][ T10] ipv6_find_idev+0x102/0x170 [ 2599.136578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.136578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.136578][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.136578][ T10] netlink_unicast+0x449/0x710 [ 2599.136578][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.136578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.136578][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.136578][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.136578][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.136578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.136578][ T10] [ 2599.138126][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2599.138126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.138126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.138126][ T10] ipv6_find_idev+0x102/0x170 [ 2599.138126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.138126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.138126][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.138126][ T10] netlink_unicast+0x449/0x710 [ 2599.138126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.138126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.138126][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.138126][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.138126][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.138126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.138126][ T10] [ 2599.139888][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2599.140165][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2599.140165][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.140165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.140165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.140165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.140165][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.140165][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.140165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.140165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.140165][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.140165][ T10] netlink_unicast+0x449/0x710 [ 2599.140165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.140165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.140165][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.140165][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.140165][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.140165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.140165][ T10] [ 2599.142149][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2599.142149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.142149][ T10] ipv6_find_idev+0x102/0x170 [ 2599.142149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.142149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.142149][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.142149][ T10] netlink_unicast+0x449/0x710 [ 2599.142149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.142149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.142149][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.142149][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.142149][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.142149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.142149][ T10] [ 2599.143699][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2599.143699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.143699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.143699][ T10] ipv6_find_idev+0x102/0x170 [ 2599.143699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.143699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.143699][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.143699][ T10] netlink_unicast+0x449/0x710 [ 2599.143699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.143699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.143699][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.143699][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.143699][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.143699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.143699][ T10] [ 2599.145956][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2599.146242][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2599.146242][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.146242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.146242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.146242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.146242][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.146242][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.146242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.146242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.146242][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.146242][ T10] netlink_unicast+0x449/0x710 [ 2599.146242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.146242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.146242][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.146242][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.146242][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.146242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.146242][ T10] [ 2599.148278][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2599.148278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.148278][ T10] ipv6_find_idev+0x102/0x170 [ 2599.148278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.148278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.148278][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.148278][ T10] netlink_unicast+0x449/0x710 [ 2599.148278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.148278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.148278][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.148278][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.148278][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.148278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.148278][ T10] [ 2599.149826][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2599.149826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.149826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.149826][ T10] ipv6_find_idev+0x102/0x170 [ 2599.149826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.149826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.149826][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.149826][ T10] netlink_unicast+0x449/0x710 [ 2599.149826][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.149826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.149826][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.149826][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.149826][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.149826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.149826][ T10] [ 2599.151512][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2599.151778][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2599.151778][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.151778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.151778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.151778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.151778][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.151778][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.151778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.151778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.151778][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.151778][ T10] netlink_unicast+0x449/0x710 [ 2599.151778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.151778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.151778][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.151778][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.151778][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.151778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.151778][ T10] [ 2599.153722][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2599.153722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.153722][ T10] ipv6_find_idev+0x102/0x170 [ 2599.153722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.153722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.153722][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.153722][ T10] netlink_unicast+0x449/0x710 [ 2599.153722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.153722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.153722][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.153722][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.153722][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.153722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.153722][ T10] [ 2599.155263][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2599.155263][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.155263][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.155263][ T10] ipv6_find_idev+0x102/0x170 [ 2599.155263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.155263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.155263][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.155263][ T10] netlink_unicast+0x449/0x710 [ 2599.155263][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.155263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.155263][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.155263][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.155263][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.155263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.155263][ T10] [ 2599.157739][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2599.158344][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2599.158344][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.158344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.158344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.158344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.158344][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.158344][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.158344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.158344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.158344][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.158344][ T10] netlink_unicast+0x449/0x710 [ 2599.158344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.158344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.158344][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.158344][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.158344][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.158344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.158344][ T10] [ 2599.160354][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2599.160354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.160354][ T10] ipv6_find_idev+0x102/0x170 [ 2599.160354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.160354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.160354][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.160354][ T10] netlink_unicast+0x449/0x710 [ 2599.160354][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.160354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.160354][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.160354][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.160354][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.160354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.160354][ T10] [ 2599.161901][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2599.161901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.161901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.161901][ T10] ipv6_find_idev+0x102/0x170 [ 2599.161901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.161901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.161901][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.161901][ T10] netlink_unicast+0x449/0x710 [ 2599.161901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.161901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.161901][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.161901][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.161901][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.161901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.161901][ T10] [ 2599.163587][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2599.163940][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2599.163940][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.163940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.163940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.163940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.163940][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.163940][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.163940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.163940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.163940][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.163940][ T10] netlink_unicast+0x449/0x710 [ 2599.163940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.163940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.163940][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.163940][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.163940][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.163940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.163940][ T10] [ 2599.165947][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2599.165947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.165947][ T10] ipv6_find_idev+0x102/0x170 [ 2599.165947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.165947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.165947][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.165947][ T10] netlink_unicast+0x449/0x710 [ 2599.165947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.165947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.165947][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.165947][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.165947][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.165947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.165947][ T10] [ 2599.167557][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2599.167557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.167557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.167557][ T10] ipv6_find_idev+0x102/0x170 [ 2599.167557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.167557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.167557][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.167557][ T10] netlink_unicast+0x449/0x710 [ 2599.167557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.167557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.167557][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.167557][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.167557][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.167557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.167557][ T10] [ 2599.169463][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2599.169783][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2599.169783][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.169783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.169783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.169783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.169783][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.169783][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.169783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.169783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.169783][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.169783][ T10] netlink_unicast+0x449/0x710 [ 2599.169783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.169783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.169783][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.169783][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.169783][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.169783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.169783][ T10] [ 2599.172024][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2599.172024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.172024][ T10] ipv6_find_idev+0x102/0x170 [ 2599.172024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.172024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.172024][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.172024][ T10] netlink_unicast+0x449/0x710 [ 2599.172024][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.172024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.172024][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.172024][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.172024][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.172024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.172024][ T10] [ 2599.173701][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2599.173701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.173701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.173701][ T10] ipv6_find_idev+0x102/0x170 [ 2599.173701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.173701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.173701][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.173701][ T10] netlink_unicast+0x449/0x710 [ 2599.173701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.173701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.173701][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.173701][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.173701][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.173701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.173701][ T10] [ 2599.176041][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2599.176360][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2599.176360][ T10] netdev_get_by_index+0x5e/0x80 [ 2599.176360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2599.176360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2599.176360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2599.176360][ T10] ipv6_add_addr+0x411/0x2000 [ 2599.176360][ T10] inet6_addr_add+0x30e/0xa40 [ 2599.176360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2599.176360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.176360][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.176360][ T10] netlink_unicast+0x449/0x710 [ 2599.176360][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.176360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.176360][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.176360][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.176360][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.176360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.176360][ T10] [ 2599.178525][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2599.178525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2599.178525][ T10] ipv6_find_idev+0x102/0x170 [ 2599.178525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.178525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.178525][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.178525][ T10] netlink_unicast+0x449/0x710 [ 2599.178525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.178525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.178525][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.178525][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.178525][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.178525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.178525][ T10] [ 2599.180234][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2599.180234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2599.180234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2599.180234][ T10] ipv6_find_idev+0x102/0x170 [ 2599.180234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2599.180234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2599.180234][ T10] netlink_rcv_skb+0x130/0x360 [ 2599.180234][ T10] netlink_unicast+0x449/0x710 [ 2599.180234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2599.180234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2599.180234][ T10] ___sys_sendmsg+0xee/0x170 [ 2599.180234][ T10] __sys_sendmsg+0xcd/0x170 [ 2599.180234][ T10] do_syscall_64+0xc6/0x1e0 [ 2599.180234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2599.180234][ T10] [ 2609.437922][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2609.438442][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2609.438442][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.438442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.438442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.438442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.438442][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.438442][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.438442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.438442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.438442][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.438442][ T10] netlink_unicast+0x449/0x710 [ 2609.438442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.438442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.438442][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.438442][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.438442][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.438442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.438442][ T10] [ 2609.440457][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2609.440457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.440457][ T10] ipv6_find_idev+0x102/0x170 [ 2609.440457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.440457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.440457][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.440457][ T10] netlink_unicast+0x449/0x710 [ 2609.440457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.440457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.440457][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.440457][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.440457][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.440457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.440457][ T10] [ 2609.442004][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2609.442004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.442004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.442004][ T10] ipv6_find_idev+0x102/0x170 [ 2609.442004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.442004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.442004][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.442004][ T10] netlink_unicast+0x449/0x710 [ 2609.442004][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.442004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.442004][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.442004][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.442004][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.442004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.442004][ T10] [ 2609.443659][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2609.443966][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2609.443966][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.443966][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.443966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.443966][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.443966][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.443966][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.443966][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.443966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.443966][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.443966][ T10] netlink_unicast+0x449/0x710 [ 2609.443966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.443966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.443966][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.443966][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.443966][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.443966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.443966][ T10] [ 2609.446107][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2609.446107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.446107][ T10] ipv6_find_idev+0x102/0x170 [ 2609.446107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.446107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.446107][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.446107][ T10] netlink_unicast+0x449/0x710 [ 2609.446107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.446107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.446107][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.446107][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.446107][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.446107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.446107][ T10] [ 2609.447660][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2609.447660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.447660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.447660][ T10] ipv6_find_idev+0x102/0x170 [ 2609.447660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.447660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.447660][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.447660][ T10] netlink_unicast+0x449/0x710 [ 2609.447660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.447660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.447660][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.447660][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.447660][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.447660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.447660][ T10] [ 2609.449741][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2609.450440][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2609.450440][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.450440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.450440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.450440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.450440][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.450440][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.450440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.450440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.450440][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.450440][ T10] netlink_unicast+0x449/0x710 [ 2609.450440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.450440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.450440][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.450440][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.450440][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.450440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.450440][ T10] [ 2609.452440][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2609.452440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.452440][ T10] ipv6_find_idev+0x102/0x170 [ 2609.452440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.452440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.452440][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.452440][ T10] netlink_unicast+0x449/0x710 [ 2609.452440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.452440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.452440][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.452440][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.452440][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.452440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.452440][ T10] [ 2609.453998][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2609.453998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.453998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.453998][ T10] ipv6_find_idev+0x102/0x170 [ 2609.453998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.453998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.453998][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.453998][ T10] netlink_unicast+0x449/0x710 [ 2609.453998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.453998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.453998][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.453998][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.453998][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.453998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.453998][ T10] [ 2609.455741][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2609.456063][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2609.456063][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.456063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.456063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.456063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.456063][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.456063][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.456063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.456063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.456063][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.456063][ T10] netlink_unicast+0x449/0x710 [ 2609.456063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.456063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.456063][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.456063][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.456063][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.456063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.456063][ T10] [ 2609.458059][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2609.458059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.458059][ T10] ipv6_find_idev+0x102/0x170 [ 2609.458059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.458059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.458059][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.458059][ T10] netlink_unicast+0x449/0x710 [ 2609.458059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.458059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.458059][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.458059][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.458059][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.458059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.458059][ T10] [ 2609.459632][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2609.459632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.459632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.459632][ T10] ipv6_find_idev+0x102/0x170 [ 2609.459632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.459632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.459632][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.459632][ T10] netlink_unicast+0x449/0x710 [ 2609.459632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.459632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.459632][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.459632][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.459632][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.459632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.459632][ T10] [ 2609.461366][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2609.461641][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2609.461641][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.461641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.461641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.461641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.461641][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.461641][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.461641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.461641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.461641][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.461641][ T10] netlink_unicast+0x449/0x710 [ 2609.461641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.461641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.461641][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.461641][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.461641][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.461641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.461641][ T10] [ 2609.463611][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2609.463611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.463611][ T10] ipv6_find_idev+0x102/0x170 [ 2609.463611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.463611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.463611][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.463611][ T10] netlink_unicast+0x449/0x710 [ 2609.463611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.463611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.463611][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.463611][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.463611][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.463611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.463611][ T10] [ 2609.465103][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2609.465103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.465103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.465103][ T10] ipv6_find_idev+0x102/0x170 [ 2609.465103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.465103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.465103][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.465103][ T10] netlink_unicast+0x449/0x710 [ 2609.465103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.465103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.465103][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.465103][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.465103][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.465103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.465103][ T10] [ 2609.466816][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2609.467078][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2609.467078][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.467078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.467078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.467078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.467078][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.467078][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.467078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.467078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.467078][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.467078][ T10] netlink_unicast+0x449/0x710 [ 2609.467078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.467078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.467078][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.467078][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.467078][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.467078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.467078][ T10] [ 2609.469101][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2609.469101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.469101][ T10] ipv6_find_idev+0x102/0x170 [ 2609.469101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.469101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.469101][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.469101][ T10] netlink_unicast+0x449/0x710 [ 2609.469101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.469101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.469101][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.469101][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.469101][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.469101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.469101][ T10] [ 2609.470835][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2609.470835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.470835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.470835][ T10] ipv6_find_idev+0x102/0x170 [ 2609.470835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.470835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.470835][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.470835][ T10] netlink_unicast+0x449/0x710 [ 2609.470835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.470835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.470835][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.470835][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.470835][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.470835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.470835][ T10] [ 2609.472726][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2609.473052][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2609.473052][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.473052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.473052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.473052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.473052][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.473052][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.473052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.473052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.473052][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.473052][ T10] netlink_unicast+0x449/0x710 [ 2609.473052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.473052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.473052][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.473052][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.473052][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.473052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.473052][ T10] [ 2609.475181][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2609.475181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.475181][ T10] ipv6_find_idev+0x102/0x170 [ 2609.475181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.475181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.475181][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.475181][ T10] netlink_unicast+0x449/0x710 [ 2609.475181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.475181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.475181][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.475181][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.475181][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.475181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.475181][ T10] [ 2609.476965][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2609.476965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.476965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.476965][ T10] ipv6_find_idev+0x102/0x170 [ 2609.476965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.476965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.476965][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.476965][ T10] netlink_unicast+0x449/0x710 [ 2609.476965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.476965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.476965][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.476965][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.476965][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.476965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.476965][ T10] [ 2609.478934][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2609.479198][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2609.479198][ T10] netdev_get_by_index+0x5e/0x80 [ 2609.479198][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2609.479198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2609.479198][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2609.479198][ T10] ipv6_add_addr+0x411/0x2000 [ 2609.479198][ T10] inet6_addr_add+0x30e/0xa40 [ 2609.479198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2609.479198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.479198][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.479198][ T10] netlink_unicast+0x449/0x710 [ 2609.479198][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.479198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.479198][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.479198][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.479198][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.479198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.479198][ T10] [ 2609.481391][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2609.481391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2609.481391][ T10] ipv6_find_idev+0x102/0x170 [ 2609.481391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.481391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.481391][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.481391][ T10] netlink_unicast+0x449/0x710 [ 2609.481391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.481391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.481391][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.481391][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.481391][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.481391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.481391][ T10] [ 2609.483109][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2609.483109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2609.483109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2609.483109][ T10] ipv6_find_idev+0x102/0x170 [ 2609.483109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2609.483109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2609.483109][ T10] netlink_rcv_skb+0x130/0x360 [ 2609.483109][ T10] netlink_unicast+0x449/0x710 [ 2609.483109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2609.483109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2609.483109][ T10] ___sys_sendmsg+0xee/0x170 [ 2609.483109][ T10] __sys_sendmsg+0xcd/0x170 [ 2609.483109][ T10] do_syscall_64+0xc6/0x1e0 [ 2609.483109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2609.483109][ T10] [ 2619.653973][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2619.654495][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2619.654495][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.654495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.654495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.654495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.654495][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.654495][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.654495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.654495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.654495][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.654495][ T10] netlink_unicast+0x449/0x710 [ 2619.654495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.654495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.654495][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.654495][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.654495][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.654495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.654495][ T10] [ 2619.656455][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2619.656455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.656455][ T10] ipv6_find_idev+0x102/0x170 [ 2619.656455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.656455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.656455][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.656455][ T10] netlink_unicast+0x449/0x710 [ 2619.656455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.656455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.656455][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.656455][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.656455][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.656455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.656455][ T10] [ 2619.657949][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2619.657949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.657949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.657949][ T10] ipv6_find_idev+0x102/0x170 [ 2619.657949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.657949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.657949][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.657949][ T10] netlink_unicast+0x449/0x710 [ 2619.657949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.657949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.657949][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.657949][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.657949][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.657949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.657949][ T10] [ 2619.659665][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2619.659950][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2619.659950][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.659950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.659950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.659950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.659950][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.659950][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.659950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.659950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.659950][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.659950][ T10] netlink_unicast+0x449/0x710 [ 2619.659950][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.659950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.659950][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.659950][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.659950][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.659950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.659950][ T10] [ 2619.661897][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2619.661897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.661897][ T10] ipv6_find_idev+0x102/0x170 [ 2619.661897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.661897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.661897][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.661897][ T10] netlink_unicast+0x449/0x710 [ 2619.661897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.661897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.661897][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.661897][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.661897][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.661897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.661897][ T10] [ 2619.663411][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2619.663411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.663411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.663411][ T10] ipv6_find_idev+0x102/0x170 [ 2619.663411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.663411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.663411][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.663411][ T10] netlink_unicast+0x449/0x710 [ 2619.663411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.663411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.663411][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.663411][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.663411][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.663411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.663411][ T10] [ 2619.665102][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2619.665367][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2619.665367][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.665367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.665367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.665367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.665367][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.665367][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.665367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.665367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.665367][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.665367][ T10] netlink_unicast+0x449/0x710 [ 2619.665367][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.665367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.665367][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.665367][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.665367][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.665367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.665367][ T10] [ 2619.667344][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2619.667344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.667344][ T10] ipv6_find_idev+0x102/0x170 [ 2619.667344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.667344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.667344][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.667344][ T10] netlink_unicast+0x449/0x710 [ 2619.667344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.667344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.667344][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.667344][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.667344][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.667344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.667344][ T10] [ 2619.668874][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2619.668874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.668874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.668874][ T10] ipv6_find_idev+0x102/0x170 [ 2619.668874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.668874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.668874][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.668874][ T10] netlink_unicast+0x449/0x710 [ 2619.668874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.668874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.668874][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.668874][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.668874][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.668874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.668874][ T10] [ 2619.670651][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2619.671350][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2619.671350][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.671350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.671350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.671350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.671350][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.671350][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.671350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.671350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.671350][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.671350][ T10] netlink_unicast+0x449/0x710 [ 2619.671350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.671350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.671350][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.671350][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.671350][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.671350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.671350][ T10] [ 2619.673326][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2619.673326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.673326][ T10] ipv6_find_idev+0x102/0x170 [ 2619.673326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.673326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.673326][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.673326][ T10] netlink_unicast+0x449/0x710 [ 2619.673326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.673326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.673326][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.673326][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.673326][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.673326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.673326][ T10] [ 2619.674870][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2619.674870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.674870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.674870][ T10] ipv6_find_idev+0x102/0x170 [ 2619.674870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.674870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.674870][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.674870][ T10] netlink_unicast+0x449/0x710 [ 2619.674870][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.674870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.674870][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.674870][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.674870][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.674870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.674870][ T10] [ 2619.676580][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2619.676894][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2619.676894][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.676894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.676894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.676894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.676894][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.676894][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.676894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.676894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.676894][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.676894][ T10] netlink_unicast+0x449/0x710 [ 2619.676894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.676894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.676894][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.676894][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.676894][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.676894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.676894][ T10] [ 2619.678873][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2619.678873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.678873][ T10] ipv6_find_idev+0x102/0x170 [ 2619.678873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.678873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.678873][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.678873][ T10] netlink_unicast+0x449/0x710 [ 2619.678873][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.678873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.678873][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.678873][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.678873][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.678873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.678873][ T10] [ 2619.680410][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2619.680410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.680410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.680410][ T10] ipv6_find_idev+0x102/0x170 [ 2619.680410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.680410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.680410][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.680410][ T10] netlink_unicast+0x449/0x710 [ 2619.680410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.680410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.680410][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.680410][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.680410][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.680410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.680410][ T10] [ 2619.682105][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2619.682366][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2619.682366][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.682366][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.682366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.682366][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.682366][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.682366][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.682366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.682366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.682366][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.682366][ T10] netlink_unicast+0x449/0x710 [ 2619.682366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.682366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.682366][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.682366][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.682366][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.682366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.682366][ T10] [ 2619.684398][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2619.684398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.684398][ T10] ipv6_find_idev+0x102/0x170 [ 2619.684398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.684398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.684398][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.684398][ T10] netlink_unicast+0x449/0x710 [ 2619.684398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.684398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.684398][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.684398][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.684398][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.684398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.684398][ T10] [ 2619.686154][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2619.686154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.686154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.686154][ T10] ipv6_find_idev+0x102/0x170 [ 2619.686154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.686154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.686154][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.686154][ T10] netlink_unicast+0x449/0x710 [ 2619.686154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.686154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.686154][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.686154][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.686154][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.686154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.686154][ T10] [ 2619.688081][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2619.688346][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2619.688346][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.688346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.688346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.688346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.688346][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.688346][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.688346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.688346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.688346][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.688346][ T10] netlink_unicast+0x449/0x710 [ 2619.688346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.688346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.688346][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.688346][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.688346][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.688346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.688346][ T10] [ 2619.690496][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2619.690496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.690496][ T10] ipv6_find_idev+0x102/0x170 [ 2619.690496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.690496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.690496][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.690496][ T10] netlink_unicast+0x449/0x710 [ 2619.690496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.690496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.690496][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.690496][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.690496][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.690496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.690496][ T10] [ 2619.692191][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2619.692191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.692191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.692191][ T10] ipv6_find_idev+0x102/0x170 [ 2619.692191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.692191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.692191][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.692191][ T10] netlink_unicast+0x449/0x710 [ 2619.692191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.692191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.692191][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.692191][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.692191][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.692191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.692191][ T10] [ 2619.694073][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2619.694379][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2619.694379][ T10] netdev_get_by_index+0x5e/0x80 [ 2619.694379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2619.694379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2619.694379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2619.694379][ T10] ipv6_add_addr+0x411/0x2000 [ 2619.694379][ T10] inet6_addr_add+0x30e/0xa40 [ 2619.694379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2619.694379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.694379][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.694379][ T10] netlink_unicast+0x449/0x710 [ 2619.694379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.694379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.694379][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.694379][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.694379][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.694379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.694379][ T10] [ 2619.696584][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2619.696584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2619.696584][ T10] ipv6_find_idev+0x102/0x170 [ 2619.696584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.696584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.696584][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.696584][ T10] netlink_unicast+0x449/0x710 [ 2619.696584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.696584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.696584][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.696584][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.696584][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.696584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.696584][ T10] [ 2619.698796][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2619.698796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2619.698796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2619.698796][ T10] ipv6_find_idev+0x102/0x170 [ 2619.698796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2619.698796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2619.698796][ T10] netlink_rcv_skb+0x130/0x360 [ 2619.698796][ T10] netlink_unicast+0x449/0x710 [ 2619.698796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2619.698796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2619.698796][ T10] ___sys_sendmsg+0xee/0x170 [ 2619.698796][ T10] __sys_sendmsg+0xcd/0x170 [ 2619.698796][ T10] do_syscall_64+0xc6/0x1e0 [ 2619.698796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2619.698796][ T10] [ 2629.941989][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2629.942558][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2629.942558][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.942558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.942558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.942558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.942558][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.942558][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.942558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.942558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.942558][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.942558][ T10] netlink_unicast+0x449/0x710 [ 2629.942558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.942558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.942558][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.942558][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.942558][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.942558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.942558][ T10] [ 2629.944550][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2629.944550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.944550][ T10] ipv6_find_idev+0x102/0x170 [ 2629.944550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.944550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.944550][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.944550][ T10] netlink_unicast+0x449/0x710 [ 2629.944550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.944550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.944550][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.944550][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.944550][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.944550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.944550][ T10] [ 2629.946035][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2629.946035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.946035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.946035][ T10] ipv6_find_idev+0x102/0x170 [ 2629.946035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.946035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.946035][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.946035][ T10] netlink_unicast+0x449/0x710 [ 2629.946035][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.946035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.946035][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.946035][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.946035][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.946035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.946035][ T10] [ 2629.947719][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2629.948029][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2629.948029][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.948029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.948029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.948029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.948029][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.948029][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.948029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.948029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.948029][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.948029][ T10] netlink_unicast+0x449/0x710 [ 2629.948029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.948029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.948029][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.948029][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.948029][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.948029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.948029][ T10] [ 2629.950044][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2629.950044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.950044][ T10] ipv6_find_idev+0x102/0x170 [ 2629.950044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.950044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.950044][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.950044][ T10] netlink_unicast+0x449/0x710 [ 2629.950044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.950044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.950044][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.950044][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.950044][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.950044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.950044][ T10] [ 2629.951560][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2629.951560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.951560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.951560][ T10] ipv6_find_idev+0x102/0x170 [ 2629.951560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.951560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.951560][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.951560][ T10] netlink_unicast+0x449/0x710 [ 2629.951560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.951560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.951560][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.951560][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.951560][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.951560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.951560][ T10] [ 2629.953322][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2629.953591][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2629.953591][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.953591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.953591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.953591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.953591][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.953591][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.953591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.953591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.953591][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.953591][ T10] netlink_unicast+0x449/0x710 [ 2629.953591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.953591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.953591][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.953591][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.953591][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.953591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.953591][ T10] [ 2629.955566][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2629.955566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.955566][ T10] ipv6_find_idev+0x102/0x170 [ 2629.955566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.955566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.955566][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.955566][ T10] netlink_unicast+0x449/0x710 [ 2629.955566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.955566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.955566][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.955566][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.955566][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.955566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.955566][ T10] [ 2629.957047][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2629.957047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.957047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.957047][ T10] ipv6_find_idev+0x102/0x170 [ 2629.957047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.957047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.957047][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.957047][ T10] netlink_unicast+0x449/0x710 [ 2629.957047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.957047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.957047][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.957047][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.957047][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.957047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.957047][ T10] [ 2629.958665][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2629.959006][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2629.959006][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.959006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.959006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.959006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.959006][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.959006][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.959006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.959006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.959006][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.959006][ T10] netlink_unicast+0x449/0x710 [ 2629.959006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.959006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.959006][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.959006][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.959006][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.959006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.959006][ T10] [ 2629.960991][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2629.960991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.960991][ T10] ipv6_find_idev+0x102/0x170 [ 2629.960991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.960991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.960991][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.960991][ T10] netlink_unicast+0x449/0x710 [ 2629.960991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.960991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.960991][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.960991][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.960991][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.960991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.960991][ T10] [ 2629.962508][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2629.962508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.962508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.962508][ T10] ipv6_find_idev+0x102/0x170 [ 2629.962508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.962508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.962508][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.962508][ T10] netlink_unicast+0x449/0x710 [ 2629.962508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.962508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.962508][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.962508][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.962508][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.962508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.962508][ T10] [ 2629.964204][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2629.964463][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2629.964463][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.964463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.964463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.964463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.964463][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.964463][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.964463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.964463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.964463][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.964463][ T10] netlink_unicast+0x449/0x710 [ 2629.964463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.964463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.964463][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.964463][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.964463][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.964463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.964463][ T10] [ 2629.966439][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2629.966439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.966439][ T10] ipv6_find_idev+0x102/0x170 [ 2629.966439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.966439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.966439][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.966439][ T10] netlink_unicast+0x449/0x710 [ 2629.966439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.966439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.966439][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.966439][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.966439][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.966439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.966439][ T10] [ 2629.967955][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2629.967955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.967955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.967955][ T10] ipv6_find_idev+0x102/0x170 [ 2629.967955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.967955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.967955][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.967955][ T10] netlink_unicast+0x449/0x710 [ 2629.967955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.967955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.967955][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.967955][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.967955][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.967955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.967955][ T10] [ 2629.969897][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2629.970204][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2629.970204][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.970204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.970204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.970204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.970204][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.970204][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.970204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.970204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.970204][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.970204][ T10] netlink_unicast+0x449/0x710 [ 2629.970204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.970204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.970204][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.970204][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.970204][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.970204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.970204][ T10] [ 2629.972423][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2629.972423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.972423][ T10] ipv6_find_idev+0x102/0x170 [ 2629.972423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.972423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.972423][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.972423][ T10] netlink_unicast+0x449/0x710 [ 2629.972423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.972423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.972423][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.972423][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.972423][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.972423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.972423][ T10] [ 2629.974122][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2629.974122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.974122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.974122][ T10] ipv6_find_idev+0x102/0x170 [ 2629.974122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.974122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.974122][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.974122][ T10] netlink_unicast+0x449/0x710 [ 2629.974122][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.974122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.974122][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.974122][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.974122][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.974122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.974122][ T10] [ 2629.976002][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2629.976265][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2629.976265][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.976265][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.976265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.976265][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.976265][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.976265][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.976265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.976265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.976265][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.976265][ T10] netlink_unicast+0x449/0x710 [ 2629.976265][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.976265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.976265][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.976265][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.976265][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.976265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.976265][ T10] [ 2629.978353][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2629.978353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.978353][ T10] ipv6_find_idev+0x102/0x170 [ 2629.978353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.978353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.978353][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.978353][ T10] netlink_unicast+0x449/0x710 [ 2629.978353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.978353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.978353][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.978353][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.978353][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.978353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.978353][ T10] [ 2629.980057][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2629.980057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.980057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.980057][ T10] ipv6_find_idev+0x102/0x170 [ 2629.980057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.980057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.980057][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.980057][ T10] netlink_unicast+0x449/0x710 [ 2629.980057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.980057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.980057][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.980057][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.980057][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.980057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.980057][ T10] [ 2629.982054][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2629.982312][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2629.982312][ T10] netdev_get_by_index+0x5e/0x80 [ 2629.982312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2629.982312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2629.982312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2629.982312][ T10] ipv6_add_addr+0x411/0x2000 [ 2629.982312][ T10] inet6_addr_add+0x30e/0xa40 [ 2629.982312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.982312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.982312][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.982312][ T10] netlink_unicast+0x449/0x710 [ 2629.982312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.982312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.982312][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.982312][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.982312][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.982312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.982312][ T10] [ 2629.984455][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2629.984455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2629.984455][ T10] ipv6_find_idev+0x102/0x170 [ 2629.984455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.984455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.984455][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.984455][ T10] netlink_unicast+0x449/0x710 [ 2629.984455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.984455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.984455][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.984455][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.984455][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.984455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.984455][ T10] [ 2629.986131][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2629.986131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2629.986131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2629.986131][ T10] ipv6_find_idev+0x102/0x170 [ 2629.986131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.986131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.986131][ T10] netlink_rcv_skb+0x130/0x360 [ 2629.986131][ T10] netlink_unicast+0x449/0x710 [ 2629.986131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2629.986131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2629.986131][ T10] ___sys_sendmsg+0xee/0x170 [ 2629.986131][ T10] __sys_sendmsg+0xcd/0x170 [ 2629.986131][ T10] do_syscall_64+0xc6/0x1e0 [ 2629.986131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.986131][ T10] [ 2640.229991][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2640.230551][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2640.230551][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.230551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.230551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.230551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.230551][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.230551][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.230551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.230551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.230551][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.230551][ T10] netlink_unicast+0x449/0x710 [ 2640.230551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.230551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.230551][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.230551][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.230551][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.230551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.230551][ T10] [ 2640.232567][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2640.232567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.232567][ T10] ipv6_find_idev+0x102/0x170 [ 2640.232567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.232567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.232567][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.232567][ T10] netlink_unicast+0x449/0x710 [ 2640.232567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.232567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.232567][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.232567][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.232567][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.232567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.232567][ T10] [ 2640.234079][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2640.234079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.234079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.234079][ T10] ipv6_find_idev+0x102/0x170 [ 2640.234079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.234079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.234079][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.234079][ T10] netlink_unicast+0x449/0x710 [ 2640.234079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.234079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.234079][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.234079][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.234079][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.234079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.234079][ T10] [ 2640.235733][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2640.236031][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2640.236031][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.236031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.236031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.236031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.236031][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.236031][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.236031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.236031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.236031][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.236031][ T10] netlink_unicast+0x449/0x710 [ 2640.236031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.236031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.236031][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.236031][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.236031][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.236031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.236031][ T10] [ 2640.238014][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2640.238014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.238014][ T10] ipv6_find_idev+0x102/0x170 [ 2640.238014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.238014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.238014][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.238014][ T10] netlink_unicast+0x449/0x710 [ 2640.238014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.238014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.238014][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.238014][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.238014][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.238014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.238014][ T10] [ 2640.239544][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2640.239544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.239544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.239544][ T10] ipv6_find_idev+0x102/0x170 [ 2640.239544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.239544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.239544][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.239544][ T10] netlink_unicast+0x449/0x710 [ 2640.239544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.239544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.239544][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.239544][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.239544][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.239544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.239544][ T10] [ 2640.241260][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2640.241527][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2640.241527][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.241527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.241527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.241527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.241527][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.241527][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.241527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.241527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.241527][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.241527][ T10] netlink_unicast+0x449/0x710 [ 2640.241527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.241527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.241527][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.241527][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.241527][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.241527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.241527][ T10] [ 2640.243502][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2640.243502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.243502][ T10] ipv6_find_idev+0x102/0x170 [ 2640.243502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.243502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.243502][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.243502][ T10] netlink_unicast+0x449/0x710 [ 2640.243502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.243502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.243502][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.243502][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.243502][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.243502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.243502][ T10] [ 2640.245008][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2640.245008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.245008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.245008][ T10] ipv6_find_idev+0x102/0x170 [ 2640.245008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.245008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.245008][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.245008][ T10] netlink_unicast+0x449/0x710 [ 2640.245008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.245008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.245008][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.245008][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.245008][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.245008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.245008][ T10] [ 2640.246641][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2640.246982][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2640.246982][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.246982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.246982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.246982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.246982][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.246982][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.246982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.246982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.246982][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.246982][ T10] netlink_unicast+0x449/0x710 [ 2640.246982][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.246982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.246982][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.246982][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.246982][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.246982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.246982][ T10] [ 2640.248930][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2640.248930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.248930][ T10] ipv6_find_idev+0x102/0x170 [ 2640.248930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.248930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.248930][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.248930][ T10] netlink_unicast+0x449/0x710 [ 2640.248930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.248930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.248930][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.248930][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.248930][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.248930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.248930][ T10] [ 2640.250425][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2640.250425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.250425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.250425][ T10] ipv6_find_idev+0x102/0x170 [ 2640.250425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.250425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.250425][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.250425][ T10] netlink_unicast+0x449/0x710 [ 2640.250425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.250425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.250425][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.250425][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.250425][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.250425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.250425][ T10] [ 2640.252102][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2640.252360][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2640.252360][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.252360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.252360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.252360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.252360][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.252360][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.252360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.252360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.252360][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.252360][ T10] netlink_unicast+0x449/0x710 [ 2640.252360][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.252360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.252360][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.252360][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.252360][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.252360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.252360][ T10] [ 2640.254310][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2640.254310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.254310][ T10] ipv6_find_idev+0x102/0x170 [ 2640.254310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.254310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.254310][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.254310][ T10] netlink_unicast+0x449/0x710 [ 2640.254310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.254310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.254310][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.254310][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.254310][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.254310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.254310][ T10] [ 2640.255844][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2640.255844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.255844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.255844][ T10] ipv6_find_idev+0x102/0x170 [ 2640.255844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.255844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.255844][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.255844][ T10] netlink_unicast+0x449/0x710 [ 2640.255844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.255844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.255844][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.255844][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.255844][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.255844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.255844][ T10] [ 2640.257761][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2640.258073][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2640.258073][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.258073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.258073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.258073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.258073][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.258073][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.258073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.258073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.258073][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.258073][ T10] netlink_unicast+0x449/0x710 [ 2640.258073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.258073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.258073][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.258073][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.258073][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.258073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.258073][ T10] [ 2640.260304][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2640.260304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.260304][ T10] ipv6_find_idev+0x102/0x170 [ 2640.260304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.260304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.260304][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.260304][ T10] netlink_unicast+0x449/0x710 [ 2640.260304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.260304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.260304][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.260304][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.260304][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.260304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.260304][ T10] [ 2640.262022][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2640.262022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.262022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.262022][ T10] ipv6_find_idev+0x102/0x170 [ 2640.262022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.262022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.262022][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.262022][ T10] netlink_unicast+0x449/0x710 [ 2640.262022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.262022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.262022][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.262022][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.262022][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.262022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.262022][ T10] [ 2640.263919][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2640.264177][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2640.264177][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.264177][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.264177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.264177][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.264177][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.264177][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.264177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.264177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.264177][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.264177][ T10] netlink_unicast+0x449/0x710 [ 2640.264177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.264177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.264177][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.264177][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.264177][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.264177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.264177][ T10] [ 2640.266341][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2640.266341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.266341][ T10] ipv6_find_idev+0x102/0x170 [ 2640.266341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.266341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.266341][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.266341][ T10] netlink_unicast+0x449/0x710 [ 2640.266341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.266341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.266341][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.266341][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.266341][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.266341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.266341][ T10] [ 2640.268043][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2640.268043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.268043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.268043][ T10] ipv6_find_idev+0x102/0x170 [ 2640.268043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.268043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.268043][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.268043][ T10] netlink_unicast+0x449/0x710 [ 2640.268043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.268043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.268043][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.268043][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.268043][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.268043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.268043][ T10] [ 2640.270052][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2640.270314][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2640.270314][ T10] netdev_get_by_index+0x5e/0x80 [ 2640.270314][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2640.270314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2640.270314][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2640.270314][ T10] ipv6_add_addr+0x411/0x2000 [ 2640.270314][ T10] inet6_addr_add+0x30e/0xa40 [ 2640.270314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2640.270314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.270314][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.270314][ T10] netlink_unicast+0x449/0x710 [ 2640.270314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.270314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.270314][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.270314][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.270314][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.270314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.270314][ T10] [ 2640.272466][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2640.272466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2640.272466][ T10] ipv6_find_idev+0x102/0x170 [ 2640.272466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.272466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.272466][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.272466][ T10] netlink_unicast+0x449/0x710 [ 2640.272466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.272466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.272466][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.272466][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.272466][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.272466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.272466][ T10] [ 2640.274171][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2640.274171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2640.274171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2640.274171][ T10] ipv6_find_idev+0x102/0x170 [ 2640.274171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2640.274171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2640.274171][ T10] netlink_rcv_skb+0x130/0x360 [ 2640.274171][ T10] netlink_unicast+0x449/0x710 [ 2640.274171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2640.274171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2640.274171][ T10] ___sys_sendmsg+0xee/0x170 [ 2640.274171][ T10] __sys_sendmsg+0xcd/0x170 [ 2640.274171][ T10] do_syscall_64+0xc6/0x1e0 [ 2640.274171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2640.274171][ T10] [ 2650.517963][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2650.518534][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2650.518534][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.518534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.518534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.518534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.518534][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.518534][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.518534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.518534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.518534][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.518534][ T10] netlink_unicast+0x449/0x710 [ 2650.518534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.518534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.518534][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.518534][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.518534][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.518534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.518534][ T10] [ 2650.520576][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2650.520576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.520576][ T10] ipv6_find_idev+0x102/0x170 [ 2650.520576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.520576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.520576][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.520576][ T10] netlink_unicast+0x449/0x710 [ 2650.520576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.520576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.520576][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.520576][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.520576][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.520576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.520576][ T10] [ 2650.522103][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2650.522103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.522103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.522103][ T10] ipv6_find_idev+0x102/0x170 [ 2650.522103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.522103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.522103][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.522103][ T10] netlink_unicast+0x449/0x710 [ 2650.522103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.522103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.522103][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.522103][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.522103][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.522103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.522103][ T10] [ 2650.523884][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2650.524152][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2650.524152][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.524152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.524152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.524152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.524152][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.524152][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.524152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.524152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.524152][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.524152][ T10] netlink_unicast+0x449/0x710 [ 2650.524152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.524152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.524152][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.524152][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.524152][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.524152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.524152][ T10] [ 2650.526162][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2650.526162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.526162][ T10] ipv6_find_idev+0x102/0x170 [ 2650.526162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.526162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.526162][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.526162][ T10] netlink_unicast+0x449/0x710 [ 2650.526162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.526162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.526162][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.526162][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.526162][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.526162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.526162][ T10] [ 2650.527674][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2650.527674][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.527674][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.527674][ T10] ipv6_find_idev+0x102/0x170 [ 2650.527674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.527674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.527674][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.527674][ T10] netlink_unicast+0x449/0x710 [ 2650.527674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.527674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.527674][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.527674][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.527674][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.527674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.527674][ T10] [ 2650.529349][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2650.529620][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2650.529620][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.529620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.529620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.529620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.529620][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.529620][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.529620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.529620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.529620][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.529620][ T10] netlink_unicast+0x449/0x710 [ 2650.529620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.529620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.529620][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.529620][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.529620][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.529620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.529620][ T10] [ 2650.531588][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2650.531588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.531588][ T10] ipv6_find_idev+0x102/0x170 [ 2650.531588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.531588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.531588][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.531588][ T10] netlink_unicast+0x449/0x710 [ 2650.531588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.531588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.531588][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.531588][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.531588][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.531588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.531588][ T10] [ 2650.533115][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2650.533115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.533115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.533115][ T10] ipv6_find_idev+0x102/0x170 [ 2650.533115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.533115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.533115][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.533115][ T10] netlink_unicast+0x449/0x710 [ 2650.533115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.533115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.533115][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.533115][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.533115][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.533115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.533115][ T10] [ 2650.534732][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2650.535440][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2650.535440][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.535440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.535440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.535440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.535440][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.535440][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.535440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.535440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.535440][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.535440][ T10] netlink_unicast+0x449/0x710 [ 2650.535440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.535440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.535440][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.535440][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.535440][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.535440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.535440][ T10] [ 2650.537391][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2650.537391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.537391][ T10] ipv6_find_idev+0x102/0x170 [ 2650.537391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.537391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.537391][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.537391][ T10] netlink_unicast+0x449/0x710 [ 2650.537391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.537391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.537391][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.537391][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.537391][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.537391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.537391][ T10] [ 2650.538883][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2650.538883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.538883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.538883][ T10] ipv6_find_idev+0x102/0x170 [ 2650.538883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.538883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.538883][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.538883][ T10] netlink_unicast+0x449/0x710 [ 2650.538883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.538883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.538883][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.538883][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.538883][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.538883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.538883][ T10] [ 2650.540597][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2650.540909][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2650.540909][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.540909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.540909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.540909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.540909][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.540909][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.540909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.540909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.540909][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.540909][ T10] netlink_unicast+0x449/0x710 [ 2650.540909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.540909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.540909][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.540909][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.540909][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.540909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.540909][ T10] [ 2650.542886][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2650.542886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.542886][ T10] ipv6_find_idev+0x102/0x170 [ 2650.542886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.542886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.542886][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.542886][ T10] netlink_unicast+0x449/0x710 [ 2650.542886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.542886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.542886][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.542886][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.542886][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.542886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.542886][ T10] [ 2650.544402][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2650.544402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.544402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.544402][ T10] ipv6_find_idev+0x102/0x170 [ 2650.544402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.544402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.544402][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.544402][ T10] netlink_unicast+0x449/0x710 [ 2650.544402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.544402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.544402][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.544402][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.544402][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.544402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.544402][ T10] [ 2650.546103][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2650.546363][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2650.546363][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.546363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.546363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.546363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.546363][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.546363][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.546363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.546363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.546363][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.546363][ T10] netlink_unicast+0x449/0x710 [ 2650.546363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.546363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.546363][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.546363][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.546363][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.546363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.546363][ T10] [ 2650.548400][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2650.548400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.548400][ T10] ipv6_find_idev+0x102/0x170 [ 2650.548400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.548400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.548400][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.548400][ T10] netlink_unicast+0x449/0x710 [ 2650.548400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.548400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.548400][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.548400][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.548400][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.548400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.548400][ T10] [ 2650.550168][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2650.550168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.550168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.550168][ T10] ipv6_find_idev+0x102/0x170 [ 2650.550168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.550168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.550168][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.550168][ T10] netlink_unicast+0x449/0x710 [ 2650.550168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.550168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.550168][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.550168][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.550168][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.550168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.550168][ T10] [ 2650.552053][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2650.552311][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2650.552311][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.552311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.552311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.552311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.552311][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.552311][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.552311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.552311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.552311][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.552311][ T10] netlink_unicast+0x449/0x710 [ 2650.552311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.552311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.552311][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.552311][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.552311][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.552311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.552311][ T10] [ 2650.554463][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2650.554463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.554463][ T10] ipv6_find_idev+0x102/0x170 [ 2650.554463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.554463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.554463][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.554463][ T10] netlink_unicast+0x449/0x710 [ 2650.554463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.554463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.554463][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.554463][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.554463][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.554463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.554463][ T10] [ 2650.556160][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2650.556160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.556160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.556160][ T10] ipv6_find_idev+0x102/0x170 [ 2650.556160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.556160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.556160][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.556160][ T10] netlink_unicast+0x449/0x710 [ 2650.556160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.556160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.556160][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.556160][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.556160][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.556160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.556160][ T10] [ 2650.558063][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2650.558369][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2650.558369][ T10] netdev_get_by_index+0x5e/0x80 [ 2650.558369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2650.558369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2650.558369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2650.558369][ T10] ipv6_add_addr+0x411/0x2000 [ 2650.558369][ T10] inet6_addr_add+0x30e/0xa40 [ 2650.558369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2650.558369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.558369][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.558369][ T10] netlink_unicast+0x449/0x710 [ 2650.558369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.558369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.558369][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.558369][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.558369][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.558369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.558369][ T10] [ 2650.560626][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2650.560626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2650.560626][ T10] ipv6_find_idev+0x102/0x170 [ 2650.560626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.560626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.560626][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.560626][ T10] netlink_unicast+0x449/0x710 [ 2650.560626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.560626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.560626][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.560626][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.560626][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.560626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.560626][ T10] [ 2650.562324][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2650.562324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2650.562324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2650.562324][ T10] ipv6_find_idev+0x102/0x170 [ 2650.562324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2650.562324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2650.562324][ T10] netlink_rcv_skb+0x130/0x360 [ 2650.562324][ T10] netlink_unicast+0x449/0x710 [ 2650.562324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2650.562324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2650.562324][ T10] ___sys_sendmsg+0xee/0x170 [ 2650.562324][ T10] __sys_sendmsg+0xcd/0x170 [ 2650.562324][ T10] do_syscall_64+0xc6/0x1e0 [ 2650.562324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2650.562324][ T10] [ 2660.805972][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2660.806419][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2660.806419][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.806419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.806419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.806419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.806419][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.806419][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.806419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.806419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.806419][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.806419][ T10] netlink_unicast+0x449/0x710 [ 2660.806419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.806419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.806419][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.806419][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.806419][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.806419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.806419][ T10] [ 2660.808446][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2660.808446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.808446][ T10] ipv6_find_idev+0x102/0x170 [ 2660.808446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.808446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.808446][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.808446][ T10] netlink_unicast+0x449/0x710 [ 2660.808446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.808446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.808446][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.808446][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.808446][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.808446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.808446][ T10] [ 2660.809981][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2660.809981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.809981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.809981][ T10] ipv6_find_idev+0x102/0x170 [ 2660.809981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.809981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.809981][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.809981][ T10] netlink_unicast+0x449/0x710 [ 2660.809981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.809981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.809981][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.809981][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.809981][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.809981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.809981][ T10] [ 2660.811633][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2660.811919][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2660.811919][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.811919][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.811919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.811919][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.811919][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.811919][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.811919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.811919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.811919][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.811919][ T10] netlink_unicast+0x449/0x710 [ 2660.811919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.811919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.811919][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.811919][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.811919][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.811919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.811919][ T10] [ 2660.813898][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2660.813898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.813898][ T10] ipv6_find_idev+0x102/0x170 [ 2660.813898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.813898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.813898][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.813898][ T10] netlink_unicast+0x449/0x710 [ 2660.813898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.813898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.813898][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.813898][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.813898][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.813898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.813898][ T10] [ 2660.815416][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2660.815416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.815416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.815416][ T10] ipv6_find_idev+0x102/0x170 [ 2660.815416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.815416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.815416][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.815416][ T10] netlink_unicast+0x449/0x710 [ 2660.815416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.815416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.815416][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.815416][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.815416][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.815416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.815416][ T10] [ 2660.817044][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2660.817325][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2660.817325][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.817325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.817325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.817325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.817325][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.817325][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.817325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.817325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.817325][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.817325][ T10] netlink_unicast+0x449/0x710 [ 2660.817325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.817325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.817325][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.817325][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.817325][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.817325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.817325][ T10] [ 2660.819332][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2660.819332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.819332][ T10] ipv6_find_idev+0x102/0x170 [ 2660.819332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.819332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.819332][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.819332][ T10] netlink_unicast+0x449/0x710 [ 2660.819332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.819332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.819332][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.819332][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.819332][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.819332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.819332][ T10] [ 2660.820877][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2660.820877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.820877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.820877][ T10] ipv6_find_idev+0x102/0x170 [ 2660.820877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.820877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.820877][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.820877][ T10] netlink_unicast+0x449/0x710 [ 2660.820877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.820877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.820877][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.820877][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.820877][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.820877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.820877][ T10] [ 2660.822492][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2660.822773][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2660.822773][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.822773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.822773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.822773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.822773][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.822773][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.822773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.822773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.822773][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.822773][ T10] netlink_unicast+0x449/0x710 [ 2660.822773][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.822773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.822773][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.822773][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.822773][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.822773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.822773][ T10] [ 2660.824752][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2660.824752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.824752][ T10] ipv6_find_idev+0x102/0x170 [ 2660.824752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.824752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.824752][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.824752][ T10] netlink_unicast+0x449/0x710 [ 2660.824752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.824752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.824752][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.824752][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.824752][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.824752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.824752][ T10] [ 2660.826287][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2660.826287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.826287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.826287][ T10] ipv6_find_idev+0x102/0x170 [ 2660.826287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.826287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.826287][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.826287][ T10] netlink_unicast+0x449/0x710 [ 2660.826287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.826287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.826287][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.826287][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.826287][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.826287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.826287][ T10] [ 2660.828366][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2660.828638][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2660.828638][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.828638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.828638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.828638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.828638][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.828638][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.828638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.828638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.828638][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.828638][ T10] netlink_unicast+0x449/0x710 [ 2660.828638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.828638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.828638][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.828638][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.828638][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.828638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.828638][ T10] [ 2660.830653][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2660.830653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.830653][ T10] ipv6_find_idev+0x102/0x170 [ 2660.830653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.830653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.830653][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.830653][ T10] netlink_unicast+0x449/0x710 [ 2660.830653][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.830653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.830653][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.830653][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.830653][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.830653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.830653][ T10] [ 2660.832153][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2660.832153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.832153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.832153][ T10] ipv6_find_idev+0x102/0x170 [ 2660.832153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.832153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.832153][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.832153][ T10] netlink_unicast+0x449/0x710 [ 2660.832153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.832153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.832153][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.832153][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.832153][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.832153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.832153][ T10] [ 2660.833864][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2660.834132][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2660.834132][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.834132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.834132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.834132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.834132][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.834132][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.834132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.834132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.834132][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.834132][ T10] netlink_unicast+0x449/0x710 [ 2660.834132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.834132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.834132][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.834132][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.834132][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.834132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.834132][ T10] [ 2660.836234][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2660.836234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.836234][ T10] ipv6_find_idev+0x102/0x170 [ 2660.836234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.836234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.836234][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.836234][ T10] netlink_unicast+0x449/0x710 [ 2660.836234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.836234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.836234][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.836234][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.836234][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.836234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.836234][ T10] [ 2660.837940][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2660.837940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.837940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.837940][ T10] ipv6_find_idev+0x102/0x170 [ 2660.837940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.837940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.837940][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.837940][ T10] netlink_unicast+0x449/0x710 [ 2660.837940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.837940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.837940][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.837940][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.837940][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.837940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.837940][ T10] [ 2660.840474][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2660.840733][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2660.840733][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.840733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.840733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.840733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.840733][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.840733][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.840733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.840733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.840733][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.840733][ T10] netlink_unicast+0x449/0x710 [ 2660.840733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.840733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.840733][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.840733][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.840733][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.840733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.840733][ T10] [ 2660.842830][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2660.842830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.842830][ T10] ipv6_find_idev+0x102/0x170 [ 2660.842830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.842830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.842830][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.842830][ T10] netlink_unicast+0x449/0x710 [ 2660.842830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.842830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.842830][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.842830][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.842830][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.842830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.842830][ T10] [ 2660.844524][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2660.844524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.844524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.844524][ T10] ipv6_find_idev+0x102/0x170 [ 2660.844524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.844524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.844524][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.844524][ T10] netlink_unicast+0x449/0x710 [ 2660.844524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.844524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.844524][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.844524][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.844524][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.844524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.844524][ T10] [ 2660.846468][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2660.846726][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2660.846726][ T10] netdev_get_by_index+0x5e/0x80 [ 2660.846726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2660.846726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2660.846726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2660.846726][ T10] ipv6_add_addr+0x411/0x2000 [ 2660.846726][ T10] inet6_addr_add+0x30e/0xa40 [ 2660.846726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2660.846726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.846726][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.846726][ T10] netlink_unicast+0x449/0x710 [ 2660.846726][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.846726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.846726][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.846726][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.846726][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.846726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.846726][ T10] [ 2660.848948][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2660.848948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2660.848948][ T10] ipv6_find_idev+0x102/0x170 [ 2660.848948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.848948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.848948][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.848948][ T10] netlink_unicast+0x449/0x710 [ 2660.848948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.848948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.848948][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.848948][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.848948][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.848948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.848948][ T10] [ 2660.851045][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2660.851045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2660.851045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2660.851045][ T10] ipv6_find_idev+0x102/0x170 [ 2660.851045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2660.851045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2660.851045][ T10] netlink_rcv_skb+0x130/0x360 [ 2660.851045][ T10] netlink_unicast+0x449/0x710 [ 2660.851045][ T10] netlink_sendmsg+0x723/0xbe0 [ 2660.851045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2660.851045][ T10] ___sys_sendmsg+0xee/0x170 [ 2660.851045][ T10] __sys_sendmsg+0xcd/0x170 [ 2660.851045][ T10] do_syscall_64+0xc6/0x1e0 [ 2660.851045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2660.851045][ T10] [ 2671.029851][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2671.030344][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2671.030344][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.030344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.030344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.030344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.030344][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.030344][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.030344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.030344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.030344][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.030344][ T10] netlink_unicast+0x449/0x710 [ 2671.030344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.030344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.030344][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.030344][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.030344][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.030344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.030344][ T10] [ 2671.032372][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2671.032372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.032372][ T10] ipv6_find_idev+0x102/0x170 [ 2671.032372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.032372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.032372][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.032372][ T10] netlink_unicast+0x449/0x710 [ 2671.032372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.032372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.032372][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.032372][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.032372][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.032372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.032372][ T10] [ 2671.033901][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2671.033901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.033901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.033901][ T10] ipv6_find_idev+0x102/0x170 [ 2671.033901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.033901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.033901][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.033901][ T10] netlink_unicast+0x449/0x710 [ 2671.033901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.033901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.033901][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.033901][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.033901][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.033901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.033901][ T10] [ 2671.035572][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2671.035855][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2671.035855][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.035855][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.035855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.035855][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.035855][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.035855][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.035855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.035855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.035855][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.035855][ T10] netlink_unicast+0x449/0x710 [ 2671.035855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.035855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.035855][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.035855][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.035855][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.035855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.035855][ T10] [ 2671.037824][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2671.037824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.037824][ T10] ipv6_find_idev+0x102/0x170 [ 2671.037824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.037824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.037824][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.037824][ T10] netlink_unicast+0x449/0x710 [ 2671.037824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.037824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.037824][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.037824][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.037824][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.037824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.037824][ T10] [ 2671.039333][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2671.039333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.039333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.039333][ T10] ipv6_find_idev+0x102/0x170 [ 2671.039333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.039333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.039333][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.039333][ T10] netlink_unicast+0x449/0x710 [ 2671.039333][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.039333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.039333][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.039333][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.039333][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.039333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.039333][ T10] [ 2671.041005][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2671.041286][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2671.041286][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.041286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.041286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.041286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.041286][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.041286][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.041286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.041286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.041286][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.041286][ T10] netlink_unicast+0x449/0x710 [ 2671.041286][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.041286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.041286][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.041286][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.041286][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.041286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.041286][ T10] [ 2671.043261][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2671.043261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.043261][ T10] ipv6_find_idev+0x102/0x170 [ 2671.043261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.043261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.043261][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.043261][ T10] netlink_unicast+0x449/0x710 [ 2671.043261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.043261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.043261][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.043261][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.043261][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.043261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.043261][ T10] [ 2671.044773][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2671.044773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.044773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.044773][ T10] ipv6_find_idev+0x102/0x170 [ 2671.044773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.044773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.044773][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.044773][ T10] netlink_unicast+0x449/0x710 [ 2671.044773][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.044773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.044773][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.044773][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.044773][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.044773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.044773][ T10] [ 2671.046385][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2671.046639][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2671.046639][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.046639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.046639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.046639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.046639][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.046639][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.046639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.046639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.046639][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.046639][ T10] netlink_unicast+0x449/0x710 [ 2671.046639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.046639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.046639][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.046639][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.046639][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.046639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.046639][ T10] [ 2671.048734][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2671.048734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.048734][ T10] ipv6_find_idev+0x102/0x170 [ 2671.048734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.048734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.048734][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.048734][ T10] netlink_unicast+0x449/0x710 [ 2671.048734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.048734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.048734][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.048734][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.048734][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.048734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.048734][ T10] [ 2671.050266][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2671.050266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.050266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.050266][ T10] ipv6_find_idev+0x102/0x170 [ 2671.050266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.050266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.050266][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.050266][ T10] netlink_unicast+0x449/0x710 [ 2671.050266][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.050266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.050266][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.050266][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.050266][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.050266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.050266][ T10] [ 2671.052337][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2671.052597][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2671.052597][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.052597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.052597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.052597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.052597][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.052597][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.052597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.052597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.052597][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.052597][ T10] netlink_unicast+0x449/0x710 [ 2671.052597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.052597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.052597][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.052597][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.052597][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.052597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.052597][ T10] [ 2671.054562][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2671.054562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.054562][ T10] ipv6_find_idev+0x102/0x170 [ 2671.054562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.054562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.054562][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.054562][ T10] netlink_unicast+0x449/0x710 [ 2671.054562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.054562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.054562][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.054562][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.054562][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.054562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.054562][ T10] [ 2671.056085][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2671.056085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.056085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.056085][ T10] ipv6_find_idev+0x102/0x170 [ 2671.056085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.056085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.056085][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.056085][ T10] netlink_unicast+0x449/0x710 [ 2671.056085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.056085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.056085][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.056085][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.056085][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.056085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.056085][ T10] [ 2671.057801][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2671.058059][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2671.058059][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.058059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.058059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.058059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.058059][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.058059][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.058059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.058059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.058059][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.058059][ T10] netlink_unicast+0x449/0x710 [ 2671.058059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.058059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.058059][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.058059][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.058059][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.058059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.058059][ T10] [ 2671.060176][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2671.060176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.060176][ T10] ipv6_find_idev+0x102/0x170 [ 2671.060176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.060176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.060176][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.060176][ T10] netlink_unicast+0x449/0x710 [ 2671.060176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.060176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.060176][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.060176][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.060176][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.060176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.060176][ T10] [ 2671.061889][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2671.061889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.061889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.061889][ T10] ipv6_find_idev+0x102/0x170 [ 2671.061889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.061889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.061889][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.061889][ T10] netlink_unicast+0x449/0x710 [ 2671.061889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.061889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.061889][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.061889][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.061889][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.061889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.061889][ T10] [ 2671.063925][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2671.064190][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2671.064190][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.064190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.064190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.064190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.064190][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.064190][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.064190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.064190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.064190][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.064190][ T10] netlink_unicast+0x449/0x710 [ 2671.064190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.064190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.064190][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.064190][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.064190][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.064190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.064190][ T10] [ 2671.066264][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2671.066264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.066264][ T10] ipv6_find_idev+0x102/0x170 [ 2671.066264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.066264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.066264][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.066264][ T10] netlink_unicast+0x449/0x710 [ 2671.066264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.066264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.066264][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.066264][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.066264][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.066264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.066264][ T10] [ 2671.067983][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2671.067983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.067983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.067983][ T10] ipv6_find_idev+0x102/0x170 [ 2671.067983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.067983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.067983][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.067983][ T10] netlink_unicast+0x449/0x710 [ 2671.067983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.067983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.067983][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.067983][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.067983][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.067983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.067983][ T10] [ 2671.069913][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2671.070174][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2671.070174][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.070174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.070174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.070174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.070174][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.070174][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.070174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.070174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.070174][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.070174][ T10] netlink_unicast+0x449/0x710 [ 2671.070174][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.070174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.070174][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.070174][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.070174][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.070174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.070174][ T10] [ 2671.072322][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2671.072322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.072322][ T10] ipv6_find_idev+0x102/0x170 [ 2671.072322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.072322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.072322][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.072322][ T10] netlink_unicast+0x449/0x710 [ 2671.072322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.072322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.072322][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.072322][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.072322][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.072322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.072322][ T10] [ 2671.074049][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2671.074049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.074049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.074049][ T10] ipv6_find_idev+0x102/0x170 [ 2671.074049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.074049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.074049][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.074049][ T10] netlink_unicast+0x449/0x710 [ 2671.074049][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.074049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.074049][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.074049][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.074049][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.074049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.074049][ T10] [ 2681.197973][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2681.198446][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2681.198446][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.198446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.198446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.198446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.198446][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.198446][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.198446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.198446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.198446][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.198446][ T10] netlink_unicast+0x449/0x710 [ 2681.198446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.198446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.198446][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.198446][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.198446][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.198446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.198446][ T10] [ 2681.200466][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2681.200466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.200466][ T10] ipv6_find_idev+0x102/0x170 [ 2681.200466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.200466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.200466][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.200466][ T10] netlink_unicast+0x449/0x710 [ 2681.200466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.200466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.200466][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.200466][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.200466][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.200466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.200466][ T10] [ 2681.202065][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2681.202065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.202065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.202065][ T10] ipv6_find_idev+0x102/0x170 [ 2681.202065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.202065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.202065][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.202065][ T10] netlink_unicast+0x449/0x710 [ 2681.202065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.202065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.202065][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.202065][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.202065][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.202065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.202065][ T10] [ 2681.203718][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2681.204009][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2681.204009][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.204009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.204009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.204009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.204009][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.204009][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.204009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.204009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.204009][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.204009][ T10] netlink_unicast+0x449/0x710 [ 2681.204009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.204009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.204009][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.204009][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.204009][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.204009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.204009][ T10] [ 2681.205999][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2681.205999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.205999][ T10] ipv6_find_idev+0x102/0x170 [ 2681.205999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.205999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.205999][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.205999][ T10] netlink_unicast+0x449/0x710 [ 2681.205999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.205999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.205999][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.205999][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.205999][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.205999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.205999][ T10] [ 2681.207545][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2681.207545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.207545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.207545][ T10] ipv6_find_idev+0x102/0x170 [ 2681.207545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.207545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.207545][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.207545][ T10] netlink_unicast+0x449/0x710 [ 2681.207545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.207545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.207545][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.207545][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.207545][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.207545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.207545][ T10] [ 2681.209241][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2681.209505][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2681.209505][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.209505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.209505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.209505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.209505][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.209505][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.209505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.209505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.209505][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.209505][ T10] netlink_unicast+0x449/0x710 [ 2681.209505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.209505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.209505][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.209505][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.209505][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.209505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.209505][ T10] [ 2681.211466][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2681.211466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.211466][ T10] ipv6_find_idev+0x102/0x170 [ 2681.211466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.211466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.211466][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.211466][ T10] netlink_unicast+0x449/0x710 [ 2681.211466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.211466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.211466][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.211466][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.211466][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.211466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.211466][ T10] [ 2681.212944][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2681.212944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.212944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.212944][ T10] ipv6_find_idev+0x102/0x170 [ 2681.212944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.212944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.212944][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.212944][ T10] netlink_unicast+0x449/0x710 [ 2681.212944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.212944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.212944][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.212944][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.212944][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.212944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.212944][ T10] [ 2681.214609][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2681.214940][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2681.214940][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.214940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.214940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.214940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.214940][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.214940][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.214940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.214940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.214940][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.214940][ T10] netlink_unicast+0x449/0x710 [ 2681.214940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.214940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.214940][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.214940][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.214940][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.214940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.214940][ T10] [ 2681.216909][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2681.216909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.216909][ T10] ipv6_find_idev+0x102/0x170 [ 2681.216909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.216909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.216909][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.216909][ T10] netlink_unicast+0x449/0x710 [ 2681.216909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.216909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.216909][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.216909][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.216909][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.216909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.216909][ T10] [ 2681.218432][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2681.218432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.218432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.218432][ T10] ipv6_find_idev+0x102/0x170 [ 2681.218432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.218432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.218432][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.218432][ T10] netlink_unicast+0x449/0x710 [ 2681.218432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.218432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.218432][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.218432][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.218432][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.218432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.218432][ T10] [ 2681.220217][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2681.220480][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2681.220480][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.220480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.220480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.220480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.220480][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.220480][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.220480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.220480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.220480][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.220480][ T10] netlink_unicast+0x449/0x710 [ 2681.220480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.220480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.220480][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.220480][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.220480][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.220480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.220480][ T10] [ 2681.222454][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2681.222454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.222454][ T10] ipv6_find_idev+0x102/0x170 [ 2681.222454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.222454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.222454][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.222454][ T10] netlink_unicast+0x449/0x710 [ 2681.222454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.222454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.222454][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.222454][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.222454][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.222454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.222454][ T10] [ 2681.223989][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2681.223989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.223989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.223989][ T10] ipv6_find_idev+0x102/0x170 [ 2681.223989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.223989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.223989][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.223989][ T10] netlink_unicast+0x449/0x710 [ 2681.223989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.223989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.223989][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.223989][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.223989][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.223989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.223989][ T10] [ 2681.225920][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2681.226178][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2681.226178][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.226178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.226178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.226178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.226178][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.226178][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.226178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.226178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.226178][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.226178][ T10] netlink_unicast+0x449/0x710 [ 2681.226178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.226178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.226178][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.226178][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.226178][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.226178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.226178][ T10] [ 2681.228332][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2681.228332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.228332][ T10] ipv6_find_idev+0x102/0x170 [ 2681.228332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.228332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.228332][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.228332][ T10] netlink_unicast+0x449/0x710 [ 2681.228332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.228332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.228332][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.228332][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.228332][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.228332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.228332][ T10] [ 2681.230100][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2681.230100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.230100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.230100][ T10] ipv6_find_idev+0x102/0x170 [ 2681.230100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.230100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.230100][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.230100][ T10] netlink_unicast+0x449/0x710 [ 2681.230100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.230100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.230100][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.230100][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.230100][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.230100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.230100][ T10] [ 2681.231987][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2681.232261][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2681.232261][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.232261][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.232261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.232261][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.232261][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.232261][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.232261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.232261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.232261][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.232261][ T10] netlink_unicast+0x449/0x710 [ 2681.232261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.232261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.232261][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.232261][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.232261][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.232261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.232261][ T10] [ 2681.234417][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2681.234417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.234417][ T10] ipv6_find_idev+0x102/0x170 [ 2681.234417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.234417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.234417][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.234417][ T10] netlink_unicast+0x449/0x710 [ 2681.234417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.234417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.234417][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.234417][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.234417][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.234417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.234417][ T10] [ 2681.236114][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2681.236114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.236114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.236114][ T10] ipv6_find_idev+0x102/0x170 [ 2681.236114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.236114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.236114][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.236114][ T10] netlink_unicast+0x449/0x710 [ 2681.236114][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.236114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.236114][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.236114][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.236114][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.236114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.236114][ T10] [ 2681.237993][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2681.238254][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2681.238254][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.238254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.238254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.238254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.238254][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.238254][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.238254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.238254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.238254][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.238254][ T10] netlink_unicast+0x449/0x710 [ 2681.238254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.238254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.238254][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.238254][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.238254][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.238254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.238254][ T10] [ 2681.240551][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2681.240551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.240551][ T10] ipv6_find_idev+0x102/0x170 [ 2681.240551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.240551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.240551][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.240551][ T10] netlink_unicast+0x449/0x710 [ 2681.240551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.240551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.240551][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.240551][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.240551][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.240551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.240551][ T10] [ 2681.242244][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2681.242244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.242244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.242244][ T10] ipv6_find_idev+0x102/0x170 [ 2681.242244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.242244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.242244][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.242244][ T10] netlink_unicast+0x449/0x710 [ 2681.242244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.242244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.242244][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.242244][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.242244][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.242244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.242244][ T10] [ 2691.485961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2691.486661][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2691.486661][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.486661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.486661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.486661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.486661][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.486661][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.486661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.486661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.486661][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.486661][ T10] netlink_unicast+0x449/0x710 [ 2691.486661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.486661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.486661][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.486661][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.486661][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.486661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.486661][ T10] [ 2691.488648][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2691.488648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.488648][ T10] ipv6_find_idev+0x102/0x170 [ 2691.488648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.488648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.488648][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.488648][ T10] netlink_unicast+0x449/0x710 [ 2691.488648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.488648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.488648][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.488648][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.488648][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.488648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.488648][ T10] [ 2691.490194][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2691.490194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.490194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.490194][ T10] ipv6_find_idev+0x102/0x170 [ 2691.490194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.490194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.490194][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.490194][ T10] netlink_unicast+0x449/0x710 [ 2691.490194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.490194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.490194][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.490194][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.490194][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.490194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.490194][ T10] [ 2691.491843][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2691.492126][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2691.492126][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.492126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.492126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.492126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.492126][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.492126][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.492126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.492126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.492126][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.492126][ T10] netlink_unicast+0x449/0x710 [ 2691.492126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.492126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.492126][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.492126][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.492126][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.492126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.492126][ T10] [ 2691.494087][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2691.494087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.494087][ T10] ipv6_find_idev+0x102/0x170 [ 2691.494087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.494087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.494087][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.494087][ T10] netlink_unicast+0x449/0x710 [ 2691.494087][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.494087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.494087][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.494087][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.494087][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.494087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.494087][ T10] [ 2691.495614][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2691.495614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.495614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.495614][ T10] ipv6_find_idev+0x102/0x170 [ 2691.495614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.495614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.495614][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.495614][ T10] netlink_unicast+0x449/0x710 [ 2691.495614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.495614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.495614][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.495614][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.495614][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.495614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.495614][ T10] [ 2691.497297][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2691.497559][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2691.497559][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.497559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.497559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.497559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.497559][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.497559][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.497559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.497559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.497559][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.497559][ T10] netlink_unicast+0x449/0x710 [ 2691.497559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.497559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.497559][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.497559][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.497559][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.497559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.497559][ T10] [ 2691.499581][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2691.499581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.499581][ T10] ipv6_find_idev+0x102/0x170 [ 2691.499581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.499581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.499581][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.499581][ T10] netlink_unicast+0x449/0x710 [ 2691.499581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.499581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.499581][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.499581][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.499581][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.499581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.499581][ T10] [ 2691.501126][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2691.501126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.501126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.501126][ T10] ipv6_find_idev+0x102/0x170 [ 2691.501126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.501126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.501126][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.501126][ T10] netlink_unicast+0x449/0x710 [ 2691.501126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.501126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.501126][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.501126][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.501126][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.501126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.501126][ T10] [ 2691.502791][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2691.503069][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2691.503069][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.503069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.503069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.503069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.503069][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.503069][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.503069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.503069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.503069][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.503069][ T10] netlink_unicast+0x449/0x710 [ 2691.503069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.503069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.503069][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.503069][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.503069][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.503069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.503069][ T10] [ 2691.505056][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2691.505056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.505056][ T10] ipv6_find_idev+0x102/0x170 [ 2691.505056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.505056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.505056][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.505056][ T10] netlink_unicast+0x449/0x710 [ 2691.505056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.505056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.505056][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.505056][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.505056][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.505056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.505056][ T10] [ 2691.506569][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2691.506569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.506569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.506569][ T10] ipv6_find_idev+0x102/0x170 [ 2691.506569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.506569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.506569][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.506569][ T10] netlink_unicast+0x449/0x710 [ 2691.506569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.506569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.506569][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.506569][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.506569][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.506569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.506569][ T10] [ 2691.508637][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2691.509239][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2691.509239][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.509239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.509239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.509239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.509239][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.509239][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.509239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.509239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.509239][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.509239][ T10] netlink_unicast+0x449/0x710 [ 2691.509239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.509239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.509239][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.509239][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.509239][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.509239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.509239][ T10] [ 2691.511227][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2691.511227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.511227][ T10] ipv6_find_idev+0x102/0x170 [ 2691.511227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.511227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.511227][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.511227][ T10] netlink_unicast+0x449/0x710 [ 2691.511227][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.511227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.511227][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.511227][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.511227][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.511227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.511227][ T10] [ 2691.512744][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2691.512744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.512744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.512744][ T10] ipv6_find_idev+0x102/0x170 [ 2691.512744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.512744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.512744][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.512744][ T10] netlink_unicast+0x449/0x710 [ 2691.512744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.512744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.512744][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.512744][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.512744][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.512744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.512744][ T10] [ 2691.514411][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2691.514690][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2691.514690][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.514690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.514690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.514690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.514690][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.514690][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.514690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.514690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.514690][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.514690][ T10] netlink_unicast+0x449/0x710 [ 2691.514690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.514690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.514690][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.514690][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.514690][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.514690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.514690][ T10] [ 2691.516673][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2691.516673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.516673][ T10] ipv6_find_idev+0x102/0x170 [ 2691.516673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.516673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.516673][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.516673][ T10] netlink_unicast+0x449/0x710 [ 2691.516673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.516673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.516673][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.516673][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.516673][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.516673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.516673][ T10] [ 2691.518251][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2691.518251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.518251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.518251][ T10] ipv6_find_idev+0x102/0x170 [ 2691.518251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.518251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.518251][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.518251][ T10] netlink_unicast+0x449/0x710 [ 2691.518251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.518251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.518251][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.518251][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.518251][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.518251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.518251][ T10] [ 2691.520201][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2691.520458][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2691.520458][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.520458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.520458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.520458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.520458][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.520458][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.520458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.520458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.520458][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.520458][ T10] netlink_unicast+0x449/0x710 [ 2691.520458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.520458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.520458][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.520458][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.520458][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.520458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.520458][ T10] [ 2691.522641][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2691.522641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.522641][ T10] ipv6_find_idev+0x102/0x170 [ 2691.522641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.522641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.522641][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.522641][ T10] netlink_unicast+0x449/0x710 [ 2691.522641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.522641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.522641][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.522641][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.522641][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.522641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.522641][ T10] [ 2691.524356][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2691.524356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.524356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.524356][ T10] ipv6_find_idev+0x102/0x170 [ 2691.524356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.524356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.524356][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.524356][ T10] netlink_unicast+0x449/0x710 [ 2691.524356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.524356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.524356][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.524356][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.524356][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.524356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.524356][ T10] [ 2691.526301][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2691.526605][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2691.526605][ T10] netdev_get_by_index+0x5e/0x80 [ 2691.526605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2691.526605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2691.526605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2691.526605][ T10] ipv6_add_addr+0x411/0x2000 [ 2691.526605][ T10] inet6_addr_add+0x30e/0xa40 [ 2691.526605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2691.526605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.526605][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.526605][ T10] netlink_unicast+0x449/0x710 [ 2691.526605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.526605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.526605][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.526605][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.526605][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.526605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.526605][ T10] [ 2691.528766][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2691.528766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2691.528766][ T10] ipv6_find_idev+0x102/0x170 [ 2691.528766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.528766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.528766][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.528766][ T10] netlink_unicast+0x449/0x710 [ 2691.528766][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.528766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.528766][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.528766][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.528766][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.528766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.528766][ T10] [ 2691.530471][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2691.530471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2691.530471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2691.530471][ T10] ipv6_find_idev+0x102/0x170 [ 2691.530471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2691.530471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2691.530471][ T10] netlink_rcv_skb+0x130/0x360 [ 2691.530471][ T10] netlink_unicast+0x449/0x710 [ 2691.530471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2691.530471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2691.530471][ T10] ___sys_sendmsg+0xee/0x170 [ 2691.530471][ T10] __sys_sendmsg+0xcd/0x170 [ 2691.530471][ T10] do_syscall_64+0xc6/0x1e0 [ 2691.530471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2691.530471][ T10] [ 2701.773971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2701.774451][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2701.774451][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.774451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.774451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.774451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.774451][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.774451][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.774451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.774451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.774451][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.774451][ T10] netlink_unicast+0x449/0x710 [ 2701.774451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.774451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.774451][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.774451][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.774451][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.774451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.774451][ T10] [ 2701.776475][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2701.776475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.776475][ T10] ipv6_find_idev+0x102/0x170 [ 2701.776475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.776475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.776475][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.776475][ T10] netlink_unicast+0x449/0x710 [ 2701.776475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.776475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.776475][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.776475][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.776475][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.776475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.776475][ T10] [ 2701.778004][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2701.778004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.778004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.778004][ T10] ipv6_find_idev+0x102/0x170 [ 2701.778004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.778004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.778004][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.778004][ T10] netlink_unicast+0x449/0x710 [ 2701.778004][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.778004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.778004][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.778004][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.778004][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.778004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.778004][ T10] [ 2701.779716][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2701.780003][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2701.780003][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.780003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.780003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.780003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.780003][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.780003][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.780003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.780003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.780003][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.780003][ T10] netlink_unicast+0x449/0x710 [ 2701.780003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.780003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.780003][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.780003][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.780003][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.780003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.780003][ T10] [ 2701.781996][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2701.781996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.781996][ T10] ipv6_find_idev+0x102/0x170 [ 2701.781996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.781996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.781996][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.781996][ T10] netlink_unicast+0x449/0x710 [ 2701.781996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.781996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.781996][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.781996][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.781996][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.781996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.781996][ T10] [ 2701.783508][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2701.783508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.783508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.783508][ T10] ipv6_find_idev+0x102/0x170 [ 2701.783508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.783508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.783508][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.783508][ T10] netlink_unicast+0x449/0x710 [ 2701.783508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.783508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.783508][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.783508][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.783508][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.783508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.783508][ T10] [ 2701.785181][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2701.785453][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2701.785453][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.785453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.785453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.785453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.785453][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.785453][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.785453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.785453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.785453][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.785453][ T10] netlink_unicast+0x449/0x710 [ 2701.785453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.785453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.785453][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.785453][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.785453][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.785453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.785453][ T10] [ 2701.787432][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2701.787432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.787432][ T10] ipv6_find_idev+0x102/0x170 [ 2701.787432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.787432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.787432][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.787432][ T10] netlink_unicast+0x449/0x710 [ 2701.787432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.787432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.787432][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.787432][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.787432][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.787432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.787432][ T10] [ 2701.788948][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2701.788948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.788948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.788948][ T10] ipv6_find_idev+0x102/0x170 [ 2701.788948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.788948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.788948][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.788948][ T10] netlink_unicast+0x449/0x710 [ 2701.788948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.788948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.788948][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.788948][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.788948][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.788948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.788948][ T10] [ 2701.790622][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2701.791319][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2701.791319][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.791319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.791319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.791319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.791319][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.791319][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.791319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.791319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.791319][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.791319][ T10] netlink_unicast+0x449/0x710 [ 2701.791319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.791319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.791319][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.791319][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.791319][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.791319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.791319][ T10] [ 2701.793285][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2701.793285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.793285][ T10] ipv6_find_idev+0x102/0x170 [ 2701.793285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.793285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.793285][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.793285][ T10] netlink_unicast+0x449/0x710 [ 2701.793285][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.793285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.793285][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.793285][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.793285][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.793285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.793285][ T10] [ 2701.794798][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2701.794798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.794798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.794798][ T10] ipv6_find_idev+0x102/0x170 [ 2701.794798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.794798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.794798][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.794798][ T10] netlink_unicast+0x449/0x710 [ 2701.794798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.794798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.794798][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.794798][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.794798][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.794798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.794798][ T10] [ 2701.796479][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2701.796740][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2701.796740][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.796740][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.796740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.796740][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.796740][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.796740][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.796740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.796740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.796740][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.796740][ T10] netlink_unicast+0x449/0x710 [ 2701.796740][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.796740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.796740][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.796740][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.796740][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.796740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.796740][ T10] [ 2701.798728][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2701.798728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.798728][ T10] ipv6_find_idev+0x102/0x170 [ 2701.798728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.798728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.798728][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.798728][ T10] netlink_unicast+0x449/0x710 [ 2701.798728][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.798728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.798728][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.798728][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.798728][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.798728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.798728][ T10] [ 2701.800262][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2701.800262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.800262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.800262][ T10] ipv6_find_idev+0x102/0x170 [ 2701.800262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.800262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.800262][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.800262][ T10] netlink_unicast+0x449/0x710 [ 2701.800262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.800262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.800262][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.800262][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.800262][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.800262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.800262][ T10] [ 2701.801958][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2701.802215][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2701.802215][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.802215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.802215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.802215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.802215][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.802215][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.802215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.802215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.802215][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.802215][ T10] netlink_unicast+0x449/0x710 [ 2701.802215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.802215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.802215][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.802215][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.802215][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.802215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.802215][ T10] [ 2701.804295][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2701.804295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.804295][ T10] ipv6_find_idev+0x102/0x170 [ 2701.804295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.804295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.804295][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.804295][ T10] netlink_unicast+0x449/0x710 [ 2701.804295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.804295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.804295][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.804295][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.804295][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.804295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.804295][ T10] [ 2701.806038][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2701.806038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.806038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.806038][ T10] ipv6_find_idev+0x102/0x170 [ 2701.806038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.806038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.806038][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.806038][ T10] netlink_unicast+0x449/0x710 [ 2701.806038][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.806038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.806038][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.806038][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.806038][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.806038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.806038][ T10] [ 2701.807923][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2701.808184][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2701.808184][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.808184][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.808184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.808184][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.808184][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.808184][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.808184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.808184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.808184][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.808184][ T10] netlink_unicast+0x449/0x710 [ 2701.808184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.808184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.808184][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.808184][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.808184][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.808184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.808184][ T10] [ 2701.810411][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2701.810411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.810411][ T10] ipv6_find_idev+0x102/0x170 [ 2701.810411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.810411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.810411][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.810411][ T10] netlink_unicast+0x449/0x710 [ 2701.810411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.810411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.810411][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.810411][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.810411][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.810411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.810411][ T10] [ 2701.812075][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2701.812075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.812075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.812075][ T10] ipv6_find_idev+0x102/0x170 [ 2701.812075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.812075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.812075][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.812075][ T10] netlink_unicast+0x449/0x710 [ 2701.812075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.812075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.812075][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.812075][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.812075][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.812075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.812075][ T10] [ 2701.814000][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2701.814258][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2701.814258][ T10] netdev_get_by_index+0x5e/0x80 [ 2701.814258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2701.814258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2701.814258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2701.814258][ T10] ipv6_add_addr+0x411/0x2000 [ 2701.814258][ T10] inet6_addr_add+0x30e/0xa40 [ 2701.814258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2701.814258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.814258][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.814258][ T10] netlink_unicast+0x449/0x710 [ 2701.814258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.814258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.814258][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.814258][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.814258][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.814258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.814258][ T10] [ 2701.816468][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2701.816468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2701.816468][ T10] ipv6_find_idev+0x102/0x170 [ 2701.816468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.816468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.816468][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.816468][ T10] netlink_unicast+0x449/0x710 [ 2701.816468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.816468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.816468][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.816468][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.816468][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.816468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.816468][ T10] [ 2701.818137][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2701.818137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2701.818137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2701.818137][ T10] ipv6_find_idev+0x102/0x170 [ 2701.818137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2701.818137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2701.818137][ T10] netlink_rcv_skb+0x130/0x360 [ 2701.818137][ T10] netlink_unicast+0x449/0x710 [ 2701.818137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2701.818137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2701.818137][ T10] ___sys_sendmsg+0xee/0x170 [ 2701.818137][ T10] __sys_sendmsg+0xcd/0x170 [ 2701.818137][ T10] do_syscall_64+0xc6/0x1e0 [ 2701.818137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2701.818137][ T10] [ 2712.061994][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2712.062604][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2712.062604][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.062604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.062604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.062604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.062604][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.062604][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.062604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.062604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.062604][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.062604][ T10] netlink_unicast+0x449/0x710 [ 2712.062604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.062604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.062604][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.062604][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.062604][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.062604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.062604][ T10] [ 2712.064592][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2712.064592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.064592][ T10] ipv6_find_idev+0x102/0x170 [ 2712.064592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.064592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.064592][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.064592][ T10] netlink_unicast+0x449/0x710 [ 2712.064592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.064592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.064592][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.064592][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.064592][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.064592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.064592][ T10] [ 2712.066134][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2712.066134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.066134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.066134][ T10] ipv6_find_idev+0x102/0x170 [ 2712.066134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.066134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.066134][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.066134][ T10] netlink_unicast+0x449/0x710 [ 2712.066134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.066134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.066134][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.066134][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.066134][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.066134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.066134][ T10] [ 2712.067825][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2712.068088][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2712.068088][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.068088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.068088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.068088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.068088][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.068088][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.068088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.068088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.068088][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.068088][ T10] netlink_unicast+0x449/0x710 [ 2712.068088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.068088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.068088][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.068088][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.068088][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.068088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.068088][ T10] [ 2712.070077][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2712.070077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.070077][ T10] ipv6_find_idev+0x102/0x170 [ 2712.070077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.070077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.070077][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.070077][ T10] netlink_unicast+0x449/0x710 [ 2712.070077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.070077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.070077][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.070077][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.070077][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.070077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.070077][ T10] [ 2712.071607][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2712.071607][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.071607][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.071607][ T10] ipv6_find_idev+0x102/0x170 [ 2712.071607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.071607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.071607][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.071607][ T10] netlink_unicast+0x449/0x710 [ 2712.071607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.071607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.071607][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.071607][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.071607][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.071607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.071607][ T10] [ 2712.073667][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2712.073938][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2712.073938][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.073938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.073938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.073938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.073938][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.073938][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.073938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.073938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.073938][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.073938][ T10] netlink_unicast+0x449/0x710 [ 2712.073938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.073938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.073938][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.073938][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.073938][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.073938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.073938][ T10] [ 2712.075910][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2712.075910][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.075910][ T10] ipv6_find_idev+0x102/0x170 [ 2712.075910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.075910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.075910][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.075910][ T10] netlink_unicast+0x449/0x710 [ 2712.075910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.075910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.075910][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.075910][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.075910][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.075910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.075910][ T10] [ 2712.077450][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2712.077450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.077450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.077450][ T10] ipv6_find_idev+0x102/0x170 [ 2712.077450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.077450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.077450][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.077450][ T10] netlink_unicast+0x449/0x710 [ 2712.077450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.077450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.077450][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.077450][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.077450][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.077450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.077450][ T10] [ 2712.079107][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2712.079373][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2712.079373][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.079373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.079373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.079373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.079373][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.079373][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.079373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.079373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.079373][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.079373][ T10] netlink_unicast+0x449/0x710 [ 2712.079373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.079373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.079373][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.079373][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.079373][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.079373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.079373][ T10] [ 2712.081440][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2712.081440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.081440][ T10] ipv6_find_idev+0x102/0x170 [ 2712.081440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.081440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.081440][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.081440][ T10] netlink_unicast+0x449/0x710 [ 2712.081440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.081440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.081440][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.081440][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.081440][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.081440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.081440][ T10] [ 2712.082963][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2712.082963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.082963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.082963][ T10] ipv6_find_idev+0x102/0x170 [ 2712.082963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.082963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.082963][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.082963][ T10] netlink_unicast+0x449/0x710 [ 2712.082963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.082963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.082963][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.082963][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.082963][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.082963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.082963][ T10] [ 2712.084674][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2712.084998][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2712.084998][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.084998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.084998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.084998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.084998][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.084998][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.084998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.084998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.084998][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.084998][ T10] netlink_unicast+0x449/0x710 [ 2712.084998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.084998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.084998][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.084998][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.084998][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.084998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.084998][ T10] [ 2712.086965][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2712.086965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.086965][ T10] ipv6_find_idev+0x102/0x170 [ 2712.086965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.086965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.086965][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.086965][ T10] netlink_unicast+0x449/0x710 [ 2712.086965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.086965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.086965][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.086965][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.086965][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.086965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.086965][ T10] [ 2712.088480][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2712.088480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.088480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.088480][ T10] ipv6_find_idev+0x102/0x170 [ 2712.088480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.088480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.088480][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.088480][ T10] netlink_unicast+0x449/0x710 [ 2712.088480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.088480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.088480][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.088480][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.088480][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.088480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.088480][ T10] [ 2712.090382][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2712.090642][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2712.090642][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.090642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.090642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.090642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.090642][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.090642][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.090642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.090642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.090642][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.090642][ T10] netlink_unicast+0x449/0x710 [ 2712.090642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.090642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.090642][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.090642][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.090642][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.090642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.090642][ T10] [ 2712.092917][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2712.092917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.092917][ T10] ipv6_find_idev+0x102/0x170 [ 2712.092917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.092917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.092917][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.092917][ T10] netlink_unicast+0x449/0x710 [ 2712.092917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.092917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.092917][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.092917][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.092917][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.092917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.092917][ T10] [ 2712.094723][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2712.094723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.094723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.094723][ T10] ipv6_find_idev+0x102/0x170 [ 2712.094723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.094723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.094723][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.094723][ T10] netlink_unicast+0x449/0x710 [ 2712.094723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.094723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.094723][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.094723][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.094723][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.094723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.094723][ T10] [ 2712.096613][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2712.096923][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2712.096923][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.096923][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.096923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.096923][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.096923][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.096923][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.096923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.096923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.096923][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.096923][ T10] netlink_unicast+0x449/0x710 [ 2712.096923][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.096923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.096923][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.096923][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.096923][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.096923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.096923][ T10] [ 2712.099091][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2712.099091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.099091][ T10] ipv6_find_idev+0x102/0x170 [ 2712.099091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.099091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.099091][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.099091][ T10] netlink_unicast+0x449/0x710 [ 2712.099091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.099091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.099091][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.099091][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.099091][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.099091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.099091][ T10] [ 2712.100787][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2712.100787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.100787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.100787][ T10] ipv6_find_idev+0x102/0x170 [ 2712.100787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.100787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.100787][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.100787][ T10] netlink_unicast+0x449/0x710 [ 2712.100787][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.100787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.100787][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.100787][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.100787][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.100787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.100787][ T10] [ 2712.102835][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2712.103103][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2712.103103][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.103103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.103103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.103103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.103103][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.103103][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.103103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.103103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.103103][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.103103][ T10] netlink_unicast+0x449/0x710 [ 2712.103103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.103103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.103103][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.103103][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.103103][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.103103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.103103][ T10] [ 2712.105257][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2712.105257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.105257][ T10] ipv6_find_idev+0x102/0x170 [ 2712.105257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.105257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.105257][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.105257][ T10] netlink_unicast+0x449/0x710 [ 2712.105257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.105257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.105257][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.105257][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.105257][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.105257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.105257][ T10] [ 2712.106956][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2712.106956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.106956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.106956][ T10] ipv6_find_idev+0x102/0x170 [ 2712.106956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.106956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.106956][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.106956][ T10] netlink_unicast+0x449/0x710 [ 2712.106956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.106956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.106956][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.106956][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.106956][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.106956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.106956][ T10] [ 2722.349943][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2722.350599][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2722.350599][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.350599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.350599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.350599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.350599][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.350599][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.350599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.350599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.350599][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.350599][ T10] netlink_unicast+0x449/0x710 [ 2722.350599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.350599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.350599][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.350599][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.350599][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.350599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.350599][ T10] [ 2722.352519][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2722.352519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.352519][ T10] ipv6_find_idev+0x102/0x170 [ 2722.352519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.352519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.352519][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.352519][ T10] netlink_unicast+0x449/0x710 [ 2722.352519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.352519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.352519][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.352519][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.352519][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.352519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.352519][ T10] [ 2722.354012][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2722.354012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.354012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.354012][ T10] ipv6_find_idev+0x102/0x170 [ 2722.354012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.354012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.354012][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.354012][ T10] netlink_unicast+0x449/0x710 [ 2722.354012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.354012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.354012][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.354012][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.354012][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.354012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.354012][ T10] [ 2722.355615][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2722.355923][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2722.355923][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.355923][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.355923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.355923][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.355923][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.355923][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.355923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.355923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.355923][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.355923][ T10] netlink_unicast+0x449/0x710 [ 2722.355923][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.355923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.355923][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.355923][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.355923][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.355923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.355923][ T10] [ 2722.358026][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2722.358026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.358026][ T10] ipv6_find_idev+0x102/0x170 [ 2722.358026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.358026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.358026][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.358026][ T10] netlink_unicast+0x449/0x710 [ 2722.358026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.358026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.358026][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.358026][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.358026][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.358026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.358026][ T10] [ 2722.359559][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2722.359559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.359559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.359559][ T10] ipv6_find_idev+0x102/0x170 [ 2722.359559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.359559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.359559][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.359559][ T10] netlink_unicast+0x449/0x710 [ 2722.359559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.359559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.359559][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.359559][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.359559][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.359559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.359559][ T10] [ 2722.361252][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2722.361518][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2722.361518][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.361518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.361518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.361518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.361518][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.361518][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.361518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.361518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.361518][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.361518][ T10] netlink_unicast+0x449/0x710 [ 2722.361518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.361518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.361518][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.361518][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.361518][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.361518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.361518][ T10] [ 2722.363500][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2722.363500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.363500][ T10] ipv6_find_idev+0x102/0x170 [ 2722.363500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.363500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.363500][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.363500][ T10] netlink_unicast+0x449/0x710 [ 2722.363500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.363500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.363500][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.363500][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.363500][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.363500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.363500][ T10] [ 2722.364996][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2722.364996][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.364996][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.364996][ T10] ipv6_find_idev+0x102/0x170 [ 2722.364996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.364996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.364996][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.364996][ T10] netlink_unicast+0x449/0x710 [ 2722.364996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.364996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.364996][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.364996][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.364996][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.364996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.364996][ T10] [ 2722.366616][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2722.367327][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2722.367327][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.367327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.367327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.367327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.367327][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.367327][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.367327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.367327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.367327][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.367327][ T10] netlink_unicast+0x449/0x710 [ 2722.367327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.367327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.367327][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.367327][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.367327][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.367327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.367327][ T10] [ 2722.369340][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2722.369340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.369340][ T10] ipv6_find_idev+0x102/0x170 [ 2722.369340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.369340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.369340][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.369340][ T10] netlink_unicast+0x449/0x710 [ 2722.369340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.369340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.369340][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.369340][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.369340][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.369340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.369340][ T10] [ 2722.370846][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2722.370846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.370846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.370846][ T10] ipv6_find_idev+0x102/0x170 [ 2722.370846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.370846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.370846][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.370846][ T10] netlink_unicast+0x449/0x710 [ 2722.370846][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.370846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.370846][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.370846][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.370846][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.370846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.370846][ T10] [ 2722.372527][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2722.372789][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2722.372789][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.372789][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.372789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.372789][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.372789][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.372789][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.372789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.372789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.372789][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.372789][ T10] netlink_unicast+0x449/0x710 [ 2722.372789][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.372789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.372789][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.372789][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.372789][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.372789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.372789][ T10] [ 2722.374777][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2722.374777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.374777][ T10] ipv6_find_idev+0x102/0x170 [ 2722.374777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.374777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.374777][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.374777][ T10] netlink_unicast+0x449/0x710 [ 2722.374777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.374777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.374777][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.374777][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.374777][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.374777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.374777][ T10] [ 2722.376299][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2722.376299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.376299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.376299][ T10] ipv6_find_idev+0x102/0x170 [ 2722.376299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.376299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.376299][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.376299][ T10] netlink_unicast+0x449/0x710 [ 2722.376299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.376299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.376299][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.376299][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.376299][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.376299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.376299][ T10] [ 2722.378108][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2722.378373][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2722.378373][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.378373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.378373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.378373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.378373][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.378373][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.378373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.378373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.378373][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.378373][ T10] netlink_unicast+0x449/0x710 [ 2722.378373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.378373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.378373][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.378373][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.378373][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.378373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.378373][ T10] [ 2722.380493][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2722.380493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.380493][ T10] ipv6_find_idev+0x102/0x170 [ 2722.380493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.380493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.380493][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.380493][ T10] netlink_unicast+0x449/0x710 [ 2722.380493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.380493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.380493][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.380493][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.380493][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.380493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.380493][ T10] [ 2722.382274][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2722.382274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.382274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.382274][ T10] ipv6_find_idev+0x102/0x170 [ 2722.382274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.382274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.382274][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.382274][ T10] netlink_unicast+0x449/0x710 [ 2722.382274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.382274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.382274][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.382274][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.382274][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.382274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.382274][ T10] [ 2722.384179][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2722.384448][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2722.384448][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.384448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.384448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.384448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.384448][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.384448][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.384448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.384448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.384448][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.384448][ T10] netlink_unicast+0x449/0x710 [ 2722.384448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.384448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.384448][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.384448][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.384448][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.384448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.384448][ T10] [ 2722.386707][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2722.386707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.386707][ T10] ipv6_find_idev+0x102/0x170 [ 2722.386707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.386707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.386707][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.386707][ T10] netlink_unicast+0x449/0x710 [ 2722.386707][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.386707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.386707][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.386707][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.386707][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.386707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.386707][ T10] [ 2722.388369][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2722.388369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.388369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.388369][ T10] ipv6_find_idev+0x102/0x170 [ 2722.388369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.388369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.388369][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.388369][ T10] netlink_unicast+0x449/0x710 [ 2722.388369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.388369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.388369][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.388369][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.388369][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.388369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.388369][ T10] [ 2722.390400][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2722.390660][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2722.390660][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.390660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.390660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.390660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.390660][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.390660][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.390660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.390660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.390660][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.390660][ T10] netlink_unicast+0x449/0x710 [ 2722.390660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.390660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.390660][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.390660][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.390660][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.390660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.390660][ T10] [ 2722.392919][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2722.392919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.392919][ T10] ipv6_find_idev+0x102/0x170 [ 2722.392919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.392919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.392919][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.392919][ T10] netlink_unicast+0x449/0x710 [ 2722.392919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.392919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.392919][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.392919][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.392919][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.392919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.392919][ T10] [ 2722.394642][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2722.394642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.394642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.394642][ T10] ipv6_find_idev+0x102/0x170 [ 2722.394642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.394642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.394642][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.394642][ T10] netlink_unicast+0x449/0x710 [ 2722.394642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.394642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.394642][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.394642][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.394642][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.394642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.394642][ T10] [ 2732.637965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2732.638457][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2732.638457][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.638457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.638457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.638457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.638457][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.638457][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.638457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.638457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.638457][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.638457][ T10] netlink_unicast+0x449/0x710 [ 2732.638457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.638457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.638457][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.638457][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.638457][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.638457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.638457][ T10] [ 2732.640524][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2732.640524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.640524][ T10] ipv6_find_idev+0x102/0x170 [ 2732.640524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.640524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.640524][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.640524][ T10] netlink_unicast+0x449/0x710 [ 2732.640524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.640524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.640524][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.640524][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.640524][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.640524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.640524][ T10] [ 2732.642034][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2732.642034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.642034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.642034][ T10] ipv6_find_idev+0x102/0x170 [ 2732.642034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.642034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.642034][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.642034][ T10] netlink_unicast+0x449/0x710 [ 2732.642034][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.642034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.642034][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.642034][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.642034][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.642034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.642034][ T10] [ 2732.643623][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2732.643925][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2732.643925][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.643925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.643925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.643925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.643925][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.643925][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.643925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.643925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.643925][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.643925][ T10] netlink_unicast+0x449/0x710 [ 2732.643925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.643925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.643925][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.643925][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.643925][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.643925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.643925][ T10] [ 2732.645867][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2732.645867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.645867][ T10] ipv6_find_idev+0x102/0x170 [ 2732.645867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.645867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.645867][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.645867][ T10] netlink_unicast+0x449/0x710 [ 2732.645867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.645867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.645867][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.645867][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.645867][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.645867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.645867][ T10] [ 2732.647425][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2732.647425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.647425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.647425][ T10] ipv6_find_idev+0x102/0x170 [ 2732.647425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.647425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.647425][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.647425][ T10] netlink_unicast+0x449/0x710 [ 2732.647425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.647425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.647425][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.647425][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.647425][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.647425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.647425][ T10] [ 2732.649129][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2732.649396][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2732.649396][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.649396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.649396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.649396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.649396][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.649396][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.649396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.649396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.649396][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.649396][ T10] netlink_unicast+0x449/0x710 [ 2732.649396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.649396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.649396][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.649396][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.649396][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.649396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.649396][ T10] [ 2732.651390][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2732.651390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.651390][ T10] ipv6_find_idev+0x102/0x170 [ 2732.651390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.651390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.651390][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.651390][ T10] netlink_unicast+0x449/0x710 [ 2732.651390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.651390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.651390][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.651390][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.651390][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.651390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.651390][ T10] [ 2732.652903][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2732.652903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.652903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.652903][ T10] ipv6_find_idev+0x102/0x170 [ 2732.652903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.652903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.652903][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.652903][ T10] netlink_unicast+0x449/0x710 [ 2732.652903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.652903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.652903][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.652903][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.652903][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.652903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.652903][ T10] [ 2732.654555][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2732.655299][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2732.655299][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.655299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.655299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.655299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.655299][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.655299][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.655299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.655299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.655299][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.655299][ T10] netlink_unicast+0x449/0x710 [ 2732.655299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.655299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.655299][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.655299][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.655299][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.655299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.655299][ T10] [ 2732.657263][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2732.657263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.657263][ T10] ipv6_find_idev+0x102/0x170 [ 2732.657263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.657263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.657263][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.657263][ T10] netlink_unicast+0x449/0x710 [ 2732.657263][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.657263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.657263][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.657263][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.657263][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.657263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.657263][ T10] [ 2732.658818][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2732.658818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.658818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.658818][ T10] ipv6_find_idev+0x102/0x170 [ 2732.658818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.658818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.658818][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.658818][ T10] netlink_unicast+0x449/0x710 [ 2732.658818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.658818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.658818][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.658818][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.658818][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.658818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.658818][ T10] [ 2732.660521][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2732.660781][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2732.660781][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.660781][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.660781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.660781][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.660781][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.660781][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.660781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.660781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.660781][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.660781][ T10] netlink_unicast+0x449/0x710 [ 2732.660781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.660781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.660781][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.660781][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.660781][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.660781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.660781][ T10] [ 2732.662771][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2732.662771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.662771][ T10] ipv6_find_idev+0x102/0x170 [ 2732.662771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.662771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.662771][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.662771][ T10] netlink_unicast+0x449/0x710 [ 2732.662771][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.662771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.662771][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.662771][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.662771][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.662771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.662771][ T10] [ 2732.664287][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2732.664287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.664287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.664287][ T10] ipv6_find_idev+0x102/0x170 [ 2732.664287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.664287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.664287][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.664287][ T10] netlink_unicast+0x449/0x710 [ 2732.664287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.664287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.664287][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.664287][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.664287][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.664287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.664287][ T10] [ 2732.665980][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2732.666247][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2732.666247][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.666247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.666247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.666247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.666247][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.666247][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.666247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.666247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.666247][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.666247][ T10] netlink_unicast+0x449/0x710 [ 2732.666247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.666247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.666247][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.666247][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.666247][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.666247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.666247][ T10] [ 2732.668355][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2732.668355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.668355][ T10] ipv6_find_idev+0x102/0x170 [ 2732.668355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.668355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.668355][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.668355][ T10] netlink_unicast+0x449/0x710 [ 2732.668355][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.668355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.668355][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.668355][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.668355][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.668355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.668355][ T10] [ 2732.670151][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2732.670151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.670151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.670151][ T10] ipv6_find_idev+0x102/0x170 [ 2732.670151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.670151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.670151][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.670151][ T10] netlink_unicast+0x449/0x710 [ 2732.670151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.670151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.670151][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.670151][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.670151][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.670151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.670151][ T10] [ 2732.672095][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2732.672357][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2732.672357][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.672357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.672357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.672357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.672357][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.672357][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.672357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.672357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.672357][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.672357][ T10] netlink_unicast+0x449/0x710 [ 2732.672357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.672357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.672357][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.672357][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.672357][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.672357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.672357][ T10] [ 2732.674573][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2732.674573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.674573][ T10] ipv6_find_idev+0x102/0x170 [ 2732.674573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.674573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.674573][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.674573][ T10] netlink_unicast+0x449/0x710 [ 2732.674573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.674573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.674573][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.674573][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.674573][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.674573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.674573][ T10] [ 2732.676304][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2732.676304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.676304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.676304][ T10] ipv6_find_idev+0x102/0x170 [ 2732.676304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.676304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.676304][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.676304][ T10] netlink_unicast+0x449/0x710 [ 2732.676304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.676304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.676304][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.676304][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.676304][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.676304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.676304][ T10] [ 2732.678215][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2732.678525][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2732.678525][ T10] netdev_get_by_index+0x5e/0x80 [ 2732.678525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2732.678525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2732.678525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2732.678525][ T10] ipv6_add_addr+0x411/0x2000 [ 2732.678525][ T10] inet6_addr_add+0x30e/0xa40 [ 2732.678525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2732.678525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.678525][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.678525][ T10] netlink_unicast+0x449/0x710 [ 2732.678525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.678525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.678525][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.678525][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.678525][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.678525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.678525][ T10] [ 2732.681267][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2732.681267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2732.681267][ T10] ipv6_find_idev+0x102/0x170 [ 2732.681267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.681267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.681267][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.681267][ T10] netlink_unicast+0x449/0x710 [ 2732.681267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.681267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.681267][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.681267][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.681267][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.681267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.681267][ T10] [ 2732.683007][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2732.683007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2732.683007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2732.683007][ T10] ipv6_find_idev+0x102/0x170 [ 2732.683007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2732.683007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2732.683007][ T10] netlink_rcv_skb+0x130/0x360 [ 2732.683007][ T10] netlink_unicast+0x449/0x710 [ 2732.683007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2732.683007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2732.683007][ T10] ___sys_sendmsg+0xee/0x170 [ 2732.683007][ T10] __sys_sendmsg+0xcd/0x170 [ 2732.683007][ T10] do_syscall_64+0xc6/0x1e0 [ 2732.683007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2732.683007][ T10] [ 2742.925962][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2742.926451][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2742.926451][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.926451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.926451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.926451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.926451][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.926451][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.926451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.926451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.926451][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.926451][ T10] netlink_unicast+0x449/0x710 [ 2742.926451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.926451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.926451][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.926451][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.926451][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.926451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.926451][ T10] [ 2742.928468][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2742.928468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.928468][ T10] ipv6_find_idev+0x102/0x170 [ 2742.928468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.928468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.928468][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.928468][ T10] netlink_unicast+0x449/0x710 [ 2742.928468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.928468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.928468][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.928468][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.928468][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.928468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.928468][ T10] [ 2742.930053][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2742.930053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.930053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.930053][ T10] ipv6_find_idev+0x102/0x170 [ 2742.930053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.930053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.930053][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.930053][ T10] netlink_unicast+0x449/0x710 [ 2742.930053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.930053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.930053][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.930053][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.930053][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.930053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.930053][ T10] [ 2742.931753][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2742.932027][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2742.932027][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.932027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.932027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.932027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.932027][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.932027][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.932027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.932027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.932027][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.932027][ T10] netlink_unicast+0x449/0x710 [ 2742.932027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.932027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.932027][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.932027][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.932027][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.932027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.932027][ T10] [ 2742.933988][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2742.933988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.933988][ T10] ipv6_find_idev+0x102/0x170 [ 2742.933988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.933988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.933988][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.933988][ T10] netlink_unicast+0x449/0x710 [ 2742.933988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.933988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.933988][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.933988][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.933988][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.933988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.933988][ T10] [ 2742.935493][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2742.935493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.935493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.935493][ T10] ipv6_find_idev+0x102/0x170 [ 2742.935493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.935493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.935493][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.935493][ T10] netlink_unicast+0x449/0x710 [ 2742.935493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.935493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.935493][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.935493][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.935493][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.935493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.935493][ T10] [ 2742.937180][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2742.937446][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2742.937446][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.937446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.937446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.937446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.937446][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.937446][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.937446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.937446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.937446][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.937446][ T10] netlink_unicast+0x449/0x710 [ 2742.937446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.937446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.937446][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.937446][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.937446][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.937446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.937446][ T10] [ 2742.939866][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2742.939866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.939866][ T10] ipv6_find_idev+0x102/0x170 [ 2742.939866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.939866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.939866][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.939866][ T10] netlink_unicast+0x449/0x710 [ 2742.939866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.939866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.939866][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.939866][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.939866][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.939866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.939866][ T10] [ 2742.941391][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2742.941391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.941391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.941391][ T10] ipv6_find_idev+0x102/0x170 [ 2742.941391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.941391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.941391][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.941391][ T10] netlink_unicast+0x449/0x710 [ 2742.941391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.941391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.941391][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.941391][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.941391][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.941391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.941391][ T10] [ 2742.943063][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2742.943326][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2742.943326][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.943326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.943326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.943326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.943326][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.943326][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.943326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.943326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.943326][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.943326][ T10] netlink_unicast+0x449/0x710 [ 2742.943326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.943326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.943326][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.943326][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.943326][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.943326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.943326][ T10] [ 2742.945361][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2742.945361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.945361][ T10] ipv6_find_idev+0x102/0x170 [ 2742.945361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.945361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.945361][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.945361][ T10] netlink_unicast+0x449/0x710 [ 2742.945361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.945361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.945361][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.945361][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.945361][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.945361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.945361][ T10] [ 2742.946919][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2742.946919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.946919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.946919][ T10] ipv6_find_idev+0x102/0x170 [ 2742.946919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.946919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.946919][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.946919][ T10] netlink_unicast+0x449/0x710 [ 2742.946919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.946919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.946919][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.946919][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.946919][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.946919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.946919][ T10] [ 2742.949042][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2742.949310][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2742.949310][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.949310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.949310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.949310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.949310][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.949310][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.949310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.949310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.949310][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.949310][ T10] netlink_unicast+0x449/0x710 [ 2742.949310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.949310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.949310][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.949310][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.949310][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.949310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.949310][ T10] [ 2742.951319][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2742.951319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.951319][ T10] ipv6_find_idev+0x102/0x170 [ 2742.951319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.951319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.951319][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.951319][ T10] netlink_unicast+0x449/0x710 [ 2742.951319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.951319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.951319][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.951319][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.951319][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.951319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.951319][ T10] [ 2742.952883][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2742.952883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.952883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.952883][ T10] ipv6_find_idev+0x102/0x170 [ 2742.952883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.952883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.952883][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.952883][ T10] netlink_unicast+0x449/0x710 [ 2742.952883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.952883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.952883][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.952883][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.952883][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.952883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.952883][ T10] [ 2742.954606][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2742.954925][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2742.954925][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.954925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.954925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.954925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.954925][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.954925][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.954925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.954925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.954925][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.954925][ T10] netlink_unicast+0x449/0x710 [ 2742.954925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.954925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.954925][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.954925][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.954925][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.954925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.954925][ T10] [ 2742.957031][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2742.957031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.957031][ T10] ipv6_find_idev+0x102/0x170 [ 2742.957031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.957031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.957031][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.957031][ T10] netlink_unicast+0x449/0x710 [ 2742.957031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.957031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.957031][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.957031][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.957031][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.957031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.957031][ T10] [ 2742.958703][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2742.958703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.958703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.958703][ T10] ipv6_find_idev+0x102/0x170 [ 2742.958703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.958703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.958703][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.958703][ T10] netlink_unicast+0x449/0x710 [ 2742.958703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.958703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.958703][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.958703][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.958703][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.958703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.958703][ T10] [ 2742.960708][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2742.961027][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2742.961027][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.961027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.961027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.961027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.961027][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.961027][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.961027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.961027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.961027][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.961027][ T10] netlink_unicast+0x449/0x710 [ 2742.961027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.961027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.961027][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.961027][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.961027][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.961027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.961027][ T10] [ 2742.963208][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2742.963208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.963208][ T10] ipv6_find_idev+0x102/0x170 [ 2742.963208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.963208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.963208][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.963208][ T10] netlink_unicast+0x449/0x710 [ 2742.963208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.963208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.963208][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.963208][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.963208][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.963208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.963208][ T10] [ 2742.964921][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2742.964921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.964921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.964921][ T10] ipv6_find_idev+0x102/0x170 [ 2742.964921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.964921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.964921][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.964921][ T10] netlink_unicast+0x449/0x710 [ 2742.964921][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.964921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.964921][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.964921][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.964921][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.964921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.964921][ T10] [ 2742.966816][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2742.967080][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2742.967080][ T10] netdev_get_by_index+0x5e/0x80 [ 2742.967080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2742.967080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2742.967080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2742.967080][ T10] ipv6_add_addr+0x411/0x2000 [ 2742.967080][ T10] inet6_addr_add+0x30e/0xa40 [ 2742.967080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2742.967080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.967080][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.967080][ T10] netlink_unicast+0x449/0x710 [ 2742.967080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.967080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.967080][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.967080][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.967080][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.967080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.967080][ T10] [ 2742.969325][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2742.969325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2742.969325][ T10] ipv6_find_idev+0x102/0x170 [ 2742.969325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.969325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.969325][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.969325][ T10] netlink_unicast+0x449/0x710 [ 2742.969325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.969325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.969325][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.969325][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.969325][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.969325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.969325][ T10] [ 2742.971092][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2742.971092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2742.971092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2742.971092][ T10] ipv6_find_idev+0x102/0x170 [ 2742.971092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2742.971092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2742.971092][ T10] netlink_rcv_skb+0x130/0x360 [ 2742.971092][ T10] netlink_unicast+0x449/0x710 [ 2742.971092][ T10] netlink_sendmsg+0x723/0xbe0 [ 2742.971092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2742.971092][ T10] ___sys_sendmsg+0xee/0x170 [ 2742.971092][ T10] __sys_sendmsg+0xcd/0x170 [ 2742.971092][ T10] do_syscall_64+0xc6/0x1e0 [ 2742.971092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2742.971092][ T10] [ 2753.118006][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2753.118598][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2753.118598][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.118598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.118598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.118598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.118598][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.118598][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.118598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.118598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.118598][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.118598][ T10] netlink_unicast+0x449/0x710 [ 2753.118598][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.118598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.118598][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.118598][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.118598][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.118598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.118598][ T10] [ 2753.120512][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2753.120512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.120512][ T10] ipv6_find_idev+0x102/0x170 [ 2753.120512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.120512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.120512][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.120512][ T10] netlink_unicast+0x449/0x710 [ 2753.120512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.120512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.120512][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.120512][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.120512][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.120512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.120512][ T10] [ 2753.122086][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2753.122086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.122086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.122086][ T10] ipv6_find_idev+0x102/0x170 [ 2753.122086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.122086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.122086][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.122086][ T10] netlink_unicast+0x449/0x710 [ 2753.122086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.122086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.122086][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.122086][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.122086][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.122086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.122086][ T10] [ 2753.123739][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2753.124027][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2753.124027][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.124027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.124027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.124027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.124027][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.124027][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.124027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.124027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.124027][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.124027][ T10] netlink_unicast+0x449/0x710 [ 2753.124027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.124027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.124027][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.124027][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.124027][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.124027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.124027][ T10] [ 2753.125998][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2753.125998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.125998][ T10] ipv6_find_idev+0x102/0x170 [ 2753.125998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.125998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.125998][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.125998][ T10] netlink_unicast+0x449/0x710 [ 2753.125998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.125998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.125998][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.125998][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.125998][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.125998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.125998][ T10] [ 2753.127590][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2753.127590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.127590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.127590][ T10] ipv6_find_idev+0x102/0x170 [ 2753.127590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.127590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.127590][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.127590][ T10] netlink_unicast+0x449/0x710 [ 2753.127590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.127590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.127590][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.127590][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.127590][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.127590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.127590][ T10] [ 2753.129314][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2753.129617][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2753.129617][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.129617][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.129617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.129617][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.129617][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.129617][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.129617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.129617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.129617][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.129617][ T10] netlink_unicast+0x449/0x710 [ 2753.129617][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.129617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.129617][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.129617][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.129617][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.129617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.129617][ T10] [ 2753.131644][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2753.131644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.131644][ T10] ipv6_find_idev+0x102/0x170 [ 2753.131644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.131644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.131644][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.131644][ T10] netlink_unicast+0x449/0x710 [ 2753.131644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.131644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.131644][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.131644][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.131644][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.131644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.131644][ T10] [ 2753.133213][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2753.133213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.133213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.133213][ T10] ipv6_find_idev+0x102/0x170 [ 2753.133213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.133213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.133213][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.133213][ T10] netlink_unicast+0x449/0x710 [ 2753.133213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.133213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.133213][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.133213][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.133213][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.133213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.133213][ T10] [ 2753.134934][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2753.135210][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2753.135210][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.135210][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.135210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.135210][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.135210][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.135210][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.135210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.135210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.135210][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.135210][ T10] netlink_unicast+0x449/0x710 [ 2753.135210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.135210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.135210][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.135210][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.135210][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.135210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.135210][ T10] [ 2753.137260][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2753.137260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.137260][ T10] ipv6_find_idev+0x102/0x170 [ 2753.137260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.137260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.137260][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.137260][ T10] netlink_unicast+0x449/0x710 [ 2753.137260][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.137260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.137260][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.137260][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.137260][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.137260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.137260][ T10] [ 2753.138799][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2753.138799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.138799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.138799][ T10] ipv6_find_idev+0x102/0x170 [ 2753.138799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.138799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.138799][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.138799][ T10] netlink_unicast+0x449/0x710 [ 2753.138799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.138799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.138799][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.138799][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.138799][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.138799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.138799][ T10] [ 2753.140534][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2753.140799][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2753.140799][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.140799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.140799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.140799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.140799][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.140799][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.140799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.140799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.140799][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.140799][ T10] netlink_unicast+0x449/0x710 [ 2753.140799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.140799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.140799][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.140799][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.140799][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.140799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.140799][ T10] [ 2753.142851][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2753.142851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.142851][ T10] ipv6_find_idev+0x102/0x170 [ 2753.142851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.142851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.142851][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.142851][ T10] netlink_unicast+0x449/0x710 [ 2753.142851][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.142851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.142851][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.142851][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.142851][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.142851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.142851][ T10] [ 2753.144461][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2753.144461][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.144461][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.144461][ T10] ipv6_find_idev+0x102/0x170 [ 2753.144461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.144461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.144461][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.144461][ T10] netlink_unicast+0x449/0x710 [ 2753.144461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.144461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.144461][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.144461][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.144461][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.144461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.144461][ T10] [ 2753.146393][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2753.146674][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2753.146674][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.146674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.146674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.146674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.146674][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.146674][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.146674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.146674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.146674][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.146674][ T10] netlink_unicast+0x449/0x710 [ 2753.146674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.146674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.146674][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.146674][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.146674][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.146674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.146674][ T10] [ 2753.149026][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2753.149026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.149026][ T10] ipv6_find_idev+0x102/0x170 [ 2753.149026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.149026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.149026][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.149026][ T10] netlink_unicast+0x449/0x710 [ 2753.149026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.149026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.149026][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.149026][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.149026][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.149026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.149026][ T10] [ 2753.150758][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2753.150758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.150758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.150758][ T10] ipv6_find_idev+0x102/0x170 [ 2753.150758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.150758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.150758][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.150758][ T10] netlink_unicast+0x449/0x710 [ 2753.150758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.150758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.150758][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.150758][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.150758][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.150758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.150758][ T10] [ 2753.152716][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2753.153042][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2753.153042][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.153042][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.153042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.153042][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.153042][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.153042][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.153042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.153042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.153042][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.153042][ T10] netlink_unicast+0x449/0x710 [ 2753.153042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.153042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.153042][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.153042][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.153042][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.153042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.153042][ T10] [ 2753.155218][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2753.155218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.155218][ T10] ipv6_find_idev+0x102/0x170 [ 2753.155218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.155218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.155218][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.155218][ T10] netlink_unicast+0x449/0x710 [ 2753.155218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.155218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.155218][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.155218][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.155218][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.155218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.155218][ T10] [ 2753.156912][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2753.156912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.156912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.156912][ T10] ipv6_find_idev+0x102/0x170 [ 2753.156912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.156912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.156912][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.156912][ T10] netlink_unicast+0x449/0x710 [ 2753.156912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.156912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.156912][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.156912][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.156912][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.156912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.156912][ T10] [ 2753.158840][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2753.159113][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2753.159113][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.159113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.159113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.159113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.159113][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.159113][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.159113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.159113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.159113][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.159113][ T10] netlink_unicast+0x449/0x710 [ 2753.159113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.159113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.159113][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.159113][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.159113][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.159113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.159113][ T10] [ 2753.161807][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2753.161807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.161807][ T10] ipv6_find_idev+0x102/0x170 [ 2753.161807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.161807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.161807][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.161807][ T10] netlink_unicast+0x449/0x710 [ 2753.161807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.161807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.161807][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.161807][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.161807][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.161807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.161807][ T10] [ 2753.163544][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2753.163544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.163544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.163544][ T10] ipv6_find_idev+0x102/0x170 [ 2753.163544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.163544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.163544][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.163544][ T10] netlink_unicast+0x449/0x710 [ 2753.163544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.163544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.163544][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.163544][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.163544][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.163544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.163544][ T10] [ 2763.166008][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2763.166564][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2763.166564][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.166564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.166564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.166564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.166564][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.166564][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.166564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.166564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.166564][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.166564][ T10] netlink_unicast+0x449/0x710 [ 2763.166564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.166564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.166564][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.166564][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.166564][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.166564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.166564][ T10] [ 2763.168605][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2763.168605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.168605][ T10] ipv6_find_idev+0x102/0x170 [ 2763.168605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.168605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.168605][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.168605][ T10] netlink_unicast+0x449/0x710 [ 2763.168605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.168605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.168605][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.168605][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.168605][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.168605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.168605][ T10] [ 2763.170095][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2763.170095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.170095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.170095][ T10] ipv6_find_idev+0x102/0x170 [ 2763.170095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.170095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.170095][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.170095][ T10] netlink_unicast+0x449/0x710 [ 2763.170095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.170095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.170095][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.170095][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.170095][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.170095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.170095][ T10] [ 2763.171699][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2763.171987][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2763.171987][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.171987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.171987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.171987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.171987][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.171987][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.171987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.171987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.171987][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.171987][ T10] netlink_unicast+0x449/0x710 [ 2763.171987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.171987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.171987][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.171987][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.171987][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.171987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.171987][ T10] [ 2763.174050][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2763.174050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.174050][ T10] ipv6_find_idev+0x102/0x170 [ 2763.174050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.174050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.174050][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.174050][ T10] netlink_unicast+0x449/0x710 [ 2763.174050][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.174050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.174050][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.174050][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.174050][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.174050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.174050][ T10] [ 2763.175634][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2763.175634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.175634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.175634][ T10] ipv6_find_idev+0x102/0x170 [ 2763.175634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.175634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.175634][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.175634][ T10] netlink_unicast+0x449/0x710 [ 2763.175634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.175634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.175634][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.175634][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.175634][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.175634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.175634][ T10] [ 2763.177412][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2763.177703][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2763.177703][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.177703][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.177703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.177703][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.177703][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.177703][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.177703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.177703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.177703][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.177703][ T10] netlink_unicast+0x449/0x710 [ 2763.177703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.177703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.177703][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.177703][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.177703][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.177703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.177703][ T10] [ 2763.179861][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2763.179861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.179861][ T10] ipv6_find_idev+0x102/0x170 [ 2763.179861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.179861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.179861][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.179861][ T10] netlink_unicast+0x449/0x710 [ 2763.179861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.179861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.179861][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.179861][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.179861][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.179861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.179861][ T10] [ 2763.181455][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2763.181455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.181455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.181455][ T10] ipv6_find_idev+0x102/0x170 [ 2763.181455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.181455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.181455][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.181455][ T10] netlink_unicast+0x449/0x710 [ 2763.181455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.181455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.181455][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.181455][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.181455][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.181455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.181455][ T10] [ 2763.183220][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2763.183486][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2763.183486][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.183486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.183486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.183486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.183486][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.183486][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.183486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.183486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.183486][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.183486][ T10] netlink_unicast+0x449/0x710 [ 2763.183486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.183486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.183486][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.183486][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.183486][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.183486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.183486][ T10] [ 2763.185633][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2763.185633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.185633][ T10] ipv6_find_idev+0x102/0x170 [ 2763.185633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.185633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.185633][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.185633][ T10] netlink_unicast+0x449/0x710 [ 2763.185633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.185633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.185633][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.185633][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.185633][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.185633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.185633][ T10] [ 2763.187272][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2763.187272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.187272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.187272][ T10] ipv6_find_idev+0x102/0x170 [ 2763.187272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.187272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.187272][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.187272][ T10] netlink_unicast+0x449/0x710 [ 2763.187272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.187272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.187272][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.187272][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.187272][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.187272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.187272][ T10] [ 2763.189097][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2763.189385][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2763.189385][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.189385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.189385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.189385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.189385][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.189385][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.189385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.189385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.189385][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.189385][ T10] netlink_unicast+0x449/0x710 [ 2763.189385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.189385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.189385][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.189385][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.189385][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.189385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.189385][ T10] [ 2763.191456][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2763.191456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.191456][ T10] ipv6_find_idev+0x102/0x170 [ 2763.191456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.191456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.191456][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.191456][ T10] netlink_unicast+0x449/0x710 [ 2763.191456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.191456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.191456][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.191456][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.191456][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.191456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.191456][ T10] [ 2763.193060][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2763.193060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.193060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.193060][ T10] ipv6_find_idev+0x102/0x170 [ 2763.193060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.193060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.193060][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.193060][ T10] netlink_unicast+0x449/0x710 [ 2763.193060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.193060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.193060][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.193060][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.193060][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.193060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.193060][ T10] [ 2763.195159][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2763.195484][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2763.195484][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.195484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.195484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.195484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.195484][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.195484][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.195484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.195484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.195484][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.195484][ T10] netlink_unicast+0x449/0x710 [ 2763.195484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.195484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.195484][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.195484][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.195484][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.195484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.195484][ T10] [ 2763.197742][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2763.197742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.197742][ T10] ipv6_find_idev+0x102/0x170 [ 2763.197742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.197742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.197742][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.197742][ T10] netlink_unicast+0x449/0x710 [ 2763.197742][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.197742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.197742][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.197742][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.197742][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.197742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.197742][ T10] [ 2763.199542][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2763.199542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.199542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.199542][ T10] ipv6_find_idev+0x102/0x170 [ 2763.199542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.199542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.199542][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.199542][ T10] netlink_unicast+0x449/0x710 [ 2763.199542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.199542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.199542][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.199542][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.199542][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.199542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.199542][ T10] [ 2763.201504][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2763.201779][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2763.201779][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.201779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.201779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.201779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.201779][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.201779][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.201779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.201779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.201779][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.201779][ T10] netlink_unicast+0x449/0x710 [ 2763.201779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.201779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.201779][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.201779][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.201779][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.201779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.201779][ T10] [ 2763.204120][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2763.204120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.204120][ T10] ipv6_find_idev+0x102/0x170 [ 2763.204120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.204120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.204120][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.204120][ T10] netlink_unicast+0x449/0x710 [ 2763.204120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.204120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.204120][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.204120][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.204120][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.204120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.204120][ T10] [ 2763.205836][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2763.205836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.205836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.205836][ T10] ipv6_find_idev+0x102/0x170 [ 2763.205836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.205836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.205836][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.205836][ T10] netlink_unicast+0x449/0x710 [ 2763.205836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.205836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.205836][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.205836][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.205836][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.205836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.205836][ T10] [ 2763.207945][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2763.208214][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2763.208214][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.208214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.208214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.208214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.208214][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.208214][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.208214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.208214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.208214][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.208214][ T10] netlink_unicast+0x449/0x710 [ 2763.208214][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.208214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.208214][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.208214][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.208214][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.208214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.208214][ T10] [ 2763.210503][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2763.210503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.210503][ T10] ipv6_find_idev+0x102/0x170 [ 2763.210503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.210503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.210503][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.210503][ T10] netlink_unicast+0x449/0x710 [ 2763.210503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.210503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.210503][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.210503][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.210503][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.210503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.210503][ T10] [ 2763.212314][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2763.212314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.212314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.212314][ T10] ipv6_find_idev+0x102/0x170 [ 2763.212314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.212314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.212314][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.212314][ T10] netlink_unicast+0x449/0x710 [ 2763.212314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.212314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.212314][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.212314][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.212314][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.212314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.212314][ T10] [ 2773.453901][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2773.454432][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2773.454432][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.454432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.454432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.454432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.454432][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.454432][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.454432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.454432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.454432][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.454432][ T10] netlink_unicast+0x449/0x710 [ 2773.454432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.454432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.454432][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.454432][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.454432][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.454432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.454432][ T10] [ 2773.456553][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2773.456553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.456553][ T10] ipv6_find_idev+0x102/0x170 [ 2773.456553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.456553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.456553][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.456553][ T10] netlink_unicast+0x449/0x710 [ 2773.456553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.456553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.456553][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.456553][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.456553][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.456553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.456553][ T10] [ 2773.458179][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2773.458179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.458179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.458179][ T10] ipv6_find_idev+0x102/0x170 [ 2773.458179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.458179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.458179][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.458179][ T10] netlink_unicast+0x449/0x710 [ 2773.458179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.458179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.458179][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.458179][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.458179][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.458179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.458179][ T10] [ 2773.459988][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2773.460267][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2773.460267][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.460267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.460267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.460267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.460267][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.460267][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.460267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.460267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.460267][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.460267][ T10] netlink_unicast+0x449/0x710 [ 2773.460267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.460267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.460267][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.460267][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.460267][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.460267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.460267][ T10] [ 2773.462290][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2773.462290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.462290][ T10] ipv6_find_idev+0x102/0x170 [ 2773.462290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.462290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.462290][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.462290][ T10] netlink_unicast+0x449/0x710 [ 2773.462290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.462290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.462290][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.462290][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.462290][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.462290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.462290][ T10] [ 2773.463890][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2773.463890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.463890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.463890][ T10] ipv6_find_idev+0x102/0x170 [ 2773.463890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.463890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.463890][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.463890][ T10] netlink_unicast+0x449/0x710 [ 2773.463890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.463890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.463890][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.463890][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.463890][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.463890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.463890][ T10] [ 2773.465580][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2773.465891][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2773.465891][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.465891][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.465891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.465891][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.465891][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.465891][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.465891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.465891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.465891][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.465891][ T10] netlink_unicast+0x449/0x710 [ 2773.465891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.465891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.465891][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.465891][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.465891][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.465891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.465891][ T10] [ 2773.467939][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2773.467939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.467939][ T10] ipv6_find_idev+0x102/0x170 [ 2773.467939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.467939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.467939][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.467939][ T10] netlink_unicast+0x449/0x710 [ 2773.467939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.467939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.467939][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.467939][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.467939][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.467939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.467939][ T10] [ 2773.469618][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2773.469618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.469618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.469618][ T10] ipv6_find_idev+0x102/0x170 [ 2773.469618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.469618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.469618][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.469618][ T10] netlink_unicast+0x449/0x710 [ 2773.469618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.469618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.469618][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.469618][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.469618][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.469618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.469618][ T10] [ 2773.471385][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2773.471658][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2773.471658][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.471658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.471658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.471658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.471658][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.471658][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.471658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.471658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.471658][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.471658][ T10] netlink_unicast+0x449/0x710 [ 2773.471658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.471658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.471658][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.471658][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.471658][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.471658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.471658][ T10] [ 2773.473759][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2773.473759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.473759][ T10] ipv6_find_idev+0x102/0x170 [ 2773.473759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.473759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.473759][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.473759][ T10] netlink_unicast+0x449/0x710 [ 2773.473759][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.473759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.473759][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.473759][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.473759][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.473759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.473759][ T10] [ 2773.475349][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2773.475349][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.475349][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.475349][ T10] ipv6_find_idev+0x102/0x170 [ 2773.475349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.475349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.475349][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.475349][ T10] netlink_unicast+0x449/0x710 [ 2773.475349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.475349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.475349][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.475349][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.475349][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.475349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.475349][ T10] [ 2773.477428][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2773.477691][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2773.477691][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.477691][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.477691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.477691][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.477691][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.477691][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.477691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.477691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.477691][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.477691][ T10] netlink_unicast+0x449/0x710 [ 2773.477691][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.477691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.477691][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.477691][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.477691][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.477691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.477691][ T10] [ 2773.479700][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2773.479700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.479700][ T10] ipv6_find_idev+0x102/0x170 [ 2773.479700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.479700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.479700][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.479700][ T10] netlink_unicast+0x449/0x710 [ 2773.479700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.479700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.479700][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.479700][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.479700][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.479700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.479700][ T10] [ 2773.481251][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2773.481251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.481251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.481251][ T10] ipv6_find_idev+0x102/0x170 [ 2773.481251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.481251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.481251][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.481251][ T10] netlink_unicast+0x449/0x710 [ 2773.481251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.481251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.481251][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.481251][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.481251][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.481251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.481251][ T10] [ 2773.482991][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2773.483258][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2773.483258][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.483258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.483258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.483258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.483258][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.483258][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.483258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.483258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.483258][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.483258][ T10] netlink_unicast+0x449/0x710 [ 2773.483258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.483258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.483258][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.483258][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.483258][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.483258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.483258][ T10] [ 2773.485410][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2773.485410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.485410][ T10] ipv6_find_idev+0x102/0x170 [ 2773.485410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.485410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.485410][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.485410][ T10] netlink_unicast+0x449/0x710 [ 2773.485410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.485410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.485410][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.485410][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.485410][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.485410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.485410][ T10] [ 2773.487214][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2773.487214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.487214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.487214][ T10] ipv6_find_idev+0x102/0x170 [ 2773.487214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.487214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.487214][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.487214][ T10] netlink_unicast+0x449/0x710 [ 2773.487214][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.487214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.487214][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.487214][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.487214][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.487214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.487214][ T10] [ 2773.489131][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2773.489405][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2773.489405][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.489405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.489405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.489405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.489405][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.489405][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.489405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.489405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.489405][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.489405][ T10] netlink_unicast+0x449/0x710 [ 2773.489405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.489405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.489405][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.489405][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.489405][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.489405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.489405][ T10] [ 2773.491580][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2773.491580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.491580][ T10] ipv6_find_idev+0x102/0x170 [ 2773.491580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.491580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.491580][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.491580][ T10] netlink_unicast+0x449/0x710 [ 2773.491580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.491580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.491580][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.491580][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.491580][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.491580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.491580][ T10] [ 2773.493293][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2773.493293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.493293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.493293][ T10] ipv6_find_idev+0x102/0x170 [ 2773.493293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.493293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.493293][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.493293][ T10] netlink_unicast+0x449/0x710 [ 2773.493293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.493293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.493293][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.493293][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.493293][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.493293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.493293][ T10] [ 2773.495203][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2773.495468][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2773.495468][ T10] netdev_get_by_index+0x5e/0x80 [ 2773.495468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2773.495468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2773.495468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2773.495468][ T10] ipv6_add_addr+0x411/0x2000 [ 2773.495468][ T10] inet6_addr_add+0x30e/0xa40 [ 2773.495468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2773.495468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.495468][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.495468][ T10] netlink_unicast+0x449/0x710 [ 2773.495468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.495468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.495468][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.495468][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.495468][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.495468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.495468][ T10] [ 2773.497782][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2773.497782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2773.497782][ T10] ipv6_find_idev+0x102/0x170 [ 2773.497782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.497782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.497782][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.497782][ T10] netlink_unicast+0x449/0x710 [ 2773.497782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.497782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.497782][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.497782][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.497782][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.497782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.497782][ T10] [ 2773.499488][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2773.499488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2773.499488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2773.499488][ T10] ipv6_find_idev+0x102/0x170 [ 2773.499488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2773.499488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2773.499488][ T10] netlink_rcv_skb+0x130/0x360 [ 2773.499488][ T10] netlink_unicast+0x449/0x710 [ 2773.499488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2773.499488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2773.499488][ T10] ___sys_sendmsg+0xee/0x170 [ 2773.499488][ T10] __sys_sendmsg+0xcd/0x170 [ 2773.499488][ T10] do_syscall_64+0xc6/0x1e0 [ 2773.499488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2773.499488][ T10] [ 2783.685959][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2783.686514][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2783.686514][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.686514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.686514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.686514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.686514][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.686514][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.686514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.686514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.686514][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.686514][ T10] netlink_unicast+0x449/0x710 [ 2783.686514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.686514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.686514][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.686514][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.686514][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.686514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.686514][ T10] [ 2783.688562][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2783.688562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.688562][ T10] ipv6_find_idev+0x102/0x170 [ 2783.688562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.688562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.688562][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.688562][ T10] netlink_unicast+0x449/0x710 [ 2783.688562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.688562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.688562][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.688562][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.688562][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.688562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.688562][ T10] [ 2783.690019][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2783.690019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.690019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.690019][ T10] ipv6_find_idev+0x102/0x170 [ 2783.690019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.690019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.690019][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.690019][ T10] netlink_unicast+0x449/0x710 [ 2783.690019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.690019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.690019][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.690019][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.690019][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.690019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.690019][ T10] [ 2783.691627][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2783.691914][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2783.691914][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.691914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.691914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.691914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.691914][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.691914][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.691914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.691914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.691914][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.691914][ T10] netlink_unicast+0x449/0x710 [ 2783.691914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.691914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.691914][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.691914][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.691914][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.691914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.691914][ T10] [ 2783.693874][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2783.693874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.693874][ T10] ipv6_find_idev+0x102/0x170 [ 2783.693874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.693874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.693874][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.693874][ T10] netlink_unicast+0x449/0x710 [ 2783.693874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.693874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.693874][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.693874][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.693874][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.693874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.693874][ T10] [ 2783.695417][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2783.695417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.695417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.695417][ T10] ipv6_find_idev+0x102/0x170 [ 2783.695417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.695417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.695417][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.695417][ T10] netlink_unicast+0x449/0x710 [ 2783.695417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.695417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.695417][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.695417][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.695417][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.695417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.695417][ T10] [ 2783.697025][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2783.697282][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2783.697282][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.697282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.697282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.697282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.697282][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.697282][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.697282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.697282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.697282][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.697282][ T10] netlink_unicast+0x449/0x710 [ 2783.697282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.697282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.697282][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.697282][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.697282][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.697282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.697282][ T10] [ 2783.699324][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2783.699324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.699324][ T10] ipv6_find_idev+0x102/0x170 [ 2783.699324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.699324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.699324][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.699324][ T10] netlink_unicast+0x449/0x710 [ 2783.699324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.699324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.699324][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.699324][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.699324][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.699324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.699324][ T10] [ 2783.700877][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2783.700877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.700877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.700877][ T10] ipv6_find_idev+0x102/0x170 [ 2783.700877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.700877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.700877][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.700877][ T10] netlink_unicast+0x449/0x710 [ 2783.700877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.700877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.700877][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.700877][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.700877][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.700877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.700877][ T10] [ 2783.702864][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2783.703110][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2783.703110][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.703110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.703110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.703110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.703110][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.703110][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.703110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.703110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.703110][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.703110][ T10] netlink_unicast+0x449/0x710 [ 2783.703110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.703110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.703110][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.703110][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.703110][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.703110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.703110][ T10] [ 2783.704969][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2783.704969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.704969][ T10] ipv6_find_idev+0x102/0x170 [ 2783.704969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.704969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.704969][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.704969][ T10] netlink_unicast+0x449/0x710 [ 2783.704969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.704969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.704969][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.704969][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.704969][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.704969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.704969][ T10] [ 2783.706402][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2783.706402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.706402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.706402][ T10] ipv6_find_idev+0x102/0x170 [ 2783.706402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.706402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.706402][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.706402][ T10] netlink_unicast+0x449/0x710 [ 2783.706402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.706402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.706402][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.706402][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.706402][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.706402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.706402][ T10] [ 2783.708023][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2783.708278][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2783.708278][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.708278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.708278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.708278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.708278][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.708278][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.708278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.708278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.708278][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.708278][ T10] netlink_unicast+0x449/0x710 [ 2783.708278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.708278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.708278][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.708278][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.708278][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.708278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.708278][ T10] [ 2783.710484][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2783.710484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.710484][ T10] ipv6_find_idev+0x102/0x170 [ 2783.710484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.710484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.710484][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.710484][ T10] netlink_unicast+0x449/0x710 [ 2783.710484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.710484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.710484][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.710484][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.710484][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.710484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.710484][ T10] [ 2783.712117][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2783.712117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.712117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.712117][ T10] ipv6_find_idev+0x102/0x170 [ 2783.712117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.712117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.712117][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.712117][ T10] netlink_unicast+0x449/0x710 [ 2783.712117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.712117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.712117][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.712117][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.712117][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.712117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.712117][ T10] [ 2783.713867][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2783.714139][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2783.714139][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.714139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.714139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.714139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.714139][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.714139][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.714139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.714139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.714139][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.714139][ T10] netlink_unicast+0x449/0x710 [ 2783.714139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.714139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.714139][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.714139][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.714139][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.714139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.714139][ T10] [ 2783.716379][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2783.716379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.716379][ T10] ipv6_find_idev+0x102/0x170 [ 2783.716379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.716379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.716379][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.716379][ T10] netlink_unicast+0x449/0x710 [ 2783.716379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.716379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.716379][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.716379][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.716379][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.716379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.716379][ T10] [ 2783.718240][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2783.718240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.718240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.718240][ T10] ipv6_find_idev+0x102/0x170 [ 2783.718240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.718240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.718240][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.718240][ T10] netlink_unicast+0x449/0x710 [ 2783.718240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.718240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.718240][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.718240][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.718240][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.718240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.718240][ T10] [ 2783.720251][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2783.720528][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2783.720528][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.720528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.720528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.720528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.720528][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.720528][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.720528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.720528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.720528][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.720528][ T10] netlink_unicast+0x449/0x710 [ 2783.720528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.720528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.720528][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.720528][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.720528][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.720528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.720528][ T10] [ 2783.722835][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2783.722835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.722835][ T10] ipv6_find_idev+0x102/0x170 [ 2783.722835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.722835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.722835][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.722835][ T10] netlink_unicast+0x449/0x710 [ 2783.722835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.722835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.722835][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.722835][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.722835][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.722835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.722835][ T10] [ 2783.724556][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2783.724556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.724556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.724556][ T10] ipv6_find_idev+0x102/0x170 [ 2783.724556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.724556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.724556][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.724556][ T10] netlink_unicast+0x449/0x710 [ 2783.724556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.724556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.724556][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.724556][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.724556][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.724556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.724556][ T10] [ 2783.726581][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2783.726913][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2783.726913][ T10] netdev_get_by_index+0x5e/0x80 [ 2783.726913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2783.726913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2783.726913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2783.726913][ T10] ipv6_add_addr+0x411/0x2000 [ 2783.726913][ T10] inet6_addr_add+0x30e/0xa40 [ 2783.726913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2783.726913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.726913][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.726913][ T10] netlink_unicast+0x449/0x710 [ 2783.726913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.726913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.726913][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.726913][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.726913][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.726913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.726913][ T10] [ 2783.729198][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2783.729198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2783.729198][ T10] ipv6_find_idev+0x102/0x170 [ 2783.729198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.729198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.729198][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.729198][ T10] netlink_unicast+0x449/0x710 [ 2783.729198][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.729198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.729198][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.729198][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.729198][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.729198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.729198][ T10] [ 2783.731010][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2783.731010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2783.731010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2783.731010][ T10] ipv6_find_idev+0x102/0x170 [ 2783.731010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2783.731010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2783.731010][ T10] netlink_rcv_skb+0x130/0x360 [ 2783.731010][ T10] netlink_unicast+0x449/0x710 [ 2783.731010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2783.731010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2783.731010][ T10] ___sys_sendmsg+0xee/0x170 [ 2783.731010][ T10] __sys_sendmsg+0xcd/0x170 [ 2783.731010][ T10] do_syscall_64+0xc6/0x1e0 [ 2783.731010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2783.731010][ T10] [ 2793.973976][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2793.974561][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2793.974561][ T10] netdev_get_by_index+0x5e/0x80 [ 2793.974561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2793.974561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2793.974561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2793.974561][ T10] ipv6_add_addr+0x411/0x2000 [ 2793.974561][ T10] inet6_addr_add+0x30e/0xa40 [ 2793.974561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2793.974561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.974561][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.974561][ T10] netlink_unicast+0x449/0x710 [ 2793.974561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.974561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.974561][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.974561][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.974561][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.974561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.974561][ T10] [ 2793.976620][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2793.976620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2793.976620][ T10] ipv6_find_idev+0x102/0x170 [ 2793.976620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.976620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.976620][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.976620][ T10] netlink_unicast+0x449/0x710 [ 2793.976620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.976620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.976620][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.976620][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.976620][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.976620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.976620][ T10] [ 2793.978799][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2793.978799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2793.978799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2793.978799][ T10] ipv6_find_idev+0x102/0x170 [ 2793.978799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.978799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.978799][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.978799][ T10] netlink_unicast+0x449/0x710 [ 2793.978799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.978799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.978799][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.978799][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.978799][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.978799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.978799][ T10] [ 2793.980582][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2793.980883][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2793.980883][ T10] netdev_get_by_index+0x5e/0x80 [ 2793.980883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2793.980883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2793.980883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2793.980883][ T10] ipv6_add_addr+0x411/0x2000 [ 2793.980883][ T10] inet6_addr_add+0x30e/0xa40 [ 2793.980883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2793.980883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.980883][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.980883][ T10] netlink_unicast+0x449/0x710 [ 2793.980883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.980883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.980883][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.980883][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.980883][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.980883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.980883][ T10] [ 2793.983012][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2793.983012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2793.983012][ T10] ipv6_find_idev+0x102/0x170 [ 2793.983012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.983012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.983012][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.983012][ T10] netlink_unicast+0x449/0x710 [ 2793.983012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.983012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.983012][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.983012][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.983012][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.983012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.983012][ T10] [ 2793.984657][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2793.984657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2793.984657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2793.984657][ T10] ipv6_find_idev+0x102/0x170 [ 2793.984657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.984657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.984657][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.984657][ T10] netlink_unicast+0x449/0x710 [ 2793.984657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.984657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.984657][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.984657][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.984657][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.984657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.984657][ T10] [ 2793.986439][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2793.986724][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2793.986724][ T10] netdev_get_by_index+0x5e/0x80 [ 2793.986724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2793.986724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2793.986724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2793.986724][ T10] ipv6_add_addr+0x411/0x2000 [ 2793.986724][ T10] inet6_addr_add+0x30e/0xa40 [ 2793.986724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2793.986724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.986724][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.986724][ T10] netlink_unicast+0x449/0x710 [ 2793.986724][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.986724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.986724][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.986724][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.986724][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.986724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.986724][ T10] [ 2793.988813][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2793.988813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2793.988813][ T10] ipv6_find_idev+0x102/0x170 [ 2793.988813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.988813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.988813][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.988813][ T10] netlink_unicast+0x449/0x710 [ 2793.988813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.988813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.988813][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.988813][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.988813][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.988813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.988813][ T10] [ 2793.990441][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2793.990441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2793.990441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2793.990441][ T10] ipv6_find_idev+0x102/0x170 [ 2793.990441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.990441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.990441][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.990441][ T10] netlink_unicast+0x449/0x710 [ 2793.990441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.990441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.990441][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.990441][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.990441][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.990441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.990441][ T10] [ 2793.992619][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2793.993220][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2793.993220][ T10] netdev_get_by_index+0x5e/0x80 [ 2793.993220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2793.993220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2793.993220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2793.993220][ T10] ipv6_add_addr+0x411/0x2000 [ 2793.993220][ T10] inet6_addr_add+0x30e/0xa40 [ 2793.993220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2793.993220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.993220][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.993220][ T10] netlink_unicast+0x449/0x710 [ 2793.993220][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.993220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.993220][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.993220][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.993220][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.993220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.993220][ T10] [ 2793.995319][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2793.995319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2793.995319][ T10] ipv6_find_idev+0x102/0x170 [ 2793.995319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.995319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.995319][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.995319][ T10] netlink_unicast+0x449/0x710 [ 2793.995319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.995319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.995319][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.995319][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.995319][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.995319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.995319][ T10] [ 2793.996932][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2793.996932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2793.996932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2793.996932][ T10] ipv6_find_idev+0x102/0x170 [ 2793.996932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2793.996932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.996932][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.996932][ T10] netlink_unicast+0x449/0x710 [ 2793.996932][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.996932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.996932][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.996932][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.996932][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.996932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.996932][ T10] [ 2793.998688][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2793.999036][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2793.999036][ T10] netdev_get_by_index+0x5e/0x80 [ 2793.999036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2793.999036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2793.999036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2793.999036][ T10] ipv6_add_addr+0x411/0x2000 [ 2793.999036][ T10] inet6_addr_add+0x30e/0xa40 [ 2793.999036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2793.999036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2793.999036][ T10] netlink_rcv_skb+0x130/0x360 [ 2793.999036][ T10] netlink_unicast+0x449/0x710 [ 2793.999036][ T10] netlink_sendmsg+0x723/0xbe0 [ 2793.999036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2793.999036][ T10] ___sys_sendmsg+0xee/0x170 [ 2793.999036][ T10] __sys_sendmsg+0xcd/0x170 [ 2793.999036][ T10] do_syscall_64+0xc6/0x1e0 [ 2793.999036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2793.999036][ T10] [ 2794.001149][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2794.001149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.001149][ T10] ipv6_find_idev+0x102/0x170 [ 2794.001149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.001149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.001149][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.001149][ T10] netlink_unicast+0x449/0x710 [ 2794.001149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.001149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.001149][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.001149][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.001149][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.001149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.001149][ T10] [ 2794.002775][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2794.002775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.002775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.002775][ T10] ipv6_find_idev+0x102/0x170 [ 2794.002775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.002775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.002775][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.002775][ T10] netlink_unicast+0x449/0x710 [ 2794.002775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.002775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.002775][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.002775][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.002775][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.002775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.002775][ T10] [ 2794.004972][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2794.005248][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2794.005248][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.005248][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.005248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.005248][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.005248][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.005248][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.005248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.005248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.005248][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.005248][ T10] netlink_unicast+0x449/0x710 [ 2794.005248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.005248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.005248][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.005248][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.005248][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.005248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.005248][ T10] [ 2794.007346][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2794.007346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.007346][ T10] ipv6_find_idev+0x102/0x170 [ 2794.007346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.007346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.007346][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.007346][ T10] netlink_unicast+0x449/0x710 [ 2794.007346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.007346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.007346][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.007346][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.007346][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.007346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.007346][ T10] [ 2794.008955][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2794.008955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.008955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.008955][ T10] ipv6_find_idev+0x102/0x170 [ 2794.008955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.008955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.008955][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.008955][ T10] netlink_unicast+0x449/0x710 [ 2794.008955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.008955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.008955][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.008955][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.008955][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.008955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.008955][ T10] [ 2794.010913][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2794.011232][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2794.011232][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.011232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.011232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.011232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.011232][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.011232][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.011232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.011232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.011232][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.011232][ T10] netlink_unicast+0x449/0x710 [ 2794.011232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.011232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.011232][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.011232][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.011232][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.011232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.011232][ T10] [ 2794.013548][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2794.013548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.013548][ T10] ipv6_find_idev+0x102/0x170 [ 2794.013548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.013548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.013548][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.013548][ T10] netlink_unicast+0x449/0x710 [ 2794.013548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.013548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.013548][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.013548][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.013548][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.013548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.013548][ T10] [ 2794.015306][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2794.015306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.015306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.015306][ T10] ipv6_find_idev+0x102/0x170 [ 2794.015306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.015306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.015306][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.015306][ T10] netlink_unicast+0x449/0x710 [ 2794.015306][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.015306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.015306][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.015306][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.015306][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.015306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.015306][ T10] [ 2794.017362][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2794.017636][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2794.017636][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.017636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.017636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.017636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.017636][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.017636][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.017636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.017636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.017636][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.017636][ T10] netlink_unicast+0x449/0x710 [ 2794.017636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.017636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.017636][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.017636][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.017636][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.017636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.017636][ T10] [ 2794.019924][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2794.019924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.019924][ T10] ipv6_find_idev+0x102/0x170 [ 2794.019924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.019924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.019924][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.019924][ T10] netlink_unicast+0x449/0x710 [ 2794.019924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.019924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.019924][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.019924][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.019924][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.019924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.019924][ T10] [ 2794.021701][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2794.021701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.021701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.021701][ T10] ipv6_find_idev+0x102/0x170 [ 2794.021701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.021701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.021701][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.021701][ T10] netlink_unicast+0x449/0x710 [ 2794.021701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.021701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.021701][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.021701][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.021701][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.021701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.021701][ T10] [ 2804.261966][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2804.262629][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2804.262629][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.262629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.262629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.262629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.262629][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.262629][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.262629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.262629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.262629][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.262629][ T10] netlink_unicast+0x449/0x710 [ 2804.262629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.262629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.262629][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.262629][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.262629][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.262629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.262629][ T10] [ 2804.265102][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2804.265102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.265102][ T10] ipv6_find_idev+0x102/0x170 [ 2804.265102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.265102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.265102][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.265102][ T10] netlink_unicast+0x449/0x710 [ 2804.265102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.265102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.265102][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.265102][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.265102][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.265102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.265102][ T10] [ 2804.266666][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2804.266666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.266666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.266666][ T10] ipv6_find_idev+0x102/0x170 [ 2804.266666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.266666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.266666][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.266666][ T10] netlink_unicast+0x449/0x710 [ 2804.266666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.266666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.266666][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.266666][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.266666][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.266666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.266666][ T10] [ 2804.268368][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2804.268658][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2804.268658][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.268658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.268658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.268658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.268658][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.268658][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.268658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.268658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.268658][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.268658][ T10] netlink_unicast+0x449/0x710 [ 2804.268658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.268658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.268658][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.268658][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.268658][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.268658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.268658][ T10] [ 2804.270779][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2804.270779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.270779][ T10] ipv6_find_idev+0x102/0x170 [ 2804.270779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.270779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.270779][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.270779][ T10] netlink_unicast+0x449/0x710 [ 2804.270779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.270779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.270779][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.270779][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.270779][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.270779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.270779][ T10] [ 2804.272378][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2804.272378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.272378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.272378][ T10] ipv6_find_idev+0x102/0x170 [ 2804.272378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.272378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.272378][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.272378][ T10] netlink_unicast+0x449/0x710 [ 2804.272378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.272378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.272378][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.272378][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.272378][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.272378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.272378][ T10] [ 2804.274205][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2804.274498][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2804.274498][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.274498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.274498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.274498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.274498][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.274498][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.274498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.274498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.274498][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.274498][ T10] netlink_unicast+0x449/0x710 [ 2804.274498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.274498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.274498][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.274498][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.274498][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.274498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.274498][ T10] [ 2804.276538][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2804.276538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.276538][ T10] ipv6_find_idev+0x102/0x170 [ 2804.276538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.276538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.276538][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.276538][ T10] netlink_unicast+0x449/0x710 [ 2804.276538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.276538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.276538][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.276538][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.276538][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.276538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.276538][ T10] [ 2804.278151][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2804.278151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.278151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.278151][ T10] ipv6_find_idev+0x102/0x170 [ 2804.278151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.278151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.278151][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.278151][ T10] netlink_unicast+0x449/0x710 [ 2804.278151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.278151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.278151][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.278151][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.278151][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.278151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.278151][ T10] [ 2804.279942][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2804.280215][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2804.280215][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.280215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.280215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.280215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.280215][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.280215][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.280215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.280215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.280215][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.280215][ T10] netlink_unicast+0x449/0x710 [ 2804.280215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.280215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.280215][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.280215][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.280215][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.280215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.280215][ T10] [ 2804.282274][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2804.282274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.282274][ T10] ipv6_find_idev+0x102/0x170 [ 2804.282274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.282274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.282274][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.282274][ T10] netlink_unicast+0x449/0x710 [ 2804.282274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.282274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.282274][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.282274][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.282274][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.282274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.282274][ T10] [ 2804.283943][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2804.283943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.283943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.283943][ T10] ipv6_find_idev+0x102/0x170 [ 2804.283943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.283943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.283943][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.283943][ T10] netlink_unicast+0x449/0x710 [ 2804.283943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.283943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.283943][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.283943][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.283943][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.283943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.283943][ T10] [ 2804.286082][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2804.286353][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2804.286353][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.286353][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.286353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.286353][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.286353][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.286353][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.286353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.286353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.286353][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.286353][ T10] netlink_unicast+0x449/0x710 [ 2804.286353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.286353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.286353][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.286353][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.286353][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.286353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.286353][ T10] [ 2804.288404][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2804.288404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.288404][ T10] ipv6_find_idev+0x102/0x170 [ 2804.288404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.288404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.288404][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.288404][ T10] netlink_unicast+0x449/0x710 [ 2804.288404][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.288404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.288404][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.288404][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.288404][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.288404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.288404][ T10] [ 2804.290040][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2804.290040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.290040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.290040][ T10] ipv6_find_idev+0x102/0x170 [ 2804.290040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.290040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.290040][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.290040][ T10] netlink_unicast+0x449/0x710 [ 2804.290040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.290040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.290040][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.290040][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.290040][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.290040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.290040][ T10] [ 2804.291826][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2804.292106][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2804.292106][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.292106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.292106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.292106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.292106][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.292106][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.292106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.292106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.292106][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.292106][ T10] netlink_unicast+0x449/0x710 [ 2804.292106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.292106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.292106][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.292106][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.292106][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.292106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.292106][ T10] [ 2804.294345][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2804.294345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.294345][ T10] ipv6_find_idev+0x102/0x170 [ 2804.294345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.294345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.294345][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.294345][ T10] netlink_unicast+0x449/0x710 [ 2804.294345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.294345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.294345][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.294345][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.294345][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.294345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.294345][ T10] [ 2804.296150][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2804.296150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.296150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.296150][ T10] ipv6_find_idev+0x102/0x170 [ 2804.296150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.296150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.296150][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.296150][ T10] netlink_unicast+0x449/0x710 [ 2804.296150][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.296150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.296150][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.296150][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.296150][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.296150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.296150][ T10] [ 2804.298213][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2804.298495][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2804.298495][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.298495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.298495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.298495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.298495][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.298495][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.298495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.298495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.298495][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.298495][ T10] netlink_unicast+0x449/0x710 [ 2804.298495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.298495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.298495][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.298495][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.298495][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.298495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.298495][ T10] [ 2804.300845][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2804.300845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.300845][ T10] ipv6_find_idev+0x102/0x170 [ 2804.300845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.300845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.300845][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.300845][ T10] netlink_unicast+0x449/0x710 [ 2804.300845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.300845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.300845][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.300845][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.300845][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.300845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.300845][ T10] [ 2804.302632][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2804.302632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.302632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.302632][ T10] ipv6_find_idev+0x102/0x170 [ 2804.302632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.302632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.302632][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.302632][ T10] netlink_unicast+0x449/0x710 [ 2804.302632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.302632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.302632][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.302632][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.302632][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.302632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.302632][ T10] [ 2804.304572][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2804.304899][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2804.304899][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.304899][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.304899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.304899][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.304899][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.304899][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.304899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.304899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.304899][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.304899][ T10] netlink_unicast+0x449/0x710 [ 2804.304899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.304899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.304899][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.304899][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.304899][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.304899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.304899][ T10] [ 2804.307136][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2804.307136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.307136][ T10] ipv6_find_idev+0x102/0x170 [ 2804.307136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.307136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.307136][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.307136][ T10] netlink_unicast+0x449/0x710 [ 2804.307136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.307136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.307136][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.307136][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.307136][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.307136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.307136][ T10] [ 2804.308854][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2804.308854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.308854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.308854][ T10] ipv6_find_idev+0x102/0x170 [ 2804.308854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.308854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.308854][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.308854][ T10] netlink_unicast+0x449/0x710 [ 2804.308854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.308854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.308854][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.308854][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.308854][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.308854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.308854][ T10] [ 2814.549991][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2814.550644][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2814.550644][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.550644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.550644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.550644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.550644][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.550644][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.550644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.550644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.550644][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.550644][ T10] netlink_unicast+0x449/0x710 [ 2814.550644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.550644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.550644][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.550644][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.550644][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.550644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.550644][ T10] [ 2814.552634][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2814.552634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.552634][ T10] ipv6_find_idev+0x102/0x170 [ 2814.552634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.552634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.552634][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.552634][ T10] netlink_unicast+0x449/0x710 [ 2814.552634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.552634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.552634][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.552634][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.552634][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.552634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.552634][ T10] [ 2814.554176][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2814.554176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.554176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.554176][ T10] ipv6_find_idev+0x102/0x170 [ 2814.554176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.554176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.554176][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.554176][ T10] netlink_unicast+0x449/0x710 [ 2814.554176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.554176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.554176][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.554176][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.554176][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.554176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.554176][ T10] [ 2814.555833][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2814.556129][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2814.556129][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.556129][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.556129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.556129][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.556129][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.556129][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.556129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.556129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.556129][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.556129][ T10] netlink_unicast+0x449/0x710 [ 2814.556129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.556129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.556129][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.556129][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.556129][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.556129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.556129][ T10] [ 2814.558289][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2814.558289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.558289][ T10] ipv6_find_idev+0x102/0x170 [ 2814.558289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.558289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.558289][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.558289][ T10] netlink_unicast+0x449/0x710 [ 2814.558289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.558289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.558289][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.558289][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.558289][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.558289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.558289][ T10] [ 2814.559857][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2814.559857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.559857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.559857][ T10] ipv6_find_idev+0x102/0x170 [ 2814.559857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.559857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.559857][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.559857][ T10] netlink_unicast+0x449/0x710 [ 2814.559857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.559857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.559857][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.559857][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.559857][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.559857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.559857][ T10] [ 2814.561579][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2814.561867][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2814.561867][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.561867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.561867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.561867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.561867][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.561867][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.561867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.561867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.561867][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.561867][ T10] netlink_unicast+0x449/0x710 [ 2814.561867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.561867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.561867][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.561867][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.561867][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.561867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.561867][ T10] [ 2814.564287][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2814.564287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.564287][ T10] ipv6_find_idev+0x102/0x170 [ 2814.564287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.564287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.564287][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.564287][ T10] netlink_unicast+0x449/0x710 [ 2814.564287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.564287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.564287][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.564287][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.564287][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.564287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.564287][ T10] [ 2814.565837][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2814.565837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.565837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.565837][ T10] ipv6_find_idev+0x102/0x170 [ 2814.565837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.565837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.565837][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.565837][ T10] netlink_unicast+0x449/0x710 [ 2814.565837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.565837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.565837][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.565837][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.565837][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.565837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.565837][ T10] [ 2814.567538][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2814.567797][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2814.567797][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.567797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.567797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.567797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.567797][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.567797][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.567797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.567797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.567797][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.567797][ T10] netlink_unicast+0x449/0x710 [ 2814.567797][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.567797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.567797][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.567797][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.567797][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.567797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.567797][ T10] [ 2814.569799][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2814.569799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.569799][ T10] ipv6_find_idev+0x102/0x170 [ 2814.569799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.569799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.569799][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.569799][ T10] netlink_unicast+0x449/0x710 [ 2814.569799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.569799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.569799][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.569799][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.569799][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.569799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.569799][ T10] [ 2814.571315][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2814.571315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.571315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.571315][ T10] ipv6_find_idev+0x102/0x170 [ 2814.571315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.571315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.571315][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.571315][ T10] netlink_unicast+0x449/0x710 [ 2814.571315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.571315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.571315][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.571315][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.571315][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.571315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.571315][ T10] [ 2814.573298][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2814.573547][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2814.573547][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.573547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.573547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.573547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.573547][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.573547][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.573547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.573547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.573547][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.573547][ T10] netlink_unicast+0x449/0x710 [ 2814.573547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.573547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.573547][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.573547][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.573547][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.573547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.573547][ T10] [ 2814.575542][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2814.575542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.575542][ T10] ipv6_find_idev+0x102/0x170 [ 2814.575542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.575542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.575542][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.575542][ T10] netlink_unicast+0x449/0x710 [ 2814.575542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.575542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.575542][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.575542][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.575542][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.575542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.575542][ T10] [ 2814.577072][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2814.577072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.577072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.577072][ T10] ipv6_find_idev+0x102/0x170 [ 2814.577072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.577072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.577072][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.577072][ T10] netlink_unicast+0x449/0x710 [ 2814.577072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.577072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.577072][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.577072][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.577072][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.577072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.577072][ T10] [ 2814.578832][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2814.579094][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2814.579094][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.579094][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.579094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.579094][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.579094][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.579094][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.579094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.579094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.579094][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.579094][ T10] netlink_unicast+0x449/0x710 [ 2814.579094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.579094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.579094][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.579094][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.579094][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.579094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.579094][ T10] [ 2814.581207][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2814.581207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.581207][ T10] ipv6_find_idev+0x102/0x170 [ 2814.581207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.581207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.581207][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.581207][ T10] netlink_unicast+0x449/0x710 [ 2814.581207][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.581207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.581207][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.581207][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.581207][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.581207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.581207][ T10] [ 2814.582994][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2814.582994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.582994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.582994][ T10] ipv6_find_idev+0x102/0x170 [ 2814.582994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.582994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.582994][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.582994][ T10] netlink_unicast+0x449/0x710 [ 2814.582994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.582994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.582994][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.582994][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.582994][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.582994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.582994][ T10] [ 2814.584975][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2814.585240][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2814.585240][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.585240][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.585240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.585240][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.585240][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.585240][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.585240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.585240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.585240][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.585240][ T10] netlink_unicast+0x449/0x710 [ 2814.585240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.585240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.585240][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.585240][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.585240][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.585240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.585240][ T10] [ 2814.587411][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2814.587411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.587411][ T10] ipv6_find_idev+0x102/0x170 [ 2814.587411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.587411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.587411][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.587411][ T10] netlink_unicast+0x449/0x710 [ 2814.587411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.587411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.587411][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.587411][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.587411][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.587411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.587411][ T10] [ 2814.589173][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2814.589173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.589173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.589173][ T10] ipv6_find_idev+0x102/0x170 [ 2814.589173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.589173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.589173][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.589173][ T10] netlink_unicast+0x449/0x710 [ 2814.589173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.589173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.589173][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.589173][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.589173][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.589173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.589173][ T10] [ 2814.591050][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2814.591318][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2814.591318][ T10] netdev_get_by_index+0x5e/0x80 [ 2814.591318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2814.591318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2814.591318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2814.591318][ T10] ipv6_add_addr+0x411/0x2000 [ 2814.591318][ T10] inet6_addr_add+0x30e/0xa40 [ 2814.591318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2814.591318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.591318][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.591318][ T10] netlink_unicast+0x449/0x710 [ 2814.591318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.591318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.591318][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.591318][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.591318][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.591318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.591318][ T10] [ 2814.593587][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2814.593587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2814.593587][ T10] ipv6_find_idev+0x102/0x170 [ 2814.593587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.593587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.593587][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.593587][ T10] netlink_unicast+0x449/0x710 [ 2814.593587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.593587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.593587][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.593587][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.593587][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.593587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.593587][ T10] [ 2814.595268][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2814.595268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2814.595268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2814.595268][ T10] ipv6_find_idev+0x102/0x170 [ 2814.595268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2814.595268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2814.595268][ T10] netlink_rcv_skb+0x130/0x360 [ 2814.595268][ T10] netlink_unicast+0x449/0x710 [ 2814.595268][ T10] netlink_sendmsg+0x723/0xbe0 [ 2814.595268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2814.595268][ T10] ___sys_sendmsg+0xee/0x170 [ 2814.595268][ T10] __sys_sendmsg+0xcd/0x170 [ 2814.595268][ T10] do_syscall_64+0xc6/0x1e0 [ 2814.595268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2814.595268][ T10] [ 2824.837981][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2824.838507][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2824.838507][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.838507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.838507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.838507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.838507][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.838507][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.838507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.838507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.838507][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.838507][ T10] netlink_unicast+0x449/0x710 [ 2824.838507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.838507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.838507][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.838507][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.838507][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.838507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.838507][ T10] [ 2824.840504][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2824.840504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.840504][ T10] ipv6_find_idev+0x102/0x170 [ 2824.840504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.840504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.840504][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.840504][ T10] netlink_unicast+0x449/0x710 [ 2824.840504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.840504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.840504][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.840504][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.840504][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.840504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.840504][ T10] [ 2824.842021][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2824.842021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.842021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.842021][ T10] ipv6_find_idev+0x102/0x170 [ 2824.842021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.842021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.842021][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.842021][ T10] netlink_unicast+0x449/0x710 [ 2824.842021][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.842021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.842021][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.842021][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.842021][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.842021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.842021][ T10] [ 2824.843715][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2824.844009][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2824.844009][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.844009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.844009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.844009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.844009][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.844009][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.844009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.844009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.844009][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.844009][ T10] netlink_unicast+0x449/0x710 [ 2824.844009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.844009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.844009][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.844009][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.844009][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.844009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.844009][ T10] [ 2824.846015][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2824.846015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.846015][ T10] ipv6_find_idev+0x102/0x170 [ 2824.846015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.846015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.846015][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.846015][ T10] netlink_unicast+0x449/0x710 [ 2824.846015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.846015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.846015][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.846015][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.846015][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.846015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.846015][ T10] [ 2824.847534][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2824.847534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.847534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.847534][ T10] ipv6_find_idev+0x102/0x170 [ 2824.847534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.847534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.847534][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.847534][ T10] netlink_unicast+0x449/0x710 [ 2824.847534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.847534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.847534][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.847534][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.847534][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.847534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.847534][ T10] [ 2824.849246][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2824.849521][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2824.849521][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.849521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.849521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.849521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.849521][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.849521][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.849521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.849521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.849521][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.849521][ T10] netlink_unicast+0x449/0x710 [ 2824.849521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.849521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.849521][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.849521][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.849521][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.849521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.849521][ T10] [ 2824.851560][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2824.851560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.851560][ T10] ipv6_find_idev+0x102/0x170 [ 2824.851560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.851560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.851560][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.851560][ T10] netlink_unicast+0x449/0x710 [ 2824.851560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.851560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.851560][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.851560][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.851560][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.851560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.851560][ T10] [ 2824.853074][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2824.853074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.853074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.853074][ T10] ipv6_find_idev+0x102/0x170 [ 2824.853074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.853074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.853074][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.853074][ T10] netlink_unicast+0x449/0x710 [ 2824.853074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.853074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.853074][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.853074][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.853074][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.853074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.853074][ T10] [ 2824.855109][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2824.855368][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2824.855368][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.855368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.855368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.855368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.855368][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.855368][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.855368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.855368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.855368][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.855368][ T10] netlink_unicast+0x449/0x710 [ 2824.855368][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.855368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.855368][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.855368][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.855368][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.855368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.855368][ T10] [ 2824.857351][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2824.857351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.857351][ T10] ipv6_find_idev+0x102/0x170 [ 2824.857351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.857351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.857351][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.857351][ T10] netlink_unicast+0x449/0x710 [ 2824.857351][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.857351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.857351][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.857351][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.857351][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.857351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.857351][ T10] [ 2824.858897][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2824.858897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.858897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.858897][ T10] ipv6_find_idev+0x102/0x170 [ 2824.858897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.858897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.858897][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.858897][ T10] netlink_unicast+0x449/0x710 [ 2824.858897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.858897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.858897][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.858897][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.858897][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.858897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.858897][ T10] [ 2824.860582][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2824.860893][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2824.860893][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.860893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.860893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.860893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.860893][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.860893][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.860893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.860893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.860893][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.860893][ T10] netlink_unicast+0x449/0x710 [ 2824.860893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.860893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.860893][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.860893][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.860893][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.860893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.860893][ T10] [ 2824.862903][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2824.862903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.862903][ T10] ipv6_find_idev+0x102/0x170 [ 2824.862903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.862903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.862903][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.862903][ T10] netlink_unicast+0x449/0x710 [ 2824.862903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.862903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.862903][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.862903][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.862903][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.862903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.862903][ T10] [ 2824.864434][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2824.864434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.864434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.864434][ T10] ipv6_find_idev+0x102/0x170 [ 2824.864434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.864434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.864434][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.864434][ T10] netlink_unicast+0x449/0x710 [ 2824.864434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.864434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.864434][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.864434][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.864434][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.864434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.864434][ T10] [ 2824.866118][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2824.866376][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2824.866376][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.866376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.866376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.866376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.866376][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.866376][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.866376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.866376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.866376][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.866376][ T10] netlink_unicast+0x449/0x710 [ 2824.866376][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.866376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.866376][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.866376][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.866376][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.866376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.866376][ T10] [ 2824.868389][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2824.868389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.868389][ T10] ipv6_find_idev+0x102/0x170 [ 2824.868389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.868389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.868389][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.868389][ T10] netlink_unicast+0x449/0x710 [ 2824.868389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.868389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.868389][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.868389][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.868389][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.868389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.868389][ T10] [ 2824.870156][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2824.870156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.870156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.870156][ T10] ipv6_find_idev+0x102/0x170 [ 2824.870156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.870156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.870156][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.870156][ T10] netlink_unicast+0x449/0x710 [ 2824.870156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.870156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.870156][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.870156][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.870156][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.870156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.870156][ T10] [ 2824.871970][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2824.872239][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2824.872239][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.872239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.872239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.872239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.872239][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.872239][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.872239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.872239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.872239][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.872239][ T10] netlink_unicast+0x449/0x710 [ 2824.872239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.872239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.872239][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.872239][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.872239][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.872239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.872239][ T10] [ 2824.874477][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2824.874477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.874477][ T10] ipv6_find_idev+0x102/0x170 [ 2824.874477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.874477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.874477][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.874477][ T10] netlink_unicast+0x449/0x710 [ 2824.874477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.874477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.874477][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.874477][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.874477][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.874477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.874477][ T10] [ 2824.876190][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2824.876190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.876190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.876190][ T10] ipv6_find_idev+0x102/0x170 [ 2824.876190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.876190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.876190][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.876190][ T10] netlink_unicast+0x449/0x710 [ 2824.876190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.876190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.876190][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.876190][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.876190][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.876190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.876190][ T10] [ 2824.878072][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2824.878384][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2824.878384][ T10] netdev_get_by_index+0x5e/0x80 [ 2824.878384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2824.878384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2824.878384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2824.878384][ T10] ipv6_add_addr+0x411/0x2000 [ 2824.878384][ T10] inet6_addr_add+0x30e/0xa40 [ 2824.878384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2824.878384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.878384][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.878384][ T10] netlink_unicast+0x449/0x710 [ 2824.878384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.878384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.878384][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.878384][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.878384][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.878384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.878384][ T10] [ 2824.880631][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2824.880631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2824.880631][ T10] ipv6_find_idev+0x102/0x170 [ 2824.880631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.880631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.880631][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.880631][ T10] netlink_unicast+0x449/0x710 [ 2824.880631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.880631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.880631][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.880631][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.880631][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.880631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.880631][ T10] [ 2824.882316][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2824.882316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2824.882316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2824.882316][ T10] ipv6_find_idev+0x102/0x170 [ 2824.882316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2824.882316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2824.882316][ T10] netlink_rcv_skb+0x130/0x360 [ 2824.882316][ T10] netlink_unicast+0x449/0x710 [ 2824.882316][ T10] netlink_sendmsg+0x723/0xbe0 [ 2824.882316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2824.882316][ T10] ___sys_sendmsg+0xee/0x170 [ 2824.882316][ T10] __sys_sendmsg+0xcd/0x170 [ 2824.882316][ T10] do_syscall_64+0xc6/0x1e0 [ 2824.882316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2824.882316][ T10] [ 2835.125925][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2835.126626][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2835.126626][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.126626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.126626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.126626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.126626][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.126626][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.126626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.126626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.126626][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.126626][ T10] netlink_unicast+0x449/0x710 [ 2835.126626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.126626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.126626][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.126626][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.126626][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.126626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.126626][ T10] [ 2835.128625][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2835.128625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.128625][ T10] ipv6_find_idev+0x102/0x170 [ 2835.128625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.128625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.128625][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.128625][ T10] netlink_unicast+0x449/0x710 [ 2835.128625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.128625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.128625][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.128625][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.128625][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.128625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.128625][ T10] [ 2835.130159][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2835.130159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.130159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.130159][ T10] ipv6_find_idev+0x102/0x170 [ 2835.130159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.130159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.130159][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.130159][ T10] netlink_unicast+0x449/0x710 [ 2835.130159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.130159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.130159][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.130159][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.130159][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.130159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.130159][ T10] [ 2835.131868][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2835.132131][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2835.132131][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.132131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.132131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.132131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.132131][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.132131][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.132131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.132131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.132131][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.132131][ T10] netlink_unicast+0x449/0x710 [ 2835.132131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.132131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.132131][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.132131][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.132131][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.132131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.132131][ T10] [ 2835.134135][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2835.134135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.134135][ T10] ipv6_find_idev+0x102/0x170 [ 2835.134135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.134135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.134135][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.134135][ T10] netlink_unicast+0x449/0x710 [ 2835.134135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.134135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.134135][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.134135][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.134135][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.134135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.134135][ T10] [ 2835.135580][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2835.135580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.135580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.135580][ T10] ipv6_find_idev+0x102/0x170 [ 2835.135580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.135580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.135580][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.135580][ T10] netlink_unicast+0x449/0x710 [ 2835.135580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.135580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.135580][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.135580][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.135580][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.135580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.135580][ T10] [ 2835.137240][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2835.137496][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2835.137496][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.137496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.137496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.137496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.137496][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.137496][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.137496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.137496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.137496][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.137496][ T10] netlink_unicast+0x449/0x710 [ 2835.137496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.137496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.137496][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.137496][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.137496][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.137496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.137496][ T10] [ 2835.139475][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2835.139475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.139475][ T10] ipv6_find_idev+0x102/0x170 [ 2835.139475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.139475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.139475][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.139475][ T10] netlink_unicast+0x449/0x710 [ 2835.139475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.139475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.139475][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.139475][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.139475][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.139475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.139475][ T10] [ 2835.141013][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2835.141013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.141013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.141013][ T10] ipv6_find_idev+0x102/0x170 [ 2835.141013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.141013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.141013][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.141013][ T10] netlink_unicast+0x449/0x710 [ 2835.141013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.141013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.141013][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.141013][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.141013][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.141013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.141013][ T10] [ 2835.142681][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2835.143364][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2835.143364][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.143364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.143364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.143364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.143364][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.143364][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.143364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.143364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.143364][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.143364][ T10] netlink_unicast+0x449/0x710 [ 2835.143364][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.143364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.143364][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.143364][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.143364][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.143364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.143364][ T10] [ 2835.145377][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2835.145377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.145377][ T10] ipv6_find_idev+0x102/0x170 [ 2835.145377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.145377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.145377][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.145377][ T10] netlink_unicast+0x449/0x710 [ 2835.145377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.145377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.145377][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.145377][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.145377][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.145377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.145377][ T10] [ 2835.146937][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2835.146937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.146937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.146937][ T10] ipv6_find_idev+0x102/0x170 [ 2835.146937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.146937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.146937][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.146937][ T10] netlink_unicast+0x449/0x710 [ 2835.146937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.146937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.146937][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.146937][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.146937][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.146937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.146937][ T10] [ 2835.148666][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2835.148983][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2835.148983][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.148983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.148983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.148983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.148983][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.148983][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.148983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.148983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.148983][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.148983][ T10] netlink_unicast+0x449/0x710 [ 2835.148983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.148983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.148983][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.148983][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.148983][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.148983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.148983][ T10] [ 2835.151009][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2835.151009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.151009][ T10] ipv6_find_idev+0x102/0x170 [ 2835.151009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.151009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.151009][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.151009][ T10] netlink_unicast+0x449/0x710 [ 2835.151009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.151009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.151009][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.151009][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.151009][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.151009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.151009][ T10] [ 2835.152588][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2835.152588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.152588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.152588][ T10] ipv6_find_idev+0x102/0x170 [ 2835.152588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.152588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.152588][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.152588][ T10] netlink_unicast+0x449/0x710 [ 2835.152588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.152588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.152588][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.152588][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.152588][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.152588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.152588][ T10] [ 2835.154282][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2835.154555][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2835.154555][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.154555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.154555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.154555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.154555][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.154555][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.154555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.154555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.154555][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.154555][ T10] netlink_unicast+0x449/0x710 [ 2835.154555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.154555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.154555][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.154555][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.154555][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.154555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.154555][ T10] [ 2835.156595][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2835.156595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.156595][ T10] ipv6_find_idev+0x102/0x170 [ 2835.156595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.156595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.156595][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.156595][ T10] netlink_unicast+0x449/0x710 [ 2835.156595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.156595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.156595][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.156595][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.156595][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.156595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.156595][ T10] [ 2835.158319][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2835.158319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.158319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.158319][ T10] ipv6_find_idev+0x102/0x170 [ 2835.158319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.158319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.158319][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.158319][ T10] netlink_unicast+0x449/0x710 [ 2835.158319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.158319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.158319][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.158319][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.158319][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.158319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.158319][ T10] [ 2835.160271][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2835.160538][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2835.160538][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.160538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.160538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.160538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.160538][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.160538][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.160538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.160538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.160538][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.160538][ T10] netlink_unicast+0x449/0x710 [ 2835.160538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.160538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.160538][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.160538][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.160538][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.160538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.160538][ T10] [ 2835.162732][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2835.162732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.162732][ T10] ipv6_find_idev+0x102/0x170 [ 2835.162732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.162732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.162732][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.162732][ T10] netlink_unicast+0x449/0x710 [ 2835.162732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.162732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.162732][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.162732][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.162732][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.162732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.162732][ T10] [ 2835.164460][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2835.164460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.164460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.164460][ T10] ipv6_find_idev+0x102/0x170 [ 2835.164460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.164460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.164460][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.164460][ T10] netlink_unicast+0x449/0x710 [ 2835.164460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.164460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.164460][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.164460][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.164460][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.164460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.164460][ T10] [ 2835.166354][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2835.166666][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2835.166666][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.166666][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.166666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.166666][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.166666][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.166666][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.166666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.166666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.166666][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.166666][ T10] netlink_unicast+0x449/0x710 [ 2835.166666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.166666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.166666][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.166666][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.166666][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.166666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.166666][ T10] [ 2835.168884][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2835.168884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.168884][ T10] ipv6_find_idev+0x102/0x170 [ 2835.168884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.168884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.168884][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.168884][ T10] netlink_unicast+0x449/0x710 [ 2835.168884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.168884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.168884][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.168884][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.168884][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.168884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.168884][ T10] [ 2835.170548][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2835.170548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.170548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.170548][ T10] ipv6_find_idev+0x102/0x170 [ 2835.170548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.170548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.170548][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.170548][ T10] netlink_unicast+0x449/0x710 [ 2835.170548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.170548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.170548][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.170548][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.170548][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.170548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.170548][ T10] [ 2845.189949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2845.190595][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2845.190595][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.190595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.190595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.190595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.190595][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.190595][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.190595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.190595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.190595][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.190595][ T10] netlink_unicast+0x449/0x710 [ 2845.190595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.190595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.190595][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.190595][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.190595][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.190595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.190595][ T10] [ 2845.192505][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2845.192505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.192505][ T10] ipv6_find_idev+0x102/0x170 [ 2845.192505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.192505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.192505][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.192505][ T10] netlink_unicast+0x449/0x710 [ 2845.192505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.192505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.192505][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.192505][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.192505][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.192505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.192505][ T10] [ 2845.193974][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2845.193974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.193974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.193974][ T10] ipv6_find_idev+0x102/0x170 [ 2845.193974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.193974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.193974][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.193974][ T10] netlink_unicast+0x449/0x710 [ 2845.193974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.193974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.193974][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.193974][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.193974][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.193974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.193974][ T10] [ 2845.195578][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2845.195878][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2845.195878][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.195878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.195878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.195878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.195878][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.195878][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.195878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.195878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.195878][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.195878][ T10] netlink_unicast+0x449/0x710 [ 2845.195878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.195878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.195878][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.195878][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.195878][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.195878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.195878][ T10] [ 2845.197887][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2845.197887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.197887][ T10] ipv6_find_idev+0x102/0x170 [ 2845.197887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.197887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.197887][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.197887][ T10] netlink_unicast+0x449/0x710 [ 2845.197887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.197887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.197887][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.197887][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.197887][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.197887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.197887][ T10] [ 2845.199453][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2845.199453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.199453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.199453][ T10] ipv6_find_idev+0x102/0x170 [ 2845.199453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.199453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.199453][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.199453][ T10] netlink_unicast+0x449/0x710 [ 2845.199453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.199453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.199453][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.199453][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.199453][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.199453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.199453][ T10] [ 2845.201097][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2845.201373][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2845.201373][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.201373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.201373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.201373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.201373][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.201373][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.201373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.201373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.201373][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.201373][ T10] netlink_unicast+0x449/0x710 [ 2845.201373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.201373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.201373][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.201373][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.201373][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.201373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.201373][ T10] [ 2845.203358][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2845.203358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.203358][ T10] ipv6_find_idev+0x102/0x170 [ 2845.203358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.203358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.203358][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.203358][ T10] netlink_unicast+0x449/0x710 [ 2845.203358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.203358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.203358][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.203358][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.203358][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.203358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.203358][ T10] [ 2845.204886][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2845.204886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.204886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.204886][ T10] ipv6_find_idev+0x102/0x170 [ 2845.204886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.204886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.204886][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.204886][ T10] netlink_unicast+0x449/0x710 [ 2845.204886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.204886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.204886][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.204886][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.204886][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.204886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.204886][ T10] [ 2845.206991][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2845.207257][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2845.207257][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.207257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.207257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.207257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.207257][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.207257][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.207257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.207257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.207257][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.207257][ T10] netlink_unicast+0x449/0x710 [ 2845.207257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.207257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.207257][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.207257][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.207257][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.207257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.207257][ T10] [ 2845.209237][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2845.209237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.209237][ T10] ipv6_find_idev+0x102/0x170 [ 2845.209237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.209237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.209237][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.209237][ T10] netlink_unicast+0x449/0x710 [ 2845.209237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.209237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.209237][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.209237][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.209237][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.209237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.209237][ T10] [ 2845.210739][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2845.210739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.210739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.210739][ T10] ipv6_find_idev+0x102/0x170 [ 2845.210739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.210739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.210739][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.210739][ T10] netlink_unicast+0x449/0x710 [ 2845.210739][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.210739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.210739][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.210739][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.210739][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.210739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.210739][ T10] [ 2845.212441][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2845.212720][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2845.212720][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.212720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.212720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.212720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.212720][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.212720][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.212720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.212720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.212720][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.212720][ T10] netlink_unicast+0x449/0x710 [ 2845.212720][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.212720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.212720][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.212720][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.212720][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.212720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.212720][ T10] [ 2845.214764][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2845.214764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.214764][ T10] ipv6_find_idev+0x102/0x170 [ 2845.214764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.214764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.214764][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.214764][ T10] netlink_unicast+0x449/0x710 [ 2845.214764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.214764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.214764][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.214764][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.214764][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.214764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.214764][ T10] [ 2845.216293][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2845.216293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.216293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.216293][ T10] ipv6_find_idev+0x102/0x170 [ 2845.216293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.216293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.216293][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.216293][ T10] netlink_unicast+0x449/0x710 [ 2845.216293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.216293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.216293][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.216293][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.216293][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.216293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.216293][ T10] [ 2845.218148][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2845.218409][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2845.218409][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.218409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.218409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.218409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.218409][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.218409][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.218409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.218409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.218409][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.218409][ T10] netlink_unicast+0x449/0x710 [ 2845.218409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.218409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.218409][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.218409][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.218409][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.218409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.218409][ T10] [ 2845.220554][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2845.220554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.220554][ T10] ipv6_find_idev+0x102/0x170 [ 2845.220554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.220554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.220554][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.220554][ T10] netlink_unicast+0x449/0x710 [ 2845.220554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.220554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.220554][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.220554][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.220554][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.220554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.220554][ T10] [ 2845.222228][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2845.222228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.222228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.222228][ T10] ipv6_find_idev+0x102/0x170 [ 2845.222228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.222228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.222228][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.222228][ T10] netlink_unicast+0x449/0x710 [ 2845.222228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.222228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.222228][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.222228][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.222228][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.222228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.222228][ T10] [ 2845.224172][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2845.224439][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2845.224439][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.224439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.224439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.224439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.224439][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.224439][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.224439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.224439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.224439][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.224439][ T10] netlink_unicast+0x449/0x710 [ 2845.224439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.224439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.224439][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.224439][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.224439][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.224439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.224439][ T10] [ 2845.226643][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2845.226643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.226643][ T10] ipv6_find_idev+0x102/0x170 [ 2845.226643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.226643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.226643][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.226643][ T10] netlink_unicast+0x449/0x710 [ 2845.226643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.226643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.226643][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.226643][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.226643][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.226643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.226643][ T10] [ 2845.228344][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2845.228344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.228344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.228344][ T10] ipv6_find_idev+0x102/0x170 [ 2845.228344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.228344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.228344][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.228344][ T10] netlink_unicast+0x449/0x710 [ 2845.228344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.228344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.228344][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.228344][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.228344][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.228344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.228344][ T10] [ 2845.230212][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2845.230520][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2845.230520][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.230520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.230520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.230520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.230520][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.230520][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.230520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.230520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.230520][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.230520][ T10] netlink_unicast+0x449/0x710 [ 2845.230520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.230520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.230520][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.230520][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.230520][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.230520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.230520][ T10] [ 2845.232650][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2845.232650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.232650][ T10] ipv6_find_idev+0x102/0x170 [ 2845.232650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.232650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.232650][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.232650][ T10] netlink_unicast+0x449/0x710 [ 2845.232650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.232650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.232650][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.232650][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.232650][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.232650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.232650][ T10] [ 2845.234389][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2845.234389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.234389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.234389][ T10] ipv6_find_idev+0x102/0x170 [ 2845.234389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.234389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.234389][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.234389][ T10] netlink_unicast+0x449/0x710 [ 2845.234389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.234389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.234389][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.234389][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.234389][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.234389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.234389][ T10] [ 2855.469951][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2855.470539][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2855.470539][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.470539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.470539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.470539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.470539][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.470539][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.470539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.470539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.470539][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.470539][ T10] netlink_unicast+0x449/0x710 [ 2855.470539][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.470539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.470539][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.470539][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.470539][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.470539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.470539][ T10] [ 2855.472421][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2855.472421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.472421][ T10] ipv6_find_idev+0x102/0x170 [ 2855.472421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.472421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.472421][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.472421][ T10] netlink_unicast+0x449/0x710 [ 2855.472421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.472421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.472421][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.472421][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.472421][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.472421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.472421][ T10] [ 2855.474121][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2855.474121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.474121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.474121][ T10] ipv6_find_idev+0x102/0x170 [ 2855.474121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.474121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.474121][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.474121][ T10] netlink_unicast+0x449/0x710 [ 2855.474121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.474121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.474121][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.474121][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.474121][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.474121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.474121][ T10] [ 2855.475801][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2855.476071][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2855.476071][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.476071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.476071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.476071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.476071][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.476071][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.476071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.476071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.476071][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.476071][ T10] netlink_unicast+0x449/0x710 [ 2855.476071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.476071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.476071][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.476071][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.476071][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.476071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.476071][ T10] [ 2855.478064][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2855.478064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.478064][ T10] ipv6_find_idev+0x102/0x170 [ 2855.478064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.478064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.478064][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.478064][ T10] netlink_unicast+0x449/0x710 [ 2855.478064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.478064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.478064][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.478064][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.478064][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.478064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.478064][ T10] [ 2855.479637][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2855.479637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.479637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.479637][ T10] ipv6_find_idev+0x102/0x170 [ 2855.479637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.479637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.479637][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.479637][ T10] netlink_unicast+0x449/0x710 [ 2855.479637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.479637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.479637][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.479637][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.479637][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.479637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.479637][ T10] [ 2855.481281][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2855.481548][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2855.481548][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.481548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.481548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.481548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.481548][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.481548][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.481548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.481548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.481548][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.481548][ T10] netlink_unicast+0x449/0x710 [ 2855.481548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.481548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.481548][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.481548][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.481548][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.481548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.481548][ T10] [ 2855.483503][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2855.483503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.483503][ T10] ipv6_find_idev+0x102/0x170 [ 2855.483503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.483503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.483503][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.483503][ T10] netlink_unicast+0x449/0x710 [ 2855.483503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.483503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.483503][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.483503][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.483503][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.483503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.483503][ T10] [ 2855.485039][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2855.485039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.485039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.485039][ T10] ipv6_find_idev+0x102/0x170 [ 2855.485039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.485039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.485039][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.485039][ T10] netlink_unicast+0x449/0x710 [ 2855.485039][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.485039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.485039][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.485039][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.485039][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.485039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.485039][ T10] [ 2855.486743][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2855.487444][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2855.487444][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.487444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.487444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.487444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.487444][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.487444][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.487444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.487444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.487444][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.487444][ T10] netlink_unicast+0x449/0x710 [ 2855.487444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.487444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.487444][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.487444][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.487444][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.487444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.487444][ T10] [ 2855.489445][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2855.489445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.489445][ T10] ipv6_find_idev+0x102/0x170 [ 2855.489445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.489445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.489445][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.489445][ T10] netlink_unicast+0x449/0x710 [ 2855.489445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.489445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.489445][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.489445][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.489445][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.489445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.489445][ T10] [ 2855.491009][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2855.491009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.491009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.491009][ T10] ipv6_find_idev+0x102/0x170 [ 2855.491009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.491009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.491009][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.491009][ T10] netlink_unicast+0x449/0x710 [ 2855.491009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.491009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.491009][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.491009][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.491009][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.491009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.491009][ T10] [ 2855.492676][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2855.493014][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2855.493014][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.493014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.493014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.493014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.493014][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.493014][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.493014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.493014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.493014][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.493014][ T10] netlink_unicast+0x449/0x710 [ 2855.493014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.493014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.493014][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.493014][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.493014][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.493014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.493014][ T10] [ 2855.494965][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2855.494965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.494965][ T10] ipv6_find_idev+0x102/0x170 [ 2855.494965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.494965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.494965][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.494965][ T10] netlink_unicast+0x449/0x710 [ 2855.494965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.494965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.494965][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.494965][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.494965][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.494965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.494965][ T10] [ 2855.496495][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2855.496495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.496495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.496495][ T10] ipv6_find_idev+0x102/0x170 [ 2855.496495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.496495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.496495][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.496495][ T10] netlink_unicast+0x449/0x710 [ 2855.496495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.496495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.496495][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.496495][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.496495][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.496495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.496495][ T10] [ 2855.498209][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2855.498469][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2855.498469][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.498469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.498469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.498469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.498469][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.498469][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.498469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.498469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.498469][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.498469][ T10] netlink_unicast+0x449/0x710 [ 2855.498469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.498469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.498469][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.498469][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.498469][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.498469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.498469][ T10] [ 2855.500591][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2855.500591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.500591][ T10] ipv6_find_idev+0x102/0x170 [ 2855.500591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.500591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.500591][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.500591][ T10] netlink_unicast+0x449/0x710 [ 2855.500591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.500591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.500591][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.500591][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.500591][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.500591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.500591][ T10] [ 2855.502298][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2855.502298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.502298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.502298][ T10] ipv6_find_idev+0x102/0x170 [ 2855.502298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.502298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.502298][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.502298][ T10] netlink_unicast+0x449/0x710 [ 2855.502298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.502298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.502298][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.502298][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.502298][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.502298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.502298][ T10] [ 2855.504751][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2855.505071][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2855.505071][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.505071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.505071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.505071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.505071][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.505071][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.505071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.505071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.505071][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.505071][ T10] netlink_unicast+0x449/0x710 [ 2855.505071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.505071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.505071][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.505071][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.505071][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.505071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.505071][ T10] [ 2855.507255][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2855.507255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.507255][ T10] ipv6_find_idev+0x102/0x170 [ 2855.507255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.507255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.507255][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.507255][ T10] netlink_unicast+0x449/0x710 [ 2855.507255][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.507255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.507255][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.507255][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.507255][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.507255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.507255][ T10] [ 2855.509008][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2855.509008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.509008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.509008][ T10] ipv6_find_idev+0x102/0x170 [ 2855.509008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.509008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.509008][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.509008][ T10] netlink_unicast+0x449/0x710 [ 2855.509008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.509008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.509008][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.509008][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.509008][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.509008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.509008][ T10] [ 2855.510805][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2855.511136][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2855.511136][ T10] netdev_get_by_index+0x5e/0x80 [ 2855.511136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2855.511136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2855.511136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2855.511136][ T10] ipv6_add_addr+0x411/0x2000 [ 2855.511136][ T10] inet6_addr_add+0x30e/0xa40 [ 2855.511136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2855.511136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.511136][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.511136][ T10] netlink_unicast+0x449/0x710 [ 2855.511136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.511136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.511136][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.511136][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.511136][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.511136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.511136][ T10] [ 2855.513385][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2855.513385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2855.513385][ T10] ipv6_find_idev+0x102/0x170 [ 2855.513385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.513385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.513385][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.513385][ T10] netlink_unicast+0x449/0x710 [ 2855.513385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.513385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.513385][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.513385][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.513385][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.513385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.513385][ T10] [ 2855.515464][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2855.515464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2855.515464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2855.515464][ T10] ipv6_find_idev+0x102/0x170 [ 2855.515464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2855.515464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2855.515464][ T10] netlink_rcv_skb+0x130/0x360 [ 2855.515464][ T10] netlink_unicast+0x449/0x710 [ 2855.515464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2855.515464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2855.515464][ T10] ___sys_sendmsg+0xee/0x170 [ 2855.515464][ T10] __sys_sendmsg+0xcd/0x170 [ 2855.515464][ T10] do_syscall_64+0xc6/0x1e0 [ 2855.515464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2855.515464][ T10] [ 2865.725965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2865.726551][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2865.726551][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.726551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.726551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.726551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.726551][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.726551][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.726551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.726551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.726551][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.726551][ T10] netlink_unicast+0x449/0x710 [ 2865.726551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.726551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.726551][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.726551][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.726551][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.726551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.726551][ T10] [ 2865.728448][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2865.728448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.728448][ T10] ipv6_find_idev+0x102/0x170 [ 2865.728448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.728448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.728448][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.728448][ T10] netlink_unicast+0x449/0x710 [ 2865.728448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.728448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.728448][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.728448][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.728448][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.728448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.728448][ T10] [ 2865.729929][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2865.729929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.729929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.729929][ T10] ipv6_find_idev+0x102/0x170 [ 2865.729929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.729929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.729929][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.729929][ T10] netlink_unicast+0x449/0x710 [ 2865.729929][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.729929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.729929][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.729929][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.729929][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.729929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.729929][ T10] [ 2865.731632][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2865.731943][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2865.731943][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.731943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.731943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.731943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.731943][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.731943][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.731943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.731943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.731943][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.731943][ T10] netlink_unicast+0x449/0x710 [ 2865.731943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.731943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.731943][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.731943][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.731943][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.731943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.731943][ T10] [ 2865.733971][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2865.733971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.733971][ T10] ipv6_find_idev+0x102/0x170 [ 2865.733971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.733971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.733971][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.733971][ T10] netlink_unicast+0x449/0x710 [ 2865.733971][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.733971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.733971][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.733971][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.733971][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.733971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.733971][ T10] [ 2865.735507][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2865.735507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.735507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.735507][ T10] ipv6_find_idev+0x102/0x170 [ 2865.735507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.735507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.735507][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.735507][ T10] netlink_unicast+0x449/0x710 [ 2865.735507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.735507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.735507][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.735507][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.735507][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.735507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.735507][ T10] [ 2865.737159][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2865.737415][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2865.737415][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.737415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.737415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.737415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.737415][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.737415][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.737415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.737415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.737415][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.737415][ T10] netlink_unicast+0x449/0x710 [ 2865.737415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.737415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.737415][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.737415][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.737415][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.737415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.737415][ T10] [ 2865.739443][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2865.739443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.739443][ T10] ipv6_find_idev+0x102/0x170 [ 2865.739443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.739443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.739443][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.739443][ T10] netlink_unicast+0x449/0x710 [ 2865.739443][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.739443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.739443][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.739443][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.739443][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.739443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.739443][ T10] [ 2865.740967][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2865.740967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.740967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.740967][ T10] ipv6_find_idev+0x102/0x170 [ 2865.740967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.740967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.740967][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.740967][ T10] netlink_unicast+0x449/0x710 [ 2865.740967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.740967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.740967][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.740967][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.740967][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.740967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.740967][ T10] [ 2865.743069][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2865.743334][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2865.743334][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.743334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.743334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.743334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.743334][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.743334][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.743334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.743334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.743334][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.743334][ T10] netlink_unicast+0x449/0x710 [ 2865.743334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.743334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.743334][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.743334][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.743334][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.743334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.743334][ T10] [ 2865.745362][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2865.745362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.745362][ T10] ipv6_find_idev+0x102/0x170 [ 2865.745362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.745362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.745362][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.745362][ T10] netlink_unicast+0x449/0x710 [ 2865.745362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.745362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.745362][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.745362][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.745362][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.745362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.745362][ T10] [ 2865.746899][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2865.746899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.746899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.746899][ T10] ipv6_find_idev+0x102/0x170 [ 2865.746899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.746899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.746899][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.746899][ T10] netlink_unicast+0x449/0x710 [ 2865.746899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.746899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.746899][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.746899][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.746899][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.746899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.746899][ T10] [ 2865.748628][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2865.748955][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2865.748955][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.748955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.748955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.748955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.748955][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.748955][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.748955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.748955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.748955][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.748955][ T10] netlink_unicast+0x449/0x710 [ 2865.748955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.748955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.748955][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.748955][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.748955][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.748955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.748955][ T10] [ 2865.750990][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2865.750990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.750990][ T10] ipv6_find_idev+0x102/0x170 [ 2865.750990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.750990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.750990][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.750990][ T10] netlink_unicast+0x449/0x710 [ 2865.750990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.750990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.750990][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.750990][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.750990][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.750990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.750990][ T10] [ 2865.752531][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2865.752531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.752531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.752531][ T10] ipv6_find_idev+0x102/0x170 [ 2865.752531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.752531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.752531][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.752531][ T10] netlink_unicast+0x449/0x710 [ 2865.752531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.752531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.752531][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.752531][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.752531][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.752531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.752531][ T10] [ 2865.754289][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2865.754562][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2865.754562][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.754562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.754562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.754562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.754562][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.754562][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.754562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.754562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.754562][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.754562][ T10] netlink_unicast+0x449/0x710 [ 2865.754562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.754562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.754562][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.754562][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.754562][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.754562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.754562][ T10] [ 2865.756636][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2865.756636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.756636][ T10] ipv6_find_idev+0x102/0x170 [ 2865.756636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.756636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.756636][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.756636][ T10] netlink_unicast+0x449/0x710 [ 2865.756636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.756636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.756636][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.756636][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.756636][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.756636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.756636][ T10] [ 2865.758329][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2865.758329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.758329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.758329][ T10] ipv6_find_idev+0x102/0x170 [ 2865.758329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.758329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.758329][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.758329][ T10] netlink_unicast+0x449/0x710 [ 2865.758329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.758329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.758329][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.758329][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.758329][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.758329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.758329][ T10] [ 2865.760245][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2865.760509][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2865.760509][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.760509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.760509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.760509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.760509][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.760509][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.760509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.760509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.760509][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.760509][ T10] netlink_unicast+0x449/0x710 [ 2865.760509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.760509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.760509][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.760509][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.760509][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.760509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.760509][ T10] [ 2865.762722][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2865.762722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.762722][ T10] ipv6_find_idev+0x102/0x170 [ 2865.762722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.762722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.762722][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.762722][ T10] netlink_unicast+0x449/0x710 [ 2865.762722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.762722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.762722][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.762722][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.762722][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.762722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.762722][ T10] [ 2865.764457][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2865.764457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.764457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.764457][ T10] ipv6_find_idev+0x102/0x170 [ 2865.764457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.764457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.764457][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.764457][ T10] netlink_unicast+0x449/0x710 [ 2865.764457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.764457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.764457][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.764457][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.764457][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.764457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.764457][ T10] [ 2865.766383][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2865.766695][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2865.766695][ T10] netdev_get_by_index+0x5e/0x80 [ 2865.766695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2865.766695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2865.766695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2865.766695][ T10] ipv6_add_addr+0x411/0x2000 [ 2865.766695][ T10] inet6_addr_add+0x30e/0xa40 [ 2865.766695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2865.766695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.766695][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.766695][ T10] netlink_unicast+0x449/0x710 [ 2865.766695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.766695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.766695][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.766695][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.766695][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.766695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.766695][ T10] [ 2865.768990][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2865.768990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2865.768990][ T10] ipv6_find_idev+0x102/0x170 [ 2865.768990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.768990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.768990][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.768990][ T10] netlink_unicast+0x449/0x710 [ 2865.768990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.768990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.768990][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.768990][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.768990][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.768990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.768990][ T10] [ 2865.770660][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2865.770660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2865.770660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2865.770660][ T10] ipv6_find_idev+0x102/0x170 [ 2865.770660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2865.770660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2865.770660][ T10] netlink_rcv_skb+0x130/0x360 [ 2865.770660][ T10] netlink_unicast+0x449/0x710 [ 2865.770660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2865.770660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2865.770660][ T10] ___sys_sendmsg+0xee/0x170 [ 2865.770660][ T10] __sys_sendmsg+0xcd/0x170 [ 2865.770660][ T10] do_syscall_64+0xc6/0x1e0 [ 2865.770660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2865.770660][ T10] [ 2875.909971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2875.910655][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2875.910655][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.910655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.910655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.910655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.910655][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.910655][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.910655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.910655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.910655][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.910655][ T10] netlink_unicast+0x449/0x710 [ 2875.910655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.910655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.910655][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.910655][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.910655][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.910655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.910655][ T10] [ 2875.912580][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2875.912580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.912580][ T10] ipv6_find_idev+0x102/0x170 [ 2875.912580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.912580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.912580][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.912580][ T10] netlink_unicast+0x449/0x710 [ 2875.912580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.912580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.912580][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.912580][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.912580][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.912580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.912580][ T10] [ 2875.914140][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2875.914140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.914140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.914140][ T10] ipv6_find_idev+0x102/0x170 [ 2875.914140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.914140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.914140][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.914140][ T10] netlink_unicast+0x449/0x710 [ 2875.914140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.914140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.914140][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.914140][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.914140][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.914140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.914140][ T10] [ 2875.915753][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2875.916053][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2875.916053][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.916053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.916053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.916053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.916053][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.916053][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.916053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.916053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.916053][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.916053][ T10] netlink_unicast+0x449/0x710 [ 2875.916053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.916053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.916053][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.916053][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.916053][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.916053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.916053][ T10] [ 2875.918080][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2875.918080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.918080][ T10] ipv6_find_idev+0x102/0x170 [ 2875.918080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.918080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.918080][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.918080][ T10] netlink_unicast+0x449/0x710 [ 2875.918080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.918080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.918080][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.918080][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.918080][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.918080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.918080][ T10] [ 2875.919633][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2875.919633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.919633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.919633][ T10] ipv6_find_idev+0x102/0x170 [ 2875.919633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.919633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.919633][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.919633][ T10] netlink_unicast+0x449/0x710 [ 2875.919633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.919633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.919633][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.919633][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.919633][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.919633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.919633][ T10] [ 2875.921310][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2875.921559][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2875.921559][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.921559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.921559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.921559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.921559][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.921559][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.921559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.921559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.921559][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.921559][ T10] netlink_unicast+0x449/0x710 [ 2875.921559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.921559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.921559][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.921559][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.921559][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.921559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.921559][ T10] [ 2875.923422][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2875.923422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.923422][ T10] ipv6_find_idev+0x102/0x170 [ 2875.923422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.923422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.923422][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.923422][ T10] netlink_unicast+0x449/0x710 [ 2875.923422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.923422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.923422][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.923422][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.923422][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.923422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.923422][ T10] [ 2875.924854][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2875.924854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.924854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.924854][ T10] ipv6_find_idev+0x102/0x170 [ 2875.924854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.924854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.924854][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.924854][ T10] netlink_unicast+0x449/0x710 [ 2875.924854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.924854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.924854][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.924854][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.924854][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.924854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.924854][ T10] [ 2875.926838][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2875.927101][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2875.927101][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.927101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.927101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.927101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.927101][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.927101][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.927101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.927101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.927101][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.927101][ T10] netlink_unicast+0x449/0x710 [ 2875.927101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.927101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.927101][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.927101][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.927101][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.927101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.927101][ T10] [ 2875.929625][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2875.929625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.929625][ T10] ipv6_find_idev+0x102/0x170 [ 2875.929625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.929625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.929625][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.929625][ T10] netlink_unicast+0x449/0x710 [ 2875.929625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.929625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.929625][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.929625][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.929625][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.929625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.929625][ T10] [ 2875.931091][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2875.931091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.931091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.931091][ T10] ipv6_find_idev+0x102/0x170 [ 2875.931091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.931091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.931091][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.931091][ T10] netlink_unicast+0x449/0x710 [ 2875.931091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.931091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.931091][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.931091][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.931091][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.931091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.931091][ T10] [ 2875.932797][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2875.933063][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2875.933063][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.933063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.933063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.933063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.933063][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.933063][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.933063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.933063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.933063][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.933063][ T10] netlink_unicast+0x449/0x710 [ 2875.933063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.933063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.933063][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.933063][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.933063][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.933063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.933063][ T10] [ 2875.935057][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2875.935057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.935057][ T10] ipv6_find_idev+0x102/0x170 [ 2875.935057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.935057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.935057][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.935057][ T10] netlink_unicast+0x449/0x710 [ 2875.935057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.935057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.935057][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.935057][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.935057][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.935057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.935057][ T10] [ 2875.936595][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2875.936595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.936595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.936595][ T10] ipv6_find_idev+0x102/0x170 [ 2875.936595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.936595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.936595][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.936595][ T10] netlink_unicast+0x449/0x710 [ 2875.936595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.936595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.936595][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.936595][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.936595][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.936595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.936595][ T10] [ 2875.938299][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2875.938568][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2875.938568][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.938568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.938568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.938568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.938568][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.938568][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.938568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.938568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.938568][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.938568][ T10] netlink_unicast+0x449/0x710 [ 2875.938568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.938568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.938568][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.938568][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.938568][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.938568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.938568][ T10] [ 2875.941100][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2875.941100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.941100][ T10] ipv6_find_idev+0x102/0x170 [ 2875.941100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.941100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.941100][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.941100][ T10] netlink_unicast+0x449/0x710 [ 2875.941100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.941100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.941100][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.941100][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.941100][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.941100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.941100][ T10] [ 2875.942838][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2875.942838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.942838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.942838][ T10] ipv6_find_idev+0x102/0x170 [ 2875.942838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.942838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.942838][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.942838][ T10] netlink_unicast+0x449/0x710 [ 2875.942838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.942838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.942838][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.942838][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.942838][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.942838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.942838][ T10] [ 2875.944763][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2875.945101][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2875.945101][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.945101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.945101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.945101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.945101][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.945101][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.945101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.945101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.945101][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.945101][ T10] netlink_unicast+0x449/0x710 [ 2875.945101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.945101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.945101][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.945101][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.945101][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.945101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.945101][ T10] [ 2875.947306][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2875.947306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.947306][ T10] ipv6_find_idev+0x102/0x170 [ 2875.947306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.947306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.947306][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.947306][ T10] netlink_unicast+0x449/0x710 [ 2875.947306][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.947306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.947306][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.947306][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.947306][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.947306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.947306][ T10] [ 2875.948958][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2875.948958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.948958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.948958][ T10] ipv6_find_idev+0x102/0x170 [ 2875.948958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.948958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.948958][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.948958][ T10] netlink_unicast+0x449/0x710 [ 2875.948958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.948958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.948958][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.948958][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.948958][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.948958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.948958][ T10] [ 2875.950862][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2875.951163][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2875.951163][ T10] netdev_get_by_index+0x5e/0x80 [ 2875.951163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2875.951163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2875.951163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2875.951163][ T10] ipv6_add_addr+0x411/0x2000 [ 2875.951163][ T10] inet6_addr_add+0x30e/0xa40 [ 2875.951163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2875.951163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.951163][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.951163][ T10] netlink_unicast+0x449/0x710 [ 2875.951163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.951163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.951163][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.951163][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.951163][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.951163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.951163][ T10] [ 2875.953319][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2875.953319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2875.953319][ T10] ipv6_find_idev+0x102/0x170 [ 2875.953319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.953319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.953319][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.953319][ T10] netlink_unicast+0x449/0x710 [ 2875.953319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.953319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.953319][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.953319][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.953319][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.953319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.953319][ T10] [ 2875.954981][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2875.954981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2875.954981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2875.954981][ T10] ipv6_find_idev+0x102/0x170 [ 2875.954981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2875.954981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2875.954981][ T10] netlink_rcv_skb+0x130/0x360 [ 2875.954981][ T10] netlink_unicast+0x449/0x710 [ 2875.954981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2875.954981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2875.954981][ T10] ___sys_sendmsg+0xee/0x170 [ 2875.954981][ T10] __sys_sendmsg+0xcd/0x170 [ 2875.954981][ T10] do_syscall_64+0xc6/0x1e0 [ 2875.954981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2875.954981][ T10] [ 2886.197931][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2886.198427][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2886.198427][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.198427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.198427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.198427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.198427][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.198427][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.198427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.198427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.198427][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.198427][ T10] netlink_unicast+0x449/0x710 [ 2886.198427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.198427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.198427][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.198427][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.198427][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.198427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.198427][ T10] [ 2886.200443][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2886.200443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.200443][ T10] ipv6_find_idev+0x102/0x170 [ 2886.200443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.200443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.200443][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.200443][ T10] netlink_unicast+0x449/0x710 [ 2886.200443][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.200443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.200443][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.200443][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.200443][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.200443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.200443][ T10] [ 2886.202003][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2886.202003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.202003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.202003][ T10] ipv6_find_idev+0x102/0x170 [ 2886.202003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.202003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.202003][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.202003][ T10] netlink_unicast+0x449/0x710 [ 2886.202003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.202003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.202003][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.202003][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.202003][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.202003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.202003][ T10] [ 2886.203693][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2886.203981][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2886.203981][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.203981][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.203981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.203981][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.203981][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.203981][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.203981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.203981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.203981][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.203981][ T10] netlink_unicast+0x449/0x710 [ 2886.203981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.203981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.203981][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.203981][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.203981][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.203981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.203981][ T10] [ 2886.205968][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2886.205968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.205968][ T10] ipv6_find_idev+0x102/0x170 [ 2886.205968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.205968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.205968][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.205968][ T10] netlink_unicast+0x449/0x710 [ 2886.205968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.205968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.205968][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.205968][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.205968][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.205968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.205968][ T10] [ 2886.207512][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2886.207512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.207512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.207512][ T10] ipv6_find_idev+0x102/0x170 [ 2886.207512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.207512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.207512][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.207512][ T10] netlink_unicast+0x449/0x710 [ 2886.207512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.207512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.207512][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.207512][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.207512][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.207512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.207512][ T10] [ 2886.209379][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2886.209662][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2886.209662][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.209662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.209662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.209662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.209662][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.209662][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.209662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.209662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.209662][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.209662][ T10] netlink_unicast+0x449/0x710 [ 2886.209662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.209662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.209662][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.209662][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.209662][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.209662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.209662][ T10] [ 2886.211767][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2886.211767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.211767][ T10] ipv6_find_idev+0x102/0x170 [ 2886.211767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.211767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.211767][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.211767][ T10] netlink_unicast+0x449/0x710 [ 2886.211767][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.211767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.211767][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.211767][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.211767][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.211767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.211767][ T10] [ 2886.213357][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2886.213357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.213357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.213357][ T10] ipv6_find_idev+0x102/0x170 [ 2886.213357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.213357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.213357][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.213357][ T10] netlink_unicast+0x449/0x710 [ 2886.213357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.213357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.213357][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.213357][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.213357][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.213357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.213357][ T10] [ 2886.215091][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2886.215353][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2886.215353][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.215353][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.215353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.215353][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.215353][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.215353][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.215353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.215353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.215353][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.215353][ T10] netlink_unicast+0x449/0x710 [ 2886.215353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.215353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.215353][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.215353][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.215353][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.215353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.215353][ T10] [ 2886.217362][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2886.217362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.217362][ T10] ipv6_find_idev+0x102/0x170 [ 2886.217362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.217362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.217362][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.217362][ T10] netlink_unicast+0x449/0x710 [ 2886.217362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.217362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.217362][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.217362][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.217362][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.217362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.217362][ T10] [ 2886.218910][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2886.218910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.218910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.218910][ T10] ipv6_find_idev+0x102/0x170 [ 2886.218910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.218910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.218910][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.218910][ T10] netlink_unicast+0x449/0x710 [ 2886.218910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.218910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.218910][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.218910][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.218910][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.218910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.218910][ T10] [ 2886.220636][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2886.220955][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2886.220955][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.220955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.220955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.220955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.220955][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.220955][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.220955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.220955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.220955][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.220955][ T10] netlink_unicast+0x449/0x710 [ 2886.220955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.220955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.220955][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.220955][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.220955][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.220955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.220955][ T10] [ 2886.222958][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2886.222958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.222958][ T10] ipv6_find_idev+0x102/0x170 [ 2886.222958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.222958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.222958][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.222958][ T10] netlink_unicast+0x449/0x710 [ 2886.222958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.222958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.222958][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.222958][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.222958][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.222958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.222958][ T10] [ 2886.224500][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2886.224500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.224500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.224500][ T10] ipv6_find_idev+0x102/0x170 [ 2886.224500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.224500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.224500][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.224500][ T10] netlink_unicast+0x449/0x710 [ 2886.224500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.224500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.224500][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.224500][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.224500][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.224500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.224500][ T10] [ 2886.226398][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2886.226658][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2886.226658][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.226658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.226658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.226658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.226658][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.226658][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.226658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.226658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.226658][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.226658][ T10] netlink_unicast+0x449/0x710 [ 2886.226658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.226658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.226658][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.226658][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.226658][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.226658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.226658][ T10] [ 2886.228906][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2886.228906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.228906][ T10] ipv6_find_idev+0x102/0x170 [ 2886.228906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.228906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.228906][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.228906][ T10] netlink_unicast+0x449/0x710 [ 2886.228906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.228906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.228906][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.228906][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.228906][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.228906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.228906][ T10] [ 2886.230684][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2886.230684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.230684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.230684][ T10] ipv6_find_idev+0x102/0x170 [ 2886.230684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.230684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.230684][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.230684][ T10] netlink_unicast+0x449/0x710 [ 2886.230684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.230684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.230684][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.230684][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.230684][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.230684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.230684][ T10] [ 2886.232584][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2886.232898][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2886.232898][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.232898][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.232898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.232898][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.232898][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.232898][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.232898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.232898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.232898][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.232898][ T10] netlink_unicast+0x449/0x710 [ 2886.232898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.232898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.232898][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.232898][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.232898][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.232898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.232898][ T10] [ 2886.235075][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2886.235075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.235075][ T10] ipv6_find_idev+0x102/0x170 [ 2886.235075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.235075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.235075][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.235075][ T10] netlink_unicast+0x449/0x710 [ 2886.235075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.235075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.235075][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.235075][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.235075][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.235075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.235075][ T10] [ 2886.236796][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2886.236796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.236796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.236796][ T10] ipv6_find_idev+0x102/0x170 [ 2886.236796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.236796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.236796][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.236796][ T10] netlink_unicast+0x449/0x710 [ 2886.236796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.236796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.236796][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.236796][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.236796][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.236796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.236796][ T10] [ 2886.238739][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2886.239064][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2886.239064][ T10] netdev_get_by_index+0x5e/0x80 [ 2886.239064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2886.239064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2886.239064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2886.239064][ T10] ipv6_add_addr+0x411/0x2000 [ 2886.239064][ T10] inet6_addr_add+0x30e/0xa40 [ 2886.239064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2886.239064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.239064][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.239064][ T10] netlink_unicast+0x449/0x710 [ 2886.239064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.239064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.239064][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.239064][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.239064][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.239064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.239064][ T10] [ 2886.241404][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2886.241404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2886.241404][ T10] ipv6_find_idev+0x102/0x170 [ 2886.241404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.241404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.241404][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.241404][ T10] netlink_unicast+0x449/0x710 [ 2886.241404][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.241404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.241404][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.241404][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.241404][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.241404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.241404][ T10] [ 2886.243211][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2886.243211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2886.243211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2886.243211][ T10] ipv6_find_idev+0x102/0x170 [ 2886.243211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2886.243211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2886.243211][ T10] netlink_rcv_skb+0x130/0x360 [ 2886.243211][ T10] netlink_unicast+0x449/0x710 [ 2886.243211][ T10] netlink_sendmsg+0x723/0xbe0 [ 2886.243211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2886.243211][ T10] ___sys_sendmsg+0xee/0x170 [ 2886.243211][ T10] __sys_sendmsg+0xcd/0x170 [ 2886.243211][ T10] do_syscall_64+0xc6/0x1e0 [ 2886.243211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2886.243211][ T10] [ 2896.485989][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2896.486673][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2896.486673][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.486673][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.486673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.486673][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.486673][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.486673][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.486673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.486673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.486673][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.486673][ T10] netlink_unicast+0x449/0x710 [ 2896.486673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.486673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.486673][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.486673][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.486673][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.486673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.486673][ T10] [ 2896.488762][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2896.488762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.488762][ T10] ipv6_find_idev+0x102/0x170 [ 2896.488762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.488762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.488762][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.488762][ T10] netlink_unicast+0x449/0x710 [ 2896.488762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.488762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.488762][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.488762][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.488762][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.488762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.488762][ T10] [ 2896.490315][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2896.490315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.490315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.490315][ T10] ipv6_find_idev+0x102/0x170 [ 2896.490315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.490315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.490315][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.490315][ T10] netlink_unicast+0x449/0x710 [ 2896.490315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.490315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.490315][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.490315][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.490315][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.490315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.490315][ T10] [ 2896.492002][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2896.492278][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2896.492278][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.492278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.492278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.492278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.492278][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.492278][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.492278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.492278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.492278][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.492278][ T10] netlink_unicast+0x449/0x710 [ 2896.492278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.492278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.492278][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.492278][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.492278][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.492278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.492278][ T10] [ 2896.494321][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2896.494321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.494321][ T10] ipv6_find_idev+0x102/0x170 [ 2896.494321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.494321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.494321][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.494321][ T10] netlink_unicast+0x449/0x710 [ 2896.494321][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.494321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.494321][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.494321][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.494321][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.494321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.494321][ T10] [ 2896.495902][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2896.495902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.495902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.495902][ T10] ipv6_find_idev+0x102/0x170 [ 2896.495902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.495902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.495902][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.495902][ T10] netlink_unicast+0x449/0x710 [ 2896.495902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.495902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.495902][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.495902][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.495902][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.495902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.495902][ T10] [ 2896.497621][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2896.497926][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2896.497926][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.497926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.497926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.497926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.497926][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.497926][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.497926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.497926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.497926][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.497926][ T10] netlink_unicast+0x449/0x710 [ 2896.497926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.497926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.497926][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.497926][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.497926][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.497926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.497926][ T10] [ 2896.500066][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2896.500066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.500066][ T10] ipv6_find_idev+0x102/0x170 [ 2896.500066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.500066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.500066][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.500066][ T10] netlink_unicast+0x449/0x710 [ 2896.500066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.500066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.500066][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.500066][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.500066][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.500066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.500066][ T10] [ 2896.501655][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2896.501655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.501655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.501655][ T10] ipv6_find_idev+0x102/0x170 [ 2896.501655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.501655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.501655][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.501655][ T10] netlink_unicast+0x449/0x710 [ 2896.501655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.501655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.501655][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.501655][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.501655][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.501655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.501655][ T10] [ 2896.503372][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2896.503661][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2896.503661][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.503661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.503661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.503661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.503661][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.503661][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.503661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.503661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.503661][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.503661][ T10] netlink_unicast+0x449/0x710 [ 2896.503661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.503661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.503661][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.503661][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.503661][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.503661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.503661][ T10] [ 2896.505807][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2896.505807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.505807][ T10] ipv6_find_idev+0x102/0x170 [ 2896.505807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.505807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.505807][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.505807][ T10] netlink_unicast+0x449/0x710 [ 2896.505807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.505807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.505807][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.505807][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.505807][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.505807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.505807][ T10] [ 2896.507379][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2896.507379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.507379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.507379][ T10] ipv6_find_idev+0x102/0x170 [ 2896.507379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.507379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.507379][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.507379][ T10] netlink_unicast+0x449/0x710 [ 2896.507379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.507379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.507379][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.507379][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.507379][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.507379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.507379][ T10] [ 2896.509129][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2896.509396][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2896.509396][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.509396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.509396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.509396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.509396][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.509396][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.509396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.509396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.509396][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.509396][ T10] netlink_unicast+0x449/0x710 [ 2896.509396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.509396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.509396][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.509396][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.509396][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.509396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.509396][ T10] [ 2896.511416][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2896.511416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.511416][ T10] ipv6_find_idev+0x102/0x170 [ 2896.511416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.511416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.511416][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.511416][ T10] netlink_unicast+0x449/0x710 [ 2896.511416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.511416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.511416][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.511416][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.511416][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.511416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.511416][ T10] [ 2896.513015][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2896.513015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.513015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.513015][ T10] ipv6_find_idev+0x102/0x170 [ 2896.513015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.513015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.513015][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.513015][ T10] netlink_unicast+0x449/0x710 [ 2896.513015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.513015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.513015][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.513015][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.513015][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.513015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.513015][ T10] [ 2896.514963][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2896.515273][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2896.515273][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.515273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.515273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.515273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.515273][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.515273][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.515273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.515273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.515273][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.515273][ T10] netlink_unicast+0x449/0x710 [ 2896.515273][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.515273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.515273][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.515273][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.515273][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.515273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.515273][ T10] [ 2896.517461][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2896.517461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.517461][ T10] ipv6_find_idev+0x102/0x170 [ 2896.517461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.517461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.517461][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.517461][ T10] netlink_unicast+0x449/0x710 [ 2896.517461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.517461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.517461][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.517461][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.517461][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.517461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.517461][ T10] [ 2896.519199][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2896.519199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.519199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.519199][ T10] ipv6_find_idev+0x102/0x170 [ 2896.519199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.519199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.519199][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.519199][ T10] netlink_unicast+0x449/0x710 [ 2896.519199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.519199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.519199][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.519199][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.519199][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.519199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.519199][ T10] [ 2896.521087][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2896.521348][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2896.521348][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.521348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.521348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.521348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.521348][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.521348][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.521348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.521348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.521348][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.521348][ T10] netlink_unicast+0x449/0x710 [ 2896.521348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.521348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.521348][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.521348][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.521348][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.521348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.521348][ T10] [ 2896.523527][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2896.523527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.523527][ T10] ipv6_find_idev+0x102/0x170 [ 2896.523527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.523527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.523527][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.523527][ T10] netlink_unicast+0x449/0x710 [ 2896.523527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.523527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.523527][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.523527][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.523527][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.523527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.523527][ T10] [ 2896.525403][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2896.525403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.525403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.525403][ T10] ipv6_find_idev+0x102/0x170 [ 2896.525403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.525403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.525403][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.525403][ T10] netlink_unicast+0x449/0x710 [ 2896.525403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.525403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.525403][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.525403][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.525403][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.525403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.525403][ T10] [ 2896.527319][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2896.527583][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2896.527583][ T10] netdev_get_by_index+0x5e/0x80 [ 2896.527583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2896.527583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2896.527583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2896.527583][ T10] ipv6_add_addr+0x411/0x2000 [ 2896.527583][ T10] inet6_addr_add+0x30e/0xa40 [ 2896.527583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2896.527583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.527583][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.527583][ T10] netlink_unicast+0x449/0x710 [ 2896.527583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.527583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.527583][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.527583][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.527583][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.527583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.527583][ T10] [ 2896.529842][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2896.529842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2896.529842][ T10] ipv6_find_idev+0x102/0x170 [ 2896.529842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.529842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.529842][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.529842][ T10] netlink_unicast+0x449/0x710 [ 2896.529842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.529842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.529842][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.529842][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.529842][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.529842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.529842][ T10] [ 2896.531538][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2896.531538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2896.531538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2896.531538][ T10] ipv6_find_idev+0x102/0x170 [ 2896.531538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2896.531538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2896.531538][ T10] netlink_rcv_skb+0x130/0x360 [ 2896.531538][ T10] netlink_unicast+0x449/0x710 [ 2896.531538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2896.531538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2896.531538][ T10] ___sys_sendmsg+0xee/0x170 [ 2896.531538][ T10] __sys_sendmsg+0xcd/0x170 [ 2896.531538][ T10] do_syscall_64+0xc6/0x1e0 [ 2896.531538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2896.531538][ T10] [ 2906.773942][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2906.774638][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2906.774638][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.774638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.774638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.774638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.774638][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.774638][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.774638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.774638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.774638][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.774638][ T10] netlink_unicast+0x449/0x710 [ 2906.774638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.774638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.774638][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.774638][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.774638][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.774638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.774638][ T10] [ 2906.776699][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2906.776699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.776699][ T10] ipv6_find_idev+0x102/0x170 [ 2906.776699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.776699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.776699][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.776699][ T10] netlink_unicast+0x449/0x710 [ 2906.776699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.776699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.776699][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.776699][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.776699][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.776699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.776699][ T10] [ 2906.778287][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2906.778287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.778287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.778287][ T10] ipv6_find_idev+0x102/0x170 [ 2906.778287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.778287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.778287][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.778287][ T10] netlink_unicast+0x449/0x710 [ 2906.778287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.778287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.778287][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.778287][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.778287][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.778287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.778287][ T10] [ 2906.779927][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2906.780178][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2906.780178][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.780178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.780178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.780178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.780178][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.780178][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.780178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.780178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.780178][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.780178][ T10] netlink_unicast+0x449/0x710 [ 2906.780178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.780178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.780178][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.780178][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.780178][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.780178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.780178][ T10] [ 2906.782190][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2906.782190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.782190][ T10] ipv6_find_idev+0x102/0x170 [ 2906.782190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.782190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.782190][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.782190][ T10] netlink_unicast+0x449/0x710 [ 2906.782190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.782190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.782190][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.782190][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.782190][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.782190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.782190][ T10] [ 2906.783896][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2906.783896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.783896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.783896][ T10] ipv6_find_idev+0x102/0x170 [ 2906.783896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.783896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.783896][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.783896][ T10] netlink_unicast+0x449/0x710 [ 2906.783896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.783896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.783896][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.783896][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.783896][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.783896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.783896][ T10] [ 2906.785636][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2906.785929][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2906.785929][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.785929][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.785929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.785929][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.785929][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.785929][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.785929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.785929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.785929][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.785929][ T10] netlink_unicast+0x449/0x710 [ 2906.785929][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.785929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.785929][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.785929][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.785929][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.785929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.785929][ T10] [ 2906.788040][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2906.788040][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.788040][ T10] ipv6_find_idev+0x102/0x170 [ 2906.788040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.788040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.788040][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.788040][ T10] netlink_unicast+0x449/0x710 [ 2906.788040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.788040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.788040][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.788040][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.788040][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.788040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.788040][ T10] [ 2906.789672][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2906.789672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.789672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.789672][ T10] ipv6_find_idev+0x102/0x170 [ 2906.789672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.789672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.789672][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.789672][ T10] netlink_unicast+0x449/0x710 [ 2906.789672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.789672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.789672][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.789672][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.789672][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.789672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.789672][ T10] [ 2906.791405][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2906.791674][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2906.791674][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.791674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.791674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.791674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.791674][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.791674][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.791674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.791674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.791674][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.791674][ T10] netlink_unicast+0x449/0x710 [ 2906.791674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.791674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.791674][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.791674][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.791674][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.791674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.791674][ T10] [ 2906.793719][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2906.793719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.793719][ T10] ipv6_find_idev+0x102/0x170 [ 2906.793719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.793719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.793719][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.793719][ T10] netlink_unicast+0x449/0x710 [ 2906.793719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.793719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.793719][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.793719][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.793719][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.793719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.793719][ T10] [ 2906.795332][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2906.795332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.795332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.795332][ T10] ipv6_find_idev+0x102/0x170 [ 2906.795332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.795332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.795332][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.795332][ T10] netlink_unicast+0x449/0x710 [ 2906.795332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.795332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.795332][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.795332][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.795332][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.795332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.795332][ T10] [ 2906.797517][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2906.797798][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2906.797798][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.797798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.797798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.797798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.797798][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.797798][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.797798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.797798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.797798][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.797798][ T10] netlink_unicast+0x449/0x710 [ 2906.797798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.797798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.797798][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.797798][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.797798][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.797798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.797798][ T10] [ 2906.799888][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2906.799888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.799888][ T10] ipv6_find_idev+0x102/0x170 [ 2906.799888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.799888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.799888][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.799888][ T10] netlink_unicast+0x449/0x710 [ 2906.799888][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.799888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.799888][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.799888][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.799888][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.799888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.799888][ T10] [ 2906.801483][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2906.801483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.801483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.801483][ T10] ipv6_find_idev+0x102/0x170 [ 2906.801483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.801483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.801483][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.801483][ T10] netlink_unicast+0x449/0x710 [ 2906.801483][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.801483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.801483][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.801483][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.801483][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.801483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.801483][ T10] [ 2906.803288][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2906.803563][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2906.803563][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.803563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.803563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.803563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.803563][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.803563][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.803563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.803563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.803563][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.803563][ T10] netlink_unicast+0x449/0x710 [ 2906.803563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.803563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.803563][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.803563][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.803563][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.803563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.803563][ T10] [ 2906.805847][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2906.805847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.805847][ T10] ipv6_find_idev+0x102/0x170 [ 2906.805847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.805847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.805847][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.805847][ T10] netlink_unicast+0x449/0x710 [ 2906.805847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.805847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.805847][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.805847][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.805847][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.805847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.805847][ T10] [ 2906.807718][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2906.807718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.807718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.807718][ T10] ipv6_find_idev+0x102/0x170 [ 2906.807718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.807718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.807718][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.807718][ T10] netlink_unicast+0x449/0x710 [ 2906.807718][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.807718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.807718][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.807718][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.807718][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.807718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.807718][ T10] [ 2906.809717][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2906.810039][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2906.810039][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.810039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.810039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.810039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.810039][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.810039][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.810039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.810039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.810039][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.810039][ T10] netlink_unicast+0x449/0x710 [ 2906.810039][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.810039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.810039][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.810039][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.810039][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.810039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.810039][ T10] [ 2906.812302][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2906.812302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.812302][ T10] ipv6_find_idev+0x102/0x170 [ 2906.812302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.812302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.812302][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.812302][ T10] netlink_unicast+0x449/0x710 [ 2906.812302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.812302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.812302][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.812302][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.812302][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.812302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.812302][ T10] [ 2906.814143][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2906.814143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.814143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.814143][ T10] ipv6_find_idev+0x102/0x170 [ 2906.814143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.814143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.814143][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.814143][ T10] netlink_unicast+0x449/0x710 [ 2906.814143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.814143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.814143][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.814143][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.814143][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.814143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.814143][ T10] [ 2906.816119][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2906.816393][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2906.816393][ T10] netdev_get_by_index+0x5e/0x80 [ 2906.816393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2906.816393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2906.816393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2906.816393][ T10] ipv6_add_addr+0x411/0x2000 [ 2906.816393][ T10] inet6_addr_add+0x30e/0xa40 [ 2906.816393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2906.816393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.816393][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.816393][ T10] netlink_unicast+0x449/0x710 [ 2906.816393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.816393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.816393][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.816393][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.816393][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.816393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.816393][ T10] [ 2906.818788][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2906.818788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2906.818788][ T10] ipv6_find_idev+0x102/0x170 [ 2906.818788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.818788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.818788][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.818788][ T10] netlink_unicast+0x449/0x710 [ 2906.818788][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.818788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.818788][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.818788][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.818788][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.818788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.818788][ T10] [ 2906.820525][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2906.820525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2906.820525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2906.820525][ T10] ipv6_find_idev+0x102/0x170 [ 2906.820525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2906.820525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2906.820525][ T10] netlink_rcv_skb+0x130/0x360 [ 2906.820525][ T10] netlink_unicast+0x449/0x710 [ 2906.820525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2906.820525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2906.820525][ T10] ___sys_sendmsg+0xee/0x170 [ 2906.820525][ T10] __sys_sendmsg+0xcd/0x170 [ 2906.820525][ T10] do_syscall_64+0xc6/0x1e0 [ 2906.820525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2906.820525][ T10] [ 2916.885932][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2916.886552][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2916.886552][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.886552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.886552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.886552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.886552][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.886552][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.886552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.886552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.886552][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.886552][ T10] netlink_unicast+0x449/0x710 [ 2916.886552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.886552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.886552][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.886552][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.886552][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.886552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.886552][ T10] [ 2916.888710][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2916.888710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.888710][ T10] ipv6_find_idev+0x102/0x170 [ 2916.888710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.888710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.888710][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.888710][ T10] netlink_unicast+0x449/0x710 [ 2916.888710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.888710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.888710][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.888710][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.888710][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.888710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.888710][ T10] [ 2916.890272][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2916.890272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.890272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.890272][ T10] ipv6_find_idev+0x102/0x170 [ 2916.890272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.890272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.890272][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.890272][ T10] netlink_unicast+0x449/0x710 [ 2916.890272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.890272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.890272][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.890272][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.890272][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.890272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.890272][ T10] [ 2916.891977][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2916.892271][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2916.892271][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.892271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.892271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.892271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.892271][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.892271][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.892271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.892271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.892271][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.892271][ T10] netlink_unicast+0x449/0x710 [ 2916.892271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.892271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.892271][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.892271][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.892271][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.892271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.892271][ T10] [ 2916.894365][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2916.894365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.894365][ T10] ipv6_find_idev+0x102/0x170 [ 2916.894365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.894365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.894365][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.894365][ T10] netlink_unicast+0x449/0x710 [ 2916.894365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.894365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.894365][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.894365][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.894365][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.894365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.894365][ T10] [ 2916.895930][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2916.895930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.895930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.895930][ T10] ipv6_find_idev+0x102/0x170 [ 2916.895930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.895930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.895930][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.895930][ T10] netlink_unicast+0x449/0x710 [ 2916.895930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.895930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.895930][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.895930][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.895930][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.895930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.895930][ T10] [ 2916.897570][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2916.897839][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2916.897839][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.897839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.897839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.897839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.897839][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.897839][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.897839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.897839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.897839][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.897839][ T10] netlink_unicast+0x449/0x710 [ 2916.897839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.897839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.897839][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.897839][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.897839][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.897839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.897839][ T10] [ 2916.899796][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2916.899796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.899796][ T10] ipv6_find_idev+0x102/0x170 [ 2916.899796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.899796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.899796][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.899796][ T10] netlink_unicast+0x449/0x710 [ 2916.899796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.899796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.899796][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.899796][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.899796][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.899796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.899796][ T10] [ 2916.901293][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2916.901293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.901293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.901293][ T10] ipv6_find_idev+0x102/0x170 [ 2916.901293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.901293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.901293][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.901293][ T10] netlink_unicast+0x449/0x710 [ 2916.901293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.901293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.901293][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.901293][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.901293][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.901293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.901293][ T10] [ 2916.902929][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2916.903184][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2916.903184][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.903184][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.903184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.903184][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.903184][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.903184][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.903184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.903184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.903184][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.903184][ T10] netlink_unicast+0x449/0x710 [ 2916.903184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.903184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.903184][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.903184][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.903184][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.903184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.903184][ T10] [ 2916.905212][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2916.905212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.905212][ T10] ipv6_find_idev+0x102/0x170 [ 2916.905212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.905212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.905212][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.905212][ T10] netlink_unicast+0x449/0x710 [ 2916.905212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.905212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.905212][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.905212][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.905212][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.905212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.905212][ T10] [ 2916.906774][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2916.906774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.906774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.906774][ T10] ipv6_find_idev+0x102/0x170 [ 2916.906774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.906774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.906774][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.906774][ T10] netlink_unicast+0x449/0x710 [ 2916.906774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.906774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.906774][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.906774][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.906774][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.906774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.906774][ T10] [ 2916.908949][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2916.909232][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2916.909232][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.909232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.909232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.909232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.909232][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.909232][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.909232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.909232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.909232][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.909232][ T10] netlink_unicast+0x449/0x710 [ 2916.909232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.909232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.909232][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.909232][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.909232][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.909232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.909232][ T10] [ 2916.911270][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2916.911270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.911270][ T10] ipv6_find_idev+0x102/0x170 [ 2916.911270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.911270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.911270][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.911270][ T10] netlink_unicast+0x449/0x710 [ 2916.911270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.911270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.911270][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.911270][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.911270][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.911270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.911270][ T10] [ 2916.912910][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2916.912910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.912910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.912910][ T10] ipv6_find_idev+0x102/0x170 [ 2916.912910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.912910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.912910][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.912910][ T10] netlink_unicast+0x449/0x710 [ 2916.912910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.912910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.912910][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.912910][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.912910][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.912910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.912910][ T10] [ 2916.914706][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2916.915032][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2916.915032][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.915032][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.915032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.915032][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.915032][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.915032][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.915032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.915032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.915032][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.915032][ T10] netlink_unicast+0x449/0x710 [ 2916.915032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.915032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.915032][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.915032][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.915032][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.915032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.915032][ T10] [ 2916.917215][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2916.917215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.917215][ T10] ipv6_find_idev+0x102/0x170 [ 2916.917215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.917215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.917215][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.917215][ T10] netlink_unicast+0x449/0x710 [ 2916.917215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.917215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.917215][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.917215][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.917215][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.917215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.917215][ T10] [ 2916.919027][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2916.919027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.919027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.919027][ T10] ipv6_find_idev+0x102/0x170 [ 2916.919027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.919027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.919027][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.919027][ T10] netlink_unicast+0x449/0x710 [ 2916.919027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.919027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.919027][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.919027][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.919027][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.919027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.919027][ T10] [ 2916.921073][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2916.921350][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2916.921350][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.921350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.921350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.921350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.921350][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.921350][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.921350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.921350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.921350][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.921350][ T10] netlink_unicast+0x449/0x710 [ 2916.921350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.921350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.921350][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.921350][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.921350][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.921350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.921350][ T10] [ 2916.923670][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2916.923670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.923670][ T10] ipv6_find_idev+0x102/0x170 [ 2916.923670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.923670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.923670][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.923670][ T10] netlink_unicast+0x449/0x710 [ 2916.923670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.923670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.923670][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.923670][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.923670][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.923670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.923670][ T10] [ 2916.925460][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2916.925460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.925460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.925460][ T10] ipv6_find_idev+0x102/0x170 [ 2916.925460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.925460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.925460][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.925460][ T10] netlink_unicast+0x449/0x710 [ 2916.925460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.925460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.925460][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.925460][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.925460][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.925460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.925460][ T10] [ 2916.927500][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2916.927768][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2916.927768][ T10] netdev_get_by_index+0x5e/0x80 [ 2916.927768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2916.927768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2916.927768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2916.927768][ T10] ipv6_add_addr+0x411/0x2000 [ 2916.927768][ T10] inet6_addr_add+0x30e/0xa40 [ 2916.927768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2916.927768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.927768][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.927768][ T10] netlink_unicast+0x449/0x710 [ 2916.927768][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.927768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.927768][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.927768][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.927768][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.927768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.927768][ T10] [ 2916.930582][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2916.930582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2916.930582][ T10] ipv6_find_idev+0x102/0x170 [ 2916.930582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.930582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.930582][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.930582][ T10] netlink_unicast+0x449/0x710 [ 2916.930582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.930582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.930582][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.930582][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.930582][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.930582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.930582][ T10] [ 2916.932314][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2916.932314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2916.932314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2916.932314][ T10] ipv6_find_idev+0x102/0x170 [ 2916.932314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2916.932314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2916.932314][ T10] netlink_rcv_skb+0x130/0x360 [ 2916.932314][ T10] netlink_unicast+0x449/0x710 [ 2916.932314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2916.932314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2916.932314][ T10] ___sys_sendmsg+0xee/0x170 [ 2916.932314][ T10] __sys_sendmsg+0xcd/0x170 [ 2916.932314][ T10] do_syscall_64+0xc6/0x1e0 [ 2916.932314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2916.932314][ T10] [ 2927.173990][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2927.174553][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2927.174553][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.174553][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.174553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.174553][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.174553][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.174553][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.174553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.174553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.174553][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.174553][ T10] netlink_unicast+0x449/0x710 [ 2927.174553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.174553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.174553][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.174553][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.174553][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.174553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.174553][ T10] [ 2927.176590][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2927.176590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.176590][ T10] ipv6_find_idev+0x102/0x170 [ 2927.176590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.176590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.176590][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.176590][ T10] netlink_unicast+0x449/0x710 [ 2927.176590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.176590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.176590][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.176590][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.176590][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.176590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.176590][ T10] [ 2927.178163][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2927.178163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.178163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.178163][ T10] ipv6_find_idev+0x102/0x170 [ 2927.178163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.178163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.178163][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.178163][ T10] netlink_unicast+0x449/0x710 [ 2927.178163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.178163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.178163][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.178163][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.178163][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.178163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.178163][ T10] [ 2927.179832][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2927.180098][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2927.180098][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.180098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.180098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.180098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.180098][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.180098][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.180098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.180098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.180098][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.180098][ T10] netlink_unicast+0x449/0x710 [ 2927.180098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.180098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.180098][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.180098][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.180098][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.180098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.180098][ T10] [ 2927.182153][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2927.182153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.182153][ T10] ipv6_find_idev+0x102/0x170 [ 2927.182153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.182153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.182153][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.182153][ T10] netlink_unicast+0x449/0x710 [ 2927.182153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.182153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.182153][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.182153][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.182153][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.182153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.182153][ T10] [ 2927.183701][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2927.183701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.183701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.183701][ T10] ipv6_find_idev+0x102/0x170 [ 2927.183701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.183701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.183701][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.183701][ T10] netlink_unicast+0x449/0x710 [ 2927.183701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.183701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.183701][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.183701][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.183701][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.183701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.183701][ T10] [ 2927.185351][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2927.185636][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2927.185636][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.185636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.185636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.185636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.185636][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.185636][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.185636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.185636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.185636][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.185636][ T10] netlink_unicast+0x449/0x710 [ 2927.185636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.185636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.185636][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.185636][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.185636][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.185636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.185636][ T10] [ 2927.187658][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2927.187658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.187658][ T10] ipv6_find_idev+0x102/0x170 [ 2927.187658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.187658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.187658][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.187658][ T10] netlink_unicast+0x449/0x710 [ 2927.187658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.187658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.187658][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.187658][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.187658][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.187658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.187658][ T10] [ 2927.189223][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2927.189223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.189223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.189223][ T10] ipv6_find_idev+0x102/0x170 [ 2927.189223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.189223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.189223][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.189223][ T10] netlink_unicast+0x449/0x710 [ 2927.189223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.189223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.189223][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.189223][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.189223][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.189223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.189223][ T10] [ 2927.190866][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2927.191133][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2927.191133][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.191133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.191133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.191133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.191133][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.191133][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.191133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.191133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.191133][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.191133][ T10] netlink_unicast+0x449/0x710 [ 2927.191133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.191133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.191133][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.191133][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.191133][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.191133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.191133][ T10] [ 2927.193152][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2927.193152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.193152][ T10] ipv6_find_idev+0x102/0x170 [ 2927.193152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.193152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.193152][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.193152][ T10] netlink_unicast+0x449/0x710 [ 2927.193152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.193152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.193152][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.193152][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.193152][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.193152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.193152][ T10] [ 2927.194686][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2927.194686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.194686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.194686][ T10] ipv6_find_idev+0x102/0x170 [ 2927.194686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.194686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.194686][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.194686][ T10] netlink_unicast+0x449/0x710 [ 2927.194686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.194686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.194686][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.194686][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.194686][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.194686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.194686][ T10] [ 2927.196419][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2927.196727][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2927.196727][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.196727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.196727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.196727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.196727][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.196727][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.196727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.196727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.196727][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.196727][ T10] netlink_unicast+0x449/0x710 [ 2927.196727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.196727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.196727][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.196727][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.196727][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.196727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.196727][ T10] [ 2927.199117][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2927.199117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.199117][ T10] ipv6_find_idev+0x102/0x170 [ 2927.199117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.199117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.199117][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.199117][ T10] netlink_unicast+0x449/0x710 [ 2927.199117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.199117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.199117][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.199117][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.199117][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.199117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.199117][ T10] [ 2927.200681][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2927.200681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.200681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.200681][ T10] ipv6_find_idev+0x102/0x170 [ 2927.200681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.200681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.200681][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.200681][ T10] netlink_unicast+0x449/0x710 [ 2927.200681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.200681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.200681][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.200681][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.200681][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.200681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.200681][ T10] [ 2927.202682][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2927.203000][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2927.203000][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.203000][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.203000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.203000][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.203000][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.203000][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.203000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.203000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.203000][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.203000][ T10] netlink_unicast+0x449/0x710 [ 2927.203000][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.203000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.203000][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.203000][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.203000][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.203000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.203000][ T10] [ 2927.205185][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2927.205185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.205185][ T10] ipv6_find_idev+0x102/0x170 [ 2927.205185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.205185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.205185][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.205185][ T10] netlink_unicast+0x449/0x710 [ 2927.205185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.205185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.205185][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.205185][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.205185][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.205185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.205185][ T10] [ 2927.206925][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2927.206925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.206925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.206925][ T10] ipv6_find_idev+0x102/0x170 [ 2927.206925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.206925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.206925][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.206925][ T10] netlink_unicast+0x449/0x710 [ 2927.206925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.206925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.206925][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.206925][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.206925][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.206925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.206925][ T10] [ 2927.208818][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2927.209087][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2927.209087][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.209087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.209087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.209087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.209087][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.209087][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.209087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.209087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.209087][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.209087][ T10] netlink_unicast+0x449/0x710 [ 2927.209087][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.209087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.209087][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.209087][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.209087][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.209087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.209087][ T10] [ 2927.211336][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2927.211336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.211336][ T10] ipv6_find_idev+0x102/0x170 [ 2927.211336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.211336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.211336][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.211336][ T10] netlink_unicast+0x449/0x710 [ 2927.211336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.211336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.211336][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.211336][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.211336][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.211336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.211336][ T10] [ 2927.213096][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2927.213096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.213096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.213096][ T10] ipv6_find_idev+0x102/0x170 [ 2927.213096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.213096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.213096][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.213096][ T10] netlink_unicast+0x449/0x710 [ 2927.213096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.213096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.213096][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.213096][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.213096][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.213096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.213096][ T10] [ 2927.214947][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2927.215209][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2927.215209][ T10] netdev_get_by_index+0x5e/0x80 [ 2927.215209][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2927.215209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2927.215209][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2927.215209][ T10] ipv6_add_addr+0x411/0x2000 [ 2927.215209][ T10] inet6_addr_add+0x30e/0xa40 [ 2927.215209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2927.215209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.215209][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.215209][ T10] netlink_unicast+0x449/0x710 [ 2927.215209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.215209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.215209][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.215209][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.215209][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.215209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.215209][ T10] [ 2927.217414][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2927.217414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2927.217414][ T10] ipv6_find_idev+0x102/0x170 [ 2927.217414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.217414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.217414][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.217414][ T10] netlink_unicast+0x449/0x710 [ 2927.217414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.217414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.217414][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.217414][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.217414][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.217414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.217414][ T10] [ 2927.219084][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2927.219084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2927.219084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2927.219084][ T10] ipv6_find_idev+0x102/0x170 [ 2927.219084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2927.219084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2927.219084][ T10] netlink_rcv_skb+0x130/0x360 [ 2927.219084][ T10] netlink_unicast+0x449/0x710 [ 2927.219084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2927.219084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2927.219084][ T10] ___sys_sendmsg+0xee/0x170 [ 2927.219084][ T10] __sys_sendmsg+0xcd/0x170 [ 2927.219084][ T10] do_syscall_64+0xc6/0x1e0 [ 2927.219084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2927.219084][ T10] [ 2937.461950][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2937.462524][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2937.462524][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.462524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.462524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.462524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.462524][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.462524][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.462524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.462524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.462524][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.462524][ T10] netlink_unicast+0x449/0x710 [ 2937.462524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.462524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.462524][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.462524][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.462524][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.462524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.462524][ T10] [ 2937.464472][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2937.464472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.464472][ T10] ipv6_find_idev+0x102/0x170 [ 2937.464472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.464472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.464472][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.464472][ T10] netlink_unicast+0x449/0x710 [ 2937.464472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.464472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.464472][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.464472][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.464472][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.464472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.464472][ T10] [ 2937.465980][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2937.465980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.465980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.465980][ T10] ipv6_find_idev+0x102/0x170 [ 2937.465980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.465980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.465980][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.465980][ T10] netlink_unicast+0x449/0x710 [ 2937.465980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.465980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.465980][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.465980][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.465980][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.465980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.465980][ T10] [ 2937.467564][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2937.467854][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2937.467854][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.467854][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.467854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.467854][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.467854][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.467854][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.467854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.467854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.467854][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.467854][ T10] netlink_unicast+0x449/0x710 [ 2937.467854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.467854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.467854][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.467854][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.467854][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.467854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.467854][ T10] [ 2937.469860][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2937.469860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.469860][ T10] ipv6_find_idev+0x102/0x170 [ 2937.469860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.469860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.469860][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.469860][ T10] netlink_unicast+0x449/0x710 [ 2937.469860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.469860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.469860][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.469860][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.469860][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.469860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.469860][ T10] [ 2937.471340][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2937.471340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.471340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.471340][ T10] ipv6_find_idev+0x102/0x170 [ 2937.471340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.471340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.471340][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.471340][ T10] netlink_unicast+0x449/0x710 [ 2937.471340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.471340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.471340][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.471340][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.471340][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.471340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.471340][ T10] [ 2937.472971][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2937.473239][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2937.473239][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.473239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.473239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.473239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.473239][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.473239][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.473239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.473239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.473239][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.473239][ T10] netlink_unicast+0x449/0x710 [ 2937.473239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.473239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.473239][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.473239][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.473239][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.473239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.473239][ T10] [ 2937.475239][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2937.475239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.475239][ T10] ipv6_find_idev+0x102/0x170 [ 2937.475239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.475239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.475239][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.475239][ T10] netlink_unicast+0x449/0x710 [ 2937.475239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.475239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.475239][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.475239][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.475239][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.475239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.475239][ T10] [ 2937.476826][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2937.476826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.476826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.476826][ T10] ipv6_find_idev+0x102/0x170 [ 2937.476826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.476826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.476826][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.476826][ T10] netlink_unicast+0x449/0x710 [ 2937.476826][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.476826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.476826][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.476826][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.476826][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.476826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.476826][ T10] [ 2937.478938][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2937.479216][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2937.479216][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.479216][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.479216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.479216][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.479216][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.479216][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.479216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.479216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.479216][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.479216][ T10] netlink_unicast+0x449/0x710 [ 2937.479216][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.479216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.479216][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.479216][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.479216][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.479216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.479216][ T10] [ 2937.481218][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2937.481218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.481218][ T10] ipv6_find_idev+0x102/0x170 [ 2937.481218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.481218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.481218][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.481218][ T10] netlink_unicast+0x449/0x710 [ 2937.481218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.481218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.481218][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.481218][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.481218][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.481218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.481218][ T10] [ 2937.482740][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2937.482740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.482740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.482740][ T10] ipv6_find_idev+0x102/0x170 [ 2937.482740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.482740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.482740][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.482740][ T10] netlink_unicast+0x449/0x710 [ 2937.482740][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.482740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.482740][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.482740][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.482740][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.482740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.482740][ T10] [ 2937.484425][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2937.484709][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2937.484709][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.484709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.484709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.484709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.484709][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.484709][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.484709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.484709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.484709][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.484709][ T10] netlink_unicast+0x449/0x710 [ 2937.484709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.484709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.484709][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.484709][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.484709][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.484709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.484709][ T10] [ 2937.486731][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2937.486731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.486731][ T10] ipv6_find_idev+0x102/0x170 [ 2937.486731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.486731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.486731][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.486731][ T10] netlink_unicast+0x449/0x710 [ 2937.486731][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.486731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.486731][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.486731][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.486731][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.486731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.486731][ T10] [ 2937.488332][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2937.488332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.488332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.488332][ T10] ipv6_find_idev+0x102/0x170 [ 2937.488332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.488332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.488332][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.488332][ T10] netlink_unicast+0x449/0x710 [ 2937.488332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.488332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.488332][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.488332][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.488332][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.488332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.488332][ T10] [ 2937.490067][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2937.490327][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2937.490327][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.490327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.490327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.490327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.490327][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.490327][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.490327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.490327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.490327][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.490327][ T10] netlink_unicast+0x449/0x710 [ 2937.490327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.490327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.490327][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.490327][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.490327][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.490327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.490327][ T10] [ 2937.492423][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2937.492423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.492423][ T10] ipv6_find_idev+0x102/0x170 [ 2937.492423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.492423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.492423][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.492423][ T10] netlink_unicast+0x449/0x710 [ 2937.492423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.492423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.492423][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.492423][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.492423][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.492423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.492423][ T10] [ 2937.494163][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2937.494163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.494163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.494163][ T10] ipv6_find_idev+0x102/0x170 [ 2937.494163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.494163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.494163][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.494163][ T10] netlink_unicast+0x449/0x710 [ 2937.494163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.494163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.494163][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.494163][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.494163][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.494163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.494163][ T10] [ 2937.496066][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2937.496340][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2937.496340][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.496340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.496340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.496340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.496340][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.496340][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.496340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.496340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.496340][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.496340][ T10] netlink_unicast+0x449/0x710 [ 2937.496340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.496340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.496340][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.496340][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.496340][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.496340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.496340][ T10] [ 2937.498597][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2937.498597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.498597][ T10] ipv6_find_idev+0x102/0x170 [ 2937.498597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.498597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.498597][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.498597][ T10] netlink_unicast+0x449/0x710 [ 2937.498597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.498597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.498597][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.498597][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.498597][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.498597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.498597][ T10] [ 2937.500306][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2937.500306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.500306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.500306][ T10] ipv6_find_idev+0x102/0x170 [ 2937.500306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.500306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.500306][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.500306][ T10] netlink_unicast+0x449/0x710 [ 2937.500306][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.500306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.500306][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.500306][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.500306][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.500306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.500306][ T10] [ 2937.502201][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2937.502515][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2937.502515][ T10] netdev_get_by_index+0x5e/0x80 [ 2937.502515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2937.502515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2937.502515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2937.502515][ T10] ipv6_add_addr+0x411/0x2000 [ 2937.502515][ T10] inet6_addr_add+0x30e/0xa40 [ 2937.502515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2937.502515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.502515][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.502515][ T10] netlink_unicast+0x449/0x710 [ 2937.502515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.502515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.502515][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.502515][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.502515][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.502515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.502515][ T10] [ 2937.504693][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2937.504693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2937.504693][ T10] ipv6_find_idev+0x102/0x170 [ 2937.504693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.504693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.504693][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.504693][ T10] netlink_unicast+0x449/0x710 [ 2937.504693][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.504693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.504693][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.504693][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.504693][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.504693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.504693][ T10] [ 2937.506403][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2937.506403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2937.506403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2937.506403][ T10] ipv6_find_idev+0x102/0x170 [ 2937.506403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2937.506403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2937.506403][ T10] netlink_rcv_skb+0x130/0x360 [ 2937.506403][ T10] netlink_unicast+0x449/0x710 [ 2937.506403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2937.506403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2937.506403][ T10] ___sys_sendmsg+0xee/0x170 [ 2937.506403][ T10] __sys_sendmsg+0xcd/0x170 [ 2937.506403][ T10] do_syscall_64+0xc6/0x1e0 [ 2937.506403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2937.506403][ T10] [ 2947.749965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2947.750542][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2947.750542][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.750542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.750542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.750542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.750542][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.750542][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.750542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.750542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.750542][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.750542][ T10] netlink_unicast+0x449/0x710 [ 2947.750542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.750542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.750542][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.750542][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.750542][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.750542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.750542][ T10] [ 2947.752441][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2947.752441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.752441][ T10] ipv6_find_idev+0x102/0x170 [ 2947.752441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.752441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.752441][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.752441][ T10] netlink_unicast+0x449/0x710 [ 2947.752441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.752441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.752441][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.752441][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.752441][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.752441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.752441][ T10] [ 2947.753936][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2947.753936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.753936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.753936][ T10] ipv6_find_idev+0x102/0x170 [ 2947.753936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.753936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.753936][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.753936][ T10] netlink_unicast+0x449/0x710 [ 2947.753936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.753936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.753936][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.753936][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.753936][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.753936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.753936][ T10] [ 2947.755612][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2947.755894][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2947.755894][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.755894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.755894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.755894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.755894][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.755894][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.755894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.755894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.755894][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.755894][ T10] netlink_unicast+0x449/0x710 [ 2947.755894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.755894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.755894][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.755894][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.755894][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.755894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.755894][ T10] [ 2947.757917][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2947.757917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.757917][ T10] ipv6_find_idev+0x102/0x170 [ 2947.757917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.757917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.757917][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.757917][ T10] netlink_unicast+0x449/0x710 [ 2947.757917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.757917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.757917][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.757917][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.757917][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.757917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.757917][ T10] [ 2947.759514][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2947.759514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.759514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.759514][ T10] ipv6_find_idev+0x102/0x170 [ 2947.759514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.759514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.759514][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.759514][ T10] netlink_unicast+0x449/0x710 [ 2947.759514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.759514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.759514][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.759514][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.759514][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.759514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.759514][ T10] [ 2947.761215][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2947.761498][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2947.761498][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.761498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.761498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.761498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.761498][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.761498][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.761498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.761498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.761498][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.761498][ T10] netlink_unicast+0x449/0x710 [ 2947.761498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.761498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.761498][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.761498][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.761498][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.761498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.761498][ T10] [ 2947.763489][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2947.763489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.763489][ T10] ipv6_find_idev+0x102/0x170 [ 2947.763489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.763489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.763489][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.763489][ T10] netlink_unicast+0x449/0x710 [ 2947.763489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.763489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.763489][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.763489][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.763489][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.763489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.763489][ T10] [ 2947.765061][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2947.765061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.765061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.765061][ T10] ipv6_find_idev+0x102/0x170 [ 2947.765061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.765061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.765061][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.765061][ T10] netlink_unicast+0x449/0x710 [ 2947.765061][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.765061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.765061][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.765061][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.765061][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.765061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.765061][ T10] [ 2947.767144][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2947.767410][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2947.767410][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.767410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.767410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.767410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.767410][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.767410][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.767410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.767410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.767410][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.767410][ T10] netlink_unicast+0x449/0x710 [ 2947.767410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.767410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.767410][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.767410][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.767410][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.767410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.767410][ T10] [ 2947.769431][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2947.769431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.769431][ T10] ipv6_find_idev+0x102/0x170 [ 2947.769431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.769431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.769431][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.769431][ T10] netlink_unicast+0x449/0x710 [ 2947.769431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.769431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.769431][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.769431][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.769431][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.769431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.769431][ T10] [ 2947.770918][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2947.770918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.770918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.770918][ T10] ipv6_find_idev+0x102/0x170 [ 2947.770918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.770918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.770918][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.770918][ T10] netlink_unicast+0x449/0x710 [ 2947.770918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.770918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.770918][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.770918][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.770918][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.770918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.770918][ T10] [ 2947.772588][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2947.772902][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2947.772902][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.772902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.772902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.772902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.772902][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.772902][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.772902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.772902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.772902][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.772902][ T10] netlink_unicast+0x449/0x710 [ 2947.772902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.772902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.772902][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.772902][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.772902][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.772902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.772902][ T10] [ 2947.774822][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2947.774822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.774822][ T10] ipv6_find_idev+0x102/0x170 [ 2947.774822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.774822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.774822][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.774822][ T10] netlink_unicast+0x449/0x710 [ 2947.774822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.774822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.774822][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.774822][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.774822][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.774822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.774822][ T10] [ 2947.776355][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2947.776355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.776355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.776355][ T10] ipv6_find_idev+0x102/0x170 [ 2947.776355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.776355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.776355][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.776355][ T10] netlink_unicast+0x449/0x710 [ 2947.776355][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.776355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.776355][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.776355][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.776355][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.776355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.776355][ T10] [ 2947.778108][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2947.778372][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2947.778372][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.778372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.778372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.778372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.778372][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.778372][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.778372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.778372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.778372][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.778372][ T10] netlink_unicast+0x449/0x710 [ 2947.778372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.778372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.778372][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.778372][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.778372][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.778372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.778372][ T10] [ 2947.780416][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2947.780416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.780416][ T10] ipv6_find_idev+0x102/0x170 [ 2947.780416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.780416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.780416][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.780416][ T10] netlink_unicast+0x449/0x710 [ 2947.780416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.780416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.780416][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.780416][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.780416][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.780416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.780416][ T10] [ 2947.782253][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2947.782253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.782253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.782253][ T10] ipv6_find_idev+0x102/0x170 [ 2947.782253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.782253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.782253][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.782253][ T10] netlink_unicast+0x449/0x710 [ 2947.782253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.782253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.782253][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.782253][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.782253][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.782253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.782253][ T10] [ 2947.784112][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2947.784391][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2947.784391][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.784391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.784391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.784391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.784391][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.784391][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.784391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.784391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.784391][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.784391][ T10] netlink_unicast+0x449/0x710 [ 2947.784391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.784391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.784391][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.784391][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.784391][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.784391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.784391][ T10] [ 2947.786582][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2947.786582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.786582][ T10] ipv6_find_idev+0x102/0x170 [ 2947.786582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.786582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.786582][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.786582][ T10] netlink_unicast+0x449/0x710 [ 2947.786582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.786582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.786582][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.786582][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.786582][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.786582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.786582][ T10] [ 2947.788320][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2947.788320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.788320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.788320][ T10] ipv6_find_idev+0x102/0x170 [ 2947.788320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.788320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.788320][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.788320][ T10] netlink_unicast+0x449/0x710 [ 2947.788320][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.788320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.788320][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.788320][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.788320][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.788320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.788320][ T10] [ 2947.790306][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2947.790618][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2947.790618][ T10] netdev_get_by_index+0x5e/0x80 [ 2947.790618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2947.790618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2947.790618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2947.790618][ T10] ipv6_add_addr+0x411/0x2000 [ 2947.790618][ T10] inet6_addr_add+0x30e/0xa40 [ 2947.790618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2947.790618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.790618][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.790618][ T10] netlink_unicast+0x449/0x710 [ 2947.790618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.790618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.790618][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.790618][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.790618][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.790618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.790618][ T10] [ 2947.792880][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2947.792880][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2947.792880][ T10] ipv6_find_idev+0x102/0x170 [ 2947.792880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.792880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.792880][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.792880][ T10] netlink_unicast+0x449/0x710 [ 2947.792880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.792880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.792880][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.792880][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.792880][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.792880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.792880][ T10] [ 2947.794608][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2947.794608][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2947.794608][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2947.794608][ T10] ipv6_find_idev+0x102/0x170 [ 2947.794608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2947.794608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2947.794608][ T10] netlink_rcv_skb+0x130/0x360 [ 2947.794608][ T10] netlink_unicast+0x449/0x710 [ 2947.794608][ T10] netlink_sendmsg+0x723/0xbe0 [ 2947.794608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2947.794608][ T10] ___sys_sendmsg+0xee/0x170 [ 2947.794608][ T10] __sys_sendmsg+0xcd/0x170 [ 2947.794608][ T10] do_syscall_64+0xc6/0x1e0 [ 2947.794608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2947.794608][ T10] [ 2957.893945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2957.894537][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2957.894537][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.894537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.894537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.894537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.894537][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.894537][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.894537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.894537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.894537][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.894537][ T10] netlink_unicast+0x449/0x710 [ 2957.894537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.894537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.894537][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.894537][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.894537][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.894537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.894537][ T10] [ 2957.896534][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2957.896534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.896534][ T10] ipv6_find_idev+0x102/0x170 [ 2957.896534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.896534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.896534][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.896534][ T10] netlink_unicast+0x449/0x710 [ 2957.896534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.896534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.896534][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.896534][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.896534][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.896534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.896534][ T10] [ 2957.897995][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2957.897995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.897995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.897995][ T10] ipv6_find_idev+0x102/0x170 [ 2957.897995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.897995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.897995][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.897995][ T10] netlink_unicast+0x449/0x710 [ 2957.897995][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.897995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.897995][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.897995][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.897995][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.897995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.897995][ T10] [ 2957.899708][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2957.899997][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2957.899997][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.899997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.899997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.899997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.899997][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.899997][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.899997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.899997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.899997][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.899997][ T10] netlink_unicast+0x449/0x710 [ 2957.899997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.899997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.899997][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.899997][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.899997][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.899997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.899997][ T10] [ 2957.901970][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2957.901970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.901970][ T10] ipv6_find_idev+0x102/0x170 [ 2957.901970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.901970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.901970][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.901970][ T10] netlink_unicast+0x449/0x710 [ 2957.901970][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.901970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.901970][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.901970][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.901970][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.901970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.901970][ T10] [ 2957.903493][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2957.903493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.903493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.903493][ T10] ipv6_find_idev+0x102/0x170 [ 2957.903493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.903493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.903493][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.903493][ T10] netlink_unicast+0x449/0x710 [ 2957.903493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.903493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.903493][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.903493][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.903493][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.903493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.903493][ T10] [ 2957.905197][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2957.905464][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2957.905464][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.905464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.905464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.905464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.905464][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.905464][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.905464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.905464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.905464][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.905464][ T10] netlink_unicast+0x449/0x710 [ 2957.905464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.905464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.905464][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.905464][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.905464][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.905464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.905464][ T10] [ 2957.907316][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2957.907316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.907316][ T10] ipv6_find_idev+0x102/0x170 [ 2957.907316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.907316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.907316][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.907316][ T10] netlink_unicast+0x449/0x710 [ 2957.907316][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.907316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.907316][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.907316][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.907316][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.907316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.907316][ T10] [ 2957.908758][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2957.908758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.908758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.908758][ T10] ipv6_find_idev+0x102/0x170 [ 2957.908758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.908758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.908758][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.908758][ T10] netlink_unicast+0x449/0x710 [ 2957.908758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.908758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.908758][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.908758][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.908758][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.908758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.908758][ T10] [ 2957.910693][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2957.911282][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2957.911282][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.911282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.911282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.911282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.911282][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.911282][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.911282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.911282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.911282][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.911282][ T10] netlink_unicast+0x449/0x710 [ 2957.911282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.911282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.911282][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.911282][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.911282][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.911282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.911282][ T10] [ 2957.913191][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2957.913191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.913191][ T10] ipv6_find_idev+0x102/0x170 [ 2957.913191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.913191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.913191][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.913191][ T10] netlink_unicast+0x449/0x710 [ 2957.913191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.913191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.913191][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.913191][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.913191][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.913191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.913191][ T10] [ 2957.914738][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2957.914738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.914738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.914738][ T10] ipv6_find_idev+0x102/0x170 [ 2957.914738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.914738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.914738][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.914738][ T10] netlink_unicast+0x449/0x710 [ 2957.914738][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.914738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.914738][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.914738][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.914738][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.914738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.914738][ T10] [ 2957.916326][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2957.916599][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2957.916599][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.916599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.916599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.916599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.916599][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.916599][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.916599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.916599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.916599][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.916599][ T10] netlink_unicast+0x449/0x710 [ 2957.916599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.916599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.916599][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.916599][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.916599][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.916599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.916599][ T10] [ 2957.918556][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2957.918556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.918556][ T10] ipv6_find_idev+0x102/0x170 [ 2957.918556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.918556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.918556][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.918556][ T10] netlink_unicast+0x449/0x710 [ 2957.918556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.918556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.918556][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.918556][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.918556][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.918556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.918556][ T10] [ 2957.920092][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2957.920092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.920092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.920092][ T10] ipv6_find_idev+0x102/0x170 [ 2957.920092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.920092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.920092][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.920092][ T10] netlink_unicast+0x449/0x710 [ 2957.920092][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.920092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.920092][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.920092][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.920092][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.920092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.920092][ T10] [ 2957.921778][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2957.922098][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2957.922098][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.922098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.922098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.922098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.922098][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.922098][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.922098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.922098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.922098][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.922098][ T10] netlink_unicast+0x449/0x710 [ 2957.922098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.922098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.922098][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.922098][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.922098][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.922098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.922098][ T10] [ 2957.924140][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2957.924140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.924140][ T10] ipv6_find_idev+0x102/0x170 [ 2957.924140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.924140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.924140][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.924140][ T10] netlink_unicast+0x449/0x710 [ 2957.924140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.924140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.924140][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.924140][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.924140][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.924140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.924140][ T10] [ 2957.925668][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2957.925668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.925668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.925668][ T10] ipv6_find_idev+0x102/0x170 [ 2957.925668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.925668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.925668][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.925668][ T10] netlink_unicast+0x449/0x710 [ 2957.925668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.925668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.925668][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.925668][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.925668][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.925668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.925668][ T10] [ 2957.927573][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2957.927890][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2957.927890][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.927890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.927890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.927890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.927890][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.927890][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.927890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.927890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.927890][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.927890][ T10] netlink_unicast+0x449/0x710 [ 2957.927890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.927890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.927890][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.927890][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.927890][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.927890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.927890][ T10] [ 2957.930104][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2957.930104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.930104][ T10] ipv6_find_idev+0x102/0x170 [ 2957.930104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.930104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.930104][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.930104][ T10] netlink_unicast+0x449/0x710 [ 2957.930104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.930104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.930104][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.930104][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.930104][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.930104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.930104][ T10] [ 2957.931784][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2957.931784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.931784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.931784][ T10] ipv6_find_idev+0x102/0x170 [ 2957.931784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.931784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.931784][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.931784][ T10] netlink_unicast+0x449/0x710 [ 2957.931784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.931784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.931784][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.931784][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.931784][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.931784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.931784][ T10] [ 2957.933657][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2957.933973][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2957.933973][ T10] netdev_get_by_index+0x5e/0x80 [ 2957.933973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2957.933973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2957.933973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2957.933973][ T10] ipv6_add_addr+0x411/0x2000 [ 2957.933973][ T10] inet6_addr_add+0x30e/0xa40 [ 2957.933973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2957.933973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.933973][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.933973][ T10] netlink_unicast+0x449/0x710 [ 2957.933973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.933973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.933973][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.933973][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.933973][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.933973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.933973][ T10] [ 2957.936148][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2957.936148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2957.936148][ T10] ipv6_find_idev+0x102/0x170 [ 2957.936148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.936148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.936148][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.936148][ T10] netlink_unicast+0x449/0x710 [ 2957.936148][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.936148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.936148][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.936148][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.936148][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.936148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.936148][ T10] [ 2957.937795][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2957.937795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2957.937795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2957.937795][ T10] ipv6_find_idev+0x102/0x170 [ 2957.937795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2957.937795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2957.937795][ T10] netlink_rcv_skb+0x130/0x360 [ 2957.937795][ T10] netlink_unicast+0x449/0x710 [ 2957.937795][ T10] netlink_sendmsg+0x723/0xbe0 [ 2957.937795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2957.937795][ T10] ___sys_sendmsg+0xee/0x170 [ 2957.937795][ T10] __sys_sendmsg+0xcd/0x170 [ 2957.937795][ T10] do_syscall_64+0xc6/0x1e0 [ 2957.937795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2957.937795][ T10] [ 2968.181967][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2968.182512][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2968.182512][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.182512][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.182512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.182512][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.182512][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.182512][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.182512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.182512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.182512][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.182512][ T10] netlink_unicast+0x449/0x710 [ 2968.182512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.182512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.182512][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.182512][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.182512][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.182512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.182512][ T10] [ 2968.184412][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2968.184412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.184412][ T10] ipv6_find_idev+0x102/0x170 [ 2968.184412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.184412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.184412][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.184412][ T10] netlink_unicast+0x449/0x710 [ 2968.184412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.184412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.184412][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.184412][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.184412][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.184412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.184412][ T10] [ 2968.185861][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2968.185861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.185861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.185861][ T10] ipv6_find_idev+0x102/0x170 [ 2968.185861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.185861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.185861][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.185861][ T10] netlink_unicast+0x449/0x710 [ 2968.185861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.185861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.185861][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.185861][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.185861][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.185861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.185861][ T10] [ 2968.187582][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2968.187872][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2968.187872][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.187872][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.187872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.187872][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.187872][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.187872][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.187872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.187872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.187872][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.187872][ T10] netlink_unicast+0x449/0x710 [ 2968.187872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.187872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.187872][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.187872][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.187872][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.187872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.187872][ T10] [ 2968.189855][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2968.189855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.189855][ T10] ipv6_find_idev+0x102/0x170 [ 2968.189855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.189855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.189855][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.189855][ T10] netlink_unicast+0x449/0x710 [ 2968.189855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.189855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.189855][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.189855][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.189855][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.189855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.189855][ T10] [ 2968.191366][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2968.191366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.191366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.191366][ T10] ipv6_find_idev+0x102/0x170 [ 2968.191366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.191366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.191366][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.191366][ T10] netlink_unicast+0x449/0x710 [ 2968.191366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.191366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.191366][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.191366][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.191366][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.191366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.191366][ T10] [ 2968.193021][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2968.193281][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2968.193281][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.193281][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.193281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.193281][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.193281][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.193281][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.193281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.193281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.193281][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.193281][ T10] netlink_unicast+0x449/0x710 [ 2968.193281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.193281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.193281][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.193281][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.193281][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.193281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.193281][ T10] [ 2968.195247][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2968.195247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.195247][ T10] ipv6_find_idev+0x102/0x170 [ 2968.195247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.195247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.195247][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.195247][ T10] netlink_unicast+0x449/0x710 [ 2968.195247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.195247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.195247][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.195247][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.195247][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.195247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.195247][ T10] [ 2968.196813][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2968.196813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.196813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.196813][ T10] ipv6_find_idev+0x102/0x170 [ 2968.196813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.196813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.196813][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.196813][ T10] netlink_unicast+0x449/0x710 [ 2968.196813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.196813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.196813][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.196813][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.196813][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.196813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.196813][ T10] [ 2968.198939][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2968.199203][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2968.199203][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.199203][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.199203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.199203][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.199203][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.199203][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.199203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.199203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.199203][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.199203][ T10] netlink_unicast+0x449/0x710 [ 2968.199203][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.199203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.199203][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.199203][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.199203][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.199203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.199203][ T10] [ 2968.201156][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2968.201156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.201156][ T10] ipv6_find_idev+0x102/0x170 [ 2968.201156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.201156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.201156][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.201156][ T10] netlink_unicast+0x449/0x710 [ 2968.201156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.201156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.201156][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.201156][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.201156][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.201156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.201156][ T10] [ 2968.202717][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2968.202717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.202717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.202717][ T10] ipv6_find_idev+0x102/0x170 [ 2968.202717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.202717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.202717][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.202717][ T10] netlink_unicast+0x449/0x710 [ 2968.202717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.202717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.202717][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.202717][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.202717][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.202717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.202717][ T10] [ 2968.204419][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2968.204701][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2968.204701][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.204701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.204701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.204701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.204701][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.204701][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.204701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.204701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.204701][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.204701][ T10] netlink_unicast+0x449/0x710 [ 2968.204701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.204701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.204701][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.204701][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.204701][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.204701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.204701][ T10] [ 2968.206682][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2968.206682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.206682][ T10] ipv6_find_idev+0x102/0x170 [ 2968.206682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.206682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.206682][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.206682][ T10] netlink_unicast+0x449/0x710 [ 2968.206682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.206682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.206682][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.206682][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.206682][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.206682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.206682][ T10] [ 2968.208233][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2968.208233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.208233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.208233][ T10] ipv6_find_idev+0x102/0x170 [ 2968.208233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.208233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.208233][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.208233][ T10] netlink_unicast+0x449/0x710 [ 2968.208233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.208233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.208233][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.208233][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.208233][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.208233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.208233][ T10] [ 2968.209954][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2968.210217][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2968.210217][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.210217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.210217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.210217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.210217][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.210217][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.210217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.210217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.210217][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.210217][ T10] netlink_unicast+0x449/0x710 [ 2968.210217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.210217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.210217][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.210217][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.210217][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.210217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.210217][ T10] [ 2968.212991][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2968.212991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.212991][ T10] ipv6_find_idev+0x102/0x170 [ 2968.212991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.212991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.212991][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.212991][ T10] netlink_unicast+0x449/0x710 [ 2968.212991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.212991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.212991][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.212991][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.212991][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.212991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.212991][ T10] [ 2968.214772][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2968.214772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.214772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.214772][ T10] ipv6_find_idev+0x102/0x170 [ 2968.214772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.214772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.214772][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.214772][ T10] netlink_unicast+0x449/0x710 [ 2968.214772][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.214772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.214772][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.214772][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.214772][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.214772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.214772][ T10] [ 2968.216672][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2968.216992][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2968.216992][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.216992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.216992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.216992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.216992][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.216992][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.216992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.216992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.216992][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.216992][ T10] netlink_unicast+0x449/0x710 [ 2968.216992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.216992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.216992][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.216992][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.216992][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.216992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.216992][ T10] [ 2968.219177][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2968.219177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.219177][ T10] ipv6_find_idev+0x102/0x170 [ 2968.219177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.219177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.219177][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.219177][ T10] netlink_unicast+0x449/0x710 [ 2968.219177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.219177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.219177][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.219177][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.219177][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.219177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.219177][ T10] [ 2968.220900][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2968.220900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.220900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.220900][ T10] ipv6_find_idev+0x102/0x170 [ 2968.220900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.220900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.220900][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.220900][ T10] netlink_unicast+0x449/0x710 [ 2968.220900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.220900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.220900][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.220900][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.220900][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.220900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.220900][ T10] [ 2968.222845][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2968.223155][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2968.223155][ T10] netdev_get_by_index+0x5e/0x80 [ 2968.223155][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2968.223155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2968.223155][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2968.223155][ T10] ipv6_add_addr+0x411/0x2000 [ 2968.223155][ T10] inet6_addr_add+0x30e/0xa40 [ 2968.223155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2968.223155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.223155][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.223155][ T10] netlink_unicast+0x449/0x710 [ 2968.223155][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.223155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.223155][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.223155][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.223155][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.223155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.223155][ T10] [ 2968.225767][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2968.225767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2968.225767][ T10] ipv6_find_idev+0x102/0x170 [ 2968.225767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.225767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.225767][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.225767][ T10] netlink_unicast+0x449/0x710 [ 2968.225767][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.225767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.225767][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.225767][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.225767][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.225767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.225767][ T10] [ 2968.227443][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2968.227443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2968.227443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2968.227443][ T10] ipv6_find_idev+0x102/0x170 [ 2968.227443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2968.227443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2968.227443][ T10] netlink_rcv_skb+0x130/0x360 [ 2968.227443][ T10] netlink_unicast+0x449/0x710 [ 2968.227443][ T10] netlink_sendmsg+0x723/0xbe0 [ 2968.227443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2968.227443][ T10] ___sys_sendmsg+0xee/0x170 [ 2968.227443][ T10] __sys_sendmsg+0xcd/0x170 [ 2968.227443][ T10] do_syscall_64+0xc6/0x1e0 [ 2968.227443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2968.227443][ T10] [ 2978.469889][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2978.470370][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2978.470370][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.470370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.470370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.470370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.470370][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.470370][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.470370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.470370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.470370][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.470370][ T10] netlink_unicast+0x449/0x710 [ 2978.470370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.470370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.470370][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.470370][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.470370][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.470370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.470370][ T10] [ 2978.472412][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2978.472412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.472412][ T10] ipv6_find_idev+0x102/0x170 [ 2978.472412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.472412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.472412][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.472412][ T10] netlink_unicast+0x449/0x710 [ 2978.472412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.472412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.472412][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.472412][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.472412][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.472412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.472412][ T10] [ 2978.474070][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2978.474070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.474070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.474070][ T10] ipv6_find_idev+0x102/0x170 [ 2978.474070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.474070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.474070][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.474070][ T10] netlink_unicast+0x449/0x710 [ 2978.474070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.474070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.474070][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.474070][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.474070][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.474070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.474070][ T10] [ 2978.475786][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2978.476062][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2978.476062][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.476062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.476062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.476062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.476062][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.476062][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.476062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.476062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.476062][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.476062][ T10] netlink_unicast+0x449/0x710 [ 2978.476062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.476062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.476062][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.476062][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.476062][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.476062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.476062][ T10] [ 2978.478148][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2978.478148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.478148][ T10] ipv6_find_idev+0x102/0x170 [ 2978.478148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.478148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.478148][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.478148][ T10] netlink_unicast+0x449/0x710 [ 2978.478148][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.478148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.478148][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.478148][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.478148][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.478148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.478148][ T10] [ 2978.479699][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2978.479699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.479699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.479699][ T10] ipv6_find_idev+0x102/0x170 [ 2978.479699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.479699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.479699][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.479699][ T10] netlink_unicast+0x449/0x710 [ 2978.479699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.479699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.479699][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.479699][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.479699][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.479699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.479699][ T10] [ 2978.481400][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2978.481664][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2978.481664][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.481664][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.481664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.481664][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.481664][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.481664][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.481664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.481664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.481664][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.481664][ T10] netlink_unicast+0x449/0x710 [ 2978.481664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.481664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.481664][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.481664][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.481664][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.481664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.481664][ T10] [ 2978.483669][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2978.483669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.483669][ T10] ipv6_find_idev+0x102/0x170 [ 2978.483669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.483669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.483669][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.483669][ T10] netlink_unicast+0x449/0x710 [ 2978.483669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.483669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.483669][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.483669][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.483669][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.483669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.483669][ T10] [ 2978.485210][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2978.485210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.485210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.485210][ T10] ipv6_find_idev+0x102/0x170 [ 2978.485210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.485210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.485210][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.485210][ T10] netlink_unicast+0x449/0x710 [ 2978.485210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.485210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.485210][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.485210][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.485210][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.485210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.485210][ T10] [ 2978.486890][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2978.487154][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2978.487154][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.487154][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.487154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.487154][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.487154][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.487154][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.487154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.487154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.487154][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.487154][ T10] netlink_unicast+0x449/0x710 [ 2978.487154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.487154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.487154][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.487154][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.487154][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.487154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.487154][ T10] [ 2978.489165][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2978.489165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.489165][ T10] ipv6_find_idev+0x102/0x170 [ 2978.489165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.489165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.489165][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.489165][ T10] netlink_unicast+0x449/0x710 [ 2978.489165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.489165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.489165][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.489165][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.489165][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.489165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.489165][ T10] [ 2978.490729][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2978.490729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.490729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.490729][ T10] ipv6_find_idev+0x102/0x170 [ 2978.490729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.490729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.490729][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.490729][ T10] netlink_unicast+0x449/0x710 [ 2978.490729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.490729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.490729][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.490729][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.490729][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.490729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.490729][ T10] [ 2978.492814][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2978.493080][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2978.493080][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.493080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.493080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.493080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.493080][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.493080][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.493080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.493080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.493080][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.493080][ T10] netlink_unicast+0x449/0x710 [ 2978.493080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.493080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.493080][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.493080][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.493080][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.493080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.493080][ T10] [ 2978.495076][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2978.495076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.495076][ T10] ipv6_find_idev+0x102/0x170 [ 2978.495076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.495076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.495076][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.495076][ T10] netlink_unicast+0x449/0x710 [ 2978.495076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.495076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.495076][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.495076][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.495076][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.495076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.495076][ T10] [ 2978.496616][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2978.496616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.496616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.496616][ T10] ipv6_find_idev+0x102/0x170 [ 2978.496616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.496616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.496616][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.496616][ T10] netlink_unicast+0x449/0x710 [ 2978.496616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.496616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.496616][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.496616][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.496616][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.496616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.496616][ T10] [ 2978.498339][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2978.498605][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2978.498605][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.498605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.498605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.498605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.498605][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.498605][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.498605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.498605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.498605][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.498605][ T10] netlink_unicast+0x449/0x710 [ 2978.498605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.498605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.498605][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.498605][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.498605][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.498605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.498605][ T10] [ 2978.500785][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2978.500785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.500785][ T10] ipv6_find_idev+0x102/0x170 [ 2978.500785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.500785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.500785][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.500785][ T10] netlink_unicast+0x449/0x710 [ 2978.500785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.500785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.500785][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.500785][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.500785][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.500785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.500785][ T10] [ 2978.502564][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2978.502564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.502564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.502564][ T10] ipv6_find_idev+0x102/0x170 [ 2978.502564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.502564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.502564][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.502564][ T10] netlink_unicast+0x449/0x710 [ 2978.502564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.502564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.502564][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.502564][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.502564][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.502564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.502564][ T10] [ 2978.504470][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2978.504741][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2978.504741][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.504741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.504741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.504741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.504741][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.504741][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.504741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.504741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.504741][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.504741][ T10] netlink_unicast+0x449/0x710 [ 2978.504741][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.504741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.504741][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.504741][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.504741][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.504741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.504741][ T10] [ 2978.506884][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2978.506884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.506884][ T10] ipv6_find_idev+0x102/0x170 [ 2978.506884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.506884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.506884][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.506884][ T10] netlink_unicast+0x449/0x710 [ 2978.506884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.506884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.506884][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.506884][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.506884][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.506884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.506884][ T10] [ 2978.508625][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2978.508625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.508625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.508625][ T10] ipv6_find_idev+0x102/0x170 [ 2978.508625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.508625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.508625][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.508625][ T10] netlink_unicast+0x449/0x710 [ 2978.508625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.508625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.508625][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.508625][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.508625][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.508625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.508625][ T10] [ 2978.510583][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2978.510899][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2978.510899][ T10] netdev_get_by_index+0x5e/0x80 [ 2978.510899][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2978.510899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2978.510899][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2978.510899][ T10] ipv6_add_addr+0x411/0x2000 [ 2978.510899][ T10] inet6_addr_add+0x30e/0xa40 [ 2978.510899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2978.510899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.510899][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.510899][ T10] netlink_unicast+0x449/0x710 [ 2978.510899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.510899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.510899][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.510899][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.510899][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.510899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.510899][ T10] [ 2978.513135][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2978.513135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2978.513135][ T10] ipv6_find_idev+0x102/0x170 [ 2978.513135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.513135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.513135][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.513135][ T10] netlink_unicast+0x449/0x710 [ 2978.513135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.513135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.513135][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.513135][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.513135][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.513135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.513135][ T10] [ 2978.514853][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2978.514853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2978.514853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2978.514853][ T10] ipv6_find_idev+0x102/0x170 [ 2978.514853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2978.514853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2978.514853][ T10] netlink_rcv_skb+0x130/0x360 [ 2978.514853][ T10] netlink_unicast+0x449/0x710 [ 2978.514853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2978.514853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2978.514853][ T10] ___sys_sendmsg+0xee/0x170 [ 2978.514853][ T10] __sys_sendmsg+0xcd/0x170 [ 2978.514853][ T10] do_syscall_64+0xc6/0x1e0 [ 2978.514853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2978.514853][ T10] [ 2988.757963][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2988.758497][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2988.758497][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.758497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.758497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.758497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.758497][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.758497][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.758497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.758497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.758497][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.758497][ T10] netlink_unicast+0x449/0x710 [ 2988.758497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.758497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.758497][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.758497][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.758497][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.758497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.758497][ T10] [ 2988.760474][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2988.760474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.760474][ T10] ipv6_find_idev+0x102/0x170 [ 2988.760474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.760474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.760474][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.760474][ T10] netlink_unicast+0x449/0x710 [ 2988.760474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.760474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.760474][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.760474][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.760474][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.760474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.760474][ T10] [ 2988.761967][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2988.761967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.761967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.761967][ T10] ipv6_find_idev+0x102/0x170 [ 2988.761967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.761967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.761967][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.761967][ T10] netlink_unicast+0x449/0x710 [ 2988.761967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.761967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.761967][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.761967][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.761967][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.761967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.761967][ T10] [ 2988.763545][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2988.763843][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2988.763843][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.763843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.763843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.763843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.763843][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.763843][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.763843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.763843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.763843][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.763843][ T10] netlink_unicast+0x449/0x710 [ 2988.763843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.763843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.763843][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.763843][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.763843][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.763843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.763843][ T10] [ 2988.765834][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2988.765834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.765834][ T10] ipv6_find_idev+0x102/0x170 [ 2988.765834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.765834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.765834][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.765834][ T10] netlink_unicast+0x449/0x710 [ 2988.765834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.765834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.765834][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.765834][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.765834][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.765834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.765834][ T10] [ 2988.767272][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2988.767272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.767272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.767272][ T10] ipv6_find_idev+0x102/0x170 [ 2988.767272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.767272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.767272][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.767272][ T10] netlink_unicast+0x449/0x710 [ 2988.767272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.767272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.767272][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.767272][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.767272][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.767272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.767272][ T10] [ 2988.768913][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2988.769171][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2988.769171][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.769171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.769171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.769171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.769171][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.769171][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.769171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.769171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.769171][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.769171][ T10] netlink_unicast+0x449/0x710 [ 2988.769171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.769171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.769171][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.769171][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.769171][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.769171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.769171][ T10] [ 2988.771161][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2988.771161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.771161][ T10] ipv6_find_idev+0x102/0x170 [ 2988.771161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.771161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.771161][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.771161][ T10] netlink_unicast+0x449/0x710 [ 2988.771161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.771161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.771161][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.771161][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.771161][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.771161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.771161][ T10] [ 2988.772699][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2988.772699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.772699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.772699][ T10] ipv6_find_idev+0x102/0x170 [ 2988.772699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.772699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.772699][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.772699][ T10] netlink_unicast+0x449/0x710 [ 2988.772699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.772699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.772699][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.772699][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.772699][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.772699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.772699][ T10] [ 2988.774720][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2988.775340][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2988.775340][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.775340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.775340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.775340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.775340][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.775340][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.775340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.775340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.775340][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.775340][ T10] netlink_unicast+0x449/0x710 [ 2988.775340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.775340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.775340][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.775340][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.775340][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.775340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.775340][ T10] [ 2988.777353][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2988.777353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.777353][ T10] ipv6_find_idev+0x102/0x170 [ 2988.777353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.777353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.777353][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.777353][ T10] netlink_unicast+0x449/0x710 [ 2988.777353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.777353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.777353][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.777353][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.777353][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.777353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.777353][ T10] [ 2988.778857][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2988.778857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.778857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.778857][ T10] ipv6_find_idev+0x102/0x170 [ 2988.778857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.778857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.778857][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.778857][ T10] netlink_unicast+0x449/0x710 [ 2988.778857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.778857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.778857][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.778857][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.778857][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.778857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.778857][ T10] [ 2988.780444][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2988.780717][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2988.780717][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.780717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.780717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.780717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.780717][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.780717][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.780717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.780717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.780717][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.780717][ T10] netlink_unicast+0x449/0x710 [ 2988.780717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.780717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.780717][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.780717][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.780717][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.780717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.780717][ T10] [ 2988.782666][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2988.782666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.782666][ T10] ipv6_find_idev+0x102/0x170 [ 2988.782666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.782666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.782666][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.782666][ T10] netlink_unicast+0x449/0x710 [ 2988.782666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.782666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.782666][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.782666][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.782666][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.782666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.782666][ T10] [ 2988.784150][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2988.784150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.784150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.784150][ T10] ipv6_find_idev+0x102/0x170 [ 2988.784150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.784150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.784150][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.784150][ T10] netlink_unicast+0x449/0x710 [ 2988.784150][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.784150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.784150][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.784150][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.784150][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.784150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.784150][ T10] [ 2988.785826][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2988.786102][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2988.786102][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.786102][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.786102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.786102][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.786102][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.786102][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.786102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.786102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.786102][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.786102][ T10] netlink_unicast+0x449/0x710 [ 2988.786102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.786102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.786102][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.786102][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.786102][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.786102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.786102][ T10] [ 2988.788133][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2988.788133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.788133][ T10] ipv6_find_idev+0x102/0x170 [ 2988.788133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.788133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.788133][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.788133][ T10] netlink_unicast+0x449/0x710 [ 2988.788133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.788133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.788133][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.788133][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.788133][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.788133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.788133][ T10] [ 2988.789695][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2988.789695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.789695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.789695][ T10] ipv6_find_idev+0x102/0x170 [ 2988.789695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.789695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.789695][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.789695][ T10] netlink_unicast+0x449/0x710 [ 2988.789695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.789695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.789695][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.789695][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.789695][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.789695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.789695][ T10] [ 2988.791694][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2988.792018][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2988.792018][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.792018][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.792018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.792018][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.792018][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.792018][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.792018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.792018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.792018][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.792018][ T10] netlink_unicast+0x449/0x710 [ 2988.792018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.792018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.792018][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.792018][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.792018][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.792018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.792018][ T10] [ 2988.794157][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2988.794157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.794157][ T10] ipv6_find_idev+0x102/0x170 [ 2988.794157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.794157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.794157][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.794157][ T10] netlink_unicast+0x449/0x710 [ 2988.794157][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.794157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.794157][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.794157][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.794157][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.794157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.794157][ T10] [ 2988.795834][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2988.795834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.795834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.795834][ T10] ipv6_find_idev+0x102/0x170 [ 2988.795834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.795834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.795834][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.795834][ T10] netlink_unicast+0x449/0x710 [ 2988.795834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.795834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.795834][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.795834][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.795834][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.795834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.795834][ T10] [ 2988.797738][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2988.798048][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2988.798048][ T10] netdev_get_by_index+0x5e/0x80 [ 2988.798048][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2988.798048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2988.798048][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2988.798048][ T10] ipv6_add_addr+0x411/0x2000 [ 2988.798048][ T10] inet6_addr_add+0x30e/0xa40 [ 2988.798048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2988.798048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.798048][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.798048][ T10] netlink_unicast+0x449/0x710 [ 2988.798048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.798048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.798048][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.798048][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.798048][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.798048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.798048][ T10] [ 2988.800169][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2988.800169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2988.800169][ T10] ipv6_find_idev+0x102/0x170 [ 2988.800169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.800169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.800169][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.800169][ T10] netlink_unicast+0x449/0x710 [ 2988.800169][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.800169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.800169][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.800169][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.800169][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.800169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.800169][ T10] [ 2988.801946][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2988.801946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2988.801946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2988.801946][ T10] ipv6_find_idev+0x102/0x170 [ 2988.801946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2988.801946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2988.801946][ T10] netlink_rcv_skb+0x130/0x360 [ 2988.801946][ T10] netlink_unicast+0x449/0x710 [ 2988.801946][ T10] netlink_sendmsg+0x723/0xbe0 [ 2988.801946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2988.801946][ T10] ___sys_sendmsg+0xee/0x170 [ 2988.801946][ T10] __sys_sendmsg+0xcd/0x170 [ 2988.801946][ T10] do_syscall_64+0xc6/0x1e0 [ 2988.801946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2988.801946][ T10] [ 2999.045964][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2999.046468][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2999.046468][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.046468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.046468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.046468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.046468][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.046468][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.046468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.046468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.046468][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.046468][ T10] netlink_unicast+0x449/0x710 [ 2999.046468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.046468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.046468][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.046468][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.046468][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.046468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.046468][ T10] [ 2999.048500][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2999.048500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.048500][ T10] ipv6_find_idev+0x102/0x170 [ 2999.048500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.048500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.048500][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.048500][ T10] netlink_unicast+0x449/0x710 [ 2999.048500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.048500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.048500][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.048500][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.048500][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.048500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.048500][ T10] [ 2999.050036][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 2999.050036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.050036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.050036][ T10] ipv6_find_idev+0x102/0x170 [ 2999.050036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.050036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.050036][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.050036][ T10] netlink_unicast+0x449/0x710 [ 2999.050036][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.050036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.050036][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.050036][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.050036][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.050036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.050036][ T10] [ 2999.051614][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2999.051901][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2999.051901][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.051901][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.051901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.051901][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.051901][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.051901][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.051901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.051901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.051901][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.051901][ T10] netlink_unicast+0x449/0x710 [ 2999.051901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.051901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.051901][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.051901][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.051901][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.051901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.051901][ T10] [ 2999.053878][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2999.053878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.053878][ T10] ipv6_find_idev+0x102/0x170 [ 2999.053878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.053878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.053878][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.053878][ T10] netlink_unicast+0x449/0x710 [ 2999.053878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.053878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.053878][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.053878][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.053878][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.053878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.053878][ T10] [ 2999.055425][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 2999.055425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.055425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.055425][ T10] ipv6_find_idev+0x102/0x170 [ 2999.055425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.055425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.055425][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.055425][ T10] netlink_unicast+0x449/0x710 [ 2999.055425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.055425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.055425][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.055425][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.055425][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.055425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.055425][ T10] [ 2999.057046][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2999.057303][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2999.057303][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.057303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.057303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.057303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.057303][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.057303][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.057303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.057303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.057303][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.057303][ T10] netlink_unicast+0x449/0x710 [ 2999.057303][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.057303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.057303][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.057303][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.057303][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.057303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.057303][ T10] [ 2999.059332][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2999.059332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.059332][ T10] ipv6_find_idev+0x102/0x170 [ 2999.059332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.059332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.059332][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.059332][ T10] netlink_unicast+0x449/0x710 [ 2999.059332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.059332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.059332][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.059332][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.059332][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.059332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.059332][ T10] [ 2999.060861][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 2999.060861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.060861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.060861][ T10] ipv6_find_idev+0x102/0x170 [ 2999.060861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.060861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.060861][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.060861][ T10] netlink_unicast+0x449/0x710 [ 2999.060861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.060861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.060861][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.060861][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.060861][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.060861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.060861][ T10] [ 2999.062913][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2999.063178][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2999.063178][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.063178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.063178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.063178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.063178][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.063178][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.063178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.063178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.063178][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.063178][ T10] netlink_unicast+0x449/0x710 [ 2999.063178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.063178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.063178][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.063178][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.063178][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.063178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.063178][ T10] [ 2999.065145][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2999.065145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.065145][ T10] ipv6_find_idev+0x102/0x170 [ 2999.065145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.065145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.065145][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.065145][ T10] netlink_unicast+0x449/0x710 [ 2999.065145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.065145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.065145][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.065145][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.065145][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.065145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.065145][ T10] [ 2999.066641][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 2999.066641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.066641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.066641][ T10] ipv6_find_idev+0x102/0x170 [ 2999.066641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.066641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.066641][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.066641][ T10] netlink_unicast+0x449/0x710 [ 2999.066641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.066641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.066641][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.066641][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.066641][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.066641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.066641][ T10] [ 2999.068361][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2999.068625][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2999.068625][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.068625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.068625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.068625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.068625][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.068625][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.068625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.068625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.068625][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.068625][ T10] netlink_unicast+0x449/0x710 [ 2999.068625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.068625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.068625][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.068625][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.068625][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.068625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.068625][ T10] [ 2999.070662][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2999.070662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.070662][ T10] ipv6_find_idev+0x102/0x170 [ 2999.070662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.070662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.070662][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.070662][ T10] netlink_unicast+0x449/0x710 [ 2999.070662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.070662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.070662][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.070662][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.070662][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.070662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.070662][ T10] [ 2999.072191][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 2999.072191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.072191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.072191][ T10] ipv6_find_idev+0x102/0x170 [ 2999.072191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.072191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.072191][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.072191][ T10] netlink_unicast+0x449/0x710 [ 2999.072191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.072191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.072191][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.072191][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.072191][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.072191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.072191][ T10] [ 2999.073936][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2999.074193][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2999.074193][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.074193][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.074193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.074193][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.074193][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.074193][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.074193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.074193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.074193][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.074193][ T10] netlink_unicast+0x449/0x710 [ 2999.074193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.074193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.074193][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.074193][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.074193][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.074193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.074193][ T10] [ 2999.076304][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2999.076304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.076304][ T10] ipv6_find_idev+0x102/0x170 [ 2999.076304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.076304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.076304][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.076304][ T10] netlink_unicast+0x449/0x710 [ 2999.076304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.076304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.076304][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.076304][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.076304][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.076304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.076304][ T10] [ 2999.078062][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 2999.078062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.078062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.078062][ T10] ipv6_find_idev+0x102/0x170 [ 2999.078062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.078062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.078062][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.078062][ T10] netlink_unicast+0x449/0x710 [ 2999.078062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.078062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.078062][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.078062][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.078062][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.078062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.078062][ T10] [ 2999.080047][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2999.080322][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2999.080322][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.080322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.080322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.080322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.080322][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.080322][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.080322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.080322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.080322][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.080322][ T10] netlink_unicast+0x449/0x710 [ 2999.080322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.080322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.080322][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.080322][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.080322][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.080322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.080322][ T10] [ 2999.082540][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2999.082540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.082540][ T10] ipv6_find_idev+0x102/0x170 [ 2999.082540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.082540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.082540][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.082540][ T10] netlink_unicast+0x449/0x710 [ 2999.082540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.082540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.082540][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.082540][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.082540][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.082540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.082540][ T10] [ 2999.084262][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 2999.084262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.084262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.084262][ T10] ipv6_find_idev+0x102/0x170 [ 2999.084262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.084262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.084262][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.084262][ T10] netlink_unicast+0x449/0x710 [ 2999.084262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.084262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.084262][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.084262][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.084262][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.084262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.084262][ T10] [ 2999.086140][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2999.086444][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2999.086444][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.086444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.086444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.086444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.086444][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.086444][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.086444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.086444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.086444][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.086444][ T10] netlink_unicast+0x449/0x710 [ 2999.086444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.086444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.086444][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.086444][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.086444][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.086444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.086444][ T10] [ 2999.089135][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2999.089135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.089135][ T10] ipv6_find_idev+0x102/0x170 [ 2999.089135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.089135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.089135][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.089135][ T10] netlink_unicast+0x449/0x710 [ 2999.089135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.089135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.089135][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.089135][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.089135][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.089135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.089135][ T10] [ 2999.090867][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 2999.090867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.090867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.090867][ T10] ipv6_find_idev+0x102/0x170 [ 2999.090867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.090867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.090867][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.090867][ T10] netlink_unicast+0x449/0x710 [ 2999.090867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.090867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.090867][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.090867][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.090867][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.090867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.090867][ T10] [ 3009.118001][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3009.118690][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3009.118690][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.118690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.118690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.118690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.118690][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.118690][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.118690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.118690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.118690][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.118690][ T10] netlink_unicast+0x449/0x710 [ 3009.118690][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.118690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.118690][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.118690][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.118690][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.118690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.118690][ T10] [ 3009.120653][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3009.120653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.120653][ T10] ipv6_find_idev+0x102/0x170 [ 3009.120653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.120653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.120653][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.120653][ T10] netlink_unicast+0x449/0x710 [ 3009.120653][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.120653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.120653][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.120653][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.120653][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.120653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.120653][ T10] [ 3009.122199][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3009.122199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.122199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.122199][ T10] ipv6_find_idev+0x102/0x170 [ 3009.122199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.122199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.122199][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.122199][ T10] netlink_unicast+0x449/0x710 [ 3009.122199][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.122199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.122199][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.122199][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.122199][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.122199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.122199][ T10] [ 3009.123822][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3009.124104][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3009.124104][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.124104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.124104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.124104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.124104][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.124104][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.124104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.124104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.124104][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.124104][ T10] netlink_unicast+0x449/0x710 [ 3009.124104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.124104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.124104][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.124104][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.124104][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.124104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.124104][ T10] [ 3009.126491][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3009.126491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.126491][ T10] ipv6_find_idev+0x102/0x170 [ 3009.126491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.126491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.126491][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.126491][ T10] netlink_unicast+0x449/0x710 [ 3009.126491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.126491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.126491][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.126491][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.126491][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.126491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.126491][ T10] [ 3009.128050][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3009.128050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.128050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.128050][ T10] ipv6_find_idev+0x102/0x170 [ 3009.128050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.128050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.128050][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.128050][ T10] netlink_unicast+0x449/0x710 [ 3009.128050][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.128050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.128050][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.128050][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.128050][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.128050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.128050][ T10] [ 3009.129715][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3009.129994][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3009.129994][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.129994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.129994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.129994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.129994][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.129994][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.129994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.129994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.129994][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.129994][ T10] netlink_unicast+0x449/0x710 [ 3009.129994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.129994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.129994][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.129994][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.129994][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.129994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.129994][ T10] [ 3009.131978][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3009.131978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.131978][ T10] ipv6_find_idev+0x102/0x170 [ 3009.131978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.131978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.131978][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.131978][ T10] netlink_unicast+0x449/0x710 [ 3009.131978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.131978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.131978][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.131978][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.131978][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.131978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.131978][ T10] [ 3009.133458][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3009.133458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.133458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.133458][ T10] ipv6_find_idev+0x102/0x170 [ 3009.133458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.133458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.133458][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.133458][ T10] netlink_unicast+0x449/0x710 [ 3009.133458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.133458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.133458][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.133458][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.133458][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.133458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.133458][ T10] [ 3009.135094][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3009.135367][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3009.135367][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.135367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.135367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.135367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.135367][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.135367][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.135367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.135367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.135367][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.135367][ T10] netlink_unicast+0x449/0x710 [ 3009.135367][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.135367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.135367][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.135367][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.135367][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.135367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.135367][ T10] [ 3009.137305][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3009.137305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.137305][ T10] ipv6_find_idev+0x102/0x170 [ 3009.137305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.137305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.137305][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.137305][ T10] netlink_unicast+0x449/0x710 [ 3009.137305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.137305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.137305][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.137305][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.137305][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.137305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.137305][ T10] [ 3009.138859][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3009.138859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.138859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.138859][ T10] ipv6_find_idev+0x102/0x170 [ 3009.138859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.138859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.138859][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.138859][ T10] netlink_unicast+0x449/0x710 [ 3009.138859][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.138859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.138859][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.138859][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.138859][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.138859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.138859][ T10] [ 3009.140558][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3009.140884][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3009.140884][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.140884][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.140884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.140884][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.140884][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.140884][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.140884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.140884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.140884][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.140884][ T10] netlink_unicast+0x449/0x710 [ 3009.140884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.140884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.140884][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.140884][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.140884][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.140884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.140884][ T10] [ 3009.142899][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3009.142899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.142899][ T10] ipv6_find_idev+0x102/0x170 [ 3009.142899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.142899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.142899][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.142899][ T10] netlink_unicast+0x449/0x710 [ 3009.142899][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.142899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.142899][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.142899][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.142899][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.142899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.142899][ T10] [ 3009.144456][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3009.144456][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.144456][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.144456][ T10] ipv6_find_idev+0x102/0x170 [ 3009.144456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.144456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.144456][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.144456][ T10] netlink_unicast+0x449/0x710 [ 3009.144456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.144456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.144456][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.144456][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.144456][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.144456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.144456][ T10] [ 3009.146459][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3009.146731][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3009.146731][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.146731][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.146731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.146731][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.146731][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.146731][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.146731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.146731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.146731][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.146731][ T10] netlink_unicast+0x449/0x710 [ 3009.146731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.146731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.146731][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.146731][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.146731][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.146731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.146731][ T10] [ 3009.148936][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3009.148936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.148936][ T10] ipv6_find_idev+0x102/0x170 [ 3009.148936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.148936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.148936][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.148936][ T10] netlink_unicast+0x449/0x710 [ 3009.148936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.148936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.148936][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.148936][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.148936][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.148936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.148936][ T10] [ 3009.150735][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3009.150735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.150735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.150735][ T10] ipv6_find_idev+0x102/0x170 [ 3009.150735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.150735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.150735][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.150735][ T10] netlink_unicast+0x449/0x710 [ 3009.150735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.150735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.150735][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.150735][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.150735][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.150735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.150735][ T10] [ 3009.152676][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3009.152998][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3009.152998][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.152998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.152998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.152998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.152998][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.152998][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.152998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.152998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.152998][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.152998][ T10] netlink_unicast+0x449/0x710 [ 3009.152998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.152998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.152998][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.152998][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.152998][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.152998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.152998][ T10] [ 3009.155167][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3009.155167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.155167][ T10] ipv6_find_idev+0x102/0x170 [ 3009.155167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.155167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.155167][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.155167][ T10] netlink_unicast+0x449/0x710 [ 3009.155167][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.155167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.155167][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.155167][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.155167][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.155167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.155167][ T10] [ 3009.156920][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3009.156920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.156920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.156920][ T10] ipv6_find_idev+0x102/0x170 [ 3009.156920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.156920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.156920][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.156920][ T10] netlink_unicast+0x449/0x710 [ 3009.156920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.156920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.156920][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.156920][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.156920][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.156920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.156920][ T10] [ 3009.158851][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3009.159117][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3009.159117][ T10] netdev_get_by_index+0x5e/0x80 [ 3009.159117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3009.159117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3009.159117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3009.159117][ T10] ipv6_add_addr+0x411/0x2000 [ 3009.159117][ T10] inet6_addr_add+0x30e/0xa40 [ 3009.159117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3009.159117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.159117][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.159117][ T10] netlink_unicast+0x449/0x710 [ 3009.159117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.159117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.159117][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.159117][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.159117][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.159117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.159117][ T10] [ 3009.161423][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3009.161423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3009.161423][ T10] ipv6_find_idev+0x102/0x170 [ 3009.161423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.161423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.161423][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.161423][ T10] netlink_unicast+0x449/0x710 [ 3009.161423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.161423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.161423][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.161423][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.161423][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.161423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.161423][ T10] [ 3009.163175][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3009.163175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3009.163175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3009.163175][ T10] ipv6_find_idev+0x102/0x170 [ 3009.163175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3009.163175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3009.163175][ T10] netlink_rcv_skb+0x130/0x360 [ 3009.163175][ T10] netlink_unicast+0x449/0x710 [ 3009.163175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3009.163175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3009.163175][ T10] ___sys_sendmsg+0xee/0x170 [ 3009.163175][ T10] __sys_sendmsg+0xcd/0x170 [ 3009.163175][ T10] do_syscall_64+0xc6/0x1e0 [ 3009.163175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3009.163175][ T10] [ 3019.374041][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3019.374733][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3019.374733][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.374733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.374733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.374733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.374733][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.374733][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.374733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.374733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.374733][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.374733][ T10] netlink_unicast+0x449/0x710 [ 3019.374733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.374733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.374733][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.374733][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.374733][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.374733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.374733][ T10] [ 3019.376727][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3019.376727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.376727][ T10] ipv6_find_idev+0x102/0x170 [ 3019.376727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.376727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.376727][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.376727][ T10] netlink_unicast+0x449/0x710 [ 3019.376727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.376727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.376727][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.376727][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.376727][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.376727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.376727][ T10] [ 3019.378229][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3019.378229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.378229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.378229][ T10] ipv6_find_idev+0x102/0x170 [ 3019.378229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.378229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.378229][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.378229][ T10] netlink_unicast+0x449/0x710 [ 3019.378229][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.378229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.378229][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.378229][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.378229][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.378229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.378229][ T10] [ 3019.379957][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3019.380242][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3019.380242][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.380242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.380242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.380242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.380242][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.380242][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.380242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.380242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.380242][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.380242][ T10] netlink_unicast+0x449/0x710 [ 3019.380242][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.380242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.380242][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.380242][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.380242][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.380242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.380242][ T10] [ 3019.382292][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3019.382292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.382292][ T10] ipv6_find_idev+0x102/0x170 [ 3019.382292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.382292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.382292][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.382292][ T10] netlink_unicast+0x449/0x710 [ 3019.382292][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.382292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.382292][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.382292][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.382292][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.382292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.382292][ T10] [ 3019.383849][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3019.383849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.383849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.383849][ T10] ipv6_find_idev+0x102/0x170 [ 3019.383849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.383849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.383849][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.383849][ T10] netlink_unicast+0x449/0x710 [ 3019.383849][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.383849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.383849][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.383849][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.383849][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.383849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.383849][ T10] [ 3019.385548][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3019.385810][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3019.385810][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.385810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.385810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.385810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.385810][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.385810][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.385810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.385810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.385810][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.385810][ T10] netlink_unicast+0x449/0x710 [ 3019.385810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.385810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.385810][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.385810][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.385810][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.385810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.385810][ T10] [ 3019.387794][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3019.387794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.387794][ T10] ipv6_find_idev+0x102/0x170 [ 3019.387794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.387794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.387794][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.387794][ T10] netlink_unicast+0x449/0x710 [ 3019.387794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.387794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.387794][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.387794][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.387794][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.387794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.387794][ T10] [ 3019.389312][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3019.389312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.389312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.389312][ T10] ipv6_find_idev+0x102/0x170 [ 3019.389312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.389312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.389312][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.389312][ T10] netlink_unicast+0x449/0x710 [ 3019.389312][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.389312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.389312][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.389312][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.389312][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.389312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.389312][ T10] [ 3019.390964][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3019.391223][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3019.391223][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.391223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.391223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.391223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.391223][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.391223][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.391223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.391223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.391223][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.391223][ T10] netlink_unicast+0x449/0x710 [ 3019.391223][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.391223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.391223][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.391223][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.391223][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.391223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.391223][ T10] [ 3019.393243][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3019.393243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.393243][ T10] ipv6_find_idev+0x102/0x170 [ 3019.393243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.393243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.393243][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.393243][ T10] netlink_unicast+0x449/0x710 [ 3019.393243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.393243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.393243][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.393243][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.393243][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.393243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.393243][ T10] [ 3019.394794][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3019.394794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.394794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.394794][ T10] ipv6_find_idev+0x102/0x170 [ 3019.394794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.394794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.394794][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.394794][ T10] netlink_unicast+0x449/0x710 [ 3019.394794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.394794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.394794][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.394794][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.394794][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.394794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.394794][ T10] [ 3019.396498][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3019.396768][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3019.396768][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.396768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.396768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.396768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.396768][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.396768][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.396768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.396768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.396768][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.396768][ T10] netlink_unicast+0x449/0x710 [ 3019.396768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.396768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.396768][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.396768][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.396768][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.396768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.396768][ T10] [ 3019.398811][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3019.398811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.398811][ T10] ipv6_find_idev+0x102/0x170 [ 3019.398811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.398811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.398811][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.398811][ T10] netlink_unicast+0x449/0x710 [ 3019.398811][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.398811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.398811][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.398811][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.398811][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.398811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.398811][ T10] [ 3019.400393][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3019.400393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.400393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.400393][ T10] ipv6_find_idev+0x102/0x170 [ 3019.400393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.400393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.400393][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.400393][ T10] netlink_unicast+0x449/0x710 [ 3019.400393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.400393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.400393][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.400393][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.400393][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.400393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.400393][ T10] [ 3019.402297][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3019.402583][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3019.402583][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.402583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.402583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.402583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.402583][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.402583][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.402583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.402583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.402583][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.402583][ T10] netlink_unicast+0x449/0x710 [ 3019.402583][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.402583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.402583][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.402583][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.402583][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.402583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.402583][ T10] [ 3019.404765][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3019.404765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.404765][ T10] ipv6_find_idev+0x102/0x170 [ 3019.404765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.404765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.404765][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.404765][ T10] netlink_unicast+0x449/0x710 [ 3019.404765][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.404765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.404765][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.404765][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.404765][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.404765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.404765][ T10] [ 3019.406522][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3019.406522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.406522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.406522][ T10] ipv6_find_idev+0x102/0x170 [ 3019.406522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.406522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.406522][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.406522][ T10] netlink_unicast+0x449/0x710 [ 3019.406522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.406522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.406522][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.406522][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.406522][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.406522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.406522][ T10] [ 3019.408424][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3019.408695][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3019.408695][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.408695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.408695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.408695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.408695][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.408695][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.408695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.408695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.408695][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.408695][ T10] netlink_unicast+0x449/0x710 [ 3019.408695][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.408695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.408695][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.408695][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.408695][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.408695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.408695][ T10] [ 3019.410962][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3019.410962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.410962][ T10] ipv6_find_idev+0x102/0x170 [ 3019.410962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.410962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.410962][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.410962][ T10] netlink_unicast+0x449/0x710 [ 3019.410962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.410962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.410962][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.410962][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.410962][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.410962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.410962][ T10] [ 3019.412688][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3019.412688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.412688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.412688][ T10] ipv6_find_idev+0x102/0x170 [ 3019.412688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.412688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.412688][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.412688][ T10] netlink_unicast+0x449/0x710 [ 3019.412688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.412688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.412688][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.412688][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.412688][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.412688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.412688][ T10] [ 3019.414634][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3019.414958][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3019.414958][ T10] netdev_get_by_index+0x5e/0x80 [ 3019.414958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3019.414958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3019.414958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3019.414958][ T10] ipv6_add_addr+0x411/0x2000 [ 3019.414958][ T10] inet6_addr_add+0x30e/0xa40 [ 3019.414958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3019.414958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.414958][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.414958][ T10] netlink_unicast+0x449/0x710 [ 3019.414958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.414958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.414958][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.414958][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.414958][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.414958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.414958][ T10] [ 3019.417233][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3019.417233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3019.417233][ T10] ipv6_find_idev+0x102/0x170 [ 3019.417233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.417233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.417233][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.417233][ T10] netlink_unicast+0x449/0x710 [ 3019.417233][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.417233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.417233][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.417233][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.417233][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.417233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.417233][ T10] [ 3019.418874][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3019.418874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3019.418874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3019.418874][ T10] ipv6_find_idev+0x102/0x170 [ 3019.418874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3019.418874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3019.418874][ T10] netlink_rcv_skb+0x130/0x360 [ 3019.418874][ T10] netlink_unicast+0x449/0x710 [ 3019.418874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3019.418874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3019.418874][ T10] ___sys_sendmsg+0xee/0x170 [ 3019.418874][ T10] __sys_sendmsg+0xcd/0x170 [ 3019.418874][ T10] do_syscall_64+0xc6/0x1e0 [ 3019.418874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3019.418874][ T10] [ 3029.670004][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3029.670613][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3029.670613][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.670613][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.670613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.670613][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.670613][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.670613][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.670613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.670613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.670613][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.670613][ T10] netlink_unicast+0x449/0x710 [ 3029.670613][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.670613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.670613][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.670613][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.670613][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.670613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.670613][ T10] [ 3029.672532][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3029.672532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.672532][ T10] ipv6_find_idev+0x102/0x170 [ 3029.672532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.672532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.672532][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.672532][ T10] netlink_unicast+0x449/0x710 [ 3029.672532][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.672532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.672532][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.672532][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.672532][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.672532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.672532][ T10] [ 3029.674047][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3029.674047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.674047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.674047][ T10] ipv6_find_idev+0x102/0x170 [ 3029.674047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.674047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.674047][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.674047][ T10] netlink_unicast+0x449/0x710 [ 3029.674047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.674047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.674047][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.674047][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.674047][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.674047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.674047][ T10] [ 3029.675688][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3029.675973][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3029.675973][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.675973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.675973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.675973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.675973][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.675973][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.675973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.675973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.675973][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.675973][ T10] netlink_unicast+0x449/0x710 [ 3029.675973][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.675973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.675973][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.675973][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.675973][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.675973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.675973][ T10] [ 3029.677888][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3029.677888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.677888][ T10] ipv6_find_idev+0x102/0x170 [ 3029.677888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.677888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.677888][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.677888][ T10] netlink_unicast+0x449/0x710 [ 3029.677888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.677888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.677888][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.677888][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.677888][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.677888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.677888][ T10] [ 3029.679340][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3029.679340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.679340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.679340][ T10] ipv6_find_idev+0x102/0x170 [ 3029.679340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.679340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.679340][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.679340][ T10] netlink_unicast+0x449/0x710 [ 3029.679340][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.679340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.679340][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.679340][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.679340][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.679340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.679340][ T10] [ 3029.680932][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3029.681183][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3029.681183][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.681183][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.681183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.681183][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.681183][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.681183][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.681183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.681183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.681183][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.681183][ T10] netlink_unicast+0x449/0x710 [ 3029.681183][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.681183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.681183][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.681183][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.681183][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.681183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.681183][ T10] [ 3029.683063][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3029.683063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.683063][ T10] ipv6_find_idev+0x102/0x170 [ 3029.683063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.683063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.683063][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.683063][ T10] netlink_unicast+0x449/0x710 [ 3029.683063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.683063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.683063][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.683063][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.683063][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.683063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.683063][ T10] [ 3029.684527][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3029.684527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.684527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.684527][ T10] ipv6_find_idev+0x102/0x170 [ 3029.684527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.684527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.684527][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.684527][ T10] netlink_unicast+0x449/0x710 [ 3029.684527][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.684527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.684527][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.684527][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.684527][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.684527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.684527][ T10] [ 3029.686558][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3029.687181][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3029.687181][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.687181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.687181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.687181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.687181][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.687181][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.687181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.687181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.687181][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.687181][ T10] netlink_unicast+0x449/0x710 [ 3029.687181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.687181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.687181][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.687181][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.687181][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.687181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.687181][ T10] [ 3029.689204][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3029.689204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.689204][ T10] ipv6_find_idev+0x102/0x170 [ 3029.689204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.689204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.689204][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.689204][ T10] netlink_unicast+0x449/0x710 [ 3029.689204][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.689204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.689204][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.689204][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.689204][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.689204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.689204][ T10] [ 3029.690717][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3029.690717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.690717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.690717][ T10] ipv6_find_idev+0x102/0x170 [ 3029.690717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.690717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.690717][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.690717][ T10] netlink_unicast+0x449/0x710 [ 3029.690717][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.690717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.690717][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.690717][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.690717][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.690717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.690717][ T10] [ 3029.692412][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3029.692680][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3029.692680][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.692680][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.692680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.692680][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.692680][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.692680][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.692680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.692680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.692680][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.692680][ T10] netlink_unicast+0x449/0x710 [ 3029.692680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.692680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.692680][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.692680][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.692680][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.692680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.692680][ T10] [ 3029.694703][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3029.694703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.694703][ T10] ipv6_find_idev+0x102/0x170 [ 3029.694703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.694703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.694703][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.694703][ T10] netlink_unicast+0x449/0x710 [ 3029.694703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.694703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.694703][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.694703][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.694703][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.694703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.694703][ T10] [ 3029.696250][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3029.696250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.696250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.696250][ T10] ipv6_find_idev+0x102/0x170 [ 3029.696250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.696250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.696250][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.696250][ T10] netlink_unicast+0x449/0x710 [ 3029.696250][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.696250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.696250][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.696250][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.696250][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.696250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.696250][ T10] [ 3029.698023][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3029.698297][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3029.698297][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.698297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.698297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.698297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.698297][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.698297][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.698297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.698297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.698297][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.698297][ T10] netlink_unicast+0x449/0x710 [ 3029.698297][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.698297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.698297][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.698297][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.698297][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.698297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.698297][ T10] [ 3029.700328][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3029.700328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.700328][ T10] ipv6_find_idev+0x102/0x170 [ 3029.700328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.700328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.700328][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.700328][ T10] netlink_unicast+0x449/0x710 [ 3029.700328][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.700328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.700328][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.700328][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.700328][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.700328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.700328][ T10] [ 3029.701941][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3029.701941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.701941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.701941][ T10] ipv6_find_idev+0x102/0x170 [ 3029.701941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.701941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.701941][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.701941][ T10] netlink_unicast+0x449/0x710 [ 3029.701941][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.701941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.701941][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.701941][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.701941][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.701941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.701941][ T10] [ 3029.703830][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3029.704142][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3029.704142][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.704142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.704142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.704142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.704142][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.704142][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.704142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.704142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.704142][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.704142][ T10] netlink_unicast+0x449/0x710 [ 3029.704142][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.704142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.704142][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.704142][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.704142][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.704142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.704142][ T10] [ 3029.706291][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3029.706291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.706291][ T10] ipv6_find_idev+0x102/0x170 [ 3029.706291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.706291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.706291][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.706291][ T10] netlink_unicast+0x449/0x710 [ 3029.706291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.706291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.706291][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.706291][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.706291][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.706291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.706291][ T10] [ 3029.708081][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3029.708081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.708081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.708081][ T10] ipv6_find_idev+0x102/0x170 [ 3029.708081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.708081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.708081][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.708081][ T10] netlink_unicast+0x449/0x710 [ 3029.708081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.708081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.708081][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.708081][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.708081][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.708081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.708081][ T10] [ 3029.710017][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3029.710279][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3029.710279][ T10] netdev_get_by_index+0x5e/0x80 [ 3029.710279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3029.710279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3029.710279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3029.710279][ T10] ipv6_add_addr+0x411/0x2000 [ 3029.710279][ T10] inet6_addr_add+0x30e/0xa40 [ 3029.710279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3029.710279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.710279][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.710279][ T10] netlink_unicast+0x449/0x710 [ 3029.710279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.710279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.710279][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.710279][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.710279][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.710279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.710279][ T10] [ 3029.712477][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3029.712477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3029.712477][ T10] ipv6_find_idev+0x102/0x170 [ 3029.712477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.712477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.712477][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.712477][ T10] netlink_unicast+0x449/0x710 [ 3029.712477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.712477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.712477][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.712477][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.712477][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.712477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.712477][ T10] [ 3029.714194][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3029.714194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3029.714194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3029.714194][ T10] ipv6_find_idev+0x102/0x170 [ 3029.714194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3029.714194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3029.714194][ T10] netlink_rcv_skb+0x130/0x360 [ 3029.714194][ T10] netlink_unicast+0x449/0x710 [ 3029.714194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3029.714194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3029.714194][ T10] ___sys_sendmsg+0xee/0x170 [ 3029.714194][ T10] __sys_sendmsg+0xcd/0x170 [ 3029.714194][ T10] do_syscall_64+0xc6/0x1e0 [ 3029.714194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3029.714194][ T10] [ 3039.965989][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3039.966483][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3039.966483][ T10] netdev_get_by_index+0x5e/0x80 [ 3039.966483][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3039.966483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3039.966483][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3039.966483][ T10] ipv6_add_addr+0x411/0x2000 [ 3039.966483][ T10] inet6_addr_add+0x30e/0xa40 [ 3039.966483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3039.966483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.966483][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.966483][ T10] netlink_unicast+0x449/0x710 [ 3039.966483][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.966483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.966483][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.966483][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.966483][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.966483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.966483][ T10] [ 3039.968536][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3039.968536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3039.968536][ T10] ipv6_find_idev+0x102/0x170 [ 3039.968536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.968536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.968536][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.968536][ T10] netlink_unicast+0x449/0x710 [ 3039.968536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.968536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.968536][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.968536][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.968536][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.968536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.968536][ T10] [ 3039.970025][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3039.970025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3039.970025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3039.970025][ T10] ipv6_find_idev+0x102/0x170 [ 3039.970025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.970025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.970025][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.970025][ T10] netlink_unicast+0x449/0x710 [ 3039.970025][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.970025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.970025][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.970025][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.970025][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.970025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.970025][ T10] [ 3039.971636][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3039.971902][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3039.971902][ T10] netdev_get_by_index+0x5e/0x80 [ 3039.971902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3039.971902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3039.971902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3039.971902][ T10] ipv6_add_addr+0x411/0x2000 [ 3039.971902][ T10] inet6_addr_add+0x30e/0xa40 [ 3039.971902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3039.971902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.971902][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.971902][ T10] netlink_unicast+0x449/0x710 [ 3039.971902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.971902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.971902][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.971902][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.971902][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.971902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.971902][ T10] [ 3039.973860][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3039.973860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3039.973860][ T10] ipv6_find_idev+0x102/0x170 [ 3039.973860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.973860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.973860][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.973860][ T10] netlink_unicast+0x449/0x710 [ 3039.973860][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.973860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.973860][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.973860][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.973860][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.973860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.973860][ T10] [ 3039.975439][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3039.975439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3039.975439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3039.975439][ T10] ipv6_find_idev+0x102/0x170 [ 3039.975439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.975439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.975439][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.975439][ T10] netlink_unicast+0x449/0x710 [ 3039.975439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.975439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.975439][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.975439][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.975439][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.975439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.975439][ T10] [ 3039.977174][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3039.977444][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3039.977444][ T10] netdev_get_by_index+0x5e/0x80 [ 3039.977444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3039.977444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3039.977444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3039.977444][ T10] ipv6_add_addr+0x411/0x2000 [ 3039.977444][ T10] inet6_addr_add+0x30e/0xa40 [ 3039.977444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3039.977444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.977444][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.977444][ T10] netlink_unicast+0x449/0x710 [ 3039.977444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.977444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.977444][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.977444][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.977444][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.977444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.977444][ T10] [ 3039.979477][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3039.979477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3039.979477][ T10] ipv6_find_idev+0x102/0x170 [ 3039.979477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.979477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.979477][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.979477][ T10] netlink_unicast+0x449/0x710 [ 3039.979477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.979477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.979477][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.979477][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.979477][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.979477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.979477][ T10] [ 3039.981047][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3039.981047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3039.981047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3039.981047][ T10] ipv6_find_idev+0x102/0x170 [ 3039.981047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.981047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.981047][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.981047][ T10] netlink_unicast+0x449/0x710 [ 3039.981047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.981047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.981047][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.981047][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.981047][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.981047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.981047][ T10] [ 3039.983179][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3039.983445][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3039.983445][ T10] netdev_get_by_index+0x5e/0x80 [ 3039.983445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3039.983445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3039.983445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3039.983445][ T10] ipv6_add_addr+0x411/0x2000 [ 3039.983445][ T10] inet6_addr_add+0x30e/0xa40 [ 3039.983445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3039.983445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.983445][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.983445][ T10] netlink_unicast+0x449/0x710 [ 3039.983445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.983445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.983445][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.983445][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.983445][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.983445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.983445][ T10] [ 3039.985500][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3039.985500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3039.985500][ T10] ipv6_find_idev+0x102/0x170 [ 3039.985500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.985500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.985500][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.985500][ T10] netlink_unicast+0x449/0x710 [ 3039.985500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.985500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.985500][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.985500][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.985500][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.985500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.985500][ T10] [ 3039.987070][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3039.987070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3039.987070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3039.987070][ T10] ipv6_find_idev+0x102/0x170 [ 3039.987070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.987070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.987070][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.987070][ T10] netlink_unicast+0x449/0x710 [ 3039.987070][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.987070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.987070][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.987070][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.987070][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.987070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.987070][ T10] [ 3039.988838][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3039.989103][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3039.989103][ T10] netdev_get_by_index+0x5e/0x80 [ 3039.989103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3039.989103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3039.989103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3039.989103][ T10] ipv6_add_addr+0x411/0x2000 [ 3039.989103][ T10] inet6_addr_add+0x30e/0xa40 [ 3039.989103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3039.989103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.989103][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.989103][ T10] netlink_unicast+0x449/0x710 [ 3039.989103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.989103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.989103][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.989103][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.989103][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.989103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.989103][ T10] [ 3039.991126][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3039.991126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3039.991126][ T10] ipv6_find_idev+0x102/0x170 [ 3039.991126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.991126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.991126][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.991126][ T10] netlink_unicast+0x449/0x710 [ 3039.991126][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.991126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.991126][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.991126][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.991126][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.991126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.991126][ T10] [ 3039.992711][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3039.992711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3039.992711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3039.992711][ T10] ipv6_find_idev+0x102/0x170 [ 3039.992711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.992711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.992711][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.992711][ T10] netlink_unicast+0x449/0x710 [ 3039.992711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.992711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.992711][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.992711][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.992711][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.992711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.992711][ T10] [ 3039.994446][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3039.994714][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3039.994714][ T10] netdev_get_by_index+0x5e/0x80 [ 3039.994714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3039.994714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3039.994714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3039.994714][ T10] ipv6_add_addr+0x411/0x2000 [ 3039.994714][ T10] inet6_addr_add+0x30e/0xa40 [ 3039.994714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3039.994714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.994714][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.994714][ T10] netlink_unicast+0x449/0x710 [ 3039.994714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.994714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.994714][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.994714][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.994714][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.994714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.994714][ T10] [ 3039.996835][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3039.996835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3039.996835][ T10] ipv6_find_idev+0x102/0x170 [ 3039.996835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.996835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.996835][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.996835][ T10] netlink_unicast+0x449/0x710 [ 3039.996835][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.996835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.996835][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.996835][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.996835][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.996835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.996835][ T10] [ 3039.998646][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3039.998646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3039.998646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3039.998646][ T10] ipv6_find_idev+0x102/0x170 [ 3039.998646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3039.998646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3039.998646][ T10] netlink_rcv_skb+0x130/0x360 [ 3039.998646][ T10] netlink_unicast+0x449/0x710 [ 3039.998646][ T10] netlink_sendmsg+0x723/0xbe0 [ 3039.998646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3039.998646][ T10] ___sys_sendmsg+0xee/0x170 [ 3039.998646][ T10] __sys_sendmsg+0xcd/0x170 [ 3039.998646][ T10] do_syscall_64+0xc6/0x1e0 [ 3039.998646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3039.998646][ T10] [ 3040.000587][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3040.000927][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3040.000927][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.000927][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.000927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.000927][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.000927][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.000927][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.000927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.000927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.000927][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.000927][ T10] netlink_unicast+0x449/0x710 [ 3040.000927][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.000927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.000927][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.000927][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.000927][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.000927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.000927][ T10] [ 3040.003096][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3040.003096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.003096][ T10] ipv6_find_idev+0x102/0x170 [ 3040.003096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.003096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.003096][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.003096][ T10] netlink_unicast+0x449/0x710 [ 3040.003096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.003096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.003096][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.003096][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.003096][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.003096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.003096][ T10] [ 3040.004894][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3040.004894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.004894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.004894][ T10] ipv6_find_idev+0x102/0x170 [ 3040.004894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.004894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.004894][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.004894][ T10] netlink_unicast+0x449/0x710 [ 3040.004894][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.004894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.004894][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.004894][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.004894][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.004894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.004894][ T10] [ 3040.006874][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3040.007191][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3040.007191][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.007191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.007191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.007191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.007191][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.007191][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.007191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.007191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.007191][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.007191][ T10] netlink_unicast+0x449/0x710 [ 3040.007191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.007191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.007191][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.007191][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.007191][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.007191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.007191][ T10] [ 3040.009461][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3040.009461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.009461][ T10] ipv6_find_idev+0x102/0x170 [ 3040.009461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.009461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.009461][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.009461][ T10] netlink_unicast+0x449/0x710 [ 3040.009461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.009461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.009461][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.009461][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.009461][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.009461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.009461][ T10] [ 3040.011195][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3040.011195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.011195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.011195][ T10] ipv6_find_idev+0x102/0x170 [ 3040.011195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.011195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.011195][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.011195][ T10] netlink_unicast+0x449/0x710 [ 3040.011195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.011195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.011195][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.011195][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.011195][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.011195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.011195][ T10] [ 3050.221910][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3050.222538][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3050.222538][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.222538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.222538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.222538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.222538][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.222538][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.222538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.222538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.222538][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.222538][ T10] netlink_unicast+0x449/0x710 [ 3050.222538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.222538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.222538][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.222538][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.222538][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.222538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.222538][ T10] [ 3050.224670][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3050.224670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.224670][ T10] ipv6_find_idev+0x102/0x170 [ 3050.224670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.224670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.224670][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.224670][ T10] netlink_unicast+0x449/0x710 [ 3050.224670][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.224670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.224670][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.224670][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.224670][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.224670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.224670][ T10] [ 3050.226224][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3050.226224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.226224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.226224][ T10] ipv6_find_idev+0x102/0x170 [ 3050.226224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.226224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.226224][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.226224][ T10] netlink_unicast+0x449/0x710 [ 3050.226224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.226224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.226224][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.226224][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.226224][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.226224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.226224][ T10] [ 3050.227947][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3050.228237][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3050.228237][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.228237][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.228237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.228237][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.228237][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.228237][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.228237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.228237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.228237][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.228237][ T10] netlink_unicast+0x449/0x710 [ 3050.228237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.228237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.228237][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.228237][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.228237][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.228237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.228237][ T10] [ 3050.230840][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3050.230840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.230840][ T10] ipv6_find_idev+0x102/0x170 [ 3050.230840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.230840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.230840][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.230840][ T10] netlink_unicast+0x449/0x710 [ 3050.230840][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.230840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.230840][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.230840][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.230840][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.230840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.230840][ T10] [ 3050.232812][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3050.232812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.232812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.232812][ T10] ipv6_find_idev+0x102/0x170 [ 3050.232812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.232812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.232812][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.232812][ T10] netlink_unicast+0x449/0x710 [ 3050.232812][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.232812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.232812][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.232812][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.232812][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.232812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.232812][ T10] [ 3050.234987][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3050.235327][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3050.235327][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.235327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.235327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.235327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.235327][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.235327][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.235327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.235327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.235327][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.235327][ T10] netlink_unicast+0x449/0x710 [ 3050.235327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.235327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.235327][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.235327][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.235327][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.235327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.235327][ T10] [ 3050.237900][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3050.237900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.237900][ T10] ipv6_find_idev+0x102/0x170 [ 3050.237900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.237900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.237900][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.237900][ T10] netlink_unicast+0x449/0x710 [ 3050.237900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.237900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.237900][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.237900][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.237900][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.237900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.237900][ T10] [ 3050.239900][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3050.239900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.239900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.239900][ T10] ipv6_find_idev+0x102/0x170 [ 3050.239900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.239900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.239900][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.239900][ T10] netlink_unicast+0x449/0x710 [ 3050.239900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.239900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.239900][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.239900][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.239900][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.239900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.239900][ T10] [ 3050.242021][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3050.242304][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3050.242304][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.242304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.242304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.242304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.242304][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.242304][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.242304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.242304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.242304][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.242304][ T10] netlink_unicast+0x449/0x710 [ 3050.242304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.242304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.242304][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.242304][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.242304][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.242304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.242304][ T10] [ 3050.244901][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3050.244901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.244901][ T10] ipv6_find_idev+0x102/0x170 [ 3050.244901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.244901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.244901][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.244901][ T10] netlink_unicast+0x449/0x710 [ 3050.244901][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.244901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.244901][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.244901][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.244901][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.244901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.244901][ T10] [ 3050.246884][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3050.246884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.246884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.246884][ T10] ipv6_find_idev+0x102/0x170 [ 3050.246884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.246884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.246884][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.246884][ T10] netlink_unicast+0x449/0x710 [ 3050.246884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.246884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.246884][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.246884][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.246884][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.246884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.246884][ T10] [ 3050.249270][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3050.249570][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3050.249570][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.249570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.249570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.249570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.249570][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.249570][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.249570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.249570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.249570][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.249570][ T10] netlink_unicast+0x449/0x710 [ 3050.249570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.249570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.249570][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.249570][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.249570][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.249570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.249570][ T10] [ 3050.251969][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3050.251969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.251969][ T10] ipv6_find_idev+0x102/0x170 [ 3050.251969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.251969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.251969][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.251969][ T10] netlink_unicast+0x449/0x710 [ 3050.251969][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.251969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.251969][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.251969][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.251969][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.251969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.251969][ T10] [ 3050.254016][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3050.254016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.254016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.254016][ T10] ipv6_find_idev+0x102/0x170 [ 3050.254016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.254016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.254016][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.254016][ T10] netlink_unicast+0x449/0x710 [ 3050.254016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.254016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.254016][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.254016][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.254016][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.254016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.254016][ T10] [ 3050.256235][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3050.256531][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3050.256531][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.256531][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.256531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.256531][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.256531][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.256531][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.256531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.256531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.256531][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.256531][ T10] netlink_unicast+0x449/0x710 [ 3050.256531][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.256531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.256531][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.256531][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.256531][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.256531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.256531][ T10] [ 3050.259293][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3050.259293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.259293][ T10] ipv6_find_idev+0x102/0x170 [ 3050.259293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.259293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.259293][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.259293][ T10] netlink_unicast+0x449/0x710 [ 3050.259293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.259293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.259293][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.259293][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.259293][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.259293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.259293][ T10] [ 3050.261385][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3050.261385][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.261385][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.261385][ T10] ipv6_find_idev+0x102/0x170 [ 3050.261385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.261385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.261385][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.261385][ T10] netlink_unicast+0x449/0x710 [ 3050.261385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.261385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.261385][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.261385][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.261385][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.261385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.261385][ T10] [ 3050.263869][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3050.264211][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3050.264211][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.264211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.264211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.264211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.264211][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.264211][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.264211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.264211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.264211][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.264211][ T10] netlink_unicast+0x449/0x710 [ 3050.264211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.264211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.264211][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.264211][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.264211][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.264211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.264211][ T10] [ 3050.266745][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3050.266745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.266745][ T10] ipv6_find_idev+0x102/0x170 [ 3050.266745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.266745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.266745][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.266745][ T10] netlink_unicast+0x449/0x710 [ 3050.266745][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.266745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.266745][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.266745][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.266745][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.266745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.266745][ T10] [ 3050.268847][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3050.268847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.268847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.268847][ T10] ipv6_find_idev+0x102/0x170 [ 3050.268847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.268847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.268847][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.268847][ T10] netlink_unicast+0x449/0x710 [ 3050.268847][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.268847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.268847][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.268847][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.268847][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.268847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.268847][ T10] [ 3050.271199][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3050.271533][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3050.271533][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.271533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.271533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.271533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.271533][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.271533][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.271533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.271533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.271533][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.271533][ T10] netlink_unicast+0x449/0x710 [ 3050.271533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.271533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.271533][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.271533][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.271533][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.271533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.271533][ T10] [ 3050.274390][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3050.274390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.274390][ T10] ipv6_find_idev+0x102/0x170 [ 3050.274390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.274390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.274390][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.274390][ T10] netlink_unicast+0x449/0x710 [ 3050.274390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.274390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.274390][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.274390][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.274390][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.274390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.274390][ T10] [ 3050.276368][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3050.276368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.276368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.276368][ T10] ipv6_find_idev+0x102/0x170 [ 3050.276368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.276368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.276368][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.276368][ T10] netlink_unicast+0x449/0x710 [ 3050.276368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.276368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.276368][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.276368][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.276368][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.276368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.276368][ T10] [ 3060.517882][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3060.518357][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3060.518357][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.518357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.518357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.518357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.518357][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.518357][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.518357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.518357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.518357][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.518357][ T10] netlink_unicast+0x449/0x710 [ 3060.518357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.518357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.518357][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.518357][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.518357][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.518357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.518357][ T10] [ 3060.520267][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3060.520267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.520267][ T10] ipv6_find_idev+0x102/0x170 [ 3060.520267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.520267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.520267][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.520267][ T10] netlink_unicast+0x449/0x710 [ 3060.520267][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.520267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.520267][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.520267][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.520267][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.520267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.520267][ T10] [ 3060.521797][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3060.521797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.521797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.521797][ T10] ipv6_find_idev+0x102/0x170 [ 3060.521797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.521797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.521797][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.521797][ T10] netlink_unicast+0x449/0x710 [ 3060.521797][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.521797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.521797][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.521797][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.521797][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.521797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.521797][ T10] [ 3060.523476][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3060.523760][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3060.523760][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.523760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.523760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.523760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.523760][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.523760][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.523760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.523760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.523760][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.523760][ T10] netlink_unicast+0x449/0x710 [ 3060.523760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.523760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.523760][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.523760][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.523760][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.523760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.523760][ T10] [ 3060.525766][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3060.525766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.525766][ T10] ipv6_find_idev+0x102/0x170 [ 3060.525766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.525766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.525766][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.525766][ T10] netlink_unicast+0x449/0x710 [ 3060.525766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.525766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.525766][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.525766][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.525766][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.525766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.525766][ T10] [ 3060.527305][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3060.527305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.527305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.527305][ T10] ipv6_find_idev+0x102/0x170 [ 3060.527305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.527305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.527305][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.527305][ T10] netlink_unicast+0x449/0x710 [ 3060.527305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.527305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.527305][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.527305][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.527305][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.527305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.527305][ T10] [ 3060.529067][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3060.529344][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3060.529344][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.529344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.529344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.529344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.529344][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.529344][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.529344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.529344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.529344][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.529344][ T10] netlink_unicast+0x449/0x710 [ 3060.529344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.529344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.529344][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.529344][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.529344][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.529344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.529344][ T10] [ 3060.531300][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3060.531300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.531300][ T10] ipv6_find_idev+0x102/0x170 [ 3060.531300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.531300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.531300][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.531300][ T10] netlink_unicast+0x449/0x710 [ 3060.531300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.531300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.531300][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.531300][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.531300][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.531300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.531300][ T10] [ 3060.532919][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3060.532919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.532919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.532919][ T10] ipv6_find_idev+0x102/0x170 [ 3060.532919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.532919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.532919][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.532919][ T10] netlink_unicast+0x449/0x710 [ 3060.532919][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.532919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.532919][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.532919][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.532919][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.532919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.532919][ T10] [ 3060.534984][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3060.535285][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3060.535285][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.535285][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.535285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.535285][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.535285][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.535285][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.535285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.535285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.535285][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.535285][ T10] netlink_unicast+0x449/0x710 [ 3060.535285][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.535285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.535285][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.535285][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.535285][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.535285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.535285][ T10] [ 3060.537936][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3060.537936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.537936][ T10] ipv6_find_idev+0x102/0x170 [ 3060.537936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.537936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.537936][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.537936][ T10] netlink_unicast+0x449/0x710 [ 3060.537936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.537936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.537936][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.537936][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.537936][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.537936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.537936][ T10] [ 3060.539882][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3060.539882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.539882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.539882][ T10] ipv6_find_idev+0x102/0x170 [ 3060.539882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.539882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.539882][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.539882][ T10] netlink_unicast+0x449/0x710 [ 3060.539882][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.539882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.539882][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.539882][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.539882][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.539882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.539882][ T10] [ 3060.542394][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3060.542740][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3060.542740][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.542740][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.542740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.542740][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.542740][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.542740][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.542740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.542740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.542740][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.542740][ T10] netlink_unicast+0x449/0x710 [ 3060.542740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.542740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.542740][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.542740][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.542740][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.542740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.542740][ T10] [ 3060.545326][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3060.545326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.545326][ T10] ipv6_find_idev+0x102/0x170 [ 3060.545326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.545326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.545326][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.545326][ T10] netlink_unicast+0x449/0x710 [ 3060.545326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.545326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.545326][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.545326][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.545326][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.545326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.545326][ T10] [ 3060.547364][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3060.547364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.547364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.547364][ T10] ipv6_find_idev+0x102/0x170 [ 3060.547364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.547364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.547364][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.547364][ T10] netlink_unicast+0x449/0x710 [ 3060.547364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.547364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.547364][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.547364][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.547364][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.547364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.547364][ T10] [ 3060.549477][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3060.549896][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3060.549896][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.549896][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.549896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.549896][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.549896][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.549896][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.549896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.549896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.549896][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.549896][ T10] netlink_unicast+0x449/0x710 [ 3060.549896][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.549896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.549896][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.549896][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.549896][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.549896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.549896][ T10] [ 3060.552705][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3060.552705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.552705][ T10] ipv6_find_idev+0x102/0x170 [ 3060.552705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.552705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.552705][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.552705][ T10] netlink_unicast+0x449/0x710 [ 3060.552705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.552705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.552705][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.552705][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.552705][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.552705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.552705][ T10] [ 3060.554931][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3060.554931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.554931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.554931][ T10] ipv6_find_idev+0x102/0x170 [ 3060.554931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.554931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.554931][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.554931][ T10] netlink_unicast+0x449/0x710 [ 3060.554931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.554931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.554931][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.554931][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.554931][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.554931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.554931][ T10] [ 3060.557303][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3060.557635][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3060.557635][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.557635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.557635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.557635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.557635][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.557635][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.557635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.557635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.557635][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.557635][ T10] netlink_unicast+0x449/0x710 [ 3060.557635][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.557635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.557635][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.557635][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.557635][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.557635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.557635][ T10] [ 3060.560413][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3060.560413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.560413][ T10] ipv6_find_idev+0x102/0x170 [ 3060.560413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.560413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.560413][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.560413][ T10] netlink_unicast+0x449/0x710 [ 3060.560413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.560413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.560413][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.560413][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.560413][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.560413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.560413][ T10] [ 3060.562368][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3060.562368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.562368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.562368][ T10] ipv6_find_idev+0x102/0x170 [ 3060.562368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.562368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.562368][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.562368][ T10] netlink_unicast+0x449/0x710 [ 3060.562368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.562368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.562368][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.562368][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.562368][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.562368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.562368][ T10] [ 3060.564852][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3060.565185][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3060.565185][ T10] netdev_get_by_index+0x5e/0x80 [ 3060.565185][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3060.565185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3060.565185][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3060.565185][ T10] ipv6_add_addr+0x411/0x2000 [ 3060.565185][ T10] inet6_addr_add+0x30e/0xa40 [ 3060.565185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3060.565185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.565185][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.565185][ T10] netlink_unicast+0x449/0x710 [ 3060.565185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.565185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.565185][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.565185][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.565185][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.565185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.565185][ T10] [ 3060.567994][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3060.567994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3060.567994][ T10] ipv6_find_idev+0x102/0x170 [ 3060.567994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.567994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.567994][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.567994][ T10] netlink_unicast+0x449/0x710 [ 3060.567994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.567994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.567994][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.567994][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.567994][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.567994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.567994][ T10] [ 3060.570215][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3060.570215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3060.570215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3060.570215][ T10] ipv6_find_idev+0x102/0x170 [ 3060.570215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3060.570215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3060.570215][ T10] netlink_rcv_skb+0x130/0x360 [ 3060.570215][ T10] netlink_unicast+0x449/0x710 [ 3060.570215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3060.570215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3060.570215][ T10] ___sys_sendmsg+0xee/0x170 [ 3060.570215][ T10] __sys_sendmsg+0xcd/0x170 [ 3060.570215][ T10] do_syscall_64+0xc6/0x1e0 [ 3060.570215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3060.570215][ T10] [ 3070.813907][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3070.814446][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3070.814446][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.814446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.814446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.814446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.814446][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.814446][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.814446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.814446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.814446][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.814446][ T10] netlink_unicast+0x449/0x710 [ 3070.814446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.814446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.814446][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.814446][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.814446][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.814446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.814446][ T10] [ 3070.816443][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3070.816443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.816443][ T10] ipv6_find_idev+0x102/0x170 [ 3070.816443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.816443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.816443][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.816443][ T10] netlink_unicast+0x449/0x710 [ 3070.816443][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.816443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.816443][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.816443][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.816443][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.816443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.816443][ T10] [ 3070.818027][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3070.818027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.818027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.818027][ T10] ipv6_find_idev+0x102/0x170 [ 3070.818027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.818027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.818027][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.818027][ T10] netlink_unicast+0x449/0x710 [ 3070.818027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.818027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.818027][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.818027][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.818027][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.818027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.818027][ T10] [ 3070.819742][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3070.820020][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3070.820020][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.820020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.820020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.820020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.820020][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.820020][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.820020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.820020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.820020][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.820020][ T10] netlink_unicast+0x449/0x710 [ 3070.820020][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.820020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.820020][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.820020][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.820020][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.820020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.820020][ T10] [ 3070.821990][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3070.821990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.821990][ T10] ipv6_find_idev+0x102/0x170 [ 3070.821990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.821990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.821990][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.821990][ T10] netlink_unicast+0x449/0x710 [ 3070.821990][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.821990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.821990][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.821990][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.821990][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.821990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.821990][ T10] [ 3070.823496][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3070.823496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.823496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.823496][ T10] ipv6_find_idev+0x102/0x170 [ 3070.823496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.823496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.823496][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.823496][ T10] netlink_unicast+0x449/0x710 [ 3070.823496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.823496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.823496][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.823496][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.823496][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.823496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.823496][ T10] [ 3070.825174][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3070.825437][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3070.825437][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.825437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.825437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.825437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.825437][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.825437][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.825437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.825437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.825437][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.825437][ T10] netlink_unicast+0x449/0x710 [ 3070.825437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.825437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.825437][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.825437][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.825437][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.825437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.825437][ T10] [ 3070.827732][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3070.827732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.827732][ T10] ipv6_find_idev+0x102/0x170 [ 3070.827732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.827732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.827732][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.827732][ T10] netlink_unicast+0x449/0x710 [ 3070.827732][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.827732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.827732][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.827732][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.827732][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.827732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.827732][ T10] [ 3070.829714][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3070.829714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.829714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.829714][ T10] ipv6_find_idev+0x102/0x170 [ 3070.829714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.829714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.829714][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.829714][ T10] netlink_unicast+0x449/0x710 [ 3070.829714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.829714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.829714][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.829714][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.829714][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.829714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.829714][ T10] [ 3070.832193][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3070.832546][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3070.832546][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.832546][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.832546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.832546][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.832546][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.832546][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.832546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.832546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.832546][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.832546][ T10] netlink_unicast+0x449/0x710 [ 3070.832546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.832546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.832546][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.832546][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.832546][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.832546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.832546][ T10] [ 3070.835037][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3070.835037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.835037][ T10] ipv6_find_idev+0x102/0x170 [ 3070.835037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.835037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.835037][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.835037][ T10] netlink_unicast+0x449/0x710 [ 3070.835037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.835037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.835037][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.835037][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.835037][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.835037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.835037][ T10] [ 3070.837088][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3070.837088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.837088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.837088][ T10] ipv6_find_idev+0x102/0x170 [ 3070.837088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.837088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.837088][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.837088][ T10] netlink_unicast+0x449/0x710 [ 3070.837088][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.837088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.837088][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.837088][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.837088][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.837088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.837088][ T10] [ 3070.839227][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3070.839538][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3070.839538][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.839538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.839538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.839538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.839538][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.839538][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.839538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.839538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.839538][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.839538][ T10] netlink_unicast+0x449/0x710 [ 3070.839538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.839538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.839538][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.839538][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.839538][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.839538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.839538][ T10] [ 3070.842092][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3070.842092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.842092][ T10] ipv6_find_idev+0x102/0x170 [ 3070.842092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.842092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.842092][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.842092][ T10] netlink_unicast+0x449/0x710 [ 3070.842092][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.842092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.842092][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.842092][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.842092][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.842092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.842092][ T10] [ 3070.844020][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3070.844020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.844020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.844020][ T10] ipv6_find_idev+0x102/0x170 [ 3070.844020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.844020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.844020][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.844020][ T10] netlink_unicast+0x449/0x710 [ 3070.844020][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.844020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.844020][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.844020][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.844020][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.844020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.844020][ T10] [ 3070.846264][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3070.846575][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3070.846575][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.846575][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.846575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.846575][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.846575][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.846575][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.846575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.846575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.846575][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.846575][ T10] netlink_unicast+0x449/0x710 [ 3070.846575][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.846575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.846575][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.846575][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.846575][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.846575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.846575][ T10] [ 3070.849259][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3070.849259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.849259][ T10] ipv6_find_idev+0x102/0x170 [ 3070.849259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.849259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.849259][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.849259][ T10] netlink_unicast+0x449/0x710 [ 3070.849259][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.849259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.849259][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.849259][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.849259][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.849259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.849259][ T10] [ 3070.851520][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3070.851520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.851520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.851520][ T10] ipv6_find_idev+0x102/0x170 [ 3070.851520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.851520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.851520][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.851520][ T10] netlink_unicast+0x449/0x710 [ 3070.851520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.851520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.851520][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.851520][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.851520][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.851520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.851520][ T10] [ 3070.853826][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3070.854172][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3070.854172][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.854172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.854172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.854172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.854172][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.854172][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.854172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.854172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.854172][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.854172][ T10] netlink_unicast+0x449/0x710 [ 3070.854172][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.854172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.854172][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.854172][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.854172][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.854172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.854172][ T10] [ 3070.856969][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3070.856969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.856969][ T10] ipv6_find_idev+0x102/0x170 [ 3070.856969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.856969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.856969][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.856969][ T10] netlink_unicast+0x449/0x710 [ 3070.856969][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.856969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.856969][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.856969][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.856969][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.856969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.856969][ T10] [ 3070.859062][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3070.859062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.859062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.859062][ T10] ipv6_find_idev+0x102/0x170 [ 3070.859062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.859062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.859062][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.859062][ T10] netlink_unicast+0x449/0x710 [ 3070.859062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.859062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.859062][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.859062][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.859062][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.859062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.859062][ T10] [ 3070.861491][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3070.861790][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3070.861790][ T10] netdev_get_by_index+0x5e/0x80 [ 3070.861790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3070.861790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3070.861790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3070.861790][ T10] ipv6_add_addr+0x411/0x2000 [ 3070.861790][ T10] inet6_addr_add+0x30e/0xa40 [ 3070.861790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3070.861790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.861790][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.861790][ T10] netlink_unicast+0x449/0x710 [ 3070.861790][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.861790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.861790][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.861790][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.861790][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.861790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.861790][ T10] [ 3070.864651][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3070.864651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3070.864651][ T10] ipv6_find_idev+0x102/0x170 [ 3070.864651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.864651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.864651][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.864651][ T10] netlink_unicast+0x449/0x710 [ 3070.864651][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.864651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.864651][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.864651][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.864651][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.864651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.864651][ T10] [ 3070.866686][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3070.866686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3070.866686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3070.866686][ T10] ipv6_find_idev+0x102/0x170 [ 3070.866686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3070.866686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3070.866686][ T10] netlink_rcv_skb+0x130/0x360 [ 3070.866686][ T10] netlink_unicast+0x449/0x710 [ 3070.866686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3070.866686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3070.866686][ T10] ___sys_sendmsg+0xee/0x170 [ 3070.866686][ T10] __sys_sendmsg+0xcd/0x170 [ 3070.866686][ T10] do_syscall_64+0xc6/0x1e0 [ 3070.866686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3070.866686][ T10] [ 3080.885956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3080.886642][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3080.886642][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.886642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.886642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.886642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.886642][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.886642][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.886642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.886642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.886642][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.886642][ T10] netlink_unicast+0x449/0x710 [ 3080.886642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.886642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.886642][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.886642][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.886642][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.886642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.886642][ T10] [ 3080.888626][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3080.888626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.888626][ T10] ipv6_find_idev+0x102/0x170 [ 3080.888626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.888626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.888626][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.888626][ T10] netlink_unicast+0x449/0x710 [ 3080.888626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.888626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.888626][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.888626][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.888626][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.888626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.888626][ T10] [ 3080.890120][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3080.890120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.890120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.890120][ T10] ipv6_find_idev+0x102/0x170 [ 3080.890120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.890120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.890120][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.890120][ T10] netlink_unicast+0x449/0x710 [ 3080.890120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.890120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.890120][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.890120][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.890120][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.890120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.890120][ T10] [ 3080.891716][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3080.892013][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3080.892013][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.892013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.892013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.892013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.892013][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.892013][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.892013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.892013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.892013][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.892013][ T10] netlink_unicast+0x449/0x710 [ 3080.892013][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.892013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.892013][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.892013][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.892013][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.892013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.892013][ T10] [ 3080.893907][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3080.893907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.893907][ T10] ipv6_find_idev+0x102/0x170 [ 3080.893907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.893907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.893907][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.893907][ T10] netlink_unicast+0x449/0x710 [ 3080.893907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.893907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.893907][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.893907][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.893907][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.893907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.893907][ T10] [ 3080.895428][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3080.895428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.895428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.895428][ T10] ipv6_find_idev+0x102/0x170 [ 3080.895428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.895428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.895428][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.895428][ T10] netlink_unicast+0x449/0x710 [ 3080.895428][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.895428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.895428][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.895428][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.895428][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.895428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.895428][ T10] [ 3080.897071][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3080.897329][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3080.897329][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.897329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.897329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.897329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.897329][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.897329][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.897329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.897329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.897329][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.897329][ T10] netlink_unicast+0x449/0x710 [ 3080.897329][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.897329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.897329][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.897329][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.897329][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.897329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.897329][ T10] [ 3080.899330][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3080.899330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.899330][ T10] ipv6_find_idev+0x102/0x170 [ 3080.899330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.899330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.899330][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.899330][ T10] netlink_unicast+0x449/0x710 [ 3080.899330][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.899330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.899330][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.899330][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.899330][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.899330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.899330][ T10] [ 3080.900885][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3080.900885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.900885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.900885][ T10] ipv6_find_idev+0x102/0x170 [ 3080.900885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.900885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.900885][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.900885][ T10] netlink_unicast+0x449/0x710 [ 3080.900885][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.900885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.900885][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.900885][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.900885][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.900885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.900885][ T10] [ 3080.902838][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3080.903083][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3080.903083][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.903083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.903083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.903083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.903083][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.903083][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.903083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.903083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.903083][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.903083][ T10] netlink_unicast+0x449/0x710 [ 3080.903083][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.903083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.903083][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.903083][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.903083][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.903083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.903083][ T10] [ 3080.905051][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3080.905051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.905051][ T10] ipv6_find_idev+0x102/0x170 [ 3080.905051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.905051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.905051][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.905051][ T10] netlink_unicast+0x449/0x710 [ 3080.905051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.905051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.905051][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.905051][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.905051][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.905051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.905051][ T10] [ 3080.906569][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3080.906569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.906569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.906569][ T10] ipv6_find_idev+0x102/0x170 [ 3080.906569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.906569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.906569][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.906569][ T10] netlink_unicast+0x449/0x710 [ 3080.906569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.906569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.906569][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.906569][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.906569][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.906569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.906569][ T10] [ 3080.908343][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3080.908616][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3080.908616][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.908616][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.908616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.908616][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.908616][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.908616][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.908616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.908616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.908616][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.908616][ T10] netlink_unicast+0x449/0x710 [ 3080.908616][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.908616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.908616][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.908616][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.908616][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.908616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.908616][ T10] [ 3080.910530][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3080.910530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.910530][ T10] ipv6_find_idev+0x102/0x170 [ 3080.910530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.910530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.910530][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.910530][ T10] netlink_unicast+0x449/0x710 [ 3080.910530][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.910530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.910530][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.910530][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.910530][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.910530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.910530][ T10] [ 3080.911962][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3080.911962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.911962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.911962][ T10] ipv6_find_idev+0x102/0x170 [ 3080.911962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.911962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.911962][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.911962][ T10] netlink_unicast+0x449/0x710 [ 3080.911962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.911962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.911962][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.911962][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.911962][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.911962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.911962][ T10] [ 3080.913662][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3080.914040][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3080.914040][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.914040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.914040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.914040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.914040][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.914040][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.914040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.914040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.914040][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.914040][ T10] netlink_unicast+0x449/0x710 [ 3080.914040][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.914040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.914040][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.914040][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.914040][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.914040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.914040][ T10] [ 3080.916554][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3080.916554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.916554][ T10] ipv6_find_idev+0x102/0x170 [ 3080.916554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.916554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.916554][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.916554][ T10] netlink_unicast+0x449/0x710 [ 3080.916554][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.916554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.916554][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.916554][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.916554][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.916554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.916554][ T10] [ 3080.918877][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3080.918877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.918877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.918877][ T10] ipv6_find_idev+0x102/0x170 [ 3080.918877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.918877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.918877][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.918877][ T10] netlink_unicast+0x449/0x710 [ 3080.918877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.918877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.918877][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.918877][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.918877][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.918877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.918877][ T10] [ 3080.921266][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3080.921607][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3080.921607][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.921607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.921607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.921607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.921607][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.921607][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.921607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.921607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.921607][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.921607][ T10] netlink_unicast+0x449/0x710 [ 3080.921607][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.921607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.921607][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.921607][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.921607][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.921607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.921607][ T10] [ 3080.924335][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3080.924335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.924335][ T10] ipv6_find_idev+0x102/0x170 [ 3080.924335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.924335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.924335][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.924335][ T10] netlink_unicast+0x449/0x710 [ 3080.924335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.924335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.924335][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.924335][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.924335][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.924335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.924335][ T10] [ 3080.926354][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3080.926354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.926354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.926354][ T10] ipv6_find_idev+0x102/0x170 [ 3080.926354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.926354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.926354][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.926354][ T10] netlink_unicast+0x449/0x710 [ 3080.926354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.926354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.926354][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.926354][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.926354][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.926354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.926354][ T10] [ 3080.928836][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3080.929217][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3080.929217][ T10] netdev_get_by_index+0x5e/0x80 [ 3080.929217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3080.929217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3080.929217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3080.929217][ T10] ipv6_add_addr+0x411/0x2000 [ 3080.929217][ T10] inet6_addr_add+0x30e/0xa40 [ 3080.929217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3080.929217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.929217][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.929217][ T10] netlink_unicast+0x449/0x710 [ 3080.929217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.929217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.929217][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.929217][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.929217][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.929217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.929217][ T10] [ 3080.931941][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3080.931941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3080.931941][ T10] ipv6_find_idev+0x102/0x170 [ 3080.931941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.931941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.931941][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.931941][ T10] netlink_unicast+0x449/0x710 [ 3080.931941][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.931941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.931941][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.931941][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.931941][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.931941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.931941][ T10] [ 3080.934076][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3080.934076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3080.934076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3080.934076][ T10] ipv6_find_idev+0x102/0x170 [ 3080.934076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3080.934076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3080.934076][ T10] netlink_rcv_skb+0x130/0x360 [ 3080.934076][ T10] netlink_unicast+0x449/0x710 [ 3080.934076][ T10] netlink_sendmsg+0x723/0xbe0 [ 3080.934076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3080.934076][ T10] ___sys_sendmsg+0xee/0x170 [ 3080.934076][ T10] __sys_sendmsg+0xcd/0x170 [ 3080.934076][ T10] do_syscall_64+0xc6/0x1e0 [ 3080.934076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3080.934076][ T10] [ 3091.173971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3091.174736][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3091.174736][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.174736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.174736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.174736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.174736][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.174736][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.174736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.174736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.174736][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.174736][ T10] netlink_unicast+0x449/0x710 [ 3091.174736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.174736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.174736][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.174736][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.174736][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.174736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.174736][ T10] [ 3091.176641][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3091.176641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.176641][ T10] ipv6_find_idev+0x102/0x170 [ 3091.176641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.176641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.176641][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.176641][ T10] netlink_unicast+0x449/0x710 [ 3091.176641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.176641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.176641][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.176641][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.176641][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.176641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.176641][ T10] [ 3091.178224][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3091.178224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.178224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.178224][ T10] ipv6_find_idev+0x102/0x170 [ 3091.178224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.178224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.178224][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.178224][ T10] netlink_unicast+0x449/0x710 [ 3091.178224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.178224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.178224][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.178224][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.178224][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.178224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.178224][ T10] [ 3091.179879][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3091.180165][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3091.180165][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.180165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.180165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.180165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.180165][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.180165][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.180165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.180165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.180165][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.180165][ T10] netlink_unicast+0x449/0x710 [ 3091.180165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.180165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.180165][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.180165][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.180165][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.180165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.180165][ T10] [ 3091.182595][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3091.182595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.182595][ T10] ipv6_find_idev+0x102/0x170 [ 3091.182595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.182595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.182595][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.182595][ T10] netlink_unicast+0x449/0x710 [ 3091.182595][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.182595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.182595][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.182595][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.182595][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.182595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.182595][ T10] [ 3091.184122][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3091.184122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.184122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.184122][ T10] ipv6_find_idev+0x102/0x170 [ 3091.184122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.184122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.184122][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.184122][ T10] netlink_unicast+0x449/0x710 [ 3091.184122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.184122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.184122][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.184122][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.184122][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.184122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.184122][ T10] [ 3091.185713][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3091.185971][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3091.185971][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.185971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.185971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.185971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.185971][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.185971][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.185971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.185971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.185971][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.185971][ T10] netlink_unicast+0x449/0x710 [ 3091.185971][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.185971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.185971][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.185971][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.185971][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.185971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.185971][ T10] [ 3091.188379][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3091.188379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.188379][ T10] ipv6_find_idev+0x102/0x170 [ 3091.188379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.188379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.188379][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.188379][ T10] netlink_unicast+0x449/0x710 [ 3091.188379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.188379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.188379][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.188379][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.188379][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.188379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.188379][ T10] [ 3091.190228][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3091.190228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.190228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.190228][ T10] ipv6_find_idev+0x102/0x170 [ 3091.190228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.190228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.190228][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.190228][ T10] netlink_unicast+0x449/0x710 [ 3091.190228][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.190228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.190228][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.190228][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.190228][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.190228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.190228][ T10] [ 3091.192363][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3091.192667][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3091.192667][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.192667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.192667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.192667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.192667][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.192667][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.192667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.192667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.192667][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.192667][ T10] netlink_unicast+0x449/0x710 [ 3091.192667][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.192667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.192667][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.192667][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.192667][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.192667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.192667][ T10] [ 3091.195076][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3091.195076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.195076][ T10] ipv6_find_idev+0x102/0x170 [ 3091.195076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.195076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.195076][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.195076][ T10] netlink_unicast+0x449/0x710 [ 3091.195076][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.195076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.195076][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.195076][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.195076][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.195076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.195076][ T10] [ 3091.197212][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3091.197212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.197212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.197212][ T10] ipv6_find_idev+0x102/0x170 [ 3091.197212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.197212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.197212][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.197212][ T10] netlink_unicast+0x449/0x710 [ 3091.197212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.197212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.197212][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.197212][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.197212][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.197212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.197212][ T10] [ 3091.200186][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3091.200585][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3091.200585][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.200585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.200585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.200585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.200585][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.200585][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.200585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.200585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.200585][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.200585][ T10] netlink_unicast+0x449/0x710 [ 3091.200585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.200585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.200585][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.200585][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.200585][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.200585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.200585][ T10] [ 3091.203550][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3091.203550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.203550][ T10] ipv6_find_idev+0x102/0x170 [ 3091.203550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.203550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.203550][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.203550][ T10] netlink_unicast+0x449/0x710 [ 3091.203550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.203550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.203550][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.203550][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.203550][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.203550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.203550][ T10] [ 3091.205087][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3091.205087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.205087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.205087][ T10] ipv6_find_idev+0x102/0x170 [ 3091.205087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.205087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.205087][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.205087][ T10] netlink_unicast+0x449/0x710 [ 3091.205087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.205087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.205087][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.205087][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.205087][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.205087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.205087][ T10] [ 3091.206794][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3091.207057][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3091.207057][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.207057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.207057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.207057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.207057][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.207057][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.207057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.207057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.207057][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.207057][ T10] netlink_unicast+0x449/0x710 [ 3091.207057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.207057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.207057][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.207057][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.207057][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.207057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.207057][ T10] [ 3091.209144][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3091.209144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.209144][ T10] ipv6_find_idev+0x102/0x170 [ 3091.209144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.209144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.209144][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.209144][ T10] netlink_unicast+0x449/0x710 [ 3091.209144][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.209144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.209144][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.209144][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.209144][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.209144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.209144][ T10] [ 3091.210681][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3091.210681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.210681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.210681][ T10] ipv6_find_idev+0x102/0x170 [ 3091.210681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.210681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.210681][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.210681][ T10] netlink_unicast+0x449/0x710 [ 3091.210681][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.210681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.210681][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.210681][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.210681][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.210681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.210681][ T10] [ 3091.212630][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3091.212950][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3091.212950][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.212950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.212950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.212950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.212950][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.212950][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.212950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.212950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.212950][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.212950][ T10] netlink_unicast+0x449/0x710 [ 3091.212950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.212950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.212950][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.212950][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.212950][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.212950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.212950][ T10] [ 3091.215178][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3091.215178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.215178][ T10] ipv6_find_idev+0x102/0x170 [ 3091.215178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.215178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.215178][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.215178][ T10] netlink_unicast+0x449/0x710 [ 3091.215178][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.215178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.215178][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.215178][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.215178][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.215178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.215178][ T10] [ 3091.216868][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3091.216868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.216868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.216868][ T10] ipv6_find_idev+0x102/0x170 [ 3091.216868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.216868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.216868][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.216868][ T10] netlink_unicast+0x449/0x710 [ 3091.216868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.216868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.216868][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.216868][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.216868][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.216868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.216868][ T10] [ 3091.218747][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3091.219078][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3091.219078][ T10] netdev_get_by_index+0x5e/0x80 [ 3091.219078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3091.219078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3091.219078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3091.219078][ T10] ipv6_add_addr+0x411/0x2000 [ 3091.219078][ T10] inet6_addr_add+0x30e/0xa40 [ 3091.219078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3091.219078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.219078][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.219078][ T10] netlink_unicast+0x449/0x710 [ 3091.219078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.219078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.219078][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.219078][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.219078][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.219078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.219078][ T10] [ 3091.221250][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3091.221250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3091.221250][ T10] ipv6_find_idev+0x102/0x170 [ 3091.221250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.221250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.221250][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.221250][ T10] netlink_unicast+0x449/0x710 [ 3091.221250][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.221250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.221250][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.221250][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.221250][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.221250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.221250][ T10] [ 3091.223295][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3091.223295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3091.223295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3091.223295][ T10] ipv6_find_idev+0x102/0x170 [ 3091.223295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3091.223295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3091.223295][ T10] netlink_rcv_skb+0x130/0x360 [ 3091.223295][ T10] netlink_unicast+0x449/0x710 [ 3091.223295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3091.223295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3091.223295][ T10] ___sys_sendmsg+0xee/0x170 [ 3091.223295][ T10] __sys_sendmsg+0xcd/0x170 [ 3091.223295][ T10] do_syscall_64+0xc6/0x1e0 [ 3091.223295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3091.223295][ T10] [ 3101.461980][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3101.462534][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3101.462534][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.462534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.462534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.462534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.462534][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.462534][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.462534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.462534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.462534][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.462534][ T10] netlink_unicast+0x449/0x710 [ 3101.462534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.462534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.462534][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.462534][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.462534][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.462534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.462534][ T10] [ 3101.464528][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3101.464528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.464528][ T10] ipv6_find_idev+0x102/0x170 [ 3101.464528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.464528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.464528][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.464528][ T10] netlink_unicast+0x449/0x710 [ 3101.464528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.464528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.464528][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.464528][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.464528][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.464528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.464528][ T10] [ 3101.466036][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3101.466036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.466036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.466036][ T10] ipv6_find_idev+0x102/0x170 [ 3101.466036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.466036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.466036][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.466036][ T10] netlink_unicast+0x449/0x710 [ 3101.466036][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.466036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.466036][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.466036][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.466036][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.466036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.466036][ T10] [ 3101.467643][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3101.467945][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3101.467945][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.467945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.467945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.467945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.467945][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.467945][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.467945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.467945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.467945][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.467945][ T10] netlink_unicast+0x449/0x710 [ 3101.467945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.467945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.467945][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.467945][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.467945][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.467945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.467945][ T10] [ 3101.469915][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3101.469915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.469915][ T10] ipv6_find_idev+0x102/0x170 [ 3101.469915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.469915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.469915][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.469915][ T10] netlink_unicast+0x449/0x710 [ 3101.469915][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.469915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.469915][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.469915][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.469915][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.469915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.469915][ T10] [ 3101.471369][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3101.471369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.471369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.471369][ T10] ipv6_find_idev+0x102/0x170 [ 3101.471369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.471369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.471369][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.471369][ T10] netlink_unicast+0x449/0x710 [ 3101.471369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.471369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.471369][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.471369][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.471369][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.471369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.471369][ T10] [ 3101.473068][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3101.473334][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3101.473334][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.473334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.473334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.473334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.473334][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.473334][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.473334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.473334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.473334][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.473334][ T10] netlink_unicast+0x449/0x710 [ 3101.473334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.473334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.473334][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.473334][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.473334][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.473334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.473334][ T10] [ 3101.475306][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3101.475306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.475306][ T10] ipv6_find_idev+0x102/0x170 [ 3101.475306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.475306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.475306][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.475306][ T10] netlink_unicast+0x449/0x710 [ 3101.475306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.475306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.475306][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.475306][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.475306][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.475306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.475306][ T10] [ 3101.476782][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3101.476782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.476782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.476782][ T10] ipv6_find_idev+0x102/0x170 [ 3101.476782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.476782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.476782][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.476782][ T10] netlink_unicast+0x449/0x710 [ 3101.476782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.476782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.476782][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.476782][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.476782][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.476782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.476782][ T10] [ 3101.478914][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3101.479179][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3101.479179][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.479179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.479179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.479179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.479179][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.479179][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.479179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.479179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.479179][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.479179][ T10] netlink_unicast+0x449/0x710 [ 3101.479179][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.479179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.479179][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.479179][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.479179][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.479179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.479179][ T10] [ 3101.481232][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3101.481232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.481232][ T10] ipv6_find_idev+0x102/0x170 [ 3101.481232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.481232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.481232][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.481232][ T10] netlink_unicast+0x449/0x710 [ 3101.481232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.481232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.481232][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.481232][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.481232][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.481232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.481232][ T10] [ 3101.482775][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3101.482775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.482775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.482775][ T10] ipv6_find_idev+0x102/0x170 [ 3101.482775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.482775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.482775][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.482775][ T10] netlink_unicast+0x449/0x710 [ 3101.482775][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.482775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.482775][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.482775][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.482775][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.482775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.482775][ T10] [ 3101.484479][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3101.484756][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3101.484756][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.484756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.484756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.484756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.484756][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.484756][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.484756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.484756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.484756][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.484756][ T10] netlink_unicast+0x449/0x710 [ 3101.484756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.484756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.484756][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.484756][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.484756][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.484756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.484756][ T10] [ 3101.487211][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3101.487211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.487211][ T10] ipv6_find_idev+0x102/0x170 [ 3101.487211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.487211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.487211][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.487211][ T10] netlink_unicast+0x449/0x710 [ 3101.487211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.487211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.487211][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.487211][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.487211][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.487211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.487211][ T10] [ 3101.488804][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3101.488804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.488804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.488804][ T10] ipv6_find_idev+0x102/0x170 [ 3101.488804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.488804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.488804][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.488804][ T10] netlink_unicast+0x449/0x710 [ 3101.488804][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.488804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.488804][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.488804][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.488804][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.488804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.488804][ T10] [ 3101.490564][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3101.490879][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3101.490879][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.490879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.490879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.490879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.490879][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.490879][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.490879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.490879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.490879][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.490879][ T10] netlink_unicast+0x449/0x710 [ 3101.490879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.490879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.490879][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.490879][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.490879][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.490879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.490879][ T10] [ 3101.492972][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3101.492972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.492972][ T10] ipv6_find_idev+0x102/0x170 [ 3101.492972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.492972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.492972][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.492972][ T10] netlink_unicast+0x449/0x710 [ 3101.492972][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.492972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.492972][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.492972][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.492972][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.492972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.492972][ T10] [ 3101.494719][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3101.494719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.494719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.494719][ T10] ipv6_find_idev+0x102/0x170 [ 3101.494719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.494719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.494719][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.494719][ T10] netlink_unicast+0x449/0x710 [ 3101.494719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.494719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.494719][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.494719][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.494719][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.494719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.494719][ T10] [ 3101.496580][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3101.496909][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3101.496909][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.496909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.496909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.496909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.496909][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.496909][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.496909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.496909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.496909][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.496909][ T10] netlink_unicast+0x449/0x710 [ 3101.496909][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.496909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.496909][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.496909][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.496909][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.496909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.496909][ T10] [ 3101.499012][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3101.499012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.499012][ T10] ipv6_find_idev+0x102/0x170 [ 3101.499012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.499012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.499012][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.499012][ T10] netlink_unicast+0x449/0x710 [ 3101.499012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.499012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.499012][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.499012][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.499012][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.499012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.499012][ T10] [ 3101.500704][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3101.500704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.500704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.500704][ T10] ipv6_find_idev+0x102/0x170 [ 3101.500704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.500704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.500704][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.500704][ T10] netlink_unicast+0x449/0x710 [ 3101.500704][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.500704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.500704][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.500704][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.500704][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.500704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.500704][ T10] [ 3101.502646][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3101.502975][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3101.502975][ T10] netdev_get_by_index+0x5e/0x80 [ 3101.502975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3101.502975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3101.502975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3101.502975][ T10] ipv6_add_addr+0x411/0x2000 [ 3101.502975][ T10] inet6_addr_add+0x30e/0xa40 [ 3101.502975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3101.502975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.502975][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.502975][ T10] netlink_unicast+0x449/0x710 [ 3101.502975][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.502975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.502975][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.502975][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.502975][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.502975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.502975][ T10] [ 3101.505147][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3101.505147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3101.505147][ T10] ipv6_find_idev+0x102/0x170 [ 3101.505147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.505147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.505147][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.505147][ T10] netlink_unicast+0x449/0x710 [ 3101.505147][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.505147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.505147][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.505147][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.505147][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.505147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.505147][ T10] [ 3101.506779][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3101.506779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3101.506779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3101.506779][ T10] ipv6_find_idev+0x102/0x170 [ 3101.506779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3101.506779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3101.506779][ T10] netlink_rcv_skb+0x130/0x360 [ 3101.506779][ T10] netlink_unicast+0x449/0x710 [ 3101.506779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3101.506779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3101.506779][ T10] ___sys_sendmsg+0xee/0x170 [ 3101.506779][ T10] __sys_sendmsg+0xcd/0x170 [ 3101.506779][ T10] do_syscall_64+0xc6/0x1e0 [ 3101.506779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3101.506779][ T10] [ 3111.749960][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3111.750788][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3111.750788][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.750788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.750788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.750788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.750788][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.750788][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.750788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.750788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.750788][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.750788][ T10] netlink_unicast+0x449/0x710 [ 3111.750788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.750788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.750788][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.750788][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.750788][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.750788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.750788][ T10] [ 3111.752739][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3111.752739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.752739][ T10] ipv6_find_idev+0x102/0x170 [ 3111.752739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.752739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.752739][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.752739][ T10] netlink_unicast+0x449/0x710 [ 3111.752739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.752739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.752739][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.752739][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.752739][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.752739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.752739][ T10] [ 3111.754293][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3111.754293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.754293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.754293][ T10] ipv6_find_idev+0x102/0x170 [ 3111.754293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.754293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.754293][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.754293][ T10] netlink_unicast+0x449/0x710 [ 3111.754293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.754293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.754293][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.754293][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.754293][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.754293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.754293][ T10] [ 3111.755991][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3111.756296][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3111.756296][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.756296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.756296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.756296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.756296][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.756296][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.756296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.756296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.756296][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.756296][ T10] netlink_unicast+0x449/0x710 [ 3111.756296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.756296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.756296][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.756296][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.756296][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.756296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.756296][ T10] [ 3111.758334][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3111.758334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.758334][ T10] ipv6_find_idev+0x102/0x170 [ 3111.758334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.758334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.758334][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.758334][ T10] netlink_unicast+0x449/0x710 [ 3111.758334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.758334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.758334][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.758334][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.758334][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.758334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.758334][ T10] [ 3111.759857][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3111.759857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.759857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.759857][ T10] ipv6_find_idev+0x102/0x170 [ 3111.759857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.759857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.759857][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.759857][ T10] netlink_unicast+0x449/0x710 [ 3111.759857][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.759857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.759857][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.759857][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.759857][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.759857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.759857][ T10] [ 3111.761570][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3111.761852][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3111.761852][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.761852][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.761852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.761852][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.761852][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.761852][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.761852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.761852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.761852][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.761852][ T10] netlink_unicast+0x449/0x710 [ 3111.761852][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.761852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.761852][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.761852][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.761852][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.761852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.761852][ T10] [ 3111.763871][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3111.763871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.763871][ T10] ipv6_find_idev+0x102/0x170 [ 3111.763871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.763871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.763871][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.763871][ T10] netlink_unicast+0x449/0x710 [ 3111.763871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.763871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.763871][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.763871][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.763871][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.763871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.763871][ T10] [ 3111.765408][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3111.765408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.765408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.765408][ T10] ipv6_find_idev+0x102/0x170 [ 3111.765408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.765408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.765408][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.765408][ T10] netlink_unicast+0x449/0x710 [ 3111.765408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.765408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.765408][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.765408][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.765408][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.765408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.765408][ T10] [ 3111.767492][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3111.767800][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3111.767800][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.767800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.767800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.767800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.767800][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.767800][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.767800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.767800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.767800][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.767800][ T10] netlink_unicast+0x449/0x710 [ 3111.767800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.767800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.767800][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.767800][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.767800][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.767800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.767800][ T10] [ 3111.770397][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3111.770397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.770397][ T10] ipv6_find_idev+0x102/0x170 [ 3111.770397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.770397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.770397][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.770397][ T10] netlink_unicast+0x449/0x710 [ 3111.770397][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.770397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.770397][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.770397][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.770397][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.770397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.770397][ T10] [ 3111.771930][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3111.771930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.771930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.771930][ T10] ipv6_find_idev+0x102/0x170 [ 3111.771930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.771930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.771930][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.771930][ T10] netlink_unicast+0x449/0x710 [ 3111.771930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.771930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.771930][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.771930][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.771930][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.771930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.771930][ T10] [ 3111.774014][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3111.774277][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3111.774277][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.774277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.774277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.774277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.774277][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.774277][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.774277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.774277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.774277][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.774277][ T10] netlink_unicast+0x449/0x710 [ 3111.774277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.774277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.774277][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.774277][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.774277][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.774277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.774277][ T10] [ 3111.776292][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3111.776292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.776292][ T10] ipv6_find_idev+0x102/0x170 [ 3111.776292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.776292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.776292][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.776292][ T10] netlink_unicast+0x449/0x710 [ 3111.776292][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.776292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.776292][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.776292][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.776292][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.776292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.776292][ T10] [ 3111.777855][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3111.777855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.777855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.777855][ T10] ipv6_find_idev+0x102/0x170 [ 3111.777855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.777855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.777855][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.777855][ T10] netlink_unicast+0x449/0x710 [ 3111.777855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.777855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.777855][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.777855][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.777855][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.777855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.777855][ T10] [ 3111.779575][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3111.779891][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3111.779891][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.779891][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.779891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.779891][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.779891][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.779891][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.779891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.779891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.779891][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.779891][ T10] netlink_unicast+0x449/0x710 [ 3111.779891][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.779891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.779891][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.779891][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.779891][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.779891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.779891][ T10] [ 3111.782070][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3111.782070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.782070][ T10] ipv6_find_idev+0x102/0x170 [ 3111.782070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.782070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.782070][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.782070][ T10] netlink_unicast+0x449/0x710 [ 3111.782070][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.782070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.782070][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.782070][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.782070][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.782070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.782070][ T10] [ 3111.783803][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3111.783803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.783803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.783803][ T10] ipv6_find_idev+0x102/0x170 [ 3111.783803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.783803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.783803][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.783803][ T10] netlink_unicast+0x449/0x710 [ 3111.783803][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.783803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.783803][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.783803][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.783803][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.783803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.783803][ T10] [ 3111.785695][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3111.786012][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3111.786012][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.786012][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.786012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.786012][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.786012][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.786012][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.786012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.786012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.786012][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.786012][ T10] netlink_unicast+0x449/0x710 [ 3111.786012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.786012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.786012][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.786012][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.786012][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.786012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.786012][ T10] [ 3111.788191][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3111.788191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.788191][ T10] ipv6_find_idev+0x102/0x170 [ 3111.788191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.788191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.788191][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.788191][ T10] netlink_unicast+0x449/0x710 [ 3111.788191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.788191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.788191][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.788191][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.788191][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.788191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.788191][ T10] [ 3111.789842][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3111.789842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.789842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.789842][ T10] ipv6_find_idev+0x102/0x170 [ 3111.789842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.789842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.789842][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.789842][ T10] netlink_unicast+0x449/0x710 [ 3111.789842][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.789842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.789842][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.789842][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.789842][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.789842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.789842][ T10] [ 3111.791824][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3111.792092][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3111.792092][ T10] netdev_get_by_index+0x5e/0x80 [ 3111.792092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3111.792092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3111.792092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3111.792092][ T10] ipv6_add_addr+0x411/0x2000 [ 3111.792092][ T10] inet6_addr_add+0x30e/0xa40 [ 3111.792092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3111.792092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.792092][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.792092][ T10] netlink_unicast+0x449/0x710 [ 3111.792092][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.792092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.792092][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.792092][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.792092][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.792092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.792092][ T10] [ 3111.794309][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3111.794309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3111.794309][ T10] ipv6_find_idev+0x102/0x170 [ 3111.794309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.794309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.794309][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.794309][ T10] netlink_unicast+0x449/0x710 [ 3111.794309][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.794309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.794309][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.794309][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.794309][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.794309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.794309][ T10] [ 3111.795985][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3111.795985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3111.795985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3111.795985][ T10] ipv6_find_idev+0x102/0x170 [ 3111.795985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3111.795985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3111.795985][ T10] netlink_rcv_skb+0x130/0x360 [ 3111.795985][ T10] netlink_unicast+0x449/0x710 [ 3111.795985][ T10] netlink_sendmsg+0x723/0xbe0 [ 3111.795985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3111.795985][ T10] ___sys_sendmsg+0xee/0x170 [ 3111.795985][ T10] __sys_sendmsg+0xcd/0x170 [ 3111.795985][ T10] do_syscall_64+0xc6/0x1e0 [ 3111.795985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3111.795985][ T10] [ 3122.037963][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3122.038486][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3122.038486][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.038486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.038486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.038486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.038486][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.038486][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.038486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.038486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.038486][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.038486][ T10] netlink_unicast+0x449/0x710 [ 3122.038486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.038486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.038486][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.038486][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.038486][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.038486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.038486][ T10] [ 3122.040484][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3122.040484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.040484][ T10] ipv6_find_idev+0x102/0x170 [ 3122.040484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.040484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.040484][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.040484][ T10] netlink_unicast+0x449/0x710 [ 3122.040484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.040484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.040484][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.040484][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.040484][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.040484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.040484][ T10] [ 3122.041999][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3122.041999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.041999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.041999][ T10] ipv6_find_idev+0x102/0x170 [ 3122.041999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.041999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.041999][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.041999][ T10] netlink_unicast+0x449/0x710 [ 3122.041999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.041999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.041999][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.041999][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.041999][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.041999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.041999][ T10] [ 3122.043615][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3122.043894][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3122.043894][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.043894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.043894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.043894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.043894][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.043894][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.043894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.043894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.043894][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.043894][ T10] netlink_unicast+0x449/0x710 [ 3122.043894][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.043894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.043894][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.043894][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.043894][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.043894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.043894][ T10] [ 3122.045869][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3122.045869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.045869][ T10] ipv6_find_idev+0x102/0x170 [ 3122.045869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.045869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.045869][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.045869][ T10] netlink_unicast+0x449/0x710 [ 3122.045869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.045869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.045869][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.045869][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.045869][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.045869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.045869][ T10] [ 3122.047351][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3122.047351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.047351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.047351][ T10] ipv6_find_idev+0x102/0x170 [ 3122.047351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.047351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.047351][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.047351][ T10] netlink_unicast+0x449/0x710 [ 3122.047351][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.047351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.047351][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.047351][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.047351][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.047351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.047351][ T10] [ 3122.048988][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3122.049244][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3122.049244][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.049244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.049244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.049244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.049244][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.049244][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.049244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.049244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.049244][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.049244][ T10] netlink_unicast+0x449/0x710 [ 3122.049244][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.049244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.049244][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.049244][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.049244][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.049244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.049244][ T10] [ 3122.051172][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3122.051172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.051172][ T10] ipv6_find_idev+0x102/0x170 [ 3122.051172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.051172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.051172][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.051172][ T10] netlink_unicast+0x449/0x710 [ 3122.051172][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.051172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.051172][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.051172][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.051172][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.051172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.051172][ T10] [ 3122.052719][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3122.052719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.052719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.052719][ T10] ipv6_find_idev+0x102/0x170 [ 3122.052719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.052719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.052719][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.052719][ T10] netlink_unicast+0x449/0x710 [ 3122.052719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.052719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.052719][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.052719][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.052719][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.052719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.052719][ T10] [ 3122.054802][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3122.055071][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3122.055071][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.055071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.055071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.055071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.055071][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.055071][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.055071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.055071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.055071][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.055071][ T10] netlink_unicast+0x449/0x710 [ 3122.055071][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.055071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.055071][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.055071][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.055071][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.055071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.055071][ T10] [ 3122.057634][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3122.057634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.057634][ T10] ipv6_find_idev+0x102/0x170 [ 3122.057634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.057634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.057634][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.057634][ T10] netlink_unicast+0x449/0x710 [ 3122.057634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.057634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.057634][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.057634][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.057634][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.057634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.057634][ T10] [ 3122.059117][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3122.059117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.059117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.059117][ T10] ipv6_find_idev+0x102/0x170 [ 3122.059117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.059117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.059117][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.059117][ T10] netlink_unicast+0x449/0x710 [ 3122.059117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.059117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.059117][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.059117][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.059117][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.059117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.059117][ T10] [ 3122.060805][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3122.061069][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3122.061069][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.061069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.061069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.061069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.061069][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.061069][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.061069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.061069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.061069][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.061069][ T10] netlink_unicast+0x449/0x710 [ 3122.061069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.061069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.061069][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.061069][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.061069][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.061069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.061069][ T10] [ 3122.063063][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3122.063063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.063063][ T10] ipv6_find_idev+0x102/0x170 [ 3122.063063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.063063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.063063][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.063063][ T10] netlink_unicast+0x449/0x710 [ 3122.063063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.063063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.063063][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.063063][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.063063][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.063063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.063063][ T10] [ 3122.064615][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3122.064615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.064615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.064615][ T10] ipv6_find_idev+0x102/0x170 [ 3122.064615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.064615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.064615][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.064615][ T10] netlink_unicast+0x449/0x710 [ 3122.064615][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.064615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.064615][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.064615][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.064615][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.064615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.064615][ T10] [ 3122.066358][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3122.066629][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3122.066629][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.066629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.066629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.066629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.066629][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.066629][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.066629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.066629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.066629][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.066629][ T10] netlink_unicast+0x449/0x710 [ 3122.066629][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.066629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.066629][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.066629][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.066629][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.066629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.066629][ T10] [ 3122.068759][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3122.068759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.068759][ T10] ipv6_find_idev+0x102/0x170 [ 3122.068759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.068759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.068759][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.068759][ T10] netlink_unicast+0x449/0x710 [ 3122.068759][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.068759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.068759][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.068759][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.068759][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.068759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.068759][ T10] [ 3122.070866][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3122.070866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.070866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.070866][ T10] ipv6_find_idev+0x102/0x170 [ 3122.070866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.070866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.070866][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.070866][ T10] netlink_unicast+0x449/0x710 [ 3122.070866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.070866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.070866][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.070866][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.070866][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.070866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.070866][ T10] [ 3122.072829][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3122.073084][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3122.073084][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.073084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.073084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.073084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.073084][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.073084][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.073084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.073084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.073084][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.073084][ T10] netlink_unicast+0x449/0x710 [ 3122.073084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.073084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.073084][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.073084][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.073084][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.073084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.073084][ T10] [ 3122.075291][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3122.075291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.075291][ T10] ipv6_find_idev+0x102/0x170 [ 3122.075291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.075291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.075291][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.075291][ T10] netlink_unicast+0x449/0x710 [ 3122.075291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.075291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.075291][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.075291][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.075291][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.075291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.075291][ T10] [ 3122.076907][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3122.076907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.076907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.076907][ T10] ipv6_find_idev+0x102/0x170 [ 3122.076907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.076907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.076907][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.076907][ T10] netlink_unicast+0x449/0x710 [ 3122.076907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.076907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.076907][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.076907][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.076907][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.076907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.076907][ T10] [ 3122.078822][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3122.079122][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3122.079122][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.079122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.079122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.079122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.079122][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.079122][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.079122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.079122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.079122][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.079122][ T10] netlink_unicast+0x449/0x710 [ 3122.079122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.079122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.079122][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.079122][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.079122][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.079122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.079122][ T10] [ 3122.081300][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3122.081300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.081300][ T10] ipv6_find_idev+0x102/0x170 [ 3122.081300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.081300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.081300][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.081300][ T10] netlink_unicast+0x449/0x710 [ 3122.081300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.081300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.081300][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.081300][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.081300][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.081300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.081300][ T10] [ 3122.083046][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3122.083046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.083046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.083046][ T10] ipv6_find_idev+0x102/0x170 [ 3122.083046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.083046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.083046][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.083046][ T10] netlink_unicast+0x449/0x710 [ 3122.083046][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.083046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.083046][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.083046][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.083046][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.083046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.083046][ T10] [ 3132.325961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3132.326526][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3132.326526][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.326526][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.326526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.326526][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.326526][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.326526][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.326526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.326526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.326526][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.326526][ T10] netlink_unicast+0x449/0x710 [ 3132.326526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.326526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.326526][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.326526][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.326526][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.326526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.326526][ T10] [ 3132.328514][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3132.328514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.328514][ T10] ipv6_find_idev+0x102/0x170 [ 3132.328514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.328514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.328514][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.328514][ T10] netlink_unicast+0x449/0x710 [ 3132.328514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.328514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.328514][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.328514][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.328514][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.328514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.328514][ T10] [ 3132.330058][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3132.330058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.330058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.330058][ T10] ipv6_find_idev+0x102/0x170 [ 3132.330058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.330058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.330058][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.330058][ T10] netlink_unicast+0x449/0x710 [ 3132.330058][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.330058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.330058][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.330058][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.330058][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.330058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.330058][ T10] [ 3132.331639][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3132.331931][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3132.331931][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.331931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.331931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.331931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.331931][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.331931][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.331931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.331931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.331931][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.331931][ T10] netlink_unicast+0x449/0x710 [ 3132.331931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.331931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.331931][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.331931][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.331931][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.331931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.331931][ T10] [ 3132.333847][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3132.333847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.333847][ T10] ipv6_find_idev+0x102/0x170 [ 3132.333847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.333847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.333847][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.333847][ T10] netlink_unicast+0x449/0x710 [ 3132.333847][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.333847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.333847][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.333847][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.333847][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.333847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.333847][ T10] [ 3132.335324][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3132.335324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.335324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.335324][ T10] ipv6_find_idev+0x102/0x170 [ 3132.335324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.335324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.335324][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.335324][ T10] netlink_unicast+0x449/0x710 [ 3132.335324][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.335324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.335324][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.335324][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.335324][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.335324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.335324][ T10] [ 3132.336894][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3132.337162][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3132.337162][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.337162][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.337162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.337162][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.337162][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.337162][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.337162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.337162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.337162][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.337162][ T10] netlink_unicast+0x449/0x710 [ 3132.337162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.337162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.337162][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.337162][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.337162][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.337162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.337162][ T10] [ 3132.339152][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3132.339152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.339152][ T10] ipv6_find_idev+0x102/0x170 [ 3132.339152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.339152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.339152][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.339152][ T10] netlink_unicast+0x449/0x710 [ 3132.339152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.339152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.339152][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.339152][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.339152][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.339152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.339152][ T10] [ 3132.340583][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3132.340583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.340583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.340583][ T10] ipv6_find_idev+0x102/0x170 [ 3132.340583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.340583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.340583][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.340583][ T10] netlink_unicast+0x449/0x710 [ 3132.340583][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.340583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.340583][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.340583][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.340583][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.340583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.340583][ T10] [ 3132.342509][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3132.342753][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3132.342753][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.342753][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.342753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.342753][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.342753][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.342753][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.342753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.342753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.342753][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.342753][ T10] netlink_unicast+0x449/0x710 [ 3132.342753][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.342753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.342753][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.342753][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.342753][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.342753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.342753][ T10] [ 3132.344695][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3132.344695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.344695][ T10] ipv6_find_idev+0x102/0x170 [ 3132.344695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.344695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.344695][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.344695][ T10] netlink_unicast+0x449/0x710 [ 3132.344695][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.344695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.344695][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.344695][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.344695][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.344695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.344695][ T10] [ 3132.346253][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3132.346253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.346253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.346253][ T10] ipv6_find_idev+0x102/0x170 [ 3132.346253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.346253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.346253][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.346253][ T10] netlink_unicast+0x449/0x710 [ 3132.346253][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.346253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.346253][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.346253][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.346253][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.346253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.346253][ T10] [ 3132.347982][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3132.348236][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3132.348236][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.348236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.348236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.348236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.348236][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.348236][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.348236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.348236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.348236][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.348236][ T10] netlink_unicast+0x449/0x710 [ 3132.348236][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.348236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.348236][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.348236][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.348236][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.348236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.348236][ T10] [ 3132.350171][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3132.350171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.350171][ T10] ipv6_find_idev+0x102/0x170 [ 3132.350171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.350171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.350171][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.350171][ T10] netlink_unicast+0x449/0x710 [ 3132.350171][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.350171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.350171][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.350171][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.350171][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.350171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.350171][ T10] [ 3132.351609][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3132.351609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.351609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.351609][ T10] ipv6_find_idev+0x102/0x170 [ 3132.351609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.351609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.351609][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.351609][ T10] netlink_unicast+0x449/0x710 [ 3132.351609][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.351609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.351609][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.351609][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.351609][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.351609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.351609][ T10] [ 3132.353221][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3132.353477][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3132.353477][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.353477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.353477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.353477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.353477][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.353477][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.353477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.353477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.353477][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.353477][ T10] netlink_unicast+0x449/0x710 [ 3132.353477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.353477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.353477][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.353477][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.353477][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.353477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.353477][ T10] [ 3132.355623][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3132.355623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.355623][ T10] ipv6_find_idev+0x102/0x170 [ 3132.355623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.355623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.355623][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.355623][ T10] netlink_unicast+0x449/0x710 [ 3132.355623][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.355623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.355623][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.355623][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.355623][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.355623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.355623][ T10] [ 3132.357363][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3132.357363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.357363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.357363][ T10] ipv6_find_idev+0x102/0x170 [ 3132.357363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.357363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.357363][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.357363][ T10] netlink_unicast+0x449/0x710 [ 3132.357363][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.357363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.357363][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.357363][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.357363][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.357363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.357363][ T10] [ 3132.359331][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3132.359600][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3132.359600][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.359600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.359600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.359600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.359600][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.359600][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.359600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.359600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.359600][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.359600][ T10] netlink_unicast+0x449/0x710 [ 3132.359600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.359600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.359600][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.359600][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.359600][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.359600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.359600][ T10] [ 3132.361815][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3132.361815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.361815][ T10] ipv6_find_idev+0x102/0x170 [ 3132.361815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.361815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.361815][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.361815][ T10] netlink_unicast+0x449/0x710 [ 3132.361815][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.361815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.361815][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.361815][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.361815][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.361815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.361815][ T10] [ 3132.363426][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3132.363426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.363426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.363426][ T10] ipv6_find_idev+0x102/0x170 [ 3132.363426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.363426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.363426][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.363426][ T10] netlink_unicast+0x449/0x710 [ 3132.363426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.363426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.363426][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.363426][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.363426][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.363426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.363426][ T10] [ 3132.365372][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3132.365670][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3132.365670][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.365670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.365670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.365670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.365670][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.365670][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.365670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.365670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.365670][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.365670][ T10] netlink_unicast+0x449/0x710 [ 3132.365670][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.365670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.365670][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.365670][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.365670][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.365670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.365670][ T10] [ 3132.367835][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3132.367835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.367835][ T10] ipv6_find_idev+0x102/0x170 [ 3132.367835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.367835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.367835][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.367835][ T10] netlink_unicast+0x449/0x710 [ 3132.367835][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.367835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.367835][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.367835][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.367835][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.367835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.367835][ T10] [ 3132.369615][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3132.369615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.369615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.369615][ T10] ipv6_find_idev+0x102/0x170 [ 3132.369615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.369615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.369615][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.369615][ T10] netlink_unicast+0x449/0x710 [ 3132.369615][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.369615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.369615][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.369615][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.369615][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.369615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.369615][ T10] [ 3142.613886][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3142.614378][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3142.614378][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.614378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.614378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.614378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.614378][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.614378][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.614378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.614378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.614378][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.614378][ T10] netlink_unicast+0x449/0x710 [ 3142.614378][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.614378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.614378][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.614378][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.614378][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.614378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.614378][ T10] [ 3142.616375][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3142.616375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.616375][ T10] ipv6_find_idev+0x102/0x170 [ 3142.616375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.616375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.616375][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.616375][ T10] netlink_unicast+0x449/0x710 [ 3142.616375][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.616375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.616375][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.616375][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.616375][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.616375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.616375][ T10] [ 3142.617929][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3142.617929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.617929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.617929][ T10] ipv6_find_idev+0x102/0x170 [ 3142.617929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.617929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.617929][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.617929][ T10] netlink_unicast+0x449/0x710 [ 3142.617929][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.617929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.617929][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.617929][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.617929][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.617929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.617929][ T10] [ 3142.619646][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3142.619931][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3142.619931][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.619931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.619931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.619931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.619931][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.619931][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.619931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.619931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.619931][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.619931][ T10] netlink_unicast+0x449/0x710 [ 3142.619931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.619931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.619931][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.619931][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.619931][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.619931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.619931][ T10] [ 3142.621933][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3142.621933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.621933][ T10] ipv6_find_idev+0x102/0x170 [ 3142.621933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.621933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.621933][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.621933][ T10] netlink_unicast+0x449/0x710 [ 3142.621933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.621933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.621933][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.621933][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.621933][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.621933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.621933][ T10] [ 3142.623495][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3142.623495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.623495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.623495][ T10] ipv6_find_idev+0x102/0x170 [ 3142.623495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.623495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.623495][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.623495][ T10] netlink_unicast+0x449/0x710 [ 3142.623495][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.623495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.623495][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.623495][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.623495][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.623495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.623495][ T10] [ 3142.625185][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3142.625451][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3142.625451][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.625451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.625451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.625451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.625451][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.625451][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.625451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.625451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.625451][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.625451][ T10] netlink_unicast+0x449/0x710 [ 3142.625451][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.625451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.625451][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.625451][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.625451][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.625451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.625451][ T10] [ 3142.627478][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3142.627478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.627478][ T10] ipv6_find_idev+0x102/0x170 [ 3142.627478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.627478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.627478][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.627478][ T10] netlink_unicast+0x449/0x710 [ 3142.627478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.627478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.627478][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.627478][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.627478][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.627478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.627478][ T10] [ 3142.629038][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3142.629038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.629038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.629038][ T10] ipv6_find_idev+0x102/0x170 [ 3142.629038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.629038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.629038][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.629038][ T10] netlink_unicast+0x449/0x710 [ 3142.629038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.629038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.629038][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.629038][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.629038][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.629038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.629038][ T10] [ 3142.631158][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3142.631433][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3142.631433][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.631433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.631433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.631433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.631433][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.631433][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.631433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.631433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.631433][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.631433][ T10] netlink_unicast+0x449/0x710 [ 3142.631433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.631433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.631433][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.631433][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.631433][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.631433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.631433][ T10] [ 3142.633419][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3142.633419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.633419][ T10] ipv6_find_idev+0x102/0x170 [ 3142.633419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.633419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.633419][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.633419][ T10] netlink_unicast+0x449/0x710 [ 3142.633419][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.633419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.633419][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.633419][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.633419][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.633419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.633419][ T10] [ 3142.634942][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3142.634942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.634942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.634942][ T10] ipv6_find_idev+0x102/0x170 [ 3142.634942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.634942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.634942][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.634942][ T10] netlink_unicast+0x449/0x710 [ 3142.634942][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.634942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.634942][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.634942][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.634942][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.634942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.634942][ T10] [ 3142.636637][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3142.636953][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3142.636953][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.636953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.636953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.636953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.636953][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.636953][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.636953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.636953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.636953][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.636953][ T10] netlink_unicast+0x449/0x710 [ 3142.636953][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.636953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.636953][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.636953][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.636953][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.636953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.636953][ T10] [ 3142.638978][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3142.638978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.638978][ T10] ipv6_find_idev+0x102/0x170 [ 3142.638978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.638978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.638978][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.638978][ T10] netlink_unicast+0x449/0x710 [ 3142.638978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.638978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.638978][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.638978][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.638978][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.638978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.638978][ T10] [ 3142.640530][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3142.640530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.640530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.640530][ T10] ipv6_find_idev+0x102/0x170 [ 3142.640530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.640530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.640530][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.640530][ T10] netlink_unicast+0x449/0x710 [ 3142.640530][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.640530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.640530][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.640530][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.640530][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.640530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.640530][ T10] [ 3142.642288][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3142.642551][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3142.642551][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.642551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.642551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.642551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.642551][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.642551][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.642551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.642551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.642551][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.642551][ T10] netlink_unicast+0x449/0x710 [ 3142.642551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.642551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.642551][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.642551][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.642551][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.642551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.642551][ T10] [ 3142.644600][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3142.644600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.644600][ T10] ipv6_find_idev+0x102/0x170 [ 3142.644600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.644600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.644600][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.644600][ T10] netlink_unicast+0x449/0x710 [ 3142.644600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.644600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.644600][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.644600][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.644600][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.644600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.644600][ T10] [ 3142.646309][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3142.646309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.646309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.646309][ T10] ipv6_find_idev+0x102/0x170 [ 3142.646309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.646309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.646309][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.646309][ T10] netlink_unicast+0x449/0x710 [ 3142.646309][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.646309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.646309][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.646309][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.646309][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.646309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.646309][ T10] [ 3142.648225][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3142.648489][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3142.648489][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.648489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.648489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.648489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.648489][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.648489][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.648489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.648489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.648489][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.648489][ T10] netlink_unicast+0x449/0x710 [ 3142.648489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.648489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.648489][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.648489][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.648489][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.648489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.648489][ T10] [ 3142.650650][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3142.650650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.650650][ T10] ipv6_find_idev+0x102/0x170 [ 3142.650650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.650650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.650650][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.650650][ T10] netlink_unicast+0x449/0x710 [ 3142.650650][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.650650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.650650][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.650650][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.650650][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.650650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.650650][ T10] [ 3142.652357][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3142.652357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.652357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.652357][ T10] ipv6_find_idev+0x102/0x170 [ 3142.652357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.652357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.652357][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.652357][ T10] netlink_unicast+0x449/0x710 [ 3142.652357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.652357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.652357][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.652357][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.652357][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.652357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.652357][ T10] [ 3142.654266][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3142.654530][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3142.654530][ T10] netdev_get_by_index+0x5e/0x80 [ 3142.654530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3142.654530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3142.654530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3142.654530][ T10] ipv6_add_addr+0x411/0x2000 [ 3142.654530][ T10] inet6_addr_add+0x30e/0xa40 [ 3142.654530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3142.654530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.654530][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.654530][ T10] netlink_unicast+0x449/0x710 [ 3142.654530][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.654530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.654530][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.654530][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.654530][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.654530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.654530][ T10] [ 3142.656794][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3142.656794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3142.656794][ T10] ipv6_find_idev+0x102/0x170 [ 3142.656794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.656794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.656794][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.656794][ T10] netlink_unicast+0x449/0x710 [ 3142.656794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.656794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.656794][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.656794][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.656794][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.656794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.656794][ T10] [ 3142.658476][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3142.658476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3142.658476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3142.658476][ T10] ipv6_find_idev+0x102/0x170 [ 3142.658476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3142.658476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3142.658476][ T10] netlink_rcv_skb+0x130/0x360 [ 3142.658476][ T10] netlink_unicast+0x449/0x710 [ 3142.658476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3142.658476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3142.658476][ T10] ___sys_sendmsg+0xee/0x170 [ 3142.658476][ T10] __sys_sendmsg+0xcd/0x170 [ 3142.658476][ T10] do_syscall_64+0xc6/0x1e0 [ 3142.658476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3142.658476][ T10] [ 3152.749974][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3152.750719][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3152.750719][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.750719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.750719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.750719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.750719][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.750719][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.750719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.750719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.750719][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.750719][ T10] netlink_unicast+0x449/0x710 [ 3152.750719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.750719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.750719][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.750719][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.750719][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.750719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.750719][ T10] [ 3152.752627][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3152.752627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.752627][ T10] ipv6_find_idev+0x102/0x170 [ 3152.752627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.752627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.752627][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.752627][ T10] netlink_unicast+0x449/0x710 [ 3152.752627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.752627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.752627][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.752627][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.752627][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.752627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.752627][ T10] [ 3152.754185][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3152.754185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.754185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.754185][ T10] ipv6_find_idev+0x102/0x170 [ 3152.754185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.754185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.754185][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.754185][ T10] netlink_unicast+0x449/0x710 [ 3152.754185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.754185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.754185][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.754185][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.754185][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.754185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.754185][ T10] [ 3152.755826][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3152.756098][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3152.756098][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.756098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.756098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.756098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.756098][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.756098][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.756098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.756098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.756098][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.756098][ T10] netlink_unicast+0x449/0x710 [ 3152.756098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.756098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.756098][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.756098][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.756098][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.756098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.756098][ T10] [ 3152.758104][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3152.758104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.758104][ T10] ipv6_find_idev+0x102/0x170 [ 3152.758104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.758104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.758104][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.758104][ T10] netlink_unicast+0x449/0x710 [ 3152.758104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.758104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.758104][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.758104][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.758104][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.758104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.758104][ T10] [ 3152.759591][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3152.759591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.759591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.759591][ T10] ipv6_find_idev+0x102/0x170 [ 3152.759591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.759591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.759591][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.759591][ T10] netlink_unicast+0x449/0x710 [ 3152.759591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.759591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.759591][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.759591][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.759591][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.759591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.759591][ T10] [ 3152.761257][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3152.761517][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3152.761517][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.761517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.761517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.761517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.761517][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.761517][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.761517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.761517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.761517][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.761517][ T10] netlink_unicast+0x449/0x710 [ 3152.761517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.761517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.761517][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.761517][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.761517][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.761517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.761517][ T10] [ 3152.763411][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3152.763411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.763411][ T10] ipv6_find_idev+0x102/0x170 [ 3152.763411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.763411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.763411][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.763411][ T10] netlink_unicast+0x449/0x710 [ 3152.763411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.763411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.763411][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.763411][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.763411][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.763411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.763411][ T10] [ 3152.764860][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3152.764860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.764860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.764860][ T10] ipv6_find_idev+0x102/0x170 [ 3152.764860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.764860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.764860][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.764860][ T10] netlink_unicast+0x449/0x710 [ 3152.764860][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.764860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.764860][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.764860][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.764860][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.764860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.764860][ T10] [ 3152.766496][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3152.766739][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3152.766739][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.766739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.766739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.766739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.766739][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.766739][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.766739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.766739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.766739][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.766739][ T10] netlink_unicast+0x449/0x710 [ 3152.766739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.766739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.766739][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.766739][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.766739][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.766739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.766739][ T10] [ 3152.768770][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3152.768770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.768770][ T10] ipv6_find_idev+0x102/0x170 [ 3152.768770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.768770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.768770][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.768770][ T10] netlink_unicast+0x449/0x710 [ 3152.768770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.768770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.768770][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.768770][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.768770][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.768770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.768770][ T10] [ 3152.770333][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3152.770333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.770333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.770333][ T10] ipv6_find_idev+0x102/0x170 [ 3152.770333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.770333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.770333][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.770333][ T10] netlink_unicast+0x449/0x710 [ 3152.770333][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.770333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.770333][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.770333][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.770333][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.770333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.770333][ T10] [ 3152.772338][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3152.772596][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3152.772596][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.772596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.772596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.772596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.772596][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.772596][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.772596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.772596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.772596][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.772596][ T10] netlink_unicast+0x449/0x710 [ 3152.772596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.772596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.772596][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.772596][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.772596][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.772596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.772596][ T10] [ 3152.774583][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3152.774583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.774583][ T10] ipv6_find_idev+0x102/0x170 [ 3152.774583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.774583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.774583][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.774583][ T10] netlink_unicast+0x449/0x710 [ 3152.774583][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.774583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.774583][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.774583][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.774583][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.774583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.774583][ T10] [ 3152.776060][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3152.776060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.776060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.776060][ T10] ipv6_find_idev+0x102/0x170 [ 3152.776060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.776060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.776060][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.776060][ T10] netlink_unicast+0x449/0x710 [ 3152.776060][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.776060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.776060][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.776060][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.776060][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.776060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.776060][ T10] [ 3152.777788][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3152.778049][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3152.778049][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.778049][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.778049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.778049][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.778049][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.778049][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.778049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.778049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.778049][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.778049][ T10] netlink_unicast+0x449/0x710 [ 3152.778049][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.778049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.778049][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.778049][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.778049][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.778049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.778049][ T10] [ 3152.780188][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3152.780188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.780188][ T10] ipv6_find_idev+0x102/0x170 [ 3152.780188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.780188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.780188][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.780188][ T10] netlink_unicast+0x449/0x710 [ 3152.780188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.780188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.780188][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.780188][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.780188][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.780188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.780188][ T10] [ 3152.781881][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3152.781881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.781881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.781881][ T10] ipv6_find_idev+0x102/0x170 [ 3152.781881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.781881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.781881][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.781881][ T10] netlink_unicast+0x449/0x710 [ 3152.781881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.781881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.781881][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.781881][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.781881][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.781881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.781881][ T10] [ 3152.783841][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3152.784094][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3152.784094][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.784094][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.784094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.784094][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.784094][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.784094][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.784094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.784094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.784094][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.784094][ T10] netlink_unicast+0x449/0x710 [ 3152.784094][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.784094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.784094][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.784094][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.784094][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.784094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.784094][ T10] [ 3152.786291][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3152.786291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.786291][ T10] ipv6_find_idev+0x102/0x170 [ 3152.786291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.786291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.786291][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.786291][ T10] netlink_unicast+0x449/0x710 [ 3152.786291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.786291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.786291][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.786291][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.786291][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.786291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.786291][ T10] [ 3152.788037][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3152.788037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.788037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.788037][ T10] ipv6_find_idev+0x102/0x170 [ 3152.788037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.788037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.788037][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.788037][ T10] netlink_unicast+0x449/0x710 [ 3152.788037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.788037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.788037][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.788037][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.788037][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.788037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.788037][ T10] [ 3152.789924][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3152.790186][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3152.790186][ T10] netdev_get_by_index+0x5e/0x80 [ 3152.790186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3152.790186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3152.790186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3152.790186][ T10] ipv6_add_addr+0x411/0x2000 [ 3152.790186][ T10] inet6_addr_add+0x30e/0xa40 [ 3152.790186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3152.790186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.790186][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.790186][ T10] netlink_unicast+0x449/0x710 [ 3152.790186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.790186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.790186][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.790186][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.790186][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.790186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.790186][ T10] [ 3152.792390][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3152.792390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3152.792390][ T10] ipv6_find_idev+0x102/0x170 [ 3152.792390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.792390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.792390][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.792390][ T10] netlink_unicast+0x449/0x710 [ 3152.792390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.792390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.792390][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.792390][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.792390][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.792390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.792390][ T10] [ 3152.794095][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3152.794095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3152.794095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3152.794095][ T10] ipv6_find_idev+0x102/0x170 [ 3152.794095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3152.794095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3152.794095][ T10] netlink_rcv_skb+0x130/0x360 [ 3152.794095][ T10] netlink_unicast+0x449/0x710 [ 3152.794095][ T10] netlink_sendmsg+0x723/0xbe0 [ 3152.794095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3152.794095][ T10] ___sys_sendmsg+0xee/0x170 [ 3152.794095][ T10] __sys_sendmsg+0xcd/0x170 [ 3152.794095][ T10] do_syscall_64+0xc6/0x1e0 [ 3152.794095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3152.794095][ T10] [ 3162.957965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3162.958495][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3162.958495][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.958495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.958495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.958495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.958495][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.958495][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.958495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.958495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.958495][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.958495][ T10] netlink_unicast+0x449/0x710 [ 3162.958495][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.958495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.958495][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.958495][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.958495][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.958495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.958495][ T10] [ 3162.960500][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3162.960500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3162.960500][ T10] ipv6_find_idev+0x102/0x170 [ 3162.960500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.960500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.960500][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.960500][ T10] netlink_unicast+0x449/0x710 [ 3162.960500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.960500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.960500][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.960500][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.960500][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.960500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.960500][ T10] [ 3162.962069][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3162.962069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3162.962069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3162.962069][ T10] ipv6_find_idev+0x102/0x170 [ 3162.962069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.962069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.962069][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.962069][ T10] netlink_unicast+0x449/0x710 [ 3162.962069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.962069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.962069][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.962069][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.962069][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.962069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.962069][ T10] [ 3162.963788][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3162.964066][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3162.964066][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.964066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.964066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.964066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.964066][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.964066][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.964066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.964066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.964066][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.964066][ T10] netlink_unicast+0x449/0x710 [ 3162.964066][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.964066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.964066][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.964066][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.964066][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.964066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.964066][ T10] [ 3162.966022][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3162.966022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3162.966022][ T10] ipv6_find_idev+0x102/0x170 [ 3162.966022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.966022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.966022][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.966022][ T10] netlink_unicast+0x449/0x710 [ 3162.966022][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.966022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.966022][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.966022][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.966022][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.966022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.966022][ T10] [ 3162.967567][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3162.967567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3162.967567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3162.967567][ T10] ipv6_find_idev+0x102/0x170 [ 3162.967567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.967567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.967567][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.967567][ T10] netlink_unicast+0x449/0x710 [ 3162.967567][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.967567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.967567][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.967567][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.967567][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.967567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.967567][ T10] [ 3162.969246][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3162.969528][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3162.969528][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.969528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.969528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.969528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.969528][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.969528][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.969528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.969528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.969528][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.969528][ T10] netlink_unicast+0x449/0x710 [ 3162.969528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.969528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.969528][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.969528][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.969528][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.969528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.969528][ T10] [ 3162.971635][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3162.971635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3162.971635][ T10] ipv6_find_idev+0x102/0x170 [ 3162.971635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.971635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.971635][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.971635][ T10] netlink_unicast+0x449/0x710 [ 3162.971635][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.971635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.971635][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.971635][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.971635][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.971635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.971635][ T10] [ 3162.973181][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3162.973181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3162.973181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3162.973181][ T10] ipv6_find_idev+0x102/0x170 [ 3162.973181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.973181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.973181][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.973181][ T10] netlink_unicast+0x449/0x710 [ 3162.973181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.973181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.973181][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.973181][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.973181][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.973181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.973181][ T10] [ 3162.974866][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3162.975130][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3162.975130][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.975130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.975130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.975130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.975130][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.975130][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.975130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.975130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.975130][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.975130][ T10] netlink_unicast+0x449/0x710 [ 3162.975130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.975130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.975130][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.975130][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.975130][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.975130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.975130][ T10] [ 3162.977154][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3162.977154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3162.977154][ T10] ipv6_find_idev+0x102/0x170 [ 3162.977154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.977154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.977154][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.977154][ T10] netlink_unicast+0x449/0x710 [ 3162.977154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.977154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.977154][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.977154][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.977154][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.977154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.977154][ T10] [ 3162.978717][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3162.978717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3162.978717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3162.978717][ T10] ipv6_find_idev+0x102/0x170 [ 3162.978717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.978717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.978717][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.978717][ T10] netlink_unicast+0x449/0x710 [ 3162.978717][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.978717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.978717][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.978717][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.978717][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.978717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.978717][ T10] [ 3162.980832][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3162.981095][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3162.981095][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.981095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.981095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.981095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.981095][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.981095][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.981095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.981095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.981095][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.981095][ T10] netlink_unicast+0x449/0x710 [ 3162.981095][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.981095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.981095][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.981095][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.981095][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.981095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.981095][ T10] [ 3162.983091][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3162.983091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3162.983091][ T10] ipv6_find_idev+0x102/0x170 [ 3162.983091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.983091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.983091][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.983091][ T10] netlink_unicast+0x449/0x710 [ 3162.983091][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.983091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.983091][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.983091][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.983091][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.983091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.983091][ T10] [ 3162.984631][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3162.984631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3162.984631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3162.984631][ T10] ipv6_find_idev+0x102/0x170 [ 3162.984631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.984631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.984631][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.984631][ T10] netlink_unicast+0x449/0x710 [ 3162.984631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.984631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.984631][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.984631][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.984631][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.984631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.984631][ T10] [ 3162.986360][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3162.986624][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3162.986624][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.986624][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.986624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.986624][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.986624][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.986624][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.986624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.986624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.986624][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.986624][ T10] netlink_unicast+0x449/0x710 [ 3162.986624][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.986624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.986624][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.986624][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.986624][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.986624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.986624][ T10] [ 3162.988766][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3162.988766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3162.988766][ T10] ipv6_find_idev+0x102/0x170 [ 3162.988766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.988766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.988766][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.988766][ T10] netlink_unicast+0x449/0x710 [ 3162.988766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.988766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.988766][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.988766][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.988766][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.988766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.988766][ T10] [ 3162.990551][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3162.990551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3162.990551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3162.990551][ T10] ipv6_find_idev+0x102/0x170 [ 3162.990551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.990551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.990551][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.990551][ T10] netlink_unicast+0x449/0x710 [ 3162.990551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.990551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.990551][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.990551][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.990551][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.990551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.990551][ T10] [ 3162.992527][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3162.992791][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3162.992791][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.992791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.992791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.992791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.992791][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.992791][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.992791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.992791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.992791][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.992791][ T10] netlink_unicast+0x449/0x710 [ 3162.992791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.992791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.992791][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.992791][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.992791][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.992791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.992791][ T10] [ 3162.994953][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3162.994953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3162.994953][ T10] ipv6_find_idev+0x102/0x170 [ 3162.994953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.994953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.994953][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.994953][ T10] netlink_unicast+0x449/0x710 [ 3162.994953][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.994953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.994953][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.994953][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.994953][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.994953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.994953][ T10] [ 3162.996632][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3162.996632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3162.996632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3162.996632][ T10] ipv6_find_idev+0x102/0x170 [ 3162.996632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3162.996632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.996632][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.996632][ T10] netlink_unicast+0x449/0x710 [ 3162.996632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.996632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.996632][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.996632][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.996632][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.996632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.996632][ T10] [ 3162.998550][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3162.998814][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3162.998814][ T10] netdev_get_by_index+0x5e/0x80 [ 3162.998814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3162.998814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3162.998814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3162.998814][ T10] ipv6_add_addr+0x411/0x2000 [ 3162.998814][ T10] inet6_addr_add+0x30e/0xa40 [ 3162.998814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3162.998814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3162.998814][ T10] netlink_rcv_skb+0x130/0x360 [ 3162.998814][ T10] netlink_unicast+0x449/0x710 [ 3162.998814][ T10] netlink_sendmsg+0x723/0xbe0 [ 3162.998814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3162.998814][ T10] ___sys_sendmsg+0xee/0x170 [ 3162.998814][ T10] __sys_sendmsg+0xcd/0x170 [ 3162.998814][ T10] do_syscall_64+0xc6/0x1e0 [ 3162.998814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3162.998814][ T10] [ 3163.001105][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3163.001105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.001105][ T10] ipv6_find_idev+0x102/0x170 [ 3163.001105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.001105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.001105][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.001105][ T10] netlink_unicast+0x449/0x710 [ 3163.001105][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.001105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.001105][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.001105][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.001105][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.001105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.001105][ T10] [ 3163.002781][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3163.002781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.002781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.002781][ T10] ipv6_find_idev+0x102/0x170 [ 3163.002781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.002781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.002781][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.002781][ T10] netlink_unicast+0x449/0x710 [ 3163.002781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.002781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.002781][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.002781][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.002781][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.002781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.002781][ T10] [ 3173.245981][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3173.246523][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3173.246523][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.246523][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.246523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.246523][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.246523][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.246523][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.246523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.246523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.246523][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.246523][ T10] netlink_unicast+0x449/0x710 [ 3173.246523][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.246523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.246523][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.246523][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.246523][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.246523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.246523][ T10] [ 3173.248599][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3173.248599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.248599][ T10] ipv6_find_idev+0x102/0x170 [ 3173.248599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.248599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.248599][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.248599][ T10] netlink_unicast+0x449/0x710 [ 3173.248599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.248599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.248599][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.248599][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.248599][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.248599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.248599][ T10] [ 3173.250137][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3173.250137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.250137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.250137][ T10] ipv6_find_idev+0x102/0x170 [ 3173.250137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.250137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.250137][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.250137][ T10] netlink_unicast+0x449/0x710 [ 3173.250137][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.250137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.250137][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.250137][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.250137][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.250137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.250137][ T10] [ 3173.251841][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3173.252139][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3173.252139][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.252139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.252139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.252139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.252139][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.252139][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.252139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.252139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.252139][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.252139][ T10] netlink_unicast+0x449/0x710 [ 3173.252139][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.252139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.252139][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.252139][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.252139][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.252139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.252139][ T10] [ 3173.254123][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3173.254123][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.254123][ T10] ipv6_find_idev+0x102/0x170 [ 3173.254123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.254123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.254123][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.254123][ T10] netlink_unicast+0x449/0x710 [ 3173.254123][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.254123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.254123][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.254123][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.254123][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.254123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.254123][ T10] [ 3173.255653][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3173.255653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.255653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.255653][ T10] ipv6_find_idev+0x102/0x170 [ 3173.255653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.255653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.255653][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.255653][ T10] netlink_unicast+0x449/0x710 [ 3173.255653][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.255653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.255653][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.255653][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.255653][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.255653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.255653][ T10] [ 3173.257332][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3173.257605][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3173.257605][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.257605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.257605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.257605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.257605][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.257605][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.257605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.257605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.257605][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.257605][ T10] netlink_unicast+0x449/0x710 [ 3173.257605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.257605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.257605][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.257605][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.257605][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.257605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.257605][ T10] [ 3173.259606][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3173.259606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.259606][ T10] ipv6_find_idev+0x102/0x170 [ 3173.259606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.259606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.259606][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.259606][ T10] netlink_unicast+0x449/0x710 [ 3173.259606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.259606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.259606][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.259606][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.259606][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.259606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.259606][ T10] [ 3173.261124][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3173.261124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.261124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.261124][ T10] ipv6_find_idev+0x102/0x170 [ 3173.261124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.261124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.261124][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.261124][ T10] netlink_unicast+0x449/0x710 [ 3173.261124][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.261124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.261124][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.261124][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.261124][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.261124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.261124][ T10] [ 3173.262789][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3173.263073][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3173.263073][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.263073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.263073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.263073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.263073][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.263073][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.263073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.263073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.263073][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.263073][ T10] netlink_unicast+0x449/0x710 [ 3173.263073][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.263073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.263073][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.263073][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.263073][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.263073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.263073][ T10] [ 3173.265097][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3173.265097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.265097][ T10] ipv6_find_idev+0x102/0x170 [ 3173.265097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.265097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.265097][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.265097][ T10] netlink_unicast+0x449/0x710 [ 3173.265097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.265097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.265097][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.265097][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.265097][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.265097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.265097][ T10] [ 3173.266662][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3173.266662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.266662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.266662][ T10] ipv6_find_idev+0x102/0x170 [ 3173.266662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.266662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.266662][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.266662][ T10] netlink_unicast+0x449/0x710 [ 3173.266662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.266662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.266662][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.266662][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.266662][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.266662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.266662][ T10] [ 3173.268826][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3173.269102][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3173.269102][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.269102][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.269102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.269102][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.269102][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.269102][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.269102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.269102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.269102][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.269102][ T10] netlink_unicast+0x449/0x710 [ 3173.269102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.269102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.269102][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.269102][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.269102][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.269102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.269102][ T10] [ 3173.271143][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3173.271143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.271143][ T10] ipv6_find_idev+0x102/0x170 [ 3173.271143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.271143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.271143][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.271143][ T10] netlink_unicast+0x449/0x710 [ 3173.271143][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.271143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.271143][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.271143][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.271143][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.271143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.271143][ T10] [ 3173.272752][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3173.272752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.272752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.272752][ T10] ipv6_find_idev+0x102/0x170 [ 3173.272752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.272752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.272752][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.272752][ T10] netlink_unicast+0x449/0x710 [ 3173.272752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.272752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.272752][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.272752][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.272752][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.272752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.272752][ T10] [ 3173.274512][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3173.274778][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3173.274778][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.274778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.274778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.274778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.274778][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.274778][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.274778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.274778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.274778][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.274778][ T10] netlink_unicast+0x449/0x710 [ 3173.274778][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.274778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.274778][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.274778][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.274778][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.274778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.274778][ T10] [ 3173.277021][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3173.277021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.277021][ T10] ipv6_find_idev+0x102/0x170 [ 3173.277021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.277021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.277021][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.277021][ T10] netlink_unicast+0x449/0x710 [ 3173.277021][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.277021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.277021][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.277021][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.277021][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.277021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.277021][ T10] [ 3173.278822][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3173.278822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.278822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.278822][ T10] ipv6_find_idev+0x102/0x170 [ 3173.278822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.278822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.278822][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.278822][ T10] netlink_unicast+0x449/0x710 [ 3173.278822][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.278822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.278822][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.278822][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.278822][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.278822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.278822][ T10] [ 3173.280747][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3173.281068][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3173.281068][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.281068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.281068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.281068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.281068][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.281068][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.281068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.281068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.281068][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.281068][ T10] netlink_unicast+0x449/0x710 [ 3173.281068][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.281068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.281068][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.281068][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.281068][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.281068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.281068][ T10] [ 3173.283270][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3173.283270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.283270][ T10] ipv6_find_idev+0x102/0x170 [ 3173.283270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.283270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.283270][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.283270][ T10] netlink_unicast+0x449/0x710 [ 3173.283270][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.283270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.283270][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.283270][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.283270][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.283270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.283270][ T10] [ 3173.285037][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3173.285037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.285037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.285037][ T10] ipv6_find_idev+0x102/0x170 [ 3173.285037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.285037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.285037][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.285037][ T10] netlink_unicast+0x449/0x710 [ 3173.285037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.285037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.285037][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.285037][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.285037][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.285037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.285037][ T10] [ 3173.286846][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3173.287130][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3173.287130][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.287130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.287130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.287130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.287130][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.287130][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.287130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.287130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.287130][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.287130][ T10] netlink_unicast+0x449/0x710 [ 3173.287130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.287130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.287130][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.287130][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.287130][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.287130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.287130][ T10] [ 3173.289430][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3173.289430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.289430][ T10] ipv6_find_idev+0x102/0x170 [ 3173.289430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.289430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.289430][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.289430][ T10] netlink_unicast+0x449/0x710 [ 3173.289430][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.289430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.289430][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.289430][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.289430][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.289430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.289430][ T10] [ 3173.291075][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3173.291075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.291075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.291075][ T10] ipv6_find_idev+0x102/0x170 [ 3173.291075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.291075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.291075][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.291075][ T10] netlink_unicast+0x449/0x710 [ 3173.291075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.291075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.291075][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.291075][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.291075][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.291075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.291075][ T10] [ 3183.533977][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3183.534661][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3183.534661][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.534661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.534661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.534661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.534661][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.534661][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.534661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.534661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.534661][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.534661][ T10] netlink_unicast+0x449/0x710 [ 3183.534661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.534661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.534661][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.534661][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.534661][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.534661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.534661][ T10] [ 3183.536640][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3183.536640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.536640][ T10] ipv6_find_idev+0x102/0x170 [ 3183.536640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.536640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.536640][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.536640][ T10] netlink_unicast+0x449/0x710 [ 3183.536640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.536640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.536640][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.536640][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.536640][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.536640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.536640][ T10] [ 3183.538165][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3183.538165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.538165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.538165][ T10] ipv6_find_idev+0x102/0x170 [ 3183.538165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.538165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.538165][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.538165][ T10] netlink_unicast+0x449/0x710 [ 3183.538165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.538165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.538165][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.538165][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.538165][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.538165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.538165][ T10] [ 3183.539840][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3183.540117][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3183.540117][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.540117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.540117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.540117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.540117][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.540117][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.540117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.540117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.540117][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.540117][ T10] netlink_unicast+0x449/0x710 [ 3183.540117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.540117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.540117][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.540117][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.540117][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.540117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.540117][ T10] [ 3183.542126][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3183.542126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.542126][ T10] ipv6_find_idev+0x102/0x170 [ 3183.542126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.542126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.542126][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.542126][ T10] netlink_unicast+0x449/0x710 [ 3183.542126][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.542126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.542126][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.542126][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.542126][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.542126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.542126][ T10] [ 3183.543729][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3183.543729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.543729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.543729][ T10] ipv6_find_idev+0x102/0x170 [ 3183.543729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.543729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.543729][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.543729][ T10] netlink_unicast+0x449/0x710 [ 3183.543729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.543729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.543729][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.543729][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.543729][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.543729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.543729][ T10] [ 3183.545499][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3183.545770][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3183.545770][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.545770][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.545770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.545770][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.545770][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.545770][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.545770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.545770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.545770][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.545770][ T10] netlink_unicast+0x449/0x710 [ 3183.545770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.545770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.545770][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.545770][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.545770][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.545770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.545770][ T10] [ 3183.547816][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3183.547816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.547816][ T10] ipv6_find_idev+0x102/0x170 [ 3183.547816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.547816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.547816][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.547816][ T10] netlink_unicast+0x449/0x710 [ 3183.547816][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.547816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.547816][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.547816][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.547816][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.547816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.547816][ T10] [ 3183.549337][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3183.549337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.549337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.549337][ T10] ipv6_find_idev+0x102/0x170 [ 3183.549337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.549337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.549337][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.549337][ T10] netlink_unicast+0x449/0x710 [ 3183.549337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.549337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.549337][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.549337][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.549337][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.549337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.549337][ T10] [ 3183.550932][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3183.551185][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3183.551185][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.551185][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.551185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.551185][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.551185][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.551185][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.551185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.551185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.551185][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.551185][ T10] netlink_unicast+0x449/0x710 [ 3183.551185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.551185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.551185][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.551185][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.551185][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.551185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.551185][ T10] [ 3183.553062][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3183.553062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.553062][ T10] ipv6_find_idev+0x102/0x170 [ 3183.553062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.553062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.553062][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.553062][ T10] netlink_unicast+0x449/0x710 [ 3183.553062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.553062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.553062][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.553062][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.553062][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.553062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.553062][ T10] [ 3183.554515][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3183.554515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.554515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.554515][ T10] ipv6_find_idev+0x102/0x170 [ 3183.554515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.554515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.554515][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.554515][ T10] netlink_unicast+0x449/0x710 [ 3183.554515][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.554515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.554515][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.554515][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.554515][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.554515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.554515][ T10] [ 3183.556465][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3183.556712][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3183.556712][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.556712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.556712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.556712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.556712][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.556712][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.556712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.556712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.556712][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.556712][ T10] netlink_unicast+0x449/0x710 [ 3183.556712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.556712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.556712][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.556712][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.556712][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.556712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.556712][ T10] [ 3183.558706][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3183.558706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.558706][ T10] ipv6_find_idev+0x102/0x170 [ 3183.558706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.558706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.558706][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.558706][ T10] netlink_unicast+0x449/0x710 [ 3183.558706][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.558706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.558706][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.558706][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.558706][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.558706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.558706][ T10] [ 3183.560238][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3183.560238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.560238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.560238][ T10] ipv6_find_idev+0x102/0x170 [ 3183.560238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.560238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.560238][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.560238][ T10] netlink_unicast+0x449/0x710 [ 3183.560238][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.560238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.560238][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.560238][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.560238][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.560238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.560238][ T10] [ 3183.561937][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3183.562195][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3183.562195][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.562195][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.562195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.562195][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.562195][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.562195][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.562195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.562195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.562195][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.562195][ T10] netlink_unicast+0x449/0x710 [ 3183.562195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.562195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.562195][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.562195][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.562195][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.562195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.562195][ T10] [ 3183.564399][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3183.564399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.564399][ T10] ipv6_find_idev+0x102/0x170 [ 3183.564399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.564399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.564399][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.564399][ T10] netlink_unicast+0x449/0x710 [ 3183.564399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.564399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.564399][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.564399][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.564399][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.564399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.564399][ T10] [ 3183.566174][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3183.566174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.566174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.566174][ T10] ipv6_find_idev+0x102/0x170 [ 3183.566174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.566174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.566174][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.566174][ T10] netlink_unicast+0x449/0x710 [ 3183.566174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.566174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.566174][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.566174][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.566174][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.566174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.566174][ T10] [ 3183.568084][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3183.568354][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3183.568354][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.568354][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.568354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.568354][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.568354][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.568354][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.568354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.568354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.568354][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.568354][ T10] netlink_unicast+0x449/0x710 [ 3183.568354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.568354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.568354][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.568354][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.568354][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.568354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.568354][ T10] [ 3183.570478][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3183.570478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.570478][ T10] ipv6_find_idev+0x102/0x170 [ 3183.570478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.570478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.570478][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.570478][ T10] netlink_unicast+0x449/0x710 [ 3183.570478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.570478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.570478][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.570478][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.570478][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.570478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.570478][ T10] [ 3183.572215][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3183.572215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.572215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.572215][ T10] ipv6_find_idev+0x102/0x170 [ 3183.572215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.572215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.572215][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.572215][ T10] netlink_unicast+0x449/0x710 [ 3183.572215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.572215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.572215][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.572215][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.572215][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.572215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.572215][ T10] [ 3183.574191][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3183.574463][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3183.574463][ T10] netdev_get_by_index+0x5e/0x80 [ 3183.574463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3183.574463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3183.574463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3183.574463][ T10] ipv6_add_addr+0x411/0x2000 [ 3183.574463][ T10] inet6_addr_add+0x30e/0xa40 [ 3183.574463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3183.574463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.574463][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.574463][ T10] netlink_unicast+0x449/0x710 [ 3183.574463][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.574463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.574463][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.574463][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.574463][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.574463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.574463][ T10] [ 3183.576717][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3183.576717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3183.576717][ T10] ipv6_find_idev+0x102/0x170 [ 3183.576717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.576717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.576717][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.576717][ T10] netlink_unicast+0x449/0x710 [ 3183.576717][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.576717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.576717][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.576717][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.576717][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.576717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.576717][ T10] [ 3183.578405][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3183.578405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3183.578405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3183.578405][ T10] ipv6_find_idev+0x102/0x170 [ 3183.578405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3183.578405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3183.578405][ T10] netlink_rcv_skb+0x130/0x360 [ 3183.578405][ T10] netlink_unicast+0x449/0x710 [ 3183.578405][ T10] netlink_sendmsg+0x723/0xbe0 [ 3183.578405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3183.578405][ T10] ___sys_sendmsg+0xee/0x170 [ 3183.578405][ T10] __sys_sendmsg+0xcd/0x170 [ 3183.578405][ T10] do_syscall_64+0xc6/0x1e0 [ 3183.578405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3183.578405][ T10] [ 3193.822012][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3193.822604][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3193.822604][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.822604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.822604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.822604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.822604][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.822604][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.822604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.822604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.822604][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.822604][ T10] netlink_unicast+0x449/0x710 [ 3193.822604][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.822604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.822604][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.822604][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.822604][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.822604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.822604][ T10] [ 3193.824600][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3193.824600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.824600][ T10] ipv6_find_idev+0x102/0x170 [ 3193.824600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.824600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.824600][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.824600][ T10] netlink_unicast+0x449/0x710 [ 3193.824600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.824600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.824600][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.824600][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.824600][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.824600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.824600][ T10] [ 3193.826196][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3193.826196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.826196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.826196][ T10] ipv6_find_idev+0x102/0x170 [ 3193.826196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.826196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.826196][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.826196][ T10] netlink_unicast+0x449/0x710 [ 3193.826196][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.826196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.826196][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.826196][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.826196][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.826196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.826196][ T10] [ 3193.827935][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3193.828235][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3193.828235][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.828235][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.828235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.828235][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.828235][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.828235][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.828235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.828235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.828235][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.828235][ T10] netlink_unicast+0x449/0x710 [ 3193.828235][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.828235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.828235][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.828235][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.828235][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.828235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.828235][ T10] [ 3193.830221][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3193.830221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.830221][ T10] ipv6_find_idev+0x102/0x170 [ 3193.830221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.830221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.830221][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.830221][ T10] netlink_unicast+0x449/0x710 [ 3193.830221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.830221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.830221][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.830221][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.830221][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.830221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.830221][ T10] [ 3193.831758][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3193.831758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.831758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.831758][ T10] ipv6_find_idev+0x102/0x170 [ 3193.831758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.831758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.831758][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.831758][ T10] netlink_unicast+0x449/0x710 [ 3193.831758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.831758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.831758][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.831758][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.831758][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.831758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.831758][ T10] [ 3193.833420][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3193.833687][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3193.833687][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.833687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.833687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.833687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.833687][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.833687][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.833687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.833687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.833687][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.833687][ T10] netlink_unicast+0x449/0x710 [ 3193.833687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.833687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.833687][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.833687][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.833687][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.833687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.833687][ T10] [ 3193.836258][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3193.836258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.836258][ T10] ipv6_find_idev+0x102/0x170 [ 3193.836258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.836258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.836258][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.836258][ T10] netlink_unicast+0x449/0x710 [ 3193.836258][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.836258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.836258][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.836258][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.836258][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.836258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.836258][ T10] [ 3193.838212][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3193.838212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.838212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.838212][ T10] ipv6_find_idev+0x102/0x170 [ 3193.838212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.838212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.838212][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.838212][ T10] netlink_unicast+0x449/0x710 [ 3193.838212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.838212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.838212][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.838212][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.838212][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.838212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.838212][ T10] [ 3193.839923][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3193.840186][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3193.840186][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.840186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.840186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.840186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.840186][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.840186][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.840186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.840186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.840186][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.840186][ T10] netlink_unicast+0x449/0x710 [ 3193.840186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.840186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.840186][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.840186][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.840186][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.840186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.840186][ T10] [ 3193.842161][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3193.842161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.842161][ T10] ipv6_find_idev+0x102/0x170 [ 3193.842161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.842161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.842161][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.842161][ T10] netlink_unicast+0x449/0x710 [ 3193.842161][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.842161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.842161][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.842161][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.842161][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.842161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.842161][ T10] [ 3193.843712][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3193.843712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.843712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.843712][ T10] ipv6_find_idev+0x102/0x170 [ 3193.843712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.843712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.843712][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.843712][ T10] netlink_unicast+0x449/0x710 [ 3193.843712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.843712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.843712][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.843712][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.843712][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.843712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.843712][ T10] [ 3193.845810][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3193.846073][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3193.846073][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.846073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.846073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.846073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.846073][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.846073][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.846073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.846073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.846073][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.846073][ T10] netlink_unicast+0x449/0x710 [ 3193.846073][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.846073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.846073][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.846073][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.846073][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.846073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.846073][ T10] [ 3193.848054][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3193.848054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.848054][ T10] ipv6_find_idev+0x102/0x170 [ 3193.848054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.848054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.848054][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.848054][ T10] netlink_unicast+0x449/0x710 [ 3193.848054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.848054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.848054][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.848054][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.848054][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.848054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.848054][ T10] [ 3193.849577][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3193.849577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.849577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.849577][ T10] ipv6_find_idev+0x102/0x170 [ 3193.849577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.849577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.849577][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.849577][ T10] netlink_unicast+0x449/0x710 [ 3193.849577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.849577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.849577][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.849577][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.849577][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.849577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.849577][ T10] [ 3193.851279][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3193.851541][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3193.851541][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.851541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.851541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.851541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.851541][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.851541][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.851541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.851541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.851541][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.851541][ T10] netlink_unicast+0x449/0x710 [ 3193.851541][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.851541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.851541][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.851541][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.851541][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.851541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.851541][ T10] [ 3193.853734][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3193.853734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.853734][ T10] ipv6_find_idev+0x102/0x170 [ 3193.853734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.853734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.853734][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.853734][ T10] netlink_unicast+0x449/0x710 [ 3193.853734][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.853734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.853734][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.853734][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.853734][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.853734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.853734][ T10] [ 3193.855459][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3193.855459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.855459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.855459][ T10] ipv6_find_idev+0x102/0x170 [ 3193.855459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.855459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.855459][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.855459][ T10] netlink_unicast+0x449/0x710 [ 3193.855459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.855459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.855459][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.855459][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.855459][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.855459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.855459][ T10] [ 3193.857319][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3193.857586][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3193.857586][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.857586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.857586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.857586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.857586][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.857586][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.857586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.857586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.857586][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.857586][ T10] netlink_unicast+0x449/0x710 [ 3193.857586][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.857586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.857586][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.857586][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.857586][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.857586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.857586][ T10] [ 3193.859786][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3193.859786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.859786][ T10] ipv6_find_idev+0x102/0x170 [ 3193.859786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.859786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.859786][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.859786][ T10] netlink_unicast+0x449/0x710 [ 3193.859786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.859786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.859786][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.859786][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.859786][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.859786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.859786][ T10] [ 3193.861720][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3193.861720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.861720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.861720][ T10] ipv6_find_idev+0x102/0x170 [ 3193.861720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.861720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.861720][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.861720][ T10] netlink_unicast+0x449/0x710 [ 3193.861720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.861720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.861720][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.861720][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.861720][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.861720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.861720][ T10] [ 3193.864160][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3193.864456][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3193.864456][ T10] netdev_get_by_index+0x5e/0x80 [ 3193.864456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3193.864456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3193.864456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3193.864456][ T10] ipv6_add_addr+0x411/0x2000 [ 3193.864456][ T10] inet6_addr_add+0x30e/0xa40 [ 3193.864456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3193.864456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.864456][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.864456][ T10] netlink_unicast+0x449/0x710 [ 3193.864456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.864456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.864456][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.864456][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.864456][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.864456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.864456][ T10] [ 3193.867321][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3193.867321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3193.867321][ T10] ipv6_find_idev+0x102/0x170 [ 3193.867321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.867321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.867321][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.867321][ T10] netlink_unicast+0x449/0x710 [ 3193.867321][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.867321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.867321][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.867321][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.867321][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.867321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.867321][ T10] [ 3193.869561][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3193.869561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3193.869561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3193.869561][ T10] ipv6_find_idev+0x102/0x170 [ 3193.869561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3193.869561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3193.869561][ T10] netlink_rcv_skb+0x130/0x360 [ 3193.869561][ T10] netlink_unicast+0x449/0x710 [ 3193.869561][ T10] netlink_sendmsg+0x723/0xbe0 [ 3193.869561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3193.869561][ T10] ___sys_sendmsg+0xee/0x170 [ 3193.869561][ T10] __sys_sendmsg+0xcd/0x170 [ 3193.869561][ T10] do_syscall_64+0xc6/0x1e0 [ 3193.869561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3193.869561][ T10] [ 3204.109897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3204.110406][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3204.110406][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.110406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.110406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.110406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.110406][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.110406][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.110406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.110406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.110406][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.110406][ T10] netlink_unicast+0x449/0x710 [ 3204.110406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.110406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.110406][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.110406][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.110406][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.110406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.110406][ T10] [ 3204.112468][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3204.112468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.112468][ T10] ipv6_find_idev+0x102/0x170 [ 3204.112468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.112468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.112468][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.112468][ T10] netlink_unicast+0x449/0x710 [ 3204.112468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.112468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.112468][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.112468][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.112468][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.112468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.112468][ T10] [ 3204.114024][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3204.114024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.114024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.114024][ T10] ipv6_find_idev+0x102/0x170 [ 3204.114024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.114024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.114024][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.114024][ T10] netlink_unicast+0x449/0x710 [ 3204.114024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.114024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.114024][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.114024][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.114024][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.114024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.114024][ T10] [ 3204.115733][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3204.116034][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3204.116034][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.116034][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.116034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.116034][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.116034][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.116034][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.116034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.116034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.116034][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.116034][ T10] netlink_unicast+0x449/0x710 [ 3204.116034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.116034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.116034][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.116034][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.116034][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.116034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.116034][ T10] [ 3204.118079][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3204.118079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.118079][ T10] ipv6_find_idev+0x102/0x170 [ 3204.118079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.118079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.118079][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.118079][ T10] netlink_unicast+0x449/0x710 [ 3204.118079][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.118079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.118079][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.118079][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.118079][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.118079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.118079][ T10] [ 3204.119675][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3204.119675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.119675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.119675][ T10] ipv6_find_idev+0x102/0x170 [ 3204.119675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.119675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.119675][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.119675][ T10] netlink_unicast+0x449/0x710 [ 3204.119675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.119675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.119675][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.119675][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.119675][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.119675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.119675][ T10] [ 3204.121388][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3204.121668][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3204.121668][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.121668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.121668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.121668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.121668][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.121668][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.121668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.121668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.121668][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.121668][ T10] netlink_unicast+0x449/0x710 [ 3204.121668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.121668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.121668][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.121668][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.121668][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.121668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.121668][ T10] [ 3204.123685][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3204.123685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.123685][ T10] ipv6_find_idev+0x102/0x170 [ 3204.123685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.123685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.123685][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.123685][ T10] netlink_unicast+0x449/0x710 [ 3204.123685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.123685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.123685][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.123685][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.123685][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.123685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.123685][ T10] [ 3204.125260][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3204.125260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.125260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.125260][ T10] ipv6_find_idev+0x102/0x170 [ 3204.125260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.125260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.125260][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.125260][ T10] netlink_unicast+0x449/0x710 [ 3204.125260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.125260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.125260][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.125260][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.125260][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.125260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.125260][ T10] [ 3204.126989][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3204.127250][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3204.127250][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.127250][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.127250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.127250][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.127250][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.127250][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.127250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.127250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.127250][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.127250][ T10] netlink_unicast+0x449/0x710 [ 3204.127250][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.127250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.127250][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.127250][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.127250][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.127250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.127250][ T10] [ 3204.129288][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3204.129288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.129288][ T10] ipv6_find_idev+0x102/0x170 [ 3204.129288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.129288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.129288][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.129288][ T10] netlink_unicast+0x449/0x710 [ 3204.129288][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.129288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.129288][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.129288][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.129288][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.129288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.129288][ T10] [ 3204.131181][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3204.131181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.131181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.131181][ T10] ipv6_find_idev+0x102/0x170 [ 3204.131181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.131181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.131181][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.131181][ T10] netlink_unicast+0x449/0x710 [ 3204.131181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.131181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.131181][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.131181][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.131181][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.131181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.131181][ T10] [ 3204.132973][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3204.133364][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3204.133364][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.133364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.133364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.133364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.133364][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.133364][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.133364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.133364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.133364][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.133364][ T10] netlink_unicast+0x449/0x710 [ 3204.133364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.133364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.133364][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.133364][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.133364][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.133364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.133364][ T10] [ 3204.136000][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3204.136000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.136000][ T10] ipv6_find_idev+0x102/0x170 [ 3204.136000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.136000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.136000][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.136000][ T10] netlink_unicast+0x449/0x710 [ 3204.136000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.136000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.136000][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.136000][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.136000][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.136000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.136000][ T10] [ 3204.137969][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3204.137969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.137969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.137969][ T10] ipv6_find_idev+0x102/0x170 [ 3204.137969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.137969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.137969][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.137969][ T10] netlink_unicast+0x449/0x710 [ 3204.137969][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.137969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.137969][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.137969][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.137969][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.137969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.137969][ T10] [ 3204.140493][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3204.140808][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3204.140808][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.140808][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.140808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.140808][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.140808][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.140808][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.140808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.140808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.140808][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.140808][ T10] netlink_unicast+0x449/0x710 [ 3204.140808][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.140808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.140808][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.140808][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.140808][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.140808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.140808][ T10] [ 3204.143708][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3204.143708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.143708][ T10] ipv6_find_idev+0x102/0x170 [ 3204.143708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.143708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.143708][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.143708][ T10] netlink_unicast+0x449/0x710 [ 3204.143708][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.143708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.143708][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.143708][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.143708][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.143708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.143708][ T10] [ 3204.145881][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3204.145881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.145881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.145881][ T10] ipv6_find_idev+0x102/0x170 [ 3204.145881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.145881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.145881][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.145881][ T10] netlink_unicast+0x449/0x710 [ 3204.145881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.145881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.145881][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.145881][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.145881][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.145881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.145881][ T10] [ 3204.148294][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3204.148644][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3204.148644][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.148644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.148644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.148644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.148644][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.148644][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.148644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.148644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.148644][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.148644][ T10] netlink_unicast+0x449/0x710 [ 3204.148644][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.148644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.148644][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.148644][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.148644][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.148644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.148644][ T10] [ 3204.151391][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3204.151391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.151391][ T10] ipv6_find_idev+0x102/0x170 [ 3204.151391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.151391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.151391][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.151391][ T10] netlink_unicast+0x449/0x710 [ 3204.151391][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.151391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.151391][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.151391][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.151391][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.151391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.151391][ T10] [ 3204.153500][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3204.153500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.153500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.153500][ T10] ipv6_find_idev+0x102/0x170 [ 3204.153500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.153500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.153500][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.153500][ T10] netlink_unicast+0x449/0x710 [ 3204.153500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.153500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.153500][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.153500][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.153500][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.153500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.153500][ T10] [ 3204.155839][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3204.156142][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3204.156142][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.156142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.156142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.156142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.156142][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.156142][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.156142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.156142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.156142][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.156142][ T10] netlink_unicast+0x449/0x710 [ 3204.156142][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.156142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.156142][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.156142][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.156142][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.156142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.156142][ T10] [ 3204.158949][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3204.158949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.158949][ T10] ipv6_find_idev+0x102/0x170 [ 3204.158949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.158949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.158949][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.158949][ T10] netlink_unicast+0x449/0x710 [ 3204.158949][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.158949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.158949][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.158949][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.158949][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.158949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.158949][ T10] [ 3204.161064][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3204.161064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.161064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.161064][ T10] ipv6_find_idev+0x102/0x170 [ 3204.161064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.161064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.161064][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.161064][ T10] netlink_unicast+0x449/0x710 [ 3204.161064][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.161064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.161064][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.161064][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.161064][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.161064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.161064][ T10] [ 3214.406004][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3214.406501][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3214.406501][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.406501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.406501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.406501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.406501][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.406501][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.406501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.406501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.406501][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.406501][ T10] netlink_unicast+0x449/0x710 [ 3214.406501][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.406501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.406501][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.406501][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.406501][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.406501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.406501][ T10] [ 3214.408508][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3214.408508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.408508][ T10] ipv6_find_idev+0x102/0x170 [ 3214.408508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.408508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.408508][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.408508][ T10] netlink_unicast+0x449/0x710 [ 3214.408508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.408508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.408508][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.408508][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.408508][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.408508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.408508][ T10] [ 3214.410082][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3214.410082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.410082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.410082][ T10] ipv6_find_idev+0x102/0x170 [ 3214.410082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.410082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.410082][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.410082][ T10] netlink_unicast+0x449/0x710 [ 3214.410082][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.410082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.410082][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.410082][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.410082][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.410082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.410082][ T10] [ 3214.411797][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3214.412067][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3214.412067][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.412067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.412067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.412067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.412067][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.412067][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.412067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.412067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.412067][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.412067][ T10] netlink_unicast+0x449/0x710 [ 3214.412067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.412067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.412067][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.412067][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.412067][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.412067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.412067][ T10] [ 3214.413972][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3214.413972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.413972][ T10] ipv6_find_idev+0x102/0x170 [ 3214.413972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.413972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.413972][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.413972][ T10] netlink_unicast+0x449/0x710 [ 3214.413972][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.413972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.413972][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.413972][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.413972][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.413972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.413972][ T10] [ 3214.415450][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3214.415450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.415450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.415450][ T10] ipv6_find_idev+0x102/0x170 [ 3214.415450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.415450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.415450][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.415450][ T10] netlink_unicast+0x449/0x710 [ 3214.415450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.415450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.415450][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.415450][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.415450][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.415450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.415450][ T10] [ 3214.417141][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3214.417412][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3214.417412][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.417412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.417412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.417412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.417412][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.417412][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.417412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.417412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.417412][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.417412][ T10] netlink_unicast+0x449/0x710 [ 3214.417412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.417412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.417412][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.417412][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.417412][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.417412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.417412][ T10] [ 3214.419329][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3214.419329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.419329][ T10] ipv6_find_idev+0x102/0x170 [ 3214.419329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.419329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.419329][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.419329][ T10] netlink_unicast+0x449/0x710 [ 3214.419329][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.419329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.419329][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.419329][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.419329][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.419329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.419329][ T10] [ 3214.420814][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3214.420814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.420814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.420814][ T10] ipv6_find_idev+0x102/0x170 [ 3214.420814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.420814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.420814][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.420814][ T10] netlink_unicast+0x449/0x710 [ 3214.420814][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.420814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.420814][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.420814][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.420814][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.420814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.420814][ T10] [ 3214.422479][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3214.422744][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3214.422744][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.422744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.422744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.422744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.422744][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.422744][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.422744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.422744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.422744][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.422744][ T10] netlink_unicast+0x449/0x710 [ 3214.422744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.422744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.422744][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.422744][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.422744][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.422744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.422744][ T10] [ 3214.424812][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3214.424812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.424812][ T10] ipv6_find_idev+0x102/0x170 [ 3214.424812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.424812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.424812][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.424812][ T10] netlink_unicast+0x449/0x710 [ 3214.424812][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.424812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.424812][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.424812][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.424812][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.424812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.424812][ T10] [ 3214.426272][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3214.426272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.426272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.426272][ T10] ipv6_find_idev+0x102/0x170 [ 3214.426272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.426272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.426272][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.426272][ T10] netlink_unicast+0x449/0x710 [ 3214.426272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.426272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.426272][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.426272][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.426272][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.426272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.426272][ T10] [ 3214.428307][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3214.428558][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3214.428558][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.428558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.428558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.428558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.428558][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.428558][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.428558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.428558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.428558][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.428558][ T10] netlink_unicast+0x449/0x710 [ 3214.428558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.428558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.428558][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.428558][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.428558][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.428558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.428558][ T10] [ 3214.430437][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3214.430437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.430437][ T10] ipv6_find_idev+0x102/0x170 [ 3214.430437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.430437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.430437][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.430437][ T10] netlink_unicast+0x449/0x710 [ 3214.430437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.430437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.430437][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.430437][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.430437][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.430437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.430437][ T10] [ 3214.431955][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3214.431955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.431955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.431955][ T10] ipv6_find_idev+0x102/0x170 [ 3214.431955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.431955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.431955][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.431955][ T10] netlink_unicast+0x449/0x710 [ 3214.431955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.431955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.431955][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.431955][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.431955][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.431955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.431955][ T10] [ 3214.433713][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3214.434033][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3214.434033][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.434033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.434033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.434033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.434033][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.434033][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.434033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.434033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.434033][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.434033][ T10] netlink_unicast+0x449/0x710 [ 3214.434033][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.434033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.434033][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.434033][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.434033][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.434033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.434033][ T10] [ 3214.436206][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3214.436206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.436206][ T10] ipv6_find_idev+0x102/0x170 [ 3214.436206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.436206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.436206][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.436206][ T10] netlink_unicast+0x449/0x710 [ 3214.436206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.436206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.436206][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.436206][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.436206][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.436206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.436206][ T10] [ 3214.438522][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3214.438522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.438522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.438522][ T10] ipv6_find_idev+0x102/0x170 [ 3214.438522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.438522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.438522][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.438522][ T10] netlink_unicast+0x449/0x710 [ 3214.438522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.438522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.438522][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.438522][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.438522][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.438522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.438522][ T10] [ 3214.440954][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3214.441293][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3214.441293][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.441293][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.441293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.441293][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.441293][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.441293][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.441293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.441293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.441293][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.441293][ T10] netlink_unicast+0x449/0x710 [ 3214.441293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.441293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.441293][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.441293][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.441293][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.441293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.441293][ T10] [ 3214.443993][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3214.443993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.443993][ T10] ipv6_find_idev+0x102/0x170 [ 3214.443993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.443993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.443993][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.443993][ T10] netlink_unicast+0x449/0x710 [ 3214.443993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.443993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.443993][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.443993][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.443993][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.443993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.443993][ T10] [ 3214.446139][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3214.446139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.446139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.446139][ T10] ipv6_find_idev+0x102/0x170 [ 3214.446139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.446139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.446139][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.446139][ T10] netlink_unicast+0x449/0x710 [ 3214.446139][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.446139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.446139][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.446139][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.446139][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.446139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.446139][ T10] [ 3214.448468][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3214.448754][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3214.448754][ T10] netdev_get_by_index+0x5e/0x80 [ 3214.448754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3214.448754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3214.448754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3214.448754][ T10] ipv6_add_addr+0x411/0x2000 [ 3214.448754][ T10] inet6_addr_add+0x30e/0xa40 [ 3214.448754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3214.448754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.448754][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.448754][ T10] netlink_unicast+0x449/0x710 [ 3214.448754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.448754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.448754][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.448754][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.448754][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.448754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.448754][ T10] [ 3214.451717][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3214.451717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3214.451717][ T10] ipv6_find_idev+0x102/0x170 [ 3214.451717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.451717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.451717][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.451717][ T10] netlink_unicast+0x449/0x710 [ 3214.451717][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.451717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.451717][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.451717][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.451717][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.451717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.451717][ T10] [ 3214.453874][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3214.453874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3214.453874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3214.453874][ T10] ipv6_find_idev+0x102/0x170 [ 3214.453874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3214.453874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3214.453874][ T10] netlink_rcv_skb+0x130/0x360 [ 3214.453874][ T10] netlink_unicast+0x449/0x710 [ 3214.453874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3214.453874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3214.453874][ T10] ___sys_sendmsg+0xee/0x170 [ 3214.453874][ T10] __sys_sendmsg+0xcd/0x170 [ 3214.453874][ T10] do_syscall_64+0xc6/0x1e0 [ 3214.453874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3214.453874][ T10] [ 3224.693996][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3224.694543][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3224.694543][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.694543][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.694543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.694543][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.694543][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.694543][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.694543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.694543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.694543][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.694543][ T10] netlink_unicast+0x449/0x710 [ 3224.694543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.694543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.694543][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.694543][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.694543][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.694543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.694543][ T10] [ 3224.696572][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3224.696572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.696572][ T10] ipv6_find_idev+0x102/0x170 [ 3224.696572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.696572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.696572][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.696572][ T10] netlink_unicast+0x449/0x710 [ 3224.696572][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.696572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.696572][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.696572][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.696572][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.696572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.696572][ T10] [ 3224.698136][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3224.698136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.698136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.698136][ T10] ipv6_find_idev+0x102/0x170 [ 3224.698136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.698136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.698136][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.698136][ T10] netlink_unicast+0x449/0x710 [ 3224.698136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.698136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.698136][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.698136][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.698136][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.698136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.698136][ T10] [ 3224.699840][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3224.700123][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3224.700123][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.700123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.700123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.700123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.700123][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.700123][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.700123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.700123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.700123][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.700123][ T10] netlink_unicast+0x449/0x710 [ 3224.700123][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.700123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.700123][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.700123][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.700123][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.700123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.700123][ T10] [ 3224.702030][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3224.702030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.702030][ T10] ipv6_find_idev+0x102/0x170 [ 3224.702030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.702030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.702030][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.702030][ T10] netlink_unicast+0x449/0x710 [ 3224.702030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.702030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.702030][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.702030][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.702030][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.702030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.702030][ T10] [ 3224.703511][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3224.703511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.703511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.703511][ T10] ipv6_find_idev+0x102/0x170 [ 3224.703511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.703511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.703511][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.703511][ T10] netlink_unicast+0x449/0x710 [ 3224.703511][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.703511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.703511][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.703511][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.703511][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.703511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.703511][ T10] [ 3224.705208][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3224.705508][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3224.705508][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.705508][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.705508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.705508][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.705508][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.705508][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.705508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.705508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.705508][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.705508][ T10] netlink_unicast+0x449/0x710 [ 3224.705508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.705508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.705508][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.705508][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.705508][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.705508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.705508][ T10] [ 3224.707538][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3224.707538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.707538][ T10] ipv6_find_idev+0x102/0x170 [ 3224.707538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.707538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.707538][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.707538][ T10] netlink_unicast+0x449/0x710 [ 3224.707538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.707538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.707538][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.707538][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.707538][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.707538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.707538][ T10] [ 3224.709123][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3224.709123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.709123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.709123][ T10] ipv6_find_idev+0x102/0x170 [ 3224.709123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.709123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.709123][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.709123][ T10] netlink_unicast+0x449/0x710 [ 3224.709123][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.709123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.709123][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.709123][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.709123][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.709123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.709123][ T10] [ 3224.711230][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3224.711573][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3224.711573][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.711573][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.711573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.711573][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.711573][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.711573][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.711573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.711573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.711573][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.711573][ T10] netlink_unicast+0x449/0x710 [ 3224.711573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.711573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.711573][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.711573][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.711573][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.711573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.711573][ T10] [ 3224.714109][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3224.714109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.714109][ T10] ipv6_find_idev+0x102/0x170 [ 3224.714109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.714109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.714109][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.714109][ T10] netlink_unicast+0x449/0x710 [ 3224.714109][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.714109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.714109][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.714109][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.714109][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.714109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.714109][ T10] [ 3224.716096][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3224.716096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.716096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.716096][ T10] ipv6_find_idev+0x102/0x170 [ 3224.716096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.716096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.716096][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.716096][ T10] netlink_unicast+0x449/0x710 [ 3224.716096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.716096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.716096][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.716096][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.716096][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.716096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.716096][ T10] [ 3224.718513][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3224.719217][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3224.719217][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.719217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.719217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.719217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.719217][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.719217][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.719217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.719217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.719217][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.719217][ T10] netlink_unicast+0x449/0x710 [ 3224.719217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.719217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.719217][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.719217][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.719217][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.719217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.719217][ T10] [ 3224.721858][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3224.721858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.721858][ T10] ipv6_find_idev+0x102/0x170 [ 3224.721858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.721858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.721858][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.721858][ T10] netlink_unicast+0x449/0x710 [ 3224.721858][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.721858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.721858][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.721858][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.721858][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.721858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.721858][ T10] [ 3224.723694][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3224.723694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.723694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.723694][ T10] ipv6_find_idev+0x102/0x170 [ 3224.723694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.723694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.723694][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.723694][ T10] netlink_unicast+0x449/0x710 [ 3224.723694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.723694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.723694][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.723694][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.723694][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.723694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.723694][ T10] [ 3224.725851][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3224.726215][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3224.726215][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.726215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.726215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.726215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.726215][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.726215][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.726215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.726215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.726215][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.726215][ T10] netlink_unicast+0x449/0x710 [ 3224.726215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.726215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.726215][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.726215][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.726215][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.726215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.726215][ T10] [ 3224.728743][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3224.728743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.728743][ T10] ipv6_find_idev+0x102/0x170 [ 3224.728743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.728743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.728743][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.728743][ T10] netlink_unicast+0x449/0x710 [ 3224.728743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.728743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.728743][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.728743][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.728743][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.728743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.728743][ T10] [ 3224.730890][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3224.730890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.730890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.730890][ T10] ipv6_find_idev+0x102/0x170 [ 3224.730890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.730890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.730890][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.730890][ T10] netlink_unicast+0x449/0x710 [ 3224.730890][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.730890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.730890][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.730890][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.730890][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.730890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.730890][ T10] [ 3224.733221][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3224.733550][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3224.733550][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.733550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.733550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.733550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.733550][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.733550][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.733550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.733550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.733550][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.733550][ T10] netlink_unicast+0x449/0x710 [ 3224.733550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.733550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.733550][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.733550][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.733550][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.733550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.733550][ T10] [ 3224.736437][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3224.736437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.736437][ T10] ipv6_find_idev+0x102/0x170 [ 3224.736437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.736437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.736437][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.736437][ T10] netlink_unicast+0x449/0x710 [ 3224.736437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.736437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.736437][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.736437][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.736437][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.736437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.736437][ T10] [ 3224.738584][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3224.738584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.738584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.738584][ T10] ipv6_find_idev+0x102/0x170 [ 3224.738584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.738584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.738584][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.738584][ T10] netlink_unicast+0x449/0x710 [ 3224.738584][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.738584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.738584][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.738584][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.738584][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.738584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.738584][ T10] [ 3224.741101][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3224.741489][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3224.741489][ T10] netdev_get_by_index+0x5e/0x80 [ 3224.741489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3224.741489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3224.741489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3224.741489][ T10] ipv6_add_addr+0x411/0x2000 [ 3224.741489][ T10] inet6_addr_add+0x30e/0xa40 [ 3224.741489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3224.741489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.741489][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.741489][ T10] netlink_unicast+0x449/0x710 [ 3224.741489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.741489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.741489][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.741489][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.741489][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.741489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.741489][ T10] [ 3224.744113][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3224.744113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3224.744113][ T10] ipv6_find_idev+0x102/0x170 [ 3224.744113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.744113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.744113][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.744113][ T10] netlink_unicast+0x449/0x710 [ 3224.744113][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.744113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.744113][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.744113][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.744113][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.744113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.744113][ T10] [ 3224.746335][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3224.746335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3224.746335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3224.746335][ T10] ipv6_find_idev+0x102/0x170 [ 3224.746335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3224.746335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3224.746335][ T10] netlink_rcv_skb+0x130/0x360 [ 3224.746335][ T10] netlink_unicast+0x449/0x710 [ 3224.746335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3224.746335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3224.746335][ T10] ___sys_sendmsg+0xee/0x170 [ 3224.746335][ T10] __sys_sendmsg+0xcd/0x170 [ 3224.746335][ T10] do_syscall_64+0xc6/0x1e0 [ 3224.746335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3224.746335][ T10] [ 3234.989992][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3234.990707][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3234.990707][ T10] netdev_get_by_index+0x5e/0x80 [ 3234.990707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3234.990707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3234.990707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3234.990707][ T10] ipv6_add_addr+0x411/0x2000 [ 3234.990707][ T10] inet6_addr_add+0x30e/0xa40 [ 3234.990707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3234.990707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3234.990707][ T10] netlink_rcv_skb+0x130/0x360 [ 3234.990707][ T10] netlink_unicast+0x449/0x710 [ 3234.990707][ T10] netlink_sendmsg+0x723/0xbe0 [ 3234.990707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3234.990707][ T10] ___sys_sendmsg+0xee/0x170 [ 3234.990707][ T10] __sys_sendmsg+0xcd/0x170 [ 3234.990707][ T10] do_syscall_64+0xc6/0x1e0 [ 3234.990707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3234.990707][ T10] [ 3234.992626][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3234.992626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3234.992626][ T10] ipv6_find_idev+0x102/0x170 [ 3234.992626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3234.992626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3234.992626][ T10] netlink_rcv_skb+0x130/0x360 [ 3234.992626][ T10] netlink_unicast+0x449/0x710 [ 3234.992626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3234.992626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3234.992626][ T10] ___sys_sendmsg+0xee/0x170 [ 3234.992626][ T10] __sys_sendmsg+0xcd/0x170 [ 3234.992626][ T10] do_syscall_64+0xc6/0x1e0 [ 3234.992626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3234.992626][ T10] [ 3234.994085][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3234.994085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3234.994085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3234.994085][ T10] ipv6_find_idev+0x102/0x170 [ 3234.994085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3234.994085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3234.994085][ T10] netlink_rcv_skb+0x130/0x360 [ 3234.994085][ T10] netlink_unicast+0x449/0x710 [ 3234.994085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3234.994085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3234.994085][ T10] ___sys_sendmsg+0xee/0x170 [ 3234.994085][ T10] __sys_sendmsg+0xcd/0x170 [ 3234.994085][ T10] do_syscall_64+0xc6/0x1e0 [ 3234.994085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3234.994085][ T10] [ 3234.996074][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3234.996337][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3234.996337][ T10] netdev_get_by_index+0x5e/0x80 [ 3234.996337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3234.996337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3234.996337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3234.996337][ T10] ipv6_add_addr+0x411/0x2000 [ 3234.996337][ T10] inet6_addr_add+0x30e/0xa40 [ 3234.996337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3234.996337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3234.996337][ T10] netlink_rcv_skb+0x130/0x360 [ 3234.996337][ T10] netlink_unicast+0x449/0x710 [ 3234.996337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3234.996337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3234.996337][ T10] ___sys_sendmsg+0xee/0x170 [ 3234.996337][ T10] __sys_sendmsg+0xcd/0x170 [ 3234.996337][ T10] do_syscall_64+0xc6/0x1e0 [ 3234.996337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3234.996337][ T10] [ 3234.998390][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3234.998390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3234.998390][ T10] ipv6_find_idev+0x102/0x170 [ 3234.998390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3234.998390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3234.998390][ T10] netlink_rcv_skb+0x130/0x360 [ 3234.998390][ T10] netlink_unicast+0x449/0x710 [ 3234.998390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3234.998390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3234.998390][ T10] ___sys_sendmsg+0xee/0x170 [ 3234.998390][ T10] __sys_sendmsg+0xcd/0x170 [ 3234.998390][ T10] do_syscall_64+0xc6/0x1e0 [ 3234.998390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3234.998390][ T10] [ 3234.999881][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3234.999881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3234.999881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3234.999881][ T10] ipv6_find_idev+0x102/0x170 [ 3234.999881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3234.999881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3234.999881][ T10] netlink_rcv_skb+0x130/0x360 [ 3234.999881][ T10] netlink_unicast+0x449/0x710 [ 3234.999881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3234.999881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3234.999881][ T10] ___sys_sendmsg+0xee/0x170 [ 3234.999881][ T10] __sys_sendmsg+0xcd/0x170 [ 3234.999881][ T10] do_syscall_64+0xc6/0x1e0 [ 3234.999881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3234.999881][ T10] [ 3235.001557][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3235.001833][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3235.001833][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.001833][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.001833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.001833][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.001833][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.001833][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.001833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.001833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.001833][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.001833][ T10] netlink_unicast+0x449/0x710 [ 3235.001833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.001833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.001833][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.001833][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.001833][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.001833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.001833][ T10] [ 3235.003742][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3235.003742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.003742][ T10] ipv6_find_idev+0x102/0x170 [ 3235.003742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.003742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.003742][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.003742][ T10] netlink_unicast+0x449/0x710 [ 3235.003742][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.003742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.003742][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.003742][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.003742][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.003742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.003742][ T10] [ 3235.005188][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3235.005188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.005188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.005188][ T10] ipv6_find_idev+0x102/0x170 [ 3235.005188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.005188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.005188][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.005188][ T10] netlink_unicast+0x449/0x710 [ 3235.005188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.005188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.005188][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.005188][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.005188][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.005188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.005188][ T10] [ 3235.006970][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3235.007246][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3235.007246][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.007246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.007246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.007246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.007246][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.007246][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.007246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.007246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.007246][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.007246][ T10] netlink_unicast+0x449/0x710 [ 3235.007246][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.007246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.007246][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.007246][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.007246][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.007246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.007246][ T10] [ 3235.009293][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3235.009293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.009293][ T10] ipv6_find_idev+0x102/0x170 [ 3235.009293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.009293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.009293][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.009293][ T10] netlink_unicast+0x449/0x710 [ 3235.009293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.009293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.009293][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.009293][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.009293][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.009293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.009293][ T10] [ 3235.010820][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3235.010820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.010820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.010820][ T10] ipv6_find_idev+0x102/0x170 [ 3235.010820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.010820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.010820][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.010820][ T10] netlink_unicast+0x449/0x710 [ 3235.010820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.010820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.010820][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.010820][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.010820][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.010820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.010820][ T10] [ 3235.012932][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3235.013195][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3235.013195][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.013195][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.013195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.013195][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.013195][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.013195][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.013195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.013195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.013195][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.013195][ T10] netlink_unicast+0x449/0x710 [ 3235.013195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.013195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.013195][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.013195][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.013195][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.013195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.013195][ T10] [ 3235.015187][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3235.015187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.015187][ T10] ipv6_find_idev+0x102/0x170 [ 3235.015187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.015187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.015187][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.015187][ T10] netlink_unicast+0x449/0x710 [ 3235.015187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.015187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.015187][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.015187][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.015187][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.015187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.015187][ T10] [ 3235.016767][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3235.016767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.016767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.016767][ T10] ipv6_find_idev+0x102/0x170 [ 3235.016767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.016767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.016767][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.016767][ T10] netlink_unicast+0x449/0x710 [ 3235.016767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.016767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.016767][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.016767][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.016767][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.016767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.016767][ T10] [ 3235.018506][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3235.018791][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3235.018791][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.018791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.018791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.018791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.018791][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.018791][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.018791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.018791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.018791][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.018791][ T10] netlink_unicast+0x449/0x710 [ 3235.018791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.018791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.018791][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.018791][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.018791][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.018791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.018791][ T10] [ 3235.021022][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3235.021022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.021022][ T10] ipv6_find_idev+0x102/0x170 [ 3235.021022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.021022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.021022][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.021022][ T10] netlink_unicast+0x449/0x710 [ 3235.021022][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.021022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.021022][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.021022][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.021022][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.021022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.021022][ T10] [ 3235.022793][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3235.022793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.022793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.022793][ T10] ipv6_find_idev+0x102/0x170 [ 3235.022793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.022793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.022793][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.022793][ T10] netlink_unicast+0x449/0x710 [ 3235.022793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.022793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.022793][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.022793][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.022793][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.022793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.022793][ T10] [ 3235.024661][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3235.025006][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3235.025006][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.025006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.025006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.025006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.025006][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.025006][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.025006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.025006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.025006][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.025006][ T10] netlink_unicast+0x449/0x710 [ 3235.025006][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.025006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.025006][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.025006][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.025006][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.025006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.025006][ T10] [ 3235.027188][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3235.027188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.027188][ T10] ipv6_find_idev+0x102/0x170 [ 3235.027188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.027188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.027188][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.027188][ T10] netlink_unicast+0x449/0x710 [ 3235.027188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.027188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.027188][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.027188][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.027188][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.027188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.027188][ T10] [ 3235.028911][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3235.028911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.028911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.028911][ T10] ipv6_find_idev+0x102/0x170 [ 3235.028911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.028911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.028911][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.028911][ T10] netlink_unicast+0x449/0x710 [ 3235.028911][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.028911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.028911][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.028911][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.028911][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.028911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.028911][ T10] [ 3235.030798][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3235.031120][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3235.031120][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.031120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.031120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.031120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.031120][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.031120][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.031120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.031120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.031120][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.031120][ T10] netlink_unicast+0x449/0x710 [ 3235.031120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.031120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.031120][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.031120][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.031120][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.031120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.031120][ T10] [ 3235.034119][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3235.034119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.034119][ T10] ipv6_find_idev+0x102/0x170 [ 3235.034119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.034119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.034119][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.034119][ T10] netlink_unicast+0x449/0x710 [ 3235.034119][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.034119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.034119][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.034119][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.034119][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.034119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.034119][ T10] [ 3235.036198][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3235.036198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.036198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.036198][ T10] ipv6_find_idev+0x102/0x170 [ 3235.036198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.036198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.036198][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.036198][ T10] netlink_unicast+0x449/0x710 [ 3235.036198][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.036198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.036198][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.036198][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.036198][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.036198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.036198][ T10] [ 3245.277911][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3245.278389][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3245.278389][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.278389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.278389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.278389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.278389][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.278389][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.278389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.278389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.278389][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.278389][ T10] netlink_unicast+0x449/0x710 [ 3245.278389][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.278389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.278389][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.278389][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.278389][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.278389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.278389][ T10] [ 3245.280384][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3245.280384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.280384][ T10] ipv6_find_idev+0x102/0x170 [ 3245.280384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.280384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.280384][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.280384][ T10] netlink_unicast+0x449/0x710 [ 3245.280384][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.280384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.280384][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.280384][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.280384][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.280384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.280384][ T10] [ 3245.281846][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3245.281846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.281846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.281846][ T10] ipv6_find_idev+0x102/0x170 [ 3245.281846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.281846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.281846][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.281846][ T10] netlink_unicast+0x449/0x710 [ 3245.281846][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.281846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.281846][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.281846][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.281846][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.281846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.281846][ T10] [ 3245.283498][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3245.283786][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3245.283786][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.283786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.283786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.283786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.283786][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.283786][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.283786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.283786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.283786][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.283786][ T10] netlink_unicast+0x449/0x710 [ 3245.283786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.283786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.283786][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.283786][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.283786][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.283786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.283786][ T10] [ 3245.285771][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3245.285771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.285771][ T10] ipv6_find_idev+0x102/0x170 [ 3245.285771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.285771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.285771][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.285771][ T10] netlink_unicast+0x449/0x710 [ 3245.285771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.285771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.285771][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.285771][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.285771][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.285771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.285771][ T10] [ 3245.287315][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3245.287315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.287315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.287315][ T10] ipv6_find_idev+0x102/0x170 [ 3245.287315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.287315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.287315][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.287315][ T10] netlink_unicast+0x449/0x710 [ 3245.287315][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.287315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.287315][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.287315][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.287315][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.287315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.287315][ T10] [ 3245.289030][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3245.289304][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3245.289304][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.289304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.289304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.289304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.289304][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.289304][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.289304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.289304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.289304][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.289304][ T10] netlink_unicast+0x449/0x710 [ 3245.289304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.289304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.289304][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.289304][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.289304][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.289304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.289304][ T10] [ 3245.291308][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3245.291308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.291308][ T10] ipv6_find_idev+0x102/0x170 [ 3245.291308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.291308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.291308][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.291308][ T10] netlink_unicast+0x449/0x710 [ 3245.291308][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.291308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.291308][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.291308][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.291308][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.291308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.291308][ T10] [ 3245.292859][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3245.292859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.292859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.292859][ T10] ipv6_find_idev+0x102/0x170 [ 3245.292859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.292859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.292859][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.292859][ T10] netlink_unicast+0x449/0x710 [ 3245.292859][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.292859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.292859][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.292859][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.292859][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.292859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.292859][ T10] [ 3245.294554][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3245.295260][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3245.295260][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.295260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.295260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.295260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.295260][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.295260][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.295260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.295260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.295260][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.295260][ T10] netlink_unicast+0x449/0x710 [ 3245.295260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.295260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.295260][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.295260][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.295260][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.295260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.295260][ T10] [ 3245.297251][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3245.297251][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.297251][ T10] ipv6_find_idev+0x102/0x170 [ 3245.297251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.297251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.297251][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.297251][ T10] netlink_unicast+0x449/0x710 [ 3245.297251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.297251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.297251][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.297251][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.297251][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.297251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.297251][ T10] [ 3245.298788][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3245.298788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.298788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.298788][ T10] ipv6_find_idev+0x102/0x170 [ 3245.298788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.298788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.298788][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.298788][ T10] netlink_unicast+0x449/0x710 [ 3245.298788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.298788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.298788][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.298788][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.298788][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.298788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.298788][ T10] [ 3245.300558][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3245.300890][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3245.300890][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.300890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.300890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.300890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.300890][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.300890][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.300890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.300890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.300890][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.300890][ T10] netlink_unicast+0x449/0x710 [ 3245.300890][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.300890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.300890][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.300890][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.300890][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.300890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.300890][ T10] [ 3245.302909][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3245.302909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.302909][ T10] ipv6_find_idev+0x102/0x170 [ 3245.302909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.302909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.302909][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.302909][ T10] netlink_unicast+0x449/0x710 [ 3245.302909][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.302909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.302909][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.302909][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.302909][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.302909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.302909][ T10] [ 3245.304515][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3245.304515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.304515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.304515][ T10] ipv6_find_idev+0x102/0x170 [ 3245.304515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.304515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.304515][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.304515][ T10] netlink_unicast+0x449/0x710 [ 3245.304515][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.304515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.304515][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.304515][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.304515][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.304515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.304515][ T10] [ 3245.306246][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3245.306509][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3245.306509][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.306509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.306509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.306509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.306509][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.306509][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.306509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.306509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.306509][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.306509][ T10] netlink_unicast+0x449/0x710 [ 3245.306509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.306509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.306509][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.306509][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.306509][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.306509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.306509][ T10] [ 3245.308599][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3245.308599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.308599][ T10] ipv6_find_idev+0x102/0x170 [ 3245.308599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.308599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.308599][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.308599][ T10] netlink_unicast+0x449/0x710 [ 3245.308599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.308599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.308599][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.308599][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.308599][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.308599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.308599][ T10] [ 3245.310377][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3245.310377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.310377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.310377][ T10] ipv6_find_idev+0x102/0x170 [ 3245.310377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.310377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.310377][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.310377][ T10] netlink_unicast+0x449/0x710 [ 3245.310377][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.310377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.310377][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.310377][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.310377][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.310377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.310377][ T10] [ 3245.312297][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3245.312570][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3245.312570][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.312570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.312570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.312570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.312570][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.312570][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.312570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.312570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.312570][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.312570][ T10] netlink_unicast+0x449/0x710 [ 3245.312570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.312570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.312570][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.312570][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.312570][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.312570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.312570][ T10] [ 3245.314773][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3245.314773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.314773][ T10] ipv6_find_idev+0x102/0x170 [ 3245.314773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.314773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.314773][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.314773][ T10] netlink_unicast+0x449/0x710 [ 3245.314773][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.314773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.314773][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.314773][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.314773][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.314773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.314773][ T10] [ 3245.316497][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3245.316497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.316497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.316497][ T10] ipv6_find_idev+0x102/0x170 [ 3245.316497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.316497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.316497][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.316497][ T10] netlink_unicast+0x449/0x710 [ 3245.316497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.316497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.316497][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.316497][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.316497][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.316497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.316497][ T10] [ 3245.318427][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3245.318696][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3245.318696][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.318696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.318696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.318696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.318696][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.318696][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.318696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.318696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.318696][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.318696][ T10] netlink_unicast+0x449/0x710 [ 3245.318696][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.318696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.318696][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.318696][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.318696][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.318696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.318696][ T10] [ 3245.320961][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3245.320961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.320961][ T10] ipv6_find_idev+0x102/0x170 [ 3245.320961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.320961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.320961][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.320961][ T10] netlink_unicast+0x449/0x710 [ 3245.320961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.320961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.320961][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.320961][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.320961][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.320961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.320961][ T10] [ 3245.322656][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3245.322656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.322656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.322656][ T10] ipv6_find_idev+0x102/0x170 [ 3245.322656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.322656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.322656][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.322656][ T10] netlink_unicast+0x449/0x710 [ 3245.322656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.322656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.322656][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.322656][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.322656][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.322656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.322656][ T10] [ 3255.565985][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3255.566631][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3255.566631][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.566631][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.566631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.566631][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.566631][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.566631][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.566631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.566631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.566631][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.566631][ T10] netlink_unicast+0x449/0x710 [ 3255.566631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.566631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.566631][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.566631][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.566631][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.566631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.566631][ T10] [ 3255.568694][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3255.568694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.568694][ T10] ipv6_find_idev+0x102/0x170 [ 3255.568694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.568694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.568694][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.568694][ T10] netlink_unicast+0x449/0x710 [ 3255.568694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.568694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.568694][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.568694][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.568694][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.568694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.568694][ T10] [ 3255.570225][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3255.570225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.570225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.570225][ T10] ipv6_find_idev+0x102/0x170 [ 3255.570225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.570225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.570225][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.570225][ T10] netlink_unicast+0x449/0x710 [ 3255.570225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.570225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.570225][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.570225][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.570225][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.570225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.570225][ T10] [ 3255.571933][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3255.572202][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3255.572202][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.572202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.572202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.572202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.572202][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.572202][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.572202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.572202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.572202][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.572202][ T10] netlink_unicast+0x449/0x710 [ 3255.572202][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.572202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.572202][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.572202][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.572202][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.572202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.572202][ T10] [ 3255.574189][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3255.574189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.574189][ T10] ipv6_find_idev+0x102/0x170 [ 3255.574189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.574189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.574189][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.574189][ T10] netlink_unicast+0x449/0x710 [ 3255.574189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.574189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.574189][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.574189][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.574189][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.574189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.574189][ T10] [ 3255.575750][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3255.575750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.575750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.575750][ T10] ipv6_find_idev+0x102/0x170 [ 3255.575750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.575750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.575750][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.575750][ T10] netlink_unicast+0x449/0x710 [ 3255.575750][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.575750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.575750][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.575750][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.575750][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.575750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.575750][ T10] [ 3255.577463][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3255.577727][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3255.577727][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.577727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.577727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.577727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.577727][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.577727][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.577727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.577727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.577727][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.577727][ T10] netlink_unicast+0x449/0x710 [ 3255.577727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.577727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.577727][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.577727][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.577727][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.577727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.577727][ T10] [ 3255.579770][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3255.579770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.579770][ T10] ipv6_find_idev+0x102/0x170 [ 3255.579770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.579770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.579770][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.579770][ T10] netlink_unicast+0x449/0x710 [ 3255.579770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.579770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.579770][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.579770][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.579770][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.579770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.579770][ T10] [ 3255.581205][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3255.581205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.581205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.581205][ T10] ipv6_find_idev+0x102/0x170 [ 3255.581205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.581205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.581205][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.581205][ T10] netlink_unicast+0x449/0x710 [ 3255.581205][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.581205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.581205][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.581205][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.581205][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.581205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.581205][ T10] [ 3255.582818][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3255.583075][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3255.583075][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.583075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.583075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.583075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.583075][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.583075][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.583075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.583075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.583075][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.583075][ T10] netlink_unicast+0x449/0x710 [ 3255.583075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.583075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.583075][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.583075][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.583075][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.583075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.583075][ T10] [ 3255.585098][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3255.585098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.585098][ T10] ipv6_find_idev+0x102/0x170 [ 3255.585098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.585098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.585098][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.585098][ T10] netlink_unicast+0x449/0x710 [ 3255.585098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.585098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.585098][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.585098][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.585098][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.585098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.585098][ T10] [ 3255.586642][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3255.586642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.586642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.586642][ T10] ipv6_find_idev+0x102/0x170 [ 3255.586642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.586642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.586642][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.586642][ T10] netlink_unicast+0x449/0x710 [ 3255.586642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.586642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.586642][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.586642][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.586642][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.586642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.586642][ T10] [ 3255.588631][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3255.589252][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3255.589252][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.589252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.589252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.589252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.589252][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.589252][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.589252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.589252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.589252][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.589252][ T10] netlink_unicast+0x449/0x710 [ 3255.589252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.589252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.589252][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.589252][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.589252][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.589252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.589252][ T10] [ 3255.591235][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3255.591235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.591235][ T10] ipv6_find_idev+0x102/0x170 [ 3255.591235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.591235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.591235][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.591235][ T10] netlink_unicast+0x449/0x710 [ 3255.591235][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.591235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.591235][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.591235][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.591235][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.591235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.591235][ T10] [ 3255.592771][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3255.592771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.592771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.592771][ T10] ipv6_find_idev+0x102/0x170 [ 3255.592771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.592771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.592771][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.592771][ T10] netlink_unicast+0x449/0x710 [ 3255.592771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.592771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.592771][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.592771][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.592771][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.592771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.592771][ T10] [ 3255.594438][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3255.594720][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3255.594720][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.594720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.594720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.594720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.594720][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.594720][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.594720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.594720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.594720][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.594720][ T10] netlink_unicast+0x449/0x710 [ 3255.594720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.594720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.594720][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.594720][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.594720][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.594720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.594720][ T10] [ 3255.596722][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3255.596722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.596722][ T10] ipv6_find_idev+0x102/0x170 [ 3255.596722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.596722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.596722][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.596722][ T10] netlink_unicast+0x449/0x710 [ 3255.596722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.596722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.596722][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.596722][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.596722][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.596722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.596722][ T10] [ 3255.598339][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3255.598339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.598339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.598339][ T10] ipv6_find_idev+0x102/0x170 [ 3255.598339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.598339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.598339][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.598339][ T10] netlink_unicast+0x449/0x710 [ 3255.598339][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.598339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.598339][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.598339][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.598339][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.598339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.598339][ T10] [ 3255.600194][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3255.600477][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3255.600477][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.600477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.600477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.600477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.600477][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.600477][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.600477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.600477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.600477][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.600477][ T10] netlink_unicast+0x449/0x710 [ 3255.600477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.600477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.600477][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.600477][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.600477][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.600477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.600477][ T10] [ 3255.602727][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3255.602727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.602727][ T10] ipv6_find_idev+0x102/0x170 [ 3255.602727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.602727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.602727][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.602727][ T10] netlink_unicast+0x449/0x710 [ 3255.602727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.602727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.602727][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.602727][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.602727][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.602727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.602727][ T10] [ 3255.604408][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3255.604408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.604408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.604408][ T10] ipv6_find_idev+0x102/0x170 [ 3255.604408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.604408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.604408][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.604408][ T10] netlink_unicast+0x449/0x710 [ 3255.604408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.604408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.604408][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.604408][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.604408][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.604408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.604408][ T10] [ 3255.606354][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3255.606669][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3255.606669][ T10] netdev_get_by_index+0x5e/0x80 [ 3255.606669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3255.606669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3255.606669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3255.606669][ T10] ipv6_add_addr+0x411/0x2000 [ 3255.606669][ T10] inet6_addr_add+0x30e/0xa40 [ 3255.606669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3255.606669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.606669][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.606669][ T10] netlink_unicast+0x449/0x710 [ 3255.606669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.606669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.606669][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.606669][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.606669][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.606669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.606669][ T10] [ 3255.608848][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3255.608848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3255.608848][ T10] ipv6_find_idev+0x102/0x170 [ 3255.608848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.608848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.608848][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.608848][ T10] netlink_unicast+0x449/0x710 [ 3255.608848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.608848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.608848][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.608848][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.608848][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.608848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.608848][ T10] [ 3255.610508][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3255.610508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3255.610508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3255.610508][ T10] ipv6_find_idev+0x102/0x170 [ 3255.610508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3255.610508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3255.610508][ T10] netlink_rcv_skb+0x130/0x360 [ 3255.610508][ T10] netlink_unicast+0x449/0x710 [ 3255.610508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3255.610508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3255.610508][ T10] ___sys_sendmsg+0xee/0x170 [ 3255.610508][ T10] __sys_sendmsg+0xcd/0x170 [ 3255.610508][ T10] do_syscall_64+0xc6/0x1e0 [ 3255.610508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3255.610508][ T10] [ 3265.853978][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3265.854525][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3265.854525][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.854525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.854525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.854525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.854525][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.854525][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.854525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.854525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.854525][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.854525][ T10] netlink_unicast+0x449/0x710 [ 3265.854525][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.854525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.854525][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.854525][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.854525][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.854525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.854525][ T10] [ 3265.856435][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3265.856435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.856435][ T10] ipv6_find_idev+0x102/0x170 [ 3265.856435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.856435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.856435][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.856435][ T10] netlink_unicast+0x449/0x710 [ 3265.856435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.856435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.856435][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.856435][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.856435][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.856435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.856435][ T10] [ 3265.857943][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3265.857943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.857943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.857943][ T10] ipv6_find_idev+0x102/0x170 [ 3265.857943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.857943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.857943][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.857943][ T10] netlink_unicast+0x449/0x710 [ 3265.857943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.857943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.857943][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.857943][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.857943][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.857943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.857943][ T10] [ 3265.859656][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3265.859931][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3265.859931][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.859931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.859931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.859931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.859931][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.859931][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.859931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.859931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.859931][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.859931][ T10] netlink_unicast+0x449/0x710 [ 3265.859931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.859931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.859931][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.859931][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.859931][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.859931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.859931][ T10] [ 3265.861896][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3265.861896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.861896][ T10] ipv6_find_idev+0x102/0x170 [ 3265.861896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.861896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.861896][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.861896][ T10] netlink_unicast+0x449/0x710 [ 3265.861896][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.861896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.861896][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.861896][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.861896][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.861896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.861896][ T10] [ 3265.863456][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3265.863456][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.863456][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.863456][ T10] ipv6_find_idev+0x102/0x170 [ 3265.863456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.863456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.863456][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.863456][ T10] netlink_unicast+0x449/0x710 [ 3265.863456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.863456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.863456][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.863456][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.863456][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.863456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.863456][ T10] [ 3265.865108][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3265.865395][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3265.865395][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.865395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.865395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.865395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.865395][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.865395][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.865395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.865395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.865395][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.865395][ T10] netlink_unicast+0x449/0x710 [ 3265.865395][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.865395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.865395][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.865395][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.865395][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.865395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.865395][ T10] [ 3265.867427][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3265.867427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.867427][ T10] ipv6_find_idev+0x102/0x170 [ 3265.867427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.867427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.867427][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.867427][ T10] netlink_unicast+0x449/0x710 [ 3265.867427][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.867427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.867427][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.867427][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.867427][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.867427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.867427][ T10] [ 3265.868947][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3265.868947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.868947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.868947][ T10] ipv6_find_idev+0x102/0x170 [ 3265.868947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.868947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.868947][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.868947][ T10] netlink_unicast+0x449/0x710 [ 3265.868947][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.868947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.868947][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.868947][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.868947][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.868947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.868947][ T10] [ 3265.871019][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3265.871284][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3265.871284][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.871284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.871284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.871284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.871284][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.871284][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.871284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.871284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.871284][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.871284][ T10] netlink_unicast+0x449/0x710 [ 3265.871284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.871284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.871284][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.871284][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.871284][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.871284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.871284][ T10] [ 3265.873292][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3265.873292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.873292][ T10] ipv6_find_idev+0x102/0x170 [ 3265.873292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.873292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.873292][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.873292][ T10] netlink_unicast+0x449/0x710 [ 3265.873292][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.873292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.873292][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.873292][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.873292][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.873292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.873292][ T10] [ 3265.874866][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3265.874866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.874866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.874866][ T10] ipv6_find_idev+0x102/0x170 [ 3265.874866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.874866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.874866][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.874866][ T10] netlink_unicast+0x449/0x710 [ 3265.874866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.874866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.874866][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.874866][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.874866][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.874866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.874866][ T10] [ 3265.876606][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3265.876928][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3265.876928][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.876928][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.876928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.876928][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.876928][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.876928][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.876928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.876928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.876928][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.876928][ T10] netlink_unicast+0x449/0x710 [ 3265.876928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.876928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.876928][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.876928][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.876928][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.876928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.876928][ T10] [ 3265.878943][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3265.878943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.878943][ T10] ipv6_find_idev+0x102/0x170 [ 3265.878943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.878943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.878943][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.878943][ T10] netlink_unicast+0x449/0x710 [ 3265.878943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.878943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.878943][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.878943][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.878943][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.878943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.878943][ T10] [ 3265.880459][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3265.880459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.880459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.880459][ T10] ipv6_find_idev+0x102/0x170 [ 3265.880459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.880459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.880459][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.880459][ T10] netlink_unicast+0x449/0x710 [ 3265.880459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.880459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.880459][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.880459][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.880459][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.880459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.880459][ T10] [ 3265.882141][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3265.882405][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3265.882405][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.882405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.882405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.882405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.882405][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.882405][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.882405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.882405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.882405][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.882405][ T10] netlink_unicast+0x449/0x710 [ 3265.882405][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.882405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.882405][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.882405][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.882405][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.882405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.882405][ T10] [ 3265.884493][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3265.884493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.884493][ T10] ipv6_find_idev+0x102/0x170 [ 3265.884493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.884493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.884493][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.884493][ T10] netlink_unicast+0x449/0x710 [ 3265.884493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.884493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.884493][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.884493][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.884493][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.884493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.884493][ T10] [ 3265.886316][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3265.886316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.886316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.886316][ T10] ipv6_find_idev+0x102/0x170 [ 3265.886316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.886316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.886316][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.886316][ T10] netlink_unicast+0x449/0x710 [ 3265.886316][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.886316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.886316][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.886316][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.886316][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.886316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.886316][ T10] [ 3265.888169][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3265.888454][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3265.888454][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.888454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.888454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.888454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.888454][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.888454][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.888454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.888454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.888454][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.888454][ T10] netlink_unicast+0x449/0x710 [ 3265.888454][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.888454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.888454][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.888454][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.888454][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.888454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.888454][ T10] [ 3265.890627][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3265.890627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.890627][ T10] ipv6_find_idev+0x102/0x170 [ 3265.890627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.890627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.890627][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.890627][ T10] netlink_unicast+0x449/0x710 [ 3265.890627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.890627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.890627][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.890627][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.890627][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.890627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.890627][ T10] [ 3265.892313][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3265.892313][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.892313][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.892313][ T10] ipv6_find_idev+0x102/0x170 [ 3265.892313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.892313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.892313][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.892313][ T10] netlink_unicast+0x449/0x710 [ 3265.892313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.892313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.892313][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.892313][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.892313][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.892313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.892313][ T10] [ 3265.894259][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3265.894521][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3265.894521][ T10] netdev_get_by_index+0x5e/0x80 [ 3265.894521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3265.894521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3265.894521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3265.894521][ T10] ipv6_add_addr+0x411/0x2000 [ 3265.894521][ T10] inet6_addr_add+0x30e/0xa40 [ 3265.894521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3265.894521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.894521][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.894521][ T10] netlink_unicast+0x449/0x710 [ 3265.894521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.894521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.894521][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.894521][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.894521][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.894521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.894521][ T10] [ 3265.896813][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3265.896813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3265.896813][ T10] ipv6_find_idev+0x102/0x170 [ 3265.896813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.896813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.896813][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.896813][ T10] netlink_unicast+0x449/0x710 [ 3265.896813][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.896813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.896813][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.896813][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.896813][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.896813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.896813][ T10] [ 3265.898531][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3265.898531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3265.898531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3265.898531][ T10] ipv6_find_idev+0x102/0x170 [ 3265.898531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3265.898531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3265.898531][ T10] netlink_rcv_skb+0x130/0x360 [ 3265.898531][ T10] netlink_unicast+0x449/0x710 [ 3265.898531][ T10] netlink_sendmsg+0x723/0xbe0 [ 3265.898531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3265.898531][ T10] ___sys_sendmsg+0xee/0x170 [ 3265.898531][ T10] __sys_sendmsg+0xcd/0x170 [ 3265.898531][ T10] do_syscall_64+0xc6/0x1e0 [ 3265.898531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3265.898531][ T10] [ 3276.141993][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3276.142614][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3276.142614][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.142614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.142614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.142614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.142614][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.142614][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.142614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.142614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.142614][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.142614][ T10] netlink_unicast+0x449/0x710 [ 3276.142614][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.142614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.142614][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.142614][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.142614][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.142614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.142614][ T10] [ 3276.144641][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3276.144641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.144641][ T10] ipv6_find_idev+0x102/0x170 [ 3276.144641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.144641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.144641][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.144641][ T10] netlink_unicast+0x449/0x710 [ 3276.144641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.144641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.144641][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.144641][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.144641][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.144641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.144641][ T10] [ 3276.146145][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3276.146145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.146145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.146145][ T10] ipv6_find_idev+0x102/0x170 [ 3276.146145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.146145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.146145][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.146145][ T10] netlink_unicast+0x449/0x710 [ 3276.146145][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.146145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.146145][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.146145][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.146145][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.146145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.146145][ T10] [ 3276.147738][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3276.148036][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3276.148036][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.148036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.148036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.148036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.148036][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.148036][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.148036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.148036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.148036][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.148036][ T10] netlink_unicast+0x449/0x710 [ 3276.148036][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.148036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.148036][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.148036][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.148036][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.148036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.148036][ T10] [ 3276.149992][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3276.149992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.149992][ T10] ipv6_find_idev+0x102/0x170 [ 3276.149992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.149992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.149992][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.149992][ T10] netlink_unicast+0x449/0x710 [ 3276.149992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.149992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.149992][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.149992][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.149992][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.149992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.149992][ T10] [ 3276.151489][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3276.151489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.151489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.151489][ T10] ipv6_find_idev+0x102/0x170 [ 3276.151489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.151489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.151489][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.151489][ T10] netlink_unicast+0x449/0x710 [ 3276.151489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.151489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.151489][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.151489][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.151489][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.151489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.151489][ T10] [ 3276.153059][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3276.153332][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3276.153332][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.153332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.153332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.153332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.153332][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.153332][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.153332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.153332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.153332][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.153332][ T10] netlink_unicast+0x449/0x710 [ 3276.153332][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.153332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.153332][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.153332][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.153332][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.153332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.153332][ T10] [ 3276.155356][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3276.155356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.155356][ T10] ipv6_find_idev+0x102/0x170 [ 3276.155356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.155356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.155356][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.155356][ T10] netlink_unicast+0x449/0x710 [ 3276.155356][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.155356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.155356][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.155356][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.155356][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.155356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.155356][ T10] [ 3276.156926][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3276.156926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.156926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.156926][ T10] ipv6_find_idev+0x102/0x170 [ 3276.156926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.156926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.156926][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.156926][ T10] netlink_unicast+0x449/0x710 [ 3276.156926][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.156926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.156926][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.156926][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.156926][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.156926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.156926][ T10] [ 3276.158633][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3276.158939][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3276.158939][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.158939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.158939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.158939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.158939][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.158939][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.158939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.158939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.158939][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.158939][ T10] netlink_unicast+0x449/0x710 [ 3276.158939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.158939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.158939][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.158939][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.158939][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.158939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.158939][ T10] [ 3276.160855][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3276.160855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.160855][ T10] ipv6_find_idev+0x102/0x170 [ 3276.160855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.160855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.160855][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.160855][ T10] netlink_unicast+0x449/0x710 [ 3276.160855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.160855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.160855][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.160855][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.160855][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.160855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.160855][ T10] [ 3276.162414][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3276.162414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.162414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.162414][ T10] ipv6_find_idev+0x102/0x170 [ 3276.162414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.162414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.162414][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.162414][ T10] netlink_unicast+0x449/0x710 [ 3276.162414][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.162414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.162414][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.162414][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.162414][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.162414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.162414][ T10] [ 3276.164525][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3276.164862][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3276.164862][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.164862][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.164862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.164862][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.164862][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.164862][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.164862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.164862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.164862][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.164862][ T10] netlink_unicast+0x449/0x710 [ 3276.164862][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.164862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.164862][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.164862][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.164862][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.164862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.164862][ T10] [ 3276.166897][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3276.166897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.166897][ T10] ipv6_find_idev+0x102/0x170 [ 3276.166897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.166897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.166897][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.166897][ T10] netlink_unicast+0x449/0x710 [ 3276.166897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.166897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.166897][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.166897][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.166897][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.166897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.166897][ T10] [ 3276.168439][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3276.168439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.168439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.168439][ T10] ipv6_find_idev+0x102/0x170 [ 3276.168439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.168439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.168439][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.168439][ T10] netlink_unicast+0x449/0x710 [ 3276.168439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.168439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.168439][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.168439][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.168439][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.168439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.168439][ T10] [ 3276.170306][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3276.170591][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3276.170591][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.170591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.170591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.170591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.170591][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.170591][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.170591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.170591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.170591][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.170591][ T10] netlink_unicast+0x449/0x710 [ 3276.170591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.170591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.170591][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.170591][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.170591][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.170591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.170591][ T10] [ 3276.172814][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3276.172814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.172814][ T10] ipv6_find_idev+0x102/0x170 [ 3276.172814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.172814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.172814][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.172814][ T10] netlink_unicast+0x449/0x710 [ 3276.172814][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.172814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.172814][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.172814][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.172814][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.172814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.172814][ T10] [ 3276.174509][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3276.174509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.174509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.174509][ T10] ipv6_find_idev+0x102/0x170 [ 3276.174509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.174509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.174509][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.174509][ T10] netlink_unicast+0x449/0x710 [ 3276.174509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.174509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.174509][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.174509][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.174509][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.174509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.174509][ T10] [ 3276.176366][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3276.176649][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3276.176649][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.176649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.176649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.176649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.176649][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.176649][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.176649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.176649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.176649][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.176649][ T10] netlink_unicast+0x449/0x710 [ 3276.176649][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.176649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.176649][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.176649][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.176649][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.176649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.176649][ T10] [ 3276.178876][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3276.178876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.178876][ T10] ipv6_find_idev+0x102/0x170 [ 3276.178876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.178876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.178876][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.178876][ T10] netlink_unicast+0x449/0x710 [ 3276.178876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.178876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.178876][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.178876][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.178876][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.178876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.178876][ T10] [ 3276.180558][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3276.180558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.180558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.180558][ T10] ipv6_find_idev+0x102/0x170 [ 3276.180558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.180558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.180558][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.180558][ T10] netlink_unicast+0x449/0x710 [ 3276.180558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.180558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.180558][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.180558][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.180558][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.180558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.180558][ T10] [ 3276.182480][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3276.182735][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3276.182735][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.182735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.182735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.182735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.182735][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.182735][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.182735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.182735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.182735][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.182735][ T10] netlink_unicast+0x449/0x710 [ 3276.182735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.182735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.182735][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.182735][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.182735][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.182735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.182735][ T10] [ 3276.184919][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3276.184919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.184919][ T10] ipv6_find_idev+0x102/0x170 [ 3276.184919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.184919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.184919][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.184919][ T10] netlink_unicast+0x449/0x710 [ 3276.184919][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.184919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.184919][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.184919][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.184919][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.184919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.184919][ T10] [ 3276.186633][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3276.186633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.186633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.186633][ T10] ipv6_find_idev+0x102/0x170 [ 3276.186633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.186633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.186633][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.186633][ T10] netlink_unicast+0x449/0x710 [ 3276.186633][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.186633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.186633][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.186633][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.186633][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.186633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.186633][ T10] [ 3286.429966][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3286.430508][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3286.430508][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.430508][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.430508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.430508][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.430508][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.430508][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.430508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.430508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.430508][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.430508][ T10] netlink_unicast+0x449/0x710 [ 3286.430508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.430508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.430508][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.430508][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.430508][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.430508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.430508][ T10] [ 3286.432471][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3286.432471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.432471][ T10] ipv6_find_idev+0x102/0x170 [ 3286.432471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.432471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.432471][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.432471][ T10] netlink_unicast+0x449/0x710 [ 3286.432471][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.432471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.432471][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.432471][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.432471][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.432471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.432471][ T10] [ 3286.433961][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3286.433961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.433961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.433961][ T10] ipv6_find_idev+0x102/0x170 [ 3286.433961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.433961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.433961][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.433961][ T10] netlink_unicast+0x449/0x710 [ 3286.433961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.433961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.433961][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.433961][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.433961][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.433961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.433961][ T10] [ 3286.435625][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3286.435907][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3286.435907][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.435907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.435907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.435907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.435907][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.435907][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.435907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.435907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.435907][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.435907][ T10] netlink_unicast+0x449/0x710 [ 3286.435907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.435907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.435907][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.435907][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.435907][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.435907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.435907][ T10] [ 3286.437968][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3286.437968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.437968][ T10] ipv6_find_idev+0x102/0x170 [ 3286.437968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.437968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.437968][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.437968][ T10] netlink_unicast+0x449/0x710 [ 3286.437968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.437968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.437968][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.437968][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.437968][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.437968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.437968][ T10] [ 3286.439524][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3286.439524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.439524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.439524][ T10] ipv6_find_idev+0x102/0x170 [ 3286.439524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.439524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.439524][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.439524][ T10] netlink_unicast+0x449/0x710 [ 3286.439524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.439524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.439524][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.439524][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.439524][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.439524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.439524][ T10] [ 3286.441217][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3286.441484][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3286.441484][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.441484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.441484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.441484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.441484][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.441484][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.441484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.441484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.441484][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.441484][ T10] netlink_unicast+0x449/0x710 [ 3286.441484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.441484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.441484][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.441484][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.441484][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.441484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.441484][ T10] [ 3286.443466][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3286.443466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.443466][ T10] ipv6_find_idev+0x102/0x170 [ 3286.443466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.443466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.443466][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.443466][ T10] netlink_unicast+0x449/0x710 [ 3286.443466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.443466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.443466][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.443466][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.443466][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.443466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.443466][ T10] [ 3286.444979][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3286.444979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.444979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.444979][ T10] ipv6_find_idev+0x102/0x170 [ 3286.444979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.444979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.444979][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.444979][ T10] netlink_unicast+0x449/0x710 [ 3286.444979][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.444979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.444979][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.444979][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.444979][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.444979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.444979][ T10] [ 3286.447089][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3286.447358][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3286.447358][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.447358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.447358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.447358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.447358][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.447358][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.447358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.447358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.447358][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.447358][ T10] netlink_unicast+0x449/0x710 [ 3286.447358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.447358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.447358][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.447358][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.447358][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.447358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.447358][ T10] [ 3286.449358][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3286.449358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.449358][ T10] ipv6_find_idev+0x102/0x170 [ 3286.449358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.449358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.449358][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.449358][ T10] netlink_unicast+0x449/0x710 [ 3286.449358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.449358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.449358][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.449358][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.449358][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.449358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.449358][ T10] [ 3286.450913][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3286.450913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.450913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.450913][ T10] ipv6_find_idev+0x102/0x170 [ 3286.450913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.450913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.450913][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.450913][ T10] netlink_unicast+0x449/0x710 [ 3286.450913][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.450913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.450913][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.450913][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.450913][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.450913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.450913][ T10] [ 3286.452632][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3286.452941][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3286.452941][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.452941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.452941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.452941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.452941][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.452941][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.452941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.452941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.452941][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.452941][ T10] netlink_unicast+0x449/0x710 [ 3286.452941][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.452941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.452941][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.452941][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.452941][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.452941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.452941][ T10] [ 3286.454897][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3286.454897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.454897][ T10] ipv6_find_idev+0x102/0x170 [ 3286.454897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.454897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.454897][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.454897][ T10] netlink_unicast+0x449/0x710 [ 3286.454897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.454897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.454897][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.454897][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.454897][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.454897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.454897][ T10] [ 3286.456471][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3286.456471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.456471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.456471][ T10] ipv6_find_idev+0x102/0x170 [ 3286.456471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.456471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.456471][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.456471][ T10] netlink_unicast+0x449/0x710 [ 3286.456471][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.456471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.456471][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.456471][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.456471][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.456471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.456471][ T10] [ 3286.458153][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3286.458436][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3286.458436][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.458436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.458436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.458436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.458436][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.458436][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.458436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.458436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.458436][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.458436][ T10] netlink_unicast+0x449/0x710 [ 3286.458436][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.458436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.458436][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.458436][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.458436][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.458436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.458436][ T10] [ 3286.460479][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3286.460479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.460479][ T10] ipv6_find_idev+0x102/0x170 [ 3286.460479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.460479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.460479][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.460479][ T10] netlink_unicast+0x449/0x710 [ 3286.460479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.460479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.460479][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.460479][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.460479][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.460479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.460479][ T10] [ 3286.462336][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3286.462336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.462336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.462336][ T10] ipv6_find_idev+0x102/0x170 [ 3286.462336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.462336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.462336][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.462336][ T10] netlink_unicast+0x449/0x710 [ 3286.462336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.462336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.462336][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.462336][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.462336][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.462336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.462336][ T10] [ 3286.464390][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3286.464689][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3286.464689][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.464689][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.464689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.464689][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.464689][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.464689][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.464689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.464689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.464689][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.464689][ T10] netlink_unicast+0x449/0x710 [ 3286.464689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.464689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.464689][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.464689][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.464689][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.464689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.464689][ T10] [ 3286.467056][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3286.467056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.467056][ T10] ipv6_find_idev+0x102/0x170 [ 3286.467056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.467056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.467056][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.467056][ T10] netlink_unicast+0x449/0x710 [ 3286.467056][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.467056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.467056][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.467056][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.467056][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.467056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.467056][ T10] [ 3286.468942][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3286.468942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.468942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.468942][ T10] ipv6_find_idev+0x102/0x170 [ 3286.468942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.468942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.468942][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.468942][ T10] netlink_unicast+0x449/0x710 [ 3286.468942][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.468942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.468942][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.468942][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.468942][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.468942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.468942][ T10] [ 3286.471024][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3286.471362][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3286.471362][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.471362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.471362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.471362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.471362][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.471362][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.471362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.471362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.471362][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.471362][ T10] netlink_unicast+0x449/0x710 [ 3286.471362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.471362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.471362][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.471362][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.471362][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.471362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.471362][ T10] [ 3286.473788][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3286.473788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.473788][ T10] ipv6_find_idev+0x102/0x170 [ 3286.473788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.473788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.473788][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.473788][ T10] netlink_unicast+0x449/0x710 [ 3286.473788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.473788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.473788][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.473788][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.473788][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.473788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.473788][ T10] [ 3286.475524][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3286.475524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.475524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.475524][ T10] ipv6_find_idev+0x102/0x170 [ 3286.475524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.475524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.475524][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.475524][ T10] netlink_unicast+0x449/0x710 [ 3286.475524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.475524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.475524][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.475524][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.475524][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.475524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.475524][ T10] [ 3296.837967][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3296.838452][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3296.838452][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.838452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.838452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.838452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.838452][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.838452][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.838452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.838452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.838452][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.838452][ T10] netlink_unicast+0x449/0x710 [ 3296.838452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.838452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.838452][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.838452][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.838452][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.838452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.838452][ T10] [ 3296.840484][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3296.840484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.840484][ T10] ipv6_find_idev+0x102/0x170 [ 3296.840484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.840484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.840484][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.840484][ T10] netlink_unicast+0x449/0x710 [ 3296.840484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.840484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.840484][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.840484][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.840484][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.840484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.840484][ T10] [ 3296.842043][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3296.842043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.842043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.842043][ T10] ipv6_find_idev+0x102/0x170 [ 3296.842043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.842043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.842043][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.842043][ T10] netlink_unicast+0x449/0x710 [ 3296.842043][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.842043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.842043][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.842043][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.842043][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.842043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.842043][ T10] [ 3296.843783][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3296.844067][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3296.844067][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.844067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.844067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.844067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.844067][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.844067][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.844067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.844067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.844067][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.844067][ T10] netlink_unicast+0x449/0x710 [ 3296.844067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.844067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.844067][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.844067][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.844067][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.844067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.844067][ T10] [ 3296.846081][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3296.846081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.846081][ T10] ipv6_find_idev+0x102/0x170 [ 3296.846081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.846081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.846081][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.846081][ T10] netlink_unicast+0x449/0x710 [ 3296.846081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.846081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.846081][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.846081][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.846081][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.846081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.846081][ T10] [ 3296.847641][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3296.847641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.847641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.847641][ T10] ipv6_find_idev+0x102/0x170 [ 3296.847641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.847641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.847641][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.847641][ T10] netlink_unicast+0x449/0x710 [ 3296.847641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.847641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.847641][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.847641][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.847641][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.847641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.847641][ T10] [ 3296.849323][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3296.849587][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3296.849587][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.849587][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.849587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.849587][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.849587][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.849587][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.849587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.849587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.849587][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.849587][ T10] netlink_unicast+0x449/0x710 [ 3296.849587][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.849587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.849587][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.849587][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.849587][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.849587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.849587][ T10] [ 3296.851612][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3296.851612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.851612][ T10] ipv6_find_idev+0x102/0x170 [ 3296.851612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.851612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.851612][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.851612][ T10] netlink_unicast+0x449/0x710 [ 3296.851612][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.851612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.851612][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.851612][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.851612][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.851612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.851612][ T10] [ 3296.853173][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3296.853173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.853173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.853173][ T10] ipv6_find_idev+0x102/0x170 [ 3296.853173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.853173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.853173][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.853173][ T10] netlink_unicast+0x449/0x710 [ 3296.853173][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.853173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.853173][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.853173][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.853173][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.853173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.853173][ T10] [ 3296.854859][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3296.855122][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3296.855122][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.855122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.855122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.855122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.855122][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.855122][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.855122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.855122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.855122][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.855122][ T10] netlink_unicast+0x449/0x710 [ 3296.855122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.855122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.855122][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.855122][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.855122][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.855122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.855122][ T10] [ 3296.857141][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3296.857141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.857141][ T10] ipv6_find_idev+0x102/0x170 [ 3296.857141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.857141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.857141][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.857141][ T10] netlink_unicast+0x449/0x710 [ 3296.857141][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.857141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.857141][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.857141][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.857141][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.857141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.857141][ T10] [ 3296.858691][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3296.858691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.858691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.858691][ T10] ipv6_find_idev+0x102/0x170 [ 3296.858691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.858691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.858691][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.858691][ T10] netlink_unicast+0x449/0x710 [ 3296.858691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.858691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.858691][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.858691][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.858691][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.858691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.858691][ T10] [ 3296.860785][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3296.861052][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3296.861052][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.861052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.861052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.861052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.861052][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.861052][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.861052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.861052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.861052][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.861052][ T10] netlink_unicast+0x449/0x710 [ 3296.861052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.861052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.861052][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.861052][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.861052][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.861052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.861052][ T10] [ 3296.863070][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3296.863070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.863070][ T10] ipv6_find_idev+0x102/0x170 [ 3296.863070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.863070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.863070][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.863070][ T10] netlink_unicast+0x449/0x710 [ 3296.863070][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.863070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.863070][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.863070][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.863070][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.863070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.863070][ T10] [ 3296.864625][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3296.864625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.864625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.864625][ T10] ipv6_find_idev+0x102/0x170 [ 3296.864625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.864625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.864625][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.864625][ T10] netlink_unicast+0x449/0x710 [ 3296.864625][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.864625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.864625][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.864625][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.864625][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.864625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.864625][ T10] [ 3296.866365][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3296.866636][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3296.866636][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.866636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.866636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.866636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.866636][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.866636][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.866636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.866636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.866636][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.866636][ T10] netlink_unicast+0x449/0x710 [ 3296.866636][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.866636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.866636][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.866636][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.866636][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.866636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.866636][ T10] [ 3296.868833][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3296.868833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.868833][ T10] ipv6_find_idev+0x102/0x170 [ 3296.868833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.868833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.868833][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.868833][ T10] netlink_unicast+0x449/0x710 [ 3296.868833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.868833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.868833][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.868833][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.868833][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.868833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.868833][ T10] [ 3296.870575][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3296.870575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.870575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.870575][ T10] ipv6_find_idev+0x102/0x170 [ 3296.870575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.870575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.870575][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.870575][ T10] netlink_unicast+0x449/0x710 [ 3296.870575][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.870575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.870575][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.870575][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.870575][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.870575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.870575][ T10] [ 3296.872504][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3296.872779][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3296.872779][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.872779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.872779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.872779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.872779][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.872779][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.872779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.872779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.872779][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.872779][ T10] netlink_unicast+0x449/0x710 [ 3296.872779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.872779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.872779][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.872779][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.872779][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.872779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.872779][ T10] [ 3296.874900][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3296.874900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.874900][ T10] ipv6_find_idev+0x102/0x170 [ 3296.874900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.874900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.874900][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.874900][ T10] netlink_unicast+0x449/0x710 [ 3296.874900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.874900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.874900][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.874900][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.874900][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.874900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.874900][ T10] [ 3296.876626][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3296.876626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.876626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.876626][ T10] ipv6_find_idev+0x102/0x170 [ 3296.876626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.876626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.876626][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.876626][ T10] netlink_unicast+0x449/0x710 [ 3296.876626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.876626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.876626][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.876626][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.876626][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.876626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.876626][ T10] [ 3296.878601][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3296.878921][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3296.878921][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.878921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.878921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.878921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.878921][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.878921][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.878921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.878921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.878921][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.878921][ T10] netlink_unicast+0x449/0x710 [ 3296.878921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.878921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.878921][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.878921][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.878921][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.878921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.878921][ T10] [ 3296.881172][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3296.881172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.881172][ T10] ipv6_find_idev+0x102/0x170 [ 3296.881172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.881172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.881172][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.881172][ T10] netlink_unicast+0x449/0x710 [ 3296.881172][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.881172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.881172][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.881172][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.881172][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.881172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.881172][ T10] [ 3296.882882][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3296.882882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.882882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.882882][ T10] ipv6_find_idev+0x102/0x170 [ 3296.882882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.882882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.882882][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.882882][ T10] netlink_unicast+0x449/0x710 [ 3296.882882][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.882882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.882882][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.882882][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.882882][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.882882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.882882][ T10] [ 3307.125948][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3307.126526][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3307.126526][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.126526][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.126526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.126526][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.126526][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.126526][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.126526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.126526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.126526][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.126526][ T10] netlink_unicast+0x449/0x710 [ 3307.126526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.126526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.126526][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.126526][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.126526][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.126526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.126526][ T10] [ 3307.128543][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3307.128543][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.128543][ T10] ipv6_find_idev+0x102/0x170 [ 3307.128543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.128543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.128543][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.128543][ T10] netlink_unicast+0x449/0x710 [ 3307.128543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.128543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.128543][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.128543][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.128543][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.128543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.128543][ T10] [ 3307.130102][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3307.130102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.130102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.130102][ T10] ipv6_find_idev+0x102/0x170 [ 3307.130102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.130102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.130102][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.130102][ T10] netlink_unicast+0x449/0x710 [ 3307.130102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.130102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.130102][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.130102][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.130102][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.130102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.130102][ T10] [ 3307.131784][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3307.132054][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3307.132054][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.132054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.132054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.132054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.132054][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.132054][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.132054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.132054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.132054][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.132054][ T10] netlink_unicast+0x449/0x710 [ 3307.132054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.132054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.132054][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.132054][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.132054][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.132054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.132054][ T10] [ 3307.134041][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3307.134041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.134041][ T10] ipv6_find_idev+0x102/0x170 [ 3307.134041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.134041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.134041][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.134041][ T10] netlink_unicast+0x449/0x710 [ 3307.134041][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.134041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.134041][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.134041][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.134041][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.134041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.134041][ T10] [ 3307.135566][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3307.135566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.135566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.135566][ T10] ipv6_find_idev+0x102/0x170 [ 3307.135566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.135566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.135566][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.135566][ T10] netlink_unicast+0x449/0x710 [ 3307.135566][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.135566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.135566][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.135566][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.135566][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.135566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.135566][ T10] [ 3307.137269][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3307.137532][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3307.137532][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.137532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.137532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.137532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.137532][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.137532][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.137532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.137532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.137532][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.137532][ T10] netlink_unicast+0x449/0x710 [ 3307.137532][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.137532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.137532][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.137532][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.137532][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.137532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.137532][ T10] [ 3307.139540][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3307.139540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.139540][ T10] ipv6_find_idev+0x102/0x170 [ 3307.139540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.139540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.139540][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.139540][ T10] netlink_unicast+0x449/0x710 [ 3307.139540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.139540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.139540][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.139540][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.139540][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.139540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.139540][ T10] [ 3307.141091][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3307.141091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.141091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.141091][ T10] ipv6_find_idev+0x102/0x170 [ 3307.141091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.141091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.141091][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.141091][ T10] netlink_unicast+0x449/0x710 [ 3307.141091][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.141091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.141091][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.141091][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.141091][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.141091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.141091][ T10] [ 3307.142799][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3307.143061][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3307.143061][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.143061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.143061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.143061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.143061][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.143061][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.143061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.143061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.143061][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.143061][ T10] netlink_unicast+0x449/0x710 [ 3307.143061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.143061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.143061][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.143061][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.143061][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.143061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.143061][ T10] [ 3307.145076][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3307.145076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.145076][ T10] ipv6_find_idev+0x102/0x170 [ 3307.145076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.145076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.145076][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.145076][ T10] netlink_unicast+0x449/0x710 [ 3307.145076][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.145076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.145076][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.145076][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.145076][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.145076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.145076][ T10] [ 3307.146630][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3307.146630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.146630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.146630][ T10] ipv6_find_idev+0x102/0x170 [ 3307.146630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.146630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.146630][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.146630][ T10] netlink_unicast+0x449/0x710 [ 3307.146630][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.146630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.146630][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.146630][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.146630][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.146630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.146630][ T10] [ 3307.148727][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3307.149327][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3307.149327][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.149327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.149327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.149327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.149327][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.149327][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.149327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.149327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.149327][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.149327][ T10] netlink_unicast+0x449/0x710 [ 3307.149327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.149327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.149327][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.149327][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.149327][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.149327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.149327][ T10] [ 3307.151334][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3307.151334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.151334][ T10] ipv6_find_idev+0x102/0x170 [ 3307.151334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.151334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.151334][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.151334][ T10] netlink_unicast+0x449/0x710 [ 3307.151334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.151334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.151334][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.151334][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.151334][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.151334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.151334][ T10] [ 3307.152882][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3307.152882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.152882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.152882][ T10] ipv6_find_idev+0x102/0x170 [ 3307.152882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.152882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.152882][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.152882][ T10] netlink_unicast+0x449/0x710 [ 3307.152882][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.152882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.152882][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.152882][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.152882][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.152882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.152882][ T10] [ 3307.154568][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3307.154898][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3307.154898][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.154898][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.154898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.154898][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.154898][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.154898][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.154898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.154898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.154898][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.154898][ T10] netlink_unicast+0x449/0x710 [ 3307.154898][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.154898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.154898][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.154898][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.154898][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.154898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.154898][ T10] [ 3307.156930][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3307.156930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.156930][ T10] ipv6_find_idev+0x102/0x170 [ 3307.156930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.156930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.156930][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.156930][ T10] netlink_unicast+0x449/0x710 [ 3307.156930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.156930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.156930][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.156930][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.156930][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.156930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.156930][ T10] [ 3307.158539][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3307.158539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.158539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.158539][ T10] ipv6_find_idev+0x102/0x170 [ 3307.158539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.158539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.158539][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.158539][ T10] netlink_unicast+0x449/0x710 [ 3307.158539][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.158539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.158539][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.158539][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.158539][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.158539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.158539][ T10] [ 3307.160512][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3307.160778][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3307.160778][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.160778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.160778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.160778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.160778][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.160778][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.160778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.160778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.160778][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.160778][ T10] netlink_unicast+0x449/0x710 [ 3307.160778][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.160778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.160778][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.160778][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.160778][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.160778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.160778][ T10] [ 3307.163528][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3307.163528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.163528][ T10] ipv6_find_idev+0x102/0x170 [ 3307.163528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.163528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.163528][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.163528][ T10] netlink_unicast+0x449/0x710 [ 3307.163528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.163528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.163528][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.163528][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.163528][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.163528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.163528][ T10] [ 3307.165210][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3307.165210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.165210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.165210][ T10] ipv6_find_idev+0x102/0x170 [ 3307.165210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.165210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.165210][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.165210][ T10] netlink_unicast+0x449/0x710 [ 3307.165210][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.165210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.165210][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.165210][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.165210][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.165210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.165210][ T10] [ 3307.167097][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3307.167416][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3307.167416][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.167416][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.167416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.167416][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.167416][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.167416][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.167416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.167416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.167416][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.167416][ T10] netlink_unicast+0x449/0x710 [ 3307.167416][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.167416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.167416][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.167416][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.167416][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.167416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.167416][ T10] [ 3307.169597][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3307.169597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.169597][ T10] ipv6_find_idev+0x102/0x170 [ 3307.169597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.169597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.169597][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.169597][ T10] netlink_unicast+0x449/0x710 [ 3307.169597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.169597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.169597][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.169597][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.169597][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.169597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.169597][ T10] [ 3307.171335][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3307.171335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.171335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.171335][ T10] ipv6_find_idev+0x102/0x170 [ 3307.171335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.171335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.171335][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.171335][ T10] netlink_unicast+0x449/0x710 [ 3307.171335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.171335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.171335][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.171335][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.171335][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.171335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.171335][ T10] [ 3317.413965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3317.414518][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3317.414518][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.414518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.414518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.414518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.414518][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.414518][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.414518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.414518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.414518][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.414518][ T10] netlink_unicast+0x449/0x710 [ 3317.414518][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.414518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.414518][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.414518][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.414518][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.414518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.414518][ T10] [ 3317.416505][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3317.416505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.416505][ T10] ipv6_find_idev+0x102/0x170 [ 3317.416505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.416505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.416505][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.416505][ T10] netlink_unicast+0x449/0x710 [ 3317.416505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.416505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.416505][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.416505][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.416505][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.416505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.416505][ T10] [ 3317.418032][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3317.418032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.418032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.418032][ T10] ipv6_find_idev+0x102/0x170 [ 3317.418032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.418032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.418032][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.418032][ T10] netlink_unicast+0x449/0x710 [ 3317.418032][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.418032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.418032][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.418032][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.418032][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.418032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.418032][ T10] [ 3317.419680][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3317.419978][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3317.419978][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.419978][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.419978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.419978][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.419978][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.419978][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.419978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.419978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.419978][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.419978][ T10] netlink_unicast+0x449/0x710 [ 3317.419978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.419978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.419978][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.419978][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.419978][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.419978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.419978][ T10] [ 3317.421970][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3317.421970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.421970][ T10] ipv6_find_idev+0x102/0x170 [ 3317.421970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.421970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.421970][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.421970][ T10] netlink_unicast+0x449/0x710 [ 3317.421970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.421970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.421970][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.421970][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.421970][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.421970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.421970][ T10] [ 3317.423475][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3317.423475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.423475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.423475][ T10] ipv6_find_idev+0x102/0x170 [ 3317.423475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.423475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.423475][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.423475][ T10] netlink_unicast+0x449/0x710 [ 3317.423475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.423475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.423475][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.423475][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.423475][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.423475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.423475][ T10] [ 3317.425042][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3317.425296][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3317.425296][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.425296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.425296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.425296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.425296][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.425296][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.425296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.425296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.425296][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.425296][ T10] netlink_unicast+0x449/0x710 [ 3317.425296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.425296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.425296][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.425296][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.425296][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.425296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.425296][ T10] [ 3317.427567][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3317.427567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.427567][ T10] ipv6_find_idev+0x102/0x170 [ 3317.427567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.427567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.427567][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.427567][ T10] netlink_unicast+0x449/0x710 [ 3317.427567][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.427567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.427567][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.427567][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.427567][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.427567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.427567][ T10] [ 3317.429085][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3317.429085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.429085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.429085][ T10] ipv6_find_idev+0x102/0x170 [ 3317.429085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.429085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.429085][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.429085][ T10] netlink_unicast+0x449/0x710 [ 3317.429085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.429085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.429085][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.429085][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.429085][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.429085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.429085][ T10] [ 3317.431108][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3317.431355][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3317.431355][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.431355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.431355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.431355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.431355][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.431355][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.431355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.431355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.431355][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.431355][ T10] netlink_unicast+0x449/0x710 [ 3317.431355][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.431355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.431355][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.431355][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.431355][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.431355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.431355][ T10] [ 3317.433293][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3317.433293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.433293][ T10] ipv6_find_idev+0x102/0x170 [ 3317.433293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.433293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.433293][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.433293][ T10] netlink_unicast+0x449/0x710 [ 3317.433293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.433293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.433293][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.433293][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.433293][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.433293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.433293][ T10] [ 3317.434852][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3317.434852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.434852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.434852][ T10] ipv6_find_idev+0x102/0x170 [ 3317.434852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.434852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.434852][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.434852][ T10] netlink_unicast+0x449/0x710 [ 3317.434852][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.434852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.434852][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.434852][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.434852][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.434852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.434852][ T10] [ 3317.436607][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3317.436933][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3317.436933][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.436933][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.436933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.436933][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.436933][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.436933][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.436933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.436933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.436933][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.436933][ T10] netlink_unicast+0x449/0x710 [ 3317.436933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.436933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.436933][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.436933][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.436933][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.436933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.436933][ T10] [ 3317.438932][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3317.438932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.438932][ T10] ipv6_find_idev+0x102/0x170 [ 3317.438932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.438932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.438932][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.438932][ T10] netlink_unicast+0x449/0x710 [ 3317.438932][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.438932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.438932][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.438932][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.438932][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.438932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.438932][ T10] [ 3317.440465][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3317.440465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.440465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.440465][ T10] ipv6_find_idev+0x102/0x170 [ 3317.440465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.440465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.440465][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.440465][ T10] netlink_unicast+0x449/0x710 [ 3317.440465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.440465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.440465][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.440465][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.440465][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.440465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.440465][ T10] [ 3317.442208][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3317.442476][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3317.442476][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.442476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.442476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.442476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.442476][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.442476][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.442476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.442476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.442476][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.442476][ T10] netlink_unicast+0x449/0x710 [ 3317.442476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.442476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.442476][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.442476][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.442476][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.442476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.442476][ T10] [ 3317.444551][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3317.444551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.444551][ T10] ipv6_find_idev+0x102/0x170 [ 3317.444551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.444551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.444551][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.444551][ T10] netlink_unicast+0x449/0x710 [ 3317.444551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.444551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.444551][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.444551][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.444551][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.444551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.444551][ T10] [ 3317.446233][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3317.446233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.446233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.446233][ T10] ipv6_find_idev+0x102/0x170 [ 3317.446233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.446233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.446233][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.446233][ T10] netlink_unicast+0x449/0x710 [ 3317.446233][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.446233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.446233][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.446233][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.446233][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.446233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.446233][ T10] [ 3317.448107][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3317.448373][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3317.448373][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.448373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.448373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.448373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.448373][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.448373][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.448373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.448373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.448373][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.448373][ T10] netlink_unicast+0x449/0x710 [ 3317.448373][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.448373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.448373][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.448373][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.448373][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.448373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.448373][ T10] [ 3317.450518][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3317.450518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.450518][ T10] ipv6_find_idev+0x102/0x170 [ 3317.450518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.450518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.450518][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.450518][ T10] netlink_unicast+0x449/0x710 [ 3317.450518][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.450518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.450518][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.450518][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.450518][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.450518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.450518][ T10] [ 3317.452249][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3317.452249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.452249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.452249][ T10] ipv6_find_idev+0x102/0x170 [ 3317.452249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.452249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.452249][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.452249][ T10] netlink_unicast+0x449/0x710 [ 3317.452249][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.452249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.452249][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.452249][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.452249][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.452249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.452249][ T10] [ 3317.454148][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3317.454456][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3317.454456][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.454456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.454456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.454456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.454456][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.454456][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.454456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.454456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.454456][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.454456][ T10] netlink_unicast+0x449/0x710 [ 3317.454456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.454456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.454456][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.454456][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.454456][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.454456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.454456][ T10] [ 3317.456998][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3317.456998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.456998][ T10] ipv6_find_idev+0x102/0x170 [ 3317.456998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.456998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.456998][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.456998][ T10] netlink_unicast+0x449/0x710 [ 3317.456998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.456998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.456998][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.456998][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.456998][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.456998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.456998][ T10] [ 3317.458762][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3317.458762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.458762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.458762][ T10] ipv6_find_idev+0x102/0x170 [ 3317.458762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.458762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.458762][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.458762][ T10] netlink_unicast+0x449/0x710 [ 3317.458762][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.458762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.458762][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.458762][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.458762][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.458762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.458762][ T10] [ 3327.525974][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3327.526579][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3327.526579][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.526579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.526579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.526579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.526579][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.526579][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.526579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.526579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.526579][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.526579][ T10] netlink_unicast+0x449/0x710 [ 3327.526579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.526579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.526579][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.526579][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.526579][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.526579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.526579][ T10] [ 3327.528501][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3327.528501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.528501][ T10] ipv6_find_idev+0x102/0x170 [ 3327.528501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.528501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.528501][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.528501][ T10] netlink_unicast+0x449/0x710 [ 3327.528501][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.528501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.528501][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.528501][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.528501][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.528501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.528501][ T10] [ 3327.529956][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3327.529956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.529956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.529956][ T10] ipv6_find_idev+0x102/0x170 [ 3327.529956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.529956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.529956][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.529956][ T10] netlink_unicast+0x449/0x710 [ 3327.529956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.529956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.529956][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.529956][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.529956][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.529956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.529956][ T10] [ 3327.531543][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3327.531838][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3327.531838][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.531838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.531838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.531838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.531838][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.531838][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.531838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.531838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.531838][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.531838][ T10] netlink_unicast+0x449/0x710 [ 3327.531838][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.531838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.531838][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.531838][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.531838][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.531838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.531838][ T10] [ 3327.533787][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3327.533787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.533787][ T10] ipv6_find_idev+0x102/0x170 [ 3327.533787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.533787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.533787][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.533787][ T10] netlink_unicast+0x449/0x710 [ 3327.533787][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.533787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.533787][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.533787][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.533787][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.533787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.533787][ T10] [ 3327.535280][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3327.535280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.535280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.535280][ T10] ipv6_find_idev+0x102/0x170 [ 3327.535280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.535280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.535280][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.535280][ T10] netlink_unicast+0x449/0x710 [ 3327.535280][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.535280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.535280][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.535280][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.535280][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.535280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.535280][ T10] [ 3327.536932][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3327.537197][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3327.537197][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.537197][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.537197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.537197][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.537197][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.537197][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.537197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.537197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.537197][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.537197][ T10] netlink_unicast+0x449/0x710 [ 3327.537197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.537197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.537197][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.537197][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.537197][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.537197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.537197][ T10] [ 3327.539112][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3327.539112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.539112][ T10] ipv6_find_idev+0x102/0x170 [ 3327.539112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.539112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.539112][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.539112][ T10] netlink_unicast+0x449/0x710 [ 3327.539112][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.539112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.539112][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.539112][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.539112][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.539112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.539112][ T10] [ 3327.540600][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3327.540600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.540600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.540600][ T10] ipv6_find_idev+0x102/0x170 [ 3327.540600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.540600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.540600][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.540600][ T10] netlink_unicast+0x449/0x710 [ 3327.540600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.540600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.540600][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.540600][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.540600][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.540600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.540600][ T10] [ 3327.542611][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3327.543216][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3327.543216][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.543216][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.543216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.543216][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.543216][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.543216][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.543216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.543216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.543216][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.543216][ T10] netlink_unicast+0x449/0x710 [ 3327.543216][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.543216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.543216][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.543216][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.543216][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.543216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.543216][ T10] [ 3327.545237][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3327.545237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.545237][ T10] ipv6_find_idev+0x102/0x170 [ 3327.545237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.545237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.545237][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.545237][ T10] netlink_unicast+0x449/0x710 [ 3327.545237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.545237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.545237][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.545237][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.545237][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.545237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.545237][ T10] [ 3327.546740][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3327.546740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.546740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.546740][ T10] ipv6_find_idev+0x102/0x170 [ 3327.546740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.546740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.546740][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.546740][ T10] netlink_unicast+0x449/0x710 [ 3327.546740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.546740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.546740][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.546740][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.546740][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.546740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.546740][ T10] [ 3327.548422][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3327.548701][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3327.548701][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.548701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.548701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.548701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.548701][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.548701][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.548701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.548701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.548701][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.548701][ T10] netlink_unicast+0x449/0x710 [ 3327.548701][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.548701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.548701][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.548701][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.548701][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.548701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.548701][ T10] [ 3327.550678][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3327.550678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.550678][ T10] ipv6_find_idev+0x102/0x170 [ 3327.550678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.550678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.550678][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.550678][ T10] netlink_unicast+0x449/0x710 [ 3327.550678][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.550678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.550678][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.550678][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.550678][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.550678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.550678][ T10] [ 3327.552136][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3327.552136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.552136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.552136][ T10] ipv6_find_idev+0x102/0x170 [ 3327.552136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.552136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.552136][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.552136][ T10] netlink_unicast+0x449/0x710 [ 3327.552136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.552136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.552136][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.552136][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.552136][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.552136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.552136][ T10] [ 3327.553743][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3327.554045][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3327.554045][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.554045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.554045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.554045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.554045][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.554045][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.554045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.554045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.554045][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.554045][ T10] netlink_unicast+0x449/0x710 [ 3327.554045][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.554045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.554045][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.554045][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.554045][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.554045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.554045][ T10] [ 3327.556059][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3327.556059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.556059][ T10] ipv6_find_idev+0x102/0x170 [ 3327.556059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.556059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.556059][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.556059][ T10] netlink_unicast+0x449/0x710 [ 3327.556059][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.556059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.556059][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.556059][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.556059][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.556059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.556059][ T10] [ 3327.557668][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3327.557668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.557668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.557668][ T10] ipv6_find_idev+0x102/0x170 [ 3327.557668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.557668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.557668][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.557668][ T10] netlink_unicast+0x449/0x710 [ 3327.557668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.557668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.557668][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.557668][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.557668][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.557668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.557668][ T10] [ 3327.559639][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3327.559972][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3327.559972][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.559972][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.559972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.559972][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.559972][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.559972][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.559972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.559972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.559972][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.559972][ T10] netlink_unicast+0x449/0x710 [ 3327.559972][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.559972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.559972][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.559972][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.559972][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.559972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.559972][ T10] [ 3327.562185][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3327.562185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.562185][ T10] ipv6_find_idev+0x102/0x170 [ 3327.562185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.562185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.562185][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.562185][ T10] netlink_unicast+0x449/0x710 [ 3327.562185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.562185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.562185][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.562185][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.562185][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.562185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.562185][ T10] [ 3327.563939][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3327.563939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.563939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.563939][ T10] ipv6_find_idev+0x102/0x170 [ 3327.563939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.563939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.563939][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.563939][ T10] netlink_unicast+0x449/0x710 [ 3327.563939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.563939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.563939][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.563939][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.563939][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.563939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.563939][ T10] [ 3327.565803][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3327.566217][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3327.566217][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.566217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.566217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.566217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.566217][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.566217][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.566217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.566217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.566217][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.566217][ T10] netlink_unicast+0x449/0x710 [ 3327.566217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.566217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.566217][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.566217][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.566217][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.566217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.566217][ T10] [ 3327.569019][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3327.569019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.569019][ T10] ipv6_find_idev+0x102/0x170 [ 3327.569019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.569019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.569019][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.569019][ T10] netlink_unicast+0x449/0x710 [ 3327.569019][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.569019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.569019][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.569019][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.569019][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.569019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.569019][ T10] [ 3327.571255][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3327.571255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.571255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.571255][ T10] ipv6_find_idev+0x102/0x170 [ 3327.571255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.571255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.571255][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.571255][ T10] netlink_unicast+0x449/0x710 [ 3327.571255][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.571255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.571255][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.571255][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.571255][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.571255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.571255][ T10] [ 3337.645985][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3337.646591][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3337.646591][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.646591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.646591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.646591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.646591][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.646591][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.646591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.646591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.646591][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.646591][ T10] netlink_unicast+0x449/0x710 [ 3337.646591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.646591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.646591][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.646591][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.646591][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.646591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.646591][ T10] [ 3337.648632][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3337.648632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.648632][ T10] ipv6_find_idev+0x102/0x170 [ 3337.648632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.648632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.648632][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.648632][ T10] netlink_unicast+0x449/0x710 [ 3337.648632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.648632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.648632][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.648632][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.648632][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.648632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.648632][ T10] [ 3337.650202][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3337.650202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.650202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.650202][ T10] ipv6_find_idev+0x102/0x170 [ 3337.650202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.650202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.650202][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.650202][ T10] netlink_unicast+0x449/0x710 [ 3337.650202][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.650202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.650202][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.650202][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.650202][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.650202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.650202][ T10] [ 3337.651907][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3337.652197][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3337.652197][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.652197][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.652197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.652197][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.652197][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.652197][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.652197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.652197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.652197][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.652197][ T10] netlink_unicast+0x449/0x710 [ 3337.652197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.652197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.652197][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.652197][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.652197][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.652197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.652197][ T10] [ 3337.654208][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3337.654208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.654208][ T10] ipv6_find_idev+0x102/0x170 [ 3337.654208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.654208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.654208][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.654208][ T10] netlink_unicast+0x449/0x710 [ 3337.654208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.654208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.654208][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.654208][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.654208][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.654208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.654208][ T10] [ 3337.655759][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3337.655759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.655759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.655759][ T10] ipv6_find_idev+0x102/0x170 [ 3337.655759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.655759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.655759][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.655759][ T10] netlink_unicast+0x449/0x710 [ 3337.655759][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.655759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.655759][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.655759][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.655759][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.655759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.655759][ T10] [ 3337.657423][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3337.657683][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3337.657683][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.657683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.657683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.657683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.657683][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.657683][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.657683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.657683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.657683][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.657683][ T10] netlink_unicast+0x449/0x710 [ 3337.657683][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.657683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.657683][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.657683][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.657683][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.657683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.657683][ T10] [ 3337.659666][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3337.659666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.659666][ T10] ipv6_find_idev+0x102/0x170 [ 3337.659666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.659666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.659666][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.659666][ T10] netlink_unicast+0x449/0x710 [ 3337.659666][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.659666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.659666][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.659666][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.659666][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.659666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.659666][ T10] [ 3337.661181][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3337.661181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.661181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.661181][ T10] ipv6_find_idev+0x102/0x170 [ 3337.661181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.661181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.661181][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.661181][ T10] netlink_unicast+0x449/0x710 [ 3337.661181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.661181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.661181][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.661181][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.661181][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.661181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.661181][ T10] [ 3337.662876][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3337.663134][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3337.663134][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.663134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.663134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.663134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.663134][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.663134][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.663134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.663134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.663134][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.663134][ T10] netlink_unicast+0x449/0x710 [ 3337.663134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.663134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.663134][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.663134][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.663134][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.663134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.663134][ T10] [ 3337.665129][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3337.665129][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.665129][ T10] ipv6_find_idev+0x102/0x170 [ 3337.665129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.665129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.665129][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.665129][ T10] netlink_unicast+0x449/0x710 [ 3337.665129][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.665129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.665129][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.665129][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.665129][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.665129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.665129][ T10] [ 3337.666725][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3337.666725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.666725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.666725][ T10] ipv6_find_idev+0x102/0x170 [ 3337.666725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.666725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.666725][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.666725][ T10] netlink_unicast+0x449/0x710 [ 3337.666725][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.666725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.666725][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.666725][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.666725][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.666725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.666725][ T10] [ 3337.668810][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3337.669070][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3337.669070][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.669070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.669070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.669070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.669070][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.669070][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.669070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.669070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.669070][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.669070][ T10] netlink_unicast+0x449/0x710 [ 3337.669070][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.669070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.669070][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.669070][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.669070][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.669070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.669070][ T10] [ 3337.671153][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3337.671153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.671153][ T10] ipv6_find_idev+0x102/0x170 [ 3337.671153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.671153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.671153][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.671153][ T10] netlink_unicast+0x449/0x710 [ 3337.671153][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.671153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.671153][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.671153][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.671153][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.671153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.671153][ T10] [ 3337.672714][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3337.672714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.672714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.672714][ T10] ipv6_find_idev+0x102/0x170 [ 3337.672714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.672714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.672714][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.672714][ T10] netlink_unicast+0x449/0x710 [ 3337.672714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.672714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.672714][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.672714][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.672714][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.672714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.672714][ T10] [ 3337.674454][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3337.674725][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3337.674725][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.674725][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.674725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.674725][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.674725][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.674725][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.674725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.674725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.674725][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.674725][ T10] netlink_unicast+0x449/0x710 [ 3337.674725][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.674725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.674725][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.674725][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.674725][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.674725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.674725][ T10] [ 3337.676970][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3337.676970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.676970][ T10] ipv6_find_idev+0x102/0x170 [ 3337.676970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.676970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.676970][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.676970][ T10] netlink_unicast+0x449/0x710 [ 3337.676970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.676970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.676970][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.676970][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.676970][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.676970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.676970][ T10] [ 3337.678788][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3337.678788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.678788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.678788][ T10] ipv6_find_idev+0x102/0x170 [ 3337.678788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.678788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.678788][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.678788][ T10] netlink_unicast+0x449/0x710 [ 3337.678788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.678788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.678788][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.678788][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.678788][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.678788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.678788][ T10] [ 3337.680710][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3337.681038][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3337.681038][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.681038][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.681038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.681038][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.681038][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.681038][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.681038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.681038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.681038][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.681038][ T10] netlink_unicast+0x449/0x710 [ 3337.681038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.681038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.681038][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.681038][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.681038][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.681038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.681038][ T10] [ 3337.683183][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3337.683183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.683183][ T10] ipv6_find_idev+0x102/0x170 [ 3337.683183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.683183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.683183][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.683183][ T10] netlink_unicast+0x449/0x710 [ 3337.683183][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.683183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.683183][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.683183][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.683183][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.683183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.683183][ T10] [ 3337.684913][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3337.684913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.684913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.684913][ T10] ipv6_find_idev+0x102/0x170 [ 3337.684913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.684913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.684913][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.684913][ T10] netlink_unicast+0x449/0x710 [ 3337.684913][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.684913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.684913][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.684913][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.684913][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.684913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.684913][ T10] [ 3337.686870][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3337.687138][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3337.687138][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.687138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.687138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.687138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.687138][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.687138][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.687138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.687138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.687138][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.687138][ T10] netlink_unicast+0x449/0x710 [ 3337.687138][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.687138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.687138][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.687138][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.687138][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.687138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.687138][ T10] [ 3337.689432][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3337.689432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.689432][ T10] ipv6_find_idev+0x102/0x170 [ 3337.689432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.689432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.689432][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.689432][ T10] netlink_unicast+0x449/0x710 [ 3337.689432][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.689432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.689432][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.689432][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.689432][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.689432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.689432][ T10] [ 3337.691082][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3337.691082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.691082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.691082][ T10] ipv6_find_idev+0x102/0x170 [ 3337.691082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.691082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.691082][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.691082][ T10] netlink_unicast+0x449/0x710 [ 3337.691082][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.691082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.691082][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.691082][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.691082][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.691082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.691082][ T10] [ 3347.933995][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3347.934529][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3347.934529][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.934529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.934529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.934529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.934529][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.934529][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.934529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.934529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.934529][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.934529][ T10] netlink_unicast+0x449/0x710 [ 3347.934529][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.934529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.934529][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.934529][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.934529][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.934529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.934529][ T10] [ 3347.936632][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3347.936632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.936632][ T10] ipv6_find_idev+0x102/0x170 [ 3347.936632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.936632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.936632][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.936632][ T10] netlink_unicast+0x449/0x710 [ 3347.936632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.936632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.936632][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.936632][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.936632][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.936632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.936632][ T10] [ 3347.938302][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3347.938302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.938302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.938302][ T10] ipv6_find_idev+0x102/0x170 [ 3347.938302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.938302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.938302][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.938302][ T10] netlink_unicast+0x449/0x710 [ 3347.938302][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.938302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.938302][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.938302][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.938302][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.938302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.938302][ T10] [ 3347.940070][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3347.940347][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3347.940347][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.940347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.940347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.940347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.940347][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.940347][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.940347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.940347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.940347][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.940347][ T10] netlink_unicast+0x449/0x710 [ 3347.940347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.940347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.940347][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.940347][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.940347][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.940347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.940347][ T10] [ 3347.942307][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3347.942307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.942307][ T10] ipv6_find_idev+0x102/0x170 [ 3347.942307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.942307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.942307][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.942307][ T10] netlink_unicast+0x449/0x710 [ 3347.942307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.942307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.942307][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.942307][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.942307][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.942307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.942307][ T10] [ 3347.943850][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3347.943850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.943850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.943850][ T10] ipv6_find_idev+0x102/0x170 [ 3347.943850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.943850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.943850][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.943850][ T10] netlink_unicast+0x449/0x710 [ 3347.943850][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.943850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.943850][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.943850][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.943850][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.943850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.943850][ T10] [ 3347.945541][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3347.945791][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3347.945791][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.945791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.945791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.945791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.945791][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.945791][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.945791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.945791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.945791][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.945791][ T10] netlink_unicast+0x449/0x710 [ 3347.945791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.945791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.945791][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.945791][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.945791][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.945791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.945791][ T10] [ 3347.947767][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3347.947767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.947767][ T10] ipv6_find_idev+0x102/0x170 [ 3347.947767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.947767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.947767][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.947767][ T10] netlink_unicast+0x449/0x710 [ 3347.947767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.947767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.947767][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.947767][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.947767][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.947767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.947767][ T10] [ 3347.949208][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3347.949208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.949208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.949208][ T10] ipv6_find_idev+0x102/0x170 [ 3347.949208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.949208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.949208][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.949208][ T10] netlink_unicast+0x449/0x710 [ 3347.949208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.949208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.949208][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.949208][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.949208][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.949208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.949208][ T10] [ 3347.950838][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3347.951097][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3347.951097][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.951097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.951097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.951097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.951097][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.951097][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.951097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.951097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.951097][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.951097][ T10] netlink_unicast+0x449/0x710 [ 3347.951097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.951097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.951097][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.951097][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.951097][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.951097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.951097][ T10] [ 3347.953119][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3347.953119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.953119][ T10] ipv6_find_idev+0x102/0x170 [ 3347.953119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.953119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.953119][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.953119][ T10] netlink_unicast+0x449/0x710 [ 3347.953119][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.953119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.953119][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.953119][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.953119][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.953119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.953119][ T10] [ 3347.954559][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3347.954559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.954559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.954559][ T10] ipv6_find_idev+0x102/0x170 [ 3347.954559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.954559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.954559][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.954559][ T10] netlink_unicast+0x449/0x710 [ 3347.954559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.954559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.954559][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.954559][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.954559][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.954559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.954559][ T10] [ 3347.956653][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3347.957256][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3347.957256][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.957256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.957256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.957256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.957256][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.957256][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.957256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.957256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.957256][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.957256][ T10] netlink_unicast+0x449/0x710 [ 3347.957256][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.957256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.957256][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.957256][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.957256][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.957256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.957256][ T10] [ 3347.959260][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3347.959260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.959260][ T10] ipv6_find_idev+0x102/0x170 [ 3347.959260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.959260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.959260][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.959260][ T10] netlink_unicast+0x449/0x710 [ 3347.959260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.959260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.959260][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.959260][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.959260][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.959260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.959260][ T10] [ 3347.960768][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3347.960768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.960768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.960768][ T10] ipv6_find_idev+0x102/0x170 [ 3347.960768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.960768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.960768][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.960768][ T10] netlink_unicast+0x449/0x710 [ 3347.960768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.960768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.960768][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.960768][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.960768][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.960768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.960768][ T10] [ 3347.962987][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3347.963256][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3347.963256][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.963256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.963256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.963256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.963256][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.963256][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.963256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.963256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.963256][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.963256][ T10] netlink_unicast+0x449/0x710 [ 3347.963256][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.963256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.963256][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.963256][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.963256][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.963256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.963256][ T10] [ 3347.965329][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3347.965329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.965329][ T10] ipv6_find_idev+0x102/0x170 [ 3347.965329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.965329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.965329][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.965329][ T10] netlink_unicast+0x449/0x710 [ 3347.965329][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.965329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.965329][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.965329][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.965329][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.965329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.965329][ T10] [ 3347.967031][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3347.967031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.967031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.967031][ T10] ipv6_find_idev+0x102/0x170 [ 3347.967031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.967031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.967031][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.967031][ T10] netlink_unicast+0x449/0x710 [ 3347.967031][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.967031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.967031][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.967031][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.967031][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.967031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.967031][ T10] [ 3347.969072][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3347.969344][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3347.969344][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.969344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.969344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.969344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.969344][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.969344][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.969344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.969344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.969344][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.969344][ T10] netlink_unicast+0x449/0x710 [ 3347.969344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.969344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.969344][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.969344][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.969344][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.969344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.969344][ T10] [ 3347.971502][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3347.971502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.971502][ T10] ipv6_find_idev+0x102/0x170 [ 3347.971502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.971502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.971502][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.971502][ T10] netlink_unicast+0x449/0x710 [ 3347.971502][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.971502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.971502][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.971502][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.971502][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.971502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.971502][ T10] [ 3347.973225][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3347.973225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.973225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.973225][ T10] ipv6_find_idev+0x102/0x170 [ 3347.973225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.973225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.973225][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.973225][ T10] netlink_unicast+0x449/0x710 [ 3347.973225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.973225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.973225][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.973225][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.973225][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.973225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.973225][ T10] [ 3347.975230][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3347.975540][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3347.975540][ T10] netdev_get_by_index+0x5e/0x80 [ 3347.975540][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3347.975540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3347.975540][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3347.975540][ T10] ipv6_add_addr+0x411/0x2000 [ 3347.975540][ T10] inet6_addr_add+0x30e/0xa40 [ 3347.975540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.975540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.975540][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.975540][ T10] netlink_unicast+0x449/0x710 [ 3347.975540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.975540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.975540][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.975540][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.975540][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.975540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.975540][ T10] [ 3347.977733][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3347.977733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3347.977733][ T10] ipv6_find_idev+0x102/0x170 [ 3347.977733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.977733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.977733][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.977733][ T10] netlink_unicast+0x449/0x710 [ 3347.977733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.977733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.977733][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.977733][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.977733][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.977733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.977733][ T10] [ 3347.979450][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3347.979450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3347.979450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3347.979450][ T10] ipv6_find_idev+0x102/0x170 [ 3347.979450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.979450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.979450][ T10] netlink_rcv_skb+0x130/0x360 [ 3347.979450][ T10] netlink_unicast+0x449/0x710 [ 3347.979450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3347.979450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3347.979450][ T10] ___sys_sendmsg+0xee/0x170 [ 3347.979450][ T10] __sys_sendmsg+0xcd/0x170 [ 3347.979450][ T10] do_syscall_64+0xc6/0x1e0 [ 3347.979450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.979450][ T10] [ 3358.093919][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3358.094779][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3358.094779][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.094779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.094779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.094779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.094779][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.094779][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.094779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.094779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.094779][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.094779][ T10] netlink_unicast+0x449/0x710 [ 3358.094779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.094779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.094779][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.094779][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.094779][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.094779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.094779][ T10] [ 3358.096781][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3358.096781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.096781][ T10] ipv6_find_idev+0x102/0x170 [ 3358.096781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.096781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.096781][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.096781][ T10] netlink_unicast+0x449/0x710 [ 3358.096781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.096781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.096781][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.096781][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.096781][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.096781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.096781][ T10] [ 3358.098289][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3358.098289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.098289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.098289][ T10] ipv6_find_idev+0x102/0x170 [ 3358.098289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.098289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.098289][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.098289][ T10] netlink_unicast+0x449/0x710 [ 3358.098289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.098289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.098289][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.098289][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.098289][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.098289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.098289][ T10] [ 3358.099941][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3358.100205][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3358.100205][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.100205][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.100205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.100205][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.100205][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.100205][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.100205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.100205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.100205][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.100205][ T10] netlink_unicast+0x449/0x710 [ 3358.100205][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.100205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.100205][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.100205][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.100205][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.100205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.100205][ T10] [ 3358.102155][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3358.102155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.102155][ T10] ipv6_find_idev+0x102/0x170 [ 3358.102155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.102155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.102155][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.102155][ T10] netlink_unicast+0x449/0x710 [ 3358.102155][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.102155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.102155][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.102155][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.102155][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.102155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.102155][ T10] [ 3358.103704][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3358.103704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.103704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.103704][ T10] ipv6_find_idev+0x102/0x170 [ 3358.103704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.103704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.103704][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.103704][ T10] netlink_unicast+0x449/0x710 [ 3358.103704][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.103704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.103704][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.103704][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.103704][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.103704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.103704][ T10] [ 3358.105347][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3358.105602][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3358.105602][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.105602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.105602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.105602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.105602][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.105602][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.105602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.105602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.105602][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.105602][ T10] netlink_unicast+0x449/0x710 [ 3358.105602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.105602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.105602][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.105602][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.105602][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.105602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.105602][ T10] [ 3358.107597][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3358.107597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.107597][ T10] ipv6_find_idev+0x102/0x170 [ 3358.107597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.107597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.107597][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.107597][ T10] netlink_unicast+0x449/0x710 [ 3358.107597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.107597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.107597][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.107597][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.107597][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.107597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.107597][ T10] [ 3358.109098][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3358.109098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.109098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.109098][ T10] ipv6_find_idev+0x102/0x170 [ 3358.109098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.109098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.109098][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.109098][ T10] netlink_unicast+0x449/0x710 [ 3358.109098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.109098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.109098][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.109098][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.109098][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.109098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.109098][ T10] [ 3358.111121][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3358.111458][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3358.111458][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.111458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.111458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.111458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.111458][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.111458][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.111458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.111458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.111458][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.111458][ T10] netlink_unicast+0x449/0x710 [ 3358.111458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.111458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.111458][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.111458][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.111458][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.111458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.111458][ T10] [ 3358.114114][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3358.114114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.114114][ T10] ipv6_find_idev+0x102/0x170 [ 3358.114114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.114114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.114114][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.114114][ T10] netlink_unicast+0x449/0x710 [ 3358.114114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.114114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.114114][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.114114][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.114114][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.114114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.114114][ T10] [ 3358.115994][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3358.115994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.115994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.115994][ T10] ipv6_find_idev+0x102/0x170 [ 3358.115994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.115994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.115994][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.115994][ T10] netlink_unicast+0x449/0x710 [ 3358.115994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.115994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.115994][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.115994][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.115994][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.115994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.115994][ T10] [ 3358.118220][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3358.118603][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3358.118603][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.118603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.118603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.118603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.118603][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.118603][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.118603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.118603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.118603][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.118603][ T10] netlink_unicast+0x449/0x710 [ 3358.118603][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.118603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.118603][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.118603][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.118603][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.118603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.118603][ T10] [ 3358.121160][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3358.121160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.121160][ T10] ipv6_find_idev+0x102/0x170 [ 3358.121160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.121160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.121160][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.121160][ T10] netlink_unicast+0x449/0x710 [ 3358.121160][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.121160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.121160][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.121160][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.121160][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.121160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.121160][ T10] [ 3358.123257][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3358.123257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.123257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.123257][ T10] ipv6_find_idev+0x102/0x170 [ 3358.123257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.123257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.123257][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.123257][ T10] netlink_unicast+0x449/0x710 [ 3358.123257][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.123257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.123257][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.123257][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.123257][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.123257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.123257][ T10] [ 3358.125585][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3358.125938][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3358.125938][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.125938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.125938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.125938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.125938][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.125938][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.125938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.125938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.125938][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.125938][ T10] netlink_unicast+0x449/0x710 [ 3358.125938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.125938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.125938][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.125938][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.125938][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.125938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.125938][ T10] [ 3358.129766][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3358.129766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.129766][ T10] ipv6_find_idev+0x102/0x170 [ 3358.129766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.129766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.129766][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.129766][ T10] netlink_unicast+0x449/0x710 [ 3358.129766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.129766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.129766][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.129766][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.129766][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.129766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.129766][ T10] [ 3358.131728][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3358.131728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.131728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.131728][ T10] ipv6_find_idev+0x102/0x170 [ 3358.131728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.131728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.131728][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.131728][ T10] netlink_unicast+0x449/0x710 [ 3358.131728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.131728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.131728][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.131728][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.131728][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.131728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.131728][ T10] [ 3358.134206][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3358.134539][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3358.134539][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.134539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.134539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.134539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.134539][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.134539][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.134539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.134539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.134539][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.134539][ T10] netlink_unicast+0x449/0x710 [ 3358.134539][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.134539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.134539][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.134539][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.134539][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.134539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.134539][ T10] [ 3358.137174][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3358.137174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.137174][ T10] ipv6_find_idev+0x102/0x170 [ 3358.137174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.137174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.137174][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.137174][ T10] netlink_unicast+0x449/0x710 [ 3358.137174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.137174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.137174][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.137174][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.137174][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.137174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.137174][ T10] [ 3358.139300][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3358.139300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.139300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.139300][ T10] ipv6_find_idev+0x102/0x170 [ 3358.139300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.139300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.139300][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.139300][ T10] netlink_unicast+0x449/0x710 [ 3358.139300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.139300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.139300][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.139300][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.139300][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.139300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.139300][ T10] [ 3358.141754][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3358.142160][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3358.142160][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.142160][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.142160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.142160][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.142160][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.142160][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.142160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.142160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.142160][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.142160][ T10] netlink_unicast+0x449/0x710 [ 3358.142160][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.142160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.142160][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.142160][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.142160][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.142160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.142160][ T10] [ 3358.144944][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3358.144944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.144944][ T10] ipv6_find_idev+0x102/0x170 [ 3358.144944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.144944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.144944][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.144944][ T10] netlink_unicast+0x449/0x710 [ 3358.144944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.144944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.144944][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.144944][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.144944][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.144944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.144944][ T10] [ 3358.146921][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3358.146921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.146921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.146921][ T10] ipv6_find_idev+0x102/0x170 [ 3358.146921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.146921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.146921][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.146921][ T10] netlink_unicast+0x449/0x710 [ 3358.146921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.146921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.146921][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.146921][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.146921][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.146921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.146921][ T10] [ 3368.397975][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3368.398732][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3368.398732][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.398732][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.398732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.398732][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.398732][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.398732][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.398732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.398732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.398732][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.398732][ T10] netlink_unicast+0x449/0x710 [ 3368.398732][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.398732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.398732][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.398732][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.398732][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.398732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.398732][ T10] [ 3368.400654][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3368.400654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.400654][ T10] ipv6_find_idev+0x102/0x170 [ 3368.400654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.400654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.400654][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.400654][ T10] netlink_unicast+0x449/0x710 [ 3368.400654][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.400654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.400654][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.400654][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.400654][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.400654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.400654][ T10] [ 3368.402195][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3368.402195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.402195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.402195][ T10] ipv6_find_idev+0x102/0x170 [ 3368.402195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.402195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.402195][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.402195][ T10] netlink_unicast+0x449/0x710 [ 3368.402195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.402195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.402195][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.402195][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.402195][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.402195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.402195][ T10] [ 3368.403878][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3368.404154][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3368.404154][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.404154][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.404154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.404154][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.404154][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.404154][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.404154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.404154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.404154][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.404154][ T10] netlink_unicast+0x449/0x710 [ 3368.404154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.404154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.404154][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.404154][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.404154][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.404154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.404154][ T10] [ 3368.406533][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3368.406533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.406533][ T10] ipv6_find_idev+0x102/0x170 [ 3368.406533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.406533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.406533][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.406533][ T10] netlink_unicast+0x449/0x710 [ 3368.406533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.406533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.406533][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.406533][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.406533][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.406533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.406533][ T10] [ 3368.408089][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3368.408089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.408089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.408089][ T10] ipv6_find_idev+0x102/0x170 [ 3368.408089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.408089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.408089][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.408089][ T10] netlink_unicast+0x449/0x710 [ 3368.408089][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.408089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.408089][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.408089][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.408089][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.408089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.408089][ T10] [ 3368.409656][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3368.409917][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3368.409917][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.409917][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.409917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.409917][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.409917][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.409917][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.409917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.409917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.409917][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.409917][ T10] netlink_unicast+0x449/0x710 [ 3368.409917][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.409917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.409917][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.409917][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.409917][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.409917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.409917][ T10] [ 3368.411823][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3368.411823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.411823][ T10] ipv6_find_idev+0x102/0x170 [ 3368.411823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.411823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.411823][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.411823][ T10] netlink_unicast+0x449/0x710 [ 3368.411823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.411823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.411823][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.411823][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.411823][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.411823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.411823][ T10] [ 3368.413316][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3368.413316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.413316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.413316][ T10] ipv6_find_idev+0x102/0x170 [ 3368.413316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.413316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.413316][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.413316][ T10] netlink_unicast+0x449/0x710 [ 3368.413316][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.413316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.413316][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.413316][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.413316][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.413316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.413316][ T10] [ 3368.414888][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3368.415131][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3368.415131][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.415131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.415131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.415131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.415131][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.415131][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.415131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.415131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.415131][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.415131][ T10] netlink_unicast+0x449/0x710 [ 3368.415131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.415131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.415131][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.415131][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.415131][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.415131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.415131][ T10] [ 3368.417265][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3368.417265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.417265][ T10] ipv6_find_idev+0x102/0x170 [ 3368.417265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.417265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.417265][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.417265][ T10] netlink_unicast+0x449/0x710 [ 3368.417265][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.417265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.417265][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.417265][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.417265][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.417265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.417265][ T10] [ 3368.418806][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3368.418806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.418806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.418806][ T10] ipv6_find_idev+0x102/0x170 [ 3368.418806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.418806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.418806][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.418806][ T10] netlink_unicast+0x449/0x710 [ 3368.418806][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.418806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.418806][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.418806][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.418806][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.418806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.418806][ T10] [ 3368.420564][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3368.420880][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3368.420880][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.420880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.420880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.420880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.420880][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.420880][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.420880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.420880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.420880][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.420880][ T10] netlink_unicast+0x449/0x710 [ 3368.420880][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.420880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.420880][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.420880][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.420880][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.420880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.420880][ T10] [ 3368.422876][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3368.422876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.422876][ T10] ipv6_find_idev+0x102/0x170 [ 3368.422876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.422876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.422876][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.422876][ T10] netlink_unicast+0x449/0x710 [ 3368.422876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.422876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.422876][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.422876][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.422876][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.422876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.422876][ T10] [ 3368.424383][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3368.424383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.424383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.424383][ T10] ipv6_find_idev+0x102/0x170 [ 3368.424383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.424383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.424383][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.424383][ T10] netlink_unicast+0x449/0x710 [ 3368.424383][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.424383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.424383][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.424383][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.424383][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.424383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.424383][ T10] [ 3368.426281][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3368.426543][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3368.426543][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.426543][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.426543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.426543][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.426543][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.426543][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.426543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.426543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.426543][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.426543][ T10] netlink_unicast+0x449/0x710 [ 3368.426543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.426543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.426543][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.426543][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.426543][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.426543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.426543][ T10] [ 3368.428767][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3368.428767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.428767][ T10] ipv6_find_idev+0x102/0x170 [ 3368.428767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.428767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.428767][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.428767][ T10] netlink_unicast+0x449/0x710 [ 3368.428767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.428767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.428767][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.428767][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.428767][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.428767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.428767][ T10] [ 3368.430522][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3368.430522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.430522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.430522][ T10] ipv6_find_idev+0x102/0x170 [ 3368.430522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.430522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.430522][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.430522][ T10] netlink_unicast+0x449/0x710 [ 3368.430522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.430522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.430522][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.430522][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.430522][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.430522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.430522][ T10] [ 3368.432440][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3368.432700][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3368.432700][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.432700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.432700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.432700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.432700][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.432700][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.432700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.432700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.432700][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.432700][ T10] netlink_unicast+0x449/0x710 [ 3368.432700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.432700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.432700][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.432700][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.432700][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.432700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.432700][ T10] [ 3368.434944][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3368.434944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.434944][ T10] ipv6_find_idev+0x102/0x170 [ 3368.434944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.434944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.434944][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.434944][ T10] netlink_unicast+0x449/0x710 [ 3368.434944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.434944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.434944][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.434944][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.434944][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.434944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.434944][ T10] [ 3368.436742][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3368.436742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.436742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.436742][ T10] ipv6_find_idev+0x102/0x170 [ 3368.436742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.436742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.436742][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.436742][ T10] netlink_unicast+0x449/0x710 [ 3368.436742][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.436742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.436742][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.436742][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.436742][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.436742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.436742][ T10] [ 3368.438593][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3368.438920][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3368.438920][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.438920][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.438920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.438920][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.438920][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.438920][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.438920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.438920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.438920][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.438920][ T10] netlink_unicast+0x449/0x710 [ 3368.438920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.438920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.438920][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.438920][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.438920][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.438920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.438920][ T10] [ 3368.441041][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3368.441041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.441041][ T10] ipv6_find_idev+0x102/0x170 [ 3368.441041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.441041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.441041][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.441041][ T10] netlink_unicast+0x449/0x710 [ 3368.441041][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.441041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.441041][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.441041][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.441041][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.441041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.441041][ T10] [ 3368.442665][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3368.442665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.442665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.442665][ T10] ipv6_find_idev+0x102/0x170 [ 3368.442665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.442665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.442665][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.442665][ T10] netlink_unicast+0x449/0x710 [ 3368.442665][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.442665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.442665][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.442665][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.442665][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.442665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.442665][ T10] [ 3378.541880][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3378.542401][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3378.542401][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.542401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.542401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.542401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.542401][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.542401][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.542401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.542401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.542401][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.542401][ T10] netlink_unicast+0x449/0x710 [ 3378.542401][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.542401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.542401][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.542401][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.542401][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.542401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.542401][ T10] [ 3378.544736][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3378.544736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.544736][ T10] ipv6_find_idev+0x102/0x170 [ 3378.544736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.544736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.544736][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.544736][ T10] netlink_unicast+0x449/0x710 [ 3378.544736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.544736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.544736][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.544736][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.544736][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.544736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.544736][ T10] [ 3378.546508][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3378.546508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.546508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.546508][ T10] ipv6_find_idev+0x102/0x170 [ 3378.546508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.546508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.546508][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.546508][ T10] netlink_unicast+0x449/0x710 [ 3378.546508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.546508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.546508][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.546508][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.546508][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.546508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.546508][ T10] [ 3378.548448][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3378.548756][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3378.548756][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.548756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.548756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.548756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.548756][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.548756][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.548756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.548756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.548756][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.548756][ T10] netlink_unicast+0x449/0x710 [ 3378.548756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.548756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.548756][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.548756][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.548756][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.548756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.548756][ T10] [ 3378.551039][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3378.551039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.551039][ T10] ipv6_find_idev+0x102/0x170 [ 3378.551039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.551039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.551039][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.551039][ T10] netlink_unicast+0x449/0x710 [ 3378.551039][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.551039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.551039][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.551039][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.551039][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.551039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.551039][ T10] [ 3378.552815][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3378.552815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.552815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.552815][ T10] ipv6_find_idev+0x102/0x170 [ 3378.552815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.552815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.552815][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.552815][ T10] netlink_unicast+0x449/0x710 [ 3378.552815][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.552815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.552815][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.552815][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.552815][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.552815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.552815][ T10] [ 3378.554732][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3378.555052][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3378.555052][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.555052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.555052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.555052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.555052][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.555052][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.555052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.555052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.555052][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.555052][ T10] netlink_unicast+0x449/0x710 [ 3378.555052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.555052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.555052][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.555052][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.555052][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.555052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.555052][ T10] [ 3378.557344][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3378.557344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.557344][ T10] ipv6_find_idev+0x102/0x170 [ 3378.557344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.557344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.557344][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.557344][ T10] netlink_unicast+0x449/0x710 [ 3378.557344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.557344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.557344][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.557344][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.557344][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.557344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.557344][ T10] [ 3378.559101][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3378.559101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.559101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.559101][ T10] ipv6_find_idev+0x102/0x170 [ 3378.559101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.559101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.559101][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.559101][ T10] netlink_unicast+0x449/0x710 [ 3378.559101][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.559101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.559101][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.559101][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.559101][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.559101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.559101][ T10] [ 3378.561043][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3378.561341][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3378.561341][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.561341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.561341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.561341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.561341][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.561341][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.561341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.561341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.561341][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.561341][ T10] netlink_unicast+0x449/0x710 [ 3378.561341][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.561341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.561341][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.561341][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.561341][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.561341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.561341][ T10] [ 3378.563626][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3378.563626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.563626][ T10] ipv6_find_idev+0x102/0x170 [ 3378.563626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.563626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.563626][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.563626][ T10] netlink_unicast+0x449/0x710 [ 3378.563626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.563626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.563626][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.563626][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.563626][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.563626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.563626][ T10] [ 3378.565383][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3378.565383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.565383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.565383][ T10] ipv6_find_idev+0x102/0x170 [ 3378.565383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.565383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.565383][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.565383][ T10] netlink_unicast+0x449/0x710 [ 3378.565383][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.565383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.565383][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.565383][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.565383][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.565383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.565383][ T10] [ 3378.567338][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3378.567652][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3378.567652][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.567652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.567652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.567652][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.567652][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.567652][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.567652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.567652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.567652][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.567652][ T10] netlink_unicast+0x449/0x710 [ 3378.567652][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.567652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.567652][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.567652][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.567652][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.567652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.567652][ T10] [ 3378.569931][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3378.569931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.569931][ T10] ipv6_find_idev+0x102/0x170 [ 3378.569931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.569931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.569931][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.569931][ T10] netlink_unicast+0x449/0x710 [ 3378.569931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.569931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.569931][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.569931][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.569931][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.569931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.569931][ T10] [ 3378.571887][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3378.571887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.571887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.571887][ T10] ipv6_find_idev+0x102/0x170 [ 3378.571887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.571887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.571887][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.571887][ T10] netlink_unicast+0x449/0x710 [ 3378.571887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.571887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.571887][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.571887][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.571887][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.571887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.571887][ T10] [ 3378.574117][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3378.574460][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3378.574460][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.574460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.574460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.574460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.574460][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.574460][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.574460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.574460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.574460][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.574460][ T10] netlink_unicast+0x449/0x710 [ 3378.574460][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.574460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.574460][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.574460][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.574460][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.574460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.574460][ T10] [ 3378.576930][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3378.576930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.576930][ T10] ipv6_find_idev+0x102/0x170 [ 3378.576930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.576930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.576930][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.576930][ T10] netlink_unicast+0x449/0x710 [ 3378.576930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.576930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.576930][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.576930][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.576930][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.576930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.576930][ T10] [ 3378.578882][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3378.578882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.578882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.578882][ T10] ipv6_find_idev+0x102/0x170 [ 3378.578882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.578882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.578882][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.578882][ T10] netlink_unicast+0x449/0x710 [ 3378.578882][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.578882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.578882][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.578882][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.578882][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.578882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.578882][ T10] [ 3378.581045][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3378.581387][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3378.581387][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.581387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.581387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.581387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.581387][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.581387][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.581387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.581387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.581387][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.581387][ T10] netlink_unicast+0x449/0x710 [ 3378.581387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.581387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.581387][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.581387][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.581387][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.581387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.581387][ T10] [ 3378.583852][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3378.583852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.583852][ T10] ipv6_find_idev+0x102/0x170 [ 3378.583852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.583852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.583852][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.583852][ T10] netlink_unicast+0x449/0x710 [ 3378.583852][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.583852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.583852][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.583852][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.583852][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.583852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.583852][ T10] [ 3378.585854][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3378.585854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.585854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.585854][ T10] ipv6_find_idev+0x102/0x170 [ 3378.585854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.585854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.585854][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.585854][ T10] netlink_unicast+0x449/0x710 [ 3378.585854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.585854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.585854][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.585854][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.585854][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.585854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.585854][ T10] [ 3378.588090][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3378.588427][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3378.588427][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.588427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.588427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.588427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.588427][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.588427][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.588427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.588427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.588427][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.588427][ T10] netlink_unicast+0x449/0x710 [ 3378.588427][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.588427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.588427][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.588427][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.588427][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.588427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.588427][ T10] [ 3378.590880][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3378.590880][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.590880][ T10] ipv6_find_idev+0x102/0x170 [ 3378.590880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.590880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.590880][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.590880][ T10] netlink_unicast+0x449/0x710 [ 3378.590880][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.590880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.590880][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.590880][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.590880][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.590880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.590880][ T10] [ 3378.592813][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3378.592813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.592813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.592813][ T10] ipv6_find_idev+0x102/0x170 [ 3378.592813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.592813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.592813][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.592813][ T10] netlink_unicast+0x449/0x710 [ 3378.592813][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.592813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.592813][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.592813][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.592813][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.592813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.592813][ T10] [ 3388.837887][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3388.838382][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3388.838382][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.838382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.838382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.838382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.838382][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.838382][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.838382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.838382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.838382][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.838382][ T10] netlink_unicast+0x449/0x710 [ 3388.838382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.838382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.838382][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.838382][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.838382][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.838382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.838382][ T10] [ 3388.840687][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3388.840687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.840687][ T10] ipv6_find_idev+0x102/0x170 [ 3388.840687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.840687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.840687][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.840687][ T10] netlink_unicast+0x449/0x710 [ 3388.840687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.840687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.840687][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.840687][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.840687][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.840687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.840687][ T10] [ 3388.842436][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3388.842436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.842436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.842436][ T10] ipv6_find_idev+0x102/0x170 [ 3388.842436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.842436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.842436][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.842436][ T10] netlink_unicast+0x449/0x710 [ 3388.842436][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.842436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.842436][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.842436][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.842436][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.842436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.842436][ T10] [ 3388.844394][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3388.844710][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3388.844710][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.844710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.844710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.844710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.844710][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.844710][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.844710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.844710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.844710][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.844710][ T10] netlink_unicast+0x449/0x710 [ 3388.844710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.844710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.844710][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.844710][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.844710][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.844710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.844710][ T10] [ 3388.847011][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3388.847011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.847011][ T10] ipv6_find_idev+0x102/0x170 [ 3388.847011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.847011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.847011][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.847011][ T10] netlink_unicast+0x449/0x710 [ 3388.847011][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.847011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.847011][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.847011][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.847011][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.847011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.847011][ T10] [ 3388.848820][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3388.848820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.848820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.848820][ T10] ipv6_find_idev+0x102/0x170 [ 3388.848820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.848820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.848820][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.848820][ T10] netlink_unicast+0x449/0x710 [ 3388.848820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.848820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.848820][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.848820][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.848820][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.848820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.848820][ T10] [ 3388.850793][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3388.851093][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3388.851093][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.851093][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.851093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.851093][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.851093][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.851093][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.851093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.851093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.851093][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.851093][ T10] netlink_unicast+0x449/0x710 [ 3388.851093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.851093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.851093][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.851093][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.851093][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.851093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.851093][ T10] [ 3388.853400][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3388.853400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.853400][ T10] ipv6_find_idev+0x102/0x170 [ 3388.853400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.853400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.853400][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.853400][ T10] netlink_unicast+0x449/0x710 [ 3388.853400][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.853400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.853400][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.853400][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.853400][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.853400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.853400][ T10] [ 3388.855190][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3388.855190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.855190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.855190][ T10] ipv6_find_idev+0x102/0x170 [ 3388.855190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.855190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.855190][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.855190][ T10] netlink_unicast+0x449/0x710 [ 3388.855190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.855190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.855190][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.855190][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.855190][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.855190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.855190][ T10] [ 3388.857136][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3388.857436][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3388.857436][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.857436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.857436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.857436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.857436][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.857436][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.857436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.857436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.857436][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.857436][ T10] netlink_unicast+0x449/0x710 [ 3388.857436][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.857436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.857436][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.857436][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.857436][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.857436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.857436][ T10] [ 3388.859758][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3388.859758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.859758][ T10] ipv6_find_idev+0x102/0x170 [ 3388.859758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.859758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.859758][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.859758][ T10] netlink_unicast+0x449/0x710 [ 3388.859758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.859758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.859758][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.859758][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.859758][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.859758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.859758][ T10] [ 3388.861529][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3388.861529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.861529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.861529][ T10] ipv6_find_idev+0x102/0x170 [ 3388.861529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.861529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.861529][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.861529][ T10] netlink_unicast+0x449/0x710 [ 3388.861529][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.861529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.861529][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.861529][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.861529][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.861529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.861529][ T10] [ 3388.863871][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3388.864489][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3388.864489][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.864489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.864489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.864489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.864489][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.864489][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.864489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.864489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.864489][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.864489][ T10] netlink_unicast+0x449/0x710 [ 3388.864489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.864489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.864489][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.864489][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.864489][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.864489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.864489][ T10] [ 3388.866766][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3388.866766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.866766][ T10] ipv6_find_idev+0x102/0x170 [ 3388.866766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.866766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.866766][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.866766][ T10] netlink_unicast+0x449/0x710 [ 3388.866766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.866766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.866766][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.866766][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.866766][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.866766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.866766][ T10] [ 3388.868554][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3388.868554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.868554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.868554][ T10] ipv6_find_idev+0x102/0x170 [ 3388.868554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.868554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.868554][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.868554][ T10] netlink_unicast+0x449/0x710 [ 3388.868554][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.868554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.868554][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.868554][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.868554][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.868554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.868554][ T10] [ 3388.870447][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3388.870763][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3388.870763][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.870763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.870763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.870763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.870763][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.870763][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.870763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.870763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.870763][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.870763][ T10] netlink_unicast+0x449/0x710 [ 3388.870763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.870763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.870763][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.870763][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.870763][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.870763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.870763][ T10] [ 3388.873077][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3388.873077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.873077][ T10] ipv6_find_idev+0x102/0x170 [ 3388.873077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.873077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.873077][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.873077][ T10] netlink_unicast+0x449/0x710 [ 3388.873077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.873077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.873077][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.873077][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.873077][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.873077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.873077][ T10] [ 3388.874816][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3388.874816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.874816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.874816][ T10] ipv6_find_idev+0x102/0x170 [ 3388.874816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.874816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.874816][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.874816][ T10] netlink_unicast+0x449/0x710 [ 3388.874816][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.874816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.874816][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.874816][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.874816][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.874816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.874816][ T10] [ 3388.877037][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3388.877387][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3388.877387][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.877387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.877387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.877387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.877387][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.877387][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.877387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.877387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.877387][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.877387][ T10] netlink_unicast+0x449/0x710 [ 3388.877387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.877387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.877387][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.877387][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.877387][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.877387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.877387][ T10] [ 3388.879854][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3388.879854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.879854][ T10] ipv6_find_idev+0x102/0x170 [ 3388.879854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.879854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.879854][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.879854][ T10] netlink_unicast+0x449/0x710 [ 3388.879854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.879854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.879854][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.879854][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.879854][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.879854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.879854][ T10] [ 3388.881783][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3388.881783][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.881783][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.881783][ T10] ipv6_find_idev+0x102/0x170 [ 3388.881783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.881783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.881783][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.881783][ T10] netlink_unicast+0x449/0x710 [ 3388.881783][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.881783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.881783][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.881783][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.881783][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.881783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.881783][ T10] [ 3388.883921][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3388.884271][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3388.884271][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.884271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.884271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.884271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.884271][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.884271][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.884271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.884271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.884271][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.884271][ T10] netlink_unicast+0x449/0x710 [ 3388.884271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.884271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.884271][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.884271][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.884271][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.884271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.884271][ T10] [ 3388.886760][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3388.886760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.886760][ T10] ipv6_find_idev+0x102/0x170 [ 3388.886760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.886760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.886760][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.886760][ T10] netlink_unicast+0x449/0x710 [ 3388.886760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.886760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.886760][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.886760][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.886760][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.886760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.886760][ T10] [ 3388.888771][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3388.888771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.888771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.888771][ T10] ipv6_find_idev+0x102/0x170 [ 3388.888771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.888771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.888771][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.888771][ T10] netlink_unicast+0x449/0x710 [ 3388.888771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.888771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.888771][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.888771][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.888771][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.888771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.888771][ T10] [ 3398.918027][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3398.918778][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3398.918778][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.918778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.918778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.918778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.918778][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.918778][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.918778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.918778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.918778][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.918778][ T10] netlink_unicast+0x449/0x710 [ 3398.918778][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.918778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.918778][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.918778][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.918778][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.918778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.918778][ T10] [ 3398.920810][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3398.920810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.920810][ T10] ipv6_find_idev+0x102/0x170 [ 3398.920810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.920810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.920810][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.920810][ T10] netlink_unicast+0x449/0x710 [ 3398.920810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.920810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.920810][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.920810][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.920810][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.920810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.920810][ T10] [ 3398.922317][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3398.922317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.922317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.922317][ T10] ipv6_find_idev+0x102/0x170 [ 3398.922317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.922317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.922317][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.922317][ T10] netlink_unicast+0x449/0x710 [ 3398.922317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.922317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.922317][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.922317][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.922317][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.922317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.922317][ T10] [ 3398.923928][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3398.924247][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3398.924247][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.924247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.924247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.924247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.924247][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.924247][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.924247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.924247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.924247][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.924247][ T10] netlink_unicast+0x449/0x710 [ 3398.924247][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.924247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.924247][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.924247][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.924247][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.924247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.924247][ T10] [ 3398.926302][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3398.926302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.926302][ T10] ipv6_find_idev+0x102/0x170 [ 3398.926302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.926302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.926302][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.926302][ T10] netlink_unicast+0x449/0x710 [ 3398.926302][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.926302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.926302][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.926302][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.926302][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.926302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.926302][ T10] [ 3398.927844][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3398.927844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.927844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.927844][ T10] ipv6_find_idev+0x102/0x170 [ 3398.927844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.927844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.927844][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.927844][ T10] netlink_unicast+0x449/0x710 [ 3398.927844][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.927844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.927844][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.927844][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.927844][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.927844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.927844][ T10] [ 3398.929454][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3398.929720][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3398.929720][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.929720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.929720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.929720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.929720][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.929720][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.929720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.929720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.929720][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.929720][ T10] netlink_unicast+0x449/0x710 [ 3398.929720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.929720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.929720][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.929720][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.929720][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.929720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.929720][ T10] [ 3398.931681][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3398.931681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.931681][ T10] ipv6_find_idev+0x102/0x170 [ 3398.931681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.931681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.931681][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.931681][ T10] netlink_unicast+0x449/0x710 [ 3398.931681][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.931681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.931681][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.931681][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.931681][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.931681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.931681][ T10] [ 3398.933130][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3398.933130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.933130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.933130][ T10] ipv6_find_idev+0x102/0x170 [ 3398.933130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.933130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.933130][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.933130][ T10] netlink_unicast+0x449/0x710 [ 3398.933130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.933130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.933130][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.933130][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.933130][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.933130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.933130][ T10] [ 3398.934818][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3398.935107][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3398.935107][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.935107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.935107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.935107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.935107][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.935107][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.935107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.935107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.935107][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.935107][ T10] netlink_unicast+0x449/0x710 [ 3398.935107][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.935107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.935107][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.935107][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.935107][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.935107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.935107][ T10] [ 3398.937315][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3398.937315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.937315][ T10] ipv6_find_idev+0x102/0x170 [ 3398.937315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.937315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.937315][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.937315][ T10] netlink_unicast+0x449/0x710 [ 3398.937315][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.937315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.937315][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.937315][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.937315][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.937315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.937315][ T10] [ 3398.938903][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3398.938903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.938903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.938903][ T10] ipv6_find_idev+0x102/0x170 [ 3398.938903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.938903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.938903][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.938903][ T10] netlink_unicast+0x449/0x710 [ 3398.938903][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.938903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.938903][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.938903][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.938903][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.938903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.938903][ T10] [ 3398.940998][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3398.941263][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3398.941263][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.941263][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.941263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.941263][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.941263][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.941263][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.941263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.941263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.941263][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.941263][ T10] netlink_unicast+0x449/0x710 [ 3398.941263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.941263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.941263][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.941263][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.941263][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.941263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.941263][ T10] [ 3398.943295][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3398.943295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.943295][ T10] ipv6_find_idev+0x102/0x170 [ 3398.943295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.943295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.943295][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.943295][ T10] netlink_unicast+0x449/0x710 [ 3398.943295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.943295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.943295][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.943295][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.943295][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.943295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.943295][ T10] [ 3398.944851][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3398.944851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.944851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.944851][ T10] ipv6_find_idev+0x102/0x170 [ 3398.944851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.944851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.944851][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.944851][ T10] netlink_unicast+0x449/0x710 [ 3398.944851][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.944851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.944851][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.944851][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.944851][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.944851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.944851][ T10] [ 3398.946646][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3398.946974][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3398.946974][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.946974][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.946974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.946974][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.946974][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.946974][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.946974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.946974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.946974][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.946974][ T10] netlink_unicast+0x449/0x710 [ 3398.946974][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.946974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.946974][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.946974][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.946974][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.946974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.946974][ T10] [ 3398.949131][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3398.949131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.949131][ T10] ipv6_find_idev+0x102/0x170 [ 3398.949131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.949131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.949131][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.949131][ T10] netlink_unicast+0x449/0x710 [ 3398.949131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.949131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.949131][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.949131][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.949131][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.949131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.949131][ T10] [ 3398.950869][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3398.950869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.950869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.950869][ T10] ipv6_find_idev+0x102/0x170 [ 3398.950869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.950869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.950869][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.950869][ T10] netlink_unicast+0x449/0x710 [ 3398.950869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.950869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.950869][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.950869][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.950869][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.950869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.950869][ T10] [ 3398.952891][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3398.953160][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3398.953160][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.953160][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.953160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.953160][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.953160][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.953160][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.953160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.953160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.953160][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.953160][ T10] netlink_unicast+0x449/0x710 [ 3398.953160][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.953160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.953160][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.953160][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.953160][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.953160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.953160][ T10] [ 3398.955429][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3398.955429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.955429][ T10] ipv6_find_idev+0x102/0x170 [ 3398.955429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.955429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.955429][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.955429][ T10] netlink_unicast+0x449/0x710 [ 3398.955429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.955429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.955429][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.955429][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.955429][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.955429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.955429][ T10] [ 3398.957179][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3398.957179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.957179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.957179][ T10] ipv6_find_idev+0x102/0x170 [ 3398.957179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.957179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.957179][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.957179][ T10] netlink_unicast+0x449/0x710 [ 3398.957179][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.957179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.957179][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.957179][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.957179][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.957179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.957179][ T10] [ 3398.959133][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3398.959401][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3398.959401][ T10] netdev_get_by_index+0x5e/0x80 [ 3398.959401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3398.959401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3398.959401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3398.959401][ T10] ipv6_add_addr+0x411/0x2000 [ 3398.959401][ T10] inet6_addr_add+0x30e/0xa40 [ 3398.959401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.959401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.959401][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.959401][ T10] netlink_unicast+0x449/0x710 [ 3398.959401][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.959401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.959401][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.959401][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.959401][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.959401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.959401][ T10] [ 3398.961672][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3398.961672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3398.961672][ T10] ipv6_find_idev+0x102/0x170 [ 3398.961672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.961672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.961672][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.961672][ T10] netlink_unicast+0x449/0x710 [ 3398.961672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.961672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.961672][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.961672][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.961672][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.961672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.961672][ T10] [ 3398.963466][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3398.963466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3398.963466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3398.963466][ T10] ipv6_find_idev+0x102/0x170 [ 3398.963466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.963466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.963466][ T10] netlink_rcv_skb+0x130/0x360 [ 3398.963466][ T10] netlink_unicast+0x449/0x710 [ 3398.963466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3398.963466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3398.963466][ T10] ___sys_sendmsg+0xee/0x170 [ 3398.963466][ T10] __sys_sendmsg+0xcd/0x170 [ 3398.963466][ T10] do_syscall_64+0xc6/0x1e0 [ 3398.963466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.963466][ T10] [ 3409.205897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3409.206420][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3409.206420][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.206420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.206420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.206420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.206420][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.206420][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.206420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.206420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.206420][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.206420][ T10] netlink_unicast+0x449/0x710 [ 3409.206420][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.206420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.206420][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.206420][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.206420][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.206420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.206420][ T10] [ 3409.208474][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3409.208474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.208474][ T10] ipv6_find_idev+0x102/0x170 [ 3409.208474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.208474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.208474][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.208474][ T10] netlink_unicast+0x449/0x710 [ 3409.208474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.208474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.208474][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.208474][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.208474][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.208474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.208474][ T10] [ 3409.210029][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3409.210029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.210029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.210029][ T10] ipv6_find_idev+0x102/0x170 [ 3409.210029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.210029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.210029][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.210029][ T10] netlink_unicast+0x449/0x710 [ 3409.210029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.210029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.210029][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.210029][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.210029][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.210029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.210029][ T10] [ 3409.211715][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3409.212051][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3409.212051][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.212051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.212051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.212051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.212051][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.212051][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.212051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.212051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.212051][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.212051][ T10] netlink_unicast+0x449/0x710 [ 3409.212051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.212051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.212051][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.212051][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.212051][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.212051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.212051][ T10] [ 3409.214100][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3409.214100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.214100][ T10] ipv6_find_idev+0x102/0x170 [ 3409.214100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.214100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.214100][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.214100][ T10] netlink_unicast+0x449/0x710 [ 3409.214100][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.214100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.214100][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.214100][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.214100][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.214100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.214100][ T10] [ 3409.215669][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3409.215669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.215669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.215669][ T10] ipv6_find_idev+0x102/0x170 [ 3409.215669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.215669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.215669][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.215669][ T10] netlink_unicast+0x449/0x710 [ 3409.215669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.215669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.215669][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.215669][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.215669][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.215669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.215669][ T10] [ 3409.217394][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3409.217673][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3409.217673][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.217673][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.217673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.217673][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.217673][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.217673][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.217673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.217673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.217673][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.217673][ T10] netlink_unicast+0x449/0x710 [ 3409.217673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.217673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.217673][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.217673][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.217673][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.217673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.217673][ T10] [ 3409.219781][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3409.219781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.219781][ T10] ipv6_find_idev+0x102/0x170 [ 3409.219781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.219781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.219781][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.219781][ T10] netlink_unicast+0x449/0x710 [ 3409.219781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.219781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.219781][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.219781][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.219781][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.219781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.219781][ T10] [ 3409.221876][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3409.221876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.221876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.221876][ T10] ipv6_find_idev+0x102/0x170 [ 3409.221876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.221876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.221876][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.221876][ T10] netlink_unicast+0x449/0x710 [ 3409.221876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.221876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.221876][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.221876][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.221876][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.221876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.221876][ T10] [ 3409.224115][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3409.224439][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3409.224439][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.224439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.224439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.224439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.224439][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.224439][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.224439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.224439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.224439][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.224439][ T10] netlink_unicast+0x449/0x710 [ 3409.224439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.224439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.224439][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.224439][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.224439][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.224439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.224439][ T10] [ 3409.227073][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3409.227073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.227073][ T10] ipv6_find_idev+0x102/0x170 [ 3409.227073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.227073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.227073][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.227073][ T10] netlink_unicast+0x449/0x710 [ 3409.227073][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.227073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.227073][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.227073][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.227073][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.227073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.227073][ T10] [ 3409.229096][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3409.229096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.229096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.229096][ T10] ipv6_find_idev+0x102/0x170 [ 3409.229096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.229096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.229096][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.229096][ T10] netlink_unicast+0x449/0x710 [ 3409.229096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.229096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.229096][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.229096][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.229096][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.229096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.229096][ T10] [ 3409.231527][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3409.232225][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3409.232225][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.232225][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.232225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.232225][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.232225][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.232225][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.232225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.232225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.232225][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.232225][ T10] netlink_unicast+0x449/0x710 [ 3409.232225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.232225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.232225][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.232225][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.232225][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.232225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.232225][ T10] [ 3409.234889][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3409.234889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.234889][ T10] ipv6_find_idev+0x102/0x170 [ 3409.234889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.234889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.234889][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.234889][ T10] netlink_unicast+0x449/0x710 [ 3409.234889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.234889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.234889][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.234889][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.234889][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.234889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.234889][ T10] [ 3409.236800][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3409.236800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.236800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.236800][ T10] ipv6_find_idev+0x102/0x170 [ 3409.236800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.236800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.236800][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.236800][ T10] netlink_unicast+0x449/0x710 [ 3409.236800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.236800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.236800][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.236800][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.236800][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.236800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.236800][ T10] [ 3409.238989][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3409.239388][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3409.239388][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.239388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.239388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.239388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.239388][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.239388][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.239388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.239388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.239388][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.239388][ T10] netlink_unicast+0x449/0x710 [ 3409.239388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.239388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.239388][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.239388][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.239388][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.239388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.239388][ T10] [ 3409.241829][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3409.241829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.241829][ T10] ipv6_find_idev+0x102/0x170 [ 3409.241829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.241829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.241829][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.241829][ T10] netlink_unicast+0x449/0x710 [ 3409.241829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.241829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.241829][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.241829][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.241829][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.241829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.241829][ T10] [ 3409.244006][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3409.244006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.244006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.244006][ T10] ipv6_find_idev+0x102/0x170 [ 3409.244006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.244006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.244006][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.244006][ T10] netlink_unicast+0x449/0x710 [ 3409.244006][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.244006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.244006][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.244006][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.244006][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.244006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.244006][ T10] [ 3409.246563][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3409.246934][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3409.246934][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.246934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.246934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.246934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.246934][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.246934][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.246934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.246934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.246934][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.246934][ T10] netlink_unicast+0x449/0x710 [ 3409.246934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.246934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.246934][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.246934][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.246934][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.246934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.246934][ T10] [ 3409.249728][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3409.249728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.249728][ T10] ipv6_find_idev+0x102/0x170 [ 3409.249728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.249728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.249728][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.249728][ T10] netlink_unicast+0x449/0x710 [ 3409.249728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.249728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.249728][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.249728][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.249728][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.249728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.249728][ T10] [ 3409.251722][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3409.251722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.251722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.251722][ T10] ipv6_find_idev+0x102/0x170 [ 3409.251722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.251722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.251722][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.251722][ T10] netlink_unicast+0x449/0x710 [ 3409.251722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.251722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.251722][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.251722][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.251722][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.251722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.251722][ T10] [ 3409.254086][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3409.254382][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3409.254382][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.254382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.254382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.254382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.254382][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.254382][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.254382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.254382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.254382][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.254382][ T10] netlink_unicast+0x449/0x710 [ 3409.254382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.254382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.254382][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.254382][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.254382][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.254382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.254382][ T10] [ 3409.257218][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3409.257218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.257218][ T10] ipv6_find_idev+0x102/0x170 [ 3409.257218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.257218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.257218][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.257218][ T10] netlink_unicast+0x449/0x710 [ 3409.257218][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.257218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.257218][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.257218][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.257218][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.257218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.257218][ T10] [ 3409.259477][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3409.259477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.259477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.259477][ T10] ipv6_find_idev+0x102/0x170 [ 3409.259477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.259477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.259477][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.259477][ T10] netlink_unicast+0x449/0x710 [ 3409.259477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.259477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.259477][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.259477][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.259477][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.259477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.259477][ T10] [ 3419.501891][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3419.502376][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3419.502376][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.502376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.502376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.502376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.502376][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.502376][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.502376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.502376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.502376][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.502376][ T10] netlink_unicast+0x449/0x710 [ 3419.502376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.502376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.502376][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.502376][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.502376][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.502376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.502376][ T10] [ 3419.504456][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3419.504456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.504456][ T10] ipv6_find_idev+0x102/0x170 [ 3419.504456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.504456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.504456][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.504456][ T10] netlink_unicast+0x449/0x710 [ 3419.504456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.504456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.504456][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.504456][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.504456][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.504456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.504456][ T10] [ 3419.506063][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3419.506063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.506063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.506063][ T10] ipv6_find_idev+0x102/0x170 [ 3419.506063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.506063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.506063][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.506063][ T10] netlink_unicast+0x449/0x710 [ 3419.506063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.506063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.506063][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.506063][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.506063][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.506063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.506063][ T10] [ 3419.507807][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3419.508110][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3419.508110][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.508110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.508110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.508110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.508110][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.508110][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.508110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.508110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.508110][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.508110][ T10] netlink_unicast+0x449/0x710 [ 3419.508110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.508110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.508110][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.508110][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.508110][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.508110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.508110][ T10] [ 3419.510177][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3419.510177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.510177][ T10] ipv6_find_idev+0x102/0x170 [ 3419.510177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.510177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.510177][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.510177][ T10] netlink_unicast+0x449/0x710 [ 3419.510177][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.510177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.510177][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.510177][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.510177][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.510177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.510177][ T10] [ 3419.511749][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3419.511749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.511749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.511749][ T10] ipv6_find_idev+0x102/0x170 [ 3419.511749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.511749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.511749][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.511749][ T10] netlink_unicast+0x449/0x710 [ 3419.511749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.511749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.511749][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.511749][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.511749][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.511749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.511749][ T10] [ 3419.513446][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3419.513731][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3419.513731][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.513731][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.513731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.513731][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.513731][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.513731][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.513731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.513731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.513731][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.513731][ T10] netlink_unicast+0x449/0x710 [ 3419.513731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.513731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.513731][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.513731][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.513731][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.513731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.513731][ T10] [ 3419.515717][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3419.515717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.515717][ T10] ipv6_find_idev+0x102/0x170 [ 3419.515717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.515717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.515717][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.515717][ T10] netlink_unicast+0x449/0x710 [ 3419.515717][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.515717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.515717][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.515717][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.515717][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.515717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.515717][ T10] [ 3419.517210][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3419.517210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.517210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.517210][ T10] ipv6_find_idev+0x102/0x170 [ 3419.517210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.517210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.517210][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.517210][ T10] netlink_unicast+0x449/0x710 [ 3419.517210][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.517210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.517210][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.517210][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.517210][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.517210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.517210][ T10] [ 3419.518876][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3419.519162][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3419.519162][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.519162][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.519162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.519162][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.519162][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.519162][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.519162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.519162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.519162][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.519162][ T10] netlink_unicast+0x449/0x710 [ 3419.519162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.519162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.519162][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.519162][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.519162][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.519162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.519162][ T10] [ 3419.521074][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3419.521074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.521074][ T10] ipv6_find_idev+0x102/0x170 [ 3419.521074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.521074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.521074][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.521074][ T10] netlink_unicast+0x449/0x710 [ 3419.521074][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.521074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.521074][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.521074][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.521074][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.521074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.521074][ T10] [ 3419.522587][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3419.522587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.522587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.522587][ T10] ipv6_find_idev+0x102/0x170 [ 3419.522587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.522587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.522587][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.522587][ T10] netlink_unicast+0x449/0x710 [ 3419.522587][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.522587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.522587][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.522587][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.522587][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.522587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.522587][ T10] [ 3419.524574][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3419.525188][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3419.525188][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.525188][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.525188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.525188][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.525188][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.525188][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.525188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.525188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.525188][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.525188][ T10] netlink_unicast+0x449/0x710 [ 3419.525188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.525188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.525188][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.525188][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.525188][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.525188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.525188][ T10] [ 3419.527213][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3419.527213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.527213][ T10] ipv6_find_idev+0x102/0x170 [ 3419.527213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.527213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.527213][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.527213][ T10] netlink_unicast+0x449/0x710 [ 3419.527213][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.527213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.527213][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.527213][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.527213][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.527213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.527213][ T10] [ 3419.528773][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3419.528773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.528773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.528773][ T10] ipv6_find_idev+0x102/0x170 [ 3419.528773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.528773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.528773][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.528773][ T10] netlink_unicast+0x449/0x710 [ 3419.528773][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.528773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.528773][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.528773][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.528773][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.528773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.528773][ T10] [ 3419.530484][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3419.530780][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3419.530780][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.530780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.530780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.530780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.530780][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.530780][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.530780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.530780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.530780][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.530780][ T10] netlink_unicast+0x449/0x710 [ 3419.530780][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.530780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.530780][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.530780][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.530780][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.530780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.530780][ T10] [ 3419.532820][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3419.532820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.532820][ T10] ipv6_find_idev+0x102/0x170 [ 3419.532820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.532820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.532820][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.532820][ T10] netlink_unicast+0x449/0x710 [ 3419.532820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.532820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.532820][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.532820][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.532820][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.532820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.532820][ T10] [ 3419.534503][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3419.534503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.534503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.534503][ T10] ipv6_find_idev+0x102/0x170 [ 3419.534503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.534503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.534503][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.534503][ T10] netlink_unicast+0x449/0x710 [ 3419.534503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.534503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.534503][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.534503][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.534503][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.534503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.534503][ T10] [ 3419.536524][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3419.536801][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3419.536801][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.536801][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.536801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.536801][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.536801][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.536801][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.536801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.536801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.536801][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.536801][ T10] netlink_unicast+0x449/0x710 [ 3419.536801][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.536801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.536801][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.536801][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.536801][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.536801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.536801][ T10] [ 3419.539064][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3419.539064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.539064][ T10] ipv6_find_idev+0x102/0x170 [ 3419.539064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.539064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.539064][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.539064][ T10] netlink_unicast+0x449/0x710 [ 3419.539064][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.539064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.539064][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.539064][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.539064][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.539064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.539064][ T10] [ 3419.540763][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3419.540763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.540763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.540763][ T10] ipv6_find_idev+0x102/0x170 [ 3419.540763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.540763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.540763][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.540763][ T10] netlink_unicast+0x449/0x710 [ 3419.540763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.540763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.540763][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.540763][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.540763][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.540763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.540763][ T10] [ 3419.542815][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3419.543088][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3419.543088][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.543088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.543088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.543088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.543088][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.543088][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.543088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.543088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.543088][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.543088][ T10] netlink_unicast+0x449/0x710 [ 3419.543088][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.543088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.543088][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.543088][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.543088][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.543088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.543088][ T10] [ 3419.545291][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3419.545291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.545291][ T10] ipv6_find_idev+0x102/0x170 [ 3419.545291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.545291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.545291][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.545291][ T10] netlink_unicast+0x449/0x710 [ 3419.545291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.545291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.545291][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.545291][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.545291][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.545291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.545291][ T10] [ 3419.547092][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3419.547092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.547092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.547092][ T10] ipv6_find_idev+0x102/0x170 [ 3419.547092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.547092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.547092][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.547092][ T10] netlink_unicast+0x449/0x710 [ 3419.547092][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.547092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.547092][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.547092][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.547092][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.547092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.547092][ T10] [ 3429.789897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3429.790369][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3429.790369][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.790369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.790369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.790369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.790369][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.790369][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.790369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.790369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.790369][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.790369][ T10] netlink_unicast+0x449/0x710 [ 3429.790369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.790369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.790369][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.790369][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.790369][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.790369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.790369][ T10] [ 3429.792438][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3429.792438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.792438][ T10] ipv6_find_idev+0x102/0x170 [ 3429.792438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.792438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.792438][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.792438][ T10] netlink_unicast+0x449/0x710 [ 3429.792438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.792438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.792438][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.792438][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.792438][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.792438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.792438][ T10] [ 3429.794031][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3429.794031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.794031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.794031][ T10] ipv6_find_idev+0x102/0x170 [ 3429.794031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.794031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.794031][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.794031][ T10] netlink_unicast+0x449/0x710 [ 3429.794031][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.794031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.794031][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.794031][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.794031][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.794031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.794031][ T10] [ 3429.795752][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3429.796083][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3429.796083][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.796083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.796083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.796083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.796083][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.796083][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.796083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.796083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.796083][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.796083][ T10] netlink_unicast+0x449/0x710 [ 3429.796083][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.796083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.796083][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.796083][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.796083][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.796083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.796083][ T10] [ 3429.798102][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3429.798102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.798102][ T10] ipv6_find_idev+0x102/0x170 [ 3429.798102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.798102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.798102][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.798102][ T10] netlink_unicast+0x449/0x710 [ 3429.798102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.798102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.798102][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.798102][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.798102][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.798102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.798102][ T10] [ 3429.799669][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3429.799669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.799669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.799669][ T10] ipv6_find_idev+0x102/0x170 [ 3429.799669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.799669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.799669][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.799669][ T10] netlink_unicast+0x449/0x710 [ 3429.799669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.799669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.799669][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.799669][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.799669][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.799669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.799669][ T10] [ 3429.801385][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3429.801677][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3429.801677][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.801677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.801677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.801677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.801677][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.801677][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.801677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.801677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.801677][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.801677][ T10] netlink_unicast+0x449/0x710 [ 3429.801677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.801677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.801677][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.801677][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.801677][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.801677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.801677][ T10] [ 3429.804178][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3429.804178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.804178][ T10] ipv6_find_idev+0x102/0x170 [ 3429.804178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.804178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.804178][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.804178][ T10] netlink_unicast+0x449/0x710 [ 3429.804178][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.804178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.804178][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.804178][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.804178][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.804178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.804178][ T10] [ 3429.805722][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3429.805722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.805722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.805722][ T10] ipv6_find_idev+0x102/0x170 [ 3429.805722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.805722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.805722][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.805722][ T10] netlink_unicast+0x449/0x710 [ 3429.805722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.805722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.805722][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.805722][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.805722][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.805722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.805722][ T10] [ 3429.807864][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3429.808164][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3429.808164][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.808164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.808164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.808164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.808164][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.808164][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.808164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.808164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.808164][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.808164][ T10] netlink_unicast+0x449/0x710 [ 3429.808164][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.808164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.808164][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.808164][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.808164][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.808164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.808164][ T10] [ 3429.810180][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3429.810180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.810180][ T10] ipv6_find_idev+0x102/0x170 [ 3429.810180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.810180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.810180][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.810180][ T10] netlink_unicast+0x449/0x710 [ 3429.810180][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.810180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.810180][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.810180][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.810180][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.810180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.810180][ T10] [ 3429.811740][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3429.811740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.811740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.811740][ T10] ipv6_find_idev+0x102/0x170 [ 3429.811740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.811740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.811740][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.811740][ T10] netlink_unicast+0x449/0x710 [ 3429.811740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.811740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.811740][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.811740][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.811740][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.811740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.811740][ T10] [ 3429.813905][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3429.814212][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3429.814212][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.814212][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.814212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.814212][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.814212][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.814212][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.814212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.814212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.814212][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.814212][ T10] netlink_unicast+0x449/0x710 [ 3429.814212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.814212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.814212][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.814212][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.814212][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.814212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.814212][ T10] [ 3429.816254][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3429.816254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.816254][ T10] ipv6_find_idev+0x102/0x170 [ 3429.816254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.816254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.816254][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.816254][ T10] netlink_unicast+0x449/0x710 [ 3429.816254][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.816254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.816254][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.816254][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.816254][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.816254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.816254][ T10] [ 3429.817823][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3429.817823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.817823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.817823][ T10] ipv6_find_idev+0x102/0x170 [ 3429.817823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.817823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.817823][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.817823][ T10] netlink_unicast+0x449/0x710 [ 3429.817823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.817823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.817823][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.817823][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.817823][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.817823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.817823][ T10] [ 3429.819578][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3429.819896][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3429.819896][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.819896][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.819896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.819896][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.819896][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.819896][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.819896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.819896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.819896][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.819896][ T10] netlink_unicast+0x449/0x710 [ 3429.819896][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.819896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.819896][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.819896][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.819896][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.819896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.819896][ T10] [ 3429.821962][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3429.821962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.821962][ T10] ipv6_find_idev+0x102/0x170 [ 3429.821962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.821962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.821962][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.821962][ T10] netlink_unicast+0x449/0x710 [ 3429.821962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.821962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.821962][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.821962][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.821962][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.821962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.821962][ T10] [ 3429.823564][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3429.823564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.823564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.823564][ T10] ipv6_find_idev+0x102/0x170 [ 3429.823564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.823564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.823564][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.823564][ T10] netlink_unicast+0x449/0x710 [ 3429.823564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.823564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.823564][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.823564][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.823564][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.823564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.823564][ T10] [ 3429.825457][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3429.825729][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3429.825729][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.825729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.825729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.825729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.825729][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.825729][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.825729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.825729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.825729][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.825729][ T10] netlink_unicast+0x449/0x710 [ 3429.825729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.825729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.825729][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.825729][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.825729][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.825729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.825729][ T10] [ 3429.827833][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3429.827833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.827833][ T10] ipv6_find_idev+0x102/0x170 [ 3429.827833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.827833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.827833][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.827833][ T10] netlink_unicast+0x449/0x710 [ 3429.827833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.827833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.827833][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.827833][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.827833][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.827833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.827833][ T10] [ 3429.829433][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3429.829433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.829433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.829433][ T10] ipv6_find_idev+0x102/0x170 [ 3429.829433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.829433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.829433][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.829433][ T10] netlink_unicast+0x449/0x710 [ 3429.829433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.829433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.829433][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.829433][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.829433][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.829433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.829433][ T10] [ 3429.831292][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3429.831565][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3429.831565][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.831565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.831565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.831565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.831565][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.831565][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.831565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.831565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.831565][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.831565][ T10] netlink_unicast+0x449/0x710 [ 3429.831565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.831565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.831565][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.831565][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.831565][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.831565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.831565][ T10] [ 3429.834114][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3429.834114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.834114][ T10] ipv6_find_idev+0x102/0x170 [ 3429.834114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.834114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.834114][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.834114][ T10] netlink_unicast+0x449/0x710 [ 3429.834114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.834114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.834114][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.834114][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.834114][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.834114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.834114][ T10] [ 3429.835814][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3429.835814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.835814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.835814][ T10] ipv6_find_idev+0x102/0x170 [ 3429.835814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.835814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.835814][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.835814][ T10] netlink_unicast+0x449/0x710 [ 3429.835814][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.835814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.835814][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.835814][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.835814][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.835814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.835814][ T10] [ 3440.077837][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3440.078310][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3440.078310][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.078310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.078310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.078310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.078310][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.078310][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.078310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.078310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.078310][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.078310][ T10] netlink_unicast+0x449/0x710 [ 3440.078310][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.078310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.078310][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.078310][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.078310][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.078310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.078310][ T10] [ 3440.080308][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3440.080308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.080308][ T10] ipv6_find_idev+0x102/0x170 [ 3440.080308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.080308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.080308][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.080308][ T10] netlink_unicast+0x449/0x710 [ 3440.080308][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.080308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.080308][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.080308][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.080308][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.080308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.080308][ T10] [ 3440.081890][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3440.081890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.081890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.081890][ T10] ipv6_find_idev+0x102/0x170 [ 3440.081890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.081890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.081890][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.081890][ T10] netlink_unicast+0x449/0x710 [ 3440.081890][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.081890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.081890][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.081890][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.081890][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.081890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.081890][ T10] [ 3440.083606][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3440.083943][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3440.083943][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.083943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.083943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.083943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.083943][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.083943][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.083943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.083943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.083943][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.083943][ T10] netlink_unicast+0x449/0x710 [ 3440.083943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.083943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.083943][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.083943][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.083943][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.083943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.083943][ T10] [ 3440.086009][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3440.086009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.086009][ T10] ipv6_find_idev+0x102/0x170 [ 3440.086009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.086009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.086009][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.086009][ T10] netlink_unicast+0x449/0x710 [ 3440.086009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.086009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.086009][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.086009][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.086009][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.086009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.086009][ T10] [ 3440.087592][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3440.087592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.087592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.087592][ T10] ipv6_find_idev+0x102/0x170 [ 3440.087592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.087592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.087592][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.087592][ T10] netlink_unicast+0x449/0x710 [ 3440.087592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.087592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.087592][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.087592][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.087592][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.087592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.087592][ T10] [ 3440.089309][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3440.089599][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3440.089599][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.089599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.089599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.089599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.089599][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.089599][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.089599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.089599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.089599][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.089599][ T10] netlink_unicast+0x449/0x710 [ 3440.089599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.089599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.089599][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.089599][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.089599][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.089599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.089599][ T10] [ 3440.091627][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3440.091627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.091627][ T10] ipv6_find_idev+0x102/0x170 [ 3440.091627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.091627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.091627][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.091627][ T10] netlink_unicast+0x449/0x710 [ 3440.091627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.091627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.091627][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.091627][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.091627][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.091627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.091627][ T10] [ 3440.093152][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3440.093152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.093152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.093152][ T10] ipv6_find_idev+0x102/0x170 [ 3440.093152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.093152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.093152][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.093152][ T10] netlink_unicast+0x449/0x710 [ 3440.093152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.093152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.093152][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.093152][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.093152][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.093152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.093152][ T10] [ 3440.094857][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3440.095148][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3440.095148][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.095148][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.095148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.095148][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.095148][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.095148][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.095148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.095148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.095148][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.095148][ T10] netlink_unicast+0x449/0x710 [ 3440.095148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.095148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.095148][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.095148][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.095148][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.095148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.095148][ T10] [ 3440.097213][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3440.097213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.097213][ T10] ipv6_find_idev+0x102/0x170 [ 3440.097213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.097213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.097213][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.097213][ T10] netlink_unicast+0x449/0x710 [ 3440.097213][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.097213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.097213][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.097213][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.097213][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.097213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.097213][ T10] [ 3440.098789][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3440.098789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.098789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.098789][ T10] ipv6_find_idev+0x102/0x170 [ 3440.098789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.098789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.098789][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.098789][ T10] netlink_unicast+0x449/0x710 [ 3440.098789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.098789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.098789][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.098789][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.098789][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.098789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.098789][ T10] [ 3440.100895][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3440.101163][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3440.101163][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.101163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.101163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.101163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.101163][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.101163][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.101163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.101163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.101163][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.101163][ T10] netlink_unicast+0x449/0x710 [ 3440.101163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.101163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.101163][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.101163][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.101163][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.101163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.101163][ T10] [ 3440.103587][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3440.103587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.103587][ T10] ipv6_find_idev+0x102/0x170 [ 3440.103587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.103587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.103587][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.103587][ T10] netlink_unicast+0x449/0x710 [ 3440.103587][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.103587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.103587][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.103587][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.103587][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.103587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.103587][ T10] [ 3440.105151][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3440.105151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.105151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.105151][ T10] ipv6_find_idev+0x102/0x170 [ 3440.105151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.105151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.105151][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.105151][ T10] netlink_unicast+0x449/0x710 [ 3440.105151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.105151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.105151][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.105151][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.105151][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.105151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.105151][ T10] [ 3440.106950][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3440.107222][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3440.107222][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.107222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.107222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.107222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.107222][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.107222][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.107222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.107222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.107222][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.107222][ T10] netlink_unicast+0x449/0x710 [ 3440.107222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.107222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.107222][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.107222][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.107222][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.107222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.107222][ T10] [ 3440.109495][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3440.109495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.109495][ T10] ipv6_find_idev+0x102/0x170 [ 3440.109495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.109495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.109495][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.109495][ T10] netlink_unicast+0x449/0x710 [ 3440.109495][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.109495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.109495][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.109495][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.109495][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.109495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.109495][ T10] [ 3440.111254][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3440.111254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.111254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.111254][ T10] ipv6_find_idev+0x102/0x170 [ 3440.111254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.111254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.111254][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.111254][ T10] netlink_unicast+0x449/0x710 [ 3440.111254][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.111254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.111254][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.111254][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.111254][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.111254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.111254][ T10] [ 3440.113211][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3440.113491][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3440.113491][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.113491][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.113491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.113491][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.113491][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.113491][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.113491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.113491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.113491][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.113491][ T10] netlink_unicast+0x449/0x710 [ 3440.113491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.113491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.113491][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.113491][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.113491][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.113491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.113491][ T10] [ 3440.115757][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3440.115757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.115757][ T10] ipv6_find_idev+0x102/0x170 [ 3440.115757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.115757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.115757][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.115757][ T10] netlink_unicast+0x449/0x710 [ 3440.115757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.115757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.115757][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.115757][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.115757][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.115757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.115757][ T10] [ 3440.117466][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3440.117466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.117466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.117466][ T10] ipv6_find_idev+0x102/0x170 [ 3440.117466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.117466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.117466][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.117466][ T10] netlink_unicast+0x449/0x710 [ 3440.117466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.117466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.117466][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.117466][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.117466][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.117466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.117466][ T10] [ 3440.119496][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3440.119764][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3440.119764][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.119764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.119764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.119764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.119764][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.119764][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.119764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.119764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.119764][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.119764][ T10] netlink_unicast+0x449/0x710 [ 3440.119764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.119764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.119764][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.119764][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.119764][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.119764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.119764][ T10] [ 3440.122026][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3440.122026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.122026][ T10] ipv6_find_idev+0x102/0x170 [ 3440.122026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.122026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.122026][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.122026][ T10] netlink_unicast+0x449/0x710 [ 3440.122026][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.122026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.122026][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.122026][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.122026][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.122026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.122026][ T10] [ 3440.123726][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3440.123726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.123726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.123726][ T10] ipv6_find_idev+0x102/0x170 [ 3440.123726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.123726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.123726][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.123726][ T10] netlink_unicast+0x449/0x710 [ 3440.123726][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.123726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.123726][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.123726][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.123726][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.123726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.123726][ T10] [ 3450.365960][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3450.366741][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3450.366741][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.366741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.366741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.366741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.366741][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.366741][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.366741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.366741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.366741][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.366741][ T10] netlink_unicast+0x449/0x710 [ 3450.366741][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.366741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.366741][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.366741][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.366741][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.366741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.366741][ T10] [ 3450.368822][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3450.368822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.368822][ T10] ipv6_find_idev+0x102/0x170 [ 3450.368822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.368822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.368822][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.368822][ T10] netlink_unicast+0x449/0x710 [ 3450.368822][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.368822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.368822][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.368822][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.368822][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.368822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.368822][ T10] [ 3450.370305][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3450.370305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.370305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.370305][ T10] ipv6_find_idev+0x102/0x170 [ 3450.370305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.370305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.370305][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.370305][ T10] netlink_unicast+0x449/0x710 [ 3450.370305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.370305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.370305][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.370305][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.370305][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.370305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.370305][ T10] [ 3450.371955][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3450.372238][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3450.372238][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.372238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.372238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.372238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.372238][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.372238][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.372238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.372238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.372238][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.372238][ T10] netlink_unicast+0x449/0x710 [ 3450.372238][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.372238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.372238][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.372238][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.372238][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.372238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.372238][ T10] [ 3450.374227][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3450.374227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.374227][ T10] ipv6_find_idev+0x102/0x170 [ 3450.374227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.374227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.374227][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.374227][ T10] netlink_unicast+0x449/0x710 [ 3450.374227][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.374227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.374227][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.374227][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.374227][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.374227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.374227][ T10] [ 3450.375689][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3450.375689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.375689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.375689][ T10] ipv6_find_idev+0x102/0x170 [ 3450.375689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.375689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.375689][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.375689][ T10] netlink_unicast+0x449/0x710 [ 3450.375689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.375689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.375689][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.375689][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.375689][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.375689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.375689][ T10] [ 3450.377738][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3450.378384][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3450.378384][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.378384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.378384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.378384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.378384][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.378384][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.378384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.378384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.378384][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.378384][ T10] netlink_unicast+0x449/0x710 [ 3450.378384][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.378384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.378384][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.378384][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.378384][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.378384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.378384][ T10] [ 3450.380289][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3450.380289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.380289][ T10] ipv6_find_idev+0x102/0x170 [ 3450.380289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.380289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.380289][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.380289][ T10] netlink_unicast+0x449/0x710 [ 3450.380289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.380289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.380289][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.380289][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.380289][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.380289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.380289][ T10] [ 3450.381851][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3450.381851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.381851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.381851][ T10] ipv6_find_idev+0x102/0x170 [ 3450.381851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.381851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.381851][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.381851][ T10] netlink_unicast+0x449/0x710 [ 3450.381851][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.381851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.381851][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.381851][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.381851][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.381851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.381851][ T10] [ 3450.383519][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3450.383798][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3450.383798][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.383798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.383798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.383798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.383798][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.383798][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.383798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.383798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.383798][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.383798][ T10] netlink_unicast+0x449/0x710 [ 3450.383798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.383798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.383798][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.383798][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.383798][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.383798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.383798][ T10] [ 3450.385824][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3450.385824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.385824][ T10] ipv6_find_idev+0x102/0x170 [ 3450.385824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.385824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.385824][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.385824][ T10] netlink_unicast+0x449/0x710 [ 3450.385824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.385824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.385824][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.385824][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.385824][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.385824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.385824][ T10] [ 3450.387351][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3450.387351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.387351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.387351][ T10] ipv6_find_idev+0x102/0x170 [ 3450.387351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.387351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.387351][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.387351][ T10] netlink_unicast+0x449/0x710 [ 3450.387351][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.387351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.387351][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.387351][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.387351][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.387351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.387351][ T10] [ 3450.389340][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3450.389617][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3450.389617][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.389617][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.389617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.389617][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.389617][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.389617][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.389617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.389617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.389617][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.389617][ T10] netlink_unicast+0x449/0x710 [ 3450.389617][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.389617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.389617][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.389617][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.389617][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.389617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.389617][ T10] [ 3450.391613][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3450.391613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.391613][ T10] ipv6_find_idev+0x102/0x170 [ 3450.391613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.391613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.391613][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.391613][ T10] netlink_unicast+0x449/0x710 [ 3450.391613][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.391613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.391613][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.391613][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.391613][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.391613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.391613][ T10] [ 3450.393134][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3450.393134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.393134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.393134][ T10] ipv6_find_idev+0x102/0x170 [ 3450.393134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.393134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.393134][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.393134][ T10] netlink_unicast+0x449/0x710 [ 3450.393134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.393134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.393134][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.393134][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.393134][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.393134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.393134][ T10] [ 3450.394874][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3450.395134][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3450.395134][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.395134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.395134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.395134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.395134][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.395134][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.395134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.395134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.395134][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.395134][ T10] netlink_unicast+0x449/0x710 [ 3450.395134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.395134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.395134][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.395134][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.395134][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.395134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.395134][ T10] [ 3450.397268][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3450.397268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.397268][ T10] ipv6_find_idev+0x102/0x170 [ 3450.397268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.397268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.397268][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.397268][ T10] netlink_unicast+0x449/0x710 [ 3450.397268][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.397268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.397268][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.397268][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.397268][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.397268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.397268][ T10] [ 3450.399060][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3450.399060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.399060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.399060][ T10] ipv6_find_idev+0x102/0x170 [ 3450.399060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.399060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.399060][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.399060][ T10] netlink_unicast+0x449/0x710 [ 3450.399060][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.399060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.399060][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.399060][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.399060][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.399060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.399060][ T10] [ 3450.400965][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3450.401226][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3450.401226][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.401226][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.401226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.401226][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.401226][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.401226][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.401226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.401226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.401226][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.401226][ T10] netlink_unicast+0x449/0x710 [ 3450.401226][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.401226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.401226][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.401226][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.401226][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.401226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.401226][ T10] [ 3450.403447][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3450.403447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.403447][ T10] ipv6_find_idev+0x102/0x170 [ 3450.403447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.403447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.403447][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.403447][ T10] netlink_unicast+0x449/0x710 [ 3450.403447][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.403447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.403447][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.403447][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.403447][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.403447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.403447][ T10] [ 3450.405151][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3450.405151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.405151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.405151][ T10] ipv6_find_idev+0x102/0x170 [ 3450.405151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.405151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.405151][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.405151][ T10] netlink_unicast+0x449/0x710 [ 3450.405151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.405151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.405151][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.405151][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.405151][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.405151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.405151][ T10] [ 3450.407068][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3450.407324][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3450.407324][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.407324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.407324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.407324][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.407324][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.407324][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.407324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.407324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.407324][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.407324][ T10] netlink_unicast+0x449/0x710 [ 3450.407324][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.407324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.407324][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.407324][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.407324][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.407324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.407324][ T10] [ 3450.409568][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3450.409568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.409568][ T10] ipv6_find_idev+0x102/0x170 [ 3450.409568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.409568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.409568][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.409568][ T10] netlink_unicast+0x449/0x710 [ 3450.409568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.409568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.409568][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.409568][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.409568][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.409568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.409568][ T10] [ 3450.411321][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3450.411321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.411321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.411321][ T10] ipv6_find_idev+0x102/0x170 [ 3450.411321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.411321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.411321][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.411321][ T10] netlink_unicast+0x449/0x710 [ 3450.411321][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.411321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.411321][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.411321][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.411321][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.411321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.411321][ T10] [ 3460.605962][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3460.607012][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3460.607012][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.607012][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.607012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.607012][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.607012][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.607012][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.607012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.607012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.607012][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.607012][ T10] netlink_unicast+0x449/0x710 [ 3460.607012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.607012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.607012][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.607012][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.607012][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.607012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.607012][ T10] [ 3460.609749][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3460.609749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.609749][ T10] ipv6_find_idev+0x102/0x170 [ 3460.609749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.609749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.609749][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.609749][ T10] netlink_unicast+0x449/0x710 [ 3460.609749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.609749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.609749][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.609749][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.609749][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.609749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.609749][ T10] [ 3460.611708][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3460.611708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.611708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.611708][ T10] ipv6_find_idev+0x102/0x170 [ 3460.611708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.611708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.611708][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.611708][ T10] netlink_unicast+0x449/0x710 [ 3460.611708][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.611708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.611708][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.611708][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.611708][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.611708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.611708][ T10] [ 3460.613700][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3460.614056][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3460.614056][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.614056][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.614056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.614056][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.614056][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.614056][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.614056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.614056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.614056][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.614056][ T10] netlink_unicast+0x449/0x710 [ 3460.614056][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.614056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.614056][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.614056][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.614056][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.614056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.614056][ T10] [ 3460.616807][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3460.616807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.616807][ T10] ipv6_find_idev+0x102/0x170 [ 3460.616807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.616807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.616807][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.616807][ T10] netlink_unicast+0x449/0x710 [ 3460.616807][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.616807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.616807][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.616807][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.616807][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.616807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.616807][ T10] [ 3460.618704][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3460.618704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.618704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.618704][ T10] ipv6_find_idev+0x102/0x170 [ 3460.618704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.618704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.618704][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.618704][ T10] netlink_unicast+0x449/0x710 [ 3460.618704][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.618704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.618704][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.618704][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.618704][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.618704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.618704][ T10] [ 3460.620915][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3460.621296][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3460.621296][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.621296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.621296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.621296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.621296][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.621296][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.621296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.621296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.621296][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.621296][ T10] netlink_unicast+0x449/0x710 [ 3460.621296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.621296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.621296][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.621296][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.621296][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.621296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.621296][ T10] [ 3460.623833][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3460.623833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.623833][ T10] ipv6_find_idev+0x102/0x170 [ 3460.623833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.623833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.623833][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.623833][ T10] netlink_unicast+0x449/0x710 [ 3460.623833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.623833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.623833][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.623833][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.623833][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.623833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.623833][ T10] [ 3460.625955][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3460.625955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.625955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.625955][ T10] ipv6_find_idev+0x102/0x170 [ 3460.625955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.625955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.625955][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.625955][ T10] netlink_unicast+0x449/0x710 [ 3460.625955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.625955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.625955][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.625955][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.625955][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.625955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.625955][ T10] [ 3460.628154][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3460.628480][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3460.628480][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.628480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.628480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.628480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.628480][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.628480][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.628480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.628480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.628480][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.628480][ T10] netlink_unicast+0x449/0x710 [ 3460.628480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.628480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.628480][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.628480][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.628480][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.628480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.628480][ T10] [ 3460.631011][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3460.631011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.631011][ T10] ipv6_find_idev+0x102/0x170 [ 3460.631011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.631011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.631011][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.631011][ T10] netlink_unicast+0x449/0x710 [ 3460.631011][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.631011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.631011][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.631011][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.631011][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.631011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.631011][ T10] [ 3460.633067][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3460.633067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.633067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.633067][ T10] ipv6_find_idev+0x102/0x170 [ 3460.633067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.633067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.633067][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.633067][ T10] netlink_unicast+0x449/0x710 [ 3460.633067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.633067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.633067][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.633067][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.633067][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.633067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.633067][ T10] [ 3460.635259][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3460.635622][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3460.635622][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.635622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.635622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.635622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.635622][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.635622][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.635622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.635622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.635622][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.635622][ T10] netlink_unicast+0x449/0x710 [ 3460.635622][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.635622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.635622][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.635622][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.635622][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.635622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.635622][ T10] [ 3460.638226][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3460.638226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.638226][ T10] ipv6_find_idev+0x102/0x170 [ 3460.638226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.638226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.638226][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.638226][ T10] netlink_unicast+0x449/0x710 [ 3460.638226][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.638226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.638226][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.638226][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.638226][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.638226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.638226][ T10] [ 3460.640115][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3460.640115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.640115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.640115][ T10] ipv6_find_idev+0x102/0x170 [ 3460.640115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.640115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.640115][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.640115][ T10] netlink_unicast+0x449/0x710 [ 3460.640115][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.640115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.640115][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.640115][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.640115][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.640115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.640115][ T10] [ 3460.642618][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3460.643014][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3460.643014][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.643014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.643014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.643014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.643014][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.643014][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.643014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.643014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.643014][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.643014][ T10] netlink_unicast+0x449/0x710 [ 3460.643014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.643014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.643014][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.643014][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.643014][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.643014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.643014][ T10] [ 3460.645632][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3460.645632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.645632][ T10] ipv6_find_idev+0x102/0x170 [ 3460.645632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.645632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.645632][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.645632][ T10] netlink_unicast+0x449/0x710 [ 3460.645632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.645632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.645632][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.645632][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.645632][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.645632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.645632][ T10] [ 3460.647871][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3460.647871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.647871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.647871][ T10] ipv6_find_idev+0x102/0x170 [ 3460.647871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.647871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.647871][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.647871][ T10] netlink_unicast+0x449/0x710 [ 3460.647871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.647871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.647871][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.647871][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.647871][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.647871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.647871][ T10] [ 3460.650230][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3460.650577][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3460.650577][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.650577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.650577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.650577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.650577][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.650577][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.650577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.650577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.650577][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.650577][ T10] netlink_unicast+0x449/0x710 [ 3460.650577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.650577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.650577][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.650577][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.650577][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.650577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.650577][ T10] [ 3460.653258][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3460.653258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.653258][ T10] ipv6_find_idev+0x102/0x170 [ 3460.653258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.653258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.653258][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.653258][ T10] netlink_unicast+0x449/0x710 [ 3460.653258][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.653258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.653258][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.653258][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.653258][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.653258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.653258][ T10] [ 3460.655459][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3460.655459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.655459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.655459][ T10] ipv6_find_idev+0x102/0x170 [ 3460.655459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.655459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.655459][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.655459][ T10] netlink_unicast+0x449/0x710 [ 3460.655459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.655459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.655459][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.655459][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.655459][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.655459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.655459][ T10] [ 3460.658019][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3460.658382][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3460.658382][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.658382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.658382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.658382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.658382][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.658382][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.658382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.658382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.658382][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.658382][ T10] netlink_unicast+0x449/0x710 [ 3460.658382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.658382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.658382][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.658382][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.658382][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.658382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.658382][ T10] [ 3460.661117][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3460.661117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.661117][ T10] ipv6_find_idev+0x102/0x170 [ 3460.661117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.661117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.661117][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.661117][ T10] netlink_unicast+0x449/0x710 [ 3460.661117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.661117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.661117][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.661117][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.661117][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.661117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.661117][ T10] [ 3460.663316][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3460.663316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.663316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.663316][ T10] ipv6_find_idev+0x102/0x170 [ 3460.663316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.663316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.663316][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.663316][ T10] netlink_unicast+0x449/0x710 [ 3460.663316][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.663316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.663316][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.663316][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.663316][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.663316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.663316][ T10] [ 3470.797977][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3470.798703][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3470.798703][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.798703][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.798703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.798703][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.798703][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.798703][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.798703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.798703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.798703][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.798703][ T10] netlink_unicast+0x449/0x710 [ 3470.798703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.798703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.798703][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.798703][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.798703][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.798703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.798703][ T10] [ 3470.800711][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3470.800711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.800711][ T10] ipv6_find_idev+0x102/0x170 [ 3470.800711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.800711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.800711][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.800711][ T10] netlink_unicast+0x449/0x710 [ 3470.800711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.800711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.800711][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.800711][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.800711][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.800711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.800711][ T10] [ 3470.802380][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3470.802380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.802380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.802380][ T10] ipv6_find_idev+0x102/0x170 [ 3470.802380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.802380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.802380][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.802380][ T10] netlink_unicast+0x449/0x710 [ 3470.802380][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.802380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.802380][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.802380][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.802380][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.802380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.802380][ T10] [ 3470.804699][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3470.805055][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3470.805055][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.805055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.805055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.805055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.805055][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.805055][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.805055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.805055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.805055][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.805055][ T10] netlink_unicast+0x449/0x710 [ 3470.805055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.805055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.805055][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.805055][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.805055][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.805055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.805055][ T10] [ 3470.807674][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3470.807674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.807674][ T10] ipv6_find_idev+0x102/0x170 [ 3470.807674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.807674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.807674][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.807674][ T10] netlink_unicast+0x449/0x710 [ 3470.807674][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.807674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.807674][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.807674][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.807674][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.807674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.807674][ T10] [ 3470.809758][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3470.809758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.809758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.809758][ T10] ipv6_find_idev+0x102/0x170 [ 3470.809758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.809758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.809758][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.809758][ T10] netlink_unicast+0x449/0x710 [ 3470.809758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.809758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.809758][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.809758][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.809758][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.809758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.809758][ T10] [ 3470.812017][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3470.812380][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3470.812380][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.812380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.812380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.812380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.812380][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.812380][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.812380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.812380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.812380][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.812380][ T10] netlink_unicast+0x449/0x710 [ 3470.812380][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.812380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.812380][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.812380][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.812380][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.812380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.812380][ T10] [ 3470.814973][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3470.814973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.814973][ T10] ipv6_find_idev+0x102/0x170 [ 3470.814973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.814973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.814973][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.814973][ T10] netlink_unicast+0x449/0x710 [ 3470.814973][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.814973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.814973][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.814973][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.814973][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.814973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.814973][ T10] [ 3470.817066][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3470.817066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.817066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.817066][ T10] ipv6_find_idev+0x102/0x170 [ 3470.817066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.817066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.817066][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.817066][ T10] netlink_unicast+0x449/0x710 [ 3470.817066][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.817066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.817066][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.817066][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.817066][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.817066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.817066][ T10] [ 3470.819147][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3470.819494][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3470.819494][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.819494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.819494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.819494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.819494][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.819494][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.819494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.819494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.819494][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.819494][ T10] netlink_unicast+0x449/0x710 [ 3470.819494][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.819494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.819494][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.819494][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.819494][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.819494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.819494][ T10] [ 3470.822173][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3470.822173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.822173][ T10] ipv6_find_idev+0x102/0x170 [ 3470.822173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.822173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.822173][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.822173][ T10] netlink_unicast+0x449/0x710 [ 3470.822173][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.822173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.822173][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.822173][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.822173][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.822173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.822173][ T10] [ 3470.824124][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3470.824124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.824124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.824124][ T10] ipv6_find_idev+0x102/0x170 [ 3470.824124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.824124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.824124][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.824124][ T10] netlink_unicast+0x449/0x710 [ 3470.824124][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.824124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.824124][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.824124][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.824124][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.824124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.824124][ T10] [ 3470.826791][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3470.827134][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3470.827134][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.827134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.827134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.827134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.827134][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.827134][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.827134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.827134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.827134][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.827134][ T10] netlink_unicast+0x449/0x710 [ 3470.827134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.827134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.827134][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.827134][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.827134][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.827134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.827134][ T10] [ 3470.829782][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3470.829782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.829782][ T10] ipv6_find_idev+0x102/0x170 [ 3470.829782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.829782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.829782][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.829782][ T10] netlink_unicast+0x449/0x710 [ 3470.829782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.829782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.829782][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.829782][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.829782][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.829782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.829782][ T10] [ 3470.831832][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3470.831832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.831832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.831832][ T10] ipv6_find_idev+0x102/0x170 [ 3470.831832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.831832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.831832][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.831832][ T10] netlink_unicast+0x449/0x710 [ 3470.831832][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.831832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.831832][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.831832][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.831832][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.831832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.831832][ T10] [ 3470.834078][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3470.834396][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3470.834396][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.834396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.834396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.834396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.834396][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.834396][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.834396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.834396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.834396][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.834396][ T10] netlink_unicast+0x449/0x710 [ 3470.834396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.834396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.834396][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.834396][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.834396][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.834396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.834396][ T10] [ 3470.837184][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3470.837184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.837184][ T10] ipv6_find_idev+0x102/0x170 [ 3470.837184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.837184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.837184][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.837184][ T10] netlink_unicast+0x449/0x710 [ 3470.837184][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.837184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.837184][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.837184][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.837184][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.837184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.837184][ T10] [ 3470.839442][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3470.839442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.839442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.839442][ T10] ipv6_find_idev+0x102/0x170 [ 3470.839442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.839442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.839442][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.839442][ T10] netlink_unicast+0x449/0x710 [ 3470.839442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.839442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.839442][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.839442][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.839442][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.839442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.839442][ T10] [ 3470.841820][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3470.842161][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3470.842161][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.842161][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.842161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.842161][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.842161][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.842161][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.842161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.842161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.842161][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.842161][ T10] netlink_unicast+0x449/0x710 [ 3470.842161][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.842161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.842161][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.842161][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.842161][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.842161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.842161][ T10] [ 3470.844908][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3470.844908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.844908][ T10] ipv6_find_idev+0x102/0x170 [ 3470.844908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.844908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.844908][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.844908][ T10] netlink_unicast+0x449/0x710 [ 3470.844908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.844908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.844908][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.844908][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.844908][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.844908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.844908][ T10] [ 3470.847081][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3470.847081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.847081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.847081][ T10] ipv6_find_idev+0x102/0x170 [ 3470.847081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.847081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.847081][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.847081][ T10] netlink_unicast+0x449/0x710 [ 3470.847081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.847081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.847081][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.847081][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.847081][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.847081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.847081][ T10] [ 3470.849615][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3470.849987][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3470.849987][ T10] netdev_get_by_index+0x5e/0x80 [ 3470.849987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3470.849987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3470.849987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3470.849987][ T10] ipv6_add_addr+0x411/0x2000 [ 3470.849987][ T10] inet6_addr_add+0x30e/0xa40 [ 3470.849987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.849987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.849987][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.849987][ T10] netlink_unicast+0x449/0x710 [ 3470.849987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.849987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.849987][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.849987][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.849987][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.849987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.849987][ T10] [ 3470.852781][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3470.852781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3470.852781][ T10] ipv6_find_idev+0x102/0x170 [ 3470.852781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.852781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.852781][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.852781][ T10] netlink_unicast+0x449/0x710 [ 3470.852781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.852781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.852781][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.852781][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.852781][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.852781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.852781][ T10] [ 3470.854990][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3470.854990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3470.854990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3470.854990][ T10] ipv6_find_idev+0x102/0x170 [ 3470.854990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.854990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.854990][ T10] netlink_rcv_skb+0x130/0x360 [ 3470.854990][ T10] netlink_unicast+0x449/0x710 [ 3470.854990][ T10] netlink_sendmsg+0x723/0xbe0 [ 3470.854990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3470.854990][ T10] ___sys_sendmsg+0xee/0x170 [ 3470.854990][ T10] __sys_sendmsg+0xcd/0x170 [ 3470.854990][ T10] do_syscall_64+0xc6/0x1e0 [ 3470.854990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.854990][ T10] [ 3481.093898][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3481.094372][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3481.094372][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.094372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.094372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.094372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.094372][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.094372][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.094372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.094372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.094372][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.094372][ T10] netlink_unicast+0x449/0x710 [ 3481.094372][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.094372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.094372][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.094372][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.094372][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.094372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.094372][ T10] [ 3481.096433][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3481.096433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.096433][ T10] ipv6_find_idev+0x102/0x170 [ 3481.096433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.096433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.096433][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.096433][ T10] netlink_unicast+0x449/0x710 [ 3481.096433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.096433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.096433][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.096433][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.096433][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.096433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.096433][ T10] [ 3481.097983][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3481.097983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.097983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.097983][ T10] ipv6_find_idev+0x102/0x170 [ 3481.097983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.097983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.097983][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.097983][ T10] netlink_unicast+0x449/0x710 [ 3481.097983][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.097983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.097983][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.097983][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.097983][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.097983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.097983][ T10] [ 3481.099691][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3481.099990][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3481.099990][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.099990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.099990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.099990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.099990][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.099990][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.099990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.099990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.099990][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.099990][ T10] netlink_unicast+0x449/0x710 [ 3481.099990][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.099990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.099990][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.099990][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.099990][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.099990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.099990][ T10] [ 3481.102000][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3481.102000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.102000][ T10] ipv6_find_idev+0x102/0x170 [ 3481.102000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.102000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.102000][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.102000][ T10] netlink_unicast+0x449/0x710 [ 3481.102000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.102000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.102000][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.102000][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.102000][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.102000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.102000][ T10] [ 3481.103565][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3481.103565][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.103565][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.103565][ T10] ipv6_find_idev+0x102/0x170 [ 3481.103565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.103565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.103565][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.103565][ T10] netlink_unicast+0x449/0x710 [ 3481.103565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.103565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.103565][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.103565][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.103565][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.103565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.103565][ T10] [ 3481.105255][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3481.105517][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3481.105517][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.105517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.105517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.105517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.105517][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.105517][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.105517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.105517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.105517][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.105517][ T10] netlink_unicast+0x449/0x710 [ 3481.105517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.105517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.105517][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.105517][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.105517][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.105517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.105517][ T10] [ 3481.107497][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3481.107497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.107497][ T10] ipv6_find_idev+0x102/0x170 [ 3481.107497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.107497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.107497][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.107497][ T10] netlink_unicast+0x449/0x710 [ 3481.107497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.107497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.107497][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.107497][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.107497][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.107497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.107497][ T10] [ 3481.108947][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3481.108947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.108947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.108947][ T10] ipv6_find_idev+0x102/0x170 [ 3481.108947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.108947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.108947][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.108947][ T10] netlink_unicast+0x449/0x710 [ 3481.108947][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.108947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.108947][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.108947][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.108947][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.108947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.108947][ T10] [ 3481.110662][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3481.111013][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3481.111013][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.111013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.111013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.111013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.111013][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.111013][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.111013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.111013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.111013][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.111013][ T10] netlink_unicast+0x449/0x710 [ 3481.111013][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.111013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.111013][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.111013][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.111013][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.111013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.111013][ T10] [ 3481.113012][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3481.113012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.113012][ T10] ipv6_find_idev+0x102/0x170 [ 3481.113012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.113012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.113012][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.113012][ T10] netlink_unicast+0x449/0x710 [ 3481.113012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.113012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.113012][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.113012][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.113012][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.113012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.113012][ T10] [ 3481.114555][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3481.114555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.114555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.114555][ T10] ipv6_find_idev+0x102/0x170 [ 3481.114555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.114555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.114555][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.114555][ T10] netlink_unicast+0x449/0x710 [ 3481.114555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.114555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.114555][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.114555][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.114555][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.114555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.114555][ T10] [ 3481.116278][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3481.116549][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3481.116549][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.116549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.116549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.116549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.116549][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.116549][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.116549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.116549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.116549][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.116549][ T10] netlink_unicast+0x449/0x710 [ 3481.116549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.116549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.116549][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.116549][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.116549][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.116549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.116549][ T10] [ 3481.118521][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3481.118521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.118521][ T10] ipv6_find_idev+0x102/0x170 [ 3481.118521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.118521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.118521][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.118521][ T10] netlink_unicast+0x449/0x710 [ 3481.118521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.118521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.118521][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.118521][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.118521][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.118521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.118521][ T10] [ 3481.120029][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3481.120029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.120029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.120029][ T10] ipv6_find_idev+0x102/0x170 [ 3481.120029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.120029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.120029][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.120029][ T10] netlink_unicast+0x449/0x710 [ 3481.120029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.120029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.120029][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.120029][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.120029][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.120029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.120029][ T10] [ 3481.121928][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3481.122202][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3481.122202][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.122202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.122202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.122202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.122202][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.122202][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.122202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.122202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.122202][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.122202][ T10] netlink_unicast+0x449/0x710 [ 3481.122202][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.122202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.122202][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.122202][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.122202][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.122202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.122202][ T10] [ 3481.124486][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3481.124486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.124486][ T10] ipv6_find_idev+0x102/0x170 [ 3481.124486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.124486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.124486][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.124486][ T10] netlink_unicast+0x449/0x710 [ 3481.124486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.124486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.124486][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.124486][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.124486][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.124486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.124486][ T10] [ 3481.126211][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3481.126211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.126211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.126211][ T10] ipv6_find_idev+0x102/0x170 [ 3481.126211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.126211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.126211][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.126211][ T10] netlink_unicast+0x449/0x710 [ 3481.126211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.126211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.126211][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.126211][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.126211][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.126211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.126211][ T10] [ 3481.128131][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3481.128391][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3481.128391][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.128391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.128391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.128391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.128391][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.128391][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.128391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.128391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.128391][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.128391][ T10] netlink_unicast+0x449/0x710 [ 3481.128391][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.128391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.128391][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.128391][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.128391][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.128391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.128391][ T10] [ 3481.130560][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3481.130560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.130560][ T10] ipv6_find_idev+0x102/0x170 [ 3481.130560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.130560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.130560][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.130560][ T10] netlink_unicast+0x449/0x710 [ 3481.130560][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.130560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.130560][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.130560][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.130560][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.130560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.130560][ T10] [ 3481.132298][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3481.132298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.132298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.132298][ T10] ipv6_find_idev+0x102/0x170 [ 3481.132298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.132298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.132298][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.132298][ T10] netlink_unicast+0x449/0x710 [ 3481.132298][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.132298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.132298][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.132298][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.132298][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.132298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.132298][ T10] [ 3481.134174][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3481.134435][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3481.134435][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.134435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.134435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.134435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.134435][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.134435][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.134435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.134435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.134435][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.134435][ T10] netlink_unicast+0x449/0x710 [ 3481.134435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.134435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.134435][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.134435][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.134435][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.134435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.134435][ T10] [ 3481.136701][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3481.136701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.136701][ T10] ipv6_find_idev+0x102/0x170 [ 3481.136701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.136701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.136701][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.136701][ T10] netlink_unicast+0x449/0x710 [ 3481.136701][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.136701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.136701][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.136701][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.136701][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.136701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.136701][ T10] [ 3481.138395][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3481.138395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.138395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.138395][ T10] ipv6_find_idev+0x102/0x170 [ 3481.138395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.138395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.138395][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.138395][ T10] netlink_unicast+0x449/0x710 [ 3481.138395][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.138395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.138395][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.138395][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.138395][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.138395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.138395][ T10] [ 3491.382016][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3491.382784][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3491.382784][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.382784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.382784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.382784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.382784][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.382784][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.382784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.382784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.382784][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.382784][ T10] netlink_unicast+0x449/0x710 [ 3491.382784][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.382784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.382784][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.382784][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.382784][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.382784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.382784][ T10] [ 3491.384733][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3491.384733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.384733][ T10] ipv6_find_idev+0x102/0x170 [ 3491.384733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.384733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.384733][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.384733][ T10] netlink_unicast+0x449/0x710 [ 3491.384733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.384733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.384733][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.384733][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.384733][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.384733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.384733][ T10] [ 3491.386307][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3491.386307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.386307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.386307][ T10] ipv6_find_idev+0x102/0x170 [ 3491.386307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.386307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.386307][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.386307][ T10] netlink_unicast+0x449/0x710 [ 3491.386307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.386307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.386307][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.386307][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.386307][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.386307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.386307][ T10] [ 3491.388013][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3491.388334][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3491.388334][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.388334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.388334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.388334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.388334][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.388334][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.388334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.388334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.388334][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.388334][ T10] netlink_unicast+0x449/0x710 [ 3491.388334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.388334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.388334][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.388334][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.388334][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.388334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.388334][ T10] [ 3491.390237][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3491.390237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.390237][ T10] ipv6_find_idev+0x102/0x170 [ 3491.390237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.390237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.390237][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.390237][ T10] netlink_unicast+0x449/0x710 [ 3491.390237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.390237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.390237][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.390237][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.390237][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.390237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.390237][ T10] [ 3491.391721][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3491.391721][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.391721][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.391721][ T10] ipv6_find_idev+0x102/0x170 [ 3491.391721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.391721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.391721][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.391721][ T10] netlink_unicast+0x449/0x710 [ 3491.391721][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.391721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.391721][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.391721][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.391721][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.391721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.391721][ T10] [ 3491.393484][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3491.393772][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3491.393772][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.393772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.393772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.393772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.393772][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.393772][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.393772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.393772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.393772][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.393772][ T10] netlink_unicast+0x449/0x710 [ 3491.393772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.393772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.393772][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.393772][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.393772][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.393772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.393772][ T10] [ 3491.395787][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3491.395787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.395787][ T10] ipv6_find_idev+0x102/0x170 [ 3491.395787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.395787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.395787][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.395787][ T10] netlink_unicast+0x449/0x710 [ 3491.395787][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.395787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.395787][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.395787][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.395787][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.395787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.395787][ T10] [ 3491.397345][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3491.397345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.397345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.397345][ T10] ipv6_find_idev+0x102/0x170 [ 3491.397345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.397345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.397345][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.397345][ T10] netlink_unicast+0x449/0x710 [ 3491.397345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.397345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.397345][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.397345][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.397345][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.397345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.397345][ T10] [ 3491.399070][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3491.399354][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3491.399354][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.399354][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.399354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.399354][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.399354][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.399354][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.399354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.399354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.399354][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.399354][ T10] netlink_unicast+0x449/0x710 [ 3491.399354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.399354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.399354][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.399354][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.399354][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.399354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.399354][ T10] [ 3491.401318][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3491.401318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.401318][ T10] ipv6_find_idev+0x102/0x170 [ 3491.401318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.401318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.401318][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.401318][ T10] netlink_unicast+0x449/0x710 [ 3491.401318][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.401318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.401318][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.401318][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.401318][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.401318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.401318][ T10] [ 3491.402839][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3491.402839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.402839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.402839][ T10] ipv6_find_idev+0x102/0x170 [ 3491.402839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.402839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.402839][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.402839][ T10] netlink_unicast+0x449/0x710 [ 3491.402839][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.402839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.402839][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.402839][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.402839][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.402839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.402839][ T10] [ 3491.404921][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3491.405189][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3491.405189][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.405189][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.405189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.405189][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.405189][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.405189][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.405189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.405189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.405189][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.405189][ T10] netlink_unicast+0x449/0x710 [ 3491.405189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.405189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.405189][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.405189][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.405189][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.405189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.405189][ T10] [ 3491.407184][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3491.407184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.407184][ T10] ipv6_find_idev+0x102/0x170 [ 3491.407184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.407184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.407184][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.407184][ T10] netlink_unicast+0x449/0x710 [ 3491.407184][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.407184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.407184][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.407184][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.407184][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.407184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.407184][ T10] [ 3491.408754][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3491.408754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.408754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.408754][ T10] ipv6_find_idev+0x102/0x170 [ 3491.408754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.408754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.408754][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.408754][ T10] netlink_unicast+0x449/0x710 [ 3491.408754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.408754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.408754][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.408754][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.408754][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.408754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.408754][ T10] [ 3491.410494][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3491.410780][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3491.410780][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.410780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.410780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.410780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.410780][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.410780][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.410780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.410780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.410780][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.410780][ T10] netlink_unicast+0x449/0x710 [ 3491.410780][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.410780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.410780][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.410780][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.410780][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.410780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.410780][ T10] [ 3491.413000][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3491.413000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.413000][ T10] ipv6_find_idev+0x102/0x170 [ 3491.413000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.413000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.413000][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.413000][ T10] netlink_unicast+0x449/0x710 [ 3491.413000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.413000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.413000][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.413000][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.413000][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.413000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.413000][ T10] [ 3491.414752][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3491.414752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.414752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.414752][ T10] ipv6_find_idev+0x102/0x170 [ 3491.414752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.414752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.414752][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.414752][ T10] netlink_unicast+0x449/0x710 [ 3491.414752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.414752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.414752][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.414752][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.414752][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.414752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.414752][ T10] [ 3491.416749][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3491.417083][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3491.417083][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.417083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.417083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.417083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.417083][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.417083][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.417083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.417083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.417083][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.417083][ T10] netlink_unicast+0x449/0x710 [ 3491.417083][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.417083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.417083][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.417083][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.417083][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.417083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.417083][ T10] [ 3491.419287][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3491.419287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.419287][ T10] ipv6_find_idev+0x102/0x170 [ 3491.419287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.419287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.419287][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.419287][ T10] netlink_unicast+0x449/0x710 [ 3491.419287][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.419287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.419287][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.419287][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.419287][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.419287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.419287][ T10] [ 3491.420984][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3491.420984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.420984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.420984][ T10] ipv6_find_idev+0x102/0x170 [ 3491.420984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.420984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.420984][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.420984][ T10] netlink_unicast+0x449/0x710 [ 3491.420984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.420984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.420984][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.420984][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.420984][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.420984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.420984][ T10] [ 3491.422932][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3491.423199][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3491.423199][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.423199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.423199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.423199][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.423199][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.423199][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.423199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.423199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.423199][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.423199][ T10] netlink_unicast+0x449/0x710 [ 3491.423199][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.423199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.423199][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.423199][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.423199][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.423199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.423199][ T10] [ 3491.425474][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3491.425474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.425474][ T10] ipv6_find_idev+0x102/0x170 [ 3491.425474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.425474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.425474][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.425474][ T10] netlink_unicast+0x449/0x710 [ 3491.425474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.425474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.425474][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.425474][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.425474][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.425474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.425474][ T10] [ 3491.427246][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3491.427246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.427246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.427246][ T10] ipv6_find_idev+0x102/0x170 [ 3491.427246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.427246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.427246][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.427246][ T10] netlink_unicast+0x449/0x710 [ 3491.427246][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.427246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.427246][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.427246][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.427246][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.427246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.427246][ T10] [ 3501.669973][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3501.670758][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3501.670758][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.670758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.670758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.670758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.670758][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.670758][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.670758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.670758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.670758][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.670758][ T10] netlink_unicast+0x449/0x710 [ 3501.670758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.670758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.670758][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.670758][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.670758][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.670758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.670758][ T10] [ 3501.672738][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3501.672738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.672738][ T10] ipv6_find_idev+0x102/0x170 [ 3501.672738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.672738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.672738][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.672738][ T10] netlink_unicast+0x449/0x710 [ 3501.672738][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.672738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.672738][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.672738][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.672738][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.672738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.672738][ T10] [ 3501.674255][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3501.674255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.674255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.674255][ T10] ipv6_find_idev+0x102/0x170 [ 3501.674255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.674255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.674255][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.674255][ T10] netlink_unicast+0x449/0x710 [ 3501.674255][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.674255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.674255][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.674255][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.674255][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.674255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.674255][ T10] [ 3501.675945][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3501.676242][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3501.676242][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.676242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.676242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.676242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.676242][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.676242][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.676242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.676242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.676242][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.676242][ T10] netlink_unicast+0x449/0x710 [ 3501.676242][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.676242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.676242][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.676242][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.676242][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.676242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.676242][ T10] [ 3501.678273][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3501.678273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.678273][ T10] ipv6_find_idev+0x102/0x170 [ 3501.678273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.678273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.678273][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.678273][ T10] netlink_unicast+0x449/0x710 [ 3501.678273][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.678273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.678273][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.678273][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.678273][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.678273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.678273][ T10] [ 3501.679801][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3501.679801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.679801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.679801][ T10] ipv6_find_idev+0x102/0x170 [ 3501.679801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.679801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.679801][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.679801][ T10] netlink_unicast+0x449/0x710 [ 3501.679801][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.679801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.679801][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.679801][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.679801][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.679801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.679801][ T10] [ 3501.681470][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3501.681746][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3501.681746][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.681746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.681746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.681746][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.681746][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.681746][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.681746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.681746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.681746][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.681746][ T10] netlink_unicast+0x449/0x710 [ 3501.681746][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.681746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.681746][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.681746][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.681746][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.681746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.681746][ T10] [ 3501.683686][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3501.683686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.683686][ T10] ipv6_find_idev+0x102/0x170 [ 3501.683686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.683686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.683686][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.683686][ T10] netlink_unicast+0x449/0x710 [ 3501.683686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.683686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.683686][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.683686][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.683686][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.683686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.683686][ T10] [ 3501.685137][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3501.685137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.685137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.685137][ T10] ipv6_find_idev+0x102/0x170 [ 3501.685137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.685137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.685137][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.685137][ T10] netlink_unicast+0x449/0x710 [ 3501.685137][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.685137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.685137][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.685137][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.685137][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.685137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.685137][ T10] [ 3501.686831][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3501.687103][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3501.687103][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.687103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.687103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.687103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.687103][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.687103][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.687103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.687103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.687103][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.687103][ T10] netlink_unicast+0x449/0x710 [ 3501.687103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.687103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.687103][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.687103][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.687103][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.687103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.687103][ T10] [ 3501.689092][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3501.689092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.689092][ T10] ipv6_find_idev+0x102/0x170 [ 3501.689092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.689092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.689092][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.689092][ T10] netlink_unicast+0x449/0x710 [ 3501.689092][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.689092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.689092][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.689092][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.689092][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.689092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.689092][ T10] [ 3501.690597][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3501.690597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.690597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.690597][ T10] ipv6_find_idev+0x102/0x170 [ 3501.690597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.690597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.690597][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.690597][ T10] netlink_unicast+0x449/0x710 [ 3501.690597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.690597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.690597][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.690597][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.690597][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.690597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.690597][ T10] [ 3501.692667][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3501.693277][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3501.693277][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.693277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.693277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.693277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.693277][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.693277][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.693277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.693277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.693277][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.693277][ T10] netlink_unicast+0x449/0x710 [ 3501.693277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.693277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.693277][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.693277][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.693277][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.693277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.693277][ T10] [ 3501.695197][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3501.695197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.695197][ T10] ipv6_find_idev+0x102/0x170 [ 3501.695197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.695197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.695197][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.695197][ T10] netlink_unicast+0x449/0x710 [ 3501.695197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.695197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.695197][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.695197][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.695197][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.695197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.695197][ T10] [ 3501.696747][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3501.696747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.696747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.696747][ T10] ipv6_find_idev+0x102/0x170 [ 3501.696747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.696747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.696747][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.696747][ T10] netlink_unicast+0x449/0x710 [ 3501.696747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.696747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.696747][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.696747][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.696747][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.696747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.696747][ T10] [ 3501.698409][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3501.698694][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3501.698694][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.698694][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.698694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.698694][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.698694][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.698694][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.698694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.698694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.698694][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.698694][ T10] netlink_unicast+0x449/0x710 [ 3501.698694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.698694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.698694][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.698694][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.698694][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.698694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.698694][ T10] [ 3501.700727][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3501.700727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.700727][ T10] ipv6_find_idev+0x102/0x170 [ 3501.700727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.700727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.700727][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.700727][ T10] netlink_unicast+0x449/0x710 [ 3501.700727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.700727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.700727][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.700727][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.700727][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.700727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.700727][ T10] [ 3501.702386][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3501.702386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.702386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.702386][ T10] ipv6_find_idev+0x102/0x170 [ 3501.702386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.702386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.702386][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.702386][ T10] netlink_unicast+0x449/0x710 [ 3501.702386][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.702386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.702386][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.702386][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.702386][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.702386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.702386][ T10] [ 3501.704376][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3501.704641][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3501.704641][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.704641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.704641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.704641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.704641][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.704641][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.704641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.704641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.704641][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.704641][ T10] netlink_unicast+0x449/0x710 [ 3501.704641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.704641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.704641][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.704641][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.704641][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.704641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.704641][ T10] [ 3501.706915][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3501.706915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.706915][ T10] ipv6_find_idev+0x102/0x170 [ 3501.706915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.706915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.706915][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.706915][ T10] netlink_unicast+0x449/0x710 [ 3501.706915][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.706915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.706915][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.706915][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.706915][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.706915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.706915][ T10] [ 3501.708565][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3501.708565][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.708565][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.708565][ T10] ipv6_find_idev+0x102/0x170 [ 3501.708565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.708565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.708565][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.708565][ T10] netlink_unicast+0x449/0x710 [ 3501.708565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.708565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.708565][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.708565][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.708565][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.708565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.708565][ T10] [ 3501.710532][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3501.710863][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3501.710863][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.710863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.710863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.710863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.710863][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.710863][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.710863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.710863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.710863][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.710863][ T10] netlink_unicast+0x449/0x710 [ 3501.710863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.710863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.710863][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.710863][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.710863][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.710863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.710863][ T10] [ 3501.713033][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3501.713033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.713033][ T10] ipv6_find_idev+0x102/0x170 [ 3501.713033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.713033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.713033][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.713033][ T10] netlink_unicast+0x449/0x710 [ 3501.713033][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.713033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.713033][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.713033][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.713033][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.713033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.713033][ T10] [ 3501.714778][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3501.714778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.714778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.714778][ T10] ipv6_find_idev+0x102/0x170 [ 3501.714778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.714778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.714778][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.714778][ T10] netlink_unicast+0x449/0x710 [ 3501.714778][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.714778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.714778][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.714778][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.714778][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.714778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.714778][ T10] [ 3511.958023][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3511.958946][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3511.958946][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.958946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.958946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.958946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.958946][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.958946][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.958946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.958946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.958946][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.958946][ T10] netlink_unicast+0x449/0x710 [ 3511.958946][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.958946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.958946][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.958946][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.958946][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.958946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.958946][ T10] [ 3511.960957][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3511.960957][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3511.960957][ T10] ipv6_find_idev+0x102/0x170 [ 3511.960957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.960957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.960957][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.960957][ T10] netlink_unicast+0x449/0x710 [ 3511.960957][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.960957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.960957][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.960957][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.960957][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.960957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.960957][ T10] [ 3511.962546][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3511.962546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3511.962546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3511.962546][ T10] ipv6_find_idev+0x102/0x170 [ 3511.962546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.962546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.962546][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.962546][ T10] netlink_unicast+0x449/0x710 [ 3511.962546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.962546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.962546][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.962546][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.962546][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.962546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.962546][ T10] [ 3511.964262][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3511.964542][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3511.964542][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.964542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.964542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.964542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.964542][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.964542][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.964542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.964542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.964542][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.964542][ T10] netlink_unicast+0x449/0x710 [ 3511.964542][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.964542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.964542][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.964542][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.964542][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.964542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.964542][ T10] [ 3511.966521][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3511.966521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3511.966521][ T10] ipv6_find_idev+0x102/0x170 [ 3511.966521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.966521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.966521][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.966521][ T10] netlink_unicast+0x449/0x710 [ 3511.966521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.966521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.966521][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.966521][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.966521][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.966521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.966521][ T10] [ 3511.968103][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3511.968103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3511.968103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3511.968103][ T10] ipv6_find_idev+0x102/0x170 [ 3511.968103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.968103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.968103][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.968103][ T10] netlink_unicast+0x449/0x710 [ 3511.968103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.968103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.968103][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.968103][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.968103][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.968103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.968103][ T10] [ 3511.969702][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3511.970026][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3511.970026][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.970026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.970026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.970026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.970026][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.970026][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.970026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.970026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.970026][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.970026][ T10] netlink_unicast+0x449/0x710 [ 3511.970026][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.970026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.970026][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.970026][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.970026][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.970026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.970026][ T10] [ 3511.971974][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3511.971974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3511.971974][ T10] ipv6_find_idev+0x102/0x170 [ 3511.971974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.971974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.971974][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.971974][ T10] netlink_unicast+0x449/0x710 [ 3511.971974][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.971974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.971974][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.971974][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.971974][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.971974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.971974][ T10] [ 3511.973538][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3511.973538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3511.973538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3511.973538][ T10] ipv6_find_idev+0x102/0x170 [ 3511.973538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.973538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.973538][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.973538][ T10] netlink_unicast+0x449/0x710 [ 3511.973538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.973538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.973538][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.973538][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.973538][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.973538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.973538][ T10] [ 3511.975252][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3511.975548][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3511.975548][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.975548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.975548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.975548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.975548][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.975548][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.975548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.975548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.975548][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.975548][ T10] netlink_unicast+0x449/0x710 [ 3511.975548][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.975548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.975548][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.975548][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.975548][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.975548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.975548][ T10] [ 3511.977601][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3511.977601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3511.977601][ T10] ipv6_find_idev+0x102/0x170 [ 3511.977601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.977601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.977601][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.977601][ T10] netlink_unicast+0x449/0x710 [ 3511.977601][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.977601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.977601][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.977601][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.977601][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.977601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.977601][ T10] [ 3511.979143][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3511.979143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3511.979143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3511.979143][ T10] ipv6_find_idev+0x102/0x170 [ 3511.979143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.979143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.979143][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.979143][ T10] netlink_unicast+0x449/0x710 [ 3511.979143][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.979143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.979143][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.979143][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.979143][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.979143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.979143][ T10] [ 3511.980800][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3511.981082][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3511.981082][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.981082][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.981082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.981082][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.981082][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.981082][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.981082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.981082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.981082][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.981082][ T10] netlink_unicast+0x449/0x710 [ 3511.981082][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.981082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.981082][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.981082][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.981082][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.981082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.981082][ T10] [ 3511.983146][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3511.983146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3511.983146][ T10] ipv6_find_idev+0x102/0x170 [ 3511.983146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.983146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.983146][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.983146][ T10] netlink_unicast+0x449/0x710 [ 3511.983146][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.983146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.983146][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.983146][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.983146][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.983146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.983146][ T10] [ 3511.984771][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3511.984771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3511.984771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3511.984771][ T10] ipv6_find_idev+0x102/0x170 [ 3511.984771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.984771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.984771][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.984771][ T10] netlink_unicast+0x449/0x710 [ 3511.984771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.984771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.984771][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.984771][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.984771][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.984771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.984771][ T10] [ 3511.987185][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3511.987449][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3511.987449][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.987449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.987449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.987449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.987449][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.987449][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.987449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.987449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.987449][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.987449][ T10] netlink_unicast+0x449/0x710 [ 3511.987449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.987449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.987449][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.987449][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.987449][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.987449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.987449][ T10] [ 3511.989461][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3511.989461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3511.989461][ T10] ipv6_find_idev+0x102/0x170 [ 3511.989461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.989461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.989461][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.989461][ T10] netlink_unicast+0x449/0x710 [ 3511.989461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.989461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.989461][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.989461][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.989461][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.989461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.989461][ T10] [ 3511.991098][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3511.991098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3511.991098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3511.991098][ T10] ipv6_find_idev+0x102/0x170 [ 3511.991098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.991098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.991098][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.991098][ T10] netlink_unicast+0x449/0x710 [ 3511.991098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.991098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.991098][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.991098][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.991098][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.991098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.991098][ T10] [ 3511.993037][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3511.993307][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3511.993307][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.993307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.993307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.993307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.993307][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.993307][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.993307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.993307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.993307][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.993307][ T10] netlink_unicast+0x449/0x710 [ 3511.993307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.993307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.993307][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.993307][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.993307][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.993307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.993307][ T10] [ 3511.995578][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3511.995578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3511.995578][ T10] ipv6_find_idev+0x102/0x170 [ 3511.995578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.995578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.995578][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.995578][ T10] netlink_unicast+0x449/0x710 [ 3511.995578][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.995578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.995578][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.995578][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.995578][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.995578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.995578][ T10] [ 3511.997320][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3511.997320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3511.997320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3511.997320][ T10] ipv6_find_idev+0x102/0x170 [ 3511.997320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.997320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.997320][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.997320][ T10] netlink_unicast+0x449/0x710 [ 3511.997320][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.997320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.997320][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.997320][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.997320][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.997320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.997320][ T10] [ 3511.999209][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3511.999472][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3511.999472][ T10] netdev_get_by_index+0x5e/0x80 [ 3511.999472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3511.999472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3511.999472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3511.999472][ T10] ipv6_add_addr+0x411/0x2000 [ 3511.999472][ T10] inet6_addr_add+0x30e/0xa40 [ 3511.999472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.999472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.999472][ T10] netlink_rcv_skb+0x130/0x360 [ 3511.999472][ T10] netlink_unicast+0x449/0x710 [ 3511.999472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3511.999472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3511.999472][ T10] ___sys_sendmsg+0xee/0x170 [ 3511.999472][ T10] __sys_sendmsg+0xcd/0x170 [ 3511.999472][ T10] do_syscall_64+0xc6/0x1e0 [ 3511.999472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.999472][ T10] [ 3512.001799][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3512.001799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.001799][ T10] ipv6_find_idev+0x102/0x170 [ 3512.001799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.001799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.001799][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.001799][ T10] netlink_unicast+0x449/0x710 [ 3512.001799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.001799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.001799][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.001799][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.001799][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.001799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.001799][ T10] [ 3512.003520][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3512.003520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.003520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.003520][ T10] ipv6_find_idev+0x102/0x170 [ 3512.003520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.003520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.003520][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.003520][ T10] netlink_unicast+0x449/0x710 [ 3512.003520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.003520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.003520][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.003520][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.003520][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.003520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.003520][ T10] [ 3522.245926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3522.246604][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3522.246604][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.246604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.246604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.246604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.246604][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.246604][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.246604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.246604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.246604][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.246604][ T10] netlink_unicast+0x449/0x710 [ 3522.246604][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.246604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.246604][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.246604][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.246604][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.246604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.246604][ T10] [ 3522.248661][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3522.248661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.248661][ T10] ipv6_find_idev+0x102/0x170 [ 3522.248661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.248661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.248661][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.248661][ T10] netlink_unicast+0x449/0x710 [ 3522.248661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.248661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.248661][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.248661][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.248661][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.248661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.248661][ T10] [ 3522.250113][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3522.250113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.250113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.250113][ T10] ipv6_find_idev+0x102/0x170 [ 3522.250113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.250113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.250113][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.250113][ T10] netlink_unicast+0x449/0x710 [ 3522.250113][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.250113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.250113][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.250113][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.250113][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.250113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.250113][ T10] [ 3522.251706][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3522.252027][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3522.252027][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.252027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.252027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.252027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.252027][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.252027][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.252027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.252027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.252027][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.252027][ T10] netlink_unicast+0x449/0x710 [ 3522.252027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.252027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.252027][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.252027][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.252027][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.252027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.252027][ T10] [ 3522.254139][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3522.254139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.254139][ T10] ipv6_find_idev+0x102/0x170 [ 3522.254139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.254139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.254139][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.254139][ T10] netlink_unicast+0x449/0x710 [ 3522.254139][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.254139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.254139][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.254139][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.254139][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.254139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.254139][ T10] [ 3522.255720][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3522.255720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.255720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.255720][ T10] ipv6_find_idev+0x102/0x170 [ 3522.255720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.255720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.255720][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.255720][ T10] netlink_unicast+0x449/0x710 [ 3522.255720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.255720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.255720][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.255720][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.255720][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.255720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.255720][ T10] [ 3522.257489][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3522.257776][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3522.257776][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.257776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.257776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.257776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.257776][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.257776][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.257776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.257776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.257776][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.257776][ T10] netlink_unicast+0x449/0x710 [ 3522.257776][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.257776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.257776][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.257776][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.257776][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.257776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.257776][ T10] [ 3522.259786][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3522.259786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.259786][ T10] ipv6_find_idev+0x102/0x170 [ 3522.259786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.259786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.259786][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.259786][ T10] netlink_unicast+0x449/0x710 [ 3522.259786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.259786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.259786][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.259786][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.259786][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.259786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.259786][ T10] [ 3522.261306][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3522.261306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.261306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.261306][ T10] ipv6_find_idev+0x102/0x170 [ 3522.261306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.261306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.261306][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.261306][ T10] netlink_unicast+0x449/0x710 [ 3522.261306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.261306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.261306][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.261306][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.261306][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.261306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.261306][ T10] [ 3522.262976][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3522.263233][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3522.263233][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.263233][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.263233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.263233][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.263233][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.263233][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.263233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.263233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.263233][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.263233][ T10] netlink_unicast+0x449/0x710 [ 3522.263233][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.263233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.263233][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.263233][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.263233][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.263233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.263233][ T10] [ 3522.265271][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3522.265271][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.265271][ T10] ipv6_find_idev+0x102/0x170 [ 3522.265271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.265271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.265271][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.265271][ T10] netlink_unicast+0x449/0x710 [ 3522.265271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.265271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.265271][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.265271][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.265271][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.265271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.265271][ T10] [ 3522.266843][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3522.266843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.266843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.266843][ T10] ipv6_find_idev+0x102/0x170 [ 3522.266843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.266843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.266843][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.266843][ T10] netlink_unicast+0x449/0x710 [ 3522.266843][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.266843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.266843][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.266843][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.266843][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.266843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.266843][ T10] [ 3522.268994][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3522.269265][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3522.269265][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.269265][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.269265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.269265][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.269265][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.269265][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.269265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.269265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.269265][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.269265][ T10] netlink_unicast+0x449/0x710 [ 3522.269265][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.269265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.269265][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.269265][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.269265][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.269265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.269265][ T10] [ 3522.271288][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3522.271288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.271288][ T10] ipv6_find_idev+0x102/0x170 [ 3522.271288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.271288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.271288][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.271288][ T10] netlink_unicast+0x449/0x710 [ 3522.271288][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.271288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.271288][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.271288][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.271288][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.271288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.271288][ T10] [ 3522.272843][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3522.272843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.272843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.272843][ T10] ipv6_find_idev+0x102/0x170 [ 3522.272843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.272843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.272843][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.272843][ T10] netlink_unicast+0x449/0x710 [ 3522.272843][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.272843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.272843][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.272843][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.272843][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.272843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.272843][ T10] [ 3522.274605][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3522.274938][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3522.274938][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.274938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.274938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.274938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.274938][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.274938][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.274938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.274938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.274938][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.274938][ T10] netlink_unicast+0x449/0x710 [ 3522.274938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.274938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.274938][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.274938][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.274938][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.274938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.274938][ T10] [ 3522.277109][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3522.277109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.277109][ T10] ipv6_find_idev+0x102/0x170 [ 3522.277109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.277109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.277109][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.277109][ T10] netlink_unicast+0x449/0x710 [ 3522.277109][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.277109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.277109][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.277109][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.277109][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.277109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.277109][ T10] [ 3522.278898][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3522.278898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.278898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.278898][ T10] ipv6_find_idev+0x102/0x170 [ 3522.278898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.278898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.278898][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.278898][ T10] netlink_unicast+0x449/0x710 [ 3522.278898][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.278898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.278898][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.278898][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.278898][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.278898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.278898][ T10] [ 3522.280763][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3522.281104][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3522.281104][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.281104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.281104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.281104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.281104][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.281104][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.281104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.281104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.281104][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.281104][ T10] netlink_unicast+0x449/0x710 [ 3522.281104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.281104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.281104][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.281104][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.281104][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.281104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.281104][ T10] [ 3522.283295][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3522.283295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.283295][ T10] ipv6_find_idev+0x102/0x170 [ 3522.283295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.283295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.283295][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.283295][ T10] netlink_unicast+0x449/0x710 [ 3522.283295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.283295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.283295][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.283295][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.283295][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.283295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.283295][ T10] [ 3522.284988][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3522.284988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.284988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.284988][ T10] ipv6_find_idev+0x102/0x170 [ 3522.284988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.284988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.284988][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.284988][ T10] netlink_unicast+0x449/0x710 [ 3522.284988][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.284988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.284988][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.284988][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.284988][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.284988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.284988][ T10] [ 3522.286947][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3522.287262][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3522.287262][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.287262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.287262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.287262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.287262][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.287262][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.287262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.287262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.287262][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.287262][ T10] netlink_unicast+0x449/0x710 [ 3522.287262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.287262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.287262][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.287262][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.287262][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.287262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.287262][ T10] [ 3522.289507][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3522.289507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.289507][ T10] ipv6_find_idev+0x102/0x170 [ 3522.289507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.289507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.289507][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.289507][ T10] netlink_unicast+0x449/0x710 [ 3522.289507][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.289507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.289507][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.289507][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.289507][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.289507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.289507][ T10] [ 3522.291193][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3522.291193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.291193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.291193][ T10] ipv6_find_idev+0x102/0x170 [ 3522.291193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.291193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.291193][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.291193][ T10] netlink_unicast+0x449/0x710 [ 3522.291193][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.291193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.291193][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.291193][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.291193][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.291193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.291193][ T10] [ 3532.534007][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3532.534675][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3532.534675][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.534675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.534675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.534675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.534675][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.534675][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.534675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.534675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.534675][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.534675][ T10] netlink_unicast+0x449/0x710 [ 3532.534675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.534675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.534675][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.534675][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.534675][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.534675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.534675][ T10] [ 3532.537419][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3532.537419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.537419][ T10] ipv6_find_idev+0x102/0x170 [ 3532.537419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.537419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.537419][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.537419][ T10] netlink_unicast+0x449/0x710 [ 3532.537419][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.537419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.537419][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.537419][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.537419][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.537419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.537419][ T10] [ 3532.539425][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3532.539425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.539425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.539425][ T10] ipv6_find_idev+0x102/0x170 [ 3532.539425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.539425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.539425][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.539425][ T10] netlink_unicast+0x449/0x710 [ 3532.539425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.539425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.539425][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.539425][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.539425][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.539425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.539425][ T10] [ 3532.541468][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3532.541874][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3532.541874][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.541874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.541874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.541874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.541874][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.541874][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.541874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.541874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.541874][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.541874][ T10] netlink_unicast+0x449/0x710 [ 3532.541874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.541874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.541874][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.541874][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.541874][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.541874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.541874][ T10] [ 3532.544569][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3532.544569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.544569][ T10] ipv6_find_idev+0x102/0x170 [ 3532.544569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.544569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.544569][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.544569][ T10] netlink_unicast+0x449/0x710 [ 3532.544569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.544569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.544569][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.544569][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.544569][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.544569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.544569][ T10] [ 3532.546538][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3532.546538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.546538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.546538][ T10] ipv6_find_idev+0x102/0x170 [ 3532.546538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.546538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.546538][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.546538][ T10] netlink_unicast+0x449/0x710 [ 3532.546538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.546538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.546538][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.546538][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.546538][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.546538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.546538][ T10] [ 3532.548745][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3532.549579][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3532.549579][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.549579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.549579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.549579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.549579][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.549579][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.549579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.549579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.549579][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.549579][ T10] netlink_unicast+0x449/0x710 [ 3532.549579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.549579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.549579][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.549579][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.549579][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.549579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.549579][ T10] [ 3532.552221][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3532.552221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.552221][ T10] ipv6_find_idev+0x102/0x170 [ 3532.552221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.552221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.552221][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.552221][ T10] netlink_unicast+0x449/0x710 [ 3532.552221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.552221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.552221][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.552221][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.552221][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.552221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.552221][ T10] [ 3532.554308][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3532.554308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.554308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.554308][ T10] ipv6_find_idev+0x102/0x170 [ 3532.554308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.554308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.554308][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.554308][ T10] netlink_unicast+0x449/0x710 [ 3532.554308][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.554308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.554308][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.554308][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.554308][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.554308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.554308][ T10] [ 3532.556581][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3532.556950][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3532.556950][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.556950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.556950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.556950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.556950][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.556950][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.556950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.556950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.556950][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.556950][ T10] netlink_unicast+0x449/0x710 [ 3532.556950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.556950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.556950][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.556950][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.556950][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.556950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.556950][ T10] [ 3532.559552][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3532.559552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.559552][ T10] ipv6_find_idev+0x102/0x170 [ 3532.559552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.559552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.559552][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.559552][ T10] netlink_unicast+0x449/0x710 [ 3532.559552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.559552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.559552][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.559552][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.559552][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.559552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.559552][ T10] [ 3532.561581][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3532.561581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.561581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.561581][ T10] ipv6_find_idev+0x102/0x170 [ 3532.561581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.561581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.561581][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.561581][ T10] netlink_unicast+0x449/0x710 [ 3532.561581][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.561581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.561581][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.561581][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.561581][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.561581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.561581][ T10] [ 3532.563728][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3532.564134][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3532.564134][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.564134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.564134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.564134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.564134][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.564134][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.564134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.564134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.564134][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.564134][ T10] netlink_unicast+0x449/0x710 [ 3532.564134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.564134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.564134][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.564134][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.564134][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.564134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.564134][ T10] [ 3532.566901][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3532.566901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.566901][ T10] ipv6_find_idev+0x102/0x170 [ 3532.566901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.566901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.566901][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.566901][ T10] netlink_unicast+0x449/0x710 [ 3532.566901][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.566901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.566901][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.566901][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.566901][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.566901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.566901][ T10] [ 3532.568847][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3532.568847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.568847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.568847][ T10] ipv6_find_idev+0x102/0x170 [ 3532.568847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.568847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.568847][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.568847][ T10] netlink_unicast+0x449/0x710 [ 3532.568847][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.568847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.568847][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.568847][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.568847][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.568847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.568847][ T10] [ 3532.571055][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3532.571391][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3532.571391][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.571391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.571391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.571391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.571391][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.571391][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.571391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.571391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.571391][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.571391][ T10] netlink_unicast+0x449/0x710 [ 3532.571391][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.571391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.571391][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.571391][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.571391][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.571391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.571391][ T10] [ 3532.573996][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3532.573996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.573996][ T10] ipv6_find_idev+0x102/0x170 [ 3532.573996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.573996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.573996][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.573996][ T10] netlink_unicast+0x449/0x710 [ 3532.573996][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.573996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.573996][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.573996][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.573996][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.573996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.573996][ T10] [ 3532.576213][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3532.576213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.576213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.576213][ T10] ipv6_find_idev+0x102/0x170 [ 3532.576213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.576213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.576213][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.576213][ T10] netlink_unicast+0x449/0x710 [ 3532.576213][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.576213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.576213][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.576213][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.576213][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.576213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.576213][ T10] [ 3532.578716][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3532.579093][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3532.579093][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.579093][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.579093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.579093][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.579093][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.579093][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.579093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.579093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.579093][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.579093][ T10] netlink_unicast+0x449/0x710 [ 3532.579093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.579093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.579093][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.579093][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.579093][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.579093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.579093][ T10] [ 3532.581897][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3532.581897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.581897][ T10] ipv6_find_idev+0x102/0x170 [ 3532.581897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.581897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.581897][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.581897][ T10] netlink_unicast+0x449/0x710 [ 3532.581897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.581897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.581897][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.581897][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.581897][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.581897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.581897][ T10] [ 3532.584057][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3532.584057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.584057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.584057][ T10] ipv6_find_idev+0x102/0x170 [ 3532.584057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.584057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.584057][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.584057][ T10] netlink_unicast+0x449/0x710 [ 3532.584057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.584057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.584057][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.584057][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.584057][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.584057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.584057][ T10] [ 3532.587028][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3532.587322][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3532.587322][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.587322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.587322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.587322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.587322][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.587322][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.587322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.587322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.587322][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.587322][ T10] netlink_unicast+0x449/0x710 [ 3532.587322][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.587322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.587322][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.587322][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.587322][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.587322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.587322][ T10] [ 3532.589985][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3532.589985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.589985][ T10] ipv6_find_idev+0x102/0x170 [ 3532.589985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.589985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.589985][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.589985][ T10] netlink_unicast+0x449/0x710 [ 3532.589985][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.589985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.589985][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.589985][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.589985][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.589985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.589985][ T10] [ 3532.592061][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3532.592061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.592061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.592061][ T10] ipv6_find_idev+0x102/0x170 [ 3532.592061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.592061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.592061][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.592061][ T10] netlink_unicast+0x449/0x710 [ 3532.592061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.592061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.592061][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.592061][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.592061][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.592061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.592061][ T10] [ 3542.662028][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3542.662733][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3542.662733][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.662733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.662733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.662733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.662733][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.662733][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.662733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.662733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.662733][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.662733][ T10] netlink_unicast+0x449/0x710 [ 3542.662733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.662733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.662733][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.662733][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.662733][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.662733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.662733][ T10] [ 3542.664731][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3542.664731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.664731][ T10] ipv6_find_idev+0x102/0x170 [ 3542.664731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.664731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.664731][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.664731][ T10] netlink_unicast+0x449/0x710 [ 3542.664731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.664731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.664731][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.664731][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.664731][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.664731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.664731][ T10] [ 3542.666281][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3542.666281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.666281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.666281][ T10] ipv6_find_idev+0x102/0x170 [ 3542.666281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.666281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.666281][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.666281][ T10] netlink_unicast+0x449/0x710 [ 3542.666281][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.666281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.666281][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.666281][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.666281][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.666281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.666281][ T10] [ 3542.667878][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3542.668187][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3542.668187][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.668187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.668187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.668187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.668187][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.668187][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.668187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.668187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.668187][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.668187][ T10] netlink_unicast+0x449/0x710 [ 3542.668187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.668187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.668187][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.668187][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.668187][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.668187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.668187][ T10] [ 3542.670183][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3542.670183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.670183][ T10] ipv6_find_idev+0x102/0x170 [ 3542.670183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.670183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.670183][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.670183][ T10] netlink_unicast+0x449/0x710 [ 3542.670183][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.670183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.670183][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.670183][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.670183][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.670183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.670183][ T10] [ 3542.671740][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3542.671740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.671740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.671740][ T10] ipv6_find_idev+0x102/0x170 [ 3542.671740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.671740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.671740][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.671740][ T10] netlink_unicast+0x449/0x710 [ 3542.671740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.671740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.671740][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.671740][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.671740][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.671740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.671740][ T10] [ 3542.673962][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3542.674321][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3542.674321][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.674321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.674321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.674321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.674321][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.674321][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.674321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.674321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.674321][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.674321][ T10] netlink_unicast+0x449/0x710 [ 3542.674321][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.674321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.674321][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.674321][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.674321][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.674321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.674321][ T10] [ 3542.676948][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3542.676948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.676948][ T10] ipv6_find_idev+0x102/0x170 [ 3542.676948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.676948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.676948][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.676948][ T10] netlink_unicast+0x449/0x710 [ 3542.676948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.676948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.676948][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.676948][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.676948][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.676948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.676948][ T10] [ 3542.678923][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3542.678923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.678923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.678923][ T10] ipv6_find_idev+0x102/0x170 [ 3542.678923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.678923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.678923][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.678923][ T10] netlink_unicast+0x449/0x710 [ 3542.678923][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.678923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.678923][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.678923][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.678923][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.678923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.678923][ T10] [ 3542.681177][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3542.681534][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3542.681534][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.681534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.681534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.681534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.681534][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.681534][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.681534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.681534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.681534][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.681534][ T10] netlink_unicast+0x449/0x710 [ 3542.681534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.681534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.681534][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.681534][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.681534][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.681534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.681534][ T10] [ 3542.683968][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3542.683968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.683968][ T10] ipv6_find_idev+0x102/0x170 [ 3542.683968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.683968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.683968][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.683968][ T10] netlink_unicast+0x449/0x710 [ 3542.683968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.683968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.683968][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.683968][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.683968][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.683968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.683968][ T10] [ 3542.686093][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3542.686093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.686093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.686093][ T10] ipv6_find_idev+0x102/0x170 [ 3542.686093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.686093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.686093][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.686093][ T10] netlink_unicast+0x449/0x710 [ 3542.686093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.686093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.686093][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.686093][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.686093][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.686093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.686093][ T10] [ 3542.688661][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3542.689346][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3542.689346][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.689346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.689346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.689346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.689346][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.689346][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.689346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.689346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.689346][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.689346][ T10] netlink_unicast+0x449/0x710 [ 3542.689346][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.689346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.689346][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.689346][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.689346][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.689346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.689346][ T10] [ 3542.691950][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3542.691950][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.691950][ T10] ipv6_find_idev+0x102/0x170 [ 3542.691950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.691950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.691950][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.691950][ T10] netlink_unicast+0x449/0x710 [ 3542.691950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.691950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.691950][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.691950][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.691950][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.691950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.691950][ T10] [ 3542.693944][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3542.693944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.693944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.693944][ T10] ipv6_find_idev+0x102/0x170 [ 3542.693944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.693944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.693944][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.693944][ T10] netlink_unicast+0x449/0x710 [ 3542.693944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.693944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.693944][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.693944][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.693944][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.693944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.693944][ T10] [ 3542.696033][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3542.696392][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3542.696392][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.696392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.696392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.696392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.696392][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.696392][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.696392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.696392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.696392][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.696392][ T10] netlink_unicast+0x449/0x710 [ 3542.696392][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.696392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.696392][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.696392][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.696392][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.696392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.696392][ T10] [ 3542.698974][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3542.698974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.698974][ T10] ipv6_find_idev+0x102/0x170 [ 3542.698974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.698974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.698974][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.698974][ T10] netlink_unicast+0x449/0x710 [ 3542.698974][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.698974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.698974][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.698974][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.698974][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.698974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.698974][ T10] [ 3542.700956][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3542.700956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.700956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.700956][ T10] ipv6_find_idev+0x102/0x170 [ 3542.700956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.700956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.700956][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.700956][ T10] netlink_unicast+0x449/0x710 [ 3542.700956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.700956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.700956][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.700956][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.700956][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.700956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.700956][ T10] [ 3542.703535][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3542.703950][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3542.703950][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.703950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.703950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.703950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.703950][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.703950][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.703950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.703950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.703950][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.703950][ T10] netlink_unicast+0x449/0x710 [ 3542.703950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.703950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.703950][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.703950][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.703950][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.703950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.703950][ T10] [ 3542.706643][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3542.706643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.706643][ T10] ipv6_find_idev+0x102/0x170 [ 3542.706643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.706643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.706643][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.706643][ T10] netlink_unicast+0x449/0x710 [ 3542.706643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.706643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.706643][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.706643][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.706643][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.706643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.706643][ T10] [ 3542.708869][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3542.708869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.708869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.708869][ T10] ipv6_find_idev+0x102/0x170 [ 3542.708869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.708869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.708869][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.708869][ T10] netlink_unicast+0x449/0x710 [ 3542.708869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.708869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.708869][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.708869][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.708869][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.708869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.708869][ T10] [ 3542.711112][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3542.711504][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3542.711504][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.711504][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.711504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.711504][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.711504][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.711504][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.711504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.711504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.711504][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.711504][ T10] netlink_unicast+0x449/0x710 [ 3542.711504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.711504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.711504][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.711504][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.711504][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.711504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.711504][ T10] [ 3542.714278][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3542.714278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.714278][ T10] ipv6_find_idev+0x102/0x170 [ 3542.714278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.714278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.714278][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.714278][ T10] netlink_unicast+0x449/0x710 [ 3542.714278][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.714278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.714278][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.714278][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.714278][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.714278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.714278][ T10] [ 3542.716481][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3542.716481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.716481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.716481][ T10] ipv6_find_idev+0x102/0x170 [ 3542.716481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.716481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.716481][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.716481][ T10] netlink_unicast+0x449/0x710 [ 3542.716481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.716481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.716481][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.716481][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.716481][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.716481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.716481][ T10] [ 3552.958003][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3552.958784][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3552.958784][ T10] netdev_get_by_index+0x5e/0x80 [ 3552.958784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3552.958784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3552.958784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3552.958784][ T10] ipv6_add_addr+0x411/0x2000 [ 3552.958784][ T10] inet6_addr_add+0x30e/0xa40 [ 3552.958784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.958784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.958784][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.958784][ T10] netlink_unicast+0x449/0x710 [ 3552.958784][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.958784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.958784][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.958784][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.958784][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.958784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.958784][ T10] [ 3552.960720][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3552.960720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3552.960720][ T10] ipv6_find_idev+0x102/0x170 [ 3552.960720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.960720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.960720][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.960720][ T10] netlink_unicast+0x449/0x710 [ 3552.960720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.960720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.960720][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.960720][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.960720][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.960720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.960720][ T10] [ 3552.962273][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3552.962273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3552.962273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3552.962273][ T10] ipv6_find_idev+0x102/0x170 [ 3552.962273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.962273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.962273][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.962273][ T10] netlink_unicast+0x449/0x710 [ 3552.962273][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.962273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.962273][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.962273][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.962273][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.962273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.962273][ T10] [ 3552.963864][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3552.964162][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3552.964162][ T10] netdev_get_by_index+0x5e/0x80 [ 3552.964162][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3552.964162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3552.964162][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3552.964162][ T10] ipv6_add_addr+0x411/0x2000 [ 3552.964162][ T10] inet6_addr_add+0x30e/0xa40 [ 3552.964162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.964162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.964162][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.964162][ T10] netlink_unicast+0x449/0x710 [ 3552.964162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.964162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.964162][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.964162][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.964162][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.964162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.964162][ T10] [ 3552.966156][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3552.966156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3552.966156][ T10] ipv6_find_idev+0x102/0x170 [ 3552.966156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.966156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.966156][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.966156][ T10] netlink_unicast+0x449/0x710 [ 3552.966156][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.966156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.966156][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.966156][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.966156][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.966156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.966156][ T10] [ 3552.967724][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3552.967724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3552.967724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3552.967724][ T10] ipv6_find_idev+0x102/0x170 [ 3552.967724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.967724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.967724][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.967724][ T10] netlink_unicast+0x449/0x710 [ 3552.967724][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.967724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.967724][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.967724][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.967724][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.967724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.967724][ T10] [ 3552.969421][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3552.969711][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3552.969711][ T10] netdev_get_by_index+0x5e/0x80 [ 3552.969711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3552.969711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3552.969711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3552.969711][ T10] ipv6_add_addr+0x411/0x2000 [ 3552.969711][ T10] inet6_addr_add+0x30e/0xa40 [ 3552.969711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.969711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.969711][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.969711][ T10] netlink_unicast+0x449/0x710 [ 3552.969711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.969711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.969711][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.969711][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.969711][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.969711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.969711][ T10] [ 3552.971675][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3552.971675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3552.971675][ T10] ipv6_find_idev+0x102/0x170 [ 3552.971675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.971675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.971675][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.971675][ T10] netlink_unicast+0x449/0x710 [ 3552.971675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.971675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.971675][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.971675][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.971675][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.971675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.971675][ T10] [ 3552.973235][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3552.973235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3552.973235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3552.973235][ T10] ipv6_find_idev+0x102/0x170 [ 3552.973235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.973235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.973235][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.973235][ T10] netlink_unicast+0x449/0x710 [ 3552.973235][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.973235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.973235][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.973235][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.973235][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.973235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.973235][ T10] [ 3552.974929][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3552.975218][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3552.975218][ T10] netdev_get_by_index+0x5e/0x80 [ 3552.975218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3552.975218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3552.975218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3552.975218][ T10] ipv6_add_addr+0x411/0x2000 [ 3552.975218][ T10] inet6_addr_add+0x30e/0xa40 [ 3552.975218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.975218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.975218][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.975218][ T10] netlink_unicast+0x449/0x710 [ 3552.975218][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.975218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.975218][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.975218][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.975218][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.975218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.975218][ T10] [ 3552.977265][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3552.977265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3552.977265][ T10] ipv6_find_idev+0x102/0x170 [ 3552.977265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.977265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.977265][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.977265][ T10] netlink_unicast+0x449/0x710 [ 3552.977265][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.977265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.977265][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.977265][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.977265][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.977265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.977265][ T10] [ 3552.978810][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3552.978810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3552.978810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3552.978810][ T10] ipv6_find_idev+0x102/0x170 [ 3552.978810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.978810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.978810][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.978810][ T10] netlink_unicast+0x449/0x710 [ 3552.978810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.978810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.978810][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.978810][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.978810][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.978810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.978810][ T10] [ 3552.980905][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3552.981182][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3552.981182][ T10] netdev_get_by_index+0x5e/0x80 [ 3552.981182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3552.981182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3552.981182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3552.981182][ T10] ipv6_add_addr+0x411/0x2000 [ 3552.981182][ T10] inet6_addr_add+0x30e/0xa40 [ 3552.981182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.981182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.981182][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.981182][ T10] netlink_unicast+0x449/0x710 [ 3552.981182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.981182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.981182][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.981182][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.981182][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.981182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.981182][ T10] [ 3552.983201][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3552.983201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3552.983201][ T10] ipv6_find_idev+0x102/0x170 [ 3552.983201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.983201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.983201][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.983201][ T10] netlink_unicast+0x449/0x710 [ 3552.983201][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.983201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.983201][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.983201][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.983201][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.983201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.983201][ T10] [ 3552.985122][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3552.985122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3552.985122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3552.985122][ T10] ipv6_find_idev+0x102/0x170 [ 3552.985122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.985122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.985122][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.985122][ T10] netlink_unicast+0x449/0x710 [ 3552.985122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.985122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.985122][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.985122][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.985122][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.985122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.985122][ T10] [ 3552.987425][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3552.987783][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3552.987783][ T10] netdev_get_by_index+0x5e/0x80 [ 3552.987783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3552.987783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3552.987783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3552.987783][ T10] ipv6_add_addr+0x411/0x2000 [ 3552.987783][ T10] inet6_addr_add+0x30e/0xa40 [ 3552.987783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.987783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.987783][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.987783][ T10] netlink_unicast+0x449/0x710 [ 3552.987783][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.987783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.987783][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.987783][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.987783][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.987783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.987783][ T10] [ 3552.990592][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3552.990592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3552.990592][ T10] ipv6_find_idev+0x102/0x170 [ 3552.990592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.990592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.990592][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.990592][ T10] netlink_unicast+0x449/0x710 [ 3552.990592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.990592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.990592][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.990592][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.990592][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.990592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.990592][ T10] [ 3552.992869][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3552.992869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3552.992869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3552.992869][ T10] ipv6_find_idev+0x102/0x170 [ 3552.992869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.992869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.992869][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.992869][ T10] netlink_unicast+0x449/0x710 [ 3552.992869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.992869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.992869][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.992869][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.992869][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.992869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.992869][ T10] [ 3552.995165][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3552.995513][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3552.995513][ T10] netdev_get_by_index+0x5e/0x80 [ 3552.995513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3552.995513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3552.995513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3552.995513][ T10] ipv6_add_addr+0x411/0x2000 [ 3552.995513][ T10] inet6_addr_add+0x30e/0xa40 [ 3552.995513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.995513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.995513][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.995513][ T10] netlink_unicast+0x449/0x710 [ 3552.995513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.995513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.995513][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.995513][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.995513][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.995513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.995513][ T10] [ 3552.998431][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3552.998431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3552.998431][ T10] ipv6_find_idev+0x102/0x170 [ 3552.998431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.998431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.998431][ T10] netlink_rcv_skb+0x130/0x360 [ 3552.998431][ T10] netlink_unicast+0x449/0x710 [ 3552.998431][ T10] netlink_sendmsg+0x723/0xbe0 [ 3552.998431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3552.998431][ T10] ___sys_sendmsg+0xee/0x170 [ 3552.998431][ T10] __sys_sendmsg+0xcd/0x170 [ 3552.998431][ T10] do_syscall_64+0xc6/0x1e0 [ 3552.998431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.998431][ T10] [ 3553.000555][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3553.000555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.000555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.000555][ T10] ipv6_find_idev+0x102/0x170 [ 3553.000555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.000555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.000555][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.000555][ T10] netlink_unicast+0x449/0x710 [ 3553.000555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.000555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.000555][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.000555][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.000555][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.000555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.000555][ T10] [ 3553.002929][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3553.003273][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3553.003273][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.003273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.003273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.003273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.003273][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.003273][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.003273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.003273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.003273][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.003273][ T10] netlink_unicast+0x449/0x710 [ 3553.003273][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.003273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.003273][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.003273][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.003273][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.003273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.003273][ T10] [ 3553.005977][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3553.005977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.005977][ T10] ipv6_find_idev+0x102/0x170 [ 3553.005977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.005977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.005977][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.005977][ T10] netlink_unicast+0x449/0x710 [ 3553.005977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.005977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.005977][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.005977][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.005977][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.005977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.005977][ T10] [ 3553.008110][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3553.008110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.008110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.008110][ T10] ipv6_find_idev+0x102/0x170 [ 3553.008110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.008110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.008110][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.008110][ T10] netlink_unicast+0x449/0x710 [ 3553.008110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.008110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.008110][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.008110][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.008110][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.008110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.008110][ T10] [ 3563.245995][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3563.246626][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3563.246626][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.246626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.246626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.246626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.246626][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.246626][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.246626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.246626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.246626][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.246626][ T10] netlink_unicast+0x449/0x710 [ 3563.246626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.246626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.246626][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.246626][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.246626][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.246626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.246626][ T10] [ 3563.248626][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3563.248626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.248626][ T10] ipv6_find_idev+0x102/0x170 [ 3563.248626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.248626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.248626][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.248626][ T10] netlink_unicast+0x449/0x710 [ 3563.248626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.248626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.248626][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.248626][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.248626][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.248626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.248626][ T10] [ 3563.250194][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3563.250194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.250194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.250194][ T10] ipv6_find_idev+0x102/0x170 [ 3563.250194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.250194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.250194][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.250194][ T10] netlink_unicast+0x449/0x710 [ 3563.250194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.250194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.250194][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.250194][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.250194][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.250194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.250194][ T10] [ 3563.251873][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3563.252162][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3563.252162][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.252162][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.252162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.252162][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.252162][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.252162][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.252162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.252162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.252162][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.252162][ T10] netlink_unicast+0x449/0x710 [ 3563.252162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.252162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.252162][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.252162][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.252162][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.252162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.252162][ T10] [ 3563.254195][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3563.254195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.254195][ T10] ipv6_find_idev+0x102/0x170 [ 3563.254195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.254195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.254195][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.254195][ T10] netlink_unicast+0x449/0x710 [ 3563.254195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.254195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.254195][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.254195][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.254195][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.254195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.254195][ T10] [ 3563.255727][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3563.255727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.255727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.255727][ T10] ipv6_find_idev+0x102/0x170 [ 3563.255727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.255727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.255727][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.255727][ T10] netlink_unicast+0x449/0x710 [ 3563.255727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.255727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.255727][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.255727][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.255727][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.255727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.255727][ T10] [ 3563.257421][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3563.257686][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3563.257686][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.257686][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.257686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.257686][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.257686][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.257686][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.257686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.257686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.257686][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.257686][ T10] netlink_unicast+0x449/0x710 [ 3563.257686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.257686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.257686][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.257686][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.257686][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.257686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.257686][ T10] [ 3563.259686][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3563.259686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.259686][ T10] ipv6_find_idev+0x102/0x170 [ 3563.259686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.259686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.259686][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.259686][ T10] netlink_unicast+0x449/0x710 [ 3563.259686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.259686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.259686][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.259686][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.259686][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.259686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.259686][ T10] [ 3563.261167][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3563.261167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.261167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.261167][ T10] ipv6_find_idev+0x102/0x170 [ 3563.261167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.261167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.261167][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.261167][ T10] netlink_unicast+0x449/0x710 [ 3563.261167][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.261167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.261167][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.261167][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.261167][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.261167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.261167][ T10] [ 3563.262813][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3563.263085][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3563.263085][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.263085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.263085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.263085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.263085][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.263085][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.263085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.263085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.263085][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.263085][ T10] netlink_unicast+0x449/0x710 [ 3563.263085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.263085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.263085][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.263085][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.263085][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.263085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.263085][ T10] [ 3563.265053][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3563.265053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.265053][ T10] ipv6_find_idev+0x102/0x170 [ 3563.265053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.265053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.265053][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.265053][ T10] netlink_unicast+0x449/0x710 [ 3563.265053][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.265053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.265053][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.265053][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.265053][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.265053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.265053][ T10] [ 3563.266594][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3563.266594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.266594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.266594][ T10] ipv6_find_idev+0x102/0x170 [ 3563.266594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.266594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.266594][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.266594][ T10] netlink_unicast+0x449/0x710 [ 3563.266594][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.266594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.266594][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.266594][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.266594][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.266594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.266594][ T10] [ 3563.268624][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3563.269232][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3563.269232][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.269232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.269232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.269232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.269232][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.269232][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.269232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.269232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.269232][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.269232][ T10] netlink_unicast+0x449/0x710 [ 3563.269232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.269232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.269232][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.269232][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.269232][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.269232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.269232][ T10] [ 3563.271266][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3563.271266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.271266][ T10] ipv6_find_idev+0x102/0x170 [ 3563.271266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.271266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.271266][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.271266][ T10] netlink_unicast+0x449/0x710 [ 3563.271266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.271266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.271266][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.271266][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.271266][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.271266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.271266][ T10] [ 3563.272845][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3563.272845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.272845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.272845][ T10] ipv6_find_idev+0x102/0x170 [ 3563.272845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.272845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.272845][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.272845][ T10] netlink_unicast+0x449/0x710 [ 3563.272845][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.272845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.272845][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.272845][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.272845][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.272845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.272845][ T10] [ 3563.274489][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3563.274752][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3563.274752][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.274752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.274752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.274752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.274752][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.274752][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.274752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.274752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.274752][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.274752][ T10] netlink_unicast+0x449/0x710 [ 3563.274752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.274752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.274752][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.274752][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.274752][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.274752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.274752][ T10] [ 3563.276766][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3563.276766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.276766][ T10] ipv6_find_idev+0x102/0x170 [ 3563.276766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.276766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.276766][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.276766][ T10] netlink_unicast+0x449/0x710 [ 3563.276766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.276766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.276766][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.276766][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.276766][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.276766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.276766][ T10] [ 3563.278354][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3563.278354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.278354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.278354][ T10] ipv6_find_idev+0x102/0x170 [ 3563.278354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.278354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.278354][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.278354][ T10] netlink_unicast+0x449/0x710 [ 3563.278354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.278354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.278354][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.278354][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.278354][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.278354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.278354][ T10] [ 3563.280323][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3563.280591][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3563.280591][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.280591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.280591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.280591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.280591][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.280591][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.280591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.280591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.280591][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.280591][ T10] netlink_unicast+0x449/0x710 [ 3563.280591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.280591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.280591][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.280591][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.280591][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.280591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.280591][ T10] [ 3563.282868][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3563.282868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.282868][ T10] ipv6_find_idev+0x102/0x170 [ 3563.282868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.282868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.282868][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.282868][ T10] netlink_unicast+0x449/0x710 [ 3563.282868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.282868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.282868][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.282868][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.282868][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.282868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.282868][ T10] [ 3563.284569][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3563.284569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.284569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.284569][ T10] ipv6_find_idev+0x102/0x170 [ 3563.284569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.284569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.284569][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.284569][ T10] netlink_unicast+0x449/0x710 [ 3563.284569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.284569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.284569][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.284569][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.284569][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.284569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.284569][ T10] [ 3563.286494][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3563.286777][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3563.286777][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.286777][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.286777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.286777][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.286777][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.286777][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.286777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.286777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.286777][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.286777][ T10] netlink_unicast+0x449/0x710 [ 3563.286777][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.286777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.286777][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.286777][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.286777][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.286777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.286777][ T10] [ 3563.289016][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3563.289016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.289016][ T10] ipv6_find_idev+0x102/0x170 [ 3563.289016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.289016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.289016][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.289016][ T10] netlink_unicast+0x449/0x710 [ 3563.289016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.289016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.289016][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.289016][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.289016][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.289016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.289016][ T10] [ 3563.290800][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3563.290800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.290800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.290800][ T10] ipv6_find_idev+0x102/0x170 [ 3563.290800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.290800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.290800][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.290800][ T10] netlink_unicast+0x449/0x710 [ 3563.290800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.290800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.290800][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.290800][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.290800][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.290800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.290800][ T10] [ 3573.381887][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3573.382368][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3573.382368][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.382368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.382368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.382368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.382368][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.382368][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.382368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.382368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.382368][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.382368][ T10] netlink_unicast+0x449/0x710 [ 3573.382368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.382368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.382368][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.382368][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.382368][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.382368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.382368][ T10] [ 3573.384288][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3573.384288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.384288][ T10] ipv6_find_idev+0x102/0x170 [ 3573.384288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.384288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.384288][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.384288][ T10] netlink_unicast+0x449/0x710 [ 3573.384288][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.384288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.384288][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.384288][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.384288][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.384288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.384288][ T10] [ 3573.385834][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3573.385834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.385834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.385834][ T10] ipv6_find_idev+0x102/0x170 [ 3573.385834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.385834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.385834][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.385834][ T10] netlink_unicast+0x449/0x710 [ 3573.385834][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.385834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.385834][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.385834][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.385834][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.385834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.385834][ T10] [ 3573.387484][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3573.387761][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3573.387761][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.387761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.387761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.387761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.387761][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.387761][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.387761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.387761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.387761][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.387761][ T10] netlink_unicast+0x449/0x710 [ 3573.387761][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.387761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.387761][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.387761][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.387761][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.387761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.387761][ T10] [ 3573.389735][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3573.389735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.389735][ T10] ipv6_find_idev+0x102/0x170 [ 3573.389735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.389735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.389735][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.389735][ T10] netlink_unicast+0x449/0x710 [ 3573.389735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.389735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.389735][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.389735][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.389735][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.389735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.389735][ T10] [ 3573.391573][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3573.391573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.391573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.391573][ T10] ipv6_find_idev+0x102/0x170 [ 3573.391573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.391573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.391573][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.391573][ T10] netlink_unicast+0x449/0x710 [ 3573.391573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.391573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.391573][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.391573][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.391573][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.391573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.391573][ T10] [ 3573.393802][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3573.394159][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3573.394159][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.394159][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.394159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.394159][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.394159][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.394159][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.394159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.394159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.394159][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.394159][ T10] netlink_unicast+0x449/0x710 [ 3573.394159][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.394159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.394159][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.394159][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.394159][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.394159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.394159][ T10] [ 3573.396698][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3573.396698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.396698][ T10] ipv6_find_idev+0x102/0x170 [ 3573.396698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.396698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.396698][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.396698][ T10] netlink_unicast+0x449/0x710 [ 3573.396698][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.396698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.396698][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.396698][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.396698][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.396698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.396698][ T10] [ 3573.398777][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3573.398777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.398777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.398777][ T10] ipv6_find_idev+0x102/0x170 [ 3573.398777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.398777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.398777][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.398777][ T10] netlink_unicast+0x449/0x710 [ 3573.398777][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.398777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.398777][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.398777][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.398777][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.398777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.398777][ T10] [ 3573.401462][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3573.401791][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3573.401791][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.401791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.401791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.401791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.401791][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.401791][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.401791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.401791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.401791][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.401791][ T10] netlink_unicast+0x449/0x710 [ 3573.401791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.401791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.401791][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.401791][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.401791][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.401791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.401791][ T10] [ 3573.404293][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3573.404293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.404293][ T10] ipv6_find_idev+0x102/0x170 [ 3573.404293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.404293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.404293][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.404293][ T10] netlink_unicast+0x449/0x710 [ 3573.404293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.404293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.404293][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.404293][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.404293][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.404293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.404293][ T10] [ 3573.406289][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3573.406289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.406289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.406289][ T10] ipv6_find_idev+0x102/0x170 [ 3573.406289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.406289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.406289][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.406289][ T10] netlink_unicast+0x449/0x710 [ 3573.406289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.406289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.406289][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.406289][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.406289][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.406289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.406289][ T10] [ 3573.409079][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3573.409425][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3573.409425][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.409425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.409425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.409425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.409425][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.409425][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.409425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.409425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.409425][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.409425][ T10] netlink_unicast+0x449/0x710 [ 3573.409425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.409425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.409425][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.409425][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.409425][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.409425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.409425][ T10] [ 3573.412158][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3573.412158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.412158][ T10] ipv6_find_idev+0x102/0x170 [ 3573.412158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.412158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.412158][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.412158][ T10] netlink_unicast+0x449/0x710 [ 3573.412158][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.412158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.412158][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.412158][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.412158][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.412158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.412158][ T10] [ 3573.414001][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3573.414001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.414001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.414001][ T10] ipv6_find_idev+0x102/0x170 [ 3573.414001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.414001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.414001][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.414001][ T10] netlink_unicast+0x449/0x710 [ 3573.414001][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.414001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.414001][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.414001][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.414001][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.414001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.414001][ T10] [ 3573.416234][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3573.416581][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3573.416581][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.416581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.416581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.416581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.416581][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.416581][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.416581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.416581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.416581][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.416581][ T10] netlink_unicast+0x449/0x710 [ 3573.416581][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.416581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.416581][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.416581][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.416581][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.416581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.416581][ T10] [ 3573.419098][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3573.419098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.419098][ T10] ipv6_find_idev+0x102/0x170 [ 3573.419098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.419098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.419098][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.419098][ T10] netlink_unicast+0x449/0x710 [ 3573.419098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.419098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.419098][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.419098][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.419098][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.419098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.419098][ T10] [ 3573.421231][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3573.421231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.421231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.421231][ T10] ipv6_find_idev+0x102/0x170 [ 3573.421231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.421231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.421231][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.421231][ T10] netlink_unicast+0x449/0x710 [ 3573.421231][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.421231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.421231][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.421231][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.421231][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.421231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.421231][ T10] [ 3573.423200][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3573.423474][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3573.423474][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.423474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.423474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.423474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.423474][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.423474][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.423474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.423474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.423474][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.423474][ T10] netlink_unicast+0x449/0x710 [ 3573.423474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.423474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.423474][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.423474][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.423474][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.423474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.423474][ T10] [ 3573.425698][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3573.425698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.425698][ T10] ipv6_find_idev+0x102/0x170 [ 3573.425698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.425698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.425698][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.425698][ T10] netlink_unicast+0x449/0x710 [ 3573.425698][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.425698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.425698][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.425698][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.425698][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.425698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.425698][ T10] [ 3573.427374][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3573.427374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.427374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.427374][ T10] ipv6_find_idev+0x102/0x170 [ 3573.427374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.427374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.427374][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.427374][ T10] netlink_unicast+0x449/0x710 [ 3573.427374][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.427374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.427374][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.427374][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.427374][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.427374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.427374][ T10] [ 3573.429230][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3573.429490][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3573.429490][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.429490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.429490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.429490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.429490][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.429490][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.429490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.429490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.429490][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.429490][ T10] netlink_unicast+0x449/0x710 [ 3573.429490][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.429490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.429490][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.429490][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.429490][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.429490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.429490][ T10] [ 3573.431743][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3573.431743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.431743][ T10] ipv6_find_idev+0x102/0x170 [ 3573.431743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.431743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.431743][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.431743][ T10] netlink_unicast+0x449/0x710 [ 3573.431743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.431743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.431743][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.431743][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.431743][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.431743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.431743][ T10] [ 3573.433423][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3573.433423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.433423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.433423][ T10] ipv6_find_idev+0x102/0x170 [ 3573.433423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.433423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.433423][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.433423][ T10] netlink_unicast+0x449/0x710 [ 3573.433423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.433423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.433423][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.433423][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.433423][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.433423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.433423][ T10] [ 3583.685946][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3583.686814][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3583.686814][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.686814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.686814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.686814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.686814][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.686814][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.686814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.686814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.686814][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.686814][ T10] netlink_unicast+0x449/0x710 [ 3583.686814][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.686814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.686814][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.686814][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.686814][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.686814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.686814][ T10] [ 3583.688781][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3583.688781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.688781][ T10] ipv6_find_idev+0x102/0x170 [ 3583.688781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.688781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.688781][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.688781][ T10] netlink_unicast+0x449/0x710 [ 3583.688781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.688781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.688781][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.688781][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.688781][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.688781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.688781][ T10] [ 3583.690332][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3583.690332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.690332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.690332][ T10] ipv6_find_idev+0x102/0x170 [ 3583.690332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.690332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.690332][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.690332][ T10] netlink_unicast+0x449/0x710 [ 3583.690332][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.690332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.690332][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.690332][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.690332][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.690332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.690332][ T10] [ 3583.691975][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3583.692296][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3583.692296][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.692296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.692296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.692296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.692296][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.692296][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.692296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.692296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.692296][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.692296][ T10] netlink_unicast+0x449/0x710 [ 3583.692296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.692296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.692296][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.692296][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.692296][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.692296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.692296][ T10] [ 3583.694336][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3583.694336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.694336][ T10] ipv6_find_idev+0x102/0x170 [ 3583.694336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.694336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.694336][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.694336][ T10] netlink_unicast+0x449/0x710 [ 3583.694336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.694336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.694336][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.694336][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.694336][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.694336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.694336][ T10] [ 3583.695979][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3583.695979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.695979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.695979][ T10] ipv6_find_idev+0x102/0x170 [ 3583.695979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.695979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.695979][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.695979][ T10] netlink_unicast+0x449/0x710 [ 3583.695979][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.695979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.695979][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.695979][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.695979][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.695979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.695979][ T10] [ 3583.697673][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3583.697965][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3583.697965][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.697965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.697965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.697965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.697965][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.697965][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.697965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.697965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.697965][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.697965][ T10] netlink_unicast+0x449/0x710 [ 3583.697965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.697965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.697965][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.697965][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.697965][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.697965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.697965][ T10] [ 3583.699971][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3583.699971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.699971][ T10] ipv6_find_idev+0x102/0x170 [ 3583.699971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.699971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.699971][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.699971][ T10] netlink_unicast+0x449/0x710 [ 3583.699971][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.699971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.699971][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.699971][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.699971][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.699971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.699971][ T10] [ 3583.701437][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3583.701437][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.701437][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.701437][ T10] ipv6_find_idev+0x102/0x170 [ 3583.701437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.701437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.701437][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.701437][ T10] netlink_unicast+0x449/0x710 [ 3583.701437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.701437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.701437][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.701437][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.701437][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.701437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.701437][ T10] [ 3583.703437][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3583.703799][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3583.703799][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.703799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.703799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.703799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.703799][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.703799][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.703799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.703799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.703799][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.703799][ T10] netlink_unicast+0x449/0x710 [ 3583.703799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.703799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.703799][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.703799][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.703799][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.703799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.703799][ T10] [ 3583.706558][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3583.706558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.706558][ T10] ipv6_find_idev+0x102/0x170 [ 3583.706558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.706558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.706558][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.706558][ T10] netlink_unicast+0x449/0x710 [ 3583.706558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.706558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.706558][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.706558][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.706558][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.706558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.706558][ T10] [ 3583.708494][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3583.708494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.708494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.708494][ T10] ipv6_find_idev+0x102/0x170 [ 3583.708494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.708494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.708494][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.708494][ T10] netlink_unicast+0x449/0x710 [ 3583.708494][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.708494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.708494][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.708494][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.708494][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.708494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.708494][ T10] [ 3583.711161][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3583.711548][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3583.711548][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.711548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.711548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.711548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.711548][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.711548][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.711548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.711548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.711548][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.711548][ T10] netlink_unicast+0x449/0x710 [ 3583.711548][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.711548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.711548][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.711548][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.711548][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.711548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.711548][ T10] [ 3583.714107][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3583.714107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.714107][ T10] ipv6_find_idev+0x102/0x170 [ 3583.714107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.714107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.714107][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.714107][ T10] netlink_unicast+0x449/0x710 [ 3583.714107][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.714107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.714107][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.714107][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.714107][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.714107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.714107][ T10] [ 3583.716211][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3583.716211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.716211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.716211][ T10] ipv6_find_idev+0x102/0x170 [ 3583.716211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.716211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.716211][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.716211][ T10] netlink_unicast+0x449/0x710 [ 3583.716211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.716211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.716211][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.716211][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.716211][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.716211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.716211][ T10] [ 3583.718514][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3583.718920][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3583.718920][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.718920][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.718920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.718920][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.718920][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.718920][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.718920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.718920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.718920][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.718920][ T10] netlink_unicast+0x449/0x710 [ 3583.718920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.718920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.718920][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.718920][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.718920][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.718920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.718920][ T10] [ 3583.721747][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3583.721747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.721747][ T10] ipv6_find_idev+0x102/0x170 [ 3583.721747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.721747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.721747][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.721747][ T10] netlink_unicast+0x449/0x710 [ 3583.721747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.721747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.721747][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.721747][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.721747][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.721747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.721747][ T10] [ 3583.723975][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3583.723975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.723975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.723975][ T10] ipv6_find_idev+0x102/0x170 [ 3583.723975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.723975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.723975][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.723975][ T10] netlink_unicast+0x449/0x710 [ 3583.723975][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.723975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.723975][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.723975][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.723975][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.723975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.723975][ T10] [ 3583.726461][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3583.726880][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3583.726880][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.726880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.726880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.726880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.726880][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.726880][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.726880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.726880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.726880][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.726880][ T10] netlink_unicast+0x449/0x710 [ 3583.726880][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.726880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.726880][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.726880][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.726880][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.726880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.726880][ T10] [ 3583.729694][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3583.729694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.729694][ T10] ipv6_find_idev+0x102/0x170 [ 3583.729694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.729694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.729694][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.729694][ T10] netlink_unicast+0x449/0x710 [ 3583.729694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.729694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.729694][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.729694][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.729694][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.729694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.729694][ T10] [ 3583.731848][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3583.731848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.731848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.731848][ T10] ipv6_find_idev+0x102/0x170 [ 3583.731848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.731848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.731848][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.731848][ T10] netlink_unicast+0x449/0x710 [ 3583.731848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.731848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.731848][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.731848][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.731848][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.731848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.731848][ T10] [ 3583.734347][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3583.734683][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3583.734683][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.734683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.734683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.734683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.734683][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.734683][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.734683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.734683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.734683][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.734683][ T10] netlink_unicast+0x449/0x710 [ 3583.734683][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.734683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.734683][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.734683][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.734683][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.734683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.734683][ T10] [ 3583.737558][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3583.737558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.737558][ T10] ipv6_find_idev+0x102/0x170 [ 3583.737558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.737558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.737558][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.737558][ T10] netlink_unicast+0x449/0x710 [ 3583.737558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.737558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.737558][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.737558][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.737558][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.737558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.737558][ T10] [ 3583.739697][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3583.739697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.739697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.739697][ T10] ipv6_find_idev+0x102/0x170 [ 3583.739697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.739697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.739697][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.739697][ T10] netlink_unicast+0x449/0x710 [ 3583.739697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.739697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.739697][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.739697][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.739697][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.739697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.739697][ T10] [ 3593.997887][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3593.998533][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3593.998533][ T10] netdev_get_by_index+0x5e/0x80 [ 3593.998533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3593.998533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3593.998533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3593.998533][ T10] ipv6_add_addr+0x411/0x2000 [ 3593.998533][ T10] inet6_addr_add+0x30e/0xa40 [ 3593.998533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3593.998533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.998533][ T10] netlink_rcv_skb+0x130/0x360 [ 3593.998533][ T10] netlink_unicast+0x449/0x710 [ 3593.998533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3593.998533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3593.998533][ T10] ___sys_sendmsg+0xee/0x170 [ 3593.998533][ T10] __sys_sendmsg+0xcd/0x170 [ 3593.998533][ T10] do_syscall_64+0xc6/0x1e0 [ 3593.998533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.998533][ T10] [ 3594.000868][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3594.000868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.000868][ T10] ipv6_find_idev+0x102/0x170 [ 3594.000868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.000868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.000868][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.000868][ T10] netlink_unicast+0x449/0x710 [ 3594.000868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.000868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.000868][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.000868][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.000868][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.000868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.000868][ T10] [ 3594.002608][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3594.002608][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.002608][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.002608][ T10] ipv6_find_idev+0x102/0x170 [ 3594.002608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.002608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.002608][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.002608][ T10] netlink_unicast+0x449/0x710 [ 3594.002608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.002608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.002608][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.002608][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.002608][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.002608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.002608][ T10] [ 3594.004553][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3594.004877][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3594.004877][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.004877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.004877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.004877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.004877][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.004877][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.004877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.004877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.004877][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.004877][ T10] netlink_unicast+0x449/0x710 [ 3594.004877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.004877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.004877][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.004877][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.004877][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.004877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.004877][ T10] [ 3594.007175][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3594.007175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.007175][ T10] ipv6_find_idev+0x102/0x170 [ 3594.007175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.007175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.007175][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.007175][ T10] netlink_unicast+0x449/0x710 [ 3594.007175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.007175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.007175][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.007175][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.007175][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.007175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.007175][ T10] [ 3594.008968][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3594.008968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.008968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.008968][ T10] ipv6_find_idev+0x102/0x170 [ 3594.008968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.008968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.008968][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.008968][ T10] netlink_unicast+0x449/0x710 [ 3594.008968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.008968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.008968][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.008968][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.008968][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.008968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.008968][ T10] [ 3594.010915][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3594.011209][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3594.011209][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.011209][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.011209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.011209][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.011209][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.011209][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.011209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.011209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.011209][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.011209][ T10] netlink_unicast+0x449/0x710 [ 3594.011209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.011209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.011209][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.011209][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.011209][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.011209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.011209][ T10] [ 3594.013599][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3594.013599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.013599][ T10] ipv6_find_idev+0x102/0x170 [ 3594.013599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.013599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.013599][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.013599][ T10] netlink_unicast+0x449/0x710 [ 3594.013599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.013599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.013599][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.013599][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.013599][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.013599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.013599][ T10] [ 3594.015999][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3594.015999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.015999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.015999][ T10] ipv6_find_idev+0x102/0x170 [ 3594.015999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.015999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.015999][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.015999][ T10] netlink_unicast+0x449/0x710 [ 3594.015999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.015999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.015999][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.015999][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.015999][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.015999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.015999][ T10] [ 3594.018457][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3594.018802][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3594.018802][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.018802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.018802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.018802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.018802][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.018802][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.018802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.018802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.018802][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.018802][ T10] netlink_unicast+0x449/0x710 [ 3594.018802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.018802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.018802][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.018802][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.018802][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.018802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.018802][ T10] [ 3594.021736][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3594.021736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.021736][ T10] ipv6_find_idev+0x102/0x170 [ 3594.021736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.021736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.021736][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.021736][ T10] netlink_unicast+0x449/0x710 [ 3594.021736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.021736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.021736][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.021736][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.021736][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.021736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.021736][ T10] [ 3594.023985][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3594.023985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.023985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.023985][ T10] ipv6_find_idev+0x102/0x170 [ 3594.023985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.023985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.023985][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.023985][ T10] netlink_unicast+0x449/0x710 [ 3594.023985][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.023985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.023985][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.023985][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.023985][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.023985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.023985][ T10] [ 3594.026820][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3594.027552][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3594.027552][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.027552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.027552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.027552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.027552][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.027552][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.027552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.027552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.027552][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.027552][ T10] netlink_unicast+0x449/0x710 [ 3594.027552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.027552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.027552][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.027552][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.027552][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.027552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.027552][ T10] [ 3594.030445][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3594.030445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.030445][ T10] ipv6_find_idev+0x102/0x170 [ 3594.030445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.030445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.030445][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.030445][ T10] netlink_unicast+0x449/0x710 [ 3594.030445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.030445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.030445][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.030445][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.030445][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.030445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.030445][ T10] [ 3594.032754][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3594.032754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.032754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.032754][ T10] ipv6_find_idev+0x102/0x170 [ 3594.032754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.032754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.032754][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.032754][ T10] netlink_unicast+0x449/0x710 [ 3594.032754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.032754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.032754][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.032754][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.032754][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.032754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.032754][ T10] [ 3594.035216][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3594.035583][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3594.035583][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.035583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.035583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.035583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.035583][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.035583][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.035583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.035583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.035583][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.035583][ T10] netlink_unicast+0x449/0x710 [ 3594.035583][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.035583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.035583][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.035583][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.035583][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.035583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.035583][ T10] [ 3594.038546][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3594.038546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.038546][ T10] ipv6_find_idev+0x102/0x170 [ 3594.038546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.038546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.038546][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.038546][ T10] netlink_unicast+0x449/0x710 [ 3594.038546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.038546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.038546][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.038546][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.038546][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.038546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.038546][ T10] [ 3594.040927][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3594.040927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.040927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.040927][ T10] ipv6_find_idev+0x102/0x170 [ 3594.040927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.040927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.040927][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.040927][ T10] netlink_unicast+0x449/0x710 [ 3594.040927][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.040927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.040927][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.040927][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.040927][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.040927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.040927][ T10] [ 3594.043551][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3594.044007][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3594.044007][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.044007][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.044007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.044007][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.044007][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.044007][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.044007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.044007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.044007][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.044007][ T10] netlink_unicast+0x449/0x710 [ 3594.044007][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.044007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.044007][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.044007][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.044007][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.044007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.044007][ T10] [ 3594.046981][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3594.046981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.046981][ T10] ipv6_find_idev+0x102/0x170 [ 3594.046981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.046981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.046981][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.046981][ T10] netlink_unicast+0x449/0x710 [ 3594.046981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.046981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.046981][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.046981][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.046981][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.046981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.046981][ T10] [ 3594.049433][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3594.049433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.049433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.049433][ T10] ipv6_find_idev+0x102/0x170 [ 3594.049433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.049433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.049433][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.049433][ T10] netlink_unicast+0x449/0x710 [ 3594.049433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.049433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.049433][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.049433][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.049433][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.049433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.049433][ T10] [ 3594.051993][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3594.052395][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3594.052395][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.052395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.052395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.052395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.052395][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.052395][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.052395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.052395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.052395][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.052395][ T10] netlink_unicast+0x449/0x710 [ 3594.052395][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.052395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.052395][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.052395][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.052395][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.052395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.052395][ T10] [ 3594.055470][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3594.055470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.055470][ T10] ipv6_find_idev+0x102/0x170 [ 3594.055470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.055470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.055470][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.055470][ T10] netlink_unicast+0x449/0x710 [ 3594.055470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.055470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.055470][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.055470][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.055470][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.055470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.055470][ T10] [ 3594.057764][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3594.057764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.057764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.057764][ T10] ipv6_find_idev+0x102/0x170 [ 3594.057764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.057764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.057764][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.057764][ T10] netlink_unicast+0x449/0x710 [ 3594.057764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.057764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.057764][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.057764][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.057764][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.057764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.057764][ T10] [ 3604.309981][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3604.310900][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3604.310900][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.310900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.310900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.310900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.310900][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.310900][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.310900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.310900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.310900][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.310900][ T10] netlink_unicast+0x449/0x710 [ 3604.310900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.310900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.310900][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.310900][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.310900][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.310900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.310900][ T10] [ 3604.312878][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3604.312878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.312878][ T10] ipv6_find_idev+0x102/0x170 [ 3604.312878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.312878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.312878][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.312878][ T10] netlink_unicast+0x449/0x710 [ 3604.312878][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.312878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.312878][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.312878][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.312878][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.312878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.312878][ T10] [ 3604.314370][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3604.314370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.314370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.314370][ T10] ipv6_find_idev+0x102/0x170 [ 3604.314370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.314370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.314370][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.314370][ T10] netlink_unicast+0x449/0x710 [ 3604.314370][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.314370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.314370][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.314370][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.314370][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.314370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.314370][ T10] [ 3604.315980][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3604.316260][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3604.316260][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.316260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.316260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.316260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.316260][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.316260][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.316260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.316260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.316260][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.316260][ T10] netlink_unicast+0x449/0x710 [ 3604.316260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.316260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.316260][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.316260][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.316260][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.316260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.316260][ T10] [ 3604.318230][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3604.318230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.318230][ T10] ipv6_find_idev+0x102/0x170 [ 3604.318230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.318230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.318230][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.318230][ T10] netlink_unicast+0x449/0x710 [ 3604.318230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.318230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.318230][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.318230][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.318230][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.318230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.318230][ T10] [ 3604.319714][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3604.319714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.319714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.319714][ T10] ipv6_find_idev+0x102/0x170 [ 3604.319714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.319714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.319714][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.319714][ T10] netlink_unicast+0x449/0x710 [ 3604.319714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.319714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.319714][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.319714][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.319714][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.319714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.319714][ T10] [ 3604.321457][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3604.321723][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3604.321723][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.321723][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.321723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.321723][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.321723][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.321723][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.321723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.321723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.321723][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.321723][ T10] netlink_unicast+0x449/0x710 [ 3604.321723][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.321723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.321723][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.321723][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.321723][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.321723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.321723][ T10] [ 3604.323841][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3604.323841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.323841][ T10] ipv6_find_idev+0x102/0x170 [ 3604.323841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.323841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.323841][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.323841][ T10] netlink_unicast+0x449/0x710 [ 3604.323841][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.323841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.323841][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.323841][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.323841][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.323841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.323841][ T10] [ 3604.325371][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3604.325371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.325371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.325371][ T10] ipv6_find_idev+0x102/0x170 [ 3604.325371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.325371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.325371][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.325371][ T10] netlink_unicast+0x449/0x710 [ 3604.325371][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.325371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.325371][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.325371][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.325371][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.325371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.325371][ T10] [ 3604.327112][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3604.327384][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3604.327384][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.327384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.327384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.327384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.327384][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.327384][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.327384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.327384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.327384][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.327384][ T10] netlink_unicast+0x449/0x710 [ 3604.327384][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.327384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.327384][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.327384][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.327384][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.327384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.327384][ T10] [ 3604.329445][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3604.329445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.329445][ T10] ipv6_find_idev+0x102/0x170 [ 3604.329445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.329445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.329445][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.329445][ T10] netlink_unicast+0x449/0x710 [ 3604.329445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.329445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.329445][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.329445][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.329445][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.329445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.329445][ T10] [ 3604.331017][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3604.331017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.331017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.331017][ T10] ipv6_find_idev+0x102/0x170 [ 3604.331017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.331017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.331017][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.331017][ T10] netlink_unicast+0x449/0x710 [ 3604.331017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.331017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.331017][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.331017][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.331017][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.331017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.331017][ T10] [ 3604.332710][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3604.333390][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3604.333390][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.333390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.333390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.333390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.333390][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.333390][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.333390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.333390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.333390][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.333390][ T10] netlink_unicast+0x449/0x710 [ 3604.333390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.333390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.333390][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.333390][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.333390][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.333390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.333390][ T10] [ 3604.335452][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3604.335452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.335452][ T10] ipv6_find_idev+0x102/0x170 [ 3604.335452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.335452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.335452][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.335452][ T10] netlink_unicast+0x449/0x710 [ 3604.335452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.335452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.335452][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.335452][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.335452][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.335452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.335452][ T10] [ 3604.337027][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3604.337027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.337027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.337027][ T10] ipv6_find_idev+0x102/0x170 [ 3604.337027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.337027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.337027][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.337027][ T10] netlink_unicast+0x449/0x710 [ 3604.337027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.337027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.337027][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.337027][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.337027][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.337027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.337027][ T10] [ 3604.338823][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3604.339090][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3604.339090][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.339090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.339090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.339090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.339090][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.339090][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.339090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.339090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.339090][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.339090][ T10] netlink_unicast+0x449/0x710 [ 3604.339090][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.339090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.339090][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.339090][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.339090][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.339090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.339090][ T10] [ 3604.341215][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3604.341215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.341215][ T10] ipv6_find_idev+0x102/0x170 [ 3604.341215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.341215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.341215][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.341215][ T10] netlink_unicast+0x449/0x710 [ 3604.341215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.341215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.341215][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.341215][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.341215][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.341215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.341215][ T10] [ 3604.342936][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3604.342936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.342936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.342936][ T10] ipv6_find_idev+0x102/0x170 [ 3604.342936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.342936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.342936][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.342936][ T10] netlink_unicast+0x449/0x710 [ 3604.342936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.342936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.342936][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.342936][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.342936][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.342936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.342936][ T10] [ 3604.344994][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3604.345266][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3604.345266][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.345266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.345266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.345266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.345266][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.345266][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.345266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.345266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.345266][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.345266][ T10] netlink_unicast+0x449/0x710 [ 3604.345266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.345266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.345266][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.345266][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.345266][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.345266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.345266][ T10] [ 3604.347460][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3604.347460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.347460][ T10] ipv6_find_idev+0x102/0x170 [ 3604.347460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.347460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.347460][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.347460][ T10] netlink_unicast+0x449/0x710 [ 3604.347460][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.347460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.347460][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.347460][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.347460][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.347460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.347460][ T10] [ 3604.349154][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3604.349154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.349154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.349154][ T10] ipv6_find_idev+0x102/0x170 [ 3604.349154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.349154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.349154][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.349154][ T10] netlink_unicast+0x449/0x710 [ 3604.349154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.349154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.349154][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.349154][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.349154][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.349154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.349154][ T10] [ 3604.351093][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3604.351413][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3604.351413][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.351413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.351413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.351413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.351413][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.351413][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.351413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.351413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.351413][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.351413][ T10] netlink_unicast+0x449/0x710 [ 3604.351413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.351413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.351413][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.351413][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.351413][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.351413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.351413][ T10] [ 3604.353590][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3604.353590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.353590][ T10] ipv6_find_idev+0x102/0x170 [ 3604.353590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.353590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.353590][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.353590][ T10] netlink_unicast+0x449/0x710 [ 3604.353590][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.353590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.353590][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.353590][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.353590][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.353590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.353590][ T10] [ 3604.355369][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3604.355369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.355369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.355369][ T10] ipv6_find_idev+0x102/0x170 [ 3604.355369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.355369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.355369][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.355369][ T10] netlink_unicast+0x449/0x710 [ 3604.355369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.355369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.355369][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.355369][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.355369][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.355369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.355369][ T10] [ 3614.605882][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3614.606456][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3614.606456][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.606456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.606456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.606456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.606456][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.606456][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.606456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.606456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.606456][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.606456][ T10] netlink_unicast+0x449/0x710 [ 3614.606456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.606456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.606456][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.606456][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.606456][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.606456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.606456][ T10] [ 3614.609552][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3614.609552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.609552][ T10] ipv6_find_idev+0x102/0x170 [ 3614.609552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.609552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.609552][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.609552][ T10] netlink_unicast+0x449/0x710 [ 3614.609552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.609552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.609552][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.609552][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.609552][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.609552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.609552][ T10] [ 3614.611889][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3614.611889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.611889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.611889][ T10] ipv6_find_idev+0x102/0x170 [ 3614.611889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.611889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.611889][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.611889][ T10] netlink_unicast+0x449/0x710 [ 3614.611889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.611889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.611889][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.611889][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.611889][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.611889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.611889][ T10] [ 3614.614379][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3614.614774][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3614.614774][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.614774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.614774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.614774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.614774][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.614774][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.614774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.614774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.614774][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.614774][ T10] netlink_unicast+0x449/0x710 [ 3614.614774][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.614774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.614774][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.614774][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.614774][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.614774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.614774][ T10] [ 3614.617739][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3614.617739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.617739][ T10] ipv6_find_idev+0x102/0x170 [ 3614.617739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.617739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.617739][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.617739][ T10] netlink_unicast+0x449/0x710 [ 3614.617739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.617739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.617739][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.617739][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.617739][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.617739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.617739][ T10] [ 3614.619975][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3614.619975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.619975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.619975][ T10] ipv6_find_idev+0x102/0x170 [ 3614.619975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.619975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.619975][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.619975][ T10] netlink_unicast+0x449/0x710 [ 3614.619975][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.619975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.619975][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.619975][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.619975][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.619975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.619975][ T10] [ 3614.622481][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3614.622842][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3614.622842][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.622842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.622842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.622842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.622842][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.622842][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.622842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.622842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.622842][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.622842][ T10] netlink_unicast+0x449/0x710 [ 3614.622842][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.622842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.622842][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.622842][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.622842][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.622842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.622842][ T10] [ 3614.625827][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3614.625827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.625827][ T10] ipv6_find_idev+0x102/0x170 [ 3614.625827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.625827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.625827][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.625827][ T10] netlink_unicast+0x449/0x710 [ 3614.625827][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.625827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.625827][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.625827][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.625827][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.625827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.625827][ T10] [ 3614.628127][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3614.628127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.628127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.628127][ T10] ipv6_find_idev+0x102/0x170 [ 3614.628127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.628127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.628127][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.628127][ T10] netlink_unicast+0x449/0x710 [ 3614.628127][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.628127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.628127][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.628127][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.628127][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.628127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.628127][ T10] [ 3614.630518][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3614.631350][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3614.631350][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.631350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.631350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.631350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.631350][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.631350][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.631350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.631350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.631350][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.631350][ T10] netlink_unicast+0x449/0x710 [ 3614.631350][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.631350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.631350][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.631350][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.631350][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.631350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.631350][ T10] [ 3614.634278][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3614.634278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.634278][ T10] ipv6_find_idev+0x102/0x170 [ 3614.634278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.634278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.634278][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.634278][ T10] netlink_unicast+0x449/0x710 [ 3614.634278][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.634278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.634278][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.634278][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.634278][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.634278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.634278][ T10] [ 3614.636469][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3614.636469][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.636469][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.636469][ T10] ipv6_find_idev+0x102/0x170 [ 3614.636469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.636469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.636469][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.636469][ T10] netlink_unicast+0x449/0x710 [ 3614.636469][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.636469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.636469][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.636469][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.636469][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.636469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.636469][ T10] [ 3614.638975][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3614.639394][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3614.639394][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.639394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.639394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.639394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.639394][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.639394][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.639394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.639394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.639394][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.639394][ T10] netlink_unicast+0x449/0x710 [ 3614.639394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.639394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.639394][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.639394][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.639394][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.639394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.639394][ T10] [ 3614.642289][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3614.642289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.642289][ T10] ipv6_find_idev+0x102/0x170 [ 3614.642289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.642289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.642289][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.642289][ T10] netlink_unicast+0x449/0x710 [ 3614.642289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.642289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.642289][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.642289][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.642289][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.642289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.642289][ T10] [ 3614.644514][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3614.644514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.644514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.644514][ T10] ipv6_find_idev+0x102/0x170 [ 3614.644514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.644514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.644514][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.644514][ T10] netlink_unicast+0x449/0x710 [ 3614.644514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.644514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.644514][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.644514][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.644514][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.644514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.644514][ T10] [ 3614.646922][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3614.647339][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3614.647339][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.647339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.647339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.647339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.647339][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.647339][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.647339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.647339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.647339][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.647339][ T10] netlink_unicast+0x449/0x710 [ 3614.647339][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.647339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.647339][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.647339][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.647339][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.647339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.647339][ T10] [ 3614.650327][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3614.650327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.650327][ T10] ipv6_find_idev+0x102/0x170 [ 3614.650327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.650327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.650327][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.650327][ T10] netlink_unicast+0x449/0x710 [ 3614.650327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.650327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.650327][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.650327][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.650327][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.650327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.650327][ T10] [ 3614.652655][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3614.652655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.652655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.652655][ T10] ipv6_find_idev+0x102/0x170 [ 3614.652655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.652655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.652655][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.652655][ T10] netlink_unicast+0x449/0x710 [ 3614.652655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.652655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.652655][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.652655][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.652655][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.652655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.652655][ T10] [ 3614.655292][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3614.655720][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3614.655720][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.655720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.655720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.655720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.655720][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.655720][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.655720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.655720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.655720][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.655720][ T10] netlink_unicast+0x449/0x710 [ 3614.655720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.655720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.655720][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.655720][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.655720][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.655720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.655720][ T10] [ 3614.658693][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3614.658693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.658693][ T10] ipv6_find_idev+0x102/0x170 [ 3614.658693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.658693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.658693][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.658693][ T10] netlink_unicast+0x449/0x710 [ 3614.658693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.658693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.658693][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.658693][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.658693][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.658693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.658693][ T10] [ 3614.661102][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3614.661102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.661102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.661102][ T10] ipv6_find_idev+0x102/0x170 [ 3614.661102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.661102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.661102][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.661102][ T10] netlink_unicast+0x449/0x710 [ 3614.661102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.661102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.661102][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.661102][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.661102][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.661102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.661102][ T10] [ 3614.663668][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3614.664115][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3614.664115][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.664115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.664115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.664115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.664115][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.664115][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.664115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.664115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.664115][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.664115][ T10] netlink_unicast+0x449/0x710 [ 3614.664115][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.664115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.664115][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.664115][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.664115][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.664115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.664115][ T10] [ 3614.667110][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3614.667110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.667110][ T10] ipv6_find_idev+0x102/0x170 [ 3614.667110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.667110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.667110][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.667110][ T10] netlink_unicast+0x449/0x710 [ 3614.667110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.667110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.667110][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.667110][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.667110][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.667110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.667110][ T10] [ 3614.669441][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3614.669441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.669441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.669441][ T10] ipv6_find_idev+0x102/0x170 [ 3614.669441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.669441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.669441][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.669441][ T10] netlink_unicast+0x449/0x710 [ 3614.669441][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.669441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.669441][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.669441][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.669441][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.669441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.669441][ T10] [ 3624.685907][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3624.686289][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3624.686289][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.686289][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.686289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.686289][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.686289][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.686289][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.686289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.686289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.686289][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.686289][ T10] netlink_unicast+0x449/0x710 [ 3624.686289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.686289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.686289][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.686289][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.686289][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.686289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.686289][ T10] [ 3624.688368][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3624.688368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.688368][ T10] ipv6_find_idev+0x102/0x170 [ 3624.688368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.688368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.688368][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.688368][ T10] netlink_unicast+0x449/0x710 [ 3624.688368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.688368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.688368][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.688368][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.688368][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.688368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.688368][ T10] [ 3624.690016][ T10] ref_tracker: ns1eth4@ffff8880077f45c0 has 1/3 users at [ 3624.690016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.690016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.690016][ T10] ipv6_find_idev+0x102/0x170 [ 3624.690016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.690016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.690016][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.690016][ T10] netlink_unicast+0x449/0x710 [ 3624.690016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.690016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.690016][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.690016][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.690016][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.690016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.690016][ T10] [ 3624.691798][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3624.692087][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3624.692087][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.692087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.692087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.692087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.692087][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.692087][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.692087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.692087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.692087][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.692087][ T10] netlink_unicast+0x449/0x710 [ 3624.692087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.692087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.692087][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.692087][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.692087][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.692087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.692087][ T10] [ 3624.694191][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3624.694191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.694191][ T10] ipv6_find_idev+0x102/0x170 [ 3624.694191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.694191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.694191][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.694191][ T10] netlink_unicast+0x449/0x710 [ 3624.694191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.694191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.694191][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.694191][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.694191][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.694191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.694191][ T10] [ 3624.695813][ T10] ref_tracker: ns2eth4@ffff888006b1c5c0 has 1/3 users at [ 3624.695813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.695813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.695813][ T10] ipv6_find_idev+0x102/0x170 [ 3624.695813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.695813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.695813][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.695813][ T10] netlink_unicast+0x449/0x710 [ 3624.695813][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.695813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.695813][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.695813][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.695813][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.695813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.695813][ T10] [ 3624.697592][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3624.697877][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3624.697877][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.697877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.697877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.697877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.697877][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.697877][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.697877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.697877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.697877][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.697877][ T10] netlink_unicast+0x449/0x710 [ 3624.697877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.697877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.697877][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.697877][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.697877][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.697877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.697877][ T10] [ 3624.700019][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3624.700019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.700019][ T10] ipv6_find_idev+0x102/0x170 [ 3624.700019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.700019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.700019][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.700019][ T10] netlink_unicast+0x449/0x710 [ 3624.700019][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.700019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.700019][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.700019][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.700019][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.700019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.700019][ T10] [ 3624.701585][ T10] ref_tracker: ns1eth3@ffff8880076495c0 has 1/3 users at [ 3624.701585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.701585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.701585][ T10] ipv6_find_idev+0x102/0x170 [ 3624.701585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.701585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.701585][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.701585][ T10] netlink_unicast+0x449/0x710 [ 3624.701585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.701585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.701585][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.701585][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.701585][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.701585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.701585][ T10] [ 3624.703261][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3624.703520][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3624.703520][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.703520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.703520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.703520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.703520][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.703520][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.703520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.703520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.703520][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.703520][ T10] netlink_unicast+0x449/0x710 [ 3624.703520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.703520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.703520][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.703520][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.703520][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.703520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.703520][ T10] [ 3624.705628][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3624.705628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.705628][ T10] ipv6_find_idev+0x102/0x170 [ 3624.705628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.705628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.705628][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.705628][ T10] netlink_unicast+0x449/0x710 [ 3624.705628][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.705628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.705628][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.705628][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.705628][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.705628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.705628][ T10] [ 3624.707264][ T10] ref_tracker: ns2eth3@ffff88800764c5c0 has 1/3 users at [ 3624.707264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.707264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.707264][ T10] ipv6_find_idev+0x102/0x170 [ 3624.707264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.707264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.707264][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.707264][ T10] netlink_unicast+0x449/0x710 [ 3624.707264][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.707264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.707264][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.707264][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.707264][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.707264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.707264][ T10] [ 3624.709045][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3624.709321][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3624.709321][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.709321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.709321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.709321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.709321][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.709321][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.709321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.709321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.709321][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.709321][ T10] netlink_unicast+0x449/0x710 [ 3624.709321][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.709321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.709321][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.709321][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.709321][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.709321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.709321][ T10] [ 3624.711446][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3624.711446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.711446][ T10] ipv6_find_idev+0x102/0x170 [ 3624.711446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.711446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.711446][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.711446][ T10] netlink_unicast+0x449/0x710 [ 3624.711446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.711446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.711446][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.711446][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.711446][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.711446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.711446][ T10] [ 3624.713176][ T10] ref_tracker: ns1eth2@ffff8880065815c0 has 1/3 users at [ 3624.713176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.713176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.713176][ T10] ipv6_find_idev+0x102/0x170 [ 3624.713176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.713176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.713176][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.713176][ T10] netlink_unicast+0x449/0x710 [ 3624.713176][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.713176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.713176][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.713176][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.713176][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.713176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.713176][ T10] [ 3624.715111][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3624.715378][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3624.715378][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.715378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.715378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.715378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.715378][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.715378][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.715378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.715378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.715378][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.715378][ T10] netlink_unicast+0x449/0x710 [ 3624.715378][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.715378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.715378][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.715378][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.715378][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.715378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.715378][ T10] [ 3624.718282][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3624.718282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.718282][ T10] ipv6_find_idev+0x102/0x170 [ 3624.718282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.718282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.718282][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.718282][ T10] netlink_unicast+0x449/0x710 [ 3624.718282][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.718282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.718282][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.718282][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.718282][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.718282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.718282][ T10] [ 3624.720422][ T10] ref_tracker: ns2eth2@ffff888006a515c0 has 1/3 users at [ 3624.720422][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.720422][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.720422][ T10] ipv6_find_idev+0x102/0x170 [ 3624.720422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.720422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.720422][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.720422][ T10] netlink_unicast+0x449/0x710 [ 3624.720422][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.720422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.720422][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.720422][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.720422][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.720422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.720422][ T10] [ 3624.722883][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3624.723306][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3624.723306][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.723306][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.723306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.723306][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.723306][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.723306][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.723306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.723306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.723306][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.723306][ T10] netlink_unicast+0x449/0x710 [ 3624.723306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.723306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.723306][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.723306][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.723306][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.723306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.723306][ T10] [ 3624.726056][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3624.726056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.726056][ T10] ipv6_find_idev+0x102/0x170 [ 3624.726056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.726056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.726056][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.726056][ T10] netlink_unicast+0x449/0x710 [ 3624.726056][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.726056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.726056][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.726056][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.726056][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.726056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.726056][ T10] [ 3624.728378][ T10] ref_tracker: ns1eth1@ffff8880050bc5c0 has 1/3 users at [ 3624.728378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.728378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.728378][ T10] ipv6_find_idev+0x102/0x170 [ 3624.728378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.728378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.728378][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.728378][ T10] netlink_unicast+0x449/0x710 [ 3624.728378][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.728378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.728378][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.728378][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.728378][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.728378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.728378][ T10] [ 3624.730723][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3624.731094][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3624.731094][ T10] netdev_get_by_index+0x5e/0x80 [ 3624.731094][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3624.731094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3624.731094][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3624.731094][ T10] ipv6_add_addr+0x411/0x2000 [ 3624.731094][ T10] inet6_addr_add+0x30e/0xa40 [ 3624.731094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3624.731094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.731094][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.731094][ T10] netlink_unicast+0x449/0x710 [ 3624.731094][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.731094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.731094][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.731094][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.731094][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.731094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.731094][ T10] [ 3624.734094][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3624.734094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3624.734094][ T10] ipv6_find_idev+0x102/0x170 [ 3624.734094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.734094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.734094][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.734094][ T10] netlink_unicast+0x449/0x710 [ 3624.734094][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.734094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.734094][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.734094][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.734094][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.734094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.734094][ T10] [ 3624.736320][ T10] ref_tracker: ns2eth1@ffff888007df95c0 has 1/3 users at [ 3624.736320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3624.736320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3624.736320][ T10] ipv6_find_idev+0x102/0x170 [ 3624.736320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3624.736320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3624.736320][ T10] netlink_rcv_skb+0x130/0x360 [ 3624.736320][ T10] netlink_unicast+0x449/0x710 [ 3624.736320][ T10] netlink_sendmsg+0x723/0xbe0 [ 3624.736320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3624.736320][ T10] ___sys_sendmsg+0xee/0x170 [ 3624.736320][ T10] __sys_sendmsg+0xcd/0x170 [ 3624.736320][ T10] do_syscall_64+0xc6/0x1e0 [ 3624.736320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3624.736320][ T10]