[ 654.697305][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 654.697634][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 654.697634][ T10] netdev_get_by_index+0x5e/0x80 [ 654.697634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.697634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.697634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.697634][ T10] ipv6_add_addr+0x411/0x2000 [ 654.697634][ T10] inet6_addr_add+0x30e/0xa40 [ 654.697634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.697634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.697634][ T10] netlink_rcv_skb+0x130/0x360 [ 654.697634][ T10] netlink_unicast+0x449/0x710 [ 654.697634][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.697634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.697634][ T10] ___sys_sendmsg+0xee/0x170 [ 654.697634][ T10] __sys_sendmsg+0xcd/0x170 [ 654.697634][ T10] do_syscall_64+0xc6/0x1e0 [ 654.697634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.697634][ T10] [ 654.699627][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 654.699627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.699627][ T10] ipv6_find_idev+0x102/0x170 [ 654.699627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.699627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.699627][ T10] netlink_rcv_skb+0x130/0x360 [ 654.699627][ T10] netlink_unicast+0x449/0x710 [ 654.699627][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.699627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.699627][ T10] ___sys_sendmsg+0xee/0x170 [ 654.699627][ T10] __sys_sendmsg+0xcd/0x170 [ 654.699627][ T10] do_syscall_64+0xc6/0x1e0 [ 654.699627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.699627][ T10] [ 654.701189][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 654.701189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.701189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.701189][ T10] ipv6_find_idev+0x102/0x170 [ 654.701189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.701189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.701189][ T10] netlink_rcv_skb+0x130/0x360 [ 654.701189][ T10] netlink_unicast+0x449/0x710 [ 654.701189][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.701189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.701189][ T10] ___sys_sendmsg+0xee/0x170 [ 654.701189][ T10] __sys_sendmsg+0xcd/0x170 [ 654.701189][ T10] do_syscall_64+0xc6/0x1e0 [ 654.701189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.701189][ T10] [ 654.703510][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 654.703784][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 654.703784][ T10] netdev_get_by_index+0x5e/0x80 [ 654.703784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.703784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.703784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.703784][ T10] ipv6_add_addr+0x411/0x2000 [ 654.703784][ T10] inet6_addr_add+0x30e/0xa40 [ 654.703784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.703784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.703784][ T10] netlink_rcv_skb+0x130/0x360 [ 654.703784][ T10] netlink_unicast+0x449/0x710 [ 654.703784][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.703784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.703784][ T10] ___sys_sendmsg+0xee/0x170 [ 654.703784][ T10] __sys_sendmsg+0xcd/0x170 [ 654.703784][ T10] do_syscall_64+0xc6/0x1e0 [ 654.703784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.703784][ T10] [ 654.705758][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 654.705758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.705758][ T10] ipv6_find_idev+0x102/0x170 [ 654.705758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.705758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.705758][ T10] netlink_rcv_skb+0x130/0x360 [ 654.705758][ T10] netlink_unicast+0x449/0x710 [ 654.705758][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.705758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.705758][ T10] ___sys_sendmsg+0xee/0x170 [ 654.705758][ T10] __sys_sendmsg+0xcd/0x170 [ 654.705758][ T10] do_syscall_64+0xc6/0x1e0 [ 654.705758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.705758][ T10] [ 654.707289][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 654.707289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.707289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.707289][ T10] ipv6_find_idev+0x102/0x170 [ 654.707289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.707289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.707289][ T10] netlink_rcv_skb+0x130/0x360 [ 654.707289][ T10] netlink_unicast+0x449/0x710 [ 654.707289][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.707289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.707289][ T10] ___sys_sendmsg+0xee/0x170 [ 654.707289][ T10] __sys_sendmsg+0xcd/0x170 [ 654.707289][ T10] do_syscall_64+0xc6/0x1e0 [ 654.707289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.707289][ T10] [ 654.709115][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 654.709445][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 654.709445][ T10] netdev_get_by_index+0x5e/0x80 [ 654.709445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.709445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.709445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.709445][ T10] ipv6_add_addr+0x411/0x2000 [ 654.709445][ T10] inet6_addr_add+0x30e/0xa40 [ 654.709445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.709445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.709445][ T10] netlink_rcv_skb+0x130/0x360 [ 654.709445][ T10] netlink_unicast+0x449/0x710 [ 654.709445][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.709445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.709445][ T10] ___sys_sendmsg+0xee/0x170 [ 654.709445][ T10] __sys_sendmsg+0xcd/0x170 [ 654.709445][ T10] do_syscall_64+0xc6/0x1e0 [ 654.709445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.709445][ T10] [ 654.711660][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 654.711660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.711660][ T10] ipv6_find_idev+0x102/0x170 [ 654.711660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.711660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.711660][ T10] netlink_rcv_skb+0x130/0x360 [ 654.711660][ T10] netlink_unicast+0x449/0x710 [ 654.711660][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.711660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.711660][ T10] ___sys_sendmsg+0xee/0x170 [ 654.711660][ T10] __sys_sendmsg+0xcd/0x170 [ 654.711660][ T10] do_syscall_64+0xc6/0x1e0 [ 654.711660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.711660][ T10] [ 654.713471][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 654.713471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.713471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.713471][ T10] ipv6_find_idev+0x102/0x170 [ 654.713471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.713471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.713471][ T10] netlink_rcv_skb+0x130/0x360 [ 654.713471][ T10] netlink_unicast+0x449/0x710 [ 654.713471][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.713471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.713471][ T10] ___sys_sendmsg+0xee/0x170 [ 654.713471][ T10] __sys_sendmsg+0xcd/0x170 [ 654.713471][ T10] do_syscall_64+0xc6/0x1e0 [ 654.713471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.713471][ T10] [ 654.715861][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 654.716381][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 654.716381][ T10] netdev_get_by_index+0x5e/0x80 [ 