[ 400.584116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 400.584588][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 400.584588][ T10] netdev_get_by_index+0x5e/0x80 [ 400.584588][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.584588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.584588][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.584588][ T10] ipv6_add_addr+0x411/0x2000 [ 400.584588][ T10] inet6_addr_add+0x30e/0xa40 [ 400.584588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.584588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.584588][ T10] netlink_rcv_skb+0x130/0x360 [ 400.584588][ T10] netlink_unicast+0x449/0x710 [ 400.584588][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.584588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.584588][ T10] ___sys_sendmsg+0xee/0x170 [ 400.584588][ T10] __sys_sendmsg+0xcd/0x170 [ 400.584588][ T10] do_syscall_64+0xc6/0x1e0 [ 400.584588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.584588][ T10] [ 400.586815][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 400.586815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.586815][ T10] ipv6_find_idev+0x102/0x170 [ 400.586815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.586815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.586815][ T10] netlink_rcv_skb+0x130/0x360 [ 400.586815][ T10] netlink_unicast+0x449/0x710 [ 400.586815][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.586815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.586815][ T10] ___sys_sendmsg+0xee/0x170 [ 400.586815][ T10] __sys_sendmsg+0xcd/0x170 [ 400.586815][ T10] do_syscall_64+0xc6/0x1e0 [ 400.586815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.586815][ T10] [ 400.588281][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 400.588281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.588281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.588281][ T10] ipv6_find_idev+0x102/0x170 [ 400.588281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.588281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.588281][ T10] netlink_rcv_skb+0x130/0x360 [ 400.588281][ T10] netlink_unicast+0x449/0x710 [ 400.588281][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.588281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.588281][ T10] ___sys_sendmsg+0xee/0x170 [ 400.588281][ T10] __sys_sendmsg+0xcd/0x170 [ 400.588281][ T10] do_syscall_64+0xc6/0x1e0 [ 400.588281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.588281][ T10] [ 400.589955][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 400.590240][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 400.590240][ T10] netdev_get_by_index+0x5e/0x80 [ 400.590240][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.590240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.590240][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.590240][ T10] ipv6_add_addr+0x411/0x2000 [ 400.590240][ T10] inet6_addr_add+0x30e/0xa40 [ 400.590240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.590240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.590240][ T10] netlink_rcv_skb+0x130/0x360 [ 400.590240][ T10] netlink_unicast+0x449/0x710 [ 400.590240][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.590240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.590240][ T10] ___sys_sendmsg+0xee/0x170 [ 400.590240][ T10] __sys_sendmsg+0xcd/0x170 [ 400.590240][ T10] do_syscall_64+0xc6/0x1e0 [ 400.590240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.590240][ T10] [ 400.592308][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 400.592308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.592308][ T10] ipv6_find_idev+0x102/0x170 [ 400.592308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.592308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.592308][ T10] netlink_rcv_skb+0x130/0x360 [ 400.592308][ T10] netlink_unicast+0x449/0x710 [ 400.592308][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.592308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.592308][ T10] ___sys_sendmsg+0xee/0x170 [ 400.592308][ T10] __sys_sendmsg+0xcd/0x170 [ 400.592308][ T10] do_syscall_64+0xc6/0x1e0 [ 400.592308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.592308][ T10] [ 400.593832][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 400.593832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.593832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.593832][ T10] ipv6_find_idev+0x102/0x170 [ 400.593832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.593832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.593832][ T10] netlink_rcv_skb+0x130/0x360 [ 400.593832][ T10] netlink_unicast+0x449/0x710 [ 400.593832][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.593832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.593832][ T10] ___sys_sendmsg+0xee/0x170 [ 400.593832][ T10] __sys_sendmsg+0xcd/0x170 [ 400.593832][ T10] do_syscall_64+0xc6/0x1e0 [ 400.593832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.593832][ T10] [ 400.595455][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 400.595739][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 400.595739][ T10] netdev_get_by_index+0x5e/0x80 [ 400.595739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.595739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.595739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.595739][ T10] ipv6_add_addr+0x411/0x2000 [ 400.595739][ T10] inet6_addr_add+0x30e/0xa40 [ 400.595739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.595739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.595739][ T10] netlink_rcv_skb+0x130/0x360 [ 400.595739][ T10] netlink_unicast+0x449/0x710 [ 400.595739][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.595739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.595739][ T10] ___sys_sendmsg+0xee/0x170 [ 400.595739][ T10] __sys_sendmsg+0xcd/0x170 [ 400.595739][ T10] do_syscall_64+0xc6/0x1e0 [ 400.595739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.595739][ T10] [ 400.597916][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 400.597916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.597916][ T10] ipv6_find_idev+0x102/0x170 [ 400.597916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.597916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.597916][ T10] netlink_rcv_skb+0x130/0x360 [ 400.597916][ T10] netlink_unicast+0x449/0x710 [ 400.597916][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.597916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.597916][ T10] ___sys_sendmsg+0xee/0x170 [ 400.597916][ T10] __sys_sendmsg+0xcd/0x170 [ 400.597916][ T10] do_syscall_64+0xc6/0x1e0 [ 400.597916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.597916][ T10] [ 400.599407][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 400.599407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.599407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.599407][ T10] ipv6_find_idev+0x102/0x170 [ 400.599407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.599407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.599407][ T10] netlink_rcv_skb+0x130/0x360 [ 400.599407][ T10] netlink_unicast+0x449/0x710 [ 400.599407][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.599407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.599407][ T10] ___sys_sendmsg+0xee/0x170 [ 400.599407][ T10] __sys_sendmsg+0xcd/0x170 [ 400.599407][ T10] do_syscall_64+0xc6/0x1e0 [ 400.599407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.599407][ T10] [ 400.601258][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 400.601536][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 400.601536][ T10] netdev_get_by_index+0x5e/0x80 [ 400.601536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.601536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.601536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.601536][ T10] ipv6_add_addr+0x411/0x2000 [ 400.601536][ T10] inet6_addr_add+0x30e/0xa40 [ 400.601536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.601536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.601536][ T10] netlink_rcv_skb+0x130/0x360 [ 400.601536][ T10] netlink_unicast+0x449/0x710 [ 400.601536][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.601536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.601536][ T10] ___sys_sendmsg+0xee/0x170 [ 400.601536][ T10] __sys_sendmsg+0xcd/0x170 [ 400.601536][ T10] do_syscall_64+0xc6/0x1e0 [ 400.601536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.601536][ T10] [ 400.603742][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 400.603742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.603742][ T10] ipv6_find_idev+0x102/0x170 [ 400.603742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.603742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.603742][ T10] netlink_rcv_skb+0x130/0x360 [ 400.603742][ T10] netlink_unicast+0x449/0x710 [ 400.603742][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.603742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.603742][ T10] ___sys_sendmsg+0xee/0x170 [ 400.603742][ T10] __sys_sendmsg+0xcd/0x170 [ 400.603742][ T10] do_syscall_64+0xc6/0x1e0 [ 400.603742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.603742][ T10] [ 400.605458][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 400.605458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.605458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.605458][ T10] ipv6_find_idev+0x102/0x170 [ 400.605458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.605458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.605458][ T10] netlink_rcv_skb+0x130/0x360 [ 400.605458][ T10] netlink_unicast+0x449/0x710 [ 400.605458][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.605458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.605458][ T10] ___sys_sendmsg+0xee/0x170 [ 400.605458][ T10] __sys_sendmsg+0xcd/0x170 [ 400.605458][ T10] do_syscall_64+0xc6/0x1e0 [ 400.605458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.605458][ T10] [ 400.607291][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 400.607552][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 400.607552][ T10] netdev_get_by_index+0x5e/0x80 [ 400.607552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.607552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.607552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.607552][ T10] ipv6_add_addr+0x411/0x2000 [ 400.607552][ T10] inet6_addr_add+0x30e/0xa40 [ 400.607552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.607552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.607552][ T10] netlink_rcv_skb+0x130/0x360 [ 400.607552][ T10] netlink_unicast+0x449/0x710 [ 400.607552][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.607552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.607552][ T10] ___sys_sendmsg+0xee/0x170 [ 400.607552][ T10] __sys_sendmsg+0xcd/0x170 [ 400.607552][ T10] do_syscall_64+0xc6/0x1e0 [ 400.607552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.607552][ T10] [ 400.609615][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 400.609615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.609615][ T10] ipv6_find_idev+0x102/0x170 [ 400.609615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.609615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.609615][ T10] netlink_rcv_skb+0x130/0x360 [ 400.609615][ T10] netlink_unicast+0x449/0x710 [ 400.609615][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.609615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.609615][ T10] ___sys_sendmsg+0xee/0x170 [ 400.609615][ T10] __sys_sendmsg+0xcd/0x170 [ 400.609615][ T10] do_syscall_64+0xc6/0x1e0 [ 400.609615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.609615][ T10] [ 400.611263][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 400.611263][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.611263][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.611263][ T10] ipv6_find_idev+0x102/0x170 [ 400.611263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.611263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.611263][ T10] netlink_rcv_skb+0x130/0x360 [ 400.611263][ T10] netlink_unicast+0x449/0x710 [ 400.611263][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.611263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.611263][ T10] ___sys_sendmsg+0xee/0x170 [ 400.611263][ T10] __sys_sendmsg+0xcd/0x170 [ 400.611263][ T10] do_syscall_64+0xc6/0x1e0 [ 400.611263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.611263][ T10] [ 400.613580][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 400.613853][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 400.613853][ T10] netdev_get_by_index+0x5e/0x80 [ 400.613853][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.613853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.613853][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.613853][ T10] ipv6_add_addr+0x411/0x2000 [ 400.613853][ T10] inet6_addr_add+0x30e/0xa40 [ 400.613853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.613853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.613853][ T10] netlink_rcv_skb+0x130/0x360 [ 400.613853][ T10] netlink_unicast+0x449/0x710 [ 400.613853][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.613853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.613853][ T10] ___sys_sendmsg+0xee/0x170 [ 400.613853][ T10] __sys_sendmsg+0xcd/0x170 [ 400.613853][ T10] do_syscall_64+0xc6/0x1e0 [ 400.613853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.613853][ T10] [ 400.615797][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 400.615797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.615797][ T10] ipv6_find_idev+0x102/0x170 [ 400.615797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.615797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.615797][ T10] netlink_rcv_skb+0x130/0x360 [ 400.615797][ T10] netlink_unicast+0x449/0x710 [ 400.615797][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.615797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.615797][ T10] ___sys_sendmsg+0xee/0x170 [ 400.615797][ T10] __sys_sendmsg+0xcd/0x170 [ 400.615797][ T10] do_syscall_64+0xc6/0x1e0 [ 400.615797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.615797][ T10] [ 400.617321][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 400.617321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.617321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.617321][ T10] ipv6_find_idev+0x102/0x170 [ 400.617321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.617321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.617321][ T10] netlink_rcv_skb+0x130/0x360 [ 400.617321][ T10] netlink_unicast+0x449/0x710 [ 400.617321][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.617321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.617321][ T10] ___sys_sendmsg+0xee/0x170 [ 400.617321][ T10] __sys_sendmsg+0xcd/0x170 [ 400.617321][ T10] do_syscall_64+0xc6/0x1e0 [ 400.617321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.617321][ T10] [ 400.619117][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 400.619380][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 400.619380][ T10] netdev_get_by_index+0x5e/0x80 [ 400.619380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.619380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.619380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.619380][ T10] ipv6_add_addr+0x411/0x2000 [ 400.619380][ T10] inet6_addr_add+0x30e/0xa40 [ 400.619380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.619380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.619380][ T10] netlink_rcv_skb+0x130/0x360 [ 400.619380][ T10] netlink_unicast+0x449/0x710 [ 400.619380][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.619380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.619380][ T10] ___sys_sendmsg+0xee/0x170 [ 400.619380][ T10] __sys_sendmsg+0xcd/0x170 [ 400.619380][ T10] do_syscall_64+0xc6/0x1e0 [ 400.619380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.619380][ T10] [ 400.621459][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 400.621459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.621459][ T10] ipv6_find_idev+0x102/0x170 [ 400.621459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.621459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.621459][ T10] netlink_rcv_skb+0x130/0x360 [ 400.621459][ T10] netlink_unicast+0x449/0x710 [ 400.621459][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.621459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.621459][ T10] ___sys_sendmsg+0xee/0x170 [ 400.621459][ T10] __sys_sendmsg+0xcd/0x170 [ 400.621459][ T10] do_syscall_64+0xc6/0x1e0 [ 400.621459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.621459][ T10] [ 400.622986][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 400.622986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.622986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.622986][ T10] ipv6_find_idev+0x102/0x170 [ 400.622986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.622986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.622986][ T10] netlink_rcv_skb+0x130/0x360 [ 400.622986][ T10] netlink_unicast+0x449/0x710 [ 400.622986][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.622986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.622986][ T10] ___sys_sendmsg+0xee/0x170 [ 400.622986][ T10] __sys_sendmsg+0xcd/0x170 [ 400.622986][ T10] do_syscall_64+0xc6/0x1e0 [ 400.622986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.622986][ T10] [ 400.624835][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 400.625098][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 400.625098][ T10] netdev_get_by_index+0x5e/0x80 [ 400.625098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.625098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.625098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.625098][ T10] ipv6_add_addr+0x411/0x2000 [ 400.625098][ T10] inet6_addr_add+0x30e/0xa40 [ 400.625098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.625098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.625098][ T10] netlink_rcv_skb+0x130/0x360 [ 400.625098][ T10] netlink_unicast+0x449/0x710 [ 400.625098][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.625098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.625098][ T10] ___sys_sendmsg+0xee/0x170 [ 400.625098][ T10] __sys_sendmsg+0xcd/0x170 [ 400.625098][ T10] do_syscall_64+0xc6/0x1e0 [ 400.625098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.625098][ T10] [ 400.627226][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 400.627226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.627226][ T10] ipv6_find_idev+0x102/0x170 [ 400.627226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.627226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.627226][ T10] netlink_rcv_skb+0x130/0x360 [ 400.627226][ T10] netlink_unicast+0x449/0x710 [ 400.627226][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.627226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.627226][ T10] ___sys_sendmsg+0xee/0x170 [ 400.627226][ T10] __sys_sendmsg+0xcd/0x170 [ 400.627226][ T10] do_syscall_64+0xc6/0x1e0 [ 400.627226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.627226][ T10] [ 400.628926][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 400.628926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.628926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.628926][ T10] ipv6_find_idev+0x102/0x170 [ 400.628926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.628926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.628926][ T10] netlink_rcv_skb+0x130/0x360 [ 400.628926][ T10] netlink_unicast+0x449/0x710 [ 400.628926][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.628926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.628926][ T10] ___sys_sendmsg+0xee/0x170 [ 400.628926][ T10] __sys_sendmsg+0xcd/0x170 [ 400.628926][ T10] do_syscall_64+0xc6/0x1e0 [ 400.628926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.628926][ T10] [ 410.752201][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 410.752537][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 410.752537][ T10] netdev_get_by_index+0x5e/0x80 [ 410.752537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.752537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.752537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.752537][ T10] ipv6_add_addr+0x411/0x2000 [ 410.752537][ T10] inet6_addr_add+0x30e/0xa40 [ 410.752537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.752537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.752537][ T10] netlink_rcv_skb+0x130/0x360 [ 410.752537][ T10] netlink_unicast+0x449/0x710 [ 410.752537][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.752537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.752537][ T10] ___sys_sendmsg+0xee/0x170 [ 410.752537][ T10] __sys_sendmsg+0xcd/0x170 [ 410.752537][ T10] do_syscall_64+0xc6/0x1e0 [ 410.752537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.752537][ T10] [ 410.754547][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 410.754547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.754547][ T10] ipv6_find_idev+0x102/0x170 [ 410.754547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.754547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.754547][ T10] netlink_rcv_skb+0x130/0x360 [ 410.754547][ T10] netlink_unicast+0x449/0x710 [ 410.754547][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.754547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.754547][ T10] ___sys_sendmsg+0xee/0x170 [ 410.754547][ T10] __sys_sendmsg+0xcd/0x170 [ 410.754547][ T10] do_syscall_64+0xc6/0x1e0 [ 410.754547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.754547][ T10] [ 410.756065][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 410.756065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.756065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.756065][ T10] ipv6_find_idev+0x102/0x170 [ 410.756065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.756065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.756065][ T10] netlink_rcv_skb+0x130/0x360 [ 410.756065][ T10] netlink_unicast+0x449/0x710 [ 410.756065][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.756065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.756065][ T10] ___sys_sendmsg+0xee/0x170 [ 410.756065][ T10] __sys_sendmsg+0xcd/0x170 [ 410.756065][ T10] do_syscall_64+0xc6/0x1e0 [ 410.756065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.756065][ T10] [ 410.757731][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 410.757994][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 410.757994][ T10] netdev_get_by_index+0x5e/0x80 [ 410.757994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.757994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.757994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.757994][ T10] ipv6_add_addr+0x411/0x2000 [ 410.757994][ T10] inet6_addr_add+0x30e/0xa40 [ 410.757994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.757994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.757994][ T10] netlink_rcv_skb+0x130/0x360 [ 410.757994][ T10] netlink_unicast+0x449/0x710 [ 410.757994][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.757994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.757994][ T10] ___sys_sendmsg+0xee/0x170 [ 410.757994][ T10] __sys_sendmsg+0xcd/0x170 [ 410.757994][ T10] do_syscall_64+0xc6/0x1e0 [ 410.757994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.757994][ T10] [ 410.759949][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 410.759949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.759949][ T10] ipv6_find_idev+0x102/0x170 [ 410.759949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.759949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.759949][ T10] netlink_rcv_skb+0x130/0x360 [ 410.759949][ T10] netlink_unicast+0x449/0x710 [ 410.759949][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.759949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.759949][ T10] ___sys_sendmsg+0xee/0x170 [ 410.759949][ T10] __sys_sendmsg+0xcd/0x170 [ 410.759949][ T10] do_syscall_64+0xc6/0x1e0 [ 410.759949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.759949][ T10] [ 410.761473][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 410.761473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.761473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.761473][ T10] ipv6_find_idev+0x102/0x170 [ 410.761473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.761473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.761473][ T10] netlink_rcv_skb+0x130/0x360 [ 410.761473][ T10] netlink_unicast+0x449/0x710 [ 410.761473][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.761473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.761473][ T10] ___sys_sendmsg+0xee/0x170 [ 410.761473][ T10] __sys_sendmsg+0xcd/0x170 [ 410.761473][ T10] do_syscall_64+0xc6/0x1e0 [ 410.761473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.761473][ T10] [ 410.763148][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 410.763642][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 410.763642][ T10] netdev_get_by_index+0x5e/0x80 [ 410.763642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.763642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.763642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.763642][ T10] ipv6_add_addr+0x411/0x2000 [ 410.763642][ T10] inet6_addr_add+0x30e/0xa40 [ 410.763642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.763642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.763642][ T10] netlink_rcv_skb+0x130/0x360 [ 410.763642][ T10] netlink_unicast+0x449/0x710 [ 410.763642][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.763642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.763642][ T10] ___sys_sendmsg+0xee/0x170 [ 410.763642][ T10] __sys_sendmsg+0xcd/0x170 [ 410.763642][ T10] do_syscall_64+0xc6/0x1e0 [ 410.763642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.763642][ T10] [ 410.765625][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 410.765625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.765625][ T10] ipv6_find_idev+0x102/0x170 [ 410.765625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.765625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.765625][ T10] netlink_rcv_skb+0x130/0x360 [ 410.765625][ T10] netlink_unicast+0x449/0x710 [ 410.765625][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.765625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.765625][ T10] ___sys_sendmsg+0xee/0x170 [ 410.765625][ T10] __sys_sendmsg+0xcd/0x170 [ 410.765625][ T10] do_syscall_64+0xc6/0x1e0 [ 410.765625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.765625][ T10] [ 410.767200][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 410.767200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.767200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.767200][ T10] ipv6_find_idev+0x102/0x170 [ 410.767200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.767200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.767200][ T10] netlink_rcv_skb+0x130/0x360 [ 410.767200][ T10] netlink_unicast+0x449/0x710 [ 410.767200][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.767200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.767200][ T10] ___sys_sendmsg+0xee/0x170 [ 410.767200][ T10] __sys_sendmsg+0xcd/0x170 [ 410.767200][ T10] do_syscall_64+0xc6/0x1e0 [ 410.767200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.767200][ T10] [ 410.768966][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 410.769234][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 410.769234][ T10] netdev_get_by_index+0x5e/0x80 [ 410.769234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.769234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.769234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.769234][ T10] ipv6_add_addr+0x411/0x2000 [ 410.769234][ T10] inet6_addr_add+0x30e/0xa40 [ 410.769234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.769234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.769234][ T10] netlink_rcv_skb+0x130/0x360 [ 410.769234][ T10] netlink_unicast+0x449/0x710 [ 410.769234][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.769234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.769234][ T10] ___sys_sendmsg+0xee/0x170 [ 410.769234][ T10] __sys_sendmsg+0xcd/0x170 [ 410.769234][ T10] do_syscall_64+0xc6/0x1e0 [ 410.769234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.769234][ T10] [ 410.771494][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 410.771494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.771494][ T10] ipv6_find_idev+0x102/0x170 [ 410.771494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.771494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.771494][ T10] netlink_rcv_skb+0x130/0x360 [ 410.771494][ T10] netlink_unicast+0x449/0x710 [ 410.771494][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.771494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.771494][ T10] ___sys_sendmsg+0xee/0x170 [ 410.771494][ T10] __sys_sendmsg+0xcd/0x170 [ 410.771494][ T10] do_syscall_64+0xc6/0x1e0 [ 410.771494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.771494][ T10] [ 410.773222][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 410.773222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.773222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.773222][ T10] ipv6_find_idev+0x102/0x170 [ 410.773222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.773222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.773222][ T10] netlink_rcv_skb+0x130/0x360 [ 410.773222][ T10] netlink_unicast+0x449/0x710 [ 410.773222][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.773222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.773222][ T10] ___sys_sendmsg+0xee/0x170 [ 410.773222][ T10] __sys_sendmsg+0xcd/0x170 [ 410.773222][ T10] do_syscall_64+0xc6/0x1e0 [ 410.773222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.773222][ T10] [ 410.775009][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 410.775700][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 410.775700][ T10] netdev_get_by_index+0x5e/0x80 [ 410.775700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.775700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.775700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.775700][ T10] ipv6_add_addr+0x411/0x2000 [ 410.775700][ T10] inet6_addr_add+0x30e/0xa40 [ 410.775700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.775700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.775700][ T10] netlink_rcv_skb+0x130/0x360 [ 410.775700][ T10] netlink_unicast+0x449/0x710 [ 410.775700][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.775700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.775700][ T10] ___sys_sendmsg+0xee/0x170 [ 410.775700][ T10] __sys_sendmsg+0xcd/0x170 [ 410.775700][ T10] do_syscall_64+0xc6/0x1e0 [ 410.775700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.775700][ T10] [ 410.777668][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 410.777668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.777668][ T10] ipv6_find_idev+0x102/0x170 [ 410.777668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.777668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.777668][ T10] netlink_rcv_skb+0x130/0x360 [ 410.777668][ T10] netlink_unicast+0x449/0x710 [ 410.777668][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.777668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.777668][ T10] ___sys_sendmsg+0xee/0x170 [ 410.777668][ T10] __sys_sendmsg+0xcd/0x170 [ 410.777668][ T10] do_syscall_64+0xc6/0x1e0 [ 410.777668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.777668][ T10] [ 410.779187][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 410.779187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.779187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.779187][ T10] ipv6_find_idev+0x102/0x170 [ 410.779187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.779187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.779187][ T10] netlink_rcv_skb+0x130/0x360 [ 410.779187][ T10] netlink_unicast+0x449/0x710 [ 410.779187][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.779187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.779187][ T10] ___sys_sendmsg+0xee/0x170 [ 410.779187][ T10] __sys_sendmsg+0xcd/0x170 [ 410.779187][ T10] do_syscall_64+0xc6/0x1e0 [ 410.779187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.779187][ T10] [ 