0xc6/0x1e0 [ 4408.360615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.360615][ T10] [ 4408.362691][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4408.362691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.362691][ T10] ipv6_find_idev+0x102/0x170 [ 4408.362691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.362691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.362691][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.362691][ T10] netlink_unicast+0x449/0x710 [ 4408.362691][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.362691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.362691][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.362691][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.362691][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.362691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.362691][ T10] [ 4408.364250][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4408.364250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.364250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.364250][ T10] ipv6_find_idev+0x102/0x170 [ 4408.364250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.364250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.364250][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.364250][ T10] netlink_unicast+0x449/0x710 [ 4408.364250][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.364250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.364250][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.364250][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.364250][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.364250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.364250][ T10] [ 4408.366003][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4408.366295][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4408.366295][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.366295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.366295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.366295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.366295][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.366295][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.366295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.366295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.366295][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.366295][ T10] netlink_unicast+0x449/0x710 [ 4408.366295][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.366295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.366295][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.366295][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.366295][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.366295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.366295][ T10] [ 4408.368318][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4408.368318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.368318][ T10] ipv6_find_idev+0x102/0x170 [ 4408.368318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.368318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.368318][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.368318][ T10] netlink_unicast+0x449/0x710 [ 4408.368318][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.368318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.368318][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.368318][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.368318][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.368318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.368318][ T10] [ 4408.369856][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4408.369856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.369856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.369856][ T10] ipv6_find_idev+0x102/0x170 [ 4408.369856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.369856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.369856][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.369856][ T10] netlink_unicast+0x449/0x710 [ 4408.369856][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.369856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.369856][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.369856][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.369856][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.369856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.369856][ T10] [ 4408.371545][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4408.371814][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4408.371814][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.371814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.371814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.371814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.371814][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.371814][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.371814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.371814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.371814][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.371814][ T10] netlink_unicast+0x449/0x710 [ 4408.371814][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.371814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.371814][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.371814][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.371814][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.371814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.371814][ T10] [ 4408.373836][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4408.373836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.373836][ T10] ipv6_find_idev+0x102/0x170 [ 4408.373836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.373836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.373836][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.373836][ T10] netlink_unicast+0x449/0x710 [ 4408.373836][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.373836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.373836][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.373836][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.373836][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.373836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.373836][ T10] [ 4408.375394][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4408.375394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.375394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.375394][ T10] ipv6_find_idev+0x102/0x170 [ 4408.375394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.375394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.375394][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.375394][ T10] netlink_unicast+0x449/0x710 [ 4408.375394][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.375394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.375394][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.375394][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.375394][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.375394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.375394][ T10] [ 4408.377089][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4408.377370][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4408.377370][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.377370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.377370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.377370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.377370][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.377370][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.377370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.377370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.377370][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.377370][ T10] netlink_unicast+0x449/0x710 [ 4408.377370][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.377370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.377370][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.377370][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.377370][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.377370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.377370][ T10] [ 4408.379379][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4408.379379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.379379][ T10] ipv6_find_idev+0x102/0x170 [ 4408.379379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.379379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.379379][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.379379][ T10] netlink_unicast+0x449/0x710 [ 4408.379379][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.379379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.379379][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.379379][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.379379][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.379379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.379379][ T10] [ 4408.380938][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4408.380938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.380938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.380938][ T10] ipv6_find_idev+0x102/0x170 [ 4408.380938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.380938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.380938][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.380938][ T10] netlink_unicast+0x449/0x710 [ 4408.380938][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.380938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.380938][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.380938][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.380938][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.380938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.380938][ T10] [ 4408.383049][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4408.383684][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4408.383684][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.383684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.383684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.383684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.383684][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.383684][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.383684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.383684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.383684][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.383684][ T10] netlink_unicast+0x449/0x710 [ 4408.383684][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.383684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.383684][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.383684][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.383684][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.383684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.383684][ T10] [ 4408.385715][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4408.385715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.385715][ T10] ipv6_find_idev+0x102/0x170 [ 4408.385715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.385715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.385715][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.385715][ T10] netlink_unicast+0x449/0x710 [ 4408.385715][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.385715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.385715][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.385715][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.385715][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.385715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.385715][ T10] [ 4408.387271][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4408.387271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.387271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.387271][ T10] ipv6_find_idev+0x102/0x170 [ 4408.387271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.387271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.387271][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.387271][ T10] netlink_unicast+0x449/0x710 [ 4408.387271][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.387271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.387271][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.387271][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.387271][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.387271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.387271][ T10] [ 4408.388953][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4408.389303][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4408.389303][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.389303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.389303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.389303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.389303][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.389303][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.389303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.389303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.389303][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.389303][ T10] netlink_unicast+0x449/0x710 [ 4408.389303][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.389303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.389303][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.389303][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.389303][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.389303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.389303][ T10] [ 4408.391326][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4408.391326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.391326][ T10] ipv6_find_idev+0x102/0x170 [ 4408.391326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.391326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.391326][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.391326][ T10] netlink_unicast+0x449/0x710 [ 4408.391326][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.391326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.391326][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.391326][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.391326][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.391326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.391326][ T10] [ 4408.392884][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4408.392884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.392884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.392884][ T10] ipv6_find_idev+0x102/0x170 [ 4408.392884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.392884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.392884][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.392884][ T10] netlink_unicast+0x449/0x710 [ 4408.392884][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.392884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.392884][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.392884][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.392884][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.392884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.392884][ T10] [ 4408.394689][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4408.395003][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4408.395003][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.395003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.395003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.395003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.395003][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.395003][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.395003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.395003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.395003][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.395003][ T10] netlink_unicast+0x449/0x710 [ 4408.395003][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.395003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.395003][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.395003][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.395003][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.395003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.395003][ T10] [ 4408.397243][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4408.397243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.397243][ T10] ipv6_find_idev+0x102/0x170 [ 4408.397243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.397243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.397243][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.397243][ T10] netlink_unicast+0x449/0x710 [ 4408.397243][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.397243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.397243][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.397243][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.397243][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.397243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.397243][ T10] [ 4408.398921][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4408.398921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.398921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.398921][ T10] ipv6_find_idev+0x102/0x170 [ 4408.398921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.398921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.398921][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.398921][ T10] netlink_unicast+0x449/0x710 [ 4408.398921][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.398921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.398921][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.398921][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.398921][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.398921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.398921][ T10] [ 4408.400840][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4408.401164][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4408.401164][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.401164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.401164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.401164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.401164][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.401164][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.401164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.401164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.401164][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.401164][ T10] netlink_unicast+0x449/0x710 [ 4408.401164][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.401164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.401164][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.401164][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.401164][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.401164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.401164][ T10] [ 4408.403349][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4408.403349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4408.403349][ T10] ipv6_find_idev+0x102/0x170 [ 4408.403349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.403349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.403349][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.403349][ T10] netlink_unicast+0x449/0x710 [ 4408.403349][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.403349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.403349][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.403349][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.403349][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.403349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.403349][ T10] [ 4408.404967][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4408.404967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4408.404967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4408.404967][ T10] ipv6_find_idev+0x102/0x170 [ 4408.404967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.404967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.404967][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.404967][ T10] netlink_unicast+0x449/0x710 [ 4408.404967][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.404967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.404967][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.404967][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.404967][ T10] do_syscall_64+0xc6/0x1e0 [ 4408.404967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.404967][ T10] [ 4408.825570][T14776] ACPI: PM: Preparing to enter system sleep state S5 [ 4408.835176][T14776] kvm: exiting hardware virtualization [ 4408.835471][T14776] reboot: Power down