[ 532.856208][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 532.856553][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 532.856553][ T10] netdev_get_by_index+0x5e/0x80 [ 532.856553][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.856553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.856553][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.856553][ T10] ipv6_add_addr+0x411/0x2000 [ 532.856553][ T10] inet6_addr_add+0x30e/0xa40 [ 532.856553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.856553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.856553][ T10] netlink_rcv_skb+0x130/0x360 [ 532.856553][ T10] netlink_unicast+0x449/0x710 [ 532.856553][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.856553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.856553][ T10] ___sys_sendmsg+0xee/0x170 [ 532.856553][ T10] __sys_sendmsg+0xcd/0x170 [ 532.856553][ T10] do_syscall_64+0xc6/0x1e0 [ 532.856553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.856553][ T10] [ 532.858815][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 532.858815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.858815][ T10] ipv6_find_idev+0x102/0x170 [ 532.858815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.858815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.858815][ T10] netlink_rcv_skb+0x130/0x360 [ 532.858815][ T10] netlink_unicast+0x449/0x710 [ 532.858815][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.858815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.858815][ T10] ___sys_sendmsg+0xee/0x170 [ 532.858815][ T10] __sys_sendmsg+0xcd/0x170 [ 532.858815][ T10] do_syscall_64+0xc6/0x1e0 [ 532.858815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.858815][ T10] [ 532.860309][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 532.860309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.860309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.860309][ T10] ipv6_find_idev+0x102/0x170 [ 532.860309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.860309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.860309][ T10] netlink_rcv_skb+0x130/0x360 [ 532.860309][ T10] netlink_unicast+0x449/0x710 [ 532.860309][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.860309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.860309][ T10] ___sys_sendmsg+0xee/0x170 [ 532.860309][ T10] __sys_sendmsg+0xcd/0x170 [ 532.860309][ T10] do_syscall_64+0xc6/0x1e0 [ 532.860309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.860309][ T10] [ 532.862363][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 532.862886][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 532.862886][ T10] netdev_get_by_index+0x5e/0x80 [ 532.862886][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.862886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.862886][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.862886][ T10] ipv6_add_addr+0x411/0x2000 [ 532.862886][ T10] inet6_addr_add+0x30e/0xa40 [ 532.862886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.862886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.862886][ T10] netlink_rcv_skb+0x130/0x360 [ 532.862886][ T10] netlink_unicast+0x449/0x710 [ 532.862886][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.862886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.862886][ T10] ___sys_sendmsg+0xee/0x170 [ 532.862886][ T10] __sys_sendmsg+0xcd/0x170 [ 532.862886][ T10] do_syscall_64+0xc6/0x1e0 [ 532.862886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.862886][ T10] [ 532.864982][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 532.864982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.864982][ T10] ipv6_find_idev+0x102/0x170 [ 532.864982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.864982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.864982][ T10] netlink_rcv_skb+0x130/0x360 [ 532.864982][ T10] netlink_unicast+0x449/0x710 [ 532.864982][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.864982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.864982][ T10] ___sys_sendmsg+0xee/0x170 [ 532.864982][ T10] __sys_sendmsg+0xcd/0x170 [ 532.864982][ T10] do_syscall_64+0xc6/0x1e0 [ 532.864982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.864982][ T10] [ 532.866467][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 532.866467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.866467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.866467][ T10] ipv6_find_idev+0x102/0x170 [ 532.866467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.866467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.866467][ T10] netlink_rcv_skb+0x130/0x360 [ 532.866467][ T10] netlink_unicast+0x449/0x710 [ 532.866467][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.866467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.866467][ T10] ___sys_sendmsg+0xee/0x170 [ 532.866467][ T10] __sys_sendmsg+0xcd/0x170 [ 532.866467][ T10] do_syscall_64+0xc6/0x1e0 [ 532.866467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.866467][ T10] [ 532.868212][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 532.868594][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 532.868594][ T10] netdev_get_by_index+0x5e/0x80 [ 532.868594][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.868594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.868594][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.868594][ T10] ipv6_add_addr+0x411/0x2000 [ 532.868594][ T10] inet6_addr_add+0x30e/0xa40 [ 532.868594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.868594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.868594][ T10] netlink_rcv_skb+0x130/0x360 [ 532.868594][ T10] netlink_unicast+0x449/0x710 [ 532.868594][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.868594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.868594][ T10] ___sys_sendmsg+0xee/0x170 [ 532.868594][ T10] __sys_sendmsg+0xcd/0x170 [ 532.868594][ T10] do_syscall_64+0xc6/0x1e0 [ 532.868594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.868594][ T10] [ 532.870700][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 532.870700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.870700][ T10] ipv6_find_idev+0x102/0x170 [ 532.870700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.870700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.870700][ T10] netlink_rcv_skb+0x130/0x360 [ 532.870700][ T10] netlink_unicast+0x449/0x710 [ 532.870700][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.870700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.870700][ T10] ___sys_sendmsg+0xee/0x170 [ 532.870700][ T10] __sys_sendmsg+0xcd/0x170 [ 532.870700][ T10] do_syscall_64+0xc6/0x1e0 [ 532.870700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.870700][ T10] [ 532.872487][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 532.872487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.872487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.872487][ T10] ipv6_find_idev+0x102/0x170 [ 532.872487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.872487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.872487][ T10] netlink_rcv_skb+0x130/0x360 [ 532.872487][ T10] netlink_unicast+0x449/0x710 [ 532.872487][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.872487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.872487][ T10] ___sys_sendmsg+0xee/0x170 [ 532.872487][ T10] __sys_sendmsg+0xcd/0x170 [ 532.872487][ T10] do_syscall_64+0xc6/0x1e0 [ 532.872487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.872487][ T10] [ 532.874493][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 532.874873][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 532.874873][ T10] netdev_get_by_index+0x5e/0x80 [ 532.874873][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.874873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.874873][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.874873][ T10] ipv6_add_addr+0x411/0x2000 [ 532.874873][ T10] inet6_addr_add+0x30e/0xa40 [ 532.874873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.874873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.874873][ T10] netlink_rcv_skb+0x130/0x360 [ 532.874873][ T10] netlink_unicast+0x449/0x710 [ 532.874873][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.874873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.874873][ T10] ___sys_sendmsg+0xee/0x170 [ 532.874873][ T10] __sys_sendmsg+0xcd/0x170 [ 532.874873][ T10] do_syscall_64+0xc6/0x1e0 [ 532.874873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.874873][ T10] [ 532.877050][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 532.877050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.877050][ T10] ipv6_find_idev+0x102/0x170 [ 532.877050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.877050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.877050][ T10] netlink_rcv_skb+0x130/0x360 [ 532.877050][ T10] netlink_unicast+0x449/0x710 [ 532.877050][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.877050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.877050][ T10] ___sys_sendmsg+0xee/0x170 [ 532.877050][ T10] __sys_sendmsg+0xcd/0x170 [ 532.877050][ T10] do_syscall_64+0xc6/0x1e0 [ 532.877050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.877050][ T10] [ 532.878717][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 532.878717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.878717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.878717][ T10] ipv6_find_idev+0x102/0x170 [ 532.878717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.878717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.878717][ T10] netlink_rcv_skb+0x130/0x360 [ 532.878717][ T10] netlink_unicast+0x449/0x710 [ 532.878717][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.878717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.878717][ T10] ___sys_sendmsg+0xee/0x170 [ 532.878717][ T10] __sys_sendmsg+0xcd/0x170 [ 532.878717][ T10] do_syscall_64+0xc6/0x1e0 [ 532.878717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.878717][ T10] [ 532.880552][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 532.881478][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 532.881478][ T10] netdev_get_by_index+0x5e/0x80 [ 532.881478][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.881478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.881478][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.881478][ T10] ipv6_add_addr+0x411/0x2000 [ 532.881478][ T10] inet6_addr_add+0x30e/0xa40 [ 532.881478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.881478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.881478][ T10] netlink_rcv_skb+0x130/0x360 [ 532.881478][ T10] netlink_unicast+0x449/0x710 [ 532.881478][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.881478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.881478][ T10] ___sys_sendmsg+0xee/0x170 [ 532.881478][ T10] __sys_sendmsg+0xcd/0x170 [ 532.881478][ T10] do_syscall_64+0xc6/0x1e0 [ 532.881478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.881478][ T10] [ 532.883568][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 532.883568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.883568][ T10] ipv6_find_idev+0x102/0x170 [ 532.883568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.883568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.883568][ T10] netlink_rcv_skb+0x130/0x360 [ 532.883568][ T10] netlink_unicast+0x449/0x710 [ 532.883568][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.883568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.883568][ T10] ___sys_sendmsg+0xee/0x170 [ 532.883568][ T10] __sys_sendmsg+0xcd/0x170 [ 532.883568][ T10] do_syscall_64+0xc6/0x1e0 [ 532.883568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.883568][ T10] [ 532.885276][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 532.885276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.885276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.885276][ T10] ipv6_find_idev+0x102/0x170 [ 532.885276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.885276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.885276][ T10] netlink_rcv_skb+0x130/0x360 [ 532.885276][ T10] netlink_unicast+0x449/0x710 [ 532.885276][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.885276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.885276][ T10] ___sys_sendmsg+0xee/0x170 [ 532.885276][ T10] __sys_sendmsg+0xcd/0x170 [ 532.885276][ T10] do_syscall_64+0xc6/0x1e0 [ 532.885276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.885276][ T10] [ 532.887344][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 532.887745][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 532.887745][ T10] netdev_get_by_index+0x5e/0x80 [ 532.887745][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.887745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.887745][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.887745][ T10] ipv6_add_addr+0x411/0x2000 [ 532.887745][ T10] inet6_addr_add+0x30e/0xa40 [ 532.887745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.887745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.887745][ T10] netlink_rcv_skb+0x130/0x360 [ 532.887745][ T10] netlink_unicast+0x449/0x710 [ 532.887745][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.887745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.887745][ T10] ___sys_sendmsg+0xee/0x170 [ 532.887745][ T10] __sys_sendmsg+0xcd/0x170 [ 532.887745][ T10] do_syscall_64+0xc6/0x1e0 [ 532.887745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.887745][ T10] [ 532.889783][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 532.889783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.889783][ T10] ipv6_find_idev+0x102/0x170 [ 532.889783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.889783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.889783][ T10] netlink_rcv_skb+0x130/0x360 [ 532.889783][ T10] netlink_unicast+0x449/0x710 [ 532.889783][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.889783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.889783][ T10] ___sys_sendmsg+0xee/0x170 [ 532.889783][ T10] __sys_sendmsg+0xcd/0x170 [ 532.889783][ T10] do_syscall_64+0xc6/0x1e0 [ 532.889783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.889783][ T10] [ 532.891449][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 532.891449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.891449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.891449][ T10] ipv6_find_idev+0x102/0x170 [ 532.891449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.891449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.891449][ T10] netlink_rcv_skb+0x130/0x360 [ 532.891449][ T10] netlink_unicast+0x449/0x710 [ 532.891449][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.891449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.891449][ T10] ___sys_sendmsg+0xee/0x170 [ 532.891449][ T10] __sys_sendmsg+0xcd/0x170 [ 532.891449][ T10] do_syscall_64+0xc6/0x1e0 [ 532.891449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.891449][ T10] [ 532.893551][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 532.893932][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 532.893932][ T10] netdev_get_by_index+0x5e/0x80 [ 532.893932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.893932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.893932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.893932][ T10] ipv6_add_addr+0x411/0x2000 [ 532.893932][ T10] inet6_addr_add+0x30e/0xa40 [ 532.893932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.893932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.893932][ T10] netlink_rcv_skb+0x130/0x360 [ 532.893932][ T10] netlink_unicast+0x449/0x710 [ 532.893932][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.893932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.893932][ T10] ___sys_sendmsg+0xee/0x170 [ 532.893932][ T10] __sys_sendmsg+0xcd/0x170 [ 532.893932][ T10] do_syscall_64+0xc6/0x1e0 [ 532.893932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.893932][ T10] [ 532.896064][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 532.896064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.896064][ T10] ipv6_find_idev+0x102/0x170 [ 532.896064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.896064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.896064][ T10] netlink_rcv_skb+0x130/0x360 [ 532.896064][ T10] netlink_unicast+0x449/0x710 [ 532.896064][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.896064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.896064][ T10] ___sys_sendmsg+0xee/0x170 [ 532.896064][ T10] __sys_sendmsg+0xcd/0x170 [ 532.896064][ T10] do_syscall_64+0xc6/0x1e0 [ 532.896064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.896064][ T10] [ 532.897747][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 532.897747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.897747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.897747][ T10] ipv6_find_idev+0x102/0x170 [ 532.897747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.897747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.897747][ T10] netlink_rcv_skb+0x130/0x360 [ 532.897747][ T10] netlink_unicast+0x449/0x710 [ 532.897747][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.897747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.897747][ T10] ___sys_sendmsg+0xee/0x170 [ 532.897747][ T10] __sys_sendmsg+0xcd/0x170 [ 532.897747][ T10] do_syscall_64+0xc6/0x1e0 [ 532.897747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.897747][ T10] [ 532.899742][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 532.900269][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 532.900269][ T10] netdev_get_by_index+0x5e/0x80 [ 532.900269][ T10] fib6_nh_init+0x3d8/0x15b0 [ 532.900269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 532.900269][ T10] addrconf_f6i_alloc+0x244/0x410 [ 532.900269][ T10] ipv6_add_addr+0x411/0x2000 [ 532.900269][ T10] inet6_addr_add+0x30e/0xa40 [ 532.900269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 532.900269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.900269][ T10] netlink_rcv_skb+0x130/0x360 [ 532.900269][ T10] netlink_unicast+0x449/0x710 [ 532.900269][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.900269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.900269][ T10] ___sys_sendmsg+0xee/0x170 [ 532.900269][ T10] __sys_sendmsg+0xcd/0x170 [ 532.900269][ T10] do_syscall_64+0xc6/0x1e0 [ 532.900269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.900269][ T10] [ 532.902606][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 532.902606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 532.902606][ T10] ipv6_find_idev+0x102/0x170 [ 532.902606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.902606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.902606][ T10] netlink_rcv_skb+0x130/0x360 [ 532.902606][ T10] netlink_unicast+0x449/0x710 [ 532.902606][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.902606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.902606][ T10] ___sys_sendmsg+0xee/0x170 [ 532.902606][ T10] __sys_sendmsg+0xcd/0x170 [ 532.902606][ T10] do_syscall_64+0xc6/0x1e0 [ 532.902606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.902606][ T10] [ 532.904432][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 532.904432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 532.904432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 532.904432][ T10] ipv6_find_idev+0x102/0x170 [ 532.904432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.904432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.904432][ T10] netlink_rcv_skb+0x130/0x360 [ 532.904432][ T10] netlink_unicast+0x449/0x710 [ 532.904432][ T10] netlink_sendmsg+0x723/0xbe0 [ 532.904432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 532.904432][ T10] ___sys_sendmsg+0xee/0x170 [ 532.904432][ T10] __sys_sendmsg+0xcd/0x170 [ 532.904432][ T10] do_syscall_64+0xc6/0x1e0 [ 532.904432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.904432][ T10] [ 536.116733][ T1126] netem: version 1.3 [ 543.072271][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 543.073119][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 543.073119][ T10] netdev_get_by_index+0x5e/0x80 [ 543.073119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.073119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.073119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.073119][ T10] ipv6_add_addr+0x411/0x2000 [ 543.073119][ T10] inet6_addr_add+0x30e/0xa40 [ 543.073119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.073119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.073119][ T10] netlink_rcv_skb+0x130/0x360 [ 543.073119][ T10] netlink_unicast+0x449/0x710 [ 543.073119][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.073119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.073119][ T10] ___sys_sendmsg+0xee/0x170 [ 543.073119][ T10] __sys_sendmsg+0xcd/0x170 [ 543.073119][ T10] do_syscall_64+0xc6/0x1e0 [ 543.073119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.073119][ T10] [ 543.075149][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 543.075149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.075149][ T10] ipv6_find_idev+0x102/0x170 [ 543.075149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.075149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.075149][ T10] netlink_rcv_skb+0x130/0x360 [ 543.075149][ T10] netlink_unicast+0x449/0x710 [ 543.075149][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.075149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.075149][ T10] ___sys_sendmsg+0xee/0x170 [ 543.075149][ T10] __sys_sendmsg+0xcd/0x170 [ 543.075149][ T10] do_syscall_64+0xc6/0x1e0 [ 543.075149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.075149][ T10] [ 543.076691][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 543.076691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.076691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.076691][ T10] ipv6_find_idev+0x102/0x170 [ 543.076691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.076691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.076691][ T10] netlink_rcv_skb+0x130/0x360 [ 543.076691][ T10] netlink_unicast+0x449/0x710 [ 543.076691][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.076691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.076691][ T10] ___sys_sendmsg+0xee/0x170 [ 543.076691][ T10] __sys_sendmsg+0xcd/0x170 [ 543.076691][ T10] do_syscall_64+0xc6/0x1e0 [ 543.076691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.076691][ T10] [ 543.078391][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 543.078651][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 543.078651][ T10] netdev_get_by_index+0x5e/0x80 [ 543.078651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.078651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.078651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.078651][ T10] ipv6_add_addr+0x411/0x2000 [ 543.078651][ T10] inet6_addr_add+0x30e/0xa40 [ 543.078651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.078651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.078651][ T10] netlink_rcv_skb+0x130/0x360 [ 543.078651][ T10] netlink_unicast+0x449/0x710 [ 543.078651][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.078651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.078651][ T10] ___sys_sendmsg+0xee/0x170 [ 543.078651][ T10] __sys_sendmsg+0xcd/0x170 [ 543.078651][ T10] do_syscall_64+0xc6/0x1e0 [ 543.078651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.078651][ T10] [ 543.080602][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 543.080602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.080602][ T10] ipv6_find_idev+0x102/0x170 [ 543.080602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.080602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.080602][ T10] netlink_rcv_skb+0x130/0x360 [ 543.080602][ T10] netlink_unicast+0x449/0x710 [ 543.080602][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.080602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.080602][ T10] ___sys_sendmsg+0xee/0x170 [ 543.080602][ T10] __sys_sendmsg+0xcd/0x170 [ 543.080602][ T10] do_syscall_64+0xc6/0x1e0 [ 543.080602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.080602][ T10] [ 543.082128][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 543.082128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.082128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.082128][ T10] ipv6_find_idev+0x102/0x170 [ 543.082128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.082128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.082128][ T10] netlink_rcv_skb+0x130/0x360 [ 543.082128][ T10] netlink_unicast+0x449/0x710 [ 543.082128][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.082128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.082128][ T10] ___sys_sendmsg+0xee/0x170 [ 543.082128][ T10] __sys_sendmsg+0xcd/0x170 [ 543.082128][ T10] do_syscall_64+0xc6/0x1e0 [ 543.082128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.082128][ T10] [ 543.083777][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 543.084038][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 543.084038][ T10] netdev_get_by_index+0x5e/0x80 [ 543.084038][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.084038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.084038][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.084038][ T10] ipv6_add_addr+0x411/0x2000 [ 543.084038][ T10] inet6_addr_add+0x30e/0xa40 [ 543.084038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.084038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.084038][ T10] netlink_rcv_skb+0x130/0x360 [ 543.084038][ T10] netlink_unicast+0x449/0x710 [ 543.084038][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.084038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.084038][ T10] ___sys_sendmsg+0xee/0x170 [ 543.084038][ T10] __sys_sendmsg+0xcd/0x170 [ 543.084038][ T10] do_syscall_64+0xc6/0x1e0 [ 543.084038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.084038][ T10] [ 543.086026][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 543.086026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.086026][ T10] ipv6_find_idev+0x102/0x170 [ 543.086026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.086026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.086026][ T10] netlink_rcv_skb+0x130/0x360 [ 543.086026][ T10] netlink_unicast+0x449/0x710 [ 543.086026][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.086026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.086026][ T10] ___sys_sendmsg+0xee/0x170 [ 543.086026][ T10] __sys_sendmsg+0xcd/0x170 [ 543.086026][ T10] do_syscall_64+0xc6/0x1e0 [ 543.086026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.086026][ T10] [ 543.087530][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 543.087530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.087530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.087530][ T10] ipv6_find_idev+0x102/0x170 [ 543.087530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.087530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.087530][ T10] netlink_rcv_skb+0x130/0x360 [ 543.087530][ T10] netlink_unicast+0x449/0x710 [ 543.087530][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.087530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.087530][ T10] ___sys_sendmsg+0xee/0x170 [ 543.087530][ T10] __sys_sendmsg+0xcd/0x170 [ 543.087530][ T10] do_syscall_64+0xc6/0x1e0 [ 543.087530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.087530][ T10] [ 543.089124][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 543.089377][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 543.089377][ T10] netdev_get_by_index+0x5e/0x80 [ 543.089377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.089377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.089377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.089377][ T10] ipv6_add_addr+0x411/0x2000 [ 543.089377][ T10] inet6_addr_add+0x30e/0xa40 [ 543.089377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.089377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.089377][ T10] netlink_rcv_skb+0x130/0x360 [ 543.089377][ T10] netlink_unicast+0x449/0x710 [ 543.089377][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.089377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.089377][ T10] ___sys_sendmsg+0xee/0x170 [ 543.089377][ T10] __sys_sendmsg+0xcd/0x170 [ 543.089377][ T10] do_syscall_64+0xc6/0x1e0 [ 543.089377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.089377][ T10] [ 543.091313][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 543.091313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.091313][ T10] ipv6_find_idev+0x102/0x170 [ 543.091313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.091313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.091313][ T10] netlink_rcv_skb+0x130/0x360 [ 543.091313][ T10] netlink_unicast+0x449/0x710 [ 543.091313][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.091313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.091313][ T10] ___sys_sendmsg+0xee/0x170 [ 543.091313][ T10] __sys_sendmsg+0xcd/0x170 [ 543.091313][ T10] do_syscall_64+0xc6/0x1e0 [ 543.091313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.091313][ T10] [ 543.092833][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 543.092833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.092833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.092833][ T10] ipv6_find_idev+0x102/0x170 [ 543.092833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.092833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.092833][ T10] netlink_rcv_skb+0x130/0x360 [ 543.092833][ T10] netlink_unicast+0x449/0x710 [ 543.092833][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.092833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.092833][ T10] ___sys_sendmsg+0xee/0x170 [ 543.092833][ T10] __sys_sendmsg+0xcd/0x170 [ 543.092833][ T10] do_syscall_64+0xc6/0x1e0 [ 543.092833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.092833][ T10] [ 543.094473][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 543.094742][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 543.094742][ T10] netdev_get_by_index+0x5e/0x80 [ 543.094742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.094742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.094742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.094742][ T10] ipv6_add_addr+0x411/0x2000 [ 543.094742][ T10] inet6_addr_add+0x30e/0xa40 [ 543.094742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.094742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.094742][ T10] netlink_rcv_skb+0x130/0x360 [ 543.094742][ T10] netlink_unicast+0x449/0x710 [ 543.094742][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.094742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.094742][ T10] ___sys_sendmsg+0xee/0x170 [ 543.094742][ T10] __sys_sendmsg+0xcd/0x170 [ 543.094742][ T10] do_syscall_64+0xc6/0x1e0 [ 543.094742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.094742][ T10] [ 543.096701][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 543.096701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.096701][ T10] ipv6_find_idev+0x102/0x170 [ 543.096701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.096701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.096701][ T10] netlink_rcv_skb+0x130/0x360 [ 543.096701][ T10] netlink_unicast+0x449/0x710 [ 543.096701][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.096701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.096701][ T10] ___sys_sendmsg+0xee/0x170 [ 543.096701][ T10] __sys_sendmsg+0xcd/0x170 [ 543.096701][ T10] do_syscall_64+0xc6/0x1e0 [ 543.096701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.096701][ T10] [ 543.098271][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 543.098271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.098271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.098271][ T10] ipv6_find_idev+0x102/0x170 [ 543.098271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.098271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.098271][ T10] netlink_rcv_skb+0x130/0x360 [ 543.098271][ T10] netlink_unicast+0x449/0x710 [ 543.098271][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.098271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.098271][ T10] ___sys_sendmsg+0xee/0x170 [ 543.098271][ T10] __sys_sendmsg+0xcd/0x170 [ 543.098271][ T10] do_syscall_64+0xc6/0x1e0 [ 543.098271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.098271][ T10] [ 543.100657][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 543.100916][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 543.100916][ T10] netdev_get_by_index+0x5e/0x80 [ 543.100916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.100916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.100916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.100916][ T10] ipv6_add_addr+0x411/0x2000 [ 543.100916][ T10] inet6_addr_add+0x30e/0xa40 [ 543.100916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.100916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.100916][ T10] netlink_rcv_skb+0x130/0x360 [ 543.100916][ T10] netlink_unicast+0x449/0x710 [ 543.100916][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.100916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.100916][ T10] ___sys_sendmsg+0xee/0x170 [ 543.100916][ T10] __sys_sendmsg+0xcd/0x170 [ 543.100916][ T10] do_syscall_64+0xc6/0x1e0 [ 543.100916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.100916][ T10] [ 543.102869][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 543.102869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.102869][ T10] ipv6_find_idev+0x102/0x170 [ 543.102869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.102869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.102869][ T10] netlink_rcv_skb+0x130/0x360 [ 543.102869][ T10] netlink_unicast+0x449/0x710 [ 543.102869][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.102869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.102869][ T10] ___sys_sendmsg+0xee/0x170 [ 543.102869][ T10] __sys_sendmsg+0xcd/0x170 [ 543.102869][ T10] do_syscall_64+0xc6/0x1e0 [ 543.102869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.102869][ T10] [ 543.104380][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 543.104380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.104380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.104380][ T10] ipv6_find_idev+0x102/0x170 [ 543.104380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.104380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.104380][ T10] netlink_rcv_skb+0x130/0x360 [ 543.104380][ T10] netlink_unicast+0x449/0x710 [ 543.104380][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.104380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.104380][ T10] ___sys_sendmsg+0xee/0x170 [ 543.104380][ T10] __sys_sendmsg+0xcd/0x170 [ 543.104380][ T10] do_syscall_64+0xc6/0x1e0 [ 543.104380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.104380][ T10] [ 543.106133][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 543.106388][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 543.106388][ T10] netdev_get_by_index+0x5e/0x80 [ 543.106388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.106388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.106388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.106388][ T10] ipv6_add_addr+0x411/0x2000 [ 543.106388][ T10] inet6_addr_add+0x30e/0xa40 [ 543.106388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.106388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.106388][ T10] netlink_rcv_skb+0x130/0x360 [ 543.106388][ T10] netlink_unicast+0x449/0x710 [ 543.106388][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.106388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.106388][ T10] ___sys_sendmsg+0xee/0x170 [ 543.106388][ T10] __sys_sendmsg+0xcd/0x170 [ 543.106388][ T10] do_syscall_64+0xc6/0x1e0 [ 543.106388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.106388][ T10] [ 543.108587][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 543.108587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.108587][ T10] ipv6_find_idev+0x102/0x170 [ 543.108587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.108587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.108587][ T10] netlink_rcv_skb+0x130/0x360 [ 543.108587][ T10] netlink_unicast+0x449/0x710 [ 543.108587][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.108587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.108587][ T10] ___sys_sendmsg+0xee/0x170 [ 543.108587][ T10] __sys_sendmsg+0xcd/0x170 [ 543.108587][ T10] do_syscall_64+0xc6/0x1e0 [ 543.108587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.108587][ T10] [ 543.110249][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 543.110249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.110249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.110249][ T10] ipv6_find_idev+0x102/0x170 [ 543.110249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.110249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.110249][ T10] netlink_rcv_skb+0x130/0x360 [ 543.110249][ T10] netlink_unicast+0x449/0x710 [ 543.110249][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.110249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.110249][ T10] ___sys_sendmsg+0xee/0x170 [ 543.110249][ T10] __sys_sendmsg+0xcd/0x170 [ 543.110249][ T10] do_syscall_64+0xc6/0x1e0 [ 543.110249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.110249][ T10] [ 543.112140][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 543.112399][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 543.112399][ T10] netdev_get_by_index+0x5e/0x80 [ 543.112399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.112399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.112399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.112399][ T10] ipv6_add_addr+0x411/0x2000 [ 543.112399][ T10] inet6_addr_add+0x30e/0xa40 [ 543.112399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.112399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.112399][ T10] netlink_rcv_skb+0x130/0x360 [ 543.112399][ T10] netlink_unicast+0x449/0x710 [ 543.112399][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.112399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.112399][ T10] ___sys_sendmsg+0xee/0x170 [ 543.112399][ T10] __sys_sendmsg+0xcd/0x170 [ 543.112399][ T10] do_syscall_64+0xc6/0x1e0 [ 543.112399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.112399][ T10] [ 543.114572][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 543.114572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.114572][ T10] ipv6_find_idev+0x102/0x170 [ 543.114572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.114572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.114572][ T10] netlink_rcv_skb+0x130/0x360 [ 543.114572][ T10] netlink_unicast+0x449/0x710 [ 543.114572][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.114572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.114572][ T10] ___sys_sendmsg+0xee/0x170 [ 543.114572][ T10] __sys_sendmsg+0xcd/0x170 [ 543.114572][ T10] do_syscall_64+0xc6/0x1e0 [ 543.114572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.114572][ T10] [ 543.116286][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 543.116286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.116286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.116286][ T10] ipv6_find_idev+0x102/0x170 [ 543.116286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.116286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.116286][ T10] netlink_rcv_skb+0x130/0x360 [ 543.116286][ T10] netlink_unicast+0x449/0x710 [ 543.116286][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.116286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.116286][ T10] ___sys_sendmsg+0xee/0x170 [ 543.116286][ T10] __sys_sendmsg+0xcd/0x170 [ 543.116286][ T10] do_syscall_64+0xc6/0x1e0 [ 543.116286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.116286][ T10] [ 553.248265][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 553.249127][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 553.249127][ T10] netdev_get_by_index+0x5e/0x80 [ 553.249127][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.249127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.249127][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.249127][ T10] ipv6_add_addr+0x411/0x2000 [ 553.249127][ T10] inet6_addr_add+0x30e/0xa40 [ 553.249127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.249127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.249127][ T10] netlink_rcv_skb+0x130/0x360 [ 553.249127][ T10] netlink_unicast+0x449/0x710 [ 553.249127][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.249127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.249127][ T10] ___sys_sendmsg+0xee/0x170 [ 553.249127][ T10] __sys_sendmsg+0xcd/0x170 [ 553.249127][ T10] do_syscall_64+0xc6/0x1e0 [ 553.249127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.249127][ T10] [ 553.251097][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 553.251097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.251097][ T10] ipv6_find_idev+0x102/0x170 [ 553.251097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.251097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.251097][ T10] netlink_rcv_skb+0x130/0x360 [ 553.251097][ T10] netlink_unicast+0x449/0x710 [ 553.251097][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.251097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.251097][ T10] ___sys_sendmsg+0xee/0x170 [ 553.251097][ T10] __sys_sendmsg+0xcd/0x170 [ 553.251097][ T10] do_syscall_64+0xc6/0x1e0 [ 553.251097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.251097][ T10] [ 553.252673][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 553.252673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.252673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.252673][ T10] ipv6_find_idev+0x102/0x170 [ 553.252673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.252673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.252673][ T10] netlink_rcv_skb+0x130/0x360 [ 553.252673][ T10] netlink_unicast+0x449/0x710 [ 553.252673][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.252673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.252673][ T10] ___sys_sendmsg+0xee/0x170 [ 553.252673][ T10] __sys_sendmsg+0xcd/0x170 [ 553.252673][ T10] do_syscall_64+0xc6/0x1e0 [ 553.252673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.252673][ T10] [ 553.254386][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 553.254651][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 553.254651][ T10] netdev_get_by_index+0x5e/0x80 [ 553.254651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.254651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.254651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.254651][ T10] ipv6_add_addr+0x411/0x2000 [ 553.254651][ T10] inet6_addr_add+0x30e/0xa40 [ 553.254651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.254651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.254651][ T10] netlink_rcv_skb+0x130/0x360 [ 553.254651][ T10] netlink_unicast+0x449/0x710 [ 553.254651][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.254651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.254651][ T10] ___sys_sendmsg+0xee/0x170 [ 553.254651][ T10] __sys_sendmsg+0xcd/0x170 [ 553.254651][ T10] do_syscall_64+0xc6/0x1e0 [ 553.254651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.254651][ T10] [ 553.256655][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 553.256655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.256655][ T10] ipv6_find_idev+0x102/0x170 [ 553.256655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.256655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.256655][ T10] netlink_rcv_skb+0x130/0x360 [ 553.256655][ T10] netlink_unicast+0x449/0x710 [ 553.256655][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.256655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.256655][ T10] ___sys_sendmsg+0xee/0x170 [ 553.256655][ T10] __sys_sendmsg+0xcd/0x170 [ 553.256655][ T10] do_syscall_64+0xc6/0x1e0 [ 553.256655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.256655][ T10] [ 553.258189][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 553.258189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.258189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.258189][ T10] ipv6_find_idev+0x102/0x170 [ 553.258189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.258189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.258189][ T10] netlink_rcv_skb+0x130/0x360 [ 553.258189][ T10] netlink_unicast+0x449/0x710 [ 553.258189][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.258189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.258189][ T10] ___sys_sendmsg+0xee/0x170 [ 553.258189][ T10] __sys_sendmsg+0xcd/0x170 [ 553.258189][ T10] do_syscall_64+0xc6/0x1e0 [ 553.258189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.258189][ T10] [ 553.259848][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 553.260118][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 553.260118][ T10] netdev_get_by_index+0x5e/0x80 [ 553.260118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.260118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.260118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.260118][ T10] ipv6_add_addr+0x411/0x2000 [ 553.260118][ T10] inet6_addr_add+0x30e/0xa40 [ 553.260118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.260118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.260118][ T10] netlink_rcv_skb+0x130/0x360 [ 553.260118][ T10] netlink_unicast+0x449/0x710 [ 553.260118][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.260118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.260118][ T10] ___sys_sendmsg+0xee/0x170 [ 553.260118][ T10] __sys_sendmsg+0xcd/0x170 [ 553.260118][ T10] do_syscall_64+0xc6/0x1e0 [ 553.260118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.260118][ T10] [ 553.262074][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 553.262074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.262074][ T10] ipv6_find_idev+0x102/0x170 [ 553.262074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.262074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.262074][ T10] netlink_rcv_skb+0x130/0x360 [ 553.262074][ T10] netlink_unicast+0x449/0x710 [ 553.262074][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.262074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.262074][ T10] ___sys_sendmsg+0xee/0x170 [ 553.262074][ T10] __sys_sendmsg+0xcd/0x170 [ 553.262074][ T10] do_syscall_64+0xc6/0x1e0 [ 553.262074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.262074][ T10] [ 553.263583][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 553.263583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.263583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.263583][ T10] ipv6_find_idev+0x102/0x170 [ 553.263583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.263583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.263583][ T10] netlink_rcv_skb+0x130/0x360 [ 553.263583][ T10] netlink_unicast+0x449/0x710 [ 553.263583][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.263583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.263583][ T10] ___sys_sendmsg+0xee/0x170 [ 553.263583][ T10] __sys_sendmsg+0xcd/0x170 [ 553.263583][ T10] do_syscall_64+0xc6/0x1e0 [ 553.263583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.263583][ T10] [ 553.265279][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 553.265535][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 553.265535][ T10] netdev_get_by_index+0x5e/0x80 [ 553.265535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.265535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.265535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.265535][ T10] ipv6_add_addr+0x411/0x2000 [ 553.265535][ T10] inet6_addr_add+0x30e/0xa40 [ 553.265535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.265535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.265535][ T10] netlink_rcv_skb+0x130/0x360 [ 553.265535][ T10] netlink_unicast+0x449/0x710 [ 553.265535][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.265535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.265535][ T10] ___sys_sendmsg+0xee/0x170 [ 553.265535][ T10] __sys_sendmsg+0xcd/0x170 [ 553.265535][ T10] do_syscall_64+0xc6/0x1e0 [ 553.265535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.265535][ T10] [ 553.267494][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 553.267494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.267494][ T10] ipv6_find_idev+0x102/0x170 [ 553.267494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.267494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.267494][ T10] netlink_rcv_skb+0x130/0x360 [ 553.267494][ T10] netlink_unicast+0x449/0x710 [ 553.267494][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.267494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.267494][ T10] ___sys_sendmsg+0xee/0x170 [ 553.267494][ T10] __sys_sendmsg+0xcd/0x170 [ 553.267494][ T10] do_syscall_64+0xc6/0x1e0 [ 553.267494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.267494][ T10] [ 553.269028][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 553.269028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.269028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.269028][ T10] ipv6_find_idev+0x102/0x170 [ 553.269028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.269028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.269028][ T10] netlink_rcv_skb+0x130/0x360 [ 553.269028][ T10] netlink_unicast+0x449/0x710 [ 553.269028][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.269028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.269028][ T10] ___sys_sendmsg+0xee/0x170 [ 553.269028][ T10] __sys_sendmsg+0xcd/0x170 [ 553.269028][ T10] do_syscall_64+0xc6/0x1e0 [ 553.269028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.269028][ T10] [ 553.270659][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 553.270913][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 553.270913][ T10] netdev_get_by_index+0x5e/0x80 [ 553.270913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.270913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.270913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.270913][ T10] ipv6_add_addr+0x411/0x2000 [ 553.270913][ T10] inet6_addr_add+0x30e/0xa40 [ 553.270913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.270913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.270913][ T10] netlink_rcv_skb+0x130/0x360 [ 553.270913][ T10] netlink_unicast+0x449/0x710 [ 553.270913][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.270913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.270913][ T10] ___sys_sendmsg+0xee/0x170 [ 553.270913][ T10] __sys_sendmsg+0xcd/0x170 [ 553.270913][ T10] do_syscall_64+0xc6/0x1e0 [ 553.270913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.270913][ T10] [ 553.272884][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 553.272884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.272884][ T10] ipv6_find_idev+0x102/0x170 [ 553.272884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.272884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.272884][ T10] netlink_rcv_skb+0x130/0x360 [ 553.272884][ T10] netlink_unicast+0x449/0x710 [ 553.272884][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.272884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.272884][ T10] ___sys_sendmsg+0xee/0x170 [ 553.272884][ T10] __sys_sendmsg+0xcd/0x170 [ 553.272884][ T10] do_syscall_64+0xc6/0x1e0 [ 553.272884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.272884][ T10] [ 553.274413][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 553.274413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.274413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.274413][ T10] ipv6_find_idev+0x102/0x170 [ 553.274413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.274413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.274413][ T10] netlink_rcv_skb+0x130/0x360 [ 553.274413][ T10] netlink_unicast+0x449/0x710 [ 553.274413][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.274413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.274413][ T10] ___sys_sendmsg+0xee/0x170 [ 553.274413][ T10] __sys_sendmsg+0xcd/0x170 [ 553.274413][ T10] do_syscall_64+0xc6/0x1e0 [ 553.274413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.274413][ T10] [ 553.276312][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 553.276575][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 553.276575][ T10] netdev_get_by_index+0x5e/0x80 [ 553.276575][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.276575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.276575][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.276575][ T10] ipv6_add_addr+0x411/0x2000 [ 553.276575][ T10] inet6_addr_add+0x30e/0xa40 [ 553.276575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.276575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.276575][ T10] netlink_rcv_skb+0x130/0x360 [ 553.276575][ T10] netlink_unicast+0x449/0x710 [ 553.276575][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.276575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.276575][ T10] ___sys_sendmsg+0xee/0x170 [ 553.276575][ T10] __sys_sendmsg+0xcd/0x170 [ 553.276575][ T10] do_syscall_64+0xc6/0x1e0 [ 553.276575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.276575][ T10] [ 553.278621][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 553.278621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.278621][ T10] ipv6_find_idev+0x102/0x170 [ 553.278621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.278621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.278621][ T10] netlink_rcv_skb+0x130/0x360 [ 553.278621][ T10] netlink_unicast+0x449/0x710 [ 553.278621][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.278621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.278621][ T10] ___sys_sendmsg+0xee/0x170 [ 553.278621][ T10] __sys_sendmsg+0xcd/0x170 [ 553.278621][ T10] do_syscall_64+0xc6/0x1e0 [ 553.278621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.278621][ T10] [ 553.280245][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 553.280245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.280245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.280245][ T10] ipv6_find_idev+0x102/0x170 [ 553.280245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.280245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.280245][ T10] netlink_rcv_skb+0x130/0x360 [ 553.280245][ T10] netlink_unicast+0x449/0x710 [ 553.280245][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.280245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.280245][ T10] ___sys_sendmsg+0xee/0x170 [ 553.280245][ T10] __sys_sendmsg+0xcd/0x170 [ 553.280245][ T10] do_syscall_64+0xc6/0x1e0 [ 553.280245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.280245][ T10] [ 553.282168][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 553.282432][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 553.282432][ T10] netdev_get_by_index+0x5e/0x80 [ 553.282432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.282432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.282432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.282432][ T10] ipv6_add_addr+0x411/0x2000 [ 553.282432][ T10] inet6_addr_add+0x30e/0xa40 [ 553.282432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.282432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.282432][ T10] netlink_rcv_skb+0x130/0x360 [ 553.282432][ T10] netlink_unicast+0x449/0x710 [ 553.282432][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.282432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.282432][ T10] ___sys_sendmsg+0xee/0x170 [ 553.282432][ T10] __sys_sendmsg+0xcd/0x170 [ 553.282432][ T10] do_syscall_64+0xc6/0x1e0 [ 553.282432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.282432][ T10] [ 553.284435][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 553.284435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.284435][ T10] ipv6_find_idev+0x102/0x170 [ 553.284435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.284435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.284435][ T10] netlink_rcv_skb+0x130/0x360 [ 553.284435][ T10] netlink_unicast+0x449/0x710 [ 553.284435][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.284435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.284435][ T10] ___sys_sendmsg+0xee/0x170 [ 553.284435][ T10] __sys_sendmsg+0xcd/0x170 [ 553.284435][ T10] do_syscall_64+0xc6/0x1e0 [ 553.284435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.284435][ T10] [ 553.286151][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 553.286151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.286151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.286151][ T10] ipv6_find_idev+0x102/0x170 [ 553.286151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.286151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.286151][ T10] netlink_rcv_skb+0x130/0x360 [ 553.286151][ T10] netlink_unicast+0x449/0x710 [ 553.286151][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.286151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.286151][ T10] ___sys_sendmsg+0xee/0x170 [ 553.286151][ T10] __sys_sendmsg+0xcd/0x170 [ 553.286151][ T10] do_syscall_64+0xc6/0x1e0 [ 553.286151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.286151][ T10] [ 553.288011][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 553.288319][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 553.288319][ T10] netdev_get_by_index+0x5e/0x80 [ 553.288319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.288319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.288319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.288319][ T10] ipv6_add_addr+0x411/0x2000 [ 553.288319][ T10] inet6_addr_add+0x30e/0xa40 [ 553.288319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.288319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.288319][ T10] netlink_rcv_skb+0x130/0x360 [ 553.288319][ T10] netlink_unicast+0x449/0x710 [ 553.288319][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.288319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.288319][ T10] ___sys_sendmsg+0xee/0x170 [ 553.288319][ T10] __sys_sendmsg+0xcd/0x170 [ 553.288319][ T10] do_syscall_64+0xc6/0x1e0 [ 553.288319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.288319][ T10] [ 553.290458][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 553.290458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.290458][ T10] ipv6_find_idev+0x102/0x170 [ 553.290458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.290458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.290458][ T10] netlink_rcv_skb+0x130/0x360 [ 553.290458][ T10] netlink_unicast+0x449/0x710 [ 553.290458][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.290458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.290458][ T10] ___sys_sendmsg+0xee/0x170 [ 553.290458][ T10] __sys_sendmsg+0xcd/0x170 [ 553.290458][ T10] do_syscall_64+0xc6/0x1e0 [ 553.290458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.290458][ T10] [ 553.292091][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 553.292091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.292091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.292091][ T10] ipv6_find_idev+0x102/0x170 [ 553.292091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.292091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.292091][ T10] netlink_rcv_skb+0x130/0x360 [ 553.292091][ T10] netlink_unicast+0x449/0x710 [ 553.292091][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.292091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.292091][ T10] ___sys_sendmsg+0xee/0x170 [ 553.292091][ T10] __sys_sendmsg+0xcd/0x170 [ 553.292091][ T10] do_syscall_64+0xc6/0x1e0 [ 553.292091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.292091][ T10] [ 563.384207][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 563.384637][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 563.384637][ T10] netdev_get_by_index+0x5e/0x80 [ 563.384637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.384637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.384637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.384637][ T10] ipv6_add_addr+0x411/0x2000 [ 563.384637][ T10] inet6_addr_add+0x30e/0xa40 [ 563.384637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.384637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.384637][ T10] netlink_rcv_skb+0x130/0x360 [ 563.384637][ T10] netlink_unicast+0x449/0x710 [ 563.384637][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.384637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.384637][ T10] ___sys_sendmsg+0xee/0x170 [ 563.384637][ T10] __sys_sendmsg+0xcd/0x170 [ 563.384637][ T10] do_syscall_64+0xc6/0x1e0 [ 563.384637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.384637][ T10] [ 563.386636][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 563.386636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.386636][ T10] ipv6_find_idev+0x102/0x170 [ 563.386636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.386636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.386636][ T10] netlink_rcv_skb+0x130/0x360 [ 563.386636][ T10] netlink_unicast+0x449/0x710 [ 563.386636][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.386636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.386636][ T10] ___sys_sendmsg+0xee/0x170 [ 563.386636][ T10] __sys_sendmsg+0xcd/0x170 [ 563.386636][ T10] do_syscall_64+0xc6/0x1e0 [ 563.386636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.386636][ T10] [ 563.388181][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 563.388181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.388181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.388181][ T10] ipv6_find_idev+0x102/0x170 [ 563.388181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.388181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.388181][ T10] netlink_rcv_skb+0x130/0x360 [ 563.388181][ T10] netlink_unicast+0x449/0x710 [ 563.388181][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.388181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.388181][ T10] ___sys_sendmsg+0xee/0x170 [ 563.388181][ T10] __sys_sendmsg+0xcd/0x170 [ 563.388181][ T10] do_syscall_64+0xc6/0x1e0 [ 563.388181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.388181][ T10] [ 563.389900][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 563.390187][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 563.390187][ T10] netdev_get_by_index+0x5e/0x80 [ 563.390187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.390187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.390187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.390187][ T10] ipv6_add_addr+0x411/0x2000 [ 563.390187][ T10] inet6_addr_add+0x30e/0xa40 [ 563.390187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.390187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.390187][ T10] netlink_rcv_skb+0x130/0x360 [ 563.390187][ T10] netlink_unicast+0x449/0x710 [ 563.390187][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.390187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.390187][ T10] ___sys_sendmsg+0xee/0x170 [ 563.390187][ T10] __sys_sendmsg+0xcd/0x170 [ 563.390187][ T10] do_syscall_64+0xc6/0x1e0 [ 563.390187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.390187][ T10] [ 563.392187][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 563.392187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.392187][ T10] ipv6_find_idev+0x102/0x170 [ 563.392187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.392187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.392187][ T10] netlink_rcv_skb+0x130/0x360 [ 563.392187][ T10] netlink_unicast+0x449/0x710 [ 563.392187][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.392187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.392187][ T10] ___sys_sendmsg+0xee/0x170 [ 563.392187][ T10] __sys_sendmsg+0xcd/0x170 [ 563.392187][ T10] do_syscall_64+0xc6/0x1e0 [ 563.392187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.392187][ T10] [ 563.393720][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 563.393720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.393720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.393720][ T10] ipv6_find_idev+0x102/0x170 [ 563.393720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.393720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.393720][ T10] netlink_rcv_skb+0x130/0x360 [ 563.393720][ T10] netlink_unicast+0x449/0x710 [ 563.393720][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.393720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.393720][ T10] ___sys_sendmsg+0xee/0x170 [ 563.393720][ T10] __sys_sendmsg+0xcd/0x170 [ 563.393720][ T10] do_syscall_64+0xc6/0x1e0 [ 563.393720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.393720][ T10] [ 563.395385][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 563.395656][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 563.395656][ T10] netdev_get_by_index+0x5e/0x80 [ 563.395656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.395656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.395656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.395656][ T10] ipv6_add_addr+0x411/0x2000 [ 563.395656][ T10] inet6_addr_add+0x30e/0xa40 [ 563.395656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.395656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.395656][ T10] netlink_rcv_skb+0x130/0x360 [ 563.395656][ T10] netlink_unicast+0x449/0x710 [ 563.395656][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.395656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.395656][ T10] ___sys_sendmsg+0xee/0x170 [ 563.395656][ T10] __sys_sendmsg+0xcd/0x170 [ 563.395656][ T10] do_syscall_64+0xc6/0x1e0 [ 563.395656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.395656][ T10] [ 563.397641][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 563.397641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.397641][ T10] ipv6_find_idev+0x102/0x170 [ 563.397641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.397641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.397641][ T10] netlink_rcv_skb+0x130/0x360 [ 563.397641][ T10] netlink_unicast+0x449/0x710 [ 563.397641][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.397641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.397641][ T10] ___sys_sendmsg+0xee/0x170 [ 563.397641][ T10] __sys_sendmsg+0xcd/0x170 [ 563.397641][ T10] do_syscall_64+0xc6/0x1e0 [ 563.397641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.397641][ T10] [ 563.399167][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 563.399167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.399167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.399167][ T10] ipv6_find_idev+0x102/0x170 [ 563.399167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.399167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.399167][ T10] netlink_rcv_skb+0x130/0x360 [ 563.399167][ T10] netlink_unicast+0x449/0x710 [ 563.399167][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.399167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.399167][ T10] ___sys_sendmsg+0xee/0x170 [ 563.399167][ T10] __sys_sendmsg+0xcd/0x170 [ 563.399167][ T10] do_syscall_64+0xc6/0x1e0 [ 563.399167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.399167][ T10] [ 563.400843][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 563.401113][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 563.401113][ T10] netdev_get_by_index+0x5e/0x80 [ 563.401113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.401113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.401113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.401113][ T10] ipv6_add_addr+0x411/0x2000 [ 563.401113][ T10] inet6_addr_add+0x30e/0xa40 [ 563.401113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.401113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.401113][ T10] netlink_rcv_skb+0x130/0x360 [ 563.401113][ T10] netlink_unicast+0x449/0x710 [ 563.401113][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.401113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.401113][ T10] ___sys_sendmsg+0xee/0x170 [ 563.401113][ T10] __sys_sendmsg+0xcd/0x170 [ 563.401113][ T10] do_syscall_64+0xc6/0x1e0 [ 563.401113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.401113][ T10] [ 563.403111][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 563.403111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.403111][ T10] ipv6_find_idev+0x102/0x170 [ 563.403111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.403111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.403111][ T10] netlink_rcv_skb+0x130/0x360 [ 563.403111][ T10] netlink_unicast+0x449/0x710 [ 563.403111][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.403111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.403111][ T10] ___sys_sendmsg+0xee/0x170 [ 563.403111][ T10] __sys_sendmsg+0xcd/0x170 [ 563.403111][ T10] do_syscall_64+0xc6/0x1e0 [ 563.403111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.403111][ T10] [ 563.404661][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 563.404661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.404661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.404661][ T10] ipv6_find_idev+0x102/0x170 [ 563.404661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.404661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.404661][ T10] netlink_rcv_skb+0x130/0x360 [ 563.404661][ T10] netlink_unicast+0x449/0x710 [ 563.404661][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.404661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.404661][ T10] ___sys_sendmsg+0xee/0x170 [ 563.404661][ T10] __sys_sendmsg+0xcd/0x170 [ 563.404661][ T10] do_syscall_64+0xc6/0x1e0 [ 563.404661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.404661][ T10] [ 563.406319][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 563.406595][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 563.406595][ T10] netdev_get_by_index+0x5e/0x80 [ 563.406595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.406595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.406595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.406595][ T10] ipv6_add_addr+0x411/0x2000 [ 563.406595][ T10] inet6_addr_add+0x30e/0xa40 [ 563.406595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.406595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.406595][ T10] netlink_rcv_skb+0x130/0x360 [ 563.406595][ T10] netlink_unicast+0x449/0x710 [ 563.406595][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.406595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.406595][ T10] ___sys_sendmsg+0xee/0x170 [ 563.406595][ T10] __sys_sendmsg+0xcd/0x170 [ 563.406595][ T10] do_syscall_64+0xc6/0x1e0 [ 563.406595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.406595][ T10] [ 563.408562][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 563.408562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.408562][ T10] ipv6_find_idev+0x102/0x170 [ 563.408562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.408562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.408562][ T10] netlink_rcv_skb+0x130/0x360 [ 563.408562][ T10] netlink_unicast+0x449/0x710 [ 563.408562][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.408562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.408562][ T10] ___sys_sendmsg+0xee/0x170 [ 563.408562][ T10] __sys_sendmsg+0xcd/0x170 [ 563.408562][ T10] do_syscall_64+0xc6/0x1e0 [ 563.408562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.408562][ T10] [ 563.410152][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 563.410152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.410152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.410152][ T10] ipv6_find_idev+0x102/0x170 [ 563.410152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.410152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.410152][ T10] netlink_rcv_skb+0x130/0x360 [ 563.410152][ T10] netlink_unicast+0x449/0x710 [ 563.410152][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.410152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.410152][ T10] ___sys_sendmsg+0xee/0x170 [ 563.410152][ T10] __sys_sendmsg+0xcd/0x170 [ 563.410152][ T10] do_syscall_64+0xc6/0x1e0 [ 563.410152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.410152][ T10] [ 563.412018][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 563.412333][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 563.412333][ T10] netdev_get_by_index+0x5e/0x80 [ 563.412333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.412333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.412333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.412333][ T10] ipv6_add_addr+0x411/0x2000 [ 563.412333][ T10] inet6_addr_add+0x30e/0xa40 [ 563.412333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.412333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.412333][ T10] netlink_rcv_skb+0x130/0x360 [ 563.412333][ T10] netlink_unicast+0x449/0x710 [ 563.412333][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.412333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.412333][ T10] ___sys_sendmsg+0xee/0x170 [ 563.412333][ T10] __sys_sendmsg+0xcd/0x170 [ 563.412333][ T10] do_syscall_64+0xc6/0x1e0 [ 563.412333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.412333][ T10] [ 563.414518][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 563.414518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.414518][ T10] ipv6_find_idev+0x102/0x170 [ 563.414518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.414518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.414518][ T10] netlink_rcv_skb+0x130/0x360 [ 563.414518][ T10] netlink_unicast+0x449/0x710 [ 563.414518][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.414518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.414518][ T10] ___sys_sendmsg+0xee/0x170 [ 563.414518][ T10] __sys_sendmsg+0xcd/0x170 [ 563.414518][ T10] do_syscall_64+0xc6/0x1e0 [ 563.414518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.414518][ T10] [ 563.416222][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 563.416222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.416222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.416222][ T10] ipv6_find_idev+0x102/0x170 [ 563.416222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.416222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.416222][ T10] netlink_rcv_skb+0x130/0x360 [ 563.416222][ T10] netlink_unicast+0x449/0x710 [ 563.416222][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.416222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.416222][ T10] ___sys_sendmsg+0xee/0x170 [ 563.416222][ T10] __sys_sendmsg+0xcd/0x170 [ 563.416222][ T10] do_syscall_64+0xc6/0x1e0 [ 563.416222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.416222][ T10] [ 563.417950][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 563.418266][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 563.418266][ T10] netdev_get_by_index+0x5e/0x80 [ 563.418266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.418266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.418266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.418266][ T10] ipv6_add_addr+0x411/0x2000 [ 563.418266][ T10] inet6_addr_add+0x30e/0xa40 [ 563.418266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.418266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.418266][ T10] netlink_rcv_skb+0x130/0x360 [ 563.418266][ T10] netlink_unicast+0x449/0x710 [ 563.418266][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.418266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.418266][ T10] ___sys_sendmsg+0xee/0x170 [ 563.418266][ T10] __sys_sendmsg+0xcd/0x170 [ 563.418266][ T10] do_syscall_64+0xc6/0x1e0 [ 563.418266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.418266][ T10] [ 563.420415][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 563.420415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.420415][ T10] ipv6_find_idev+0x102/0x170 [ 563.420415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.420415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.420415][ T10] netlink_rcv_skb+0x130/0x360 [ 563.420415][ T10] netlink_unicast+0x449/0x710 [ 563.420415][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.420415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.420415][ T10] ___sys_sendmsg+0xee/0x170 [ 563.420415][ T10] __sys_sendmsg+0xcd/0x170 [ 563.420415][ T10] do_syscall_64+0xc6/0x1e0 [ 563.420415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.420415][ T10] [ 563.422051][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 563.422051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.422051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.422051][ T10] ipv6_find_idev+0x102/0x170 [ 563.422051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.422051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.422051][ T10] netlink_rcv_skb+0x130/0x360 [ 563.422051][ T10] netlink_unicast+0x449/0x710 [ 563.422051][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.422051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.422051][ T10] ___sys_sendmsg+0xee/0x170 [ 563.422051][ T10] __sys_sendmsg+0xcd/0x170 [ 563.422051][ T10] do_syscall_64+0xc6/0x1e0 [ 563.422051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.422051][ T10] [ 563.423906][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 563.424228][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 563.424228][ T10] netdev_get_by_index+0x5e/0x80 [ 563.424228][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.424228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.424228][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.424228][ T10] ipv6_add_addr+0x411/0x2000 [ 563.424228][ T10] inet6_addr_add+0x30e/0xa40 [ 563.424228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.424228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.424228][ T10] netlink_rcv_skb+0x130/0x360 [ 563.424228][ T10] netlink_unicast+0x449/0x710 [ 563.424228][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.424228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.424228][ T10] ___sys_sendmsg+0xee/0x170 [ 563.424228][ T10] __sys_sendmsg+0xcd/0x170 [ 563.424228][ T10] do_syscall_64+0xc6/0x1e0 [ 563.424228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.424228][ T10] [ 563.426388][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 563.426388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.426388][ T10] ipv6_find_idev+0x102/0x170 [ 563.426388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.426388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.426388][ T10] netlink_rcv_skb+0x130/0x360 [ 563.426388][ T10] netlink_unicast+0x449/0x710 [ 563.426388][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.426388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.426388][ T10] ___sys_sendmsg+0xee/0x170 [ 563.426388][ T10] __sys_sendmsg+0xcd/0x170 [ 563.426388][ T10] do_syscall_64+0xc6/0x1e0 [ 563.426388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.426388][ T10] [ 563.427966][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 563.427966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.427966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.427966][ T10] ipv6_find_idev+0x102/0x170 [ 563.427966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.427966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.427966][ T10] netlink_rcv_skb+0x130/0x360 [ 563.427966][ T10] netlink_unicast+0x449/0x710 [ 563.427966][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.427966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.427966][ T10] ___sys_sendmsg+0xee/0x170 [ 563.427966][ T10] __sys_sendmsg+0xcd/0x170 [ 563.427966][ T10] do_syscall_64+0xc6/0x1e0 [ 563.427966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.427966][ T10] [ 573.624153][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 573.624589][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 573.624589][ T10] netdev_get_by_index+0x5e/0x80 [ 573.624589][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.624589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.624589][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.624589][ T10] ipv6_add_addr+0x411/0x2000 [ 573.624589][ T10] inet6_addr_add+0x30e/0xa40 [ 573.624589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.624589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.624589][ T10] netlink_rcv_skb+0x130/0x360 [ 573.624589][ T10] netlink_unicast+0x449/0x710 [ 573.624589][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.624589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.624589][ T10] ___sys_sendmsg+0xee/0x170 [ 573.624589][ T10] __sys_sendmsg+0xcd/0x170 [ 573.624589][ T10] do_syscall_64+0xc6/0x1e0 [ 573.624589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.624589][ T10] [ 573.626623][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 573.626623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.626623][ T10] ipv6_find_idev+0x102/0x170 [ 573.626623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.626623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.626623][ T10] netlink_rcv_skb+0x130/0x360 [ 573.626623][ T10] netlink_unicast+0x449/0x710 [ 573.626623][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.626623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.626623][ T10] ___sys_sendmsg+0xee/0x170 [ 573.626623][ T10] __sys_sendmsg+0xcd/0x170 [ 573.626623][ T10] do_syscall_64+0xc6/0x1e0 [ 573.626623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.626623][ T10] [ 573.628150][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 573.628150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.628150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.628150][ T10] ipv6_find_idev+0x102/0x170 [ 573.628150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.628150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.628150][ T10] netlink_rcv_skb+0x130/0x360 [ 573.628150][ T10] netlink_unicast+0x449/0x710 [ 573.628150][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.628150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.628150][ T10] ___sys_sendmsg+0xee/0x170 [ 573.628150][ T10] __sys_sendmsg+0xcd/0x170 [ 573.628150][ T10] do_syscall_64+0xc6/0x1e0 [ 573.628150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.628150][ T10] [ 573.629789][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 573.630063][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 573.630063][ T10] netdev_get_by_index+0x5e/0x80 [ 573.630063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.630063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.630063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.630063][ T10] ipv6_add_addr+0x411/0x2000 [ 573.630063][ T10] inet6_addr_add+0x30e/0xa40 [ 573.630063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.630063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.630063][ T10] netlink_rcv_skb+0x130/0x360 [ 573.630063][ T10] netlink_unicast+0x449/0x710 [ 573.630063][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.630063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.630063][ T10] ___sys_sendmsg+0xee/0x170 [ 573.630063][ T10] __sys_sendmsg+0xcd/0x170 [ 573.630063][ T10] do_syscall_64+0xc6/0x1e0 [ 573.630063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.630063][ T10] [ 573.632058][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 573.632058][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.632058][ T10] ipv6_find_idev+0x102/0x170 [ 573.632058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.632058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.632058][ T10] netlink_rcv_skb+0x130/0x360 [ 573.632058][ T10] netlink_unicast+0x449/0x710 [ 573.632058][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.632058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.632058][ T10] ___sys_sendmsg+0xee/0x170 [ 573.632058][ T10] __sys_sendmsg+0xcd/0x170 [ 573.632058][ T10] do_syscall_64+0xc6/0x1e0 [ 573.632058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.632058][ T10] [ 573.633583][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 573.633583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.633583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.633583][ T10] ipv6_find_idev+0x102/0x170 [ 573.633583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.633583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.633583][ T10] netlink_rcv_skb+0x130/0x360 [ 573.633583][ T10] netlink_unicast+0x449/0x710 [ 573.633583][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.633583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.633583][ T10] ___sys_sendmsg+0xee/0x170 [ 573.633583][ T10] __sys_sendmsg+0xcd/0x170 [ 573.633583][ T10] do_syscall_64+0xc6/0x1e0 [ 573.633583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.633583][ T10] [ 573.635419][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 573.635711][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 573.635711][ T10] netdev_get_by_index+0x5e/0x80 [ 573.635711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.635711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.635711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.635711][ T10] ipv6_add_addr+0x411/0x2000 [ 573.635711][ T10] inet6_addr_add+0x30e/0xa40 [ 573.635711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.635711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.635711][ T10] netlink_rcv_skb+0x130/0x360 [ 573.635711][ T10] netlink_unicast+0x449/0x710 [ 573.635711][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.635711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.635711][ T10] ___sys_sendmsg+0xee/0x170 [ 573.635711][ T10] __sys_sendmsg+0xcd/0x170 [ 573.635711][ T10] do_syscall_64+0xc6/0x1e0 [ 573.635711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.635711][ T10] [ 573.637900][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 573.637900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.637900][ T10] ipv6_find_idev+0x102/0x170 [ 573.637900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.637900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.637900][ T10] netlink_rcv_skb+0x130/0x360 [ 573.637900][ T10] netlink_unicast+0x449/0x710 [ 573.637900][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.637900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.637900][ T10] ___sys_sendmsg+0xee/0x170 [ 573.637900][ T10] __sys_sendmsg+0xcd/0x170 [ 573.637900][ T10] do_syscall_64+0xc6/0x1e0 [ 573.637900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.637900][ T10] [ 573.639626][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 573.639626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.639626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.639626][ T10] ipv6_find_idev+0x102/0x170 [ 573.639626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.639626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.639626][ T10] netlink_rcv_skb+0x130/0x360 [ 573.639626][ T10] netlink_unicast+0x449/0x710 [ 573.639626][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.639626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.639626][ T10] ___sys_sendmsg+0xee/0x170 [ 573.639626][ T10] __sys_sendmsg+0xcd/0x170 [ 573.639626][ T10] do_syscall_64+0xc6/0x1e0 [ 573.639626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.639626][ T10] [ 573.641412][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 573.641751][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 573.641751][ T10] netdev_get_by_index+0x5e/0x80 [ 573.641751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.641751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.641751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.641751][ T10] ipv6_add_addr+0x411/0x2000 [ 573.641751][ T10] inet6_addr_add+0x30e/0xa40 [ 573.641751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.641751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.641751][ T10] netlink_rcv_skb+0x130/0x360 [ 573.641751][ T10] netlink_unicast+0x449/0x710 [ 573.641751][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.641751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.641751][ T10] ___sys_sendmsg+0xee/0x170 [ 573.641751][ T10] __sys_sendmsg+0xcd/0x170 [ 573.641751][ T10] do_syscall_64+0xc6/0x1e0 [ 573.641751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.641751][ T10] [ 573.644148][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 573.644148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.644148][ T10] ipv6_find_idev+0x102/0x170 [ 573.644148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.644148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.644148][ T10] netlink_rcv_skb+0x130/0x360 [ 573.644148][ T10] netlink_unicast+0x449/0x710 [ 573.644148][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.644148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.644148][ T10] ___sys_sendmsg+0xee/0x170 [ 573.644148][ T10] __sys_sendmsg+0xcd/0x170 [ 573.644148][ T10] do_syscall_64+0xc6/0x1e0 [ 573.644148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.644148][ T10] [ 573.645852][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 573.645852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.645852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.645852][ T10] ipv6_find_idev+0x102/0x170 [ 573.645852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.645852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.645852][ T10] netlink_rcv_skb+0x130/0x360 [ 573.645852][ T10] netlink_unicast+0x449/0x710 [ 573.645852][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.645852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.645852][ T10] ___sys_sendmsg+0xee/0x170 [ 573.645852][ T10] __sys_sendmsg+0xcd/0x170 [ 573.645852][ T10] do_syscall_64+0xc6/0x1e0 [ 573.645852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.645852][ T10] [ 573.647640][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 573.647969][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 573.647969][ T10] netdev_get_by_index+0x5e/0x80 [ 573.647969][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.647969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.647969][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.647969][ T10] ipv6_add_addr+0x411/0x2000 [ 573.647969][ T10] inet6_addr_add+0x30e/0xa40 [ 573.647969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.647969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.647969][ T10] netlink_rcv_skb+0x130/0x360 [ 573.647969][ T10] netlink_unicast+0x449/0x710 [ 573.647969][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.647969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.647969][ T10] ___sys_sendmsg+0xee/0x170 [ 573.647969][ T10] __sys_sendmsg+0xcd/0x170 [ 573.647969][ T10] do_syscall_64+0xc6/0x1e0 [ 573.647969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.647969][ T10] [ 573.650127][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 573.650127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.650127][ T10] ipv6_find_idev+0x102/0x170 [ 573.650127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.650127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.650127][ T10] netlink_rcv_skb+0x130/0x360 [ 573.650127][ T10] netlink_unicast+0x449/0x710 [ 573.650127][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.650127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.650127][ T10] ___sys_sendmsg+0xee/0x170 [ 573.650127][ T10] __sys_sendmsg+0xcd/0x170 [ 573.650127][ T10] do_syscall_64+0xc6/0x1e0 [ 573.650127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.650127][ T10] [ 573.651670][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 573.651670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.651670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.651670][ T10] ipv6_find_idev+0x102/0x170 [ 573.651670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.651670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.651670][ T10] netlink_rcv_skb+0x130/0x360 [ 573.651670][ T10] netlink_unicast+0x449/0x710 [ 573.651670][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.651670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.651670][ T10] ___sys_sendmsg+0xee/0x170 [ 573.651670][ T10] __sys_sendmsg+0xcd/0x170 [ 573.651670][ T10] do_syscall_64+0xc6/0x1e0 [ 573.651670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.651670][ T10] [ 573.653995][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 573.654708][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 573.654708][ T10] netdev_get_by_index+0x5e/0x80 [ 573.654708][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.654708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.654708][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.654708][ T10] ipv6_add_addr+0x411/0x2000 [ 573.654708][ T10] inet6_addr_add+0x30e/0xa40 [ 573.654708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.654708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.654708][ T10] netlink_rcv_skb+0x130/0x360 [ 573.654708][ T10] netlink_unicast+0x449/0x710 [ 573.654708][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.654708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.654708][ T10] ___sys_sendmsg+0xee/0x170 [ 573.654708][ T10] __sys_sendmsg+0xcd/0x170 [ 573.654708][ T10] do_syscall_64+0xc6/0x1e0 [ 573.654708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.654708][ T10] [ 573.656697][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 573.656697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.656697][ T10] ipv6_find_idev+0x102/0x170 [ 573.656697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.656697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.656697][ T10] netlink_rcv_skb+0x130/0x360 [ 573.656697][ T10] netlink_unicast+0x449/0x710 [ 573.656697][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.656697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.656697][ T10] ___sys_sendmsg+0xee/0x170 [ 573.656697][ T10] __sys_sendmsg+0xcd/0x170 [ 573.656697][ T10] do_syscall_64+0xc6/0x1e0 [ 573.656697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.656697][ T10] [ 573.658234][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 573.658234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.658234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.658234][ T10] ipv6_find_idev+0x102/0x170 [ 573.658234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.658234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.658234][ T10] netlink_rcv_skb+0x130/0x360 [ 573.658234][ T10] netlink_unicast+0x449/0x710 [ 573.658234][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.658234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.658234][ T10] ___sys_sendmsg+0xee/0x170 [ 573.658234][ T10] __sys_sendmsg+0xcd/0x170 [ 573.658234][ T10] do_syscall_64+0xc6/0x1e0 [ 573.658234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.658234][ T10] [ 573.659946][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 573.660312][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 573.660312][ T10] netdev_get_by_index+0x5e/0x80 [ 573.660312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.660312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.660312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.660312][ T10] ipv6_add_addr+0x411/0x2000 [ 573.660312][ T10] inet6_addr_add+0x30e/0xa40 [ 573.660312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.660312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.660312][ T10] netlink_rcv_skb+0x130/0x360 [ 573.660312][ T10] netlink_unicast+0x449/0x710 [ 573.660312][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.660312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.660312][ T10] ___sys_sendmsg+0xee/0x170 [ 573.660312][ T10] __sys_sendmsg+0xcd/0x170 [ 573.660312][ T10] do_syscall_64+0xc6/0x1e0 [ 573.660312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.660312][ T10] [ 573.662362][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 573.662362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.662362][ T10] ipv6_find_idev+0x102/0x170 [ 573.662362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.662362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.662362][ T10] netlink_rcv_skb+0x130/0x360 [ 573.662362][ T10] netlink_unicast+0x449/0x710 [ 573.662362][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.662362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.662362][ T10] ___sys_sendmsg+0xee/0x170 [ 573.662362][ T10] __sys_sendmsg+0xcd/0x170 [ 573.662362][ T10] do_syscall_64+0xc6/0x1e0 [ 573.662362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.662362][ T10] [ 573.664005][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 573.664005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.664005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.664005][ T10] ipv6_find_idev+0x102/0x170 [ 573.664005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.664005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.664005][ T10] netlink_rcv_skb+0x130/0x360 [ 573.664005][ T10] netlink_unicast+0x449/0x710 [ 573.664005][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.664005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.664005][ T10] ___sys_sendmsg+0xee/0x170 [ 573.664005][ T10] __sys_sendmsg+0xcd/0x170 [ 573.664005][ T10] do_syscall_64+0xc6/0x1e0 [ 573.664005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.664005][ T10] [ 573.666597][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 573.667028][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 573.667028][ T10] netdev_get_by_index+0x5e/0x80 [ 573.667028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.667028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.667028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.667028][ T10] ipv6_add_addr+0x411/0x2000 [ 573.667028][ T10] inet6_addr_add+0x30e/0xa40 [ 573.667028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.667028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.667028][ T10] netlink_rcv_skb+0x130/0x360 [ 573.667028][ T10] netlink_unicast+0x449/0x710 [ 573.667028][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.667028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.667028][ T10] ___sys_sendmsg+0xee/0x170 [ 573.667028][ T10] __sys_sendmsg+0xcd/0x170 [ 573.667028][ T10] do_syscall_64+0xc6/0x1e0 [ 573.667028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.667028][ T10] [ 573.670181][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 573.670181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.670181][ T10] ipv6_find_idev+0x102/0x170 [ 573.670181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.670181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.670181][ T10] netlink_rcv_skb+0x130/0x360 [ 573.670181][ T10] netlink_unicast+0x449/0x710 [ 573.670181][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.670181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.670181][ T10] ___sys_sendmsg+0xee/0x170 [ 573.670181][ T10] __sys_sendmsg+0xcd/0x170 [ 573.670181][ T10] do_syscall_64+0xc6/0x1e0 [ 573.670181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.670181][ T10] [ 573.671790][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 573.671790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.671790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.671790][ T10] ipv6_find_idev+0x102/0x170 [ 573.671790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.671790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.671790][ T10] netlink_rcv_skb+0x130/0x360 [ 573.671790][ T10] netlink_unicast+0x449/0x710 [ 573.671790][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.671790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.671790][ T10] ___sys_sendmsg+0xee/0x170 [ 573.671790][ T10] __sys_sendmsg+0xcd/0x170 [ 573.671790][ T10] do_syscall_64+0xc6/0x1e0 [ 573.671790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.671790][ T10] [ 583.760380][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 583.761036][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 583.761036][ T10] netdev_get_by_index+0x5e/0x80 [ 583.761036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.761036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.761036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.761036][ T10] ipv6_add_addr+0x411/0x2000 [ 583.761036][ T10] inet6_addr_add+0x30e/0xa40 [ 583.761036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.761036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.761036][ T10] netlink_rcv_skb+0x130/0x360 [ 583.761036][ T10] netlink_unicast+0x449/0x710 [ 583.761036][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.761036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.761036][ T10] ___sys_sendmsg+0xee/0x170 [ 583.761036][ T10] __sys_sendmsg+0xcd/0x170 [ 583.761036][ T10] do_syscall_64+0xc6/0x1e0 [ 583.761036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.761036][ T10] [ 583.763031][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 583.763031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.763031][ T10] ipv6_find_idev+0x102/0x170 [ 583.763031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.763031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.763031][ T10] netlink_rcv_skb+0x130/0x360 [ 583.763031][ T10] netlink_unicast+0x449/0x710 [ 583.763031][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.763031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.763031][ T10] ___sys_sendmsg+0xee/0x170 [ 583.763031][ T10] __sys_sendmsg+0xcd/0x170 [ 583.763031][ T10] do_syscall_64+0xc6/0x1e0 [ 583.763031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.763031][ T10] [ 583.764624][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 583.764624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.764624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.764624][ T10] ipv6_find_idev+0x102/0x170 [ 583.764624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.764624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.764624][ T10] netlink_rcv_skb+0x130/0x360 [ 583.764624][ T10] netlink_unicast+0x449/0x710 [ 583.764624][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.764624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.764624][ T10] ___sys_sendmsg+0xee/0x170 [ 583.764624][ T10] __sys_sendmsg+0xcd/0x170 [ 583.764624][ T10] do_syscall_64+0xc6/0x1e0 [ 583.764624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.764624][ T10] [ 583.766295][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 583.766556][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 583.766556][ T10] netdev_get_by_index+0x5e/0x80 [ 583.766556][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.766556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.766556][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.766556][ T10] ipv6_add_addr+0x411/0x2000 [ 583.766556][ T10] inet6_addr_add+0x30e/0xa40 [ 583.766556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.766556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.766556][ T10] netlink_rcv_skb+0x130/0x360 [ 583.766556][ T10] netlink_unicast+0x449/0x710 [ 583.766556][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.766556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.766556][ T10] ___sys_sendmsg+0xee/0x170 [ 583.766556][ T10] __sys_sendmsg+0xcd/0x170 [ 583.766556][ T10] do_syscall_64+0xc6/0x1e0 [ 583.766556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.766556][ T10] [ 583.768537][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 583.768537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.768537][ T10] ipv6_find_idev+0x102/0x170 [ 583.768537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.768537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.768537][ T10] netlink_rcv_skb+0x130/0x360 [ 583.768537][ T10] netlink_unicast+0x449/0x710 [ 583.768537][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.768537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.768537][ T10] ___sys_sendmsg+0xee/0x170 [ 583.768537][ T10] __sys_sendmsg+0xcd/0x170 [ 583.768537][ T10] do_syscall_64+0xc6/0x1e0 [ 583.768537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.768537][ T10] [ 583.770031][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 583.770031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.770031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.770031][ T10] ipv6_find_idev+0x102/0x170 [ 583.770031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.770031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.770031][ T10] netlink_rcv_skb+0x130/0x360 [ 583.770031][ T10] netlink_unicast+0x449/0x710 [ 583.770031][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.770031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.770031][ T10] ___sys_sendmsg+0xee/0x170 [ 583.770031][ T10] __sys_sendmsg+0xcd/0x170 [ 583.770031][ T10] do_syscall_64+0xc6/0x1e0 [ 583.770031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.770031][ T10] [ 583.771693][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 583.771957][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 583.771957][ T10] netdev_get_by_index+0x5e/0x80 [ 583.771957][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.771957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.771957][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.771957][ T10] ipv6_add_addr+0x411/0x2000 [ 583.771957][ T10] inet6_addr_add+0x30e/0xa40 [ 583.771957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.771957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.771957][ T10] netlink_rcv_skb+0x130/0x360 [ 583.771957][ T10] netlink_unicast+0x449/0x710 [ 583.771957][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.771957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.771957][ T10] ___sys_sendmsg+0xee/0x170 [ 583.771957][ T10] __sys_sendmsg+0xcd/0x170 [ 583.771957][ T10] do_syscall_64+0xc6/0x1e0 [ 583.771957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.771957][ T10] [ 583.773912][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 583.773912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.773912][ T10] ipv6_find_idev+0x102/0x170 [ 583.773912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.773912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.773912][ T10] netlink_rcv_skb+0x130/0x360 [ 583.773912][ T10] netlink_unicast+0x449/0x710 [ 583.773912][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.773912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.773912][ T10] ___sys_sendmsg+0xee/0x170 [ 583.773912][ T10] __sys_sendmsg+0xcd/0x170 [ 583.773912][ T10] do_syscall_64+0xc6/0x1e0 [ 583.773912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.773912][ T10] [ 583.775419][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 583.775419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.775419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.775419][ T10] ipv6_find_idev+0x102/0x170 [ 583.775419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.775419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.775419][ T10] netlink_rcv_skb+0x130/0x360 [ 583.775419][ T10] netlink_unicast+0x449/0x710 [ 583.775419][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.775419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.775419][ T10] ___sys_sendmsg+0xee/0x170 [ 583.775419][ T10] __sys_sendmsg+0xcd/0x170 [ 583.775419][ T10] do_syscall_64+0xc6/0x1e0 [ 583.775419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.775419][ T10] [ 583.777086][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 583.777363][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 583.777363][ T10] netdev_get_by_index+0x5e/0x80 [ 583.777363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.777363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.777363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.777363][ T10] ipv6_add_addr+0x411/0x2000 [ 583.777363][ T10] inet6_addr_add+0x30e/0xa40 [ 583.777363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.777363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.777363][ T10] netlink_rcv_skb+0x130/0x360 [ 583.777363][ T10] netlink_unicast+0x449/0x710 [ 583.777363][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.777363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.777363][ T10] ___sys_sendmsg+0xee/0x170 [ 583.777363][ T10] __sys_sendmsg+0xcd/0x170 [ 583.777363][ T10] do_syscall_64+0xc6/0x1e0 [ 583.777363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.777363][ T10] [ 583.779295][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 583.779295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.779295][ T10] ipv6_find_idev+0x102/0x170 [ 583.779295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.779295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.779295][ T10] netlink_rcv_skb+0x130/0x360 [ 583.779295][ T10] netlink_unicast+0x449/0x710 [ 583.779295][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.779295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.779295][ T10] ___sys_sendmsg+0xee/0x170 [ 583.779295][ T10] __sys_sendmsg+0xcd/0x170 [ 583.779295][ T10] do_syscall_64+0xc6/0x1e0 [ 583.779295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.779295][ T10] [ 583.780803][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 583.780803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.780803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.780803][ T10] ipv6_find_idev+0x102/0x170 [ 583.780803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.780803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.780803][ T10] netlink_rcv_skb+0x130/0x360 [ 583.780803][ T10] netlink_unicast+0x449/0x710 [ 583.780803][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.780803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.780803][ T10] ___sys_sendmsg+0xee/0x170 [ 583.780803][ T10] __sys_sendmsg+0xcd/0x170 [ 583.780803][ T10] do_syscall_64+0xc6/0x1e0 [ 583.780803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.780803][ T10] [ 583.782452][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 583.782724][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 583.782724][ T10] netdev_get_by_index+0x5e/0x80 [ 583.782724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.782724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.782724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.782724][ T10] ipv6_add_addr+0x411/0x2000 [ 583.782724][ T10] inet6_addr_add+0x30e/0xa40 [ 583.782724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.782724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.782724][ T10] netlink_rcv_skb+0x130/0x360 [ 583.782724][ T10] netlink_unicast+0x449/0x710 [ 583.782724][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.782724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.782724][ T10] ___sys_sendmsg+0xee/0x170 [ 583.782724][ T10] __sys_sendmsg+0xcd/0x170 [ 583.782724][ T10] do_syscall_64+0xc6/0x1e0 [ 583.782724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.782724][ T10] [ 583.784624][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 583.784624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.784624][ T10] ipv6_find_idev+0x102/0x170 [ 583.784624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.784624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.784624][ T10] netlink_rcv_skb+0x130/0x360 [ 583.784624][ T10] netlink_unicast+0x449/0x710 [ 583.784624][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.784624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.784624][ T10] ___sys_sendmsg+0xee/0x170 [ 583.784624][ T10] __sys_sendmsg+0xcd/0x170 [ 583.784624][ T10] do_syscall_64+0xc6/0x1e0 [ 583.784624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.784624][ T10] [ 583.786165][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 583.786165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.786165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.786165][ T10] ipv6_find_idev+0x102/0x170 [ 583.786165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.786165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.786165][ T10] netlink_rcv_skb+0x130/0x360 [ 583.786165][ T10] netlink_unicast+0x449/0x710 [ 583.786165][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.786165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.786165][ T10] ___sys_sendmsg+0xee/0x170 [ 583.786165][ T10] __sys_sendmsg+0xcd/0x170 [ 583.786165][ T10] do_syscall_64+0xc6/0x1e0 [ 583.786165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.786165][ T10] [ 583.788373][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 583.788627][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 583.788627][ T10] netdev_get_by_index+0x5e/0x80 [ 583.788627][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.788627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.788627][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.788627][ T10] ipv6_add_addr+0x411/0x2000 [ 583.788627][ T10] inet6_addr_add+0x30e/0xa40 [ 583.788627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.788627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.788627][ T10] netlink_rcv_skb+0x130/0x360 [ 583.788627][ T10] netlink_unicast+0x449/0x710 [ 583.788627][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.788627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.788627][ T10] ___sys_sendmsg+0xee/0x170 [ 583.788627][ T10] __sys_sendmsg+0xcd/0x170 [ 583.788627][ T10] do_syscall_64+0xc6/0x1e0 [ 583.788627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.788627][ T10] [ 583.790552][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 583.790552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.790552][ T10] ipv6_find_idev+0x102/0x170 [ 583.790552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.790552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.790552][ T10] netlink_rcv_skb+0x130/0x360 [ 583.790552][ T10] netlink_unicast+0x449/0x710 [ 583.790552][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.790552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.790552][ T10] ___sys_sendmsg+0xee/0x170 [ 583.790552][ T10] __sys_sendmsg+0xcd/0x170 [ 583.790552][ T10] do_syscall_64+0xc6/0x1e0 [ 583.790552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.790552][ T10] [ 583.792123][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 583.792123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.792123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.792123][ T10] ipv6_find_idev+0x102/0x170 [ 583.792123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.792123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.792123][ T10] netlink_rcv_skb+0x130/0x360 [ 583.792123][ T10] netlink_unicast+0x449/0x710 [ 583.792123][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.792123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.792123][ T10] ___sys_sendmsg+0xee/0x170 [ 583.792123][ T10] __sys_sendmsg+0xcd/0x170 [ 583.792123][ T10] do_syscall_64+0xc6/0x1e0 [ 583.792123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.792123][ T10] [ 583.793938][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 583.794238][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 583.794238][ T10] netdev_get_by_index+0x5e/0x80 [ 583.794238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.794238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.794238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.794238][ T10] ipv6_add_addr+0x411/0x2000 [ 583.794238][ T10] inet6_addr_add+0x30e/0xa40 [ 583.794238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.794238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.794238][ T10] netlink_rcv_skb+0x130/0x360 [ 583.794238][ T10] netlink_unicast+0x449/0x710 [ 583.794238][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.794238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.794238][ T10] ___sys_sendmsg+0xee/0x170 [ 583.794238][ T10] __sys_sendmsg+0xcd/0x170 [ 583.794238][ T10] do_syscall_64+0xc6/0x1e0 [ 583.794238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.794238][ T10] [ 583.796394][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 583.796394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.796394][ T10] ipv6_find_idev+0x102/0x170 [ 583.796394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.796394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.796394][ T10] netlink_rcv_skb+0x130/0x360 [ 583.796394][ T10] netlink_unicast+0x449/0x710 [ 583.796394][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.796394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.796394][ T10] ___sys_sendmsg+0xee/0x170 [ 583.796394][ T10] __sys_sendmsg+0xcd/0x170 [ 583.796394][ T10] do_syscall_64+0xc6/0x1e0 [ 583.796394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.796394][ T10] [ 583.798028][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 583.798028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.798028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.798028][ T10] ipv6_find_idev+0x102/0x170 [ 583.798028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.798028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.798028][ T10] netlink_rcv_skb+0x130/0x360 [ 583.798028][ T10] netlink_unicast+0x449/0x710 [ 583.798028][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.798028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.798028][ T10] ___sys_sendmsg+0xee/0x170 [ 583.798028][ T10] __sys_sendmsg+0xcd/0x170 [ 583.798028][ T10] do_syscall_64+0xc6/0x1e0 [ 583.798028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.798028][ T10] [ 583.799935][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 583.800250][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 583.800250][ T10] netdev_get_by_index+0x5e/0x80 [ 583.800250][ T10] fib6_nh_init+0x3d8/0x15b0 [ 583.800250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.800250][ T10] addrconf_f6i_alloc+0x244/0x410 [ 583.800250][ T10] ipv6_add_addr+0x411/0x2000 [ 583.800250][ T10] inet6_addr_add+0x30e/0xa40 [ 583.800250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.800250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.800250][ T10] netlink_rcv_skb+0x130/0x360 [ 583.800250][ T10] netlink_unicast+0x449/0x710 [ 583.800250][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.800250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.800250][ T10] ___sys_sendmsg+0xee/0x170 [ 583.800250][ T10] __sys_sendmsg+0xcd/0x170 [ 583.800250][ T10] do_syscall_64+0xc6/0x1e0 [ 583.800250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.800250][ T10] [ 583.802418][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 583.802418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.802418][ T10] ipv6_find_idev+0x102/0x170 [ 583.802418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.802418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.802418][ T10] netlink_rcv_skb+0x130/0x360 [ 583.802418][ T10] netlink_unicast+0x449/0x710 [ 583.802418][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.802418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.802418][ T10] ___sys_sendmsg+0xee/0x170 [ 583.802418][ T10] __sys_sendmsg+0xcd/0x170 [ 583.802418][ T10] do_syscall_64+0xc6/0x1e0 [ 583.802418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.802418][ T10] [ 583.804042][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 583.804042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.804042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.804042][ T10] ipv6_find_idev+0x102/0x170 [ 583.804042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.804042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.804042][ T10] netlink_rcv_skb+0x130/0x360 [ 583.804042][ T10] netlink_unicast+0x449/0x710 [ 583.804042][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.804042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.804042][ T10] ___sys_sendmsg+0xee/0x170 [ 583.804042][ T10] __sys_sendmsg+0xcd/0x170 [ 583.804042][ T10] do_syscall_64+0xc6/0x1e0 [ 583.804042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.804042][ T10] [ 593.865210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 593.865952][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 593.865952][ T10] netdev_get_by_index+0x5e/0x80 [ 593.865952][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.865952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.865952][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.865952][ T10] ipv6_add_addr+0x411/0x2000 [ 593.865952][ T10] inet6_addr_add+0x30e/0xa40 [ 593.865952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.865952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.865952][ T10] netlink_rcv_skb+0x130/0x360 [ 593.865952][ T10] netlink_unicast+0x449/0x710 [ 593.865952][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.865952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.865952][ T10] ___sys_sendmsg+0xee/0x170 [ 593.865952][ T10] __sys_sendmsg+0xcd/0x170 [ 593.865952][ T10] do_syscall_64+0xc6/0x1e0 [ 593.865952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.865952][ T10] [ 593.868013][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 593.868013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.868013][ T10] ipv6_find_idev+0x102/0x170 [ 593.868013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.868013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.868013][ T10] netlink_rcv_skb+0x130/0x360 [ 593.868013][ T10] netlink_unicast+0x449/0x710 [ 593.868013][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.868013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.868013][ T10] ___sys_sendmsg+0xee/0x170 [ 593.868013][ T10] __sys_sendmsg+0xcd/0x170 [ 593.868013][ T10] do_syscall_64+0xc6/0x1e0 [ 593.868013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.868013][ T10] [ 593.869562][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 593.869562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.869562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.869562][ T10] ipv6_find_idev+0x102/0x170 [ 593.869562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.869562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.869562][ T10] netlink_rcv_skb+0x130/0x360 [ 593.869562][ T10] netlink_unicast+0x449/0x710 [ 593.869562][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.869562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.869562][ T10] ___sys_sendmsg+0xee/0x170 [ 593.869562][ T10] __sys_sendmsg+0xcd/0x170 [ 593.869562][ T10] do_syscall_64+0xc6/0x1e0 [ 593.869562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.869562][ T10] [ 593.871262][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 593.871545][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 593.871545][ T10] netdev_get_by_index+0x5e/0x80 [ 593.871545][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.871545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.871545][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.871545][ T10] ipv6_add_addr+0x411/0x2000 [ 593.871545][ T10] inet6_addr_add+0x30e/0xa40 [ 593.871545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.871545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.871545][ T10] netlink_rcv_skb+0x130/0x360 [ 593.871545][ T10] netlink_unicast+0x449/0x710 [ 593.871545][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.871545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.871545][ T10] ___sys_sendmsg+0xee/0x170 [ 593.871545][ T10] __sys_sendmsg+0xcd/0x170 [ 593.871545][ T10] do_syscall_64+0xc6/0x1e0 [ 593.871545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.871545][ T10] [ 593.873513][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 593.873513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.873513][ T10] ipv6_find_idev+0x102/0x170 [ 593.873513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.873513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.873513][ T10] netlink_rcv_skb+0x130/0x360 [ 593.873513][ T10] netlink_unicast+0x449/0x710 [ 593.873513][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.873513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.873513][ T10] ___sys_sendmsg+0xee/0x170 [ 593.873513][ T10] __sys_sendmsg+0xcd/0x170 [ 593.873513][ T10] do_syscall_64+0xc6/0x1e0 [ 593.873513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.873513][ T10] [ 593.875053][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 593.875053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.875053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.875053][ T10] ipv6_find_idev+0x102/0x170 [ 593.875053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.875053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.875053][ T10] netlink_rcv_skb+0x130/0x360 [ 593.875053][ T10] netlink_unicast+0x449/0x710 [ 593.875053][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.875053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.875053][ T10] ___sys_sendmsg+0xee/0x170 [ 593.875053][ T10] __sys_sendmsg+0xcd/0x170 [ 593.875053][ T10] do_syscall_64+0xc6/0x1e0 [ 593.875053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.875053][ T10] [ 593.876698][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 593.876955][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 593.876955][ T10] netdev_get_by_index+0x5e/0x80 [ 593.876955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.876955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.876955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.876955][ T10] ipv6_add_addr+0x411/0x2000 [ 593.876955][ T10] inet6_addr_add+0x30e/0xa40 [ 593.876955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.876955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.876955][ T10] netlink_rcv_skb+0x130/0x360 [ 593.876955][ T10] netlink_unicast+0x449/0x710 [ 593.876955][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.876955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.876955][ T10] ___sys_sendmsg+0xee/0x170 [ 593.876955][ T10] __sys_sendmsg+0xcd/0x170 [ 593.876955][ T10] do_syscall_64+0xc6/0x1e0 [ 593.876955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.876955][ T10] [ 593.878883][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 593.878883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.878883][ T10] ipv6_find_idev+0x102/0x170 [ 593.878883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.878883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.878883][ T10] netlink_rcv_skb+0x130/0x360 [ 593.878883][ T10] netlink_unicast+0x449/0x710 [ 593.878883][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.878883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.878883][ T10] ___sys_sendmsg+0xee/0x170 [ 593.878883][ T10] __sys_sendmsg+0xcd/0x170 [ 593.878883][ T10] do_syscall_64+0xc6/0x1e0 [ 593.878883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.878883][ T10] [ 593.880389][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 593.880389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.880389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.880389][ T10] ipv6_find_idev+0x102/0x170 [ 593.880389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.880389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.880389][ T10] netlink_rcv_skb+0x130/0x360 [ 593.880389][ T10] netlink_unicast+0x449/0x710 [ 593.880389][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.880389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.880389][ T10] ___sys_sendmsg+0xee/0x170 [ 593.880389][ T10] __sys_sendmsg+0xcd/0x170 [ 593.880389][ T10] do_syscall_64+0xc6/0x1e0 [ 593.880389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.880389][ T10] [ 593.882109][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 593.882377][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 593.882377][ T10] netdev_get_by_index+0x5e/0x80 [ 593.882377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.882377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.882377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.882377][ T10] ipv6_add_addr+0x411/0x2000 [ 593.882377][ T10] inet6_addr_add+0x30e/0xa40 [ 593.882377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.882377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.882377][ T10] netlink_rcv_skb+0x130/0x360 [ 593.882377][ T10] netlink_unicast+0x449/0x710 [ 593.882377][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.882377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.882377][ T10] ___sys_sendmsg+0xee/0x170 [ 593.882377][ T10] __sys_sendmsg+0xcd/0x170 [ 593.882377][ T10] do_syscall_64+0xc6/0x1e0 [ 593.882377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.882377][ T10] [ 593.884379][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 593.884379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.884379][ T10] ipv6_find_idev+0x102/0x170 [ 593.884379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.884379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.884379][ T10] netlink_rcv_skb+0x130/0x360 [ 593.884379][ T10] netlink_unicast+0x449/0x710 [ 593.884379][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.884379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.884379][ T10] ___sys_sendmsg+0xee/0x170 [ 593.884379][ T10] __sys_sendmsg+0xcd/0x170 [ 593.884379][ T10] do_syscall_64+0xc6/0x1e0 [ 593.884379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.884379][ T10] [ 593.885918][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 593.885918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.885918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.885918][ T10] ipv6_find_idev+0x102/0x170 [ 593.885918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.885918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.885918][ T10] netlink_rcv_skb+0x130/0x360 [ 593.885918][ T10] netlink_unicast+0x449/0x710 [ 593.885918][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.885918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.885918][ T10] ___sys_sendmsg+0xee/0x170 [ 593.885918][ T10] __sys_sendmsg+0xcd/0x170 [ 593.885918][ T10] do_syscall_64+0xc6/0x1e0 [ 593.885918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.885918][ T10] [ 593.887573][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 593.887875][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 593.887875][ T10] netdev_get_by_index+0x5e/0x80 [ 593.887875][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.887875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.887875][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.887875][ T10] ipv6_add_addr+0x411/0x2000 [ 593.887875][ T10] inet6_addr_add+0x30e/0xa40 [ 593.887875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.887875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.887875][ T10] netlink_rcv_skb+0x130/0x360 [ 593.887875][ T10] netlink_unicast+0x449/0x710 [ 593.887875][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.887875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.887875][ T10] ___sys_sendmsg+0xee/0x170 [ 593.887875][ T10] __sys_sendmsg+0xcd/0x170 [ 593.887875][ T10] do_syscall_64+0xc6/0x1e0 [ 593.887875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.887875][ T10] [ 593.889844][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 593.889844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.889844][ T10] ipv6_find_idev+0x102/0x170 [ 593.889844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.889844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.889844][ T10] netlink_rcv_skb+0x130/0x360 [ 593.889844][ T10] netlink_unicast+0x449/0x710 [ 593.889844][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.889844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.889844][ T10] ___sys_sendmsg+0xee/0x170 [ 593.889844][ T10] __sys_sendmsg+0xcd/0x170 [ 593.889844][ T10] do_syscall_64+0xc6/0x1e0 [ 593.889844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.889844][ T10] [ 593.891397][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 593.891397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.891397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.891397][ T10] ipv6_find_idev+0x102/0x170 [ 593.891397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.891397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.891397][ T10] netlink_rcv_skb+0x130/0x360 [ 593.891397][ T10] netlink_unicast+0x449/0x710 [ 593.891397][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.891397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.891397][ T10] ___sys_sendmsg+0xee/0x170 [ 593.891397][ T10] __sys_sendmsg+0xcd/0x170 [ 593.891397][ T10] do_syscall_64+0xc6/0x1e0 [ 593.891397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.891397][ T10] [ 593.893335][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 593.893643][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 593.893643][ T10] netdev_get_by_index+0x5e/0x80 [ 593.893643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.893643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.893643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.893643][ T10] ipv6_add_addr+0x411/0x2000 [ 593.893643][ T10] inet6_addr_add+0x30e/0xa40 [ 593.893643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.893643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.893643][ T10] netlink_rcv_skb+0x130/0x360 [ 593.893643][ T10] netlink_unicast+0x449/0x710 [ 593.893643][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.893643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.893643][ T10] ___sys_sendmsg+0xee/0x170 [ 593.893643][ T10] __sys_sendmsg+0xcd/0x170 [ 593.893643][ T10] do_syscall_64+0xc6/0x1e0 [ 593.893643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.893643][ T10] [ 593.895644][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 593.895644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.895644][ T10] ipv6_find_idev+0x102/0x170 [ 593.895644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.895644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.895644][ T10] netlink_rcv_skb+0x130/0x360 [ 593.895644][ T10] netlink_unicast+0x449/0x710 [ 593.895644][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.895644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.895644][ T10] ___sys_sendmsg+0xee/0x170 [ 593.895644][ T10] __sys_sendmsg+0xcd/0x170 [ 593.895644][ T10] do_syscall_64+0xc6/0x1e0 [ 593.895644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.895644][ T10] [ 593.897371][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 593.897371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.897371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.897371][ T10] ipv6_find_idev+0x102/0x170 [ 593.897371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.897371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.897371][ T10] netlink_rcv_skb+0x130/0x360 [ 593.897371][ T10] netlink_unicast+0x449/0x710 [ 593.897371][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.897371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.897371][ T10] ___sys_sendmsg+0xee/0x170 [ 593.897371][ T10] __sys_sendmsg+0xcd/0x170 [ 593.897371][ T10] do_syscall_64+0xc6/0x1e0 [ 593.897371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.897371][ T10] [ 593.899143][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 593.899452][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 593.899452][ T10] netdev_get_by_index+0x5e/0x80 [ 593.899452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.899452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.899452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.899452][ T10] ipv6_add_addr+0x411/0x2000 [ 593.899452][ T10] inet6_addr_add+0x30e/0xa40 [ 593.899452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.899452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.899452][ T10] netlink_rcv_skb+0x130/0x360 [ 593.899452][ T10] netlink_unicast+0x449/0x710 [ 593.899452][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.899452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.899452][ T10] ___sys_sendmsg+0xee/0x170 [ 593.899452][ T10] __sys_sendmsg+0xcd/0x170 [ 593.899452][ T10] do_syscall_64+0xc6/0x1e0 [ 593.899452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.899452][ T10] [ 593.901602][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 593.901602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.901602][ T10] ipv6_find_idev+0x102/0x170 [ 593.901602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.901602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.901602][ T10] netlink_rcv_skb+0x130/0x360 [ 593.901602][ T10] netlink_unicast+0x449/0x710 [ 593.901602][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.901602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.901602][ T10] ___sys_sendmsg+0xee/0x170 [ 593.901602][ T10] __sys_sendmsg+0xcd/0x170 [ 593.901602][ T10] do_syscall_64+0xc6/0x1e0 [ 593.901602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.901602][ T10] [ 593.903133][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 593.903133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.903133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.903133][ T10] ipv6_find_idev+0x102/0x170 [ 593.903133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.903133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.903133][ T10] netlink_rcv_skb+0x130/0x360 [ 593.903133][ T10] netlink_unicast+0x449/0x710 [ 593.903133][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.903133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.903133][ T10] ___sys_sendmsg+0xee/0x170 [ 593.903133][ T10] __sys_sendmsg+0xcd/0x170 [ 593.903133][ T10] do_syscall_64+0xc6/0x1e0 [ 593.903133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.903133][ T10] [ 593.905077][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 593.905397][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 593.905397][ T10] netdev_get_by_index+0x5e/0x80 [ 593.905397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 593.905397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.905397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 593.905397][ T10] ipv6_add_addr+0x411/0x2000 [ 593.905397][ T10] inet6_addr_add+0x30e/0xa40 [ 593.905397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.905397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.905397][ T10] netlink_rcv_skb+0x130/0x360 [ 593.905397][ T10] netlink_unicast+0x449/0x710 [ 593.905397][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.905397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.905397][ T10] ___sys_sendmsg+0xee/0x170 [ 593.905397][ T10] __sys_sendmsg+0xcd/0x170 [ 593.905397][ T10] do_syscall_64+0xc6/0x1e0 [ 593.905397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.905397][ T10] [ 593.907551][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 593.907551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.907551][ T10] ipv6_find_idev+0x102/0x170 [ 593.907551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.907551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.907551][ T10] netlink_rcv_skb+0x130/0x360 [ 593.907551][ T10] netlink_unicast+0x449/0x710 [ 593.907551][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.907551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.907551][ T10] ___sys_sendmsg+0xee/0x170 [ 593.907551][ T10] __sys_sendmsg+0xcd/0x170 [ 593.907551][ T10] do_syscall_64+0xc6/0x1e0 [ 593.907551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.907551][ T10] [ 593.909251][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 593.909251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.909251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.909251][ T10] ipv6_find_idev+0x102/0x170 [ 593.909251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.909251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.909251][ T10] netlink_rcv_skb+0x130/0x360 [ 593.909251][ T10] netlink_unicast+0x449/0x710 [ 593.909251][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.909251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.909251][ T10] ___sys_sendmsg+0xee/0x170 [ 593.909251][ T10] __sys_sendmsg+0xcd/0x170 [ 593.909251][ T10] do_syscall_64+0xc6/0x1e0 [ 593.909251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.909251][ T10] [ 604.000183][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 604.001020][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 604.001020][ T10] netdev_get_by_index+0x5e/0x80 [ 604.001020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.001020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.001020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.001020][ T10] ipv6_add_addr+0x411/0x2000 [ 604.001020][ T10] inet6_addr_add+0x30e/0xa40 [ 604.001020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.001020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.001020][ T10] netlink_rcv_skb+0x130/0x360 [ 604.001020][ T10] netlink_unicast+0x449/0x710 [ 604.001020][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.001020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.001020][ T10] ___sys_sendmsg+0xee/0x170 [ 604.001020][ T10] __sys_sendmsg+0xcd/0x170 [ 604.001020][ T10] do_syscall_64+0xc6/0x1e0 [ 604.001020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.001020][ T10] [ 604.003025][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 604.003025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.003025][ T10] ipv6_find_idev+0x102/0x170 [ 604.003025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.003025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.003025][ T10] netlink_rcv_skb+0x130/0x360 [ 604.003025][ T10] netlink_unicast+0x449/0x710 [ 604.003025][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.003025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.003025][ T10] ___sys_sendmsg+0xee/0x170 [ 604.003025][ T10] __sys_sendmsg+0xcd/0x170 [ 604.003025][ T10] do_syscall_64+0xc6/0x1e0 [ 604.003025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.003025][ T10] [ 604.004583][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 604.004583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.004583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.004583][ T10] ipv6_find_idev+0x102/0x170 [ 604.004583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.004583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.004583][ T10] netlink_rcv_skb+0x130/0x360 [ 604.004583][ T10] netlink_unicast+0x449/0x710 [ 604.004583][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.004583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.004583][ T10] ___sys_sendmsg+0xee/0x170 [ 604.004583][ T10] __sys_sendmsg+0xcd/0x170 [ 604.004583][ T10] do_syscall_64+0xc6/0x1e0 [ 604.004583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.004583][ T10] [ 604.006268][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 604.006533][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 604.006533][ T10] netdev_get_by_index+0x5e/0x80 [ 604.006533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.006533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.006533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.006533][ T10] ipv6_add_addr+0x411/0x2000 [ 604.006533][ T10] inet6_addr_add+0x30e/0xa40 [ 604.006533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.006533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.006533][ T10] netlink_rcv_skb+0x130/0x360 [ 604.006533][ T10] netlink_unicast+0x449/0x710 [ 604.006533][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.006533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.006533][ T10] ___sys_sendmsg+0xee/0x170 [ 604.006533][ T10] __sys_sendmsg+0xcd/0x170 [ 604.006533][ T10] do_syscall_64+0xc6/0x1e0 [ 604.006533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.006533][ T10] [ 604.008469][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 604.008469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.008469][ T10] ipv6_find_idev+0x102/0x170 [ 604.008469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.008469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.008469][ T10] netlink_rcv_skb+0x130/0x360 [ 604.008469][ T10] netlink_unicast+0x449/0x710 [ 604.008469][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.008469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.008469][ T10] ___sys_sendmsg+0xee/0x170 [ 604.008469][ T10] __sys_sendmsg+0xcd/0x170 [ 604.008469][ T10] do_syscall_64+0xc6/0x1e0 [ 604.008469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.008469][ T10] [ 604.010002][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 604.010002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.010002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.010002][ T10] ipv6_find_idev+0x102/0x170 [ 604.010002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.010002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.010002][ T10] netlink_rcv_skb+0x130/0x360 [ 604.010002][ T10] netlink_unicast+0x449/0x710 [ 604.010002][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.010002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.010002][ T10] ___sys_sendmsg+0xee/0x170 [ 604.010002][ T10] __sys_sendmsg+0xcd/0x170 [ 604.010002][ T10] do_syscall_64+0xc6/0x1e0 [ 604.010002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.010002][ T10] [ 604.011712][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 604.011973][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 604.011973][ T10] netdev_get_by_index+0x5e/0x80 [ 604.011973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.011973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.011973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.011973][ T10] ipv6_add_addr+0x411/0x2000 [ 604.011973][ T10] inet6_addr_add+0x30e/0xa40 [ 604.011973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.011973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.011973][ T10] netlink_rcv_skb+0x130/0x360 [ 604.011973][ T10] netlink_unicast+0x449/0x710 [ 604.011973][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.011973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.011973][ T10] ___sys_sendmsg+0xee/0x170 [ 604.011973][ T10] __sys_sendmsg+0xcd/0x170 [ 604.011973][ T10] do_syscall_64+0xc6/0x1e0 [ 604.011973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.011973][ T10] [ 604.013936][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 604.013936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.013936][ T10] ipv6_find_idev+0x102/0x170 [ 604.013936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.013936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.013936][ T10] netlink_rcv_skb+0x130/0x360 [ 604.013936][ T10] netlink_unicast+0x449/0x710 [ 604.013936][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.013936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.013936][ T10] ___sys_sendmsg+0xee/0x170 [ 604.013936][ T10] __sys_sendmsg+0xcd/0x170 [ 604.013936][ T10] do_syscall_64+0xc6/0x1e0 [ 604.013936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.013936][ T10] [ 604.015467][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 604.015467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.015467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.015467][ T10] ipv6_find_idev+0x102/0x170 [ 604.015467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.015467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.015467][ T10] netlink_rcv_skb+0x130/0x360 [ 604.015467][ T10] netlink_unicast+0x449/0x710 [ 604.015467][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.015467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.015467][ T10] ___sys_sendmsg+0xee/0x170 [ 604.015467][ T10] __sys_sendmsg+0xcd/0x170 [ 604.015467][ T10] do_syscall_64+0xc6/0x1e0 [ 604.015467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.015467][ T10] [ 604.017143][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 604.017413][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 604.017413][ T10] netdev_get_by_index+0x5e/0x80 [ 604.017413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.017413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.017413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.017413][ T10] ipv6_add_addr+0x411/0x2000 [ 604.017413][ T10] inet6_addr_add+0x30e/0xa40 [ 604.017413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.017413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.017413][ T10] netlink_rcv_skb+0x130/0x360 [ 604.017413][ T10] netlink_unicast+0x449/0x710 [ 604.017413][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.017413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.017413][ T10] ___sys_sendmsg+0xee/0x170 [ 604.017413][ T10] __sys_sendmsg+0xcd/0x170 [ 604.017413][ T10] do_syscall_64+0xc6/0x1e0 [ 604.017413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.017413][ T10] [ 604.019349][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 604.019349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.019349][ T10] ipv6_find_idev+0x102/0x170 [ 604.019349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.019349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.019349][ T10] netlink_rcv_skb+0x130/0x360 [ 604.019349][ T10] netlink_unicast+0x449/0x710 [ 604.019349][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.019349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.019349][ T10] ___sys_sendmsg+0xee/0x170 [ 604.019349][ T10] __sys_sendmsg+0xcd/0x170 [ 604.019349][ T10] do_syscall_64+0xc6/0x1e0 [ 604.019349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.019349][ T10] [ 604.020847][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 604.020847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.020847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.020847][ T10] ipv6_find_idev+0x102/0x170 [ 604.020847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.020847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.020847][ T10] netlink_rcv_skb+0x130/0x360 [ 604.020847][ T10] netlink_unicast+0x449/0x710 [ 604.020847][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.020847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.020847][ T10] ___sys_sendmsg+0xee/0x170 [ 604.020847][ T10] __sys_sendmsg+0xcd/0x170 [ 604.020847][ T10] do_syscall_64+0xc6/0x1e0 [ 604.020847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.020847][ T10] [ 604.022775][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 604.023060][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 604.023060][ T10] netdev_get_by_index+0x5e/0x80 [ 604.023060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.023060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.023060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.023060][ T10] ipv6_add_addr+0x411/0x2000 [ 604.023060][ T10] inet6_addr_add+0x30e/0xa40 [ 604.023060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.023060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.023060][ T10] netlink_rcv_skb+0x130/0x360 [ 604.023060][ T10] netlink_unicast+0x449/0x710 [ 604.023060][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.023060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.023060][ T10] ___sys_sendmsg+0xee/0x170 [ 604.023060][ T10] __sys_sendmsg+0xcd/0x170 [ 604.023060][ T10] do_syscall_64+0xc6/0x1e0 [ 604.023060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.023060][ T10] [ 604.025272][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 604.025272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.025272][ T10] ipv6_find_idev+0x102/0x170 [ 604.025272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.025272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.025272][ T10] netlink_rcv_skb+0x130/0x360 [ 604.025272][ T10] netlink_unicast+0x449/0x710 [ 604.025272][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.025272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.025272][ T10] ___sys_sendmsg+0xee/0x170 [ 604.025272][ T10] __sys_sendmsg+0xcd/0x170 [ 604.025272][ T10] do_syscall_64+0xc6/0x1e0 [ 604.025272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.025272][ T10] [ 604.026963][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 604.026963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.026963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.026963][ T10] ipv6_find_idev+0x102/0x170 [ 604.026963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.026963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.026963][ T10] netlink_rcv_skb+0x130/0x360 [ 604.026963][ T10] netlink_unicast+0x449/0x710 [ 604.026963][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.026963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.026963][ T10] ___sys_sendmsg+0xee/0x170 [ 604.026963][ T10] __sys_sendmsg+0xcd/0x170 [ 604.026963][ T10] do_syscall_64+0xc6/0x1e0 [ 604.026963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.026963][ T10] [ 604.029167][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 604.029865][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 604.029865][ T10] netdev_get_by_index+0x5e/0x80 [ 604.029865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.029865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.029865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.029865][ T10] ipv6_add_addr+0x411/0x2000 [ 604.029865][ T10] inet6_addr_add+0x30e/0xa40 [ 604.029865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.029865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.029865][ T10] netlink_rcv_skb+0x130/0x360 [ 604.029865][ T10] netlink_unicast+0x449/0x710 [ 604.029865][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.029865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.029865][ T10] ___sys_sendmsg+0xee/0x170 [ 604.029865][ T10] __sys_sendmsg+0xcd/0x170 [ 604.029865][ T10] do_syscall_64+0xc6/0x1e0 [ 604.029865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.029865][ T10] [ 604.031796][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 604.031796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.031796][ T10] ipv6_find_idev+0x102/0x170 [ 604.031796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.031796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.031796][ T10] netlink_rcv_skb+0x130/0x360 [ 604.031796][ T10] netlink_unicast+0x449/0x710 [ 604.031796][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.031796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.031796][ T10] ___sys_sendmsg+0xee/0x170 [ 604.031796][ T10] __sys_sendmsg+0xcd/0x170 [ 604.031796][ T10] do_syscall_64+0xc6/0x1e0 [ 604.031796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.031796][ T10] [ 604.033284][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 604.033284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.033284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.033284][ T10] ipv6_find_idev+0x102/0x170 [ 604.033284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.033284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.033284][ T10] netlink_rcv_skb+0x130/0x360 [ 604.033284][ T10] netlink_unicast+0x449/0x710 [ 604.033284][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.033284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.033284][ T10] ___sys_sendmsg+0xee/0x170 [ 604.033284][ T10] __sys_sendmsg+0xcd/0x170 [ 604.033284][ T10] do_syscall_64+0xc6/0x1e0 [ 604.033284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.033284][ T10] [ 604.034990][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 604.035311][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 604.035311][ T10] netdev_get_by_index+0x5e/0x80 [ 604.035311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.035311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.035311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.035311][ T10] ipv6_add_addr+0x411/0x2000 [ 604.035311][ T10] inet6_addr_add+0x30e/0xa40 [ 604.035311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.035311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.035311][ T10] netlink_rcv_skb+0x130/0x360 [ 604.035311][ T10] netlink_unicast+0x449/0x710 [ 604.035311][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.035311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.035311][ T10] ___sys_sendmsg+0xee/0x170 [ 604.035311][ T10] __sys_sendmsg+0xcd/0x170 [ 604.035311][ T10] do_syscall_64+0xc6/0x1e0 [ 604.035311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.035311][ T10] [ 604.037331][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 604.037331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.037331][ T10] ipv6_find_idev+0x102/0x170 [ 604.037331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.037331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.037331][ T10] netlink_rcv_skb+0x130/0x360 [ 604.037331][ T10] netlink_unicast+0x449/0x710 [ 604.037331][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.037331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.037331][ T10] ___sys_sendmsg+0xee/0x170 [ 604.037331][ T10] __sys_sendmsg+0xcd/0x170 [ 604.037331][ T10] do_syscall_64+0xc6/0x1e0 [ 604.037331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.037331][ T10] [ 604.038993][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 604.038993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.038993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.038993][ T10] ipv6_find_idev+0x102/0x170 [ 604.038993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.038993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.038993][ T10] netlink_rcv_skb+0x130/0x360 [ 604.038993][ T10] netlink_unicast+0x449/0x710 [ 604.038993][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.038993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.038993][ T10] ___sys_sendmsg+0xee/0x170 [ 604.038993][ T10] __sys_sendmsg+0xcd/0x170 [ 604.038993][ T10] do_syscall_64+0xc6/0x1e0 [ 604.038993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.038993][ T10] [ 604.040910][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 604.041229][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 604.041229][ T10] netdev_get_by_index+0x5e/0x80 [ 604.041229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.041229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.041229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.041229][ T10] ipv6_add_addr+0x411/0x2000 [ 604.041229][ T10] inet6_addr_add+0x30e/0xa40 [ 604.041229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.041229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.041229][ T10] netlink_rcv_skb+0x130/0x360 [ 604.041229][ T10] netlink_unicast+0x449/0x710 [ 604.041229][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.041229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.041229][ T10] ___sys_sendmsg+0xee/0x170 [ 604.041229][ T10] __sys_sendmsg+0xcd/0x170 [ 604.041229][ T10] do_syscall_64+0xc6/0x1e0 [ 604.041229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.041229][ T10] [ 604.043368][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 604.043368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.043368][ T10] ipv6_find_idev+0x102/0x170 [ 604.043368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.043368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.043368][ T10] netlink_rcv_skb+0x130/0x360 [ 604.043368][ T10] netlink_unicast+0x449/0x710 [ 604.043368][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.043368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.043368][ T10] ___sys_sendmsg+0xee/0x170 [ 604.043368][ T10] __sys_sendmsg+0xcd/0x170 [ 604.043368][ T10] do_syscall_64+0xc6/0x1e0 [ 604.043368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.043368][ T10] [ 604.045101][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 604.045101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.045101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.045101][ T10] ipv6_find_idev+0x102/0x170 [ 604.045101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.045101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.045101][ T10] netlink_rcv_skb+0x130/0x360 [ 604.045101][ T10] netlink_unicast+0x449/0x710 [ 604.045101][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.045101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.045101][ T10] ___sys_sendmsg+0xee/0x170 [ 604.045101][ T10] __sys_sendmsg+0xcd/0x170 [ 604.045101][ T10] do_syscall_64+0xc6/0x1e0 [ 604.045101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.045101][ T10] [ 614.144298][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 614.144922][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 614.144922][ T10] netdev_get_by_index+0x5e/0x80 [ 614.144922][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.144922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.144922][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.144922][ T10] ipv6_add_addr+0x411/0x2000 [ 614.144922][ T10] inet6_addr_add+0x30e/0xa40 [ 614.144922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.144922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.144922][ T10] netlink_rcv_skb+0x130/0x360 [ 614.144922][ T10] netlink_unicast+0x449/0x710 [ 614.144922][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.144922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.144922][ T10] ___sys_sendmsg+0xee/0x170 [ 614.144922][ T10] __sys_sendmsg+0xcd/0x170 [ 614.144922][ T10] do_syscall_64+0xc6/0x1e0 [ 614.144922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.144922][ T10] [ 614.146904][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 614.146904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.146904][ T10] ipv6_find_idev+0x102/0x170 [ 614.146904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.146904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.146904][ T10] netlink_rcv_skb+0x130/0x360 [ 614.146904][ T10] netlink_unicast+0x449/0x710 [ 614.146904][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.146904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.146904][ T10] ___sys_sendmsg+0xee/0x170 [ 614.146904][ T10] __sys_sendmsg+0xcd/0x170 [ 614.146904][ T10] do_syscall_64+0xc6/0x1e0 [ 614.146904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.146904][ T10] [ 614.148395][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 614.148395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.148395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.148395][ T10] ipv6_find_idev+0x102/0x170 [ 614.148395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.148395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.148395][ T10] netlink_rcv_skb+0x130/0x360 [ 614.148395][ T10] netlink_unicast+0x449/0x710 [ 614.148395][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.148395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.148395][ T10] ___sys_sendmsg+0xee/0x170 [ 614.148395][ T10] __sys_sendmsg+0xcd/0x170 [ 614.148395][ T10] do_syscall_64+0xc6/0x1e0 [ 614.148395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.148395][ T10] [ 614.150065][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 614.150521][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 614.150521][ T10] netdev_get_by_index+0x5e/0x80 [ 614.150521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.150521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.150521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.150521][ T10] ipv6_add_addr+0x411/0x2000 [ 614.150521][ T10] inet6_addr_add+0x30e/0xa40 [ 614.150521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.150521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.150521][ T10] netlink_rcv_skb+0x130/0x360 [ 614.150521][ T10] netlink_unicast+0x449/0x710 [ 614.150521][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.150521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.150521][ T10] ___sys_sendmsg+0xee/0x170 [ 614.150521][ T10] __sys_sendmsg+0xcd/0x170 [ 614.150521][ T10] do_syscall_64+0xc6/0x1e0 [ 614.150521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.150521][ T10] [ 614.152510][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 614.152510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.152510][ T10] ipv6_find_idev+0x102/0x170 [ 614.152510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.152510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.152510][ T10] netlink_rcv_skb+0x130/0x360 [ 614.152510][ T10] netlink_unicast+0x449/0x710 [ 614.152510][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.152510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.152510][ T10] ___sys_sendmsg+0xee/0x170 [ 614.152510][ T10] __sys_sendmsg+0xcd/0x170 [ 614.152510][ T10] do_syscall_64+0xc6/0x1e0 [ 614.152510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.152510][ T10] [ 614.154022][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 614.154022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.154022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.154022][ T10] ipv6_find_idev+0x102/0x170 [ 614.154022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.154022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.154022][ T10] netlink_rcv_skb+0x130/0x360 [ 614.154022][ T10] netlink_unicast+0x449/0x710 [ 614.154022][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.154022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.154022][ T10] ___sys_sendmsg+0xee/0x170 [ 614.154022][ T10] __sys_sendmsg+0xcd/0x170 [ 614.154022][ T10] do_syscall_64+0xc6/0x1e0 [ 614.154022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.154022][ T10] [ 614.155715][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 614.155976][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 614.155976][ T10] netdev_get_by_index+0x5e/0x80 [ 614.155976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.155976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.155976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.155976][ T10] ipv6_add_addr+0x411/0x2000 [ 614.155976][ T10] inet6_addr_add+0x30e/0xa40 [ 614.155976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.155976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.155976][ T10] netlink_rcv_skb+0x130/0x360 [ 614.155976][ T10] netlink_unicast+0x449/0x710 [ 614.155976][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.155976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.155976][ T10] ___sys_sendmsg+0xee/0x170 [ 614.155976][ T10] __sys_sendmsg+0xcd/0x170 [ 614.155976][ T10] do_syscall_64+0xc6/0x1e0 [ 614.155976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.155976][ T10] [ 614.157958][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 614.157958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.157958][ T10] ipv6_find_idev+0x102/0x170 [ 614.157958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.157958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.157958][ T10] netlink_rcv_skb+0x130/0x360 [ 614.157958][ T10] netlink_unicast+0x449/0x710 [ 614.157958][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.157958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.157958][ T10] ___sys_sendmsg+0xee/0x170 [ 614.157958][ T10] __sys_sendmsg+0xcd/0x170 [ 614.157958][ T10] do_syscall_64+0xc6/0x1e0 [ 614.157958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.157958][ T10] [ 614.159507][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 614.159507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.159507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.159507][ T10] ipv6_find_idev+0x102/0x170 [ 614.159507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.159507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.159507][ T10] netlink_rcv_skb+0x130/0x360 [ 614.159507][ T10] netlink_unicast+0x449/0x710 [ 614.159507][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.159507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.159507][ T10] ___sys_sendmsg+0xee/0x170 [ 614.159507][ T10] __sys_sendmsg+0xcd/0x170 [ 614.159507][ T10] do_syscall_64+0xc6/0x1e0 [ 614.159507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.159507][ T10] [ 614.161227][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 614.161495][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 614.161495][ T10] netdev_get_by_index+0x5e/0x80 [ 614.161495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.161495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.161495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.161495][ T10] ipv6_add_addr+0x411/0x2000 [ 614.161495][ T10] inet6_addr_add+0x30e/0xa40 [ 614.161495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.161495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.161495][ T10] netlink_rcv_skb+0x130/0x360 [ 614.161495][ T10] netlink_unicast+0x449/0x710 [ 614.161495][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.161495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.161495][ T10] ___sys_sendmsg+0xee/0x170 [ 614.161495][ T10] __sys_sendmsg+0xcd/0x170 [ 614.161495][ T10] do_syscall_64+0xc6/0x1e0 [ 614.161495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.161495][ T10] [ 614.163451][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 614.163451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.163451][ T10] ipv6_find_idev+0x102/0x170 [ 614.163451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.163451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.163451][ T10] netlink_rcv_skb+0x130/0x360 [ 614.163451][ T10] netlink_unicast+0x449/0x710 [ 614.163451][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.163451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.163451][ T10] ___sys_sendmsg+0xee/0x170 [ 614.163451][ T10] __sys_sendmsg+0xcd/0x170 [ 614.163451][ T10] do_syscall_64+0xc6/0x1e0 [ 614.163451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.163451][ T10] [ 614.164941][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 614.164941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.164941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.164941][ T10] ipv6_find_idev+0x102/0x170 [ 614.164941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.164941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.164941][ T10] netlink_rcv_skb+0x130/0x360 [ 614.164941][ T10] netlink_unicast+0x449/0x710 [ 614.164941][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.164941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.164941][ T10] ___sys_sendmsg+0xee/0x170 [ 614.164941][ T10] __sys_sendmsg+0xcd/0x170 [ 614.164941][ T10] do_syscall_64+0xc6/0x1e0 [ 614.164941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.164941][ T10] [ 614.166818][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 614.167098][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 614.167098][ T10] netdev_get_by_index+0x5e/0x80 [ 614.167098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.167098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.167098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.167098][ T10] ipv6_add_addr+0x411/0x2000 [ 614.167098][ T10] inet6_addr_add+0x30e/0xa40 [ 614.167098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.167098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.167098][ T10] netlink_rcv_skb+0x130/0x360 [ 614.167098][ T10] netlink_unicast+0x449/0x710 [ 614.167098][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.167098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.167098][ T10] ___sys_sendmsg+0xee/0x170 [ 614.167098][ T10] __sys_sendmsg+0xcd/0x170 [ 614.167098][ T10] do_syscall_64+0xc6/0x1e0 [ 614.167098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.167098][ T10] [ 614.169410][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 614.169410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.169410][ T10] ipv6_find_idev+0x102/0x170 [ 614.169410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.169410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.169410][ T10] netlink_rcv_skb+0x130/0x360 [ 614.169410][ T10] netlink_unicast+0x449/0x710 [ 614.169410][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.169410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.169410][ T10] ___sys_sendmsg+0xee/0x170 [ 614.169410][ T10] __sys_sendmsg+0xcd/0x170 [ 614.169410][ T10] do_syscall_64+0xc6/0x1e0 [ 614.169410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.169410][ T10] [ 614.171120][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 614.171120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.171120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.171120][ T10] ipv6_find_idev+0x102/0x170 [ 614.171120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.171120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.171120][ T10] netlink_rcv_skb+0x130/0x360 [ 614.171120][ T10] netlink_unicast+0x449/0x710 [ 614.171120][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.171120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.171120][ T10] ___sys_sendmsg+0xee/0x170 [ 614.171120][ T10] __sys_sendmsg+0xcd/0x170 [ 614.171120][ T10] do_syscall_64+0xc6/0x1e0 [ 614.171120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.171120][ T10] [ 614.173013][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 614.173334][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 614.173334][ T10] netdev_get_by_index+0x5e/0x80 [ 614.173334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.173334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.173334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.173334][ T10] ipv6_add_addr+0x411/0x2000 [ 614.173334][ T10] inet6_addr_add+0x30e/0xa40 [ 614.173334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.173334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.173334][ T10] netlink_rcv_skb+0x130/0x360 [ 614.173334][ T10] netlink_unicast+0x449/0x710 [ 614.173334][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.173334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.173334][ T10] ___sys_sendmsg+0xee/0x170 [ 614.173334][ T10] __sys_sendmsg+0xcd/0x170 [ 614.173334][ T10] do_syscall_64+0xc6/0x1e0 [ 614.173334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.173334][ T10] [ 614.175488][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 614.175488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.175488][ T10] ipv6_find_idev+0x102/0x170 [ 614.175488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.175488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.175488][ T10] netlink_rcv_skb+0x130/0x360 [ 614.175488][ T10] netlink_unicast+0x449/0x710 [ 614.175488][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.175488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.175488][ T10] ___sys_sendmsg+0xee/0x170 [ 614.175488][ T10] __sys_sendmsg+0xcd/0x170 [ 614.175488][ T10] do_syscall_64+0xc6/0x1e0 [ 614.175488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.175488][ T10] [ 614.177209][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 614.177209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.177209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.177209][ T10] ipv6_find_idev+0x102/0x170 [ 614.177209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.177209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.177209][ T10] netlink_rcv_skb+0x130/0x360 [ 614.177209][ T10] netlink_unicast+0x449/0x710 [ 614.177209][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.177209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.177209][ T10] ___sys_sendmsg+0xee/0x170 [ 614.177209][ T10] __sys_sendmsg+0xcd/0x170 [ 614.177209][ T10] do_syscall_64+0xc6/0x1e0 [ 614.177209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.177209][ T10] [ 614.179076][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 614.179406][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 614.179406][ T10] netdev_get_by_index+0x5e/0x80 [ 614.179406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.179406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.179406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.179406][ T10] ipv6_add_addr+0x411/0x2000 [ 614.179406][ T10] inet6_addr_add+0x30e/0xa40 [ 614.179406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.179406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.179406][ T10] netlink_rcv_skb+0x130/0x360 [ 614.179406][ T10] netlink_unicast+0x449/0x710 [ 614.179406][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.179406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.179406][ T10] ___sys_sendmsg+0xee/0x170 [ 614.179406][ T10] __sys_sendmsg+0xcd/0x170 [ 614.179406][ T10] do_syscall_64+0xc6/0x1e0 [ 614.179406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.179406][ T10] [ 614.181414][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 614.181414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.181414][ T10] ipv6_find_idev+0x102/0x170 [ 614.181414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.181414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.181414][ T10] netlink_rcv_skb+0x130/0x360 [ 614.181414][ T10] netlink_unicast+0x449/0x710 [ 614.181414][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.181414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.181414][ T10] ___sys_sendmsg+0xee/0x170 [ 614.181414][ T10] __sys_sendmsg+0xcd/0x170 [ 614.181414][ T10] do_syscall_64+0xc6/0x1e0 [ 614.181414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.181414][ T10] [ 614.183112][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 614.183112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.183112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.183112][ T10] ipv6_find_idev+0x102/0x170 [ 614.183112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.183112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.183112][ T10] netlink_rcv_skb+0x130/0x360 [ 614.183112][ T10] netlink_unicast+0x449/0x710 [ 614.183112][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.183112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.183112][ T10] ___sys_sendmsg+0xee/0x170 [ 614.183112][ T10] __sys_sendmsg+0xcd/0x170 [ 614.183112][ T10] do_syscall_64+0xc6/0x1e0 [ 614.183112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.183112][ T10] [ 614.184926][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 614.185253][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 614.185253][ T10] netdev_get_by_index+0x5e/0x80 [ 614.185253][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.185253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.185253][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.185253][ T10] ipv6_add_addr+0x411/0x2000 [ 614.185253][ T10] inet6_addr_add+0x30e/0xa40 [ 614.185253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.185253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.185253][ T10] netlink_rcv_skb+0x130/0x360 [ 614.185253][ T10] netlink_unicast+0x449/0x710 [ 614.185253][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.185253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.185253][ T10] ___sys_sendmsg+0xee/0x170 [ 614.185253][ T10] __sys_sendmsg+0xcd/0x170 [ 614.185253][ T10] do_syscall_64+0xc6/0x1e0 [ 614.185253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.185253][ T10] [ 614.187434][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 614.187434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.187434][ T10] ipv6_find_idev+0x102/0x170 [ 614.187434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.187434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.187434][ T10] netlink_rcv_skb+0x130/0x360 [ 614.187434][ T10] netlink_unicast+0x449/0x710 [ 614.187434][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.187434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.187434][ T10] ___sys_sendmsg+0xee/0x170 [ 614.187434][ T10] __sys_sendmsg+0xcd/0x170 [ 614.187434][ T10] do_syscall_64+0xc6/0x1e0 [ 614.187434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.187434][ T10] [ 614.189147][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 614.189147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.189147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.189147][ T10] ipv6_find_idev+0x102/0x170 [ 614.189147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.189147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.189147][ T10] netlink_rcv_skb+0x130/0x360 [ 614.189147][ T10] netlink_unicast+0x449/0x710 [ 614.189147][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.189147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.189147][ T10] ___sys_sendmsg+0xee/0x170 [ 614.189147][ T10] __sys_sendmsg+0xcd/0x170 [ 614.189147][ T10] do_syscall_64+0xc6/0x1e0 [ 614.189147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.189147][ T10] [ 