410.780877][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 410.781196][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 410.781196][ T10] netdev_get_by_index+0x5e/0x80 [ 410.781196][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.781196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.781196][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.781196][ T10] ipv6_add_addr+0x411/0x2000 [ 410.781196][ T10] inet6_addr_add+0x30e/0xa40 [ 410.781196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.781196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.781196][ T10] netlink_rcv_skb+0x130/0x360 [ 410.781196][ T10] netlink_unicast+0x449/0x710 [ 410.781196][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.781196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.781196][ T10] ___sys_sendmsg+0xee/0x170 [ 410.781196][ T10] __sys_sendmsg+0xcd/0x170 [ 410.781196][ T10] do_syscall_64+0xc6/0x1e0 [ 410.781196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.781196][ T10] [ 410.783205][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 410.783205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.783205][ T10] ipv6_find_idev+0x102/0x170 [ 410.783205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.783205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.783205][ T10] netlink_rcv_skb+0x130/0x360 [ 410.783205][ T10] netlink_unicast+0x449/0x710 [ 410.783205][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.783205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.783205][ T10] ___sys_sendmsg+0xee/0x170 [ 410.783205][ T10] __sys_sendmsg+0xcd/0x170 [ 410.783205][ T10] do_syscall_64+0xc6/0x1e0 [ 410.783205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.783205][ T10] [ 410.784722][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 410.784722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.784722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.784722][ T10] ipv6_find_idev+0x102/0x170 [ 410.784722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.784722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.784722][ T10] netlink_rcv_skb+0x130/0x360 [ 410.784722][ T10] netlink_unicast+0x449/0x710 [ 410.784722][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.784722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.784722][ T10] ___sys_sendmsg+0xee/0x170 [ 410.784722][ T10] __sys_sendmsg+0xcd/0x170 [ 410.784722][ T10] do_syscall_64+0xc6/0x1e0 [ 410.784722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.784722][ T10] [ 410.786544][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 410.786806][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 410.786806][ T10] netdev_get_by_index+0x5e/0x80 [ 410.786806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.786806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.786806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.786806][ T10] ipv6_add_addr+0x411/0x2000 [ 410.786806][ T10] inet6_addr_add+0x30e/0xa40 [ 410.786806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.786806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.786806][ T10] netlink_rcv_skb+0x130/0x360 [ 410.786806][ T10] netlink_unicast+0x449/0x710 [ 410.786806][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.786806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.786806][ T10] ___sys_sendmsg+0xee/0x170 [ 410.786806][ T10] __sys_sendmsg+0xcd/0x170 [ 410.786806][ T10] do_syscall_64+0xc6/0x1e0 [ 410.786806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.786806][ T10] [ 410.788858][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 410.788858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.788858][ T10] ipv6_find_idev+0x102/0x170 [ 410.788858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.788858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.788858][ T10] netlink_rcv_skb+0x130/0x360 [ 410.788858][ T10] netlink_unicast+0x449/0x710 [ 410.788858][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.788858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.788858][ T10] ___sys_sendmsg+0xee/0x170 [ 410.788858][ T10] __sys_sendmsg+0xcd/0x170 [ 410.788858][ T10] do_syscall_64+0xc6/0x1e0 [ 410.788858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.788858][ T10] [ 410.790373][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 410.790373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.790373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.790373][ T10] ipv6_find_idev+0x102/0x170 [ 410.790373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.790373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.790373][ T10] netlink_rcv_skb+0x130/0x360 [ 410.790373][ T10] netlink_unicast+0x449/0x710 [ 410.790373][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.790373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.790373][ T10] ___sys_sendmsg+0xee/0x170 [ 410.790373][ T10] __sys_sendmsg+0xcd/0x170 [ 410.790373][ T10] do_syscall_64+0xc6/0x1e0 [ 410.790373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.790373][ T10] [ 410.792075][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 410.792396][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 410.792396][ T10] netdev_get_by_index+0x5e/0x80 [ 410.792396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.792396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.792396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.792396][ T10] ipv6_add_addr+0x411/0x2000 [ 410.792396][ T10] inet6_addr_add+0x30e/0xa40 [ 410.792396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.792396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.792396][ T10] netlink_rcv_skb+0x130/0x360 [ 410.792396][ T10] netlink_unicast+0x449/0x710 [ 410.792396][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.792396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.792396][ T10] ___sys_sendmsg+0xee/0x170 [ 410.792396][ T10] __sys_sendmsg+0xcd/0x170 [ 410.792396][ T10] do_syscall_64+0xc6/0x1e0 [ 410.792396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.792396][ T10] [ 410.794548][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 410.794548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.794548][ T10] ipv6_find_idev+0x102/0x170 [ 410.794548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.794548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.794548][ T10] netlink_rcv_skb+0x130/0x360 [ 410.794548][ T10] netlink_unicast+0x449/0x710 [ 410.794548][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.794548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.794548][ T10] ___sys_sendmsg+0xee/0x170 [ 410.794548][ T10] __sys_sendmsg+0xcd/0x170 [ 410.794548][ T10] do_syscall_64+0xc6/0x1e0 [ 410.794548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.794548][ T10] [ 410.796070][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 410.796070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.796070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.796070][ T10] ipv6_find_idev+0x102/0x170 [ 410.796070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.796070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.796070][ T10] netlink_rcv_skb+0x130/0x360 [ 410.796070][ T10] netlink_unicast+0x449/0x710 [ 410.796070][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.796070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.796070][ T10] ___sys_sendmsg+0xee/0x170 [ 410.796070][ T10] __sys_sendmsg+0xcd/0x170 [ 410.796070][ T10] do_syscall_64+0xc6/0x1e0 [ 410.796070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.796070][ T10] [ 420.912115][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 420.912544][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 420.912544][ T10] netdev_get_by_index+0x5e/0x80 [ 420.912544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.912544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.912544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.912544][ T10] ipv6_add_addr+0x411/0x2000 [ 420.912544][ T10] inet6_addr_add+0x30e/0xa40 [ 420.912544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.912544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.912544][ T10] netlink_rcv_skb+0x130/0x360 [ 420.912544][ T10] netlink_unicast+0x449/0x710 [ 420.912544][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.912544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.912544][ T10] ___sys_sendmsg+0xee/0x170 [ 420.912544][ T10] __sys_sendmsg+0xcd/0x170 [ 420.912544][ T10] do_syscall_64+0xc6/0x1e0 [ 420.912544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.912544][ T10] [ 420.914522][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 420.914522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.914522][ T10] ipv6_find_idev+0x102/0x170 [ 420.914522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.914522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.914522][ T10] netlink_rcv_skb+0x130/0x360 [ 420.914522][ T10] netlink_unicast+0x449/0x710 [ 420.914522][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.914522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.914522][ T10] ___sys_sendmsg+0xee/0x170 [ 420.914522][ T10] __sys_sendmsg+0xcd/0x170 [ 420.914522][ T10] do_syscall_64+0xc6/0x1e0 [ 420.914522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.914522][ T10] [ 420.916044][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 420.916044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.916044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.916044][ T10] ipv6_find_idev+0x102/0x170 [ 420.916044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.916044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.916044][ T10] netlink_rcv_skb+0x130/0x360 [ 420.916044][ T10] netlink_unicast+0x449/0x710 [ 420.916044][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.916044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.916044][ T10] ___sys_sendmsg+0xee/0x170 [ 420.916044][ T10] __sys_sendmsg+0xcd/0x170 [ 420.916044][ T10] do_syscall_64+0xc6/0x1e0 [ 420.916044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.916044][ T10] [ 420.917744][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 420.918016][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 420.918016][ T10] netdev_get_by_index+0x5e/0x80 [ 420.918016][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.918016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.918016][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.918016][ T10] ipv6_add_addr+0x411/0x2000 [ 420.918016][ T10] inet6_addr_add+0x30e/0xa40 [ 420.918016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.918016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.918016][ T10] netlink_rcv_skb+0x130/0x360 [ 420.918016][ T10] netlink_unicast+0x449/0x710 [ 420.918016][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.918016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.918016][ T10] ___sys_sendmsg+0xee/0x170 [ 420.918016][ T10] __sys_sendmsg+0xcd/0x170 [ 420.918016][ T10] do_syscall_64+0xc6/0x1e0 [ 420.918016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.918016][ T10] [ 420.919991][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 420.919991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.919991][ T10] ipv6_find_idev+0x102/0x170 [ 420.919991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.919991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.919991][ T10] netlink_rcv_skb+0x130/0x360 [ 420.919991][ T10] netlink_unicast+0x449/0x710 [ 420.919991][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.919991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.919991][ T10] ___sys_sendmsg+0xee/0x170 [ 420.919991][ T10] __sys_sendmsg+0xcd/0x170 [ 420.919991][ T10] do_syscall_64+0xc6/0x1e0 [ 420.919991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.919991][ T10] [ 420.921510][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 420.921510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.921510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.921510][ T10] ipv6_find_idev+0x102/0x170 [ 420.921510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.921510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.921510][ T10] netlink_rcv_skb+0x130/0x360 [ 420.921510][ T10] netlink_unicast+0x449/0x710 [ 420.921510][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.921510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.921510][ T10] ___sys_sendmsg+0xee/0x170 [ 420.921510][ T10] __sys_sendmsg+0xcd/0x170 [ 420.921510][ T10] do_syscall_64+0xc6/0x1e0 [ 420.921510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.921510][ T10] [ 420.923421][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 420.923705][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 420.923705][ T10] netdev_get_by_index+0x5e/0x80 [ 420.923705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.923705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.923705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.923705][ T10] ipv6_add_addr+0x411/0x2000 [ 420.923705][ T10] inet6_addr_add+0x30e/0xa40 [ 420.923705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.923705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.923705][ T10] netlink_rcv_skb+0x130/0x360 [ 420.923705][ T10] netlink_unicast+0x449/0x710 [ 420.923705][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.923705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.923705][ T10] ___sys_sendmsg+0xee/0x170 [ 420.923705][ T10] __sys_sendmsg+0xcd/0x170 [ 420.923705][ T10] do_syscall_64+0xc6/0x1e0 [ 420.923705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.923705][ T10] [ 420.925665][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 420.925665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.925665][ T10] ipv6_find_idev+0x102/0x170 [ 420.925665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.925665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.925665][ T10] netlink_rcv_skb+0x130/0x360 [ 420.925665][ T10] netlink_unicast+0x449/0x710 [ 420.925665][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.925665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.925665][ T10] ___sys_sendmsg+0xee/0x170 [ 420.925665][ T10] __sys_sendmsg+0xcd/0x170 [ 420.925665][ T10] do_syscall_64+0xc6/0x1e0 [ 420.925665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.925665][ T10] [ 420.927168][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 420.927168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.927168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.927168][ T10] ipv6_find_idev+0x102/0x170 [ 420.927168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.927168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.927168][ T10] netlink_rcv_skb+0x130/0x360 [ 420.927168][ T10] netlink_unicast+0x449/0x710 [ 420.927168][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.927168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.927168][ T10] ___sys_sendmsg+0xee/0x170 [ 420.927168][ T10] __sys_sendmsg+0xcd/0x170 [ 420.927168][ T10] do_syscall_64+0xc6/0x1e0 [ 420.927168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.927168][ T10] [ 420.928845][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 420.929136][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 420.929136][ T10] netdev_get_by_index+0x5e/0x80 [ 420.929136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.929136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.929136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.929136][ T10] ipv6_add_addr+0x411/0x2000 [ 420.929136][ T10] inet6_addr_add+0x30e/0xa40 [ 420.929136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.929136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.929136][ T10] netlink_rcv_skb+0x130/0x360 [ 420.929136][ T10] netlink_unicast+0x449/0x710 [ 420.929136][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.929136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.929136][ T10] ___sys_sendmsg+0xee/0x170 [ 420.929136][ T10] __sys_sendmsg+0xcd/0x170 [ 420.929136][ T10] do_syscall_64+0xc6/0x1e0 [ 420.929136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.929136][ T10] [ 420.931105][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 420.931105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.931105][ T10] ipv6_find_idev+0x102/0x170 [ 420.931105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.931105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.931105][ T10] netlink_rcv_skb+0x130/0x360 [ 420.931105][ T10] netlink_unicast+0x449/0x710 [ 420.931105][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.931105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.931105][ T10] ___sys_sendmsg+0xee/0x170 [ 420.931105][ T10] __sys_sendmsg+0xcd/0x170 [ 420.931105][ T10] do_syscall_64+0xc6/0x1e0 [ 420.931105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.931105][ T10] [ 420.932624][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 420.932624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.932624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.932624][ T10] ipv6_find_idev+0x102/0x170 [ 420.932624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.932624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.932624][ T10] netlink_rcv_skb+0x130/0x360 [ 420.932624][ T10] netlink_unicast+0x449/0x710 [ 420.932624][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.932624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.932624][ T10] ___sys_sendmsg+0xee/0x170 [ 420.932624][ T10] __sys_sendmsg+0xcd/0x170 [ 420.932624][ T10] do_syscall_64+0xc6/0x1e0 [ 420.932624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.932624][ T10] [ 420.934298][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 420.934566][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 420.934566][ T10] netdev_get_by_index+0x5e/0x80 [ 420.934566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.934566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.934566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.934566][ T10] ipv6_add_addr+0x411/0x2000 [ 420.934566][ T10] inet6_addr_add+0x30e/0xa40 [ 420.934566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.934566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.934566][ T10] netlink_rcv_skb+0x130/0x360 [ 420.934566][ T10] netlink_unicast+0x449/0x710 [ 420.934566][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.934566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.934566][ T10] ___sys_sendmsg+0xee/0x170 [ 420.934566][ T10] __sys_sendmsg+0xcd/0x170 [ 420.934566][ T10] do_syscall_64+0xc6/0x1e0 [ 420.934566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.934566][ T10] [ 420.936536][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 420.936536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.936536][ T10] ipv6_find_idev+0x102/0x170 [ 420.936536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.936536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.936536][ T10] netlink_rcv_skb+0x130/0x360 [ 420.936536][ T10] netlink_unicast+0x449/0x710 [ 420.936536][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.936536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.936536][ T10] ___sys_sendmsg+0xee/0x170 [ 420.936536][ T10] __sys_sendmsg+0xcd/0x170 [ 420.936536][ T10] do_syscall_64+0xc6/0x1e0 [ 420.936536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.936536][ T10] [ 420.938093][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 420.938093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.938093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.938093][ T10] ipv6_find_idev+0x102/0x170 [ 420.938093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.938093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.938093][ T10] netlink_rcv_skb+0x130/0x360 [ 420.938093][ T10] netlink_unicast+0x449/0x710 [ 420.938093][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.938093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.938093][ T10] ___sys_sendmsg+0xee/0x170 [ 420.938093][ T10] __sys_sendmsg+0xcd/0x170 [ 420.938093][ T10] do_syscall_64+0xc6/0x1e0 [ 420.938093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.938093][ T10] [ 420.939990][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 420.940308][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 420.940308][ T10] netdev_get_by_index+0x5e/0x80 [ 420.940308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.940308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.940308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.940308][ T10] ipv6_add_addr+0x411/0x2000 [ 420.940308][ T10] inet6_addr_add+0x30e/0xa40 [ 420.940308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.940308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.940308][ T10] netlink_rcv_skb+0x130/0x360 [ 420.940308][ T10] netlink_unicast+0x449/0x710 [ 420.940308][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.940308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.940308][ T10] ___sys_sendmsg+0xee/0x170 [ 420.940308][ T10] __sys_sendmsg+0xcd/0x170 [ 420.940308][ T10] do_syscall_64+0xc6/0x1e0 [ 420.940308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.940308][ T10] [ 420.942459][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 420.942459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.942459][ T10] ipv6_find_idev+0x102/0x170 [ 420.942459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.942459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.942459][ T10] netlink_rcv_skb+0x130/0x360 [ 420.942459][ T10] netlink_unicast+0x449/0x710 [ 420.942459][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.942459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.942459][ T10] ___sys_sendmsg+0xee/0x170 [ 420.942459][ T10] __sys_sendmsg+0xcd/0x170 [ 420.942459][ T10] do_syscall_64+0xc6/0x1e0 [ 420.942459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.942459][ T10] [ 420.944165][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 420.944165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.944165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.944165][ T10] ipv6_find_idev+0x102/0x170 [ 420.944165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.944165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.944165][ T10] netlink_rcv_skb+0x130/0x360 [ 420.944165][ T10] netlink_unicast+0x449/0x710 [ 420.944165][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.944165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.944165][ T10] ___sys_sendmsg+0xee/0x170 [ 420.944165][ T10] __sys_sendmsg+0xcd/0x170 [ 420.944165][ T10] do_syscall_64+0xc6/0x1e0 [ 420.944165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.944165][ T10] [ 420.946115][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 420.946383][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 420.946383][ T10] netdev_get_by_index+0x5e/0x80 [ 420.946383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.946383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.946383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.946383][ T10] ipv6_add_addr+0x411/0x2000 [ 420.946383][ T10] inet6_addr_add+0x30e/0xa40 [ 420.946383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.946383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.946383][ T10] netlink_rcv_skb+0x130/0x360 [ 420.946383][ T10] netlink_unicast+0x449/0x710 [ 420.946383][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.946383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.946383][ T10] ___sys_sendmsg+0xee/0x170 [ 420.946383][ T10] __sys_sendmsg+0xcd/0x170 [ 420.946383][ T10] do_syscall_64+0xc6/0x1e0 [ 420.946383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.946383][ T10] [ 420.948505][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 420.948505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.948505][ T10] ipv6_find_idev+0x102/0x170 [ 420.948505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.948505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.948505][ T10] netlink_rcv_skb+0x130/0x360 [ 420.948505][ T10] netlink_unicast+0x449/0x710 [ 420.948505][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.948505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.948505][ T10] ___sys_sendmsg+0xee/0x170 [ 420.948505][ T10] __sys_sendmsg+0xcd/0x170 [ 420.948505][ T10] do_syscall_64+0xc6/0x1e0 [ 420.948505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.948505][ T10] [ 420.950184][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 420.950184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.950184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.950184][ T10] ipv6_find_idev+0x102/0x170 [ 420.950184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.950184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.950184][ T10] netlink_rcv_skb+0x130/0x360 [ 420.950184][ T10] netlink_unicast+0x449/0x710 [ 420.950184][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.950184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.950184][ T10] ___sys_sendmsg+0xee/0x170 [ 420.950184][ T10] __sys_sendmsg+0xcd/0x170 [ 420.950184][ T10] do_syscall_64+0xc6/0x1e0 [ 420.950184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.950184][ T10] [ 420.952231][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 420.952498][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 420.952498][ T10] netdev_get_by_index+0x5e/0x80 [ 420.952498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.952498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.952498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.952498][ T10] ipv6_add_addr+0x411/0x2000 [ 420.952498][ T10] inet6_addr_add+0x30e/0xa40 [ 420.952498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.952498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.952498][ T10] netlink_rcv_skb+0x130/0x360 [ 420.952498][ T10] netlink_unicast+0x449/0x710 [ 420.952498][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.952498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.952498][ T10] ___sys_sendmsg+0xee/0x170 [ 420.952498][ T10] __sys_sendmsg+0xcd/0x170 [ 420.952498][ T10] do_syscall_64+0xc6/0x1e0 [ 420.952498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.952498][ T10] [ 420.954584][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 420.954584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.954584][ T10] ipv6_find_idev+0x102/0x170 [ 420.954584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.954584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.954584][ T10] netlink_rcv_skb+0x130/0x360 [ 420.954584][ T10] netlink_unicast+0x449/0x710 [ 420.954584][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.954584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.954584][ T10] ___sys_sendmsg+0xee/0x170 [ 420.954584][ T10] __sys_sendmsg+0xcd/0x170 [ 420.954584][ T10] do_syscall_64+0xc6/0x1e0 [ 420.954584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.954584][ T10] [ 420.956225][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 420.956225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.956225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.956225][ T10] ipv6_find_idev+0x102/0x170 [ 420.956225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.956225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.956225][ T10] netlink_rcv_skb+0x130/0x360 [ 420.956225][ T10] netlink_unicast+0x449/0x710 [ 420.956225][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.956225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.956225][ T10] ___sys_sendmsg+0xee/0x170 [ 420.956225][ T10] __sys_sendmsg+0xcd/0x170 [ 420.956225][ T10] do_syscall_64+0xc6/0x1e0 [ 420.956225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.956225][ T10] [ 431.104116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 431.104439][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 431.104439][ T10] netdev_get_by_index+0x5e/0x80 [ 431.104439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.104439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.104439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.104439][ T10] ipv6_add_addr+0x411/0x2000 [ 431.104439][ T10] inet6_addr_add+0x30e/0xa40 [ 431.104439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.104439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.104439][ T10] netlink_rcv_skb+0x130/0x360 [ 431.104439][ T10] netlink_unicast+0x449/0x710 [ 431.104439][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.104439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.104439][ T10] ___sys_sendmsg+0xee/0x170 [ 431.104439][ T10] __sys_sendmsg+0xcd/0x170 [ 431.104439][ T10] do_syscall_64+0xc6/0x1e0 [ 431.104439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.104439][ T10] [ 431.106448][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 431.106448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.106448][ T10] ipv6_find_idev+0x102/0x170 [ 431.106448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.106448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.106448][ T10] netlink_rcv_skb+0x130/0x360 [ 431.106448][ T10] netlink_unicast+0x449/0x710 [ 431.106448][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.106448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.106448][ T10] ___sys_sendmsg+0xee/0x170 [ 431.106448][ T10] __sys_sendmsg+0xcd/0x170 [ 431.106448][ T10] do_syscall_64+0xc6/0x1e0 [ 431.106448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.106448][ T10] [ 431.107987][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 431.107987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.107987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.107987][ T10] ipv6_find_idev+0x102/0x170 [ 431.107987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.107987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.107987][ T10] netlink_rcv_skb+0x130/0x360 [ 431.107987][ T10] netlink_unicast+0x449/0x710 [ 431.107987][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.107987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.107987][ T10] ___sys_sendmsg+0xee/0x170 [ 431.107987][ T10] __sys_sendmsg+0xcd/0x170 [ 431.107987][ T10] do_syscall_64+0xc6/0x1e0 [ 431.107987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.107987][ T10] [ 431.110170][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 431.110444][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 431.110444][ T10] netdev_get_by_index+0x5e/0x80 [ 431.110444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.110444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.110444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.110444][ T10] ipv6_add_addr+0x411/0x2000 [ 431.110444][ T10] inet6_addr_add+0x30e/0xa40 [ 431.110444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.110444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.110444][ T10] netlink_rcv_skb+0x130/0x360 [ 431.110444][ T10] netlink_unicast+0x449/0x710 [ 431.110444][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.110444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.110444][ T10] ___sys_sendmsg+0xee/0x170 [ 431.110444][ T10] __sys_sendmsg+0xcd/0x170 [ 431.110444][ T10] do_syscall_64+0xc6/0x1e0 [ 431.110444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.110444][ T10] [ 431.112440][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 431.112440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.112440][ T10] ipv6_find_idev+0x102/0x170 [ 431.112440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.112440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.112440][ T10] netlink_rcv_skb+0x130/0x360 [ 431.112440][ T10] netlink_unicast+0x449/0x710 [ 431.112440][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.112440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.112440][ T10] ___sys_sendmsg+0xee/0x170 [ 431.112440][ T10] __sys_sendmsg+0xcd/0x170 [ 431.112440][ T10] do_syscall_64+0xc6/0x1e0 [ 431.112440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.112440][ T10] [ 431.113965][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 431.113965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.113965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.113965][ T10] ipv6_find_idev+0x102/0x170 [ 431.113965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.113965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.113965][ T10] netlink_rcv_skb+0x130/0x360 [ 431.113965][ T10] netlink_unicast+0x449/0x710 [ 431.113965][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.113965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.113965][ T10] ___sys_sendmsg+0xee/0x170 [ 431.113965][ T10] __sys_sendmsg+0xcd/0x170 [ 431.113965][ T10] do_syscall_64+0xc6/0x1e0 [ 431.113965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.113965][ T10] [ 