654.716381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.716381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.716381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.716381][ T10] ipv6_add_addr+0x411/0x2000 [ 654.716381][ T10] inet6_addr_add+0x30e/0xa40 [ 654.716381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.716381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.716381][ T10] netlink_rcv_skb+0x130/0x360 [ 654.716381][ T10] netlink_unicast+0x449/0x710 [ 654.716381][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.716381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.716381][ T10] ___sys_sendmsg+0xee/0x170 [ 654.716381][ T10] __sys_sendmsg+0xcd/0x170 [ 654.716381][ T10] do_syscall_64+0xc6/0x1e0 [ 654.716381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.716381][ T10] [ 654.718389][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 654.718389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.718389][ T10] ipv6_find_idev+0x102/0x170 [ 654.718389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.718389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.718389][ T10] netlink_rcv_skb+0x130/0x360 [ 654.718389][ T10] netlink_unicast+0x449/0x710 [ 654.718389][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.718389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.718389][ T10] ___sys_sendmsg+0xee/0x170 [ 654.718389][ T10] __sys_sendmsg+0xcd/0x170 [ 654.718389][ T10] do_syscall_64+0xc6/0x1e0 [ 654.718389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.718389][ T10] [ 654.720065][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 654.720065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.720065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.720065][ T10] ipv6_find_idev+0x102/0x170 [ 654.720065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.720065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.720065][ T10] netlink_rcv_skb+0x130/0x360 [ 654.720065][ T10] netlink_unicast+0x449/0x710 [ 654.720065][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.720065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.720065][ T10] ___sys_sendmsg+0xee/0x170 [ 654.720065][ T10] __sys_sendmsg+0xcd/0x170 [ 654.720065][ T10] do_syscall_64+0xc6/0x1e0 [ 654.720065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.720065][ T10] [ 654.721861][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 654.722238][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 654.722238][ T10] netdev_get_by_index+0x5e/0x80 [ 654.722238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.722238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.722238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.722238][ T10] ipv6_add_addr+0x411/0x2000 [ 654.722238][ T10] inet6_addr_add+0x30e/0xa40 [ 654.722238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.722238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.722238][ T10] netlink_rcv_skb+0x130/0x360 [ 654.722238][ T10] netlink_unicast+0x449/0x710 [ 654.722238][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.722238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.722238][ T10] ___sys_sendmsg+0xee/0x170 [ 654.722238][ T10] __sys_sendmsg+0xcd/0x170 [ 654.722238][ T10] do_syscall_64+0xc6/0x1e0 [ 654.722238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.722238][ T10] [ 654.724421][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 654.724421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.724421][ T10] ipv6_find_idev+0x102/0x170 [ 654.724421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.724421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.724421][ T10] netlink_rcv_skb+0x130/0x360 [ 654.724421][ T10] netlink_unicast+0x449/0x710 [ 654.724421][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.724421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.724421][ T10] ___sys_sendmsg+0xee/0x170 [ 654.724421][ T10] __sys_sendmsg+0xcd/0x170 [ 654.724421][ T10] do_syscall_64+0xc6/0x1e0 [ 654.724421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.724421][ T10] [ 654.725951][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 654.725951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.725951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.725951][ T10] ipv6_find_idev+0x102/0x170 [ 654.725951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.725951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.725951][ T10] netlink_rcv_skb+0x130/0x360 [ 654.725951][ T10] netlink_unicast+0x449/0x710 [ 654.725951][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.725951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.725951][ T10] ___sys_sendmsg+0xee/0x170 [ 654.725951][ T10] __sys_sendmsg+0xcd/0x170 [ 654.725951][ T10] do_syscall_64+0xc6/0x1e0 [ 654.725951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.725951][ T10] [ 654.727835][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 654.728170][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 654.728170][ T10] netdev_get_by_index+0x5e/0x80 [ 654.728170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.728170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.728170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.728170][ T10] ipv6_add_addr+0x411/0x2000 [ 654.728170][ T10] inet6_addr_add+0x30e/0xa40 [ 654.728170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.728170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.728170][ T10] netlink_rcv_skb+0x130/0x360 [ 654.728170][ T10] netlink_unicast+0x449/0x710 [ 654.728170][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.728170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.728170][ T10] ___sys_sendmsg+0xee/0x170 [ 654.728170][ T10] __sys_sendmsg+0xcd/0x170 [ 654.728170][ T10] do_syscall_64+0xc6/0x1e0 [ 654.728170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.728170][ T10] [ 654.730224][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 654.730224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.730224][ T10] ipv6_find_idev+0x102/0x170 [ 654.730224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.730224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.730224][ T10] netlink_rcv_skb+0x130/0x360 [ 654.730224][ T10] netlink_unicast+0x449/0x710 [ 654.730224][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.730224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.730224][ T10] ___sys_sendmsg+0xee/0x170 [ 654.730224][ T10] __sys_sendmsg+0xcd/0x170 [ 654.730224][ T10] do_syscall_64+0xc6/0x1e0 [ 654.730224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.730224][ T10] [ 654.731966][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 654.731966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.731966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.731966][ T10] ipv6_find_idev+0x102/0x170 [ 654.731966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.731966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.731966][ T10] netlink_rcv_skb+0x130/0x360 [ 654.731966][ T10] netlink_unicast+0x449/0x710 [ 654.731966][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.731966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.731966][ T10] ___sys_sendmsg+0xee/0x170 [ 654.731966][ T10] __sys_sendmsg+0xcd/0x170 [ 654.731966][ T10] do_syscall_64+0xc6/0x1e0 [ 654.731966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.731966][ T10] [ 654.733900][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 654.734234][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 654.734234][ T10] netdev_get_by_index+0x5e/0x80 [ 654.734234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.734234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.734234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.734234][ T10] ipv6_add_addr+0x411/0x2000 [ 654.734234][ T10] inet6_addr_add+0x30e/0xa40 [ 654.734234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.734234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.734234][ T10] netlink_rcv_skb+0x130/0x360 [ 654.734234][ T10] netlink_unicast+0x449/0x710 [ 654.734234][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.734234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.734234][ T10] ___sys_sendmsg+0xee/0x170 [ 654.734234][ T10] __sys_sendmsg+0xcd/0x170 [ 654.734234][ T10] do_syscall_64+0xc6/0x1e0 [ 654.734234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.734234][ T10] [ 654.736226][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 654.736226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.736226][ T10] ipv6_find_idev+0x102/0x170 [ 654.736226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.736226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.736226][ T10] netlink_rcv_skb+0x130/0x360 [ 654.736226][ T10] netlink_unicast+0x449/0x710 [ 654.736226][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.736226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.736226][ T10] ___sys_sendmsg+0xee/0x170 [ 654.736226][ T10] __sys_sendmsg+0xcd/0x170 [ 654.736226][ T10] do_syscall_64+0xc6/0x1e0 [ 654.736226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.736226][ T10] [ 654.737753][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 654.737753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.737753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.737753][ T10] ipv6_find_idev+0x102/0x170 [ 654.737753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.737753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.737753][ T10] netlink_rcv_skb+0x130/0x360 [ 654.737753][ T10] netlink_unicast+0x449/0x710 [ 654.737753][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.737753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.737753][ T10] ___sys_sendmsg+0xee/0x170 [ 654.737753][ T10] __sys_sendmsg+0xcd/0x170 [ 654.737753][ T10] do_syscall_64+0xc6/0x1e0 [ 654.737753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.737753][ T10] [ 654.739565][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 654.739891][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 654.739891][ T10] netdev_get_by_index+0x5e/0x80 [ 654.739891][ T10] fib6_nh_init+0x3d8/0x15b0 [ 654.739891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 654.739891][ T10] addrconf_f6i_alloc+0x244/0x410 [ 654.739891][ T10] ipv6_add_addr+0x411/0x2000 [ 654.739891][ T10] inet6_addr_add+0x30e/0xa40 [ 654.739891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 654.739891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.739891][ T10] netlink_rcv_skb+0x130/0x360 [ 654.739891][ T10] netlink_unicast+0x449/0x710 [ 654.739891][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.739891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.739891][ T10] ___sys_sendmsg+0xee/0x170 [ 654.739891][ T10] __sys_sendmsg+0xcd/0x170 [ 654.739891][ T10] do_syscall_64+0xc6/0x1e0 [ 654.739891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.739891][ T10] [ 654.742008][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 654.742008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 654.742008][ T10] ipv6_find_idev+0x102/0x170 [ 654.742008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.742008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.742008][ T10] netlink_rcv_skb+0x130/0x360 [ 654.742008][ T10] netlink_unicast+0x449/0x710 [ 654.742008][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.742008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.742008][ T10] ___sys_sendmsg+0xee/0x170 [ 654.742008][ T10] __sys_sendmsg+0xcd/0x170 [ 654.742008][ T10] do_syscall_64+0xc6/0x1e0 [ 654.742008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.742008][ T10] [ 654.743747][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 654.743747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 654.743747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 654.743747][ T10] ipv6_find_idev+0x102/0x170 [ 654.743747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.743747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.743747][ T10] netlink_rcv_skb+0x130/0x360 [ 654.743747][ T10] netlink_unicast+0x449/0x710 [ 654.743747][ T10] netlink_sendmsg+0x723/0xbe0 [ 654.743747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 654.743747][ T10] ___sys_sendmsg+0xee/0x170 [ 654.743747][ T10] __sys_sendmsg+0xcd/0x170 [ 654.743747][ T10] do_syscall_64+0xc6/0x1e0 [ 654.743747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.743747][ T10] [ 664.856133][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 664.856472][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 664.856472][ T10] netdev_get_by_index+0x5e/0x80 [ 664.856472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.856472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.856472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.856472][ T10] ipv6_add_addr+0x411/0x2000 [ 664.856472][ T10] inet6_addr_add+0x30e/0xa40 [ 664.856472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.856472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.856472][ T10] netlink_rcv_skb+0x130/0x360 [ 664.856472][ T10] netlink_unicast+0x449/0x710 [ 664.856472][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.856472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.856472][ T10] ___sys_sendmsg+0xee/0x170 [ 664.856472][ T10] __sys_sendmsg+0xcd/0x170 [ 664.856472][ T10] do_syscall_64+0xc6/0x1e0 [ 664.856472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.856472][ T10] [ 664.858467][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 664.858467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.858467][ T10] ipv6_find_idev+0x102/0x170 [ 664.858467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.858467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.858467][ T10] netlink_rcv_skb+0x130/0x360 [ 664.858467][ T10] netlink_unicast+0x449/0x710 [ 664.858467][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.858467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.858467][ T10] ___sys_sendmsg+0xee/0x170 [ 664.858467][ T10] __sys_sendmsg+0xcd/0x170 [ 664.858467][ T10] do_syscall_64+0xc6/0x1e0 [ 664.858467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.858467][ T10] [ 664.860018][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 664.860018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.860018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.860018][ T10] ipv6_find_idev+0x102/0x170 [ 664.860018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.860018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.860018][ T10] netlink_rcv_skb+0x130/0x360 [ 664.860018][ T10] netlink_unicast+0x449/0x710 [ 664.860018][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.860018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.860018][ T10] ___sys_sendmsg+0xee/0x170 [ 664.860018][ T10] __sys_sendmsg+0xcd/0x170 [ 664.860018][ T10] do_syscall_64+0xc6/0x1e0 [ 664.860018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.860018][ T10] [ 664.861768][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 664.862039][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 664.862039][ T10] netdev_get_by_index+0x5e/0x80 [ 664.862039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.862039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.862039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.862039][ T10] ipv6_add_addr+0x411/0x2000 [ 664.862039][ T10] inet6_addr_add+0x30e/0xa40 [ 664.862039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.862039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.862039][ T10] netlink_rcv_skb+0x130/0x360 [ 664.862039][ T10] netlink_unicast+0x449/0x710 [ 664.862039][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.862039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.862039][ T10] ___sys_sendmsg+0xee/0x170 [ 664.862039][ T10] __sys_sendmsg+0xcd/0x170 [ 664.862039][ T10] do_syscall_64+0xc6/0x1e0 [ 664.862039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.862039][ T10] [ 664.864015][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 664.864015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.864015][ T10] ipv6_find_idev+0x102/0x170 [ 664.864015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.864015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.864015][ T10] netlink_rcv_skb+0x130/0x360 [ 664.864015][ T10] netlink_unicast+0x449/0x710 [ 664.864015][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.864015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.864015][ T10] ___sys_sendmsg+0xee/0x170 [ 664.864015][ T10] __sys_sendmsg+0xcd/0x170 [ 664.864015][ T10] do_syscall_64+0xc6/0x1e0 [ 664.864015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.864015][ T10] [ 664.865537][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 664.865537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.865537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.865537][ T10] ipv6_find_idev+0x102/0x170 [ 664.865537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.865537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.865537][ T10] netlink_rcv_skb+0x130/0x360 [ 664.865537][ T10] netlink_unicast+0x449/0x710 [ 664.865537][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.865537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.865537][ T10] ___sys_sendmsg+0xee/0x170 [ 664.865537][ T10] __sys_sendmsg+0xcd/0x170 [ 664.865537][ T10] do_syscall_64+0xc6/0x1e0 [ 664.865537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.865537][ T10] [ 664.867155][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 664.867435][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 664.867435][ T10] netdev_get_by_index+0x5e/0x80 [ 664.867435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.867435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.867435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.867435][ T10] ipv6_add_addr+0x411/0x2000 [ 664.867435][ T10] inet6_addr_add+0x30e/0xa40 [ 664.867435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.867435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.867435][ T10] netlink_rcv_skb+0x130/0x360 [ 664.867435][ T10] netlink_unicast+0x449/0x710 [ 664.867435][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.867435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.867435][ T10] ___sys_sendmsg+0xee/0x170 [ 664.867435][ T10] __sys_sendmsg+0xcd/0x170 [ 664.867435][ T10] do_syscall_64+0xc6/0x1e0 [ 664.867435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.867435][ T10] [ 664.869373][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 664.869373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.869373][ T10] ipv6_find_idev+0x102/0x170 [ 664.869373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.869373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.869373][ T10] netlink_rcv_skb+0x130/0x360 [ 664.869373][ T10] netlink_unicast+0x449/0x710 [ 664.869373][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.869373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.869373][ T10] ___sys_sendmsg+0xee/0x170 [ 664.869373][ T10] __sys_sendmsg+0xcd/0x170 [ 664.869373][ T10] do_syscall_64+0xc6/0x1e0 [ 664.869373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.869373][ T10] [ 664.871004][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 664.871004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.871004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.871004][ T10] ipv6_find_idev+0x102/0x170 [ 664.871004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.871004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.871004][ T10] netlink_rcv_skb+0x130/0x360 [ 664.871004][ T10] netlink_unicast+0x449/0x710 [ 664.871004][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.871004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.871004][ T10] ___sys_sendmsg+0xee/0x170 [ 664.871004][ T10] __sys_sendmsg+0xcd/0x170 [ 664.871004][ T10] do_syscall_64+0xc6/0x1e0 [ 664.871004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.871004][ T10] [ 664.872887][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 664.873164][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 664.873164][ T10] netdev_get_by_index+0x5e/0x80 [ 664.873164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.873164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.873164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.873164][ T10] ipv6_add_addr+0x411/0x2000 [ 664.873164][ T10] inet6_addr_add+0x30e/0xa40 [ 664.873164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.873164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.873164][ T10] netlink_rcv_skb+0x130/0x360 [ 664.873164][ T10] netlink_unicast+0x449/0x710 [ 664.873164][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.873164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.873164][ T10] ___sys_sendmsg+0xee/0x170 [ 664.873164][ T10] __sys_sendmsg+0xcd/0x170 [ 664.873164][ T10] do_syscall_64+0xc6/0x1e0 [ 664.873164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.873164][ T10] [ 664.875378][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 664.875378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.875378][ T10] ipv6_find_idev+0x102/0x170 [ 664.875378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.875378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.875378][ T10] netlink_rcv_skb+0x130/0x360 [ 664.875378][ T10] netlink_unicast+0x449/0x710 [ 664.875378][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.875378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.875378][ T10] ___sys_sendmsg+0xee/0x170 [ 664.875378][ T10] __sys_sendmsg+0xcd/0x170 [ 664.875378][ T10] do_syscall_64+0xc6/0x1e0 [ 664.875378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.875378][ T10] [ 664.877016][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 664.877016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.877016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.877016][ T10] ipv6_find_idev+0x102/0x170 [ 664.877016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.877016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.877016][ T10] netlink_rcv_skb+0x130/0x360 [ 664.877016][ T10] netlink_unicast+0x449/0x710 [ 664.877016][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.877016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.877016][ T10] ___sys_sendmsg+0xee/0x170 [ 664.877016][ T10] __sys_sendmsg+0xcd/0x170 [ 664.877016][ T10] do_syscall_64+0xc6/0x1e0 [ 664.877016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.877016][ T10] [ 664.878818][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 664.879140][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 664.879140][ T10] netdev_get_by_index+0x5e/0x80 [ 664.879140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.879140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.879140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.879140][ T10] ipv6_add_addr+0x411/0x2000 [ 664.879140][ T10] inet6_addr_add+0x30e/0xa40 [ 664.879140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.879140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.879140][ T10] netlink_rcv_skb+0x130/0x360 [ 664.879140][ T10] netlink_unicast+0x449/0x710 [ 664.879140][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.879140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.879140][ T10] ___sys_sendmsg+0xee/0x170 [ 664.879140][ T10] __sys_sendmsg+0xcd/0x170 [ 664.879140][ T10] do_syscall_64+0xc6/0x1e0 [ 664.879140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.879140][ T10] [ 664.881083][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 664.881083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.881083][ T10] ipv6_find_idev+0x102/0x170 [ 664.881083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.881083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.881083][ T10] netlink_rcv_skb+0x130/0x360 [ 664.881083][ T10] netlink_unicast+0x449/0x710 [ 664.881083][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.881083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.881083][ T10] ___sys_sendmsg+0xee/0x170 [ 664.881083][ T10] __sys_sendmsg+0xcd/0x170 [ 664.881083][ T10] do_syscall_64+0xc6/0x1e0 [ 664.881083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.881083][ T10] [ 664.882588][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 664.882588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.882588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.882588][ T10] ipv6_find_idev+0x102/0x170 [ 664.882588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.882588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.882588][ T10] netlink_rcv_skb+0x130/0x360 [ 664.882588][ T10] netlink_unicast+0x449/0x710 [ 664.882588][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.882588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.882588][ T10] ___sys_sendmsg+0xee/0x170 [ 664.882588][ T10] __sys_sendmsg+0xcd/0x170 [ 664.882588][ T10] do_syscall_64+0xc6/0x1e0 [ 664.882588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.882588][ T10] [ 664.884664][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 664.885014][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 664.885014][ T10] netdev_get_by_index+0x5e/0x80 [ 664.885014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.885014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.885014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.885014][ T10] ipv6_add_addr+0x411/0x2000 [ 664.885014][ T10] inet6_addr_add+0x30e/0xa40 [ 664.885014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.885014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.885014][ T10] netlink_rcv_skb+0x130/0x360 [ 664.885014][ T10] netlink_unicast+0x449/0x710 [ 664.885014][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.885014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.885014][ T10] ___sys_sendmsg+0xee/0x170 [ 664.885014][ T10] __sys_sendmsg+0xcd/0x170 [ 664.885014][ T10] do_syscall_64+0xc6/0x1e0 [ 664.885014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.885014][ T10] [ 664.886977][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 664.886977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.886977][ T10] ipv6_find_idev+0x102/0x170 [ 664.886977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.886977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.886977][ T10] netlink_rcv_skb+0x130/0x360 [ 664.886977][ T10] netlink_unicast+0x449/0x710 [ 664.886977][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.886977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.886977][ T10] ___sys_sendmsg+0xee/0x170 [ 664.886977][ T10] __sys_sendmsg+0xcd/0x170 [ 664.886977][ T10] do_syscall_64+0xc6/0x1e0 [ 664.886977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.886977][ T10] [ 664.888483][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 664.888483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.888483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.888483][ T10] ipv6_find_idev+0x102/0x170 [ 664.888483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.888483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.888483][ T10] netlink_rcv_skb+0x130/0x360 [ 664.888483][ T10] netlink_unicast+0x449/0x710 [ 664.888483][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.888483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.888483][ T10] ___sys_sendmsg+0xee/0x170 [ 664.888483][ T10] __sys_sendmsg+0xcd/0x170 [ 664.888483][ T10] do_syscall_64+0xc6/0x1e0 [ 664.888483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.888483][ T10] [ 664.890187][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 664.890447][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 664.890447][ T10] netdev_get_by_index+0x5e/0x80 [ 664.890447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.890447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.890447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.890447][ T10] ipv6_add_addr+0x411/0x2000 [ 664.890447][ T10] inet6_addr_add+0x30e/0xa40 [ 664.890447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.890447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.890447][ T10] netlink_rcv_skb+0x130/0x360 [ 664.890447][ T10] netlink_unicast+0x449/0x710 [ 664.890447][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.890447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.890447][ T10] ___sys_sendmsg+0xee/0x170 [ 664.890447][ T10] __sys_sendmsg+0xcd/0x170 [ 664.890447][ T10] do_syscall_64+0xc6/0x1e0 [ 664.890447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.890447][ T10] [ 664.892604][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 664.892604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.892604][ T10] ipv6_find_idev+0x102/0x170 [ 664.892604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.892604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.892604][ T10] netlink_rcv_skb+0x130/0x360 [ 664.892604][ T10] netlink_unicast+0x449/0x710 [ 664.892604][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.892604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.892604][ T10] ___sys_sendmsg+0xee/0x170 [ 664.892604][ T10] __sys_sendmsg+0xcd/0x170 [ 664.892604][ T10] do_syscall_64+0xc6/0x1e0 [ 664.892604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.892604][ T10] [ 664.894303][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 664.894303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.894303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.894303][ T10] ipv6_find_idev+0x102/0x170 [ 664.894303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.894303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.894303][ T10] netlink_rcv_skb+0x130/0x360 [ 664.894303][ T10] netlink_unicast+0x449/0x710 [ 664.894303][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.894303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.894303][ T10] ___sys_sendmsg+0xee/0x170 [ 664.894303][ T10] __sys_sendmsg+0xcd/0x170 [ 664.894303][ T10] do_syscall_64+0xc6/0x1e0 [ 664.894303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.894303][ T10] [ 664.896121][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 664.896385][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 664.896385][ T10] netdev_get_by_index+0x5e/0x80 [ 664.896385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 664.896385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 664.896385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 664.896385][ T10] ipv6_add_addr+0x411/0x2000 [ 664.896385][ T10] inet6_addr_add+0x30e/0xa40 [ 664.896385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 664.896385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.896385][ T10] netlink_rcv_skb+0x130/0x360 [ 664.896385][ T10] netlink_unicast+0x449/0x710 [ 664.896385][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.896385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.896385][ T10] ___sys_sendmsg+0xee/0x170 [ 664.896385][ T10] __sys_sendmsg+0xcd/0x170 [ 664.896385][ T10] do_syscall_64+0xc6/0x1e0 [ 664.896385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.896385][ T10] [ 664.898567][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 