[ 745.920132][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 745.920458][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 745.920458][ T10] netdev_get_by_index+0x5e/0x80 [ 745.920458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.920458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.920458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.920458][ T10] ipv6_add_addr+0x411/0x2000 [ 745.920458][ T10] inet6_addr_add+0x30e/0xa40 [ 745.920458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.920458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.920458][ T10] netlink_rcv_skb+0x130/0x360 [ 745.920458][ T10] netlink_unicast+0x449/0x710 [ 745.920458][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.920458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.920458][ T10] ___sys_sendmsg+0xee/0x170 [ 745.920458][ T10] __sys_sendmsg+0xcd/0x170 [ 745.920458][ T10] do_syscall_64+0xc6/0x1e0 [ 745.920458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.920458][ T10] [ 745.922624][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 745.922624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.922624][ T10] ipv6_find_idev+0x102/0x170 [ 745.922624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.922624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.922624][ T10] netlink_rcv_skb+0x130/0x360 [ 745.922624][ T10] netlink_unicast+0x449/0x710 [ 745.922624][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.922624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.922624][ T10] ___sys_sendmsg+0xee/0x170 [ 745.922624][ T10] __sys_sendmsg+0xcd/0x170 [ 745.922624][ T10] do_syscall_64+0xc6/0x1e0 [ 745.922624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.922624][ T10] [ 745.924248][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 745.924248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.924248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.924248][ T10] ipv6_find_idev+0x102/0x170 [ 745.924248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.924248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.924248][ T10] netlink_rcv_skb+0x130/0x360 [ 745.924248][ T10] netlink_unicast+0x449/0x710 [ 745.924248][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.924248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.924248][ T10] ___sys_sendmsg+0xee/0x170 [ 745.924248][ T10] __sys_sendmsg+0xcd/0x170 [ 745.924248][ T10] do_syscall_64+0xc6/0x1e0 [ 745.924248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.924248][ T10] [ 745.926016][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 745.926299][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 745.926299][ T10] netdev_get_by_index+0x5e/0x80 [ 745.926299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.926299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.926299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.926299][ T10] ipv6_add_addr+0x411/0x2000 [ 745.926299][ T10] inet6_addr_add+0x30e/0xa40 [ 745.926299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.926299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.926299][ T10] netlink_rcv_skb+0x130/0x360 [ 745.926299][ T10] netlink_unicast+0x449/0x710 [ 745.926299][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.926299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.926299][ T10] ___sys_sendmsg+0xee/0x170 [ 745.926299][ T10] __sys_sendmsg+0xcd/0x170 [ 745.926299][ T10] do_syscall_64+0xc6/0x1e0 [ 745.926299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.926299][ T10] [ 745.928407][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 745.928407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.928407][ T10] ipv6_find_idev+0x102/0x170 [ 745.928407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.928407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.928407][ T10] netlink_rcv_skb+0x130/0x360 [ 745.928407][ T10] netlink_unicast+0x449/0x710 [ 745.928407][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.928407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.928407][ T10] ___sys_sendmsg+0xee/0x170 [ 745.928407][ T10] __sys_sendmsg+0xcd/0x170 [ 745.928407][ T10] do_syscall_64+0xc6/0x1e0 [ 745.928407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.928407][ T10] [ 745.930304][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 745.930304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.930304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.930304][ T10] ipv6_find_idev+0x102/0x170 [ 745.930304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.930304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.930304][ T10] netlink_rcv_skb+0x130/0x360 [ 745.930304][ T10] netlink_unicast+0x449/0x710 [ 745.930304][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.930304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.930304][ T10] ___sys_sendmsg+0xee/0x170 [ 745.930304][ T10] __sys_sendmsg+0xcd/0x170 [ 745.930304][ T10] do_syscall_64+0xc6/0x1e0 [ 745.930304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.930304][ T10] [ 745.932047][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 745.932342][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 745.932342][ T10] netdev_get_by_index+0x5e/0x80 [ 745.932342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.932342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.932342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.932342][ T10] ipv6_add_addr+0x411/0x2000 [ 745.932342][ T10] inet6_addr_add+0x30e/0xa40 [ 745.932342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.932342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.932342][ T10] netlink_rcv_skb+0x130/0x360 [ 745.932342][ T10] netlink_unicast+0x449/0x710 [ 745.932342][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.932342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.932342][ T10] ___sys_sendmsg+0xee/0x170 [ 745.932342][ T10] __sys_sendmsg+0xcd/0x170 [ 745.932342][ T10] do_syscall_64+0xc6/0x1e0 [ 745.932342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.932342][ T10] [ 745.934450][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 745.934450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.934450][ T10] ipv6_find_idev+0x102/0x170 [ 745.934450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.934450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.934450][ T10] netlink_rcv_skb+0x130/0x360 [ 745.934450][ T10] netlink_unicast+0x449/0x710 [ 745.934450][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.934450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.934450][ T10] ___sys_sendmsg+0xee/0x170 [ 745.934450][ T10] __sys_sendmsg+0xcd/0x170 [ 745.934450][ T10] do_syscall_64+0xc6/0x1e0 [ 745.934450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.934450][ T10] [ 745.936075][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 745.936075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.936075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.936075][ T10] ipv6_find_idev+0x102/0x170 [ 745.936075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.936075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.936075][ T10] netlink_rcv_skb+0x130/0x360 [ 745.936075][ T10] netlink_unicast+0x449/0x710 [ 745.936075][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.936075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.936075][ T10] ___sys_sendmsg+0xee/0x170 [ 745.936075][ T10] __sys_sendmsg+0xcd/0x170 [ 745.936075][ T10] do_syscall_64+0xc6/0x1e0 [ 745.936075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.936075][ T10] [ 745.937812][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 745.938136][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 745.938136][ T10] netdev_get_by_index+0x5e/0x80 [ 745.938136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.938136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.938136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.938136][ T10] ipv6_add_addr+0x411/0x2000 [ 745.938136][ T10] inet6_addr_add+0x30e/0xa40 [ 745.938136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.938136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.938136][ T10] netlink_rcv_skb+0x130/0x360 [ 745.938136][ T10] netlink_unicast+0x449/0x710 [ 745.938136][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.938136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.938136][ T10] ___sys_sendmsg+0xee/0x170 [ 745.938136][ T10] __sys_sendmsg+0xcd/0x170 [ 745.938136][ T10] do_syscall_64+0xc6/0x1e0 [ 745.938136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.938136][ T10] [ 745.940451][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 745.940451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.940451][ T10] ipv6_find_idev+0x102/0x170 [ 745.940451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.940451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.940451][ T10] netlink_rcv_skb+0x130/0x360 [ 745.940451][ T10] netlink_unicast+0x449/0x710 [ 745.940451][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.940451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.940451][ T10] ___sys_sendmsg+0xee/0x170 [ 745.940451][ T10] __sys_sendmsg+0xcd/0x170 [ 745.940451][ T10] do_syscall_64+0xc6/0x1e0 [ 745.940451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.940451][ T10] [ 745.942173][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 745.942173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.942173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.942173][ T10] ipv6_find_idev+0x102/0x170 [ 745.942173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.942173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.942173][ T10] netlink_rcv_skb+0x130/0x360 [ 745.942173][ T10] netlink_unicast+0x449/0x710 [ 745.942173][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.942173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.942173][ T10] ___sys_sendmsg+0xee/0x170 [ 745.942173][ T10] __sys_sendmsg+0xcd/0x170 [ 745.942173][ T10] do_syscall_64+0xc6/0x1e0 [ 745.942173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.942173][ T10] [ 745.944515][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 745.944774][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 745.944774][ T10] netdev_get_by_index+0x5e/0x80 [ 745.944774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.944774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.944774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.944774][ T10] ipv6_add_addr+0x411/0x2000 [ 745.944774][ T10] inet6_addr_add+0x30e/0xa40 [ 745.944774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.944774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.944774][ T10] netlink_rcv_skb+0x130/0x360 [ 745.944774][ T10] netlink_unicast+0x449/0x710 [ 745.944774][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.944774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.944774][ T10] ___sys_sendmsg+0xee/0x170 [ 745.944774][ T10] __sys_sendmsg+0xcd/0x170 [ 745.944774][ T10] do_syscall_64+0xc6/0x1e0 [ 745.944774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.944774][ T10] [ 745.946757][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 745.946757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.946757][ T10] ipv6_find_idev+0x102/0x170 [ 745.946757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.946757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.946757][ T10] netlink_rcv_skb+0x130/0x360 [ 745.946757][ T10] netlink_unicast+0x449/0x710 [ 745.946757][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.946757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.946757][ T10] ___sys_sendmsg+0xee/0x170 [ 745.946757][ T10] __sys_sendmsg+0xcd/0x170 [ 745.946757][ T10] do_syscall_64+0xc6/0x1e0 [ 745.946757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.946757][ T10] [ 745.948309][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 745.948309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.948309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.948309][ T10] ipv6_find_idev+0x102/0x170 [ 745.948309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.948309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.948309][ T10] netlink_rcv_skb+0x130/0x360 [ 745.948309][ T10] netlink_unicast+0x449/0x710 [ 745.948309][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.948309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.948309][ T10] ___sys_sendmsg+0xee/0x170 [ 745.948309][ T10] __sys_sendmsg+0xcd/0x170 [ 745.948309][ T10] do_syscall_64+0xc6/0x1e0 [ 745.948309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.948309][ T10] [ 