431.115661][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 431.115920][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 431.115920][ T10] netdev_get_by_index+0x5e/0x80 [ 431.115920][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.115920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.115920][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.115920][ T10] ipv6_add_addr+0x411/0x2000 [ 431.115920][ T10] inet6_addr_add+0x30e/0xa40 [ 431.115920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.115920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.115920][ T10] netlink_rcv_skb+0x130/0x360 [ 431.115920][ T10] netlink_unicast+0x449/0x710 [ 431.115920][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.115920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.115920][ T10] ___sys_sendmsg+0xee/0x170 [ 431.115920][ T10] __sys_sendmsg+0xcd/0x170 [ 431.115920][ T10] do_syscall_64+0xc6/0x1e0 [ 431.115920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.115920][ T10] [ 431.117883][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 431.117883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.117883][ T10] ipv6_find_idev+0x102/0x170 [ 431.117883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.117883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.117883][ T10] netlink_rcv_skb+0x130/0x360 [ 431.117883][ T10] netlink_unicast+0x449/0x710 [ 431.117883][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.117883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.117883][ T10] ___sys_sendmsg+0xee/0x170 [ 431.117883][ T10] __sys_sendmsg+0xcd/0x170 [ 431.117883][ T10] do_syscall_64+0xc6/0x1e0 [ 431.117883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.117883][ T10] [ 431.119426][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 431.119426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.119426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.119426][ T10] ipv6_find_idev+0x102/0x170 [ 431.119426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.119426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.119426][ T10] netlink_rcv_skb+0x130/0x360 [ 431.119426][ T10] netlink_unicast+0x449/0x710 [ 431.119426][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.119426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.119426][ T10] ___sys_sendmsg+0xee/0x170 [ 431.119426][ T10] __sys_sendmsg+0xcd/0x170 [ 431.119426][ T10] do_syscall_64+0xc6/0x1e0 [ 431.119426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.119426][ T10] [ 431.121205][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 431.121468][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 431.121468][ T10] netdev_get_by_index+0x5e/0x80 [ 431.121468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.121468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.121468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.121468][ T10] ipv6_add_addr+0x411/0x2000 [ 431.121468][ T10] inet6_addr_add+0x30e/0xa40 [ 431.121468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.121468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.121468][ T10] netlink_rcv_skb+0x130/0x360 [ 431.121468][ T10] netlink_unicast+0x449/0x710 [ 431.121468][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.121468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.121468][ T10] ___sys_sendmsg+0xee/0x170 [ 431.121468][ T10] __sys_sendmsg+0xcd/0x170 [ 431.121468][ T10] do_syscall_64+0xc6/0x1e0 [ 431.121468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.121468][ T10] [ 431.123793][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 431.123793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.123793][ T10] ipv6_find_idev+0x102/0x170 [ 431.123793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.123793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.123793][ T10] netlink_rcv_skb+0x130/0x360 [ 431.123793][ T10] netlink_unicast+0x449/0x710 [ 431.123793][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.123793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.123793][ T10] ___sys_sendmsg+0xee/0x170 [ 431.123793][ T10] __sys_sendmsg+0xcd/0x170 [ 431.123793][ T10] do_syscall_64+0xc6/0x1e0 [ 431.123793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.123793][ T10] [ 431.125588][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 431.125588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.125588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.125588][ T10] ipv6_find_idev+0x102/0x170 [ 431.125588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.125588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.125588][ T10] netlink_rcv_skb+0x130/0x360 [ 431.125588][ T10] netlink_unicast+0x449/0x710 [ 431.125588][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.125588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.125588][ T10] ___sys_sendmsg+0xee/0x170 [ 431.125588][ T10] __sys_sendmsg+0xcd/0x170 [ 431.125588][ T10] do_syscall_64+0xc6/0x1e0 [ 431.125588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.125588][ T10] [ 431.127486][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 431.127749][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 431.127749][ T10] netdev_get_by_index+0x5e/0x80 [ 431.127749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.127749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.127749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.127749][ T10] ipv6_add_addr+0x411/0x2000 [ 431.127749][ T10] inet6_addr_add+0x30e/0xa40 [ 431.127749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.127749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.127749][ T10] netlink_rcv_skb+0x130/0x360 [ 431.127749][ T10] netlink_unicast+0x449/0x710 [ 431.127749][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.127749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.127749][ T10] ___sys_sendmsg+0xee/0x170 [ 431.127749][ T10] __sys_sendmsg+0xcd/0x170 [ 431.127749][ T10] do_syscall_64+0xc6/0x1e0 [ 431.127749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.127749][ T10] [ 431.129912][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 431.129912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.129912][ T10] ipv6_find_idev+0x102/0x170 [ 431.129912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.129912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.129912][ T10] netlink_rcv_skb+0x130/0x360 [ 431.129912][ T10] netlink_unicast+0x449/0x710 [ 431.129912][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.129912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.129912][ T10] ___sys_sendmsg+0xee/0x170 [ 431.129912][ T10] __sys_sendmsg+0xcd/0x170 [ 431.129912][ T10] do_syscall_64+0xc6/0x1e0 [ 431.129912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.129912][ T10] [ 431.131619][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 431.131619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.131619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.131619][ T10] ipv6_find_idev+0x102/0x170 [ 431.131619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.131619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.131619][ T10] netlink_rcv_skb+0x130/0x360 [ 431.131619][ T10] netlink_unicast+0x449/0x710 [ 431.131619][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.131619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.131619][ T10] ___sys_sendmsg+0xee/0x170 [ 431.131619][ T10] __sys_sendmsg+0xcd/0x170 [ 431.131619][ T10] do_syscall_64+0xc6/0x1e0 [ 431.131619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.131619][ T10] [ 431.133396][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 431.133656][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 431.133656][ T10] netdev_get_by_index+0x5e/0x80 [ 431.133656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.133656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.133656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.133656][ T10] ipv6_add_addr+0x411/0x2000 [ 431.133656][ T10] inet6_addr_add+0x30e/0xa40 [ 431.133656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.133656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.133656][ T10] netlink_rcv_skb+0x130/0x360 [ 431.133656][ T10] netlink_unicast+0x449/0x710 [ 431.133656][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.133656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.133656][ T10] ___sys_sendmsg+0xee/0x170 [ 431.133656][ T10] __sys_sendmsg+0xcd/0x170 [ 431.133656][ T10] do_syscall_64+0xc6/0x1e0 [ 431.133656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.133656][ T10] [ 431.135875][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 431.135875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.135875][ T10] ipv6_find_idev+0x102/0x170 [ 431.135875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.135875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.135875][ T10] netlink_rcv_skb+0x130/0x360 [ 431.135875][ T10] netlink_unicast+0x449/0x710 [ 431.135875][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.135875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.135875][ T10] ___sys_sendmsg+0xee/0x170 [ 431.135875][ T10] __sys_sendmsg+0xcd/0x170 [ 431.135875][ T10] do_syscall_64+0xc6/0x1e0 [ 431.135875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.135875][ T10] [ 431.137593][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 431.137593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.137593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.137593][ T10] ipv6_find_idev+0x102/0x170 [ 431.137593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.137593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.137593][ T10] netlink_rcv_skb+0x130/0x360 [ 431.137593][ T10] netlink_unicast+0x449/0x710 [ 431.137593][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.137593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.137593][ T10] ___sys_sendmsg+0xee/0x170 [ 431.137593][ T10] __sys_sendmsg+0xcd/0x170 [ 431.137593][ T10] do_syscall_64+0xc6/0x1e0 [ 431.137593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.137593][ T10] [ 431.139423][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 431.139688][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 431.139688][ T10] netdev_get_by_index+0x5e/0x80 [ 431.139688][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.139688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.139688][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.139688][ T10] ipv6_add_addr+0x411/0x2000 [ 431.139688][ T10] inet6_addr_add+0x30e/0xa40 [ 431.139688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.139688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.139688][ T10] netlink_rcv_skb+0x130/0x360 [ 431.139688][ T10] netlink_unicast+0x449/0x710 [ 431.139688][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.139688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.139688][ T10] ___sys_sendmsg+0xee/0x170 [ 431.139688][ T10] __sys_sendmsg+0xcd/0x170 [ 431.139688][ T10] do_syscall_64+0xc6/0x1e0 [ 431.139688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.139688][ T10] [ 431.141740][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 431.141740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.141740][ T10] ipv6_find_idev+0x102/0x170 [ 431.141740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.141740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.141740][ T10] netlink_rcv_skb+0x130/0x360 [ 431.141740][ T10] netlink_unicast+0x449/0x710 [ 431.141740][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.141740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.141740][ T10] ___sys_sendmsg+0xee/0x170 [ 431.141740][ T10] __sys_sendmsg+0xcd/0x170 [ 431.141740][ T10] do_syscall_64+0xc6/0x1e0 [ 431.141740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.141740][ T10] [ 431.143278][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 431.143278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.143278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.143278][ T10] ipv6_find_idev+0x102/0x170 [ 431.143278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.143278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.143278][ T10] netlink_rcv_skb+0x130/0x360 [ 431.143278][ T10] netlink_unicast+0x449/0x710 [ 431.143278][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.143278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.143278][ T10] ___sys_sendmsg+0xee/0x170 [ 431.143278][ T10] __sys_sendmsg+0xcd/0x170 [ 431.143278][ T10] do_syscall_64+0xc6/0x1e0 [ 431.143278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.143278][ T10] [ 431.145110][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 431.145376][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 431.145376][ T10] netdev_get_by_index+0x5e/0x80 [ 431.145376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.145376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.145376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.145376][ T10] ipv6_add_addr+0x411/0x2000 [ 431.145376][ T10] inet6_addr_add+0x30e/0xa40 [ 431.145376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.145376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.145376][ T10] netlink_rcv_skb+0x130/0x360 [ 431.145376][ T10] netlink_unicast+0x449/0x710 [ 431.145376][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.145376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.145376][ T10] ___sys_sendmsg+0xee/0x170 [ 431.145376][ T10] __sys_sendmsg+0xcd/0x170 [ 431.145376][ T10] do_syscall_64+0xc6/0x1e0 [ 431.145376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.145376][ T10] [ 431.147550][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 431.147550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.147550][ T10] ipv6_find_idev+0x102/0x170 [ 431.147550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.147550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.147550][ T10] netlink_rcv_skb+0x130/0x360 [ 431.147550][ T10] netlink_unicast+0x449/0x710 [ 431.147550][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.147550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.147550][ T10] ___sys_sendmsg+0xee/0x170 [ 431.147550][ T10] __sys_sendmsg+0xcd/0x170 [ 431.147550][ T10] do_syscall_64+0xc6/0x1e0 [ 431.147550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.147550][ T10] [ 431.149220][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 431.149220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.149220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.149220][ T10] ipv6_find_idev+0x102/0x170 [ 431.149220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.149220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.149220][ T10] netlink_rcv_skb+0x130/0x360 [ 431.149220][ T10] netlink_unicast+0x449/0x710 [ 431.149220][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.149220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.149220][ T10] ___sys_sendmsg+0xee/0x170 [ 431.149220][ T10] __sys_sendmsg+0xcd/0x170 [ 431.149220][ T10] do_syscall_64+0xc6/0x1e0 [ 431.149220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.149220][ T10] [ 441.272216][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 441.272541][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 441.272541][ T10] netdev_get_by_index+0x5e/0x80 [ 441.272541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.272541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.272541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.272541][ T10] ipv6_add_addr+0x411/0x2000 [ 441.272541][ T10] inet6_addr_add+0x30e/0xa40 [ 441.272541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.272541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.272541][ T10] netlink_rcv_skb+0x130/0x360 [ 441.272541][ T10] netlink_unicast+0x449/0x710 [ 441.272541][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.272541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.272541][ T10] ___sys_sendmsg+0xee/0x170 [ 441.272541][ T10] __sys_sendmsg+0xcd/0x170 [ 441.272541][ T10] do_syscall_64+0xc6/0x1e0 [ 441.272541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.272541][ T10] [ 441.274564][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 441.274564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.274564][ T10] ipv6_find_idev+0x102/0x170 [ 441.274564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.274564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.274564][ T10] netlink_rcv_skb+0x130/0x360 [ 441.274564][ T10] netlink_unicast+0x449/0x710 [ 441.274564][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.274564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.274564][ T10] ___sys_sendmsg+0xee/0x170 [ 441.274564][ T10] __sys_sendmsg+0xcd/0x170 [ 441.274564][ T10] do_syscall_64+0xc6/0x1e0 [ 441.274564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.274564][ T10] [ 441.276108][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 441.276108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.276108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.276108][ T10] ipv6_find_idev+0x102/0x170 [ 441.276108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.276108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.276108][ T10] netlink_rcv_skb+0x130/0x360 [ 441.276108][ T10] netlink_unicast+0x449/0x710 [ 441.276108][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.276108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.276108][ T10] ___sys_sendmsg+0xee/0x170 [ 441.276108][ T10] __sys_sendmsg+0xcd/0x170 [ 441.276108][ T10] do_syscall_64+0xc6/0x1e0 [ 441.276108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.276108][ T10] [ 441.278238][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 441.278555][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 441.278555][ T10] netdev_get_by_index+0x5e/0x80 [ 441.278555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.278555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.278555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.278555][ T10] ipv6_add_addr+0x411/0x2000 [ 441.278555][ T10] inet6_addr_add+0x30e/0xa40 [ 441.278555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.278555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.278555][ T10] netlink_rcv_skb+0x130/0x360 [ 441.278555][ T10] netlink_unicast+0x449/0x710 [ 441.278555][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.278555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.278555][ T10] ___sys_sendmsg+0xee/0x170 [ 441.278555][ T10] __sys_sendmsg+0xcd/0x170 [ 441.278555][ T10] do_syscall_64+0xc6/0x1e0 [ 441.278555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.278555][ T10] [ 441.280555][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 441.280555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.280555][ T10] ipv6_find_idev+0x102/0x170 [ 441.280555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.280555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.280555][ T10] netlink_rcv_skb+0x130/0x360 [ 441.280555][ T10] netlink_unicast+0x449/0x710 [ 441.280555][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.280555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.280555][ T10] ___sys_sendmsg+0xee/0x170 [ 441.280555][ T10] __sys_sendmsg+0xcd/0x170 [ 441.280555][ T10] do_syscall_64+0xc6/0x1e0 [ 441.280555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.280555][ T10] [ 441.282117][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 441.282117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.282117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.282117][ T10] ipv6_find_idev+0x102/0x170 [ 441.282117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.282117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.282117][ T10] netlink_rcv_skb+0x130/0x360 [ 441.282117][ T10] netlink_unicast+0x449/0x710 [ 441.282117][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.282117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.282117][ T10] ___sys_sendmsg+0xee/0x170 [ 441.282117][ T10] __sys_sendmsg+0xcd/0x170 [ 441.282117][ T10] do_syscall_64+0xc6/0x1e0 [ 441.282117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.282117][ T10] [ 441.283857][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 441.284176][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 441.284176][ T10] netdev_get_by_index+0x5e/0x80 [ 441.284176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.284176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.284176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.284176][ T10] ipv6_add_addr+0x411/0x2000 [ 441.284176][ T10] inet6_addr_add+0x30e/0xa40 [ 441.284176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.284176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.284176][ T10] netlink_rcv_skb+0x130/0x360 [ 441.284176][ T10] netlink_unicast+0x449/0x710 [ 441.284176][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.284176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.284176][ T10] ___sys_sendmsg+0xee/0x170 [ 441.284176][ T10] __sys_sendmsg+0xcd/0x170 [ 441.284176][ T10] do_syscall_64+0xc6/0x1e0 [ 441.284176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.284176][ T10] [ 441.286218][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 441.286218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.286218][ T10] ipv6_find_idev+0x102/0x170 [ 441.286218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.286218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.286218][ T10] netlink_rcv_skb+0x130/0x360 [ 441.286218][ T10] netlink_unicast+0x449/0x710 [ 441.286218][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.286218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.286218][ T10] ___sys_sendmsg+0xee/0x170 [ 441.286218][ T10] __sys_sendmsg+0xcd/0x170 [ 441.286218][ T10] do_syscall_64+0xc6/0x1e0 [ 441.286218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.286218][ T10] [ 441.287815][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 441.287815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.287815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.287815][ T10] ipv6_find_idev+0x102/0x170 [ 441.287815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.287815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.287815][ T10] netlink_rcv_skb+0x130/0x360 [ 441.287815][ T10] netlink_unicast+0x449/0x710 [ 441.287815][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.287815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.287815][ T10] ___sys_sendmsg+0xee/0x170 [ 441.287815][ T10] __sys_sendmsg+0xcd/0x170 [ 441.287815][ T10] do_syscall_64+0xc6/0x1e0 [ 441.287815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.287815][ T10] [ 441.289788][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 441.290116][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 441.290116][ T10] netdev_get_by_index+0x5e/0x80 [ 441.290116][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.290116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.290116][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.290116][ T10] ipv6_add_addr+0x411/0x2000 [ 441.290116][ T10] inet6_addr_add+0x30e/0xa40 [ 441.290116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.290116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.290116][ T10] netlink_rcv_skb+0x130/0x360 [ 441.290116][ T10] netlink_unicast+0x449/0x710 [ 441.290116][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.290116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.290116][ T10] ___sys_sendmsg+0xee/0x170 [ 441.290116][ T10] __sys_sendmsg+0xcd/0x170 [ 441.290116][ T10] do_syscall_64+0xc6/0x1e0 [ 441.290116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.290116][ T10] [ 441.292433][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 441.292433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.292433][ T10] ipv6_find_idev+0x102/0x170 [ 441.292433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.292433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.292433][ T10] netlink_rcv_skb+0x130/0x360 [ 441.292433][ T10] netlink_unicast+0x449/0x710 [ 441.292433][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.292433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.292433][ T10] ___sys_sendmsg+0xee/0x170 [ 441.292433][ T10] __sys_sendmsg+0xcd/0x170 [ 441.292433][ T10] do_syscall_64+0xc6/0x1e0 [ 441.292433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.292433][ T10] [ 441.294130][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 441.294130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.294130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.294130][ T10] ipv6_find_idev+0x102/0x170 [ 441.294130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.294130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.294130][ T10] netlink_rcv_skb+0x130/0x360 [ 441.294130][ T10] netlink_unicast+0x449/0x710 [ 441.294130][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.294130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.294130][ T10] ___sys_sendmsg+0xee/0x170 [ 441.294130][ T10] __sys_sendmsg+0xcd/0x170 [ 441.294130][ T10] do_syscall_64+0xc6/0x1e0 [ 441.294130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.294130][ T10] [ 441.296119][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 441.296600][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 441.296600][ T10] netdev_get_by_index+0x5e/0x80 [ 441.296600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.296600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.296600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.296600][ T10] ipv6_add_addr+0x411/0x2000 [ 441.296600][ T10] inet6_addr_add+0x30e/0xa40 [ 441.296600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.296600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.296600][ T10] netlink_rcv_skb+0x130/0x360 [ 441.296600][ T10] netlink_unicast+0x449/0x710 [ 441.296600][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.296600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.296600][ T10] ___sys_sendmsg+0xee/0x170 [ 441.296600][ T10] __sys_sendmsg+0xcd/0x170 [ 441.296600][ T10] do_syscall_64+0xc6/0x1e0 [ 441.296600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.296600][ T10] [ 441.298790][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 441.298790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.298790][ T10] ipv6_find_idev+0x102/0x170 [ 441.298790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.298790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.298790][ T10] netlink_rcv_skb+0x130/0x360 [ 441.298790][ T10] netlink_unicast+0x449/0x710 [ 441.298790][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.298790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.298790][ T10] ___sys_sendmsg+0xee/0x170 [ 441.298790][ T10] __sys_sendmsg+0xcd/0x170 [ 441.298790][ T10] do_syscall_64+0xc6/0x1e0 [ 441.298790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.298790][ T10] [ 441.300549][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 441.300549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.300549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.300549][ T10] ipv6_find_idev+0x102/0x170 [ 441.300549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.300549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.300549][ T10] netlink_rcv_skb+0x130/0x360 [ 441.300549][ T10] netlink_unicast+0x449/0x710 [ 441.300549][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.300549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.300549][ T10] ___sys_sendmsg+0xee/0x170 [ 441.300549][ T10] __sys_sendmsg+0xcd/0x170 [ 441.300549][ T10] do_syscall_64+0xc6/0x1e0 [ 441.300549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.300549][ T10] [ 441.302503][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 441.302823][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 441.302823][ T10] netdev_get_by_index+0x5e/0x80 [ 441.302823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.302823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.302823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.302823][ T10] ipv6_add_addr+0x411/0x2000 [ 441.302823][ T10] inet6_addr_add+0x30e/0xa40 [ 441.302823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.302823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.302823][ T10] netlink_rcv_skb+0x130/0x360 [ 441.302823][ T10] netlink_unicast+0x449/0x710 [ 441.302823][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.302823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.302823][ T10] ___sys_sendmsg+0xee/0x170 [ 441.302823][ T10] __sys_sendmsg+0xcd/0x170 [ 441.302823][ T10] do_syscall_64+0xc6/0x1e0 [ 441.302823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.302823][ T10] [ 441.304878][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 441.304878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.304878][ T10] ipv6_find_idev+0x102/0x170 [ 441.304878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.304878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.304878][ T10] netlink_rcv_skb+0x130/0x360 [ 441.304878][ T10] netlink_unicast+0x449/0x710 [ 441.304878][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.304878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.304878][ T10] ___sys_sendmsg+0xee/0x170 [ 441.304878][ T10] __sys_sendmsg+0xcd/0x170 [ 441.304878][ T10] do_syscall_64+0xc6/0x1e0 [ 441.304878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.304878][ T10] [ 441.306462][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 441.306462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.306462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.306462][ T10] ipv6_find_idev+0x102/0x170 [ 441.306462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.306462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.306462][ T10] netlink_rcv_skb+0x130/0x360 [ 441.306462][ T10] netlink_unicast+0x449/0x710 [ 441.306462][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.306462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.306462][ T10] ___sys_sendmsg+0xee/0x170 [ 441.306462][ T10] __sys_sendmsg+0xcd/0x170 [ 441.306462][ T10] do_syscall_64+0xc6/0x1e0 [ 441.306462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.306462][ T10] [ 441.308365][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 441.308696][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 441.308696][ T10] netdev_get_by_index+0x5e/0x80 [ 441.308696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.308696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.308696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.308696][ T10] ipv6_add_addr+0x411/0x2000 [ 441.308696][ T10] inet6_addr_add+0x30e/0xa40 [ 441.308696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.308696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.308696][ T10] netlink_rcv_skb+0x130/0x360 [ 441.308696][ T10] netlink_unicast+0x449/0x710 [ 441.308696][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.308696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.308696][ T10] ___sys_sendmsg+0xee/0x170 [ 441.308696][ T10] __sys_sendmsg+0xcd/0x170 [ 441.308696][ T10] do_syscall_64+0xc6/0x1e0 [ 441.308696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.308696][ T10] [ 441.310763][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 441.310763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.310763][ T10] ipv6_find_idev+0x102/0x170 [ 441.310763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.310763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.310763][ T10] netlink_rcv_skb+0x130/0x360 [ 441.310763][ T10] netlink_unicast+0x449/0x710 [ 441.310763][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.310763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.310763][ T10] ___sys_sendmsg+0xee/0x170 [ 441.310763][ T10] __sys_sendmsg+0xcd/0x170 [ 441.310763][ T10] do_syscall_64+0xc6/0x1e0 [ 441.310763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.310763][ T10] [ 441.312373][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 441.312373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.312373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.312373][ T10] ipv6_find_idev+0x102/0x170 [ 441.312373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.312373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.312373][ T10] netlink_rcv_skb+0x130/0x360 [ 441.312373][ T10] netlink_unicast+0x449/0x710 [ 441.312373][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.312373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.312373][ T10] ___sys_sendmsg+0xee/0x170 [ 441.312373][ T10] __sys_sendmsg+0xcd/0x170 [ 441.312373][ T10] do_syscall_64+0xc6/0x1e0 [ 441.312373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.312373][ T10] [ 