664.898567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 664.898567][ T10] ipv6_find_idev+0x102/0x170 [ 664.898567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.898567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.898567][ T10] netlink_rcv_skb+0x130/0x360 [ 664.898567][ T10] netlink_unicast+0x449/0x710 [ 664.898567][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.898567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.898567][ T10] ___sys_sendmsg+0xee/0x170 [ 664.898567][ T10] __sys_sendmsg+0xcd/0x170 [ 664.898567][ T10] do_syscall_64+0xc6/0x1e0 [ 664.898567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.898567][ T10] [ 664.900245][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 664.900245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 664.900245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 664.900245][ T10] ipv6_find_idev+0x102/0x170 [ 664.900245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.900245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.900245][ T10] netlink_rcv_skb+0x130/0x360 [ 664.900245][ T10] netlink_unicast+0x449/0x710 [ 664.900245][ T10] netlink_sendmsg+0x723/0xbe0 [ 664.900245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 664.900245][ T10] ___sys_sendmsg+0xee/0x170 [ 664.900245][ T10] __sys_sendmsg+0xcd/0x170 [ 664.900245][ T10] do_syscall_64+0xc6/0x1e0 [ 664.900245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.900245][ T10] [ 674.944280][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 674.944906][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 674.944906][ T10] netdev_get_by_index+0x5e/0x80 [ 674.944906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.944906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.944906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.944906][ T10] ipv6_add_addr+0x411/0x2000 [ 674.944906][ T10] inet6_addr_add+0x30e/0xa40 [ 674.944906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.944906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.944906][ T10] netlink_rcv_skb+0x130/0x360 [ 674.944906][ T10] netlink_unicast+0x449/0x710 [ 674.944906][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.944906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.944906][ T10] ___sys_sendmsg+0xee/0x170 [ 674.944906][ T10] __sys_sendmsg+0xcd/0x170 [ 674.944906][ T10] do_syscall_64+0xc6/0x1e0 [ 674.944906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.944906][ T10] [ 674.946898][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 674.946898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.946898][ T10] ipv6_find_idev+0x102/0x170 [ 674.946898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.946898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.946898][ T10] netlink_rcv_skb+0x130/0x360 [ 674.946898][ T10] netlink_unicast+0x449/0x710 [ 674.946898][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.946898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.946898][ T10] ___sys_sendmsg+0xee/0x170 [ 674.946898][ T10] __sys_sendmsg+0xcd/0x170 [ 674.946898][ T10] do_syscall_64+0xc6/0x1e0 [ 674.946898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.946898][ T10] [ 674.948419][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 674.948419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.948419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.948419][ T10] ipv6_find_idev+0x102/0x170 [ 674.948419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.948419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.948419][ T10] netlink_rcv_skb+0x130/0x360 [ 674.948419][ T10] netlink_unicast+0x449/0x710 [ 674.948419][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.948419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.948419][ T10] ___sys_sendmsg+0xee/0x170 [ 674.948419][ T10] __sys_sendmsg+0xcd/0x170 [ 674.948419][ T10] do_syscall_64+0xc6/0x1e0 [ 674.948419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.948419][ T10] [ 674.950071][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 674.950378][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 674.950378][ T10] netdev_get_by_index+0x5e/0x80 [ 674.950378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.950378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.950378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.950378][ T10] ipv6_add_addr+0x411/0x2000 [ 674.950378][ T10] inet6_addr_add+0x30e/0xa40 [ 674.950378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.950378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.950378][ T10] netlink_rcv_skb+0x130/0x360 [ 674.950378][ T10] netlink_unicast+0x449/0x710 [ 674.950378][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.950378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.950378][ T10] ___sys_sendmsg+0xee/0x170 [ 674.950378][ T10] __sys_sendmsg+0xcd/0x170 [ 674.950378][ T10] do_syscall_64+0xc6/0x1e0 [ 674.950378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.950378][ T10] [ 674.952341][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 674.952341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.952341][ T10] ipv6_find_idev+0x102/0x170 [ 674.952341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.952341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.952341][ T10] netlink_rcv_skb+0x130/0x360 [ 674.952341][ T10] netlink_unicast+0x449/0x710 [ 674.952341][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.952341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.952341][ T10] ___sys_sendmsg+0xee/0x170 [ 674.952341][ T10] __sys_sendmsg+0xcd/0x170 [ 674.952341][ T10] do_syscall_64+0xc6/0x1e0 [ 674.952341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.952341][ T10] [ 674.953828][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 674.953828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.953828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.953828][ T10] ipv6_find_idev+0x102/0x170 [ 674.953828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.953828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.953828][ T10] netlink_rcv_skb+0x130/0x360 [ 674.953828][ T10] netlink_unicast+0x449/0x710 [ 674.953828][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.953828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.953828][ T10] ___sys_sendmsg+0xee/0x170 [ 674.953828][ T10] __sys_sendmsg+0xcd/0x170 [ 674.953828][ T10] do_syscall_64+0xc6/0x1e0 [ 674.953828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.953828][ T10] [ 674.955523][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 674.955807][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 674.955807][ T10] netdev_get_by_index+0x5e/0x80 [ 674.955807][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.955807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.955807][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.955807][ T10] ipv6_add_addr+0x411/0x2000 [ 674.955807][ T10] inet6_addr_add+0x30e/0xa40 [ 674.955807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.955807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.955807][ T10] netlink_rcv_skb+0x130/0x360 [ 674.955807][ T10] netlink_unicast+0x449/0x710 [ 674.955807][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.955807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.955807][ T10] ___sys_sendmsg+0xee/0x170 [ 674.955807][ T10] __sys_sendmsg+0xcd/0x170 [ 674.955807][ T10] do_syscall_64+0xc6/0x1e0 [ 674.955807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.955807][ T10] [ 674.957826][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 674.957826][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.957826][ T10] ipv6_find_idev+0x102/0x170 [ 674.957826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.957826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.957826][ T10] netlink_rcv_skb+0x130/0x360 [ 674.957826][ T10] netlink_unicast+0x449/0x710 [ 674.957826][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.957826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.957826][ T10] ___sys_sendmsg+0xee/0x170 [ 674.957826][ T10] __sys_sendmsg+0xcd/0x170 [ 674.957826][ T10] do_syscall_64+0xc6/0x1e0 [ 674.957826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.957826][ T10] [ 674.959352][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 674.959352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.959352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.959352][ T10] ipv6_find_idev+0x102/0x170 [ 674.959352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.959352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.959352][ T10] netlink_rcv_skb+0x130/0x360 [ 674.959352][ T10] netlink_unicast+0x449/0x710 [ 674.959352][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.959352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.959352][ T10] ___sys_sendmsg+0xee/0x170 [ 674.959352][ T10] __sys_sendmsg+0xcd/0x170 [ 674.959352][ T10] do_syscall_64+0xc6/0x1e0 [ 674.959352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.959352][ T10] [ 674.960992][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 674.961719][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 674.961719][ T10] netdev_get_by_index+0x5e/0x80 [ 674.961719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.961719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.961719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.961719][ T10] ipv6_add_addr+0x411/0x2000 [ 674.961719][ T10] inet6_addr_add+0x30e/0xa40 [ 674.961719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.961719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.961719][ T10] netlink_rcv_skb+0x130/0x360 [ 674.961719][ T10] netlink_unicast+0x449/0x710 [ 674.961719][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.961719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.961719][ T10] ___sys_sendmsg+0xee/0x170 [ 674.961719][ T10] __sys_sendmsg+0xcd/0x170 [ 674.961719][ T10] do_syscall_64+0xc6/0x1e0 [ 674.961719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.961719][ T10] [ 674.963692][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 674.963692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.963692][ T10] ipv6_find_idev+0x102/0x170 [ 674.963692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.963692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.963692][ T10] netlink_rcv_skb+0x130/0x360 [ 674.963692][ T10] netlink_unicast+0x449/0x710 [ 674.963692][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.963692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.963692][ T10] ___sys_sendmsg+0xee/0x170 [ 674.963692][ T10] __sys_sendmsg+0xcd/0x170 [ 674.963692][ T10] do_syscall_64+0xc6/0x1e0 [ 674.963692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.963692][ T10] [ 674.965199][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 674.965199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.965199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.965199][ T10] ipv6_find_idev+0x102/0x170 [ 674.965199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.965199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.965199][ T10] netlink_rcv_skb+0x130/0x360 [ 674.965199][ T10] netlink_unicast+0x449/0x710 [ 674.965199][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.965199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.965199][ T10] ___sys_sendmsg+0xee/0x170 [ 674.965199][ T10] __sys_sendmsg+0xcd/0x170 [ 674.965199][ T10] do_syscall_64+0xc6/0x1e0 [ 674.965199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.965199][ T10] [ 674.966933][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 674.967254][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 674.967254][ T10] netdev_get_by_index+0x5e/0x80 [ 674.967254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.967254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.967254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.967254][ T10] ipv6_add_addr+0x411/0x2000 [ 674.967254][ T10] inet6_addr_add+0x30e/0xa40 [ 674.967254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.967254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.967254][ T10] netlink_rcv_skb+0x130/0x360 [ 674.967254][ T10] netlink_unicast+0x449/0x710 [ 674.967254][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.967254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.967254][ T10] ___sys_sendmsg+0xee/0x170 [ 674.967254][ T10] __sys_sendmsg+0xcd/0x170 [ 674.967254][ T10] do_syscall_64+0xc6/0x1e0 [ 674.967254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.967254][ T10] [ 674.969241][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 674.969241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.969241][ T10] ipv6_find_idev+0x102/0x170 [ 674.969241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.969241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.969241][ T10] netlink_rcv_skb+0x130/0x360 [ 674.969241][ T10] netlink_unicast+0x449/0x710 [ 674.969241][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.969241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.969241][ T10] ___sys_sendmsg+0xee/0x170 [ 674.969241][ T10] __sys_sendmsg+0xcd/0x170 [ 674.969241][ T10] do_syscall_64+0xc6/0x1e0 [ 674.969241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.969241][ T10] [ 674.970761][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 674.970761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.970761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.970761][ T10] ipv6_find_idev+0x102/0x170 [ 674.970761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.970761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.970761][ T10] netlink_rcv_skb+0x130/0x360 [ 674.970761][ T10] netlink_unicast+0x449/0x710 [ 674.970761][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.970761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.970761][ T10] ___sys_sendmsg+0xee/0x170 [ 674.970761][ T10] __sys_sendmsg+0xcd/0x170 [ 674.970761][ T10] do_syscall_64+0xc6/0x1e0 [ 674.970761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.970761][ T10] [ 674.972447][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 674.972706][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 674.972706][ T10] netdev_get_by_index+0x5e/0x80 [ 674.972706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.972706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.972706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.972706][ T10] ipv6_add_addr+0x411/0x2000 [ 674.972706][ T10] inet6_addr_add+0x30e/0xa40 [ 674.972706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.972706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.972706][ T10] netlink_rcv_skb+0x130/0x360 [ 674.972706][ T10] netlink_unicast+0x449/0x710 [ 674.972706][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.972706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.972706][ T10] ___sys_sendmsg+0xee/0x170 [ 674.972706][ T10] __sys_sendmsg+0xcd/0x170 [ 674.972706][ T10] do_syscall_64+0xc6/0x1e0 [ 674.972706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.972706][ T10] [ 674.974705][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 674.974705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.974705][ T10] ipv6_find_idev+0x102/0x170 [ 674.974705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.974705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.974705][ T10] netlink_rcv_skb+0x130/0x360 [ 674.974705][ T10] netlink_unicast+0x449/0x710 [ 