745.950507][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 745.950819][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 745.950819][ T10] netdev_get_by_index+0x5e/0x80 [ 745.950819][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.950819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.950819][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.950819][ T10] ipv6_add_addr+0x411/0x2000 [ 745.950819][ T10] inet6_addr_add+0x30e/0xa40 [ 745.950819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.950819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.950819][ T10] netlink_rcv_skb+0x130/0x360 [ 745.950819][ T10] netlink_unicast+0x449/0x710 [ 745.950819][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.950819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.950819][ T10] ___sys_sendmsg+0xee/0x170 [ 745.950819][ T10] __sys_sendmsg+0xcd/0x170 [ 745.950819][ T10] do_syscall_64+0xc6/0x1e0 [ 745.950819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.950819][ T10] [ 745.953041][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 745.953041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.953041][ T10] ipv6_find_idev+0x102/0x170 [ 745.953041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.953041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.953041][ T10] netlink_rcv_skb+0x130/0x360 [ 745.953041][ T10] netlink_unicast+0x449/0x710 [ 745.953041][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.953041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.953041][ T10] ___sys_sendmsg+0xee/0x170 [ 745.953041][ T10] __sys_sendmsg+0xcd/0x170 [ 745.953041][ T10] do_syscall_64+0xc6/0x1e0 [ 745.953041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.953041][ T10] [ 745.954670][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 745.954670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.954670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.954670][ T10] ipv6_find_idev+0x102/0x170 [ 745.954670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.954670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.954670][ T10] netlink_rcv_skb+0x130/0x360 [ 745.954670][ T10] netlink_unicast+0x449/0x710 [ 745.954670][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.954670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.954670][ T10] ___sys_sendmsg+0xee/0x170 [ 745.954670][ T10] __sys_sendmsg+0xcd/0x170 [ 745.954670][ T10] do_syscall_64+0xc6/0x1e0 [ 745.954670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.954670][ T10] [ 745.956723][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 745.957069][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 745.957069][ T10] netdev_get_by_index+0x5e/0x80 [ 745.957069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.957069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.957069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.957069][ T10] ipv6_add_addr+0x411/0x2000 [ 745.957069][ T10] inet6_addr_add+0x30e/0xa40 [ 745.957069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.957069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.957069][ T10] netlink_rcv_skb+0x130/0x360 [ 745.957069][ T10] netlink_unicast+0x449/0x710 [ 745.957069][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.957069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.957069][ T10] ___sys_sendmsg+0xee/0x170 [ 745.957069][ T10] __sys_sendmsg+0xcd/0x170 [ 745.957069][ T10] do_syscall_64+0xc6/0x1e0 [ 745.957069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.957069][ T10] [ 745.959400][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 745.959400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.959400][ T10] ipv6_find_idev+0x102/0x170 [ 745.959400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.959400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.959400][ T10] netlink_rcv_skb+0x130/0x360 [ 745.959400][ T10] netlink_unicast+0x449/0x710 [ 745.959400][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.959400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.959400][ T10] ___sys_sendmsg+0xee/0x170 [ 745.959400][ T10] __sys_sendmsg+0xcd/0x170 [ 745.959400][ T10] do_syscall_64+0xc6/0x1e0 [ 745.959400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.959400][ T10] [ 745.961314][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 745.961314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.961314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.961314][ T10] ipv6_find_idev+0x102/0x170 [ 745.961314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.961314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.961314][ T10] netlink_rcv_skb+0x130/0x360 [ 745.961314][ T10] netlink_unicast+0x449/0x710 [ 745.961314][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.961314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.961314][ T10] ___sys_sendmsg+0xee/0x170 [ 745.961314][ T10] __sys_sendmsg+0xcd/0x170 [ 745.961314][ T10] do_syscall_64+0xc6/0x1e0 [ 745.961314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.961314][ T10] [ 745.963310][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 745.963586][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 745.963586][ T10] netdev_get_by_index+0x5e/0x80 [ 745.963586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 745.963586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 745.963586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 745.963586][ T10] ipv6_add_addr+0x411/0x2000 [ 745.963586][ T10] inet6_addr_add+0x30e/0xa40 [ 745.963586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 745.963586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.963586][ T10] netlink_rcv_skb+0x130/0x360 [ 745.963586][ T10] netlink_unicast+0x449/0x710 [ 745.963586][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.963586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.963586][ T10] ___sys_sendmsg+0xee/0x170 [ 745.963586][ T10] __sys_sendmsg+0xcd/0x170 [ 745.963586][ T10] do_syscall_64+0xc6/0x1e0 [ 745.963586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.963586][ T10] [ 745.965887][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 745.965887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 745.965887][ T10] ipv6_find_idev+0x102/0x170 [ 745.965887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.965887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.965887][ T10] netlink_rcv_skb+0x130/0x360 [ 745.965887][ T10] netlink_unicast+0x449/0x710 [ 745.965887][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.965887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.965887][ T10] ___sys_sendmsg+0xee/0x170 [ 745.965887][ T10] __sys_sendmsg+0xcd/0x170 [ 745.965887][ T10] do_syscall_64+0xc6/0x1e0 [ 745.965887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.965887][ T10] [ 745.967636][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 745.967636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 745.967636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 745.967636][ T10] ipv6_find_idev+0x102/0x170 [ 745.967636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 745.967636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 745.967636][ T10] netlink_rcv_skb+0x130/0x360 [ 745.967636][ T10] netlink_unicast+0x449/0x710 [ 745.967636][ T10] netlink_sendmsg+0x723/0xbe0 [ 745.967636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 745.967636][ T10] ___sys_sendmsg+0xee/0x170 [ 745.967636][ T10] __sys_sendmsg+0xcd/0x170 [ 745.967636][ T10] do_syscall_64+0xc6/0x1e0 [ 745.967636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 745.967636][ T10] [ 756.088302][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 756.089008][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 756.089008][ T10] netdev_get_by_index+0x5e/0x80 [ 756.089008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.089008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.089008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.089008][ T10] ipv6_add_addr+0x411/0x2000 [ 756.089008][ T10] inet6_addr_add+0x30e/0xa40 [ 756.089008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.089008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.089008][ T10] netlink_rcv_skb+0x130/0x360 [ 756.089008][ T10] netlink_unicast+0x449/0x710 [ 756.089008][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.089008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.089008][ T10] ___sys_sendmsg+0xee/0x170 [ 756.089008][ T10] __sys_sendmsg+0xcd/0x170 [ 756.089008][ T10] do_syscall_64+0xc6/0x1e0 [ 756.089008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.089008][ T10] [ 756.090959][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 756.090959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.090959][ T10] ipv6_find_idev+0x102/0x170 [ 756.090959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.090959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.090959][ T10] netlink_rcv_skb+0x130/0x360 [ 756.090959][ T10] netlink_unicast+0x449/0x710 [ 756.090959][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.090959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.090959][ T10] ___sys_sendmsg+0xee/0x170 [ 756.090959][ T10] __sys_sendmsg+0xcd/0x170 [ 756.090959][ T10] do_syscall_64+0xc6/0x1e0 [ 756.090959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.090959][ T10] [ 756.092434][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 756.092434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.092434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.092434][ T10] ipv6_find_idev+0x102/0x170 [ 756.092434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.092434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.092434][ T10] netlink_rcv_skb+0x130/0x360 [ 756.092434][ T10] netlink_unicast+0x449/0x710 [ 756.092434][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.092434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.092434][ T10] ___sys_sendmsg+0xee/0x170 [ 756.092434][ T10] __sys_sendmsg+0xcd/0x170 [ 756.092434][ T10] do_syscall_64+0xc6/0x1e0 [ 756.092434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.092434][ T10] [ 756.094125][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 756.094389][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 756.094389][ T10] netdev_get_by_index+0x5e/0x80 [ 756.094389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.094389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.094389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.094389][ T10] ipv6_add_addr+0x411/0x2000 [ 756.094389][ T10] inet6_addr_add+0x30e/0xa40 [ 756.094389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.094389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.094389][ T10] netlink_rcv_skb+0x130/0x360 [ 756.094389][ T10] netlink_unicast+0x449/0x710 [ 756.094389][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.094389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.094389][ T10] ___sys_sendmsg+0xee/0x170 [ 756.094389][ T10] __sys_sendmsg+0xcd/0x170 [ 756.094389][ T10] do_syscall_64+0xc6/0x1e0 [ 756.094389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.094389][ T10] [ 756.096296][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 756.096296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.096296][ T10] ipv6_find_idev+0x102/0x170 [ 756.096296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.096296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.096296][ T10] netlink_rcv_skb+0x130/0x360 [ 756.096296][ T10] netlink_unicast+0x449/0x710 [ 756.096296][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.096296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.096296][ T10] ___sys_sendmsg+0xee/0x170 [ 756.096296][ T10] __sys_sendmsg+0xcd/0x170 [ 756.096296][ T10] do_syscall_64+0xc6/0x1e0 [ 756.096296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.096296][ T10] [ 756.097766][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 756.097766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.097766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.097766][ T10] ipv6_find_idev+0x102/0x170 [ 756.097766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.097766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.097766][ T10] netlink_rcv_skb+0x130/0x360 [ 756.097766][ T10] netlink_unicast+0x449/0x710 [ 756.097766][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.097766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.097766][ T10] ___sys_sendmsg+0xee/0x170 [ 756.097766][ T10] __sys_sendmsg+0xcd/0x170 [ 756.097766][ T10] do_syscall_64+0xc6/0x1e0 [ 756.097766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.097766][ T10] [ 756.099367][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 756.099620][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 756.099620][ T10] netdev_get_by_index+0x5e/0x80 [ 756.099620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.099620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.099620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.099620][ T10] ipv6_add_addr+0x411/0x2000 [ 756.099620][ T10] inet6_addr_add+0x30e/0xa40 [ 756.099620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.099620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.099620][ T10] netlink_rcv_skb+0x130/0x360 [ 756.099620][ T10] netlink_unicast+0x449/0x710 [ 756.099620][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.099620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.099620][ T10] ___sys_sendmsg+0xee/0x170 [ 756.099620][ T10] __sys_sendmsg+0xcd/0x170 [ 756.099620][ T10] do_syscall_64+0xc6/0x1e0 [ 756.099620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.099620][ T10] [ 756.101579][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 756.101579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.101579][ T10] ipv6_find_idev+0x102/0x170 [ 756.101579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.101579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.101579][ T10] netlink_rcv_skb+0x130/0x360 [ 756.101579][ T10] netlink_unicast+0x449/0x710 [ 756.101579][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.101579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.101579][ T10] ___sys_sendmsg+0xee/0x170 [ 756.101579][ T10] __sys_sendmsg+0xcd/0x170 [ 756.101579][ T10] do_syscall_64+0xc6/0x1e0 [ 756.101579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.101579][ T10] [ 756.103068][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 756.103068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.103068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.103068][ T10] ipv6_find_idev+0x102/0x170 [ 756.103068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.103068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.103068][ T10] netlink_rcv_skb+0x130/0x360 [ 756.103068][ T10] netlink_unicast+0x449/0x710 [ 756.103068][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.103068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.103068][ T10] ___sys_sendmsg+0xee/0x170 [ 756.103068][ T10] __sys_sendmsg+0xcd/0x170 [ 756.103068][ T10] do_syscall_64+0xc6/0x1e0 [ 756.103068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.103068][ T10] [ 756.104664][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 756.104921][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 756.104921][ T10] netdev_get_by_index+0x5e/0x80 [ 756.104921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.104921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.104921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.104921][ T10] ipv6_add_addr+0x411/0x2000 [ 756.104921][ T10] inet6_addr_add+0x30e/0xa40 [ 756.104921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.104921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.104921][ T10] netlink_rcv_skb+0x130/0x360 [ 756.104921][ T10] netlink_unicast+0x449/0x710 [ 756.104921][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.104921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.104921][ T10] ___sys_sendmsg+0xee/0x170 [ 756.104921][ T10] __sys_sendmsg+0xcd/0x170 [ 756.104921][ T10] do_syscall_64+0xc6/0x1e0 [ 756.104921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.104921][ T10] [ 756.106885][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 756.106885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.106885][ T10] ipv6_find_idev+0x102/0x170 [ 756.106885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.106885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.106885][ T10] netlink_rcv_skb+0x130/0x360 [ 756.106885][ T10] netlink_unicast+0x449/0x710 [ 756.106885][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.106885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.106885][ T10] ___sys_sendmsg+0xee/0x170 [ 756.106885][ T10] __sys_sendmsg+0xcd/0x170 [ 756.106885][ T10] do_syscall_64+0xc6/0x1e0 [ 756.106885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.106885][ T10] [ 756.108409][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 756.108409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.108409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.108409][ T10] ipv6_find_idev+0x102/0x170 [ 756.108409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.108409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.108409][ T10] netlink_rcv_skb+0x130/0x360 [ 756.108409][ T10] netlink_unicast+0x449/0x710 [ 756.108409][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.108409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.108409][ T10] ___sys_sendmsg+0xee/0x170 [ 756.108409][ T10] __sys_sendmsg+0xcd/0x170 [ 756.108409][ T10] do_syscall_64+0xc6/0x1e0 [ 756.108409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.108409][ T10] [ 756.110088][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 756.110414][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 756.110414][ T10] netdev_get_by_index+0x5e/0x80 [ 756.110414][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.110414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.110414][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.110414][ T10] ipv6_add_addr+0x411/0x2000 [ 756.110414][ T10] inet6_addr_add+0x30e/0xa40 [ 756.110414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.110414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.110414][ T10] netlink_rcv_skb+0x130/0x360 [ 756.110414][ T10] netlink_unicast+0x449/0x710 [ 756.110414][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.110414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.110414][ T10] ___sys_sendmsg+0xee/0x170 [ 756.110414][ T10] __sys_sendmsg+0xcd/0x170 [ 756.110414][ T10] do_syscall_64+0xc6/0x1e0 [ 756.110414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.110414][ T10] [ 756.112390][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 756.112390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.112390][ T10] ipv6_find_idev+0x102/0x170 [ 756.112390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.112390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.112390][ T10] netlink_rcv_skb+0x130/0x360 [ 756.112390][ T10] netlink_unicast+0x449/0x710 [ 756.112390][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.112390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.112390][ T10] ___sys_sendmsg+0xee/0x170 [ 756.112390][ T10] __sys_sendmsg+0xcd/0x170 [ 756.112390][ T10] do_syscall_64+0xc6/0x1e0 [ 756.112390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.112390][ T10] [ 756.113869][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 756.113869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.113869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.113869][ T10] ipv6_find_idev+0x102/0x170 [ 756.113869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.113869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.113869][ T10] netlink_rcv_skb+0x130/0x360 [ 756.113869][ T10] netlink_unicast+0x449/0x710 [ 756.113869][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.113869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.113869][ T10] ___sys_sendmsg+0xee/0x170 [ 756.113869][ T10] __sys_sendmsg+0xcd/0x170 [ 756.113869][ T10] do_syscall_64+0xc6/0x1e0 [ 756.113869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.113869][ T10] [ 756.115756][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 756.116024][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 756.116024][ T10] netdev_get_by_index+0x5e/0x80 [ 756.116024][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.116024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.116024][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.116024][ T10] ipv6_add_addr+0x411/0x2000 [ 756.116024][ T10] inet6_addr_add+0x30e/0xa40 [ 756.116024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.116024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.116024][ T10] netlink_rcv_skb+0x130/0x360 [ 756.116024][ T10] netlink_unicast+0x449/0x710 [ 756.116024][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.116024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.116024][ T10] ___sys_sendmsg+0xee/0x170 [ 756.116024][ T10] __sys_sendmsg+0xcd/0x170 [ 756.116024][ T10] do_syscall_64+0xc6/0x1e0 [ 756.116024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.116024][ T10] [ 756.118217][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 756.118217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.118217][ T10] ipv6_find_idev+0x102/0x170 [ 756.118217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.118217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.118217][ T10] netlink_rcv_skb+0x130/0x360 [ 756.118217][ T10] netlink_unicast+0x449/0x710 [ 756.118217][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.118217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.118217][ T10] ___sys_sendmsg+0xee/0x170 [ 756.118217][ T10] __sys_sendmsg+0xcd/0x170 [ 756.118217][ T10] do_syscall_64+0xc6/0x1e0 [ 756.118217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.118217][ T10] [ 756.119855][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 756.119855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.119855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.119855][ T10] ipv6_find_idev+0x102/0x170 [ 756.119855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.119855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.119855][ T10] netlink_rcv_skb+0x130/0x360 [ 756.119855][ T10] netlink_unicast+0x449/0x710 [ 756.119855][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.119855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.119855][ T10] ___sys_sendmsg+0xee/0x170 [ 756.119855][ T10] __sys_sendmsg+0xcd/0x170 [ 756.119855][ T10] do_syscall_64+0xc6/0x1e0 [ 756.119855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.119855][ T10] [ 756.121694][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 756.121962][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 756.121962][ T10] netdev_get_by_index+0x5e/0x80 [ 756.121962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.121962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.121962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.121962][ T10] ipv6_add_addr+0x411/0x2000 [ 756.121962][ T10] inet6_addr_add+0x30e/0xa40 [ 756.121962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.121962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.121962][ T10] netlink_rcv_skb+0x130/0x360 [ 756.121962][ T10] netlink_unicast+0x449/0x710 [ 756.121962][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.121962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.121962][ T10] ___sys_sendmsg+0xee/0x170 [ 756.121962][ T10] __sys_sendmsg+0xcd/0x170 [ 756.121962][ T10] do_syscall_64+0xc6/0x1e0 [ 756.121962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.121962][ T10] [ 756.124187][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 756.124187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.124187][ T10] ipv6_find_idev+0x102/0x170 [ 756.124187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.124187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.124187][ T10] netlink_rcv_skb+0x130/0x360 [ 756.124187][ T10] netlink_unicast+0x449/0x710 [ 756.124187][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.124187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.124187][ T10] ___sys_sendmsg+0xee/0x170 [ 756.124187][ T10] __sys_sendmsg+0xcd/0x170 [ 756.124187][ T10] do_syscall_64+0xc6/0x1e0 [ 756.124187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.124187][ T10] [ 756.125853][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 756.125853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.125853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.125853][ T10] ipv6_find_idev+0x102/0x170 [ 756.125853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.125853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.125853][ T10] netlink_rcv_skb+0x130/0x360 [ 756.125853][ T10] netlink_unicast+0x449/0x710 [ 756.125853][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.125853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.125853][ T10] ___sys_sendmsg+0xee/0x170 [ 756.125853][ T10] __sys_sendmsg+0xcd/0x170 [ 756.125853][ T10] do_syscall_64+0xc6/0x1e0 [ 756.125853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.125853][ T10] [ 756.127802][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 756.128058][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 756.128058][ T10] netdev_get_by_index+0x5e/0x80 [ 756.128058][ T10] fib6_nh_init+0x3d8/0x15b0 [ 756.128058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 756.128058][ T10] addrconf_f6i_alloc+0x244/0x410 [ 756.128058][ T10] ipv6_add_addr+0x411/0x2000 [ 756.128058][ T10] inet6_addr_add+0x30e/0xa40 [ 756.128058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 756.128058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.128058][ T10] netlink_rcv_skb+0x130/0x360 [ 756.128058][ T10] netlink_unicast+0x449/0x710 [ 756.128058][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.128058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.128058][ T10] ___sys_sendmsg+0xee/0x170 [ 756.128058][ T10] __sys_sendmsg+0xcd/0x170 [ 756.128058][ T10] do_syscall_64+0xc6/0x1e0 [ 756.128058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.128058][ T10] [ 756.130199][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 756.130199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 756.130199][ T10] ipv6_find_idev+0x102/0x170 [ 756.130199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.130199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.130199][ T10] netlink_rcv_skb+0x130/0x360 [ 756.130199][ T10] netlink_unicast+0x449/0x710 [ 756.130199][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.130199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.130199][ T10] ___sys_sendmsg+0xee/0x170 [ 756.130199][ T10] __sys_sendmsg+0xcd/0x170 [ 756.130199][ T10] do_syscall_64+0xc6/0x1e0 [ 756.130199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.130199][ T10] [ 756.131907][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 756.131907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 756.131907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 756.131907][ T10] ipv6_find_idev+0x102/0x170 [ 756.131907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.131907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.131907][ T10] netlink_rcv_skb+0x130/0x360 [ 756.131907][ T10] netlink_unicast+0x449/0x710 [ 756.131907][ T10] netlink_sendmsg+0x723/0xbe0 [ 756.131907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 756.131907][ T10] ___sys_sendmsg+0xee/0x170 [ 756.131907][ T10] __sys_sendmsg+0xcd/0x170 [ 756.131907][ T10] do_syscall_64+0xc6/0x1e0 [ 756.131907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.131907][ T10] [ 766.273194][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 766.274013][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 766.274013][ T10] netdev_get_by_index+0x5e/0x80 [ 766.274013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.274013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.274013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.274013][ T10] ipv6_add_addr+0x411/0x2000 [ 766.274013][ T10] inet6_addr_add+0x30e/0xa40 [ 766.274013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.274013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.274013][ T10] netlink_rcv_skb+0x130/0x360 [ 766.274013][ T10] netlink_unicast+0x449/0x710 [ 766.274013][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.274013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.274013][ T10] ___sys_sendmsg+0xee/0x170 [ 766.274013][ T10] __sys_sendmsg+0xcd/0x170 [ 766.274013][ T10] do_syscall_64+0xc6/0x1e0 [ 766.274013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.274013][ T10] [ 766.276535][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 766.276535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.276535][ T10] ipv6_find_idev+0x102/0x170 [ 766.276535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.276535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.276535][ T10] netlink_rcv_skb+0x130/0x360 [ 766.276535][ T10] netlink_unicast+0x449/0x710 [ 766.276535][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.276535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.276535][ T10] ___sys_sendmsg+0xee/0x170 [ 766.276535][ T10] __sys_sendmsg+0xcd/0x170 [ 766.276535][ T10] do_syscall_64+0xc6/0x1e0 [ 766.276535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.276535][ T10] [ 766.278350][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 766.278350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.278350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.278350][ T10] ipv6_find_idev+0x102/0x170 [ 766.278350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.278350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.278350][ T10] netlink_rcv_skb+0x130/0x360 [ 766.278350][ T10] netlink_unicast+0x449/0x710 [ 766.278350][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.278350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.278350][ T10] ___sys_sendmsg+0xee/0x170 [ 766.278350][ T10] __sys_sendmsg+0xcd/0x170 [ 766.278350][ T10] do_syscall_64+0xc6/0x1e0 [ 766.278350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.278350][ T10] [ 766.280396][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 766.280748][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 766.280748][ T10] netdev_get_by_index+0x5e/0x80 [ 766.280748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.280748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.280748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.280748][ T10] ipv6_add_addr+0x411/0x2000 [ 766.280748][ T10] inet6_addr_add+0x30e/0xa40 [ 766.280748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.280748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.280748][ T10] netlink_rcv_skb+0x130/0x360 [ 766.280748][ T10] netlink_unicast+0x449/0x710 [ 766.280748][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.280748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.280748][ T10] ___sys_sendmsg+0xee/0x170 [ 766.280748][ T10] __sys_sendmsg+0xcd/0x170 [ 766.280748][ T10] do_syscall_64+0xc6/0x1e0 [ 766.280748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.280748][ T10] [ 766.283120][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 766.283120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.283120][ T10] ipv6_find_idev+0x102/0x170 [ 766.283120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.283120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.283120][ T10] netlink_rcv_skb+0x130/0x360 [ 766.283120][ T10] netlink_unicast+0x449/0x710 [ 766.283120][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.283120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.283120][ T10] ___sys_sendmsg+0xee/0x170 [ 766.283120][ T10] __sys_sendmsg+0xcd/0x170 [ 766.283120][ T10] do_syscall_64+0xc6/0x1e0 [ 766.283120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.283120][ T10] [ 766.284953][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 766.284953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.284953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.284953][ T10] ipv6_find_idev+0x102/0x170 [ 766.284953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.284953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.284953][ T10] netlink_rcv_skb+0x130/0x360 [ 766.284953][ T10] netlink_unicast+0x449/0x710 [ 766.284953][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.284953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.284953][ T10] ___sys_sendmsg+0xee/0x170 [ 766.284953][ T10] __sys_sendmsg+0xcd/0x170 [ 766.284953][ T10] do_syscall_64+0xc6/0x1e0 [ 766.284953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.284953][ T10] [ 766.287152][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 766.287487][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 766.287487][ T10] netdev_get_by_index+0x5e/0x80 [ 766.287487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.287487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.287487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.287487][ T10] ipv6_add_addr+0x411/0x2000 [ 766.287487][ T10] inet6_addr_add+0x30e/0xa40 [ 766.287487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.287487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.287487][ T10] netlink_rcv_skb+0x130/0x360 [ 766.287487][ T10] netlink_unicast+0x449/0x710 [ 766.287487][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.287487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.287487][ T10] ___sys_sendmsg+0xee/0x170 [ 766.287487][ T10] __sys_sendmsg+0xcd/0x170 [ 766.287487][ T10] do_syscall_64+0xc6/0x1e0 [ 766.287487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.287487][ T10] [ 766.290001][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 766.290001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.290001][ T10] ipv6_find_idev+0x102/0x170 [ 766.290001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.290001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.290001][ T10] netlink_rcv_skb+0x130/0x360 [ 766.290001][ T10] netlink_unicast+0x449/0x710 [ 766.290001][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.290001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.290001][ T10] ___sys_sendmsg+0xee/0x170 [ 766.290001][ T10] __sys_sendmsg+0xcd/0x170 [ 766.290001][ T10] do_syscall_64+0xc6/0x1e0 [ 766.290001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.290001][ T10] [ 766.291901][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 766.291901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.291901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.291901][ T10] ipv6_find_idev+0x102/0x170 [ 766.291901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.291901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.291901][ T10] netlink_rcv_skb+0x130/0x360 [ 766.291901][ T10] netlink_unicast+0x449/0x710 [ 766.291901][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.291901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.291901][ T10] ___sys_sendmsg+0xee/0x170 [ 766.291901][ T10] __sys_sendmsg+0xcd/0x170 [ 766.291901][ T10] do_syscall_64+0xc6/0x1e0 [ 766.291901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.291901][ T10] [ 766.294231][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 766.294585][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 766.294585][ T10] netdev_get_by_index+0x5e/0x80 [ 766.294585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.294585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.294585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.294585][ T10] ipv6_add_addr+0x411/0x2000 [ 766.294585][ T10] inet6_addr_add+0x30e/0xa40 [ 766.294585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.294585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.294585][ T10] netlink_rcv_skb+0x130/0x360 [ 766.294585][ T10] netlink_unicast+0x449/0x710 [ 766.294585][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.294585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.294585][ T10] ___sys_sendmsg+0xee/0x170 [ 766.294585][ T10] __sys_sendmsg+0xcd/0x170 [ 766.294585][ T10] do_syscall_64+0xc6/0x1e0 [ 766.294585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.294585][ T10] [ 766.297301][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 766.297301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.297301][ T10] ipv6_find_idev+0x102/0x170 [ 766.297301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.297301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.297301][ T10] netlink_rcv_skb+0x130/0x360 [ 766.297301][ T10] netlink_unicast+0x449/0x710 [ 766.297301][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.297301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.297301][ T10] ___sys_sendmsg+0xee/0x170 [ 766.297301][ T10] __sys_sendmsg+0xcd/0x170 [ 766.297301][ T10] do_syscall_64+0xc6/0x1e0 [ 766.297301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.297301][ T10] [ 766.299230][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 766.299230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.299230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.299230][ T10] ipv6_find_idev+0x102/0x170 [ 766.299230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.299230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.299230][ T10] netlink_rcv_skb+0x130/0x360 [ 766.299230][ T10] netlink_unicast+0x449/0x710 [ 766.299230][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.299230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.299230][ T10] ___sys_sendmsg+0xee/0x170 [ 766.299230][ T10] __sys_sendmsg+0xcd/0x170 [ 766.299230][ T10] do_syscall_64+0xc6/0x1e0 [ 766.299230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.299230][ T10] [ 766.301712][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 766.302071][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 766.302071][ T10] netdev_get_by_index+0x5e/0x80 [ 766.302071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.302071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.302071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.302071][ T10] ipv6_add_addr+0x411/0x2000 [ 766.302071][ T10] inet6_addr_add+0x30e/0xa40 [ 766.302071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.302071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.302071][ T10] netlink_rcv_skb+0x130/0x360 [ 766.302071][ T10] netlink_unicast+0x449/0x710 [ 766.302071][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.302071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.302071][ T10] ___sys_sendmsg+0xee/0x170 [ 766.302071][ T10] __sys_sendmsg+0xcd/0x170 [ 766.302071][ T10] do_syscall_64+0xc6/0x1e0 [ 766.302071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.302071][ T10] [ 766.304388][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 766.304388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.304388][ T10] ipv6_find_idev+0x102/0x170 [ 766.304388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.304388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.304388][ T10] netlink_rcv_skb+0x130/0x360 [ 766.304388][ T10] netlink_unicast+0x449/0x710 [ 766.304388][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.304388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.304388][ T10] ___sys_sendmsg+0xee/0x170 [ 766.304388][ T10] __sys_sendmsg+0xcd/0x170 [ 766.304388][ T10] do_syscall_64+0xc6/0x1e0 [ 766.304388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.304388][ T10] [ 766.306397][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 766.306397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.306397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.306397][ T10] ipv6_find_idev+0x102/0x170 [ 766.306397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.306397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.306397][ T10] netlink_rcv_skb+0x130/0x360 [ 766.306397][ T10] netlink_unicast+0x449/0x710 [ 766.306397][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.306397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.306397][ T10] ___sys_sendmsg+0xee/0x170 [ 766.306397][ T10] __sys_sendmsg+0xcd/0x170 [ 766.306397][ T10] do_syscall_64+0xc6/0x1e0 [ 766.306397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.306397][ T10] [ 766.308731][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 766.309080][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 766.309080][ T10] netdev_get_by_index+0x5e/0x80 [ 766.309080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.309080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.309080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.309080][ T10] ipv6_add_addr+0x411/0x2000 [ 766.309080][ T10] inet6_addr_add+0x30e/0xa40 [ 766.309080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.309080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.309080][ T10] netlink_rcv_skb+0x130/0x360 [ 766.309080][ T10] netlink_unicast+0x449/0x710 [ 766.309080][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.309080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.309080][ T10] ___sys_sendmsg+0xee/0x170 [ 766.309080][ T10] __sys_sendmsg+0xcd/0x170 [ 766.309080][ T10] do_syscall_64+0xc6/0x1e0 [ 766.309080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.309080][ T10] [ 766.311418][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 766.311418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.311418][ T10] ipv6_find_idev+0x102/0x170 [ 766.311418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.311418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.311418][ T10] netlink_rcv_skb+0x130/0x360 [ 766.311418][ T10] netlink_unicast+0x449/0x710 [ 766.311418][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.311418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.311418][ T10] ___sys_sendmsg+0xee/0x170 [ 766.311418][ T10] __sys_sendmsg+0xcd/0x170 [ 766.311418][ T10] do_syscall_64+0xc6/0x1e0 [ 766.311418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.311418][ T10] [ 766.313231][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 766.313231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.313231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.313231][ T10] ipv6_find_idev+0x102/0x170 [ 766.313231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.313231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.313231][ T10] netlink_rcv_skb+0x130/0x360 [ 766.313231][ T10] netlink_unicast+0x449/0x710 [ 766.313231][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.313231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.313231][ T10] ___sys_sendmsg+0xee/0x170 [ 766.313231][ T10] __sys_sendmsg+0xcd/0x170 [ 766.313231][ T10] do_syscall_64+0xc6/0x1e0 [ 766.313231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.313231][ T10] [ 766.315266][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 766.315637][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 766.315637][ T10] netdev_get_by_index+0x5e/0x80 [ 766.315637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.315637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.315637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.315637][ T10] ipv6_add_addr+0x411/0x2000 [ 766.315637][ T10] inet6_addr_add+0x30e/0xa40 [ 766.315637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.315637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.315637][ T10] netlink_rcv_skb+0x130/0x360 [ 766.315637][ T10] netlink_unicast+0x449/0x710 [ 766.315637][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.315637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.315637][ T10] ___sys_sendmsg+0xee/0x170 [ 766.315637][ T10] __sys_sendmsg+0xcd/0x170 [ 766.315637][ T10] do_syscall_64+0xc6/0x1e0 [ 766.315637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.315637][ T10] [ 766.318018][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 766.318018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.318018][ T10] ipv6_find_idev+0x102/0x170 [ 766.318018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.318018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.318018][ T10] netlink_rcv_skb+0x130/0x360 [ 766.318018][ T10] netlink_unicast+0x449/0x710 [ 766.318018][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.318018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.318018][ T10] ___sys_sendmsg+0xee/0x170 [ 766.318018][ T10] __sys_sendmsg+0xcd/0x170 [ 766.318018][ T10] do_syscall_64+0xc6/0x1e0 [ 766.318018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.318018][ T10] [ 766.319830][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 766.319830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.319830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.319830][ T10] ipv6_find_idev+0x102/0x170 [ 766.319830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.319830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.319830][ T10] netlink_rcv_skb+0x130/0x360 [ 766.319830][ T10] netlink_unicast+0x449/0x710 [ 766.319830][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.319830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.319830][ T10] ___sys_sendmsg+0xee/0x170 [ 766.319830][ T10] __sys_sendmsg+0xcd/0x170 [ 766.319830][ T10] do_syscall_64+0xc6/0x1e0 [ 766.319830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.319830][ T10] [ 766.321881][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 766.322261][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 766.322261][ T10] netdev_get_by_index+0x5e/0x80 [ 766.322261][ T10] fib6_nh_init+0x3d8/0x15b0 [ 766.322261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 766.322261][ T10] addrconf_f6i_alloc+0x244/0x410 [ 766.322261][ T10] ipv6_add_addr+0x411/0x2000 [ 766.322261][ T10] inet6_addr_add+0x30e/0xa40 [ 766.322261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 766.322261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.322261][ T10] netlink_rcv_skb+0x130/0x360 [ 766.322261][ T10] netlink_unicast+0x449/0x710 [ 766.322261][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.322261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.322261][ T10] ___sys_sendmsg+0xee/0x170 [ 766.322261][ T10] __sys_sendmsg+0xcd/0x170 [ 766.322261][ T10] do_syscall_64+0xc6/0x1e0 [ 766.322261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.322261][ T10] [ 766.324673][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 766.324673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 766.324673][ T10] ipv6_find_idev+0x102/0x170 [ 766.324673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.324673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.324673][ T10] netlink_rcv_skb+0x130/0x360 [ 766.324673][ T10] netlink_unicast+0x449/0x710 [ 766.324673][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.324673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.324673][ T10] ___sys_sendmsg+0xee/0x170 [ 766.324673][ T10] __sys_sendmsg+0xcd/0x170 [ 766.324673][ T10] do_syscall_64+0xc6/0x1e0 [ 766.324673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.324673][ T10] [ 766.326703][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 766.326703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 766.326703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 766.326703][ T10] ipv6_find_idev+0x102/0x170 [ 766.326703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.326703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.326703][ T10] netlink_rcv_skb+0x130/0x360 [ 766.326703][ T10] netlink_unicast+0x449/0x710 [ 766.326703][ T10] netlink_sendmsg+0x723/0xbe0 [ 766.326703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 766.326703][ T10] ___sys_sendmsg+0xee/0x170 [ 766.326703][ T10] __sys_sendmsg+0xcd/0x170 [ 766.326703][ T10] do_syscall_64+0xc6/0x1e0 [ 766.326703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.326703][ T10] [ 776.480241][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 776.480922][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 776.480922][ T10] netdev_get_by_index+0x5e/0x80 [ 776.480922][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.480922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.480922][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.480922][ T10] ipv6_add_addr+0x411/0x2000 [ 776.480922][ T10] inet6_addr_add+0x30e/0xa40 [ 776.480922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.480922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.480922][ T10] netlink_rcv_skb+0x130/0x360 [ 776.480922][ T10] netlink_unicast+0x449/0x710 [ 776.480922][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.480922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.480922][ T10] ___sys_sendmsg+0xee/0x170 [ 776.480922][ T10] __sys_sendmsg+0xcd/0x170 [ 776.480922][ T10] do_syscall_64+0xc6/0x1e0 [ 776.480922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.480922][ T10] [ 776.483135][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 776.483135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.483135][ T10] ipv6_find_idev+0x102/0x170 [ 776.483135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.483135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.483135][ T10] netlink_rcv_skb+0x130/0x360 [ 776.483135][ T10] netlink_unicast+0x449/0x710 [ 776.483135][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.483135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.483135][ T10] ___sys_sendmsg+0xee/0x170 [ 776.483135][ T10] __sys_sendmsg+0xcd/0x170 [ 776.483135][ T10] do_syscall_64+0xc6/0x1e0 [ 776.483135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.483135][ T10] [ 776.484881][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 776.484881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.484881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.484881][ T10] ipv6_find_idev+0x102/0x170 [ 776.484881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.484881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.484881][ T10] netlink_rcv_skb+0x130/0x360 [ 776.484881][ T10] netlink_unicast+0x449/0x710 [ 776.484881][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.484881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.484881][ T10] ___sys_sendmsg+0xee/0x170 [ 776.484881][ T10] __sys_sendmsg+0xcd/0x170 [ 776.484881][ T10] do_syscall_64+0xc6/0x1e0 [ 776.484881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.484881][ T10] [ 776.486726][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 776.487019][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 776.487019][ T10] netdev_get_by_index+0x5e/0x80 [ 776.487019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.487019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.487019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.487019][ T10] ipv6_add_addr+0x411/0x2000 [ 776.487019][ T10] inet6_addr_add+0x30e/0xa40 [ 776.487019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.487019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.487019][ T10] netlink_rcv_skb+0x130/0x360 [ 776.487019][ T10] netlink_unicast+0x449/0x710 [ 776.487019][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.487019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.487019][ T10] ___sys_sendmsg+0xee/0x170 [ 776.487019][ T10] __sys_sendmsg+0xcd/0x170 [ 776.487019][ T10] do_syscall_64+0xc6/0x1e0 [ 776.487019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.487019][ T10] [ 776.489217][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 776.489217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.489217][ T10] ipv6_find_idev+0x102/0x170 [ 776.489217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.489217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.489217][ T10] netlink_rcv_skb+0x130/0x360 [ 776.489217][ T10] netlink_unicast+0x449/0x710 [ 776.489217][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.489217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.489217][ T10] ___sys_sendmsg+0xee/0x170 [ 776.489217][ T10] __sys_sendmsg+0xcd/0x170 [ 776.489217][ T10] do_syscall_64+0xc6/0x1e0 [ 776.489217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.489217][ T10] [ 776.490921][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 776.490921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.490921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.490921][ T10] ipv6_find_idev+0x102/0x170 [ 776.490921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.490921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.490921][ T10] netlink_rcv_skb+0x130/0x360 [ 776.490921][ T10] netlink_unicast+0x449/0x710 [ 776.490921][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.490921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.490921][ T10] ___sys_sendmsg+0xee/0x170 [ 776.490921][ T10] __sys_sendmsg+0xcd/0x170 [ 776.490921][ T10] do_syscall_64+0xc6/0x1e0 [ 776.490921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.490921][ T10] [ 776.492746][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 776.493019][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 776.493019][ T10] netdev_get_by_index+0x5e/0x80 [ 776.493019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.493019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.493019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.493019][ T10] ipv6_add_addr+0x411/0x2000 [ 776.493019][ T10] inet6_addr_add+0x30e/0xa40 [ 776.493019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.493019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.493019][ T10] netlink_rcv_skb+0x130/0x360 [ 776.493019][ T10] netlink_unicast+0x449/0x710 [ 776.493019][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.493019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.493019][ T10] ___sys_sendmsg+0xee/0x170 [ 776.493019][ T10] __sys_sendmsg+0xcd/0x170 [ 776.493019][ T10] do_syscall_64+0xc6/0x1e0 [ 776.493019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.493019][ T10] [ 776.495211][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 776.495211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.495211][ T10] ipv6_find_idev+0x102/0x170 [ 776.495211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.495211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.495211][ T10] netlink_rcv_skb+0x130/0x360 [ 776.495211][ T10] netlink_unicast+0x449/0x710 [ 776.495211][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.495211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.495211][ T10] ___sys_sendmsg+0xee/0x170 [ 776.495211][ T10] __sys_sendmsg+0xcd/0x170 [ 776.495211][ T10] do_syscall_64+0xc6/0x1e0 [ 776.495211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.495211][ T10] [ 776.496928][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 776.496928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.496928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.496928][ T10] ipv6_find_idev+0x102/0x170 [ 776.496928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.496928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.496928][ T10] netlink_rcv_skb+0x130/0x360 [ 776.496928][ T10] netlink_unicast+0x449/0x710 [ 776.496928][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.496928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.496928][ T10] ___sys_sendmsg+0xee/0x170 [ 776.496928][ T10] __sys_sendmsg+0xcd/0x170 [ 776.496928][ T10] do_syscall_64+0xc6/0x1e0 [ 776.496928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.496928][ T10] [ 776.498743][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 776.499029][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 776.499029][ T10] netdev_get_by_index+0x5e/0x80 [ 776.499029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.499029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.499029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.499029][ T10] ipv6_add_addr+0x411/0x2000 [ 776.499029][ T10] inet6_addr_add+0x30e/0xa40 [ 776.499029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.499029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.499029][ T10] netlink_rcv_skb+0x130/0x360 [ 776.499029][ T10] netlink_unicast+0x449/0x710 [ 776.499029][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.499029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.499029][ T10] ___sys_sendmsg+0xee/0x170 [ 776.499029][ T10] __sys_sendmsg+0xcd/0x170 [ 776.499029][ T10] do_syscall_64+0xc6/0x1e0 [ 776.499029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.499029][ T10] [ 776.501307][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 776.501307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.501307][ T10] ipv6_find_idev+0x102/0x170 [ 776.501307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.501307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.501307][ T10] netlink_rcv_skb+0x130/0x360 [ 776.501307][ T10] netlink_unicast+0x449/0x710 [ 776.501307][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.501307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.501307][ T10] ___sys_sendmsg+0xee/0x170 [ 776.501307][ T10] __sys_sendmsg+0xcd/0x170 [ 776.501307][ T10] do_syscall_64+0xc6/0x1e0 [ 776.501307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.501307][ T10] [ 776.502989][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 776.502989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.502989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.502989][ T10] ipv6_find_idev+0x102/0x170 [ 776.502989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.502989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.502989][ T10] netlink_rcv_skb+0x130/0x360 [ 776.502989][ T10] netlink_unicast+0x449/0x710 [ 776.502989][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.502989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.502989][ T10] ___sys_sendmsg+0xee/0x170 [ 776.502989][ T10] __sys_sendmsg+0xcd/0x170 [ 776.502989][ T10] do_syscall_64+0xc6/0x1e0 [ 776.502989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.502989][ T10] [ 776.505205][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 776.505482][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 776.505482][ T10] netdev_get_by_index+0x5e/0x80 [ 776.505482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.505482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.505482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.505482][ T10] ipv6_add_addr+0x411/0x2000 [ 776.505482][ T10] inet6_addr_add+0x30e/0xa40 [ 776.505482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.505482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.505482][ T10] netlink_rcv_skb+0x130/0x360 [ 776.505482][ T10] netlink_unicast+0x449/0x710 [ 776.505482][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.505482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.505482][ T10] ___sys_sendmsg+0xee/0x170 [ 776.505482][ T10] __sys_sendmsg+0xcd/0x170 [ 776.505482][ T10] do_syscall_64+0xc6/0x1e0 [ 776.505482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.505482][ T10] [ 776.507641][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 776.507641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.507641][ T10] ipv6_find_idev+0x102/0x170 [ 776.507641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.507641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.507641][ T10] netlink_rcv_skb+0x130/0x360 [ 776.507641][ T10] netlink_unicast+0x449/0x710 [ 776.507641][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.507641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.507641][ T10] ___sys_sendmsg+0xee/0x170 [ 776.507641][ T10] __sys_sendmsg+0xcd/0x170 [ 776.507641][ T10] do_syscall_64+0xc6/0x1e0 [ 776.507641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.507641][ T10] [ 776.509329][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 776.509329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.509329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.509329][ T10] ipv6_find_idev+0x102/0x170 [ 776.509329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.509329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.509329][ T10] netlink_rcv_skb+0x130/0x360 [ 776.509329][ T10] netlink_unicast+0x449/0x710 [ 776.509329][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.509329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.509329][ T10] ___sys_sendmsg+0xee/0x170 [ 776.509329][ T10] __sys_sendmsg+0xcd/0x170 [ 776.509329][ T10] do_syscall_64+0xc6/0x1e0 [ 776.509329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.509329][ T10] [ 776.511212][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 776.511493][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 776.511493][ T10] netdev_get_by_index+0x5e/0x80 [ 776.511493][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.511493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.511493][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.511493][ T10] ipv6_add_addr+0x411/0x2000 [ 776.511493][ T10] inet6_addr_add+0x30e/0xa40 [ 776.511493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.511493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.511493][ T10] netlink_rcv_skb+0x130/0x360 [ 776.511493][ T10] netlink_unicast+0x449/0x710 [ 776.511493][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.511493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.511493][ T10] ___sys_sendmsg+0xee/0x170 [ 776.511493][ T10] __sys_sendmsg+0xcd/0x170 [ 776.511493][ T10] do_syscall_64+0xc6/0x1e0 [ 776.511493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.511493][ T10] [ 776.513933][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 776.513933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.513933][ T10] ipv6_find_idev+0x102/0x170 [ 776.513933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.513933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.513933][ T10] netlink_rcv_skb+0x130/0x360 [ 776.513933][ T10] netlink_unicast+0x449/0x710 [ 776.513933][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.513933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.513933][ T10] ___sys_sendmsg+0xee/0x170 [ 776.513933][ T10] __sys_sendmsg+0xcd/0x170 [ 776.513933][ T10] do_syscall_64+0xc6/0x1e0 [ 776.513933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.513933][ T10] [ 776.515796][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 776.515796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.515796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.515796][ T10] ipv6_find_idev+0x102/0x170 [ 776.515796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.515796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.515796][ T10] netlink_rcv_skb+0x130/0x360 [ 776.515796][ T10] netlink_unicast+0x449/0x710 [ 776.515796][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.515796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.515796][ T10] ___sys_sendmsg+0xee/0x170 [ 776.515796][ T10] __sys_sendmsg+0xcd/0x170 [ 776.515796][ T10] do_syscall_64+0xc6/0x1e0 [ 776.515796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.515796][ T10] [ 776.517787][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 776.518074][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 776.518074][ T10] netdev_get_by_index+0x5e/0x80 [ 776.518074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.518074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.518074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.518074][ T10] ipv6_add_addr+0x411/0x2000 [ 776.518074][ T10] inet6_addr_add+0x30e/0xa40 [ 776.518074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.518074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.518074][ T10] netlink_rcv_skb+0x130/0x360 [ 776.518074][ T10] netlink_unicast+0x449/0x710 [ 776.518074][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.518074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.518074][ T10] ___sys_sendmsg+0xee/0x170 [ 776.518074][ T10] __sys_sendmsg+0xcd/0x170 [ 776.518074][ T10] do_syscall_64+0xc6/0x1e0 [ 776.518074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.518074][ T10] [ 776.520567][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 776.520567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.520567][ T10] ipv6_find_idev+0x102/0x170 [ 776.520567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.520567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.520567][ T10] netlink_rcv_skb+0x130/0x360 [ 776.520567][ T10] netlink_unicast+0x449/0x710 [ 776.520567][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.520567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.520567][ T10] ___sys_sendmsg+0xee/0x170 [ 776.520567][ T10] __sys_sendmsg+0xcd/0x170 [ 776.520567][ T10] do_syscall_64+0xc6/0x1e0 [ 776.520567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.520567][ T10] [ 776.522455][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 776.522455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.522455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.522455][ T10] ipv6_find_idev+0x102/0x170 [ 776.522455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.522455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.522455][ T10] netlink_rcv_skb+0x130/0x360 [ 776.522455][ T10] netlink_unicast+0x449/0x710 [ 776.522455][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.522455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.522455][ T10] ___sys_sendmsg+0xee/0x170 [ 776.522455][ T10] __sys_sendmsg+0xcd/0x170 [ 776.522455][ T10] do_syscall_64+0xc6/0x1e0 [ 776.522455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.522455][ T10] [ 776.524461][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 776.524738][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 776.524738][ T10] netdev_get_by_index+0x5e/0x80 [ 776.524738][ T10] fib6_nh_init+0x3d8/0x15b0 [ 776.524738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 776.524738][ T10] addrconf_f6i_alloc+0x244/0x410 [ 776.524738][ T10] ipv6_add_addr+0x411/0x2000 [ 776.524738][ T10] inet6_addr_add+0x30e/0xa40 [ 776.524738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 776.524738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.524738][ T10] netlink_rcv_skb+0x130/0x360 [ 776.524738][ T10] netlink_unicast+0x449/0x710 [ 776.524738][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.524738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.524738][ T10] ___sys_sendmsg+0xee/0x170 [ 776.524738][ T10] __sys_sendmsg+0xcd/0x170 [ 776.524738][ T10] do_syscall_64+0xc6/0x1e0 [ 776.524738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.524738][ T10] [ 776.527195][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 776.527195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 776.527195][ T10] ipv6_find_idev+0x102/0x170 [ 776.527195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.527195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.527195][ T10] netlink_rcv_skb+0x130/0x360 [ 776.527195][ T10] netlink_unicast+0x449/0x710 [ 776.527195][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.527195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.527195][ T10] ___sys_sendmsg+0xee/0x170 [ 776.527195][ T10] __sys_sendmsg+0xcd/0x170 [ 776.527195][ T10] do_syscall_64+0xc6/0x1e0 [ 776.527195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.527195][ T10] [ 776.529024][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 776.529024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 776.529024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 776.529024][ T10] ipv6_find_idev+0x102/0x170 [ 776.529024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 776.529024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 776.529024][ T10] netlink_rcv_skb+0x130/0x360 [ 776.529024][ T10] netlink_unicast+0x449/0x710 [ 776.529024][ T10] netlink_sendmsg+0x723/0xbe0 [ 776.529024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 776.529024][ T10] ___sys_sendmsg+0xee/0x170 [ 776.529024][ T10] __sys_sendmsg+0xcd/0x170 [ 776.529024][ T10] do_syscall_64+0xc6/0x1e0 [ 776.529024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 776.529024][ T10] [ 786.672151][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 786.672536][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 786.672536][ T10] netdev_get_by_index+0x5e/0x80 [ 786.672536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.672536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.672536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.672536][ T10] ipv6_add_addr+0x411/0x2000 [ 786.672536][ T10] inet6_addr_add+0x30e/0xa40 [ 786.672536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.672536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.672536][ T10] netlink_rcv_skb+0x130/0x360 [ 786.672536][ T10] netlink_unicast+0x449/0x710 [ 786.672536][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.672536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.672536][ T10] ___sys_sendmsg+0xee/0x170 [ 786.672536][ T10] __sys_sendmsg+0xcd/0x170 [ 786.672536][ T10] do_syscall_64+0xc6/0x1e0 [ 786.672536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.672536][ T10] [ 786.674865][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 786.674865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.674865][ T10] ipv6_find_idev+0x102/0x170 [ 786.674865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.674865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.674865][ T10] netlink_rcv_skb+0x130/0x360 [ 786.674865][ T10] netlink_unicast+0x449/0x710 [ 786.674865][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.674865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.674865][ T10] ___sys_sendmsg+0xee/0x170 [ 786.674865][ T10] __sys_sendmsg+0xcd/0x170 [ 786.674865][ T10] do_syscall_64+0xc6/0x1e0 [ 786.674865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.674865][ T10] [ 786.676620][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 786.676620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.676620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.676620][ T10] ipv6_find_idev+0x102/0x170 [ 786.676620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.676620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.676620][ T10] netlink_rcv_skb+0x130/0x360 [ 786.676620][ T10] netlink_unicast+0x449/0x710 [ 786.676620][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.676620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.676620][ T10] ___sys_sendmsg+0xee/0x170 [ 786.676620][ T10] __sys_sendmsg+0xcd/0x170 [ 786.676620][ T10] do_syscall_64+0xc6/0x1e0 [ 786.676620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.676620][ T10] [ 786.678708][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 786.679012][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 786.679012][ T10] netdev_get_by_index+0x5e/0x80 [ 786.679012][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.679012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.679012][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.679012][ T10] ipv6_add_addr+0x411/0x2000 [ 786.679012][ T10] inet6_addr_add+0x30e/0xa40 [ 786.679012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.679012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.679012][ T10] netlink_rcv_skb+0x130/0x360 [ 786.679012][ T10] netlink_unicast+0x449/0x710 [ 786.679012][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.679012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.679012][ T10] ___sys_sendmsg+0xee/0x170 [ 786.679012][ T10] __sys_sendmsg+0xcd/0x170 [ 786.679012][ T10] do_syscall_64+0xc6/0x1e0 [ 786.679012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.679012][ T10] [ 786.681279][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 786.681279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.681279][ T10] ipv6_find_idev+0x102/0x170 [ 786.681279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.681279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.681279][ T10] netlink_rcv_skb+0x130/0x360 [ 786.681279][ T10] netlink_unicast+0x449/0x710 [ 786.681279][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.681279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.681279][ T10] ___sys_sendmsg+0xee/0x170 [ 786.681279][ T10] __sys_sendmsg+0xcd/0x170 [ 786.681279][ T10] do_syscall_64+0xc6/0x1e0 [ 786.681279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.681279][ T10] [ 786.683074][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 786.683074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.683074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.683074][ T10] ipv6_find_idev+0x102/0x170 [ 786.683074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.683074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.683074][ T10] netlink_rcv_skb+0x130/0x360 [ 786.683074][ T10] netlink_unicast+0x449/0x710 [ 786.683074][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.683074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.683074][ T10] ___sys_sendmsg+0xee/0x170 [ 786.683074][ T10] __sys_sendmsg+0xcd/0x170 [ 786.683074][ T10] do_syscall_64+0xc6/0x1e0 [ 786.683074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.683074][ T10] [ 786.685143][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 786.685576][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 786.685576][ T10] netdev_get_by_index+0x5e/0x80 [ 786.685576][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.685576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.685576][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.685576][ T10] ipv6_add_addr+0x411/0x2000 [ 786.685576][ T10] inet6_addr_add+0x30e/0xa40 [ 786.685576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.685576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.685576][ T10] netlink_rcv_skb+0x130/0x360 [ 786.685576][ T10] netlink_unicast+0x449/0x710 [ 786.685576][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.685576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.685576][ T10] ___sys_sendmsg+0xee/0x170 [ 786.685576][ T10] __sys_sendmsg+0xcd/0x170 [ 786.685576][ T10] do_syscall_64+0xc6/0x1e0 [ 786.685576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.685576][ T10] [ 786.687881][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 786.687881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.687881][ T10] ipv6_find_idev+0x102/0x170 [ 786.687881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.687881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.687881][ T10] netlink_rcv_skb+0x130/0x360 [ 786.687881][ T10] netlink_unicast+0x449/0x710 [ 786.687881][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.687881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.687881][ T10] ___sys_sendmsg+0xee/0x170 [ 786.687881][ T10] __sys_sendmsg+0xcd/0x170 [ 786.687881][ T10] do_syscall_64+0xc6/0x1e0 [ 786.687881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.687881][ T10] [ 786.689602][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 786.689602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.689602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.689602][ T10] ipv6_find_idev+0x102/0x170 [ 786.689602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.689602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.689602][ T10] netlink_rcv_skb+0x130/0x360 [ 786.689602][ T10] netlink_unicast+0x449/0x710 [ 786.689602][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.689602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.689602][ T10] ___sys_sendmsg+0xee/0x170 [ 786.689602][ T10] __sys_sendmsg+0xcd/0x170 [ 786.689602][ T10] do_syscall_64+0xc6/0x1e0 [ 786.689602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.689602][ T10] [ 786.691723][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 786.692025][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 786.692025][ T10] netdev_get_by_index+0x5e/0x80 [ 786.692025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.692025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.692025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.692025][ T10] ipv6_add_addr+0x411/0x2000 [ 786.692025][ T10] inet6_addr_add+0x30e/0xa40 [ 786.692025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.692025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.692025][ T10] netlink_rcv_skb+0x130/0x360 [ 786.692025][ T10] netlink_unicast+0x449/0x710 [ 786.692025][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.692025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.692025][ T10] ___sys_sendmsg+0xee/0x170 [ 786.692025][ T10] __sys_sendmsg+0xcd/0x170 [ 786.692025][ T10] do_syscall_64+0xc6/0x1e0 [ 786.692025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.692025][ T10] [ 786.694440][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 786.694440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.694440][ T10] ipv6_find_idev+0x102/0x170 [ 786.694440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.694440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.694440][ T10] netlink_rcv_skb+0x130/0x360 [ 786.694440][ T10] netlink_unicast+0x449/0x710 [ 786.694440][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.694440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.694440][ T10] ___sys_sendmsg+0xee/0x170 [ 786.694440][ T10] __sys_sendmsg+0xcd/0x170 [ 786.694440][ T10] do_syscall_64+0xc6/0x1e0 [ 786.694440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.694440][ T10] [ 786.696154][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 786.696154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.696154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.696154][ T10] ipv6_find_idev+0x102/0x170 [ 786.696154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.696154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.696154][ T10] netlink_rcv_skb+0x130/0x360 [ 786.696154][ T10] netlink_unicast+0x449/0x710 [ 786.696154][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.696154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.696154][ T10] ___sys_sendmsg+0xee/0x170 [ 786.696154][ T10] __sys_sendmsg+0xcd/0x170 [ 786.696154][ T10] do_syscall_64+0xc6/0x1e0 [ 786.696154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.696154][ T10] [ 786.698265][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 786.698660][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 786.698660][ T10] netdev_get_by_index+0x5e/0x80 [ 786.698660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.698660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.698660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.698660][ T10] ipv6_add_addr+0x411/0x2000 [ 786.698660][ T10] inet6_addr_add+0x30e/0xa40 [ 786.698660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.698660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.698660][ T10] netlink_rcv_skb+0x130/0x360 [ 786.698660][ T10] netlink_unicast+0x449/0x710 [ 786.698660][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.698660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.698660][ T10] ___sys_sendmsg+0xee/0x170 [ 786.698660][ T10] __sys_sendmsg+0xcd/0x170 [ 786.698660][ T10] do_syscall_64+0xc6/0x1e0 [ 786.698660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.698660][ T10] [ 786.701268][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 786.701268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.701268][ T10] ipv6_find_idev+0x102/0x170 [ 786.701268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.701268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.701268][ T10] netlink_rcv_skb+0x130/0x360 [ 786.701268][ T10] netlink_unicast+0x449/0x710 [ 786.701268][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.701268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.701268][ T10] ___sys_sendmsg+0xee/0x170 [ 786.701268][ T10] __sys_sendmsg+0xcd/0x170 [ 786.701268][ T10] do_syscall_64+0xc6/0x1e0 [ 786.701268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.701268][ T10] [ 786.703296][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 786.703296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.703296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.703296][ T10] ipv6_find_idev+0x102/0x170 [ 786.703296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.703296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.703296][ T10] netlink_rcv_skb+0x130/0x360 [ 786.703296][ T10] netlink_unicast+0x449/0x710 [ 786.703296][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.703296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.703296][ T10] ___sys_sendmsg+0xee/0x170 [ 786.703296][ T10] __sys_sendmsg+0xcd/0x170 [ 786.703296][ T10] do_syscall_64+0xc6/0x1e0 [ 786.703296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.703296][ T10] [ 786.705638][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 786.706020][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 786.706020][ T10] netdev_get_by_index+0x5e/0x80 [ 786.706020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.706020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.706020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.706020][ T10] ipv6_add_addr+0x411/0x2000 [ 786.706020][ T10] inet6_addr_add+0x30e/0xa40 [ 786.706020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.706020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.706020][ T10] netlink_rcv_skb+0x130/0x360 [ 786.706020][ T10] netlink_unicast+0x449/0x710 [ 786.706020][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.706020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.706020][ T10] ___sys_sendmsg+0xee/0x170 [ 786.706020][ T10] __sys_sendmsg+0xcd/0x170 [ 786.706020][ T10] do_syscall_64+0xc6/0x1e0 [ 786.706020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.706020][ T10] [ 786.708576][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 786.708576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.708576][ T10] ipv6_find_idev+0x102/0x170 [ 786.708576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.708576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.708576][ T10] netlink_rcv_skb+0x130/0x360 [ 786.708576][ T10] netlink_unicast+0x449/0x710 [ 786.708576][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.708576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.708576][ T10] ___sys_sendmsg+0xee/0x170 [ 786.708576][ T10] __sys_sendmsg+0xcd/0x170 [ 786.708576][ T10] do_syscall_64+0xc6/0x1e0 [ 786.708576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.708576][ T10] [ 786.710534][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 786.710534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.710534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.710534][ T10] ipv6_find_idev+0x102/0x170 [ 786.710534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.710534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.710534][ T10] netlink_rcv_skb+0x130/0x360 [ 786.710534][ T10] netlink_unicast+0x449/0x710 [ 786.710534][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.710534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.710534][ T10] ___sys_sendmsg+0xee/0x170 [ 786.710534][ T10] __sys_sendmsg+0xcd/0x170 [ 786.710534][ T10] do_syscall_64+0xc6/0x1e0 [ 786.710534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.710534][ T10] [ 786.712937][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 786.713364][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 786.713364][ T10] netdev_get_by_index+0x5e/0x80 [ 786.713364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.713364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.713364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.713364][ T10] ipv6_add_addr+0x411/0x2000 [ 786.713364][ T10] inet6_addr_add+0x30e/0xa40 [ 786.713364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.713364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.713364][ T10] netlink_rcv_skb+0x130/0x360 [ 786.713364][ T10] netlink_unicast+0x449/0x710 [ 786.713364][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.713364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.713364][ T10] ___sys_sendmsg+0xee/0x170 [ 786.713364][ T10] __sys_sendmsg+0xcd/0x170 [ 786.713364][ T10] do_syscall_64+0xc6/0x1e0 [ 786.713364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.713364][ T10] [ 786.715920][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 786.715920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.715920][ T10] ipv6_find_idev+0x102/0x170 [ 786.715920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.715920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.715920][ T10] netlink_rcv_skb+0x130/0x360 [ 786.715920][ T10] netlink_unicast+0x449/0x710 [ 786.715920][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.715920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.715920][ T10] ___sys_sendmsg+0xee/0x170 [ 786.715920][ T10] __sys_sendmsg+0xcd/0x170 [ 786.715920][ T10] do_syscall_64+0xc6/0x1e0 [ 786.715920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.715920][ T10] [ 786.717893][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 786.717893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.717893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.717893][ T10] ipv6_find_idev+0x102/0x170 [ 786.717893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.717893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.717893][ T10] netlink_rcv_skb+0x130/0x360 [ 786.717893][ T10] netlink_unicast+0x449/0x710 [ 786.717893][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.717893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.717893][ T10] ___sys_sendmsg+0xee/0x170 [ 786.717893][ T10] __sys_sendmsg+0xcd/0x170 [ 786.717893][ T10] do_syscall_64+0xc6/0x1e0 [ 786.717893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.717893][ T10] [ 786.720428][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 786.720750][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 786.720750][ T10] netdev_get_by_index+0x5e/0x80 [ 786.720750][ T10] fib6_nh_init+0x3d8/0x15b0 [ 786.720750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 786.720750][ T10] addrconf_f6i_alloc+0x244/0x410 [ 786.720750][ T10] ipv6_add_addr+0x411/0x2000 [ 786.720750][ T10] inet6_addr_add+0x30e/0xa40 [ 786.720750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 786.720750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.720750][ T10] netlink_rcv_skb+0x130/0x360 [ 786.720750][ T10] netlink_unicast+0x449/0x710 [ 786.720750][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.720750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.720750][ T10] ___sys_sendmsg+0xee/0x170 [ 786.720750][ T10] __sys_sendmsg+0xcd/0x170 [ 786.720750][ T10] do_syscall_64+0xc6/0x1e0 [ 786.720750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.720750][ T10] [ 786.723211][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 786.723211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 786.723211][ T10] ipv6_find_idev+0x102/0x170 [ 786.723211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.723211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.723211][ T10] netlink_rcv_skb+0x130/0x360 [ 786.723211][ T10] netlink_unicast+0x449/0x710 [ 786.723211][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.723211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.723211][ T10] ___sys_sendmsg+0xee/0x170 [ 786.723211][ T10] __sys_sendmsg+0xcd/0x170 [ 786.723211][ T10] do_syscall_64+0xc6/0x1e0 [ 786.723211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.723211][ T10] [ 786.725035][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 786.725035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 786.725035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 786.725035][ T10] ipv6_find_idev+0x102/0x170 [ 786.725035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 786.725035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 786.725035][ T10] netlink_rcv_skb+0x130/0x360 [ 786.725035][ T10] netlink_unicast+0x449/0x710 [ 786.725035][ T10] netlink_sendmsg+0x723/0xbe0 [ 786.725035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 786.725035][ T10] ___sys_sendmsg+0xee/0x170 [ 786.725035][ T10] __sys_sendmsg+0xcd/0x170 [ 786.725035][ T10] do_syscall_64+0xc6/0x1e0 [ 786.725035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 786.725035][ T10]