441.314197][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 441.314512][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 441.314512][ T10] netdev_get_by_index+0x5e/0x80 [ 441.314512][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.314512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.314512][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.314512][ T10] ipv6_add_addr+0x411/0x2000 [ 441.314512][ T10] inet6_addr_add+0x30e/0xa40 [ 441.314512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.314512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.314512][ T10] netlink_rcv_skb+0x130/0x360 [ 441.314512][ T10] netlink_unicast+0x449/0x710 [ 441.314512][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.314512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.314512][ T10] ___sys_sendmsg+0xee/0x170 [ 441.314512][ T10] __sys_sendmsg+0xcd/0x170 [ 441.314512][ T10] do_syscall_64+0xc6/0x1e0 [ 441.314512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.314512][ T10] [ 441.316787][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 441.316787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.316787][ T10] ipv6_find_idev+0x102/0x170 [ 441.316787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.316787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.316787][ T10] netlink_rcv_skb+0x130/0x360 [ 441.316787][ T10] netlink_unicast+0x449/0x710 [ 441.316787][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.316787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.316787][ T10] ___sys_sendmsg+0xee/0x170 [ 441.316787][ T10] __sys_sendmsg+0xcd/0x170 [ 441.316787][ T10] do_syscall_64+0xc6/0x1e0 [ 441.316787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.316787][ T10] [ 441.318463][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 441.318463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.318463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.318463][ T10] ipv6_find_idev+0x102/0x170 [ 441.318463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.318463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.318463][ T10] netlink_rcv_skb+0x130/0x360 [ 441.318463][ T10] netlink_unicast+0x449/0x710 [ 441.318463][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.318463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.318463][ T10] ___sys_sendmsg+0xee/0x170 [ 441.318463][ T10] __sys_sendmsg+0xcd/0x170 [ 441.318463][ T10] do_syscall_64+0xc6/0x1e0 [ 441.318463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.318463][ T10] [ 451.440210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 451.440552][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 451.440552][ T10] netdev_get_by_index+0x5e/0x80 [ 451.440552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.440552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.440552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.440552][ T10] ipv6_add_addr+0x411/0x2000 [ 451.440552][ T10] inet6_addr_add+0x30e/0xa40 [ 451.440552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.440552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.440552][ T10] netlink_rcv_skb+0x130/0x360 [ 451.440552][ T10] netlink_unicast+0x449/0x710 [ 451.440552][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.440552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.440552][ T10] ___sys_sendmsg+0xee/0x170 [ 451.440552][ T10] __sys_sendmsg+0xcd/0x170 [ 451.440552][ T10] do_syscall_64+0xc6/0x1e0 [ 451.440552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.440552][ T10] [ 451.442583][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 451.442583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.442583][ T10] ipv6_find_idev+0x102/0x170 [ 451.442583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.442583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.442583][ T10] netlink_rcv_skb+0x130/0x360 [ 451.442583][ T10] netlink_unicast+0x449/0x710 [ 451.442583][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.442583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.442583][ T10] ___sys_sendmsg+0xee/0x170 [ 451.442583][ T10] __sys_sendmsg+0xcd/0x170 [ 451.442583][ T10] do_syscall_64+0xc6/0x1e0 [ 451.442583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.442583][ T10] [ 451.444121][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 451.444121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.444121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.444121][ T10] ipv6_find_idev+0x102/0x170 [ 451.444121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.444121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.444121][ T10] netlink_rcv_skb+0x130/0x360 [ 451.444121][ T10] netlink_unicast+0x449/0x710 [ 451.444121][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.444121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.444121][ T10] ___sys_sendmsg+0xee/0x170 [ 451.444121][ T10] __sys_sendmsg+0xcd/0x170 [ 451.444121][ T10] do_syscall_64+0xc6/0x1e0 [ 451.444121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.444121][ T10] [ 451.445797][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 451.446057][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 451.446057][ T10] netdev_get_by_index+0x5e/0x80 [ 451.446057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.446057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.446057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.446057][ T10] ipv6_add_addr+0x411/0x2000 [ 451.446057][ T10] inet6_addr_add+0x30e/0xa40 [ 451.446057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.446057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.446057][ T10] netlink_rcv_skb+0x130/0x360 [ 451.446057][ T10] netlink_unicast+0x449/0x710 [ 451.446057][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.446057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.446057][ T10] ___sys_sendmsg+0xee/0x170 [ 451.446057][ T10] __sys_sendmsg+0xcd/0x170 [ 451.446057][ T10] do_syscall_64+0xc6/0x1e0 [ 451.446057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.446057][ T10] [ 451.448078][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 451.448078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.448078][ T10] ipv6_find_idev+0x102/0x170 [ 451.448078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.448078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.448078][ T10] netlink_rcv_skb+0x130/0x360 [ 451.448078][ T10] netlink_unicast+0x449/0x710 [ 451.448078][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.448078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.448078][ T10] ___sys_sendmsg+0xee/0x170 [ 451.448078][ T10] __sys_sendmsg+0xcd/0x170 [ 451.448078][ T10] do_syscall_64+0xc6/0x1e0 [ 451.448078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.448078][ T10] [ 451.449615][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 451.449615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.449615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.449615][ T10] ipv6_find_idev+0x102/0x170 [ 451.449615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.449615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.449615][ T10] netlink_rcv_skb+0x130/0x360 [ 451.449615][ T10] netlink_unicast+0x449/0x710 [ 451.449615][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.449615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.449615][ T10] ___sys_sendmsg+0xee/0x170 [ 451.449615][ T10] __sys_sendmsg+0xcd/0x170 [ 451.449615][ T10] do_syscall_64+0xc6/0x1e0 [ 451.449615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.449615][ T10] [ 451.451261][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 451.451520][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 451.451520][ T10] netdev_get_by_index+0x5e/0x80 [ 451.451520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.451520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.451520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.451520][ T10] ipv6_add_addr+0x411/0x2000 [ 451.451520][ T10] inet6_addr_add+0x30e/0xa40 [ 451.451520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.451520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.451520][ T10] netlink_rcv_skb+0x130/0x360 [ 451.451520][ T10] netlink_unicast+0x449/0x710 [ 451.451520][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.451520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.451520][ T10] ___sys_sendmsg+0xee/0x170 [ 451.451520][ T10] __sys_sendmsg+0xcd/0x170 [ 451.451520][ T10] do_syscall_64+0xc6/0x1e0 [ 451.451520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.451520][ T10] [ 451.453484][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 451.453484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.453484][ T10] ipv6_find_idev+0x102/0x170 [ 451.453484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.453484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.453484][ T10] netlink_rcv_skb+0x130/0x360 [ 451.453484][ T10] netlink_unicast+0x449/0x710 [ 451.453484][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.453484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.453484][ T10] ___sys_sendmsg+0xee/0x170 [ 451.453484][ T10] __sys_sendmsg+0xcd/0x170 [ 451.453484][ T10] do_syscall_64+0xc6/0x1e0 [ 451.453484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.453484][ T10] [ 451.454951][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 451.454951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.454951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.454951][ T10] ipv6_find_idev+0x102/0x170 [ 451.454951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.454951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.454951][ T10] netlink_rcv_skb+0x130/0x360 [ 451.454951][ T10] netlink_unicast+0x449/0x710 [ 451.454951][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.454951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.454951][ T10] ___sys_sendmsg+0xee/0x170 [ 451.454951][ T10] __sys_sendmsg+0xcd/0x170 [ 451.454951][ T10] do_syscall_64+0xc6/0x1e0 [ 451.454951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.454951][ T10] [ 451.456597][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 451.456856][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 451.456856][ T10] netdev_get_by_index+0x5e/0x80 [ 451.456856][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.456856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.456856][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.456856][ T10] ipv6_add_addr+0x411/0x2000 [ 451.456856][ T10] inet6_addr_add+0x30e/0xa40 [ 451.456856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.456856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.456856][ T10] netlink_rcv_skb+0x130/0x360 [ 451.456856][ T10] netlink_unicast+0x449/0x710 [ 451.456856][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.456856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.456856][ T10] ___sys_sendmsg+0xee/0x170 [ 451.456856][ T10] __sys_sendmsg+0xcd/0x170 [ 451.456856][ T10] do_syscall_64+0xc6/0x1e0 [ 451.456856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.456856][ T10] [ 451.458965][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 451.458965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.458965][ T10] ipv6_find_idev+0x102/0x170 [ 451.458965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.458965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.458965][ T10] netlink_rcv_skb+0x130/0x360 [ 451.458965][ T10] netlink_unicast+0x449/0x710 [ 451.458965][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.458965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.458965][ T10] ___sys_sendmsg+0xee/0x170 [ 451.458965][ T10] __sys_sendmsg+0xcd/0x170 [ 451.458965][ T10] do_syscall_64+0xc6/0x1e0 [ 451.458965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.458965][ T10] [ 451.460633][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 451.460633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.460633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.460633][ T10] ipv6_find_idev+0x102/0x170 [ 451.460633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.460633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.460633][ T10] netlink_rcv_skb+0x130/0x360 [ 451.460633][ T10] netlink_unicast+0x449/0x710 [ 451.460633][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.460633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.460633][ T10] ___sys_sendmsg+0xee/0x170 [ 451.460633][ T10] __sys_sendmsg+0xcd/0x170 [ 451.460633][ T10] do_syscall_64+0xc6/0x1e0 [ 451.460633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.460633][ T10] [ 451.462494][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 451.462757][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 451.462757][ T10] netdev_get_by_index+0x5e/0x80 [ 451.462757][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.462757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.462757][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.462757][ T10] ipv6_add_addr+0x411/0x2000 [ 451.462757][ T10] inet6_addr_add+0x30e/0xa40 [ 451.462757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.462757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.462757][ T10] netlink_rcv_skb+0x130/0x360 [ 451.462757][ T10] netlink_unicast+0x449/0x710 [ 451.462757][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.462757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.462757][ T10] ___sys_sendmsg+0xee/0x170 [ 451.462757][ T10] __sys_sendmsg+0xcd/0x170 [ 451.462757][ T10] do_syscall_64+0xc6/0x1e0 [ 451.462757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.462757][ T10] [ 451.464839][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 451.464839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.464839][ T10] ipv6_find_idev+0x102/0x170 [ 451.464839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.464839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.464839][ T10] netlink_rcv_skb+0x130/0x360 [ 451.464839][ T10] netlink_unicast+0x449/0x710 [ 451.464839][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.464839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.464839][ T10] ___sys_sendmsg+0xee/0x170 [ 451.464839][ T10] __sys_sendmsg+0xcd/0x170 [ 451.464839][ T10] do_syscall_64+0xc6/0x1e0 [ 451.464839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.464839][ T10] [ 451.466535][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 451.466535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.466535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.466535][ T10] ipv6_find_idev+0x102/0x170 [ 451.466535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.466535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.466535][ T10] netlink_rcv_skb+0x130/0x360 [ 451.466535][ T10] netlink_unicast+0x449/0x710 [ 451.466535][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.466535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.466535][ T10] ___sys_sendmsg+0xee/0x170 [ 451.466535][ T10] __sys_sendmsg+0xcd/0x170 [ 451.466535][ T10] do_syscall_64+0xc6/0x1e0 [ 451.466535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.466535][ T10] [ 451.468817][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 451.469097][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 451.469097][ T10] netdev_get_by_index+0x5e/0x80 [ 451.469097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.469097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.469097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.469097][ T10] ipv6_add_addr+0x411/0x2000 [ 451.469097][ T10] inet6_addr_add+0x30e/0xa40 [ 451.469097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.469097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.469097][ T10] netlink_rcv_skb+0x130/0x360 [ 451.469097][ T10] netlink_unicast+0x449/0x710 [ 451.469097][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.469097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.469097][ T10] ___sys_sendmsg+0xee/0x170 [ 451.469097][ T10] __sys_sendmsg+0xcd/0x170 [ 451.469097][ T10] do_syscall_64+0xc6/0x1e0 [ 451.469097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.469097][ T10] [ 451.471173][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 451.471173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.471173][ T10] ipv6_find_idev+0x102/0x170 [ 451.471173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.471173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.471173][ T10] netlink_rcv_skb+0x130/0x360 [ 451.471173][ T10] netlink_unicast+0x449/0x710 [ 451.471173][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.471173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.471173][ T10] ___sys_sendmsg+0xee/0x170 [ 451.471173][ T10] __sys_sendmsg+0xcd/0x170 [ 451.471173][ T10] do_syscall_64+0xc6/0x1e0 [ 451.471173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.471173][ T10] [ 451.472911][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 451.472911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.472911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.472911][ T10] ipv6_find_idev+0x102/0x170 [ 451.472911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.472911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.472911][ T10] netlink_rcv_skb+0x130/0x360 [ 451.472911][ T10] netlink_unicast+0x449/0x710 [ 451.472911][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.472911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.472911][ T10] ___sys_sendmsg+0xee/0x170 [ 451.472911][ T10] __sys_sendmsg+0xcd/0x170 [ 451.472911][ T10] do_syscall_64+0xc6/0x1e0 [ 451.472911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.472911][ T10] [ 451.474753][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 451.475078][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 451.475078][ T10] netdev_get_by_index+0x5e/0x80 [ 451.475078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.475078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.475078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.475078][ T10] ipv6_add_addr+0x411/0x2000 [ 451.475078][ T10] inet6_addr_add+0x30e/0xa40 [ 451.475078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.475078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.475078][ T10] netlink_rcv_skb+0x130/0x360 [ 451.475078][ T10] netlink_unicast+0x449/0x710 [ 451.475078][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.475078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.475078][ T10] ___sys_sendmsg+0xee/0x170 [ 451.475078][ T10] __sys_sendmsg+0xcd/0x170 [ 451.475078][ T10] do_syscall_64+0xc6/0x1e0 [ 451.475078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.475078][ T10] [ 451.477067][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 451.477067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.477067][ T10] ipv6_find_idev+0x102/0x170 [ 451.477067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.477067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.477067][ T10] netlink_rcv_skb+0x130/0x360 [ 451.477067][ T10] netlink_unicast+0x449/0x710 [ 451.477067][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.477067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.477067][ T10] ___sys_sendmsg+0xee/0x170 [ 451.477067][ T10] __sys_sendmsg+0xcd/0x170 [ 451.477067][ T10] do_syscall_64+0xc6/0x1e0 [ 451.477067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.477067][ T10] [ 451.478573][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 451.478573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.478573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.478573][ T10] ipv6_find_idev+0x102/0x170 [ 451.478573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.478573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.478573][ T10] netlink_rcv_skb+0x130/0x360 [ 451.478573][ T10] netlink_unicast+0x449/0x710 [ 451.478573][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.478573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.478573][ T10] ___sys_sendmsg+0xee/0x170 [ 451.478573][ T10] __sys_sendmsg+0xcd/0x170 [ 451.478573][ T10] do_syscall_64+0xc6/0x1e0 [ 451.478573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.478573][ T10] [ 451.480398][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 451.480709][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 451.480709][ T10] netdev_get_by_index+0x5e/0x80 [ 451.480709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.480709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.480709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.480709][ T10] ipv6_add_addr+0x411/0x2000 [ 451.480709][ T10] inet6_addr_add+0x30e/0xa40 [ 451.480709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.480709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.480709][ T10] netlink_rcv_skb+0x130/0x360 [ 451.480709][ T10] netlink_unicast+0x449/0x710 [ 451.480709][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.480709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.480709][ T10] ___sys_sendmsg+0xee/0x170 [ 451.480709][ T10] __sys_sendmsg+0xcd/0x170 [ 451.480709][ T10] do_syscall_64+0xc6/0x1e0 [ 451.480709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.480709][ T10] [ 451.482922][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 451.482922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.482922][ T10] ipv6_find_idev+0x102/0x170 [ 451.482922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.482922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.482922][ T10] netlink_rcv_skb+0x130/0x360 [ 451.482922][ T10] netlink_unicast+0x449/0x710 [ 451.482922][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.482922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.482922][ T10] ___sys_sendmsg+0xee/0x170 [ 451.482922][ T10] __sys_sendmsg+0xcd/0x170 [ 451.482922][ T10] do_syscall_64+0xc6/0x1e0 [ 451.482922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.482922][ T10] [ 451.484573][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 451.484573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.484573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.484573][ T10] ipv6_find_idev+0x102/0x170 [ 451.484573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.484573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.484573][ T10] netlink_rcv_skb+0x130/0x360 [ 451.484573][ T10] netlink_unicast+0x449/0x710 [ 451.484573][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.484573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.484573][ T10] ___sys_sendmsg+0xee/0x170 [ 451.484573][ T10] __sys_sendmsg+0xcd/0x170 [ 451.484573][ T10] do_syscall_64+0xc6/0x1e0 [ 451.484573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.484573][ T10] [ 461.632157][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 461.632477][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 461.632477][ T10] netdev_get_by_index+0x5e/0x80 [ 461.632477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.632477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.632477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.632477][ T10] ipv6_add_addr+0x411/0x2000 [ 461.632477][ T10] inet6_addr_add+0x30e/0xa40 [ 461.632477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.632477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.632477][ T10] netlink_rcv_skb+0x130/0x360 [ 461.632477][ T10] netlink_unicast+0x449/0x710 [ 461.632477][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.632477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.632477][ T10] ___sys_sendmsg+0xee/0x170 [ 461.632477][ T10] __sys_sendmsg+0xcd/0x170 [ 461.632477][ T10] do_syscall_64+0xc6/0x1e0 [ 461.632477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.632477][ T10] [ 461.634500][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 461.634500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.634500][ T10] ipv6_find_idev+0x102/0x170 [ 461.634500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.634500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.634500][ T10] netlink_rcv_skb+0x130/0x360 [ 461.634500][ T10] netlink_unicast+0x449/0x710 [ 461.634500][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.634500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.634500][ T10] ___sys_sendmsg+0xee/0x170 [ 461.634500][ T10] __sys_sendmsg+0xcd/0x170 [ 461.634500][ T10] do_syscall_64+0xc6/0x1e0 [ 461.634500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.634500][ T10] [ 461.636037][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 461.636037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.636037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.636037][ T10] ipv6_find_idev+0x102/0x170 [ 461.636037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.636037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.636037][ T10] netlink_rcv_skb+0x130/0x360 [ 461.636037][ T10] netlink_unicast+0x449/0x710 [ 461.636037][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.636037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.636037][ T10] ___sys_sendmsg+0xee/0x170 [ 461.636037][ T10] __sys_sendmsg+0xcd/0x170 [ 461.636037][ T10] do_syscall_64+0xc6/0x1e0 [ 461.636037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.636037][ T10] [ 461.637735][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 461.638013][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 461.638013][ T10] netdev_get_by_index+0x5e/0x80 [ 461.638013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.638013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.638013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.638013][ T10] ipv6_add_addr+0x411/0x2000 [ 461.638013][ T10] inet6_addr_add+0x30e/0xa40 [ 461.638013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.638013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.638013][ T10] netlink_rcv_skb+0x130/0x360 [ 461.638013][ T10] netlink_unicast+0x449/0x710 [ 461.638013][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.638013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.638013][ T10] ___sys_sendmsg+0xee/0x170 [ 461.638013][ T10] __sys_sendmsg+0xcd/0x170 [ 461.638013][ T10] do_syscall_64+0xc6/0x1e0 [ 461.638013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.638013][ T10] [ 461.640009][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 461.640009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.640009][ T10] ipv6_find_idev+0x102/0x170 [ 461.640009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.640009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.640009][ T10] netlink_rcv_skb+0x130/0x360 [ 461.640009][ T10] netlink_unicast+0x449/0x710 [ 461.640009][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.640009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.640009][ T10] ___sys_sendmsg+0xee/0x170 [ 461.640009][ T10] __sys_sendmsg+0xcd/0x170 [ 461.640009][ T10] do_syscall_64+0xc6/0x1e0 [ 461.640009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.640009][ T10] [ 461.641560][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 461.641560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.641560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.641560][ T10] ipv6_find_idev+0x102/0x170 [ 461.641560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.641560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.641560][ T10] netlink_rcv_skb+0x130/0x360 [ 461.641560][ T10] netlink_unicast+0x449/0x710 [ 461.641560][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.641560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.641560][ T10] ___sys_sendmsg+0xee/0x170 [ 461.641560][ T10] __sys_sendmsg+0xcd/0x170 [ 461.641560][ T10] do_syscall_64+0xc6/0x1e0 [ 461.641560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.641560][ T10] [ 461.643259][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 461.643522][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 461.643522][ T10] netdev_get_by_index+0x5e/0x80 [ 461.643522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.643522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.643522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.643522][ T10] ipv6_add_addr+0x411/0x2000 [ 461.643522][ T10] inet6_addr_add+0x30e/0xa40 [ 461.643522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.643522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.643522][ T10] netlink_rcv_skb+0x130/0x360 [ 461.643522][ T10] netlink_unicast+0x449/0x710 [ 461.643522][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.643522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.643522][ T10] ___sys_sendmsg+0xee/0x170 [ 461.643522][ T10] __sys_sendmsg+0xcd/0x170 [ 461.643522][ T10] do_syscall_64+0xc6/0x1e0 [ 461.643522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.643522][ T10] [ 461.645541][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 461.645541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.645541][ T10] ipv6_find_idev+0x102/0x170 [ 461.645541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.645541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.645541][ T10] netlink_rcv_skb+0x130/0x360 [ 461.645541][ T10] netlink_unicast+0x449/0x710 [ 461.645541][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.645541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.645541][ T10] ___sys_sendmsg+0xee/0x170 [ 461.645541][ T10] __sys_sendmsg+0xcd/0x170 [ 461.645541][ T10] do_syscall_64+0xc6/0x1e0 [ 461.645541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.645541][ T10] [ 461.647065][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 461.647065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.647065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.647065][ T10] ipv6_find_idev+0x102/0x170 [ 461.647065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.647065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.647065][ T10] netlink_rcv_skb+0x130/0x360 [ 461.647065][ T10] netlink_unicast+0x449/0x710 [ 461.647065][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.647065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.647065][ T10] ___sys_sendmsg+0xee/0x170 [ 461.647065][ T10] __sys_sendmsg+0xcd/0x170 [ 461.647065][ T10] do_syscall_64+0xc6/0x1e0 [ 461.647065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.647065][ T10] [ 461.648943][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 461.649702][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 461.649702][ T10] netdev_get_by_index+0x5e/0x80 [ 461.649702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.649702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.649702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.649702][ T10] ipv6_add_addr+0x411/0x2000 [ 461.649702][ T10] inet6_addr_add+0x30e/0xa40 [ 461.649702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.649702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.649702][ T10] netlink_rcv_skb+0x130/0x360 [ 461.649702][ T10] netlink_unicast+0x449/0x710 [ 461.649702][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.649702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.649702][ T10] ___sys_sendmsg+0xee/0x170 [ 461.649702][ T10] __sys_sendmsg+0xcd/0x170 [ 461.649702][ T10] do_syscall_64+0xc6/0x1e0 [ 461.649702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.649702][ T10] [ 461.651663][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 461.651663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.651663][ T10] ipv6_find_idev+0x102/0x170 [ 461.651663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.651663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.651663][ T10] netlink_rcv_skb+0x130/0x360 [ 461.651663][ T10] netlink_unicast+0x449/0x710 [ 461.651663][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.651663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.651663][ T10] ___sys_sendmsg+0xee/0x170 [ 461.651663][ T10] __sys_sendmsg+0xcd/0x170 [ 461.651663][ T10] do_syscall_64+0xc6/0x1e0 [ 461.651663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.651663][ T10] [ 461.653181][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 461.653181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.653181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.653181][ T10] ipv6_find_idev+0x102/0x170 [ 461.653181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.653181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.653181][ T10] netlink_rcv_skb+0x130/0x360 [ 461.653181][ T10] netlink_unicast+0x449/0x710 [ 461.653181][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.653181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.653181][ T10] ___sys_sendmsg+0xee/0x170 [ 461.653181][ T10] __sys_sendmsg+0xcd/0x170 [ 461.653181][ T10] do_syscall_64+0xc6/0x1e0 [ 461.653181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.653181][ T10] [ 