624.280276][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 624.281149][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 624.281149][ T10] netdev_get_by_index+0x5e/0x80 [ 624.281149][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.281149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.281149][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.281149][ T10] ipv6_add_addr+0x411/0x2000 [ 624.281149][ T10] inet6_addr_add+0x30e/0xa40 [ 624.281149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.281149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.281149][ T10] netlink_rcv_skb+0x130/0x360 [ 624.281149][ T10] netlink_unicast+0x449/0x710 [ 624.281149][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.281149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.281149][ T10] ___sys_sendmsg+0xee/0x170 [ 624.281149][ T10] __sys_sendmsg+0xcd/0x170 [ 624.281149][ T10] do_syscall_64+0xc6/0x1e0 [ 624.281149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.281149][ T10] [ 624.283194][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 624.283194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.283194][ T10] ipv6_find_idev+0x102/0x170 [ 624.283194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.283194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.283194][ T10] netlink_rcv_skb+0x130/0x360 [ 624.283194][ T10] netlink_unicast+0x449/0x710 [ 624.283194][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.283194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.283194][ T10] ___sys_sendmsg+0xee/0x170 [ 624.283194][ T10] __sys_sendmsg+0xcd/0x170 [ 624.283194][ T10] do_syscall_64+0xc6/0x1e0 [ 624.283194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.283194][ T10] [ 624.284746][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 624.284746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.284746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.284746][ T10] ipv6_find_idev+0x102/0x170 [ 624.284746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.284746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.284746][ T10] netlink_rcv_skb+0x130/0x360 [ 624.284746][ T10] netlink_unicast+0x449/0x710 [ 624.284746][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.284746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.284746][ T10] ___sys_sendmsg+0xee/0x170 [ 624.284746][ T10] __sys_sendmsg+0xcd/0x170 [ 624.284746][ T10] do_syscall_64+0xc6/0x1e0 [ 624.284746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.284746][ T10] [ 624.286595][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 624.286877][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 624.286877][ T10] netdev_get_by_index+0x5e/0x80 [ 624.286877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.286877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.286877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.286877][ T10] ipv6_add_addr+0x411/0x2000 [ 624.286877][ T10] inet6_addr_add+0x30e/0xa40 [ 624.286877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.286877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.286877][ T10] netlink_rcv_skb+0x130/0x360 [ 624.286877][ T10] netlink_unicast+0x449/0x710 [ 624.286877][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.286877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.286877][ T10] ___sys_sendmsg+0xee/0x170 [ 624.286877][ T10] __sys_sendmsg+0xcd/0x170 [ 624.286877][ T10] do_syscall_64+0xc6/0x1e0 [ 624.286877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.286877][ T10] [ 624.288823][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 624.288823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.288823][ T10] ipv6_find_idev+0x102/0x170 [ 624.288823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.288823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.288823][ T10] netlink_rcv_skb+0x130/0x360 [ 624.288823][ T10] netlink_unicast+0x449/0x710 [ 624.288823][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.288823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.288823][ T10] ___sys_sendmsg+0xee/0x170 [ 624.288823][ T10] __sys_sendmsg+0xcd/0x170 [ 624.288823][ T10] do_syscall_64+0xc6/0x1e0 [ 624.288823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.288823][ T10] [ 624.290330][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 624.290330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.290330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.290330][ T10] ipv6_find_idev+0x102/0x170 [ 624.290330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.290330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.290330][ T10] netlink_rcv_skb+0x130/0x360 [ 624.290330][ T10] netlink_unicast+0x449/0x710 [ 624.290330][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.290330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.290330][ T10] ___sys_sendmsg+0xee/0x170 [ 624.290330][ T10] __sys_sendmsg+0xcd/0x170 [ 624.290330][ T10] do_syscall_64+0xc6/0x1e0 [ 624.290330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.290330][ T10] [ 624.292149][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 624.292499][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 624.292499][ T10] netdev_get_by_index+0x5e/0x80 [ 624.292499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.292499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.292499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.292499][ T10] ipv6_add_addr+0x411/0x2000 [ 624.292499][ T10] inet6_addr_add+0x30e/0xa40 [ 624.292499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.292499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.292499][ T10] netlink_rcv_skb+0x130/0x360 [ 624.292499][ T10] netlink_unicast+0x449/0x710 [ 624.292499][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.292499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.292499][ T10] ___sys_sendmsg+0xee/0x170 [ 624.292499][ T10] __sys_sendmsg+0xcd/0x170 [ 624.292499][ T10] do_syscall_64+0xc6/0x1e0 [ 624.292499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.292499][ T10] [ 624.294526][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 624.294526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.294526][ T10] ipv6_find_idev+0x102/0x170 [ 624.294526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.294526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.294526][ T10] netlink_rcv_skb+0x130/0x360 [ 624.294526][ T10] netlink_unicast+0x449/0x710 [ 624.294526][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.294526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.294526][ T10] ___sys_sendmsg+0xee/0x170 [ 624.294526][ T10] __sys_sendmsg+0xcd/0x170 [ 624.294526][ T10] do_syscall_64+0xc6/0x1e0 [ 624.294526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.294526][ T10] [ 624.296049][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 624.296049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.296049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.296049][ T10] ipv6_find_idev+0x102/0x170 [ 624.296049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.296049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.296049][ T10] netlink_rcv_skb+0x130/0x360 [ 624.296049][ T10] netlink_unicast+0x449/0x710 [ 624.296049][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.296049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.296049][ T10] ___sys_sendmsg+0xee/0x170 [ 624.296049][ T10] __sys_sendmsg+0xcd/0x170 [ 624.296049][ T10] do_syscall_64+0xc6/0x1e0 [ 624.296049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.296049][ T10] [ 624.297700][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 624.297959][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 624.297959][ T10] netdev_get_by_index+0x5e/0x80 [ 624.297959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.297959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.297959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.297959][ T10] ipv6_add_addr+0x411/0x2000 [ 624.297959][ T10] inet6_addr_add+0x30e/0xa40 [ 624.297959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.297959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.297959][ T10] netlink_rcv_skb+0x130/0x360 [ 624.297959][ T10] netlink_unicast+0x449/0x710 [ 624.297959][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.297959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.297959][ T10] ___sys_sendmsg+0xee/0x170 [ 624.297959][ T10] __sys_sendmsg+0xcd/0x170 [ 624.297959][ T10] do_syscall_64+0xc6/0x1e0 [ 624.297959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.297959][ T10] [ 624.299881][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 624.299881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.299881][ T10] ipv6_find_idev+0x102/0x170 [ 624.299881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.299881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.299881][ T10] netlink_rcv_skb+0x130/0x360 [ 624.299881][ T10] netlink_unicast+0x449/0x710 [ 624.299881][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.299881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.299881][ T10] ___sys_sendmsg+0xee/0x170 [ 624.299881][ T10] __sys_sendmsg+0xcd/0x170 [ 624.299881][ T10] do_syscall_64+0xc6/0x1e0 [ 624.299881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.299881][ T10] [ 624.301367][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 624.301367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.301367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.301367][ T10] ipv6_find_idev+0x102/0x170 [ 624.301367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.301367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.301367][ T10] netlink_rcv_skb+0x130/0x360 [ 624.301367][ T10] netlink_unicast+0x449/0x710 [ 624.301367][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.301367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.301367][ T10] ___sys_sendmsg+0xee/0x170 [ 624.301367][ T10] __sys_sendmsg+0xcd/0x170 [ 624.301367][ T10] do_syscall_64+0xc6/0x1e0 [ 624.301367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.301367][ T10] [ 624.303607][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 624.304239][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 624.304239][ T10] netdev_get_by_index+0x5e/0x80 [ 624.304239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.304239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.304239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.304239][ T10] ipv6_add_addr+0x411/0x2000 [ 624.304239][ T10] inet6_addr_add+0x30e/0xa40 [ 624.304239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.304239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.304239][ T10] netlink_rcv_skb+0x130/0x360 [ 624.304239][ T10] netlink_unicast+0x449/0x710 [ 624.304239][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.304239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.304239][ T10] ___sys_sendmsg+0xee/0x170 [ 624.304239][ T10] __sys_sendmsg+0xcd/0x170 [ 624.304239][ T10] do_syscall_64+0xc6/0x1e0 [ 624.304239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.304239][ T10] [ 624.306202][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 624.306202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.306202][ T10] ipv6_find_idev+0x102/0x170 [ 624.306202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.306202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.306202][ T10] netlink_rcv_skb+0x130/0x360 [ 624.306202][ T10] netlink_unicast+0x449/0x710 [ 624.306202][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.306202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.306202][ T10] ___sys_sendmsg+0xee/0x170 [ 624.306202][ T10] __sys_sendmsg+0xcd/0x170 [ 624.306202][ T10] do_syscall_64+0xc6/0x1e0 [ 624.306202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.306202][ T10] [ 624.307679][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 624.307679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.307679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.307679][ T10] ipv6_find_idev+0x102/0x170 [ 624.307679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.307679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.307679][ T10] netlink_rcv_skb+0x130/0x360 [ 624.307679][ T10] netlink_unicast+0x449/0x710 [ 624.307679][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.307679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.307679][ T10] ___sys_sendmsg+0xee/0x170 [ 624.307679][ T10] __sys_sendmsg+0xcd/0x170 [ 624.307679][ T10] do_syscall_64+0xc6/0x1e0 [ 624.307679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.307679][ T10] [ 624.309404][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 624.309903][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 624.309903][ T10] netdev_get_by_index+0x5e/0x80 [ 624.309903][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.309903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.309903][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.309903][ T10] ipv6_add_addr+0x411/0x2000 [ 624.309903][ T10] inet6_addr_add+0x30e/0xa40 [ 624.309903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.309903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.309903][ T10] netlink_rcv_skb+0x130/0x360 [ 624.309903][ T10] netlink_unicast+0x449/0x710 [ 624.309903][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.309903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.309903][ T10] ___sys_sendmsg+0xee/0x170 [ 624.309903][ T10] __sys_sendmsg+0xcd/0x170 [ 624.309903][ T10] do_syscall_64+0xc6/0x1e0 [ 624.309903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.309903][ T10] [ 624.311866][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 624.311866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.311866][ T10] ipv6_find_idev+0x102/0x170 [ 624.311866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.311866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.311866][ T10] netlink_rcv_skb+0x130/0x360 [ 624.311866][ T10] netlink_unicast+0x449/0x710 [ 624.311866][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.311866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.311866][ T10] ___sys_sendmsg+0xee/0x170 [ 624.311866][ T10] __sys_sendmsg+0xcd/0x170 [ 624.311866][ T10] do_syscall_64+0xc6/0x1e0 [ 624.311866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.311866][ T10] [ 624.313411][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 624.313411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.313411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.313411][ T10] ipv6_find_idev+0x102/0x170 [ 624.313411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.313411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.313411][ T10] netlink_rcv_skb+0x130/0x360 [ 624.313411][ T10] netlink_unicast+0x449/0x710 [ 624.313411][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.313411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.313411][ T10] ___sys_sendmsg+0xee/0x170 [ 624.313411][ T10] __sys_sendmsg+0xcd/0x170 [ 624.313411][ T10] do_syscall_64+0xc6/0x1e0 [ 624.313411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.313411][ T10] [ 624.315399][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 624.315909][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 624.315909][ T10] netdev_get_by_index+0x5e/0x80 [ 624.315909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.315909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.315909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.315909][ T10] ipv6_add_addr+0x411/0x2000 [ 624.315909][ T10] inet6_addr_add+0x30e/0xa40 [ 624.315909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.315909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.315909][ T10] netlink_rcv_skb+0x130/0x360 [ 624.315909][ T10] netlink_unicast+0x449/0x710 [ 624.315909][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.315909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.315909][ T10] ___sys_sendmsg+0xee/0x170 [ 624.315909][ T10] __sys_sendmsg+0xcd/0x170 [ 624.315909][ T10] do_syscall_64+0xc6/0x1e0 [ 624.315909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.315909][ T10] [ 624.318080][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 624.318080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.318080][ T10] ipv6_find_idev+0x102/0x170 [ 624.318080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.318080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.318080][ T10] netlink_rcv_skb+0x130/0x360 [ 624.318080][ T10] netlink_unicast+0x449/0x710 [ 624.318080][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.318080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.318080][ T10] ___sys_sendmsg+0xee/0x170 [ 624.318080][ T10] __sys_sendmsg+0xcd/0x170 [ 624.318080][ T10] do_syscall_64+0xc6/0x1e0 [ 624.318080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.318080][ T10] [ 624.319811][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 624.319811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.319811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.319811][ T10] ipv6_find_idev+0x102/0x170 [ 624.319811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.319811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.319811][ T10] netlink_rcv_skb+0x130/0x360 [ 624.319811][ T10] netlink_unicast+0x449/0x710 [ 624.319811][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.319811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.319811][ T10] ___sys_sendmsg+0xee/0x170 [ 624.319811][ T10] __sys_sendmsg+0xcd/0x170 [ 624.319811][ T10] do_syscall_64+0xc6/0x1e0 [ 624.319811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.319811][ T10] [ 624.321701][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 624.322116][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 624.322116][ T10] netdev_get_by_index+0x5e/0x80 [ 624.322116][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.322116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.322116][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.322116][ T10] ipv6_add_addr+0x411/0x2000 [ 624.322116][ T10] inet6_addr_add+0x30e/0xa40 [ 624.322116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.322116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.322116][ T10] netlink_rcv_skb+0x130/0x360 [ 624.322116][ T10] netlink_unicast+0x449/0x710 [ 624.322116][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.322116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.322116][ T10] ___sys_sendmsg+0xee/0x170 [ 624.322116][ T10] __sys_sendmsg+0xcd/0x170 [ 624.322116][ T10] do_syscall_64+0xc6/0x1e0 [ 624.322116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.322116][ T10] [ 624.324292][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 624.324292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.324292][ T10] ipv6_find_idev+0x102/0x170 [ 624.324292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.324292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.324292][ T10] netlink_rcv_skb+0x130/0x360 [ 624.324292][ T10] netlink_unicast+0x449/0x710 [ 624.324292][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.324292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.324292][ T10] ___sys_sendmsg+0xee/0x170 [ 624.324292][ T10] __sys_sendmsg+0xcd/0x170 [ 624.324292][ T10] do_syscall_64+0xc6/0x1e0 [ 624.324292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.324292][ T10] [ 624.325990][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 624.325990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.325990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.325990][ T10] ipv6_find_idev+0x102/0x170 [ 624.325990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.325990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.325990][ T10] netlink_rcv_skb+0x130/0x360 [ 624.325990][ T10] netlink_unicast+0x449/0x710 [ 624.325990][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.325990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.325990][ T10] ___sys_sendmsg+0xee/0x170 [ 624.325990][ T10] __sys_sendmsg+0xcd/0x170 [ 624.325990][ T10] do_syscall_64+0xc6/0x1e0 [ 624.325990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.325990][ T10] [ 634.440516][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 634.441158][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 634.441158][ T10] netdev_get_by_index+0x5e/0x80 [ 634.441158][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.441158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.441158][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.441158][ T10] ipv6_add_addr+0x411/0x2000 [ 634.441158][ T10] inet6_addr_add+0x30e/0xa40 [ 634.441158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.441158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.441158][ T10] netlink_rcv_skb+0x130/0x360 [ 634.441158][ T10] netlink_unicast+0x449/0x710 [ 634.441158][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.441158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.441158][ T10] ___sys_sendmsg+0xee/0x170 [ 634.441158][ T10] __sys_sendmsg+0xcd/0x170 [ 634.441158][ T10] do_syscall_64+0xc6/0x1e0 [ 634.441158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.441158][ T10] [ 634.443274][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 634.443274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.443274][ T10] ipv6_find_idev+0x102/0x170 [ 634.443274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.443274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.443274][ T10] netlink_rcv_skb+0x130/0x360 [ 634.443274][ T10] netlink_unicast+0x449/0x710 [ 634.443274][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.443274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.443274][ T10] ___sys_sendmsg+0xee/0x170 [ 634.443274][ T10] __sys_sendmsg+0xcd/0x170 [ 634.443274][ T10] do_syscall_64+0xc6/0x1e0 [ 634.443274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.443274][ T10] [ 634.444761][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 634.444761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.444761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.444761][ T10] ipv6_find_idev+0x102/0x170 [ 634.444761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.444761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.444761][ T10] netlink_rcv_skb+0x130/0x360 [ 634.444761][ T10] netlink_unicast+0x449/0x710 [ 634.444761][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.444761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.444761][ T10] ___sys_sendmsg+0xee/0x170 [ 634.444761][ T10] __sys_sendmsg+0xcd/0x170 [ 634.444761][ T10] do_syscall_64+0xc6/0x1e0 [ 634.444761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.444761][ T10] [ 634.446470][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 634.446748][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 634.446748][ T10] netdev_get_by_index+0x5e/0x80 [ 634.446748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.446748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.446748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.446748][ T10] ipv6_add_addr+0x411/0x2000 [ 634.446748][ T10] inet6_addr_add+0x30e/0xa40 [ 634.446748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.446748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.446748][ T10] netlink_rcv_skb+0x130/0x360 [ 634.446748][ T10] netlink_unicast+0x449/0x710 [ 634.446748][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.446748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.446748][ T10] ___sys_sendmsg+0xee/0x170 [ 634.446748][ T10] __sys_sendmsg+0xcd/0x170 [ 634.446748][ T10] do_syscall_64+0xc6/0x1e0 [ 634.446748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.446748][ T10] [ 634.448754][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 634.448754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.448754][ T10] ipv6_find_idev+0x102/0x170 [ 634.448754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.448754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.448754][ T10] netlink_rcv_skb+0x130/0x360 [ 634.448754][ T10] netlink_unicast+0x449/0x710 [ 634.448754][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.448754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.448754][ T10] ___sys_sendmsg+0xee/0x170 [ 634.448754][ T10] __sys_sendmsg+0xcd/0x170 [ 634.448754][ T10] do_syscall_64+0xc6/0x1e0 [ 634.448754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.448754][ T10] [ 634.450303][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 634.450303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.450303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.450303][ T10] ipv6_find_idev+0x102/0x170 [ 634.450303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.450303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.450303][ T10] netlink_rcv_skb+0x130/0x360 [ 634.450303][ T10] netlink_unicast+0x449/0x710 [ 634.450303][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.450303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.450303][ T10] ___sys_sendmsg+0xee/0x170 [ 634.450303][ T10] __sys_sendmsg+0xcd/0x170 [ 634.450303][ T10] do_syscall_64+0xc6/0x1e0 [ 634.450303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.450303][ T10] [ 634.451940][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 634.452210][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 634.452210][ T10] netdev_get_by_index+0x5e/0x80 [ 634.452210][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.452210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.452210][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.452210][ T10] ipv6_add_addr+0x411/0x2000 [ 634.452210][ T10] inet6_addr_add+0x30e/0xa40 [ 634.452210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.452210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.452210][ T10] netlink_rcv_skb+0x130/0x360 [ 634.452210][ T10] netlink_unicast+0x449/0x710 [ 634.452210][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.452210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.452210][ T10] ___sys_sendmsg+0xee/0x170 [ 634.452210][ T10] __sys_sendmsg+0xcd/0x170 [ 634.452210][ T10] do_syscall_64+0xc6/0x1e0 [ 634.452210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.452210][ T10] [ 634.454124][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 634.454124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.454124][ T10] ipv6_find_idev+0x102/0x170 [ 634.454124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.454124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.454124][ T10] netlink_rcv_skb+0x130/0x360 [ 634.454124][ T10] netlink_unicast+0x449/0x710 [ 634.454124][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.454124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.454124][ T10] ___sys_sendmsg+0xee/0x170 [ 634.454124][ T10] __sys_sendmsg+0xcd/0x170 [ 634.454124][ T10] do_syscall_64+0xc6/0x1e0 [ 634.454124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.454124][ T10] [ 634.455637][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 634.455637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.455637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.455637][ T10] ipv6_find_idev+0x102/0x170 [ 634.455637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.455637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.455637][ T10] netlink_rcv_skb+0x130/0x360 [ 634.455637][ T10] netlink_unicast+0x449/0x710 [ 634.455637][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.455637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.455637][ T10] ___sys_sendmsg+0xee/0x170 [ 634.455637][ T10] __sys_sendmsg+0xcd/0x170 [ 634.455637][ T10] do_syscall_64+0xc6/0x1e0 [ 634.455637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.455637][ T10] [ 634.457271][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 634.457522][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 634.457522][ T10] netdev_get_by_index+0x5e/0x80 [ 634.457522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.457522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.457522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.457522][ T10] ipv6_add_addr+0x411/0x2000 [ 634.457522][ T10] inet6_addr_add+0x30e/0xa40 [ 634.457522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.457522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.457522][ T10] netlink_rcv_skb+0x130/0x360 [ 634.457522][ T10] netlink_unicast+0x449/0x710 [ 634.457522][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.457522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.457522][ T10] ___sys_sendmsg+0xee/0x170 [ 634.457522][ T10] __sys_sendmsg+0xcd/0x170 [ 634.457522][ T10] do_syscall_64+0xc6/0x1e0 [ 634.457522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.457522][ T10] [ 634.459449][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 634.459449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.459449][ T10] ipv6_find_idev+0x102/0x170 [ 634.459449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.459449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.459449][ T10] netlink_rcv_skb+0x130/0x360 [ 634.459449][ T10] netlink_unicast+0x449/0x710 [ 634.459449][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.459449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.459449][ T10] ___sys_sendmsg+0xee/0x170 [ 634.459449][ T10] __sys_sendmsg+0xcd/0x170 [ 634.459449][ T10] do_syscall_64+0xc6/0x1e0 [ 634.459449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.459449][ T10] [ 634.460939][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 634.460939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.460939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.460939][ T10] ipv6_find_idev+0x102/0x170 [ 634.460939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.460939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.460939][ T10] netlink_rcv_skb+0x130/0x360 [ 634.460939][ T10] netlink_unicast+0x449/0x710 [ 634.460939][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.460939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.460939][ T10] ___sys_sendmsg+0xee/0x170 [ 634.460939][ T10] __sys_sendmsg+0xcd/0x170 [ 634.460939][ T10] do_syscall_64+0xc6/0x1e0 [ 634.460939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.460939][ T10] [ 634.462981][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 634.463578][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 634.463578][ T10] netdev_get_by_index+0x5e/0x80 [ 634.463578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.463578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.463578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.463578][ T10] ipv6_add_addr+0x411/0x2000 [ 634.463578][ T10] inet6_addr_add+0x30e/0xa40 [ 634.463578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.463578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.463578][ T10] netlink_rcv_skb+0x130/0x360 [ 634.463578][ T10] netlink_unicast+0x449/0x710 [ 634.463578][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.463578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.463578][ T10] ___sys_sendmsg+0xee/0x170 [ 634.463578][ T10] __sys_sendmsg+0xcd/0x170 [ 634.463578][ T10] do_syscall_64+0xc6/0x1e0 [ 634.463578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.463578][ T10] [ 634.465477][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 634.465477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.465477][ T10] ipv6_find_idev+0x102/0x170 [ 634.465477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.465477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.465477][ T10] netlink_rcv_skb+0x130/0x360 [ 634.465477][ T10] netlink_unicast+0x449/0x710 [ 634.465477][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.465477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.465477][ T10] ___sys_sendmsg+0xee/0x170 [ 634.465477][ T10] __sys_sendmsg+0xcd/0x170 [ 634.465477][ T10] do_syscall_64+0xc6/0x1e0 [ 634.465477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.465477][ T10] [ 634.466936][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 634.466936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.466936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.466936][ T10] ipv6_find_idev+0x102/0x170 [ 634.466936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.466936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.466936][ T10] netlink_rcv_skb+0x130/0x360 [ 634.466936][ T10] netlink_unicast+0x449/0x710 [ 634.466936][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.466936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.466936][ T10] ___sys_sendmsg+0xee/0x170 [ 634.466936][ T10] __sys_sendmsg+0xcd/0x170 [ 634.466936][ T10] do_syscall_64+0xc6/0x1e0 [ 634.466936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.466936][ T10] [ 634.468525][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 634.468794][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 634.468794][ T10] netdev_get_by_index+0x5e/0x80 [ 634.468794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.468794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.468794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.468794][ T10] ipv6_add_addr+0x411/0x2000 [ 634.468794][ T10] inet6_addr_add+0x30e/0xa40 [ 634.468794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.468794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.468794][ T10] netlink_rcv_skb+0x130/0x360 [ 634.468794][ T10] netlink_unicast+0x449/0x710 [ 634.468794][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.468794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.468794][ T10] ___sys_sendmsg+0xee/0x170 [ 634.468794][ T10] __sys_sendmsg+0xcd/0x170 [ 634.468794][ T10] do_syscall_64+0xc6/0x1e0 [ 634.468794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.468794][ T10] [ 634.470688][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 634.470688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.470688][ T10] ipv6_find_idev+0x102/0x170 [ 634.470688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.470688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.470688][ T10] netlink_rcv_skb+0x130/0x360 [ 634.470688][ T10] netlink_unicast+0x449/0x710 [ 634.470688][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.470688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.470688][ T10] ___sys_sendmsg+0xee/0x170 [ 634.470688][ T10] __sys_sendmsg+0xcd/0x170 [ 634.470688][ T10] do_syscall_64+0xc6/0x1e0 [ 634.470688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.470688][ T10] [ 634.472254][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 634.472254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.472254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.472254][ T10] ipv6_find_idev+0x102/0x170 [ 634.472254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.472254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.472254][ T10] netlink_rcv_skb+0x130/0x360 [ 634.472254][ T10] netlink_unicast+0x449/0x710 [ 634.472254][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.472254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.472254][ T10] ___sys_sendmsg+0xee/0x170 [ 634.472254][ T10] __sys_sendmsg+0xcd/0x170 [ 634.472254][ T10] do_syscall_64+0xc6/0x1e0 [ 634.472254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.472254][ T10] [ 634.474174][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 634.474433][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 634.474433][ T10] netdev_get_by_index+0x5e/0x80 [ 634.474433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.474433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.474433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.474433][ T10] ipv6_add_addr+0x411/0x2000 [ 634.474433][ T10] inet6_addr_add+0x30e/0xa40 [ 634.474433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.474433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.474433][ T10] netlink_rcv_skb+0x130/0x360 [ 634.474433][ T10] netlink_unicast+0x449/0x710 [ 634.474433][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.474433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.474433][ T10] ___sys_sendmsg+0xee/0x170 [ 634.474433][ T10] __sys_sendmsg+0xcd/0x170 [ 634.474433][ T10] do_syscall_64+0xc6/0x1e0 [ 634.474433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.474433][ T10] [ 634.476582][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 634.476582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.476582][ T10] ipv6_find_idev+0x102/0x170 [ 634.476582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.476582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.476582][ T10] netlink_rcv_skb+0x130/0x360 [ 634.476582][ T10] netlink_unicast+0x449/0x710 [ 634.476582][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.476582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.476582][ T10] ___sys_sendmsg+0xee/0x170 [ 634.476582][ T10] __sys_sendmsg+0xcd/0x170 [ 634.476582][ T10] do_syscall_64+0xc6/0x1e0 [ 634.476582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.476582][ T10] [ 634.478294][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 634.478294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.478294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.478294][ T10] ipv6_find_idev+0x102/0x170 [ 634.478294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.478294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.478294][ T10] netlink_rcv_skb+0x130/0x360 [ 634.478294][ T10] netlink_unicast+0x449/0x710 [ 634.478294][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.478294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.478294][ T10] ___sys_sendmsg+0xee/0x170 [ 634.478294][ T10] __sys_sendmsg+0xcd/0x170 [ 634.478294][ T10] do_syscall_64+0xc6/0x1e0 [ 634.478294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.478294][ T10] [ 634.480195][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 634.480451][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 634.480451][ T10] netdev_get_by_index+0x5e/0x80 [ 634.480451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.480451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.480451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.480451][ T10] ipv6_add_addr+0x411/0x2000 [ 634.480451][ T10] inet6_addr_add+0x30e/0xa40 [ 634.480451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.480451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.480451][ T10] netlink_rcv_skb+0x130/0x360 [ 634.480451][ T10] netlink_unicast+0x449/0x710 [ 634.480451][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.480451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.480451][ T10] ___sys_sendmsg+0xee/0x170 [ 634.480451][ T10] __sys_sendmsg+0xcd/0x170 [ 634.480451][ T10] do_syscall_64+0xc6/0x1e0 [ 634.480451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.480451][ T10] [ 634.482648][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 634.482648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.482648][ T10] ipv6_find_idev+0x102/0x170 [ 634.482648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.482648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.482648][ T10] netlink_rcv_skb+0x130/0x360 [ 634.482648][ T10] netlink_unicast+0x449/0x710 [ 634.482648][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.482648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.482648][ T10] ___sys_sendmsg+0xee/0x170 [ 634.482648][ T10] __sys_sendmsg+0xcd/0x170 [ 634.482648][ T10] do_syscall_64+0xc6/0x1e0 [ 634.482648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.482648][ T10] [ 634.484346][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 634.484346][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.484346][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.484346][ T10] ipv6_find_idev+0x102/0x170 [ 634.484346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.484346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.484346][ T10] netlink_rcv_skb+0x130/0x360 [ 634.484346][ T10] netlink_unicast+0x449/0x710 [ 634.484346][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.484346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.484346][ T10] ___sys_sendmsg+0xee/0x170 [ 634.484346][ T10] __sys_sendmsg+0xcd/0x170 [ 634.484346][ T10] do_syscall_64+0xc6/0x1e0 [ 634.484346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.484346][ T10] [ 644.544292][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 644.544999][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 644.544999][ T10] netdev_get_by_index+0x5e/0x80 [ 644.544999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.544999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.544999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.544999][ T10] ipv6_add_addr+0x411/0x2000 [ 644.544999][ T10] inet6_addr_add+0x30e/0xa40 [ 644.544999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.544999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.544999][ T10] netlink_rcv_skb+0x130/0x360 [ 644.544999][ T10] netlink_unicast+0x449/0x710 [ 644.544999][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.544999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.544999][ T10] ___sys_sendmsg+0xee/0x170 [ 644.544999][ T10] __sys_sendmsg+0xcd/0x170 [ 644.544999][ T10] do_syscall_64+0xc6/0x1e0 [ 644.544999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.544999][ T10] [ 644.546948][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 644.546948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.546948][ T10] ipv6_find_idev+0x102/0x170 [ 644.546948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.546948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.546948][ T10] netlink_rcv_skb+0x130/0x360 [ 644.546948][ T10] netlink_unicast+0x449/0x710 [ 644.546948][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.546948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.546948][ T10] ___sys_sendmsg+0xee/0x170 [ 644.546948][ T10] __sys_sendmsg+0xcd/0x170 [ 644.546948][ T10] do_syscall_64+0xc6/0x1e0 [ 644.546948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.546948][ T10] [ 644.548416][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 644.548416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.548416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.548416][ T10] ipv6_find_idev+0x102/0x170 [ 644.548416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.548416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.548416][ T10] netlink_rcv_skb+0x130/0x360 [ 644.548416][ T10] netlink_unicast+0x449/0x710 [ 644.548416][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.548416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.548416][ T10] ___sys_sendmsg+0xee/0x170 [ 644.548416][ T10] __sys_sendmsg+0xcd/0x170 [ 644.548416][ T10] do_syscall_64+0xc6/0x1e0 [ 644.548416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.548416][ T10] [ 644.550116][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 644.550405][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 644.550405][ T10] netdev_get_by_index+0x5e/0x80 [ 644.550405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.550405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.550405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.550405][ T10] ipv6_add_addr+0x411/0x2000 [ 644.550405][ T10] inet6_addr_add+0x30e/0xa40 [ 644.550405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.550405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.550405][ T10] netlink_rcv_skb+0x130/0x360 [ 644.550405][ T10] netlink_unicast+0x449/0x710 [ 644.550405][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.550405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.550405][ T10] ___sys_sendmsg+0xee/0x170 [ 644.550405][ T10] __sys_sendmsg+0xcd/0x170 [ 644.550405][ T10] do_syscall_64+0xc6/0x1e0 [ 644.550405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.550405][ T10] [ 644.552388][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 644.552388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.552388][ T10] ipv6_find_idev+0x102/0x170 [ 644.552388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.552388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.552388][ T10] netlink_rcv_skb+0x130/0x360 [ 644.552388][ T10] netlink_unicast+0x449/0x710 [ 644.552388][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.552388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.552388][ T10] ___sys_sendmsg+0xee/0x170 [ 644.552388][ T10] __sys_sendmsg+0xcd/0x170 [ 644.552388][ T10] do_syscall_64+0xc6/0x1e0 [ 644.552388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.552388][ T10] [ 644.553858][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 644.553858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.553858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.553858][ T10] ipv6_find_idev+0x102/0x170 [ 644.553858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.553858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.553858][ T10] netlink_rcv_skb+0x130/0x360 [ 644.553858][ T10] netlink_unicast+0x449/0x710 [ 644.553858][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.553858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.553858][ T10] ___sys_sendmsg+0xee/0x170 [ 644.553858][ T10] __sys_sendmsg+0xcd/0x170 [ 644.553858][ T10] do_syscall_64+0xc6/0x1e0 [ 644.553858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.553858][ T10] [ 644.555540][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 644.555825][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 644.555825][ T10] netdev_get_by_index+0x5e/0x80 [ 644.555825][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.555825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.555825][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.555825][ T10] ipv6_add_addr+0x411/0x2000 [ 644.555825][ T10] inet6_addr_add+0x30e/0xa40 [ 644.555825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.555825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.555825][ T10] netlink_rcv_skb+0x130/0x360 [ 644.555825][ T10] netlink_unicast+0x449/0x710 [ 644.555825][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.555825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.555825][ T10] ___sys_sendmsg+0xee/0x170 [ 644.555825][ T10] __sys_sendmsg+0xcd/0x170 [ 644.555825][ T10] do_syscall_64+0xc6/0x1e0 [ 644.555825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.555825][ T10] [ 644.557778][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 644.557778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.557778][ T10] ipv6_find_idev+0x102/0x170 [ 644.557778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.557778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.557778][ T10] netlink_rcv_skb+0x130/0x360 [ 644.557778][ T10] netlink_unicast+0x449/0x710 [ 644.557778][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.557778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.557778][ T10] ___sys_sendmsg+0xee/0x170 [ 644.557778][ T10] __sys_sendmsg+0xcd/0x170 [ 644.557778][ T10] do_syscall_64+0xc6/0x1e0 [ 644.557778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.557778][ T10] [ 644.559269][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 644.559269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.559269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.559269][ T10] ipv6_find_idev+0x102/0x170 [ 644.559269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.559269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.559269][ T10] netlink_rcv_skb+0x130/0x360 [ 644.559269][ T10] netlink_unicast+0x449/0x710 [ 644.559269][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.559269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.559269][ T10] ___sys_sendmsg+0xee/0x170 [ 644.559269][ T10] __sys_sendmsg+0xcd/0x170 [ 644.559269][ T10] do_syscall_64+0xc6/0x1e0 [ 644.559269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.559269][ T10] [ 644.560876][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 644.561163][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 644.561163][ T10] netdev_get_by_index+0x5e/0x80 [ 644.561163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.561163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.561163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.561163][ T10] ipv6_add_addr+0x411/0x2000 [ 644.561163][ T10] inet6_addr_add+0x30e/0xa40 [ 644.561163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.561163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.561163][ T10] netlink_rcv_skb+0x130/0x360 [ 644.561163][ T10] netlink_unicast+0x449/0x710 [ 644.561163][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.561163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.561163][ T10] ___sys_sendmsg+0xee/0x170 [ 644.561163][ T10] __sys_sendmsg+0xcd/0x170 [ 644.561163][ T10] do_syscall_64+0xc6/0x1e0 [ 644.561163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.561163][ T10] [ 644.563157][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 644.563157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.563157][ T10] ipv6_find_idev+0x102/0x170 [ 644.563157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.563157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.563157][ T10] netlink_rcv_skb+0x130/0x360 [ 644.563157][ T10] netlink_unicast+0x449/0x710 [ 644.563157][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.563157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.563157][ T10] ___sys_sendmsg+0xee/0x170 [ 644.563157][ T10] __sys_sendmsg+0xcd/0x170 [ 644.563157][ T10] do_syscall_64+0xc6/0x1e0 [ 644.563157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.563157][ T10] [ 644.564657][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 644.564657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.564657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.564657][ T10] ipv6_find_idev+0x102/0x170 [ 644.564657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.564657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.564657][ T10] netlink_rcv_skb+0x130/0x360 [ 644.564657][ T10] netlink_unicast+0x449/0x710 [ 644.564657][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.564657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.564657][ T10] ___sys_sendmsg+0xee/0x170 [ 644.564657][ T10] __sys_sendmsg+0xcd/0x170 [ 644.564657][ T10] do_syscall_64+0xc6/0x1e0 [ 644.564657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.564657][ T10] [ 644.566272][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 644.566549][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 644.566549][ T10] netdev_get_by_index+0x5e/0x80 [ 644.566549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.566549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.566549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.566549][ T10] ipv6_add_addr+0x411/0x2000 [ 644.566549][ T10] inet6_addr_add+0x30e/0xa40 [ 644.566549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.566549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.566549][ T10] netlink_rcv_skb+0x130/0x360 [ 644.566549][ T10] netlink_unicast+0x449/0x710 [ 644.566549][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.566549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.566549][ T10] ___sys_sendmsg+0xee/0x170 [ 644.566549][ T10] __sys_sendmsg+0xcd/0x170 [ 644.566549][ T10] do_syscall_64+0xc6/0x1e0 [ 644.566549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.566549][ T10] [ 644.568458][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 644.568458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.568458][ T10] ipv6_find_idev+0x102/0x170 [ 644.568458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.568458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.568458][ T10] netlink_rcv_skb+0x130/0x360 [ 644.568458][ T10] netlink_unicast+0x449/0x710 [ 644.568458][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.568458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.568458][ T10] ___sys_sendmsg+0xee/0x170 [ 644.568458][ T10] __sys_sendmsg+0xcd/0x170 [ 644.568458][ T10] do_syscall_64+0xc6/0x1e0 [ 644.568458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.568458][ T10] [ 644.569992][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 644.569992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.569992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.569992][ T10] ipv6_find_idev+0x102/0x170 [ 644.569992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.569992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.569992][ T10] netlink_rcv_skb+0x130/0x360 [ 644.569992][ T10] netlink_unicast+0x449/0x710 [ 644.569992][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.569992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.569992][ T10] ___sys_sendmsg+0xee/0x170 [ 644.569992][ T10] __sys_sendmsg+0xcd/0x170 [ 644.569992][ T10] do_syscall_64+0xc6/0x1e0 [ 644.569992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.569992][ T10] [ 644.571858][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 644.572604][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 644.572604][ T10] netdev_get_by_index+0x5e/0x80 [ 644.572604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.572604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.572604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.572604][ T10] ipv6_add_addr+0x411/0x2000 [ 644.572604][ T10] inet6_addr_add+0x30e/0xa40 [ 644.572604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.572604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.572604][ T10] netlink_rcv_skb+0x130/0x360 [ 644.572604][ T10] netlink_unicast+0x449/0x710 [ 644.572604][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.572604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.572604][ T10] ___sys_sendmsg+0xee/0x170 [ 644.572604][ T10] __sys_sendmsg+0xcd/0x170 [ 644.572604][ T10] do_syscall_64+0xc6/0x1e0 [ 644.572604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.572604][ T10] [ 644.574568][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 644.574568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.574568][ T10] ipv6_find_idev+0x102/0x170 [ 644.574568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.574568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.574568][ T10] netlink_rcv_skb+0x130/0x360 [ 644.574568][ T10] netlink_unicast+0x449/0x710 [ 644.574568][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.574568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.574568][ T10] ___sys_sendmsg+0xee/0x170 [ 644.574568][ T10] __sys_sendmsg+0xcd/0x170 [ 644.574568][ T10] do_syscall_64+0xc6/0x1e0 [ 644.574568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.574568][ T10] [ 644.576083][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 644.576083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.576083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.576083][ T10] ipv6_find_idev+0x102/0x170 [ 644.576083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.576083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.576083][ T10] netlink_rcv_skb+0x130/0x360 [ 644.576083][ T10] netlink_unicast+0x449/0x710 [ 644.576083][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.576083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.576083][ T10] ___sys_sendmsg+0xee/0x170 [ 644.576083][ T10] __sys_sendmsg+0xcd/0x170 [ 644.576083][ T10] do_syscall_64+0xc6/0x1e0 [ 644.576083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.576083][ T10] [ 644.577917][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 644.578237][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 644.578237][ T10] netdev_get_by_index+0x5e/0x80 [ 644.578237][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.578237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.578237][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.578237][ T10] ipv6_add_addr+0x411/0x2000 [ 644.578237][ T10] inet6_addr_add+0x30e/0xa40 [ 644.578237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.578237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.578237][ T10] netlink_rcv_skb+0x130/0x360 [ 644.578237][ T10] netlink_unicast+0x449/0x710 [ 644.578237][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.578237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.578237][ T10] ___sys_sendmsg+0xee/0x170 [ 644.578237][ T10] __sys_sendmsg+0xcd/0x170 [ 644.578237][ T10] do_syscall_64+0xc6/0x1e0 [ 644.578237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.578237][ T10] [ 644.580400][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 644.580400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.580400][ T10] ipv6_find_idev+0x102/0x170 [ 644.580400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.580400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.580400][ T10] netlink_rcv_skb+0x130/0x360 [ 644.580400][ T10] netlink_unicast+0x449/0x710 [ 644.580400][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.580400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.580400][ T10] ___sys_sendmsg+0xee/0x170 [ 644.580400][ T10] __sys_sendmsg+0xcd/0x170 [ 644.580400][ T10] do_syscall_64+0xc6/0x1e0 [ 644.580400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.580400][ T10] [ 644.582043][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 644.582043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.582043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.582043][ T10] ipv6_find_idev+0x102/0x170 [ 644.582043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.582043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.582043][ T10] netlink_rcv_skb+0x130/0x360 [ 644.582043][ T10] netlink_unicast+0x449/0x710 [ 644.582043][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.582043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.582043][ T10] ___sys_sendmsg+0xee/0x170 [ 644.582043][ T10] __sys_sendmsg+0xcd/0x170 [ 644.582043][ T10] do_syscall_64+0xc6/0x1e0 [ 644.582043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.582043][ T10] [ 644.583901][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 644.584212][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 644.584212][ T10] netdev_get_by_index+0x5e/0x80 [ 644.584212][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.584212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.584212][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.584212][ T10] ipv6_add_addr+0x411/0x2000 [ 644.584212][ T10] inet6_addr_add+0x30e/0xa40 [ 644.584212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.584212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.584212][ T10] netlink_rcv_skb+0x130/0x360 [ 644.584212][ T10] netlink_unicast+0x449/0x710 [ 644.584212][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.584212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.584212][ T10] ___sys_sendmsg+0xee/0x170 [ 644.584212][ T10] __sys_sendmsg+0xcd/0x170 [ 644.584212][ T10] do_syscall_64+0xc6/0x1e0 [ 644.584212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.584212][ T10] [ 644.586392][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 644.586392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.586392][ T10] ipv6_find_idev+0x102/0x170 [ 644.586392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.586392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.586392][ T10] netlink_rcv_skb+0x130/0x360 [ 644.586392][ T10] netlink_unicast+0x449/0x710 [ 644.586392][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.586392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.586392][ T10] ___sys_sendmsg+0xee/0x170 [ 644.586392][ T10] __sys_sendmsg+0xcd/0x170 [ 644.586392][ T10] do_syscall_64+0xc6/0x1e0 [ 644.586392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.586392][ T10] [ 644.588017][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 644.588017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.588017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.588017][ T10] ipv6_find_idev+0x102/0x170 [ 644.588017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.588017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.588017][ T10] netlink_rcv_skb+0x130/0x360 [ 644.588017][ T10] netlink_unicast+0x449/0x710 [ 644.588017][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.588017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.588017][ T10] ___sys_sendmsg+0xee/0x170 [ 644.588017][ T10] __sys_sendmsg+0xcd/0x170 [ 644.588017][ T10] do_syscall_64+0xc6/0x1e0 [ 644.588017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.588017][ T10]