461.654910][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 461.655228][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 461.655228][ T10] netdev_get_by_index+0x5e/0x80 [ 461.655228][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.655228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.655228][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.655228][ T10] ipv6_add_addr+0x411/0x2000 [ 461.655228][ T10] inet6_addr_add+0x30e/0xa40 [ 461.655228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.655228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.655228][ T10] netlink_rcv_skb+0x130/0x360 [ 461.655228][ T10] netlink_unicast+0x449/0x710 [ 461.655228][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.655228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.655228][ T10] ___sys_sendmsg+0xee/0x170 [ 461.655228][ T10] __sys_sendmsg+0xcd/0x170 [ 461.655228][ T10] do_syscall_64+0xc6/0x1e0 [ 461.655228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.655228][ T10] [ 461.657194][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 461.657194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.657194][ T10] ipv6_find_idev+0x102/0x170 [ 461.657194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.657194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.657194][ T10] netlink_rcv_skb+0x130/0x360 [ 461.657194][ T10] netlink_unicast+0x449/0x710 [ 461.657194][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.657194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.657194][ T10] ___sys_sendmsg+0xee/0x170 [ 461.657194][ T10] __sys_sendmsg+0xcd/0x170 [ 461.657194][ T10] do_syscall_64+0xc6/0x1e0 [ 461.657194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.657194][ T10] [ 461.658726][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 461.658726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.658726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.658726][ T10] ipv6_find_idev+0x102/0x170 [ 461.658726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.658726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.658726][ T10] netlink_rcv_skb+0x130/0x360 [ 461.658726][ T10] netlink_unicast+0x449/0x710 [ 461.658726][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.658726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.658726][ T10] ___sys_sendmsg+0xee/0x170 [ 461.658726][ T10] __sys_sendmsg+0xcd/0x170 [ 461.658726][ T10] do_syscall_64+0xc6/0x1e0 [ 461.658726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.658726][ T10] [ 461.660421][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 461.660678][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 461.660678][ T10] netdev_get_by_index+0x5e/0x80 [ 461.660678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.660678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.660678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.660678][ T10] ipv6_add_addr+0x411/0x2000 [ 461.660678][ T10] inet6_addr_add+0x30e/0xa40 [ 461.660678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.660678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.660678][ T10] netlink_rcv_skb+0x130/0x360 [ 461.660678][ T10] netlink_unicast+0x449/0x710 [ 461.660678][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.660678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.660678][ T10] ___sys_sendmsg+0xee/0x170 [ 461.660678][ T10] __sys_sendmsg+0xcd/0x170 [ 461.660678][ T10] do_syscall_64+0xc6/0x1e0 [ 461.660678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.660678][ T10] [ 461.662657][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 461.662657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.662657][ T10] ipv6_find_idev+0x102/0x170 [ 461.662657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.662657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.662657][ T10] netlink_rcv_skb+0x130/0x360 [ 461.662657][ T10] netlink_unicast+0x449/0x710 [ 461.662657][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.662657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.662657][ T10] ___sys_sendmsg+0xee/0x170 [ 461.662657][ T10] __sys_sendmsg+0xcd/0x170 [ 461.662657][ T10] do_syscall_64+0xc6/0x1e0 [ 461.662657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.662657][ T10] [ 461.664181][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 461.664181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.664181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.664181][ T10] ipv6_find_idev+0x102/0x170 [ 461.664181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.664181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.664181][ T10] netlink_rcv_skb+0x130/0x360 [ 461.664181][ T10] netlink_unicast+0x449/0x710 [ 461.664181][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.664181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.664181][ T10] ___sys_sendmsg+0xee/0x170 [ 461.664181][ T10] __sys_sendmsg+0xcd/0x170 [ 461.664181][ T10] do_syscall_64+0xc6/0x1e0 [ 461.664181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.664181][ T10] [ 461.665884][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 461.666200][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 461.666200][ T10] netdev_get_by_index+0x5e/0x80 [ 461.666200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.666200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.666200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.666200][ T10] ipv6_add_addr+0x411/0x2000 [ 461.666200][ T10] inet6_addr_add+0x30e/0xa40 [ 461.666200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.666200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.666200][ T10] netlink_rcv_skb+0x130/0x360 [ 461.666200][ T10] netlink_unicast+0x449/0x710 [ 461.666200][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.666200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.666200][ T10] ___sys_sendmsg+0xee/0x170 [ 461.666200][ T10] __sys_sendmsg+0xcd/0x170 [ 461.666200][ T10] do_syscall_64+0xc6/0x1e0 [ 461.666200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.666200][ T10] [ 461.668178][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 461.668178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.668178][ T10] ipv6_find_idev+0x102/0x170 [ 461.668178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.668178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.668178][ T10] netlink_rcv_skb+0x130/0x360 [ 461.668178][ T10] netlink_unicast+0x449/0x710 [ 461.668178][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.668178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.668178][ T10] ___sys_sendmsg+0xee/0x170 [ 461.668178][ T10] __sys_sendmsg+0xcd/0x170 [ 461.668178][ T10] do_syscall_64+0xc6/0x1e0 [ 461.668178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.668178][ T10] [ 461.669699][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 461.669699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.669699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.669699][ T10] ipv6_find_idev+0x102/0x170 [ 461.669699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.669699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.669699][ T10] netlink_rcv_skb+0x130/0x360 [ 461.669699][ T10] netlink_unicast+0x449/0x710 [ 461.669699][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.669699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.669699][ T10] ___sys_sendmsg+0xee/0x170 [ 461.669699][ T10] __sys_sendmsg+0xcd/0x170 [ 461.669699][ T10] do_syscall_64+0xc6/0x1e0 [ 461.669699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.669699][ T10] [ 461.671408][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 461.671672][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 461.671672][ T10] netdev_get_by_index+0x5e/0x80 [ 461.671672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.671672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.671672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.671672][ T10] ipv6_add_addr+0x411/0x2000 [ 461.671672][ T10] inet6_addr_add+0x30e/0xa40 [ 461.671672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.671672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.671672][ T10] netlink_rcv_skb+0x130/0x360 [ 461.671672][ T10] netlink_unicast+0x449/0x710 [ 461.671672][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.671672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.671672][ T10] ___sys_sendmsg+0xee/0x170 [ 461.671672][ T10] __sys_sendmsg+0xcd/0x170 [ 461.671672][ T10] do_syscall_64+0xc6/0x1e0 [ 461.671672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.671672][ T10] [ 461.673804][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 461.673804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.673804][ T10] ipv6_find_idev+0x102/0x170 [ 461.673804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.673804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.673804][ T10] netlink_rcv_skb+0x130/0x360 [ 461.673804][ T10] netlink_unicast+0x449/0x710 [ 461.673804][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.673804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.673804][ T10] ___sys_sendmsg+0xee/0x170 [ 461.673804][ T10] __sys_sendmsg+0xcd/0x170 [ 461.673804][ T10] do_syscall_64+0xc6/0x1e0 [ 461.673804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.673804][ T10] [ 461.675524][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 461.675524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.675524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.675524][ T10] ipv6_find_idev+0x102/0x170 [ 461.675524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.675524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.675524][ T10] netlink_rcv_skb+0x130/0x360 [ 461.675524][ T10] netlink_unicast+0x449/0x710 [ 461.675524][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.675524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.675524][ T10] ___sys_sendmsg+0xee/0x170 [ 461.675524][ T10] __sys_sendmsg+0xcd/0x170 [ 461.675524][ T10] do_syscall_64+0xc6/0x1e0 [ 461.675524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.675524][ T10] [ 471.792217][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 471.792544][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 471.792544][ T10] netdev_get_by_index+0x5e/0x80 [ 471.792544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.792544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.792544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.792544][ T10] ipv6_add_addr+0x411/0x2000 [ 471.792544][ T10] inet6_addr_add+0x30e/0xa40 [ 471.792544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.792544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.792544][ T10] netlink_rcv_skb+0x130/0x360 [ 471.792544][ T10] netlink_unicast+0x449/0x710 [ 471.792544][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.792544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.792544][ T10] ___sys_sendmsg+0xee/0x170 [ 471.792544][ T10] __sys_sendmsg+0xcd/0x170 [ 471.792544][ T10] do_syscall_64+0xc6/0x1e0 [ 471.792544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.792544][ T10] [ 471.794571][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 471.794571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.794571][ T10] ipv6_find_idev+0x102/0x170 [ 471.794571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.794571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.794571][ T10] netlink_rcv_skb+0x130/0x360 [ 471.794571][ T10] netlink_unicast+0x449/0x710 [ 471.794571][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.794571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.794571][ T10] ___sys_sendmsg+0xee/0x170 [ 471.794571][ T10] __sys_sendmsg+0xcd/0x170 [ 471.794571][ T10] do_syscall_64+0xc6/0x1e0 [ 471.794571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.794571][ T10] [ 471.796102][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 471.796102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.796102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.796102][ T10] ipv6_find_idev+0x102/0x170 [ 471.796102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.796102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.796102][ T10] netlink_rcv_skb+0x130/0x360 [ 471.796102][ T10] netlink_unicast+0x449/0x710 [ 471.796102][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.796102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.796102][ T10] ___sys_sendmsg+0xee/0x170 [ 471.796102][ T10] __sys_sendmsg+0xcd/0x170 [ 471.796102][ T10] do_syscall_64+0xc6/0x1e0 [ 471.796102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.796102][ T10] [ 471.797767][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 471.798035][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 471.798035][ T10] netdev_get_by_index+0x5e/0x80 [ 471.798035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.798035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.798035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.798035][ T10] ipv6_add_addr+0x411/0x2000 [ 471.798035][ T10] inet6_addr_add+0x30e/0xa40 [ 471.798035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.798035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.798035][ T10] netlink_rcv_skb+0x130/0x360 [ 471.798035][ T10] netlink_unicast+0x449/0x710 [ 471.798035][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.798035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.798035][ T10] ___sys_sendmsg+0xee/0x170 [ 471.798035][ T10] __sys_sendmsg+0xcd/0x170 [ 471.798035][ T10] do_syscall_64+0xc6/0x1e0 [ 471.798035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.798035][ T10] [ 471.799997][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 471.799997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.799997][ T10] ipv6_find_idev+0x102/0x170 [ 471.799997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.799997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.799997][ T10] netlink_rcv_skb+0x130/0x360 [ 471.799997][ T10] netlink_unicast+0x449/0x710 [ 471.799997][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.799997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.799997][ T10] ___sys_sendmsg+0xee/0x170 [ 471.799997][ T10] __sys_sendmsg+0xcd/0x170 [ 471.799997][ T10] do_syscall_64+0xc6/0x1e0 [ 471.799997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.799997][ T10] [ 471.801499][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 471.801499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.801499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.801499][ T10] ipv6_find_idev+0x102/0x170 [ 471.801499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.801499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.801499][ T10] netlink_rcv_skb+0x130/0x360 [ 471.801499][ T10] netlink_unicast+0x449/0x710 [ 471.801499][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.801499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.801499][ T10] ___sys_sendmsg+0xee/0x170 [ 471.801499][ T10] __sys_sendmsg+0xcd/0x170 [ 471.801499][ T10] do_syscall_64+0xc6/0x1e0 [ 471.801499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.801499][ T10] [ 471.803178][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 471.803439][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 471.803439][ T10] netdev_get_by_index+0x5e/0x80 [ 471.803439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.803439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.803439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.803439][ T10] ipv6_add_addr+0x411/0x2000 [ 471.803439][ T10] inet6_addr_add+0x30e/0xa40 [ 471.803439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.803439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.803439][ T10] netlink_rcv_skb+0x130/0x360 [ 471.803439][ T10] netlink_unicast+0x449/0x710 [ 471.803439][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.803439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.803439][ T10] ___sys_sendmsg+0xee/0x170 [ 471.803439][ T10] __sys_sendmsg+0xcd/0x170 [ 471.803439][ T10] do_syscall_64+0xc6/0x1e0 [ 471.803439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.803439][ T10] [ 471.805428][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 471.805428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.805428][ T10] ipv6_find_idev+0x102/0x170 [ 471.805428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.805428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.805428][ T10] netlink_rcv_skb+0x130/0x360 [ 471.805428][ T10] netlink_unicast+0x449/0x710 [ 471.805428][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.805428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.805428][ T10] ___sys_sendmsg+0xee/0x170 [ 471.805428][ T10] __sys_sendmsg+0xcd/0x170 [ 471.805428][ T10] do_syscall_64+0xc6/0x1e0 [ 471.805428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.805428][ T10] [ 471.806948][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 471.806948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.806948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.806948][ T10] ipv6_find_idev+0x102/0x170 [ 471.806948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.806948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.806948][ T10] netlink_rcv_skb+0x130/0x360 [ 471.806948][ T10] netlink_unicast+0x449/0x710 [ 471.806948][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.806948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.806948][ T10] ___sys_sendmsg+0xee/0x170 [ 471.806948][ T10] __sys_sendmsg+0xcd/0x170 [ 471.806948][ T10] do_syscall_64+0xc6/0x1e0 [ 471.806948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.806948][ T10] [ 471.808606][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 471.808924][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 471.808924][ T10] netdev_get_by_index+0x5e/0x80 [ 471.808924][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.808924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.808924][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.808924][ T10] ipv6_add_addr+0x411/0x2000 [ 471.808924][ T10] inet6_addr_add+0x30e/0xa40 [ 471.808924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.808924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.808924][ T10] netlink_rcv_skb+0x130/0x360 [ 471.808924][ T10] netlink_unicast+0x449/0x710 [ 471.808924][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.808924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.808924][ T10] ___sys_sendmsg+0xee/0x170 [ 471.808924][ T10] __sys_sendmsg+0xcd/0x170 [ 471.808924][ T10] do_syscall_64+0xc6/0x1e0 [ 471.808924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.808924][ T10] [ 471.811108][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 471.811108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.811108][ T10] ipv6_find_idev+0x102/0x170 [ 471.811108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.811108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.811108][ T10] netlink_rcv_skb+0x130/0x360 [ 471.811108][ T10] netlink_unicast+0x449/0x710 [ 471.811108][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.811108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.811108][ T10] ___sys_sendmsg+0xee/0x170 [ 471.811108][ T10] __sys_sendmsg+0xcd/0x170 [ 471.811108][ T10] do_syscall_64+0xc6/0x1e0 [ 471.811108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.811108][ T10] [ 471.812823][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 471.812823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.812823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.812823][ T10] ipv6_find_idev+0x102/0x170 [ 471.812823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.812823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.812823][ T10] netlink_rcv_skb+0x130/0x360 [ 471.812823][ T10] netlink_unicast+0x449/0x710 [ 471.812823][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.812823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.812823][ T10] ___sys_sendmsg+0xee/0x170 [ 471.812823][ T10] __sys_sendmsg+0xcd/0x170 [ 471.812823][ T10] do_syscall_64+0xc6/0x1e0 [ 471.812823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.812823][ T10] [ 471.814685][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 471.815013][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 471.815013][ T10] netdev_get_by_index+0x5e/0x80 [ 471.815013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.815013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.815013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.815013][ T10] ipv6_add_addr+0x411/0x2000 [ 471.815013][ T10] inet6_addr_add+0x30e/0xa40 [ 471.815013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.815013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.815013][ T10] netlink_rcv_skb+0x130/0x360 [ 471.815013][ T10] netlink_unicast+0x449/0x710 [ 471.815013][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.815013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.815013][ T10] ___sys_sendmsg+0xee/0x170 [ 471.815013][ T10] __sys_sendmsg+0xcd/0x170 [ 471.815013][ T10] do_syscall_64+0xc6/0x1e0 [ 471.815013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.815013][ T10] [ 471.817039][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 471.817039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.817039][ T10] ipv6_find_idev+0x102/0x170 [ 471.817039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.817039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.817039][ T10] netlink_rcv_skb+0x130/0x360 [ 471.817039][ T10] netlink_unicast+0x449/0x710 [ 471.817039][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.817039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.817039][ T10] ___sys_sendmsg+0xee/0x170 [ 471.817039][ T10] __sys_sendmsg+0xcd/0x170 [ 471.817039][ T10] do_syscall_64+0xc6/0x1e0 [ 471.817039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.817039][ T10] [ 471.818735][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 471.818735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.818735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.818735][ T10] ipv6_find_idev+0x102/0x170 [ 471.818735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.818735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.818735][ T10] netlink_rcv_skb+0x130/0x360 [ 471.818735][ T10] netlink_unicast+0x449/0x710 [ 471.818735][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.818735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.818735][ T10] ___sys_sendmsg+0xee/0x170 [ 471.818735][ T10] __sys_sendmsg+0xcd/0x170 [ 471.818735][ T10] do_syscall_64+0xc6/0x1e0 [ 471.818735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.818735][ T10] [ 471.821025][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 471.821342][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 471.821342][ T10] netdev_get_by_index+0x5e/0x80 [ 471.821342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.821342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.821342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.821342][ T10] ipv6_add_addr+0x411/0x2000 [ 471.821342][ T10] inet6_addr_add+0x30e/0xa40 [ 471.821342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.821342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.821342][ T10] netlink_rcv_skb+0x130/0x360 [ 471.821342][ T10] netlink_unicast+0x449/0x710 [ 471.821342][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.821342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.821342][ T10] ___sys_sendmsg+0xee/0x170 [ 471.821342][ T10] __sys_sendmsg+0xcd/0x170 [ 471.821342][ T10] do_syscall_64+0xc6/0x1e0 [ 471.821342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.821342][ T10] [ 471.823328][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 471.823328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.823328][ T10] ipv6_find_idev+0x102/0x170 [ 471.823328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.823328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.823328][ T10] netlink_rcv_skb+0x130/0x360 [ 471.823328][ T10] netlink_unicast+0x449/0x710 [ 471.823328][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.823328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.823328][ T10] ___sys_sendmsg+0xee/0x170 [ 471.823328][ T10] __sys_sendmsg+0xcd/0x170 [ 471.823328][ T10] do_syscall_64+0xc6/0x1e0 [ 471.823328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.823328][ T10] [ 471.824906][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 471.824906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.824906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.824906][ T10] ipv6_find_idev+0x102/0x170 [ 471.824906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.824906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.824906][ T10] netlink_rcv_skb+0x130/0x360 [ 471.824906][ T10] netlink_unicast+0x449/0x710 [ 471.824906][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.824906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.824906][ T10] ___sys_sendmsg+0xee/0x170 [ 471.824906][ T10] __sys_sendmsg+0xcd/0x170 [ 471.824906][ T10] do_syscall_64+0xc6/0x1e0 [ 471.824906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.824906][ T10] [ 471.826815][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 471.827076][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 471.827076][ T10] netdev_get_by_index+0x5e/0x80 [ 471.827076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.827076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.827076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.827076][ T10] ipv6_add_addr+0x411/0x2000 [ 471.827076][ T10] inet6_addr_add+0x30e/0xa40 [ 471.827076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.827076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.827076][ T10] netlink_rcv_skb+0x130/0x360 [ 471.827076][ T10] netlink_unicast+0x449/0x710 [ 471.827076][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.827076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.827076][ T10] ___sys_sendmsg+0xee/0x170 [ 471.827076][ T10] __sys_sendmsg+0xcd/0x170 [ 471.827076][ T10] do_syscall_64+0xc6/0x1e0 [ 471.827076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.827076][ T10] [ 471.829108][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 471.829108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.829108][ T10] ipv6_find_idev+0x102/0x170 [ 471.829108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.829108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.829108][ T10] netlink_rcv_skb+0x130/0x360 [ 471.829108][ T10] netlink_unicast+0x449/0x710 [ 471.829108][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.829108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.829108][ T10] ___sys_sendmsg+0xee/0x170 [ 471.829108][ T10] __sys_sendmsg+0xcd/0x170 [ 471.829108][ T10] do_syscall_64+0xc6/0x1e0 [ 471.829108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.829108][ T10] [ 471.830628][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 471.830628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.830628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.830628][ T10] ipv6_find_idev+0x102/0x170 [ 471.830628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.830628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.830628][ T10] netlink_rcv_skb+0x130/0x360 [ 471.830628][ T10] netlink_unicast+0x449/0x710 [ 471.830628][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.830628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.830628][ T10] ___sys_sendmsg+0xee/0x170 [ 471.830628][ T10] __sys_sendmsg+0xcd/0x170 [ 471.830628][ T10] do_syscall_64+0xc6/0x1e0 [ 471.830628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.830628][ T10] [ 471.832577][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 471.832841][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 471.832841][ T10] netdev_get_by_index+0x5e/0x80 [ 471.832841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.832841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.832841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.832841][ T10] ipv6_add_addr+0x411/0x2000 [ 471.832841][ T10] inet6_addr_add+0x30e/0xa40 [ 471.832841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.832841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.832841][ T10] netlink_rcv_skb+0x130/0x360 [ 471.832841][ T10] netlink_unicast+0x449/0x710 [ 471.832841][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.832841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.832841][ T10] ___sys_sendmsg+0xee/0x170 [ 471.832841][ T10] __sys_sendmsg+0xcd/0x170 [ 471.832841][ T10] do_syscall_64+0xc6/0x1e0 [ 471.832841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.832841][ T10] [ 471.834868][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 471.834868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.834868][ T10] ipv6_find_idev+0x102/0x170 [ 471.834868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.834868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.834868][ T10] netlink_rcv_skb+0x130/0x360 [ 471.834868][ T10] netlink_unicast+0x449/0x710 [ 471.834868][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.834868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.834868][ T10] ___sys_sendmsg+0xee/0x170 [ 471.834868][ T10] __sys_sendmsg+0xcd/0x170 [ 471.834868][ T10] do_syscall_64+0xc6/0x1e0 [ 471.834868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.834868][ T10] [ 471.836553][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 471.836553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.836553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.836553][ T10] ipv6_find_idev+0x102/0x170 [ 471.836553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.836553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.836553][ T10] netlink_rcv_skb+0x130/0x360 [ 471.836553][ T10] netlink_unicast+0x449/0x710 [ 471.836553][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.836553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.836553][ T10] ___sys_sendmsg+0xee/0x170 [ 471.836553][ T10] __sys_sendmsg+0xcd/0x170 [ 471.836553][ T10] do_syscall_64+0xc6/0x1e0 [ 471.836553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.836553][ T10] [ 481.953272][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 481.953600][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 481.953600][ T10] netdev_get_by_index+0x5e/0x80 [ 481.953600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.953600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.953600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.953600][ T10] ipv6_add_addr+0x411/0x2000 [ 481.953600][ T10] inet6_addr_add+0x30e/0xa40 [ 481.953600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.953600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.953600][ T10] netlink_rcv_skb+0x130/0x360 [ 481.953600][ T10] netlink_unicast+0x449/0x710 [ 481.953600][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.953600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.953600][ T10] ___sys_sendmsg+0xee/0x170 [ 481.953600][ T10] __sys_sendmsg+0xcd/0x170 [ 481.953600][ T10] do_syscall_64+0xc6/0x1e0 [ 481.953600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.953600][ T10] [ 481.955582][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 481.955582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.955582][ T10] ipv6_find_idev+0x102/0x170 [ 481.955582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.955582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.955582][ T10] netlink_rcv_skb+0x130/0x360 [ 481.955582][ T10] netlink_unicast+0x449/0x710 [ 481.955582][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.955582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.955582][ T10] ___sys_sendmsg+0xee/0x170 [ 481.955582][ T10] __sys_sendmsg+0xcd/0x170 [ 481.955582][ T10] do_syscall_64+0xc6/0x1e0 [ 481.955582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.955582][ T10] [ 481.957161][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 481.957161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.957161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.957161][ T10] ipv6_find_idev+0x102/0x170 [ 481.957161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.957161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.957161][ T10] netlink_rcv_skb+0x130/0x360 [ 481.957161][ T10] netlink_unicast+0x449/0x710 [ 481.957161][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.957161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.957161][ T10] ___sys_sendmsg+0xee/0x170 [ 481.957161][ T10] __sys_sendmsg+0xcd/0x170 [ 481.957161][ T10] do_syscall_64+0xc6/0x1e0 [ 481.957161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.957161][ T10] [ 481.958989][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 481.959859][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 481.959859][ T10] netdev_get_by_index+0x5e/0x80 [ 481.959859][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.959859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.959859][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.959859][ T10] ipv6_add_addr+0x411/0x2000 [ 481.959859][ T10] inet6_addr_add+0x30e/0xa40 [ 481.959859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.959859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.959859][ T10] netlink_rcv_skb+0x130/0x360 [ 481.959859][ T10] netlink_unicast+0x449/0x710 [ 481.959859][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.959859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.959859][ T10] ___sys_sendmsg+0xee/0x170 [ 481.959859][ T10] __sys_sendmsg+0xcd/0x170 [ 481.959859][ T10] do_syscall_64+0xc6/0x1e0 [ 481.959859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.959859][ T10] [ 481.961850][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 481.961850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.961850][ T10] ipv6_find_idev+0x102/0x170 [ 481.961850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.961850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.961850][ T10] netlink_rcv_skb+0x130/0x360 [ 481.961850][ T10] netlink_unicast+0x449/0x710 [ 481.961850][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.961850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.961850][ T10] ___sys_sendmsg+0xee/0x170 [ 481.961850][ T10] __sys_sendmsg+0xcd/0x170 [ 481.961850][ T10] do_syscall_64+0xc6/0x1e0 [ 481.961850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.961850][ T10] [ 481.963584][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 481.963584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.963584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.963584][ T10] ipv6_find_idev+0x102/0x170 [ 481.963584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.963584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.963584][ T10] netlink_rcv_skb+0x130/0x360 [ 481.963584][ T10] netlink_unicast+0x449/0x710 [ 481.963584][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.963584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.963584][ T10] ___sys_sendmsg+0xee/0x170 [ 481.963584][ T10] __sys_sendmsg+0xcd/0x170 [ 481.963584][ T10] do_syscall_64+0xc6/0x1e0 [ 481.963584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.963584][ T10] [ 481.965553][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 481.965816][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 481.965816][ T10] netdev_get_by_index+0x5e/0x80 [ 481.965816][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.965816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.965816][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.965816][ T10] ipv6_add_addr+0x411/0x2000 [ 481.965816][ T10] inet6_addr_add+0x30e/0xa40 [ 481.965816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.965816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.965816][ T10] netlink_rcv_skb+0x130/0x360 [ 481.965816][ T10] netlink_unicast+0x449/0x710 [ 481.965816][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.965816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.965816][ T10] ___sys_sendmsg+0xee/0x170 [ 481.965816][ T10] __sys_sendmsg+0xcd/0x170 [ 481.965816][ T10] do_syscall_64+0xc6/0x1e0 [ 481.965816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.965816][ T10] [ 481.967978][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 481.967978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.967978][ T10] ipv6_find_idev+0x102/0x170 [ 481.967978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.967978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.967978][ T10] netlink_rcv_skb+0x130/0x360 [ 481.967978][ T10] netlink_unicast+0x449/0x710 [ 481.967978][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.967978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.967978][ T10] ___sys_sendmsg+0xee/0x170 [ 481.967978][ T10] __sys_sendmsg+0xcd/0x170 [ 481.967978][ T10] do_syscall_64+0xc6/0x1e0 [ 481.967978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.967978][ T10] [ 481.969721][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 481.969721][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.969721][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.969721][ T10] ipv6_find_idev+0x102/0x170 [ 481.969721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.969721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.969721][ T10] netlink_rcv_skb+0x130/0x360 [ 481.969721][ T10] netlink_unicast+0x449/0x710 [ 481.969721][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.969721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.969721][ T10] ___sys_sendmsg+0xee/0x170 [ 481.969721][ T10] __sys_sendmsg+0xcd/0x170 [ 481.969721][ T10] do_syscall_64+0xc6/0x1e0 [ 481.969721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.969721][ T10] [ 481.971660][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 481.971916][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 481.971916][ T10] netdev_get_by_index+0x5e/0x80 [ 481.971916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.971916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.971916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.971916][ T10] ipv6_add_addr+0x411/0x2000 [ 481.971916][ T10] inet6_addr_add+0x30e/0xa40 [ 481.971916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.971916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.971916][ T10] netlink_rcv_skb+0x130/0x360 [ 481.971916][ T10] netlink_unicast+0x449/0x710 [ 481.971916][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.971916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.971916][ T10] ___sys_sendmsg+0xee/0x170 [ 481.971916][ T10] __sys_sendmsg+0xcd/0x170 [ 481.971916][ T10] do_syscall_64+0xc6/0x1e0 [ 481.971916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.971916][ T10] [ 481.974085][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 481.974085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.974085][ T10] ipv6_find_idev+0x102/0x170 [ 481.974085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.974085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.974085][ T10] netlink_rcv_skb+0x130/0x360 [ 481.974085][ T10] netlink_unicast+0x449/0x710 [ 481.974085][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.974085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.974085][ T10] ___sys_sendmsg+0xee/0x170 [ 481.974085][ T10] __sys_sendmsg+0xcd/0x170 [ 481.974085][ T10] do_syscall_64+0xc6/0x1e0 [ 481.974085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.974085][ T10] [ 481.975748][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 481.975748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.975748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.975748][ T10] ipv6_find_idev+0x102/0x170 [ 481.975748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.975748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.975748][ T10] netlink_rcv_skb+0x130/0x360 [ 481.975748][ T10] netlink_unicast+0x449/0x710 [ 481.975748][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.975748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.975748][ T10] ___sys_sendmsg+0xee/0x170 [ 481.975748][ T10] __sys_sendmsg+0xcd/0x170 [ 481.975748][ T10] do_syscall_64+0xc6/0x1e0 [ 481.975748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.975748][ T10] [ 481.977802][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 481.978066][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 481.978066][ T10] netdev_get_by_index+0x5e/0x80 [ 481.978066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.978066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.978066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.978066][ T10] ipv6_add_addr+0x411/0x2000 [ 481.978066][ T10] inet6_addr_add+0x30e/0xa40 [ 481.978066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.978066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.978066][ T10] netlink_rcv_skb+0x130/0x360 [ 481.978066][ T10] netlink_unicast+0x449/0x710 [ 481.978066][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.978066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.978066][ T10] ___sys_sendmsg+0xee/0x170 [ 481.978066][ T10] __sys_sendmsg+0xcd/0x170 [ 481.978066][ T10] do_syscall_64+0xc6/0x1e0 [ 481.978066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.978066][ T10] [ 481.980219][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 481.980219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.980219][ T10] ipv6_find_idev+0x102/0x170 [ 481.980219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.980219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.980219][ T10] netlink_rcv_skb+0x130/0x360 [ 481.980219][ T10] netlink_unicast+0x449/0x710 [ 481.980219][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.980219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.980219][ T10] ___sys_sendmsg+0xee/0x170 [ 481.980219][ T10] __sys_sendmsg+0xcd/0x170 [ 481.980219][ T10] do_syscall_64+0xc6/0x1e0 [ 481.980219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.980219][ T10] [ 481.981788][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 481.981788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.981788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.981788][ T10] ipv6_find_idev+0x102/0x170 [ 481.981788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.981788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.981788][ T10] netlink_rcv_skb+0x130/0x360 [ 481.981788][ T10] netlink_unicast+0x449/0x710 [ 481.981788][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.981788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.981788][ T10] ___sys_sendmsg+0xee/0x170 [ 481.981788][ T10] __sys_sendmsg+0xcd/0x170 [ 481.981788][ T10] do_syscall_64+0xc6/0x1e0 [ 481.981788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.981788][ T10] [ 481.983751][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 481.984019][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 481.984019][ T10] netdev_get_by_index+0x5e/0x80 [ 481.984019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.984019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.984019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.984019][ T10] ipv6_add_addr+0x411/0x2000 [ 481.984019][ T10] inet6_addr_add+0x30e/0xa40 [ 481.984019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.984019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.984019][ T10] netlink_rcv_skb+0x130/0x360 [ 481.984019][ T10] netlink_unicast+0x449/0x710 [ 481.984019][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.984019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.984019][ T10] ___sys_sendmsg+0xee/0x170 [ 481.984019][ T10] __sys_sendmsg+0xcd/0x170 [ 481.984019][ T10] do_syscall_64+0xc6/0x1e0 [ 481.984019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.984019][ T10] [ 481.986111][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 481.986111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.986111][ T10] ipv6_find_idev+0x102/0x170 [ 481.986111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.986111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.986111][ T10] netlink_rcv_skb+0x130/0x360 [ 481.986111][ T10] netlink_unicast+0x449/0x710 [ 481.986111][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.986111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.986111][ T10] ___sys_sendmsg+0xee/0x170 [ 481.986111][ T10] __sys_sendmsg+0xcd/0x170 [ 481.986111][ T10] do_syscall_64+0xc6/0x1e0 [ 481.986111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.986111][ T10] [ 481.987701][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 481.987701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.987701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.987701][ T10] ipv6_find_idev+0x102/0x170 [ 481.987701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.987701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.987701][ T10] netlink_rcv_skb+0x130/0x360 [ 481.987701][ T10] netlink_unicast+0x449/0x710 [ 481.987701][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.987701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.987701][ T10] ___sys_sendmsg+0xee/0x170 [ 481.987701][ T10] __sys_sendmsg+0xcd/0x170 [ 481.987701][ T10] do_syscall_64+0xc6/0x1e0 [ 481.987701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.987701][ T10] [ 481.989461][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 481.989726][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 481.989726][ T10] netdev_get_by_index+0x5e/0x80 [ 481.989726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.989726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.989726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.989726][ T10] ipv6_add_addr+0x411/0x2000 [ 481.989726][ T10] inet6_addr_add+0x30e/0xa40 [ 481.989726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.989726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.989726][ T10] netlink_rcv_skb+0x130/0x360 [ 481.989726][ T10] netlink_unicast+0x449/0x710 [ 481.989726][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.989726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.989726][ T10] ___sys_sendmsg+0xee/0x170 [ 481.989726][ T10] __sys_sendmsg+0xcd/0x170 [ 481.989726][ T10] do_syscall_64+0xc6/0x1e0 [ 481.989726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.989726][ T10] [ 481.991812][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 481.991812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.991812][ T10] ipv6_find_idev+0x102/0x170 [ 481.991812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.991812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.991812][ T10] netlink_rcv_skb+0x130/0x360 [ 481.991812][ T10] netlink_unicast+0x449/0x710 [ 481.991812][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.991812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.991812][ T10] ___sys_sendmsg+0xee/0x170 [ 481.991812][ T10] __sys_sendmsg+0xcd/0x170 [ 481.991812][ T10] do_syscall_64+0xc6/0x1e0 [ 481.991812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.991812][ T10] [ 481.993599][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 481.993599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.993599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.993599][ T10] ipv6_find_idev+0x102/0x170 [ 481.993599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.993599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.993599][ T10] netlink_rcv_skb+0x130/0x360 [ 481.993599][ T10] netlink_unicast+0x449/0x710 [ 481.993599][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.993599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.993599][ T10] ___sys_sendmsg+0xee/0x170 [ 481.993599][ T10] __sys_sendmsg+0xcd/0x170 [ 481.993599][ T10] do_syscall_64+0xc6/0x1e0 [ 481.993599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.993599][ T10] [ 481.995546][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 481.995877][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 481.995877][ T10] netdev_get_by_index+0x5e/0x80 [ 481.995877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.995877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.995877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.995877][ T10] ipv6_add_addr+0x411/0x2000 [ 481.995877][ T10] inet6_addr_add+0x30e/0xa40 [ 481.995877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.995877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.995877][ T10] netlink_rcv_skb+0x130/0x360 [ 481.995877][ T10] netlink_unicast+0x449/0x710 [ 481.995877][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.995877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.995877][ T10] ___sys_sendmsg+0xee/0x170 [ 481.995877][ T10] __sys_sendmsg+0xcd/0x170 [ 481.995877][ T10] do_syscall_64+0xc6/0x1e0 [ 481.995877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.995877][ T10] [ 481.997893][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 481.997893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.997893][ T10] ipv6_find_idev+0x102/0x170 [ 481.997893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.997893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.997893][ T10] netlink_rcv_skb+0x130/0x360 [ 481.997893][ T10] netlink_unicast+0x449/0x710 [ 481.997893][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.997893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.997893][ T10] ___sys_sendmsg+0xee/0x170 [ 481.997893][ T10] __sys_sendmsg+0xcd/0x170 [ 481.997893][ T10] do_syscall_64+0xc6/0x1e0 [ 481.997893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.997893][ T10] [ 481.999635][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 481.999635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.999635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.999635][ T10] ipv6_find_idev+0x102/0x170 [ 481.999635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.999635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.999635][ T10] netlink_rcv_skb+0x130/0x360 [ 481.999635][ T10] netlink_unicast+0x449/0x710 [ 481.999635][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.999635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.999635][ T10] ___sys_sendmsg+0xee/0x170 [ 481.999635][ T10] __sys_sendmsg+0xcd/0x170 [ 481.999635][ T10] do_syscall_64+0xc6/0x1e0 [ 481.999635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.999635][ T10] [ 492.168117][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 492.168451][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 492.168451][ T10] netdev_get_by_index+0x5e/0x80 [ 492.168451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.168451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.168451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.168451][ T10] ipv6_add_addr+0x411/0x2000 [ 492.168451][ T10] inet6_addr_add+0x30e/0xa40 [ 492.168451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.168451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.168451][ T10] netlink_rcv_skb+0x130/0x360 [ 492.168451][ T10] netlink_unicast+0x449/0x710 [ 492.168451][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.168451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.168451][ T10] ___sys_sendmsg+0xee/0x170 [ 492.168451][ T10] __sys_sendmsg+0xcd/0x170 [ 492.168451][ T10] do_syscall_64+0xc6/0x1e0 [ 492.168451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.168451][ T10] [ 492.170420][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 492.170420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.170420][ T10] ipv6_find_idev+0x102/0x170 [ 492.170420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.170420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.170420][ T10] netlink_rcv_skb+0x130/0x360 [ 492.170420][ T10] netlink_unicast+0x449/0x710 [ 492.170420][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.170420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.170420][ T10] ___sys_sendmsg+0xee/0x170 [ 492.170420][ T10] __sys_sendmsg+0xcd/0x170 [ 492.170420][ T10] do_syscall_64+0xc6/0x1e0 [ 492.170420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.170420][ T10] [ 492.171922][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 492.171922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.171922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.171922][ T10] ipv6_find_idev+0x102/0x170 [ 492.171922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.171922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.171922][ T10] netlink_rcv_skb+0x130/0x360 [ 492.171922][ T10] netlink_unicast+0x449/0x710 [ 492.171922][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.171922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.171922][ T10] ___sys_sendmsg+0xee/0x170 [ 492.171922][ T10] __sys_sendmsg+0xcd/0x170 [ 492.171922][ T10] do_syscall_64+0xc6/0x1e0 [ 492.171922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.171922][ T10] [ 492.173676][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 492.173945][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 492.173945][ T10] netdev_get_by_index+0x5e/0x80 [ 492.173945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.173945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.173945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.173945][ T10] ipv6_add_addr+0x411/0x2000 [ 492.173945][ T10] inet6_addr_add+0x30e/0xa40 [ 492.173945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.173945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.173945][ T10] netlink_rcv_skb+0x130/0x360 [ 492.173945][ T10] netlink_unicast+0x449/0x710 [ 492.173945][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.173945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.173945][ T10] ___sys_sendmsg+0xee/0x170 [ 492.173945][ T10] __sys_sendmsg+0xcd/0x170 [ 492.173945][ T10] do_syscall_64+0xc6/0x1e0 [ 492.173945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.173945][ T10] [ 492.175892][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 492.175892][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.175892][ T10] ipv6_find_idev+0x102/0x170 [ 492.175892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.175892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.175892][ T10] netlink_rcv_skb+0x130/0x360 [ 492.175892][ T10] netlink_unicast+0x449/0x710 [ 492.175892][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.175892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.175892][ T10] ___sys_sendmsg+0xee/0x170 [ 492.175892][ T10] __sys_sendmsg+0xcd/0x170 [ 492.175892][ T10] do_syscall_64+0xc6/0x1e0 [ 492.175892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.175892][ T10] [ 492.177409][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 492.177409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.177409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.177409][ T10] ipv6_find_idev+0x102/0x170 [ 492.177409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.177409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.177409][ T10] netlink_rcv_skb+0x130/0x360 [ 492.177409][ T10] netlink_unicast+0x449/0x710 [ 492.177409][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.177409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.177409][ T10] ___sys_sendmsg+0xee/0x170 [ 492.177409][ T10] __sys_sendmsg+0xcd/0x170 [ 492.177409][ T10] do_syscall_64+0xc6/0x1e0 [ 492.177409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.177409][ T10] [ 492.179113][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 492.179388][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 492.179388][ T10] netdev_get_by_index+0x5e/0x80 [ 492.179388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.179388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.179388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.179388][ T10] ipv6_add_addr+0x411/0x2000 [ 492.179388][ T10] inet6_addr_add+0x30e/0xa40 [ 492.179388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.179388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.179388][ T10] netlink_rcv_skb+0x130/0x360 [ 492.179388][ T10] netlink_unicast+0x449/0x710 [ 492.179388][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.179388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.179388][ T10] ___sys_sendmsg+0xee/0x170 [ 492.179388][ T10] __sys_sendmsg+0xcd/0x170 [ 492.179388][ T10] do_syscall_64+0xc6/0x1e0 [ 492.179388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.179388][ T10] [ 492.181354][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 492.181354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.181354][ T10] ipv6_find_idev+0x102/0x170 [ 492.181354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.181354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.181354][ T10] netlink_rcv_skb+0x130/0x360 [ 492.181354][ T10] netlink_unicast+0x449/0x710 [ 492.181354][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.181354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.181354][ T10] ___sys_sendmsg+0xee/0x170 [ 492.181354][ T10] __sys_sendmsg+0xcd/0x170 [ 492.181354][ T10] do_syscall_64+0xc6/0x1e0 [ 492.181354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.181354][ T10] [ 492.182864][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 492.182864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.182864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.182864][ T10] ipv6_find_idev+0x102/0x170 [ 492.182864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.182864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.182864][ T10] netlink_rcv_skb+0x130/0x360 [ 492.182864][ T10] netlink_unicast+0x449/0x710 [ 492.182864][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.182864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.182864][ T10] ___sys_sendmsg+0xee/0x170 [ 492.182864][ T10] __sys_sendmsg+0xcd/0x170 [ 492.182864][ T10] do_syscall_64+0xc6/0x1e0 [ 492.182864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.182864][ T10] [ 492.184560][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 492.184823][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 492.184823][ T10] netdev_get_by_index+0x5e/0x80 [ 492.184823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.184823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.184823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.184823][ T10] ipv6_add_addr+0x411/0x2000 [ 492.184823][ T10] inet6_addr_add+0x30e/0xa40 [ 492.184823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.184823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.184823][ T10] netlink_rcv_skb+0x130/0x360 [ 492.184823][ T10] netlink_unicast+0x449/0x710 [ 492.184823][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.184823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.184823][ T10] ___sys_sendmsg+0xee/0x170 [ 492.184823][ T10] __sys_sendmsg+0xcd/0x170 [ 492.184823][ T10] do_syscall_64+0xc6/0x1e0 [ 492.184823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.184823][ T10] [ 492.186960][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 492.186960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.186960][ T10] ipv6_find_idev+0x102/0x170 [ 492.186960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.186960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.186960][ T10] netlink_rcv_skb+0x130/0x360 [ 492.186960][ T10] netlink_unicast+0x449/0x710 [ 492.186960][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.186960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.186960][ T10] ___sys_sendmsg+0xee/0x170 [ 492.186960][ T10] __sys_sendmsg+0xcd/0x170 [ 492.186960][ T10] do_syscall_64+0xc6/0x1e0 [ 492.186960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.186960][ T10] [ 492.188634][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 492.188634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.188634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.188634][ T10] ipv6_find_idev+0x102/0x170 [ 492.188634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.188634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.188634][ T10] netlink_rcv_skb+0x130/0x360 [ 492.188634][ T10] netlink_unicast+0x449/0x710 [ 492.188634][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.188634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.188634][ T10] ___sys_sendmsg+0xee/0x170 [ 492.188634][ T10] __sys_sendmsg+0xcd/0x170 [ 492.188634][ T10] do_syscall_64+0xc6/0x1e0 [ 492.188634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.188634][ T10] [ 492.190510][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 492.190838][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 492.190838][ T10] netdev_get_by_index+0x5e/0x80 [ 492.190838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.190838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.190838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.190838][ T10] ipv6_add_addr+0x411/0x2000 [ 492.190838][ T10] inet6_addr_add+0x30e/0xa40 [ 492.190838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.190838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.190838][ T10] netlink_rcv_skb+0x130/0x360 [ 492.190838][ T10] netlink_unicast+0x449/0x710 [ 492.190838][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.190838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.190838][ T10] ___sys_sendmsg+0xee/0x170 [ 492.190838][ T10] __sys_sendmsg+0xcd/0x170 [ 492.190838][ T10] do_syscall_64+0xc6/0x1e0 [ 492.190838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.190838][ T10] [ 492.192790][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 492.192790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.192790][ T10] ipv6_find_idev+0x102/0x170 [ 492.192790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.192790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.192790][ T10] netlink_rcv_skb+0x130/0x360 [ 492.192790][ T10] netlink_unicast+0x449/0x710 [ 492.192790][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.192790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.192790][ T10] ___sys_sendmsg+0xee/0x170 [ 492.192790][ T10] __sys_sendmsg+0xcd/0x170 [ 492.192790][ T10] do_syscall_64+0xc6/0x1e0 [ 492.192790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.192790][ T10] [ 492.194412][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 492.194412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.194412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.194412][ T10] ipv6_find_idev+0x102/0x170 [ 492.194412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.194412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.194412][ T10] netlink_rcv_skb+0x130/0x360 [ 492.194412][ T10] netlink_unicast+0x449/0x710 [ 492.194412][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.194412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.194412][ T10] ___sys_sendmsg+0xee/0x170 [ 492.194412][ T10] __sys_sendmsg+0xcd/0x170 [ 492.194412][ T10] do_syscall_64+0xc6/0x1e0 [ 492.194412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.194412][ T10] [ 492.196633][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 492.197370][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 492.197370][ T10] netdev_get_by_index+0x5e/0x80 [ 492.197370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.197370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.197370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.197370][ T10] ipv6_add_addr+0x411/0x2000 [ 492.197370][ T10] inet6_addr_add+0x30e/0xa40 [ 492.197370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.197370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.197370][ T10] netlink_rcv_skb+0x130/0x360 [ 492.197370][ T10] netlink_unicast+0x449/0x710 [ 492.197370][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.197370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.197370][ T10] ___sys_sendmsg+0xee/0x170 [ 492.197370][ T10] __sys_sendmsg+0xcd/0x170 [ 492.197370][ T10] do_syscall_64+0xc6/0x1e0 [ 492.197370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.197370][ T10] [ 492.199362][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 492.199362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.199362][ T10] ipv6_find_idev+0x102/0x170 [ 492.199362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.199362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.199362][ T10] netlink_rcv_skb+0x130/0x360 [ 492.199362][ T10] netlink_unicast+0x449/0x710 [ 492.199362][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.199362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.199362][ T10] ___sys_sendmsg+0xee/0x170 [ 492.199362][ T10] __sys_sendmsg+0xcd/0x170 [ 492.199362][ T10] do_syscall_64+0xc6/0x1e0 [ 492.199362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.199362][ T10] [ 492.200875][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 492.200875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.200875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.200875][ T10] ipv6_find_idev+0x102/0x170 [ 492.200875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.200875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.200875][ T10] netlink_rcv_skb+0x130/0x360 [ 492.200875][ T10] netlink_unicast+0x449/0x710 [ 492.200875][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.200875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.200875][ T10] ___sys_sendmsg+0xee/0x170 [ 492.200875][ T10] __sys_sendmsg+0xcd/0x170 [ 492.200875][ T10] do_syscall_64+0xc6/0x1e0 [ 492.200875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.200875][ T10] [ 492.202691][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 492.203011][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 492.203011][ T10] netdev_get_by_index+0x5e/0x80 [ 492.203011][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.203011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.203011][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.203011][ T10] ipv6_add_addr+0x411/0x2000 [ 492.203011][ T10] inet6_addr_add+0x30e/0xa40 [ 492.203011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.203011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.203011][ T10] netlink_rcv_skb+0x130/0x360 [ 492.203011][ T10] netlink_unicast+0x449/0x710 [ 492.203011][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.203011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.203011][ T10] ___sys_sendmsg+0xee/0x170 [ 492.203011][ T10] __sys_sendmsg+0xcd/0x170 [ 492.203011][ T10] do_syscall_64+0xc6/0x1e0 [ 492.203011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.203011][ T10] [ 492.205237][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 492.205237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.205237][ T10] ipv6_find_idev+0x102/0x170 [ 492.205237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.205237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.205237][ T10] netlink_rcv_skb+0x130/0x360 [ 492.205237][ T10] netlink_unicast+0x449/0x710 [ 492.205237][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.205237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.205237][ T10] ___sys_sendmsg+0xee/0x170 [ 492.205237][ T10] __sys_sendmsg+0xcd/0x170 [ 492.205237][ T10] do_syscall_64+0xc6/0x1e0 [ 492.205237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.205237][ T10] [ 492.206933][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 492.206933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.206933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.206933][ T10] ipv6_find_idev+0x102/0x170 [ 492.206933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.206933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.206933][ T10] netlink_rcv_skb+0x130/0x360 [ 492.206933][ T10] netlink_unicast+0x449/0x710 [ 492.206933][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.206933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.206933][ T10] ___sys_sendmsg+0xee/0x170 [ 492.206933][ T10] __sys_sendmsg+0xcd/0x170 [ 492.206933][ T10] do_syscall_64+0xc6/0x1e0 [ 492.206933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.206933][ T10] [ 492.208824][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 492.209085][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 492.209085][ T10] netdev_get_by_index+0x5e/0x80 [ 492.209085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.209085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.209085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.209085][ T10] ipv6_add_addr+0x411/0x2000 [ 492.209085][ T10] inet6_addr_add+0x30e/0xa40 [ 492.209085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.209085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.209085][ T10] netlink_rcv_skb+0x130/0x360 [ 492.209085][ T10] netlink_unicast+0x449/0x710 [ 492.209085][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.209085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.209085][ T10] ___sys_sendmsg+0xee/0x170 [ 492.209085][ T10] __sys_sendmsg+0xcd/0x170 [ 492.209085][ T10] do_syscall_64+0xc6/0x1e0 [ 492.209085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.209085][ T10] [ 492.211254][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 492.211254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.211254][ T10] ipv6_find_idev+0x102/0x170 [ 492.211254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.211254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.211254][ T10] netlink_rcv_skb+0x130/0x360 [ 492.211254][ T10] netlink_unicast+0x449/0x710 [ 492.211254][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.211254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.211254][ T10] ___sys_sendmsg+0xee/0x170 [ 492.211254][ T10] __sys_sendmsg+0xcd/0x170 [ 492.211254][ T10] do_syscall_64+0xc6/0x1e0 [ 492.211254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.211254][ T10] [ 492.212886][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 492.212886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.212886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.212886][ T10] ipv6_find_idev+0x102/0x170 [ 492.212886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.212886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.212886][ T10] netlink_rcv_skb+0x130/0x360 [ 492.212886][ T10] netlink_unicast+0x449/0x710 [ 492.212886][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.212886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.212886][ T10] ___sys_sendmsg+0xee/0x170 [ 492.212886][ T10] __sys_sendmsg+0xcd/0x170 [ 492.212886][ T10] do_syscall_64+0xc6/0x1e0 [ 492.212886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.212886][ T10] [ 502.360124][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 502.360471][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 502.360471][ T10] netdev_get_by_index+0x5e/0x80 [ 502.360471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.360471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.360471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.360471][ T10] ipv6_add_addr+0x411/0x2000 [ 502.360471][ T10] inet6_addr_add+0x30e/0xa40 [ 502.360471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.360471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.360471][ T10] netlink_rcv_skb+0x130/0x360 [ 502.360471][ T10] netlink_unicast+0x449/0x710 [ 502.360471][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.360471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.360471][ T10] ___sys_sendmsg+0xee/0x170 [ 502.360471][ T10] __sys_sendmsg+0xcd/0x170 [ 502.360471][ T10] do_syscall_64+0xc6/0x1e0 [ 502.360471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.360471][ T10] [ 502.362479][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 502.362479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.362479][ T10] ipv6_find_idev+0x102/0x170 [ 502.362479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.362479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.362479][ T10] netlink_rcv_skb+0x130/0x360 [ 502.362479][ T10] netlink_unicast+0x449/0x710 [ 502.362479][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.362479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.362479][ T10] ___sys_sendmsg+0xee/0x170 [ 502.362479][ T10] __sys_sendmsg+0xcd/0x170 [ 502.362479][ T10] do_syscall_64+0xc6/0x1e0 [ 502.362479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.362479][ T10] [ 502.363984][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 502.363984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.363984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.363984][ T10] ipv6_find_idev+0x102/0x170 [ 502.363984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.363984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.363984][ T10] netlink_rcv_skb+0x130/0x360 [ 502.363984][ T10] netlink_unicast+0x449/0x710 [ 502.363984][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.363984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.363984][ T10] ___sys_sendmsg+0xee/0x170 [ 502.363984][ T10] __sys_sendmsg+0xcd/0x170 [ 502.363984][ T10] do_syscall_64+0xc6/0x1e0 [ 502.363984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.363984][ T10] [ 502.365708][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 502.365971][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 502.365971][ T10] netdev_get_by_index+0x5e/0x80 [ 502.365971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.365971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.365971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.365971][ T10] ipv6_add_addr+0x411/0x2000 [ 502.365971][ T10] inet6_addr_add+0x30e/0xa40 [ 502.365971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.365971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.365971][ T10] netlink_rcv_skb+0x130/0x360 [ 502.365971][ T10] netlink_unicast+0x449/0x710 [ 502.365971][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.365971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.365971][ T10] ___sys_sendmsg+0xee/0x170 [ 502.365971][ T10] __sys_sendmsg+0xcd/0x170 [ 502.365971][ T10] do_syscall_64+0xc6/0x1e0 [ 502.365971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.365971][ T10] [ 502.367893][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 502.367893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.367893][ T10] ipv6_find_idev+0x102/0x170 [ 502.367893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.367893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.367893][ T10] netlink_rcv_skb+0x130/0x360 [ 502.367893][ T10] netlink_unicast+0x449/0x710 [ 502.367893][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.367893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.367893][ T10] ___sys_sendmsg+0xee/0x170 [ 502.367893][ T10] __sys_sendmsg+0xcd/0x170 [ 502.367893][ T10] do_syscall_64+0xc6/0x1e0 [ 502.367893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.367893][ T10] [ 502.369353][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 502.369353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.369353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.369353][ T10] ipv6_find_idev+0x102/0x170 [ 502.369353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.369353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.369353][ T10] netlink_rcv_skb+0x130/0x360 [ 502.369353][ T10] netlink_unicast+0x449/0x710 [ 502.369353][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.369353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.369353][ T10] ___sys_sendmsg+0xee/0x170 [ 502.369353][ T10] __sys_sendmsg+0xcd/0x170 [ 502.369353][ T10] do_syscall_64+0xc6/0x1e0 [ 502.369353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.369353][ T10] [ 502.370965][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 502.371247][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 502.371247][ T10] netdev_get_by_index+0x5e/0x80 [ 502.371247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.371247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.371247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.371247][ T10] ipv6_add_addr+0x411/0x2000 [ 502.371247][ T10] inet6_addr_add+0x30e/0xa40 [ 502.371247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.371247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.371247][ T10] netlink_rcv_skb+0x130/0x360 [ 502.371247][ T10] netlink_unicast+0x449/0x710 [ 502.371247][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.371247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.371247][ T10] ___sys_sendmsg+0xee/0x170 [ 502.371247][ T10] __sys_sendmsg+0xcd/0x170 [ 502.371247][ T10] do_syscall_64+0xc6/0x1e0 [ 502.371247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.371247][ T10] [ 502.373216][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 502.373216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.373216][ T10] ipv6_find_idev+0x102/0x170 [ 502.373216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.373216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.373216][ T10] netlink_rcv_skb+0x130/0x360 [ 502.373216][ T10] netlink_unicast+0x449/0x710 [ 502.373216][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.373216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.373216][ T10] ___sys_sendmsg+0xee/0x170 [ 502.373216][ T10] __sys_sendmsg+0xcd/0x170 [ 502.373216][ T10] do_syscall_64+0xc6/0x1e0 [ 502.373216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.373216][ T10] [ 502.374724][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 502.374724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.374724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.374724][ T10] ipv6_find_idev+0x102/0x170 [ 502.374724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.374724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.374724][ T10] netlink_rcv_skb+0x130/0x360 [ 502.374724][ T10] netlink_unicast+0x449/0x710 [ 502.374724][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.374724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.374724][ T10] ___sys_sendmsg+0xee/0x170 [ 502.374724][ T10] __sys_sendmsg+0xcd/0x170 [ 502.374724][ T10] do_syscall_64+0xc6/0x1e0 [ 502.374724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.374724][ T10] [ 502.376398][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 502.376666][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 502.376666][ T10] netdev_get_by_index+0x5e/0x80 [ 502.376666][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.376666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.376666][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.376666][ T10] ipv6_add_addr+0x411/0x2000 [ 502.376666][ T10] inet6_addr_add+0x30e/0xa40 [ 502.376666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.376666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.376666][ T10] netlink_rcv_skb+0x130/0x360 [ 502.376666][ T10] netlink_unicast+0x449/0x710 [ 502.376666][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.376666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.376666][ T10] ___sys_sendmsg+0xee/0x170 [ 502.376666][ T10] __sys_sendmsg+0xcd/0x170 [ 502.376666][ T10] do_syscall_64+0xc6/0x1e0 [ 502.376666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.376666][ T10] [ 502.378607][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 502.378607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.378607][ T10] ipv6_find_idev+0x102/0x170 [ 502.378607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.378607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.378607][ T10] netlink_rcv_skb+0x130/0x360 [ 502.378607][ T10] netlink_unicast+0x449/0x710 [ 502.378607][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.378607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.378607][ T10] ___sys_sendmsg+0xee/0x170 [ 502.378607][ T10] __sys_sendmsg+0xcd/0x170 [ 502.378607][ T10] do_syscall_64+0xc6/0x1e0 [ 502.378607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.378607][ T10] [ 502.380094][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 502.380094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.380094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.380094][ T10] ipv6_find_idev+0x102/0x170 [ 502.380094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.380094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.380094][ T10] netlink_rcv_skb+0x130/0x360 [ 502.380094][ T10] netlink_unicast+0x449/0x710 [ 502.380094][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.380094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.380094][ T10] ___sys_sendmsg+0xee/0x170 [ 502.380094][ T10] __sys_sendmsg+0xcd/0x170 [ 502.380094][ T10] do_syscall_64+0xc6/0x1e0 [ 502.380094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.380094][ T10] [ 502.382183][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 502.382448][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 502.382448][ T10] netdev_get_by_index+0x5e/0x80 [ 502.382448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.382448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.382448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.382448][ T10] ipv6_add_addr+0x411/0x2000 [ 502.382448][ T10] inet6_addr_add+0x30e/0xa40 [ 502.382448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.382448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.382448][ T10] netlink_rcv_skb+0x130/0x360 [ 502.382448][ T10] netlink_unicast+0x449/0x710 [ 502.382448][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.382448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.382448][ T10] ___sys_sendmsg+0xee/0x170 [ 502.382448][ T10] __sys_sendmsg+0xcd/0x170 [ 502.382448][ T10] do_syscall_64+0xc6/0x1e0 [ 502.382448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.382448][ T10] [ 502.384390][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 502.384390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.384390][ T10] ipv6_find_idev+0x102/0x170 [ 502.384390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.384390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.384390][ T10] netlink_rcv_skb+0x130/0x360 [ 502.384390][ T10] netlink_unicast+0x449/0x710 [ 502.384390][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.384390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.384390][ T10] ___sys_sendmsg+0xee/0x170 [ 502.384390][ T10] __sys_sendmsg+0xcd/0x170 [ 502.384390][ T10] do_syscall_64+0xc6/0x1e0 [ 502.384390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.384390][ T10] [ 502.385904][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 502.385904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.385904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.385904][ T10] ipv6_find_idev+0x102/0x170 [ 502.385904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.385904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.385904][ T10] netlink_rcv_skb+0x130/0x360 [ 502.385904][ T10] netlink_unicast+0x449/0x710 [ 502.385904][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.385904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.385904][ T10] ___sys_sendmsg+0xee/0x170 [ 502.385904][ T10] __sys_sendmsg+0xcd/0x170 [ 502.385904][ T10] do_syscall_64+0xc6/0x1e0 [ 502.385904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.385904][ T10] [ 502.387609][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 502.387873][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 502.387873][ T10] netdev_get_by_index+0x5e/0x80 [ 502.387873][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.387873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.387873][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.387873][ T10] ipv6_add_addr+0x411/0x2000 [ 502.387873][ T10] inet6_addr_add+0x30e/0xa40 [ 502.387873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.387873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.387873][ T10] netlink_rcv_skb+0x130/0x360 [ 502.387873][ T10] netlink_unicast+0x449/0x710 [ 502.387873][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.387873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.387873][ T10] ___sys_sendmsg+0xee/0x170 [ 502.387873][ T10] __sys_sendmsg+0xcd/0x170 [ 502.387873][ T10] do_syscall_64+0xc6/0x1e0 [ 502.387873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.387873][ T10] [ 502.389826][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 502.389826][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.389826][ T10] ipv6_find_idev+0x102/0x170 [ 502.389826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.389826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.389826][ T10] netlink_rcv_skb+0x130/0x360 [ 502.389826][ T10] netlink_unicast+0x449/0x710 [ 502.389826][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.389826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.389826][ T10] ___sys_sendmsg+0xee/0x170 [ 502.389826][ T10] __sys_sendmsg+0xcd/0x170 [ 502.389826][ T10] do_syscall_64+0xc6/0x1e0 [ 502.389826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.389826][ T10] [ 502.391454][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 502.391454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.391454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.391454][ T10] ipv6_find_idev+0x102/0x170 [ 502.391454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.391454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.391454][ T10] netlink_rcv_skb+0x130/0x360 [ 502.391454][ T10] netlink_unicast+0x449/0x710 [ 502.391454][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.391454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.391454][ T10] ___sys_sendmsg+0xee/0x170 [ 502.391454][ T10] __sys_sendmsg+0xcd/0x170 [ 502.391454][ T10] do_syscall_64+0xc6/0x1e0 [ 502.391454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.391454][ T10] [ 502.393341][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 502.393601][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 502.393601][ T10] netdev_get_by_index+0x5e/0x80 [ 502.393601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.393601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.393601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.393601][ T10] ipv6_add_addr+0x411/0x2000 [ 502.393601][ T10] inet6_addr_add+0x30e/0xa40 [ 502.393601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.393601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.393601][ T10] netlink_rcv_skb+0x130/0x360 [ 502.393601][ T10] netlink_unicast+0x449/0x710 [ 502.393601][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.393601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.393601][ T10] ___sys_sendmsg+0xee/0x170 [ 502.393601][ T10] __sys_sendmsg+0xcd/0x170 [ 502.393601][ T10] do_syscall_64+0xc6/0x1e0 [ 502.393601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.393601][ T10] [ 502.395811][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 502.395811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.395811][ T10] ipv6_find_idev+0x102/0x170 [ 502.395811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.395811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.395811][ T10] netlink_rcv_skb+0x130/0x360 [ 502.395811][ T10] netlink_unicast+0x449/0x710 [ 502.395811][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.395811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.395811][ T10] ___sys_sendmsg+0xee/0x170 [ 502.395811][ T10] __sys_sendmsg+0xcd/0x170 [ 502.395811][ T10] do_syscall_64+0xc6/0x1e0 [ 502.395811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.395811][ T10] [ 502.397434][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 502.397434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.397434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.397434][ T10] ipv6_find_idev+0x102/0x170 [ 502.397434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.397434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.397434][ T10] netlink_rcv_skb+0x130/0x360 [ 502.397434][ T10] netlink_unicast+0x449/0x710 [ 502.397434][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.397434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.397434][ T10] ___sys_sendmsg+0xee/0x170 [ 502.397434][ T10] __sys_sendmsg+0xcd/0x170 [ 502.397434][ T10] do_syscall_64+0xc6/0x1e0 [ 502.397434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.397434][ T10] [ 502.399347][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 502.399610][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 502.399610][ T10] netdev_get_by_index+0x5e/0x80 [ 502.399610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.399610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.399610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.399610][ T10] ipv6_add_addr+0x411/0x2000 [ 502.399610][ T10] inet6_addr_add+0x30e/0xa40 [ 502.399610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.399610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.399610][ T10] netlink_rcv_skb+0x130/0x360 [ 502.399610][ T10] netlink_unicast+0x449/0x710 [ 502.399610][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.399610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.399610][ T10] ___sys_sendmsg+0xee/0x170 [ 502.399610][ T10] __sys_sendmsg+0xcd/0x170 [ 502.399610][ T10] do_syscall_64+0xc6/0x1e0 [ 502.399610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.399610][ T10] [ 502.401852][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 502.401852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.401852][ T10] ipv6_find_idev+0x102/0x170 [ 502.401852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.401852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.401852][ T10] netlink_rcv_skb+0x130/0x360 [ 502.401852][ T10] netlink_unicast+0x449/0x710 [ 502.401852][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.401852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.401852][ T10] ___sys_sendmsg+0xee/0x170 [ 502.401852][ T10] __sys_sendmsg+0xcd/0x170 [ 502.401852][ T10] do_syscall_64+0xc6/0x1e0 [ 502.401852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.401852][ T10] [ 502.403559][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 502.403559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.403559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.403559][ T10] ipv6_find_idev+0x102/0x170 [ 502.403559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.403559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.403559][ T10] netlink_rcv_skb+0x130/0x360 [ 502.403559][ T10] netlink_unicast+0x449/0x710 [ 502.403559][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.403559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.403559][ T10] ___sys_sendmsg+0xee/0x170 [ 502.403559][ T10] __sys_sendmsg+0xcd/0x170 [ 502.403559][ T10] do_syscall_64+0xc6/0x1e0 [ 502.403559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.403559][ T10] [ 512.504117][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 512.504463][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 512.504463][ T10] netdev_get_by_index+0x5e/0x80 [ 512.504463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.504463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.504463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.504463][ T10] ipv6_add_addr+0x411/0x2000 [ 512.504463][ T10] inet6_addr_add+0x30e/0xa40 [ 512.504463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.504463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.504463][ T10] netlink_rcv_skb+0x130/0x360 [ 512.504463][ T10] netlink_unicast+0x449/0x710 [ 512.504463][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.504463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.504463][ T10] ___sys_sendmsg+0xee/0x170 [ 512.504463][ T10] __sys_sendmsg+0xcd/0x170 [ 512.504463][ T10] do_syscall_64+0xc6/0x1e0 [ 512.504463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.504463][ T10] [ 512.506530][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 512.506530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.506530][ T10] ipv6_find_idev+0x102/0x170 [ 512.506530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.506530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.506530][ T10] netlink_rcv_skb+0x130/0x360 [ 512.506530][ T10] netlink_unicast+0x449/0x710 [ 512.506530][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.506530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.506530][ T10] ___sys_sendmsg+0xee/0x170 [ 512.506530][ T10] __sys_sendmsg+0xcd/0x170 [ 512.506530][ T10] do_syscall_64+0xc6/0x1e0 [ 512.506530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.506530][ T10] [ 512.508139][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 512.508139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.508139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.508139][ T10] ipv6_find_idev+0x102/0x170 [ 512.508139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.508139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.508139][ T10] netlink_rcv_skb+0x130/0x360 [ 512.508139][ T10] netlink_unicast+0x449/0x710 [ 512.508139][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.508139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.508139][ T10] ___sys_sendmsg+0xee/0x170 [ 512.508139][ T10] __sys_sendmsg+0xcd/0x170 [ 512.508139][ T10] do_syscall_64+0xc6/0x1e0 [ 512.508139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.508139][ T10] [ 512.509811][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 512.510102][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 512.510102][ T10] netdev_get_by_index+0x5e/0x80 [ 512.510102][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.510102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.510102][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.510102][ T10] ipv6_add_addr+0x411/0x2000 [ 512.510102][ T10] inet6_addr_add+0x30e/0xa40 [ 512.510102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.510102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.510102][ T10] netlink_rcv_skb+0x130/0x360 [ 512.510102][ T10] netlink_unicast+0x449/0x710 [ 512.510102][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.510102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.510102][ T10] ___sys_sendmsg+0xee/0x170 [ 512.510102][ T10] __sys_sendmsg+0xcd/0x170 [ 512.510102][ T10] do_syscall_64+0xc6/0x1e0 [ 512.510102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.510102][ T10] [ 512.512256][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 512.512256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.512256][ T10] ipv6_find_idev+0x102/0x170 [ 512.512256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.512256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.512256][ T10] netlink_rcv_skb+0x130/0x360 [ 512.512256][ T10] netlink_unicast+0x449/0x710 [ 512.512256][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.512256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.512256][ T10] ___sys_sendmsg+0xee/0x170 [ 512.512256][ T10] __sys_sendmsg+0xcd/0x170 [ 512.512256][ T10] do_syscall_64+0xc6/0x1e0 [ 512.512256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.512256][ T10] [ 512.513893][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 512.513893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.513893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.513893][ T10] ipv6_find_idev+0x102/0x170 [ 512.513893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.513893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.513893][ T10] netlink_rcv_skb+0x130/0x360 [ 512.513893][ T10] netlink_unicast+0x449/0x710 [ 512.513893][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.513893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.513893][ T10] ___sys_sendmsg+0xee/0x170 [ 512.513893][ T10] __sys_sendmsg+0xcd/0x170 [ 512.513893][ T10] do_syscall_64+0xc6/0x1e0 [ 512.513893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.513893][ T10] [ 512.515720][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 512.516008][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 512.516008][ T10] netdev_get_by_index+0x5e/0x80 [ 512.516008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.516008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.516008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.516008][ T10] ipv6_add_addr+0x411/0x2000 [ 512.516008][ T10] inet6_addr_add+0x30e/0xa40 [ 512.516008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.516008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.516008][ T10] netlink_rcv_skb+0x130/0x360 [ 512.516008][ T10] netlink_unicast+0x449/0x710 [ 512.516008][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.516008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.516008][ T10] ___sys_sendmsg+0xee/0x170 [ 512.516008][ T10] __sys_sendmsg+0xcd/0x170 [ 512.516008][ T10] do_syscall_64+0xc6/0x1e0 [ 512.516008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.516008][ T10] [ 512.518226][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 512.518226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.518226][ T10] ipv6_find_idev+0x102/0x170 [ 512.518226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.518226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.518226][ T10] netlink_rcv_skb+0x130/0x360 [ 512.518226][ T10] netlink_unicast+0x449/0x710 [ 512.518226][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.518226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.518226][ T10] ___sys_sendmsg+0xee/0x170 [ 512.518226][ T10] __sys_sendmsg+0xcd/0x170 [ 512.518226][ T10] do_syscall_64+0xc6/0x1e0 [ 512.518226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.518226][ T10] [ 512.519968][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 512.519968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.519968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.519968][ T10] ipv6_find_idev+0x102/0x170 [ 512.519968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.519968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.519968][ T10] netlink_rcv_skb+0x130/0x360 [ 512.519968][ T10] netlink_unicast+0x449/0x710 [ 512.519968][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.519968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.519968][ T10] ___sys_sendmsg+0xee/0x170 [ 512.519968][ T10] __sys_sendmsg+0xcd/0x170 [ 512.519968][ T10] do_syscall_64+0xc6/0x1e0 [ 512.519968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.519968][ T10] [ 512.521791][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 512.522076][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 512.522076][ T10] netdev_get_by_index+0x5e/0x80 [ 512.522076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.522076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.522076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.522076][ T10] ipv6_add_addr+0x411/0x2000 [ 512.522076][ T10] inet6_addr_add+0x30e/0xa40 [ 512.522076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.522076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.522076][ T10] netlink_rcv_skb+0x130/0x360 [ 512.522076][ T10] netlink_unicast+0x449/0x710 [ 512.522076][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.522076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.522076][ T10] ___sys_sendmsg+0xee/0x170 [ 512.522076][ T10] __sys_sendmsg+0xcd/0x170 [ 512.522076][ T10] do_syscall_64+0xc6/0x1e0 [ 512.522076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.522076][ T10] [ 512.524367][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 512.524367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.524367][ T10] ipv6_find_idev+0x102/0x170 [ 512.524367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.524367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.524367][ T10] netlink_rcv_skb+0x130/0x360 [ 512.524367][ T10] netlink_unicast+0x449/0x710 [ 512.524367][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.524367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.524367][ T10] ___sys_sendmsg+0xee/0x170 [ 512.524367][ T10] __sys_sendmsg+0xcd/0x170 [ 512.524367][ T10] do_syscall_64+0xc6/0x1e0 [ 512.524367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.524367][ T10] [ 512.526084][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 512.526084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.526084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.526084][ T10] ipv6_find_idev+0x102/0x170 [ 512.526084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.526084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.526084][ T10] netlink_rcv_skb+0x130/0x360 [ 512.526084][ T10] netlink_unicast+0x449/0x710 [ 512.526084][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.526084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.526084][ T10] ___sys_sendmsg+0xee/0x170 [ 512.526084][ T10] __sys_sendmsg+0xcd/0x170 [ 512.526084][ T10] do_syscall_64+0xc6/0x1e0 [ 512.526084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.526084][ T10] [ 512.528493][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 512.529137][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 512.529137][ T10] netdev_get_by_index+0x5e/0x80 [ 512.529137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.529137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.529137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.529137][ T10] ipv6_add_addr+0x411/0x2000 [ 512.529137][ T10] inet6_addr_add+0x30e/0xa40 [ 512.529137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.529137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.529137][ T10] netlink_rcv_skb+0x130/0x360 [ 512.529137][ T10] netlink_unicast+0x449/0x710 [ 512.529137][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.529137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.529137][ T10] ___sys_sendmsg+0xee/0x170 [ 512.529137][ T10] __sys_sendmsg+0xcd/0x170 [ 512.529137][ T10] do_syscall_64+0xc6/0x1e0 [ 512.529137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.529137][ T10] [ 512.531186][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 512.531186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.531186][ T10] ipv6_find_idev+0x102/0x170 [ 512.531186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.531186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.531186][ T10] netlink_rcv_skb+0x130/0x360 [ 512.531186][ T10] netlink_unicast+0x449/0x710 [ 512.531186][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.531186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.531186][ T10] ___sys_sendmsg+0xee/0x170 [ 512.531186][ T10] __sys_sendmsg+0xcd/0x170 [ 512.531186][ T10] do_syscall_64+0xc6/0x1e0 [ 512.531186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.531186][ T10] [ 512.532825][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 512.532825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.532825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.532825][ T10] ipv6_find_idev+0x102/0x170 [ 512.532825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.532825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.532825][ T10] netlink_rcv_skb+0x130/0x360 [ 512.532825][ T10] netlink_unicast+0x449/0x710 [ 512.532825][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.532825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.532825][ T10] ___sys_sendmsg+0xee/0x170 [ 512.532825][ T10] __sys_sendmsg+0xcd/0x170 [ 512.532825][ T10] do_syscall_64+0xc6/0x1e0 [ 512.532825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.532825][ T10] [ 512.534915][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 512.535282][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 512.535282][ T10] netdev_get_by_index+0x5e/0x80 [ 512.535282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.535282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.535282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.535282][ T10] ipv6_add_addr+0x411/0x2000 [ 512.535282][ T10] inet6_addr_add+0x30e/0xa40 [ 512.535282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.535282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.535282][ T10] netlink_rcv_skb+0x130/0x360 [ 512.535282][ T10] netlink_unicast+0x449/0x710 [ 512.535282][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.535282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.535282][ T10] ___sys_sendmsg+0xee/0x170 [ 512.535282][ T10] __sys_sendmsg+0xcd/0x170 [ 512.535282][ T10] do_syscall_64+0xc6/0x1e0 [ 512.535282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.535282][ T10] [ 512.537434][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 512.537434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.537434][ T10] ipv6_find_idev+0x102/0x170 [ 512.537434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.537434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.537434][ T10] netlink_rcv_skb+0x130/0x360 [ 512.537434][ T10] netlink_unicast+0x449/0x710 [ 512.537434][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.537434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.537434][ T10] ___sys_sendmsg+0xee/0x170 [ 512.537434][ T10] __sys_sendmsg+0xcd/0x170 [ 512.537434][ T10] do_syscall_64+0xc6/0x1e0 [ 512.537434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.537434][ T10] [ 512.539089][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 512.539089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.539089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.539089][ T10] ipv6_find_idev+0x102/0x170 [ 512.539089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.539089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.539089][ T10] netlink_rcv_skb+0x130/0x360 [ 512.539089][ T10] netlink_unicast+0x449/0x710 [ 512.539089][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.539089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.539089][ T10] ___sys_sendmsg+0xee/0x170 [ 512.539089][ T10] __sys_sendmsg+0xcd/0x170 [ 512.539089][ T10] do_syscall_64+0xc6/0x1e0 [ 512.539089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.539089][ T10] [ 512.541031][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 512.541381][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 512.541381][ T10] netdev_get_by_index+0x5e/0x80 [ 512.541381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.541381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.541381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.541381][ T10] ipv6_add_addr+0x411/0x2000 [ 512.541381][ T10] inet6_addr_add+0x30e/0xa40 [ 512.541381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.541381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.541381][ T10] netlink_rcv_skb+0x130/0x360 [ 512.541381][ T10] netlink_unicast+0x449/0x710 [ 512.541381][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.541381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.541381][ T10] ___sys_sendmsg+0xee/0x170 [ 512.541381][ T10] __sys_sendmsg+0xcd/0x170 [ 512.541381][ T10] do_syscall_64+0xc6/0x1e0 [ 512.541381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.541381][ T10] [ 512.543734][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 512.543734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.543734][ T10] ipv6_find_idev+0x102/0x170 [ 512.543734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.543734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.543734][ T10] netlink_rcv_skb+0x130/0x360 [ 512.543734][ T10] netlink_unicast+0x449/0x710 [ 512.543734][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.543734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.543734][ T10] ___sys_sendmsg+0xee/0x170 [ 512.543734][ T10] __sys_sendmsg+0xcd/0x170 [ 512.543734][ T10] do_syscall_64+0xc6/0x1e0 [ 512.543734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.543734][ T10] [ 512.545412][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 512.545412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.545412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.545412][ T10] ipv6_find_idev+0x102/0x170 [ 512.545412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.545412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.545412][ T10] netlink_rcv_skb+0x130/0x360 [ 512.545412][ T10] netlink_unicast+0x449/0x710 [ 512.545412][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.545412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.545412][ T10] ___sys_sendmsg+0xee/0x170 [ 512.545412][ T10] __sys_sendmsg+0xcd/0x170 [ 512.545412][ T10] do_syscall_64+0xc6/0x1e0 [ 512.545412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.545412][ T10] [ 512.547432][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 512.547826][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 512.547826][ T10] netdev_get_by_index+0x5e/0x80 [ 512.547826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.547826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.547826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.547826][ T10] ipv6_add_addr+0x411/0x2000 [ 512.547826][ T10] inet6_addr_add+0x30e/0xa40 [ 512.547826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.547826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.547826][ T10] netlink_rcv_skb+0x130/0x360 [ 512.547826][ T10] netlink_unicast+0x449/0x710 [ 512.547826][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.547826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.547826][ T10] ___sys_sendmsg+0xee/0x170 [ 512.547826][ T10] __sys_sendmsg+0xcd/0x170 [ 512.547826][ T10] do_syscall_64+0xc6/0x1e0 [ 512.547826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.547826][ T10] [ 512.550014][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 512.550014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.550014][ T10] ipv6_find_idev+0x102/0x170 [ 512.550014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.550014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.550014][ T10] netlink_rcv_skb+0x130/0x360 [ 512.550014][ T10] netlink_unicast+0x449/0x710 [ 512.550014][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.550014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.550014][ T10] ___sys_sendmsg+0xee/0x170 [ 512.550014][ T10] __sys_sendmsg+0xcd/0x170 [ 512.550014][ T10] do_syscall_64+0xc6/0x1e0 [ 512.550014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.550014][ T10] [ 512.551752][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 512.551752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.551752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.551752][ T10] ipv6_find_idev+0x102/0x170 [ 512.551752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.551752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.551752][ T10] netlink_rcv_skb+0x130/0x360 [ 512.551752][ T10] netlink_unicast+0x449/0x710 [ 512.551752][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.551752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.551752][ T10] ___sys_sendmsg+0xee/0x170 [ 512.551752][ T10] __sys_sendmsg+0xcd/0x170 [ 512.551752][ T10] do_syscall_64+0xc6/0x1e0 [ 512.551752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.551752][ T10] [ 522.697125][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 522.697444][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 522.697444][ T10] netdev_get_by_index+0x5e/0x80 [ 522.697444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.697444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.697444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.697444][ T10] ipv6_add_addr+0x411/0x2000 [ 522.697444][ T10] inet6_addr_add+0x30e/0xa40 [ 522.697444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.697444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.697444][ T10] netlink_rcv_skb+0x130/0x360 [ 522.697444][ T10] netlink_unicast+0x449/0x710 [ 522.697444][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.697444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.697444][ T10] ___sys_sendmsg+0xee/0x170 [ 522.697444][ T10] __sys_sendmsg+0xcd/0x170 [ 522.697444][ T10] do_syscall_64+0xc6/0x1e0 [ 522.697444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.697444][ T10] [ 522.699448][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 522.699448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.699448][ T10] ipv6_find_idev+0x102/0x170 [ 522.699448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.699448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.699448][ T10] netlink_rcv_skb+0x130/0x360 [ 522.699448][ T10] netlink_unicast+0x449/0x710 [ 522.699448][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.699448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.699448][ T10] ___sys_sendmsg+0xee/0x170 [ 522.699448][ T10] __sys_sendmsg+0xcd/0x170 [ 522.699448][ T10] do_syscall_64+0xc6/0x1e0 [ 522.699448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.699448][ T10] [ 522.700965][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 522.700965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.700965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.700965][ T10] ipv6_find_idev+0x102/0x170 [ 522.700965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.700965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.700965][ T10] netlink_rcv_skb+0x130/0x360 [ 522.700965][ T10] netlink_unicast+0x449/0x710 [ 522.700965][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.700965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.700965][ T10] ___sys_sendmsg+0xee/0x170 [ 522.700965][ T10] __sys_sendmsg+0xcd/0x170 [ 522.700965][ T10] do_syscall_64+0xc6/0x1e0 [ 522.700965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.700965][ T10] [ 522.702687][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 522.702952][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 522.702952][ T10] netdev_get_by_index+0x5e/0x80 [ 522.702952][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.702952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.702952][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.702952][ T10] ipv6_add_addr+0x411/0x2000 [ 522.702952][ T10] inet6_addr_add+0x30e/0xa40 [ 522.702952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.702952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.702952][ T10] netlink_rcv_skb+0x130/0x360 [ 522.702952][ T10] netlink_unicast+0x449/0x710 [ 522.702952][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.702952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.702952][ T10] ___sys_sendmsg+0xee/0x170 [ 522.702952][ T10] __sys_sendmsg+0xcd/0x170 [ 522.702952][ T10] do_syscall_64+0xc6/0x1e0 [ 522.702952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.702952][ T10] [ 522.704970][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 522.704970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.704970][ T10] ipv6_find_idev+0x102/0x170 [ 522.704970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.704970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.704970][ T10] netlink_rcv_skb+0x130/0x360 [ 522.704970][ T10] netlink_unicast+0x449/0x710 [ 522.704970][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.704970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.704970][ T10] ___sys_sendmsg+0xee/0x170 [ 522.704970][ T10] __sys_sendmsg+0xcd/0x170 [ 522.704970][ T10] do_syscall_64+0xc6/0x1e0 [ 522.704970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.704970][ T10] [ 522.706500][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 522.706500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.706500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.706500][ T10] ipv6_find_idev+0x102/0x170 [ 522.706500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.706500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.706500][ T10] netlink_rcv_skb+0x130/0x360 [ 522.706500][ T10] netlink_unicast+0x449/0x710 [ 522.706500][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.706500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.706500][ T10] ___sys_sendmsg+0xee/0x170 [ 522.706500][ T10] __sys_sendmsg+0xcd/0x170 [ 522.706500][ T10] do_syscall_64+0xc6/0x1e0 [ 522.706500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.706500][ T10] [ 522.708172][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 522.708472][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 522.708472][ T10] netdev_get_by_index+0x5e/0x80 [ 522.708472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.708472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.708472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.708472][ T10] ipv6_add_addr+0x411/0x2000 [ 522.708472][ T10] inet6_addr_add+0x30e/0xa40 [ 522.708472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.708472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.708472][ T10] netlink_rcv_skb+0x130/0x360 [ 522.708472][ T10] netlink_unicast+0x449/0x710 [ 522.708472][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.708472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.708472][ T10] ___sys_sendmsg+0xee/0x170 [ 522.708472][ T10] __sys_sendmsg+0xcd/0x170 [ 522.708472][ T10] do_syscall_64+0xc6/0x1e0 [ 522.708472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.708472][ T10] [ 522.710444][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 522.710444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.710444][ T10] ipv6_find_idev+0x102/0x170 [ 522.710444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.710444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.710444][ T10] netlink_rcv_skb+0x130/0x360 [ 522.710444][ T10] netlink_unicast+0x449/0x710 [ 522.710444][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.710444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.710444][ T10] ___sys_sendmsg+0xee/0x170 [ 522.710444][ T10] __sys_sendmsg+0xcd/0x170 [ 522.710444][ T10] do_syscall_64+0xc6/0x1e0 [ 522.710444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.710444][ T10] [ 522.711987][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 522.711987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.711987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.711987][ T10] ipv6_find_idev+0x102/0x170 [ 522.711987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.711987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.711987][ T10] netlink_rcv_skb+0x130/0x360 [ 522.711987][ T10] netlink_unicast+0x449/0x710 [ 522.711987][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.711987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.711987][ T10] ___sys_sendmsg+0xee/0x170 [ 522.711987][ T10] __sys_sendmsg+0xcd/0x170 [ 522.711987][ T10] do_syscall_64+0xc6/0x1e0 [ 522.711987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.711987][ T10] [ 522.713668][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 522.713939][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 522.713939][ T10] netdev_get_by_index+0x5e/0x80 [ 522.713939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.713939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.713939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.713939][ T10] ipv6_add_addr+0x411/0x2000 [ 522.713939][ T10] inet6_addr_add+0x30e/0xa40 [ 522.713939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.713939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.713939][ T10] netlink_rcv_skb+0x130/0x360 [ 522.713939][ T10] netlink_unicast+0x449/0x710 [ 522.713939][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.713939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.713939][ T10] ___sys_sendmsg+0xee/0x170 [ 522.713939][ T10] __sys_sendmsg+0xcd/0x170 [ 522.713939][ T10] do_syscall_64+0xc6/0x1e0 [ 522.713939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.713939][ T10] [ 522.715953][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 522.715953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.715953][ T10] ipv6_find_idev+0x102/0x170 [ 522.715953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.715953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.715953][ T10] netlink_rcv_skb+0x130/0x360 [ 522.715953][ T10] netlink_unicast+0x449/0x710 [ 522.715953][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.715953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.715953][ T10] ___sys_sendmsg+0xee/0x170 [ 522.715953][ T10] __sys_sendmsg+0xcd/0x170 [ 522.715953][ T10] do_syscall_64+0xc6/0x1e0 [ 522.715953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.715953][ T10] [ 522.717549][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 522.717549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.717549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.717549][ T10] ipv6_find_idev+0x102/0x170 [ 522.717549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.717549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.717549][ T10] netlink_rcv_skb+0x130/0x360 [ 522.717549][ T10] netlink_unicast+0x449/0x710 [ 522.717549][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.717549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.717549][ T10] ___sys_sendmsg+0xee/0x170 [ 522.717549][ T10] __sys_sendmsg+0xcd/0x170 [ 522.717549][ T10] do_syscall_64+0xc6/0x1e0 [ 522.717549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.717549][ T10] [ 522.719774][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 522.720025][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 522.720025][ T10] netdev_get_by_index+0x5e/0x80 [ 522.720025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.720025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.720025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.720025][ T10] ipv6_add_addr+0x411/0x2000 [ 522.720025][ T10] inet6_addr_add+0x30e/0xa40 [ 522.720025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.720025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.720025][ T10] netlink_rcv_skb+0x130/0x360 [ 522.720025][ T10] netlink_unicast+0x449/0x710 [ 522.720025][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.720025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.720025][ T10] ___sys_sendmsg+0xee/0x170 [ 522.720025][ T10] __sys_sendmsg+0xcd/0x170 [ 522.720025][ T10] do_syscall_64+0xc6/0x1e0 [ 522.720025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.720025][ T10] [ 522.722014][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 522.722014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.722014][ T10] ipv6_find_idev+0x102/0x170 [ 522.722014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.722014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.722014][ T10] netlink_rcv_skb+0x130/0x360 [ 522.722014][ T10] netlink_unicast+0x449/0x710 [ 522.722014][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.722014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.722014][ T10] ___sys_sendmsg+0xee/0x170 [ 522.722014][ T10] __sys_sendmsg+0xcd/0x170 [ 522.722014][ T10] do_syscall_64+0xc6/0x1e0 [ 522.722014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.722014][ T10] [ 522.723621][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 522.723621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.723621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.723621][ T10] ipv6_find_idev+0x102/0x170 [ 522.723621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.723621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.723621][ T10] netlink_rcv_skb+0x130/0x360 [ 522.723621][ T10] netlink_unicast+0x449/0x710 [ 522.723621][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.723621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.723621][ T10] ___sys_sendmsg+0xee/0x170 [ 522.723621][ T10] __sys_sendmsg+0xcd/0x170 [ 522.723621][ T10] do_syscall_64+0xc6/0x1e0 [ 522.723621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.723621][ T10] [ 522.725453][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 522.725714][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 522.725714][ T10] netdev_get_by_index+0x5e/0x80 [ 522.725714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.725714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.725714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.725714][ T10] ipv6_add_addr+0x411/0x2000 [ 522.725714][ T10] inet6_addr_add+0x30e/0xa40 [ 522.725714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.725714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.725714][ T10] netlink_rcv_skb+0x130/0x360 [ 522.725714][ T10] netlink_unicast+0x449/0x710 [ 522.725714][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.725714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.725714][ T10] ___sys_sendmsg+0xee/0x170 [ 522.725714][ T10] __sys_sendmsg+0xcd/0x170 [ 522.725714][ T10] do_syscall_64+0xc6/0x1e0 [ 522.725714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.725714][ T10] [ 522.727778][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 522.727778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.727778][ T10] ipv6_find_idev+0x102/0x170 [ 522.727778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.727778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.727778][ T10] netlink_rcv_skb+0x130/0x360 [ 522.727778][ T10] netlink_unicast+0x449/0x710 [ 522.727778][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.727778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.727778][ T10] ___sys_sendmsg+0xee/0x170 [ 522.727778][ T10] __sys_sendmsg+0xcd/0x170 [ 522.727778][ T10] do_syscall_64+0xc6/0x1e0 [ 522.727778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.727778][ T10] [ 522.729492][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 522.729492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.729492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.729492][ T10] ipv6_find_idev+0x102/0x170 [ 522.729492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.729492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.729492][ T10] netlink_rcv_skb+0x130/0x360 [ 522.729492][ T10] netlink_unicast+0x449/0x710 [ 522.729492][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.729492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.729492][ T10] ___sys_sendmsg+0xee/0x170 [ 522.729492][ T10] __sys_sendmsg+0xcd/0x170 [ 522.729492][ T10] do_syscall_64+0xc6/0x1e0 [ 522.729492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.729492][ T10] [ 522.731399][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 522.731730][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 522.731730][ T10] netdev_get_by_index+0x5e/0x80 [ 522.731730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.731730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.731730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.731730][ T10] ipv6_add_addr+0x411/0x2000 [ 522.731730][ T10] inet6_addr_add+0x30e/0xa40 [ 522.731730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.731730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.731730][ T10] netlink_rcv_skb+0x130/0x360 [ 522.731730][ T10] netlink_unicast+0x449/0x710 [ 522.731730][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.731730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.731730][ T10] ___sys_sendmsg+0xee/0x170 [ 522.731730][ T10] __sys_sendmsg+0xcd/0x170 [ 522.731730][ T10] do_syscall_64+0xc6/0x1e0 [ 522.731730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.731730][ T10] [ 522.733956][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 522.733956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.733956][ T10] ipv6_find_idev+0x102/0x170 [ 522.733956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.733956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.733956][ T10] netlink_rcv_skb+0x130/0x360 [ 522.733956][ T10] netlink_unicast+0x449/0x710 [ 522.733956][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.733956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.733956][ T10] ___sys_sendmsg+0xee/0x170 [ 522.733956][ T10] __sys_sendmsg+0xcd/0x170 [ 522.733956][ T10] do_syscall_64+0xc6/0x1e0 [ 522.733956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.733956][ T10] [ 522.735669][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 522.735669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.735669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.735669][ T10] ipv6_find_idev+0x102/0x170 [ 522.735669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.735669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.735669][ T10] netlink_rcv_skb+0x130/0x360 [ 522.735669][ T10] netlink_unicast+0x449/0x710 [ 522.735669][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.735669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.735669][ T10] ___sys_sendmsg+0xee/0x170 [ 522.735669][ T10] __sys_sendmsg+0xcd/0x170 [ 522.735669][ T10] do_syscall_64+0xc6/0x1e0 [ 522.735669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.735669][ T10] [ 522.737513][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 522.737776][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 522.737776][ T10] netdev_get_by_index+0x5e/0x80 [ 522.737776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 522.737776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 522.737776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 522.737776][ T10] ipv6_add_addr+0x411/0x2000 [ 522.737776][ T10] inet6_addr_add+0x30e/0xa40 [ 522.737776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 522.737776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.737776][ T10] netlink_rcv_skb+0x130/0x360 [ 522.737776][ T10] netlink_unicast+0x449/0x710 [ 522.737776][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.737776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.737776][ T10] ___sys_sendmsg+0xee/0x170 [ 522.737776][ T10] __sys_sendmsg+0xcd/0x170 [ 522.737776][ T10] do_syscall_64+0xc6/0x1e0 [ 522.737776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.737776][ T10] [ 522.739994][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 522.739994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 522.739994][ T10] ipv6_find_idev+0x102/0x170 [ 522.739994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.739994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.739994][ T10] netlink_rcv_skb+0x130/0x360 [ 522.739994][ T10] netlink_unicast+0x449/0x710 [ 522.739994][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.739994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.739994][ T10] ___sys_sendmsg+0xee/0x170 [ 522.739994][ T10] __sys_sendmsg+0xcd/0x170 [ 522.739994][ T10] do_syscall_64+0xc6/0x1e0 [ 522.739994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.739994][ T10] [ 522.741743][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 522.741743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 522.741743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 522.741743][ T10] ipv6_find_idev+0x102/0x170 [ 522.741743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.741743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.741743][ T10] netlink_rcv_skb+0x130/0x360 [ 522.741743][ T10] netlink_unicast+0x449/0x710 [ 522.741743][ T10] netlink_sendmsg+0x723/0xbe0 [ 522.741743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 522.741743][ T10] ___sys_sendmsg+0xee/0x170 [ 522.741743][ T10] __sys_sendmsg+0xcd/0x170 [ 522.741743][ T10] do_syscall_64+0xc6/0x1e0 [ 522.741743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.741743][ T10]