674.974705][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.974705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.974705][ T10] ___sys_sendmsg+0xee/0x170 [ 674.974705][ T10] __sys_sendmsg+0xcd/0x170 [ 674.974705][ T10] do_syscall_64+0xc6/0x1e0 [ 674.974705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.974705][ T10] [ 674.976340][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 674.976340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.976340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.976340][ T10] ipv6_find_idev+0x102/0x170 [ 674.976340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.976340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.976340][ T10] netlink_rcv_skb+0x130/0x360 [ 674.976340][ T10] netlink_unicast+0x449/0x710 [ 674.976340][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.976340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.976340][ T10] ___sys_sendmsg+0xee/0x170 [ 674.976340][ T10] __sys_sendmsg+0xcd/0x170 [ 674.976340][ T10] do_syscall_64+0xc6/0x1e0 [ 674.976340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.976340][ T10] [ 674.978172][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 674.978432][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 674.978432][ T10] netdev_get_by_index+0x5e/0x80 [ 674.978432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.978432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.978432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.978432][ T10] ipv6_add_addr+0x411/0x2000 [ 674.978432][ T10] inet6_addr_add+0x30e/0xa40 [ 674.978432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.978432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.978432][ T10] netlink_rcv_skb+0x130/0x360 [ 674.978432][ T10] netlink_unicast+0x449/0x710 [ 674.978432][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.978432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.978432][ T10] ___sys_sendmsg+0xee/0x170 [ 674.978432][ T10] __sys_sendmsg+0xcd/0x170 [ 674.978432][ T10] do_syscall_64+0xc6/0x1e0 [ 674.978432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.978432][ T10] [ 674.980692][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 674.980692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.980692][ T10] ipv6_find_idev+0x102/0x170 [ 674.980692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.980692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.980692][ T10] netlink_rcv_skb+0x130/0x360 [ 674.980692][ T10] netlink_unicast+0x449/0x710 [ 674.980692][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.980692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.980692][ T10] ___sys_sendmsg+0xee/0x170 [ 674.980692][ T10] __sys_sendmsg+0xcd/0x170 [ 674.980692][ T10] do_syscall_64+0xc6/0x1e0 [ 674.980692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.980692][ T10] [ 674.982339][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 674.982339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.982339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.982339][ T10] ipv6_find_idev+0x102/0x170 [ 674.982339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.982339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.982339][ T10] netlink_rcv_skb+0x130/0x360 [ 674.982339][ T10] netlink_unicast+0x449/0x710 [ 674.982339][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.982339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.982339][ T10] ___sys_sendmsg+0xee/0x170 [ 674.982339][ T10] __sys_sendmsg+0xcd/0x170 [ 674.982339][ T10] do_syscall_64+0xc6/0x1e0 [ 674.982339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.982339][ T10] [ 674.984225][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 674.984532][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 674.984532][ T10] netdev_get_by_index+0x5e/0x80 [ 674.984532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 674.984532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 674.984532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 674.984532][ T10] ipv6_add_addr+0x411/0x2000 [ 674.984532][ T10] inet6_addr_add+0x30e/0xa40 [ 674.984532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 674.984532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.984532][ T10] netlink_rcv_skb+0x130/0x360 [ 674.984532][ T10] netlink_unicast+0x449/0x710 [ 674.984532][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.984532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.984532][ T10] ___sys_sendmsg+0xee/0x170 [ 674.984532][ T10] __sys_sendmsg+0xcd/0x170 [ 674.984532][ T10] do_syscall_64+0xc6/0x1e0 [ 674.984532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.984532][ T10] [ 674.986642][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 674.986642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 674.986642][ T10] ipv6_find_idev+0x102/0x170 [ 674.986642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.986642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.986642][ T10] netlink_rcv_skb+0x130/0x360 [ 674.986642][ T10] netlink_unicast+0x449/0x710 [ 674.986642][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.986642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.986642][ T10] ___sys_sendmsg+0xee/0x170 [ 674.986642][ T10] __sys_sendmsg+0xcd/0x170 [ 674.986642][ T10] do_syscall_64+0xc6/0x1e0 [ 674.986642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.986642][ T10] [ 674.988279][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 674.988279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 674.988279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 674.988279][ T10] ipv6_find_idev+0x102/0x170 [ 674.988279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.988279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.988279][ T10] netlink_rcv_skb+0x130/0x360 [ 674.988279][ T10] netlink_unicast+0x449/0x710 [ 674.988279][ T10] netlink_sendmsg+0x723/0xbe0 [ 674.988279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 674.988279][ T10] ___sys_sendmsg+0xee/0x170 [ 674.988279][ T10] __sys_sendmsg+0xcd/0x170 [ 674.988279][ T10] do_syscall_64+0xc6/0x1e0 [ 674.988279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.988279][ T10] [ 685.040388][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 685.040926][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 685.040926][ T10] netdev_get_by_index+0x5e/0x80 [ 685.040926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.040926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.040926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.040926][ T10] ipv6_add_addr+0x411/0x2000 [ 685.040926][ T10] inet6_addr_add+0x30e/0xa40 [ 685.040926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.040926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.040926][ T10] netlink_rcv_skb+0x130/0x360 [ 685.040926][ T10] netlink_unicast+0x449/0x710 [ 685.040926][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.040926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.040926][ T10] ___sys_sendmsg+0xee/0x170 [ 685.040926][ T10] __sys_sendmsg+0xcd/0x170 [ 685.040926][ T10] do_syscall_64+0xc6/0x1e0 [ 685.040926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.040926][ T10] [ 685.042906][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 685.042906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.042906][ T10] ipv6_find_idev+0x102/0x170 [ 685.042906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.042906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.042906][ T10] netlink_rcv_skb+0x130/0x360 [ 685.042906][ T10] netlink_unicast+0x449/0x710 [ 685.042906][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.042906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.042906][ T10] ___sys_sendmsg+0xee/0x170 [ 685.042906][ T10] __sys_sendmsg+0xcd/0x170 [ 685.042906][ T10] do_syscall_64+0xc6/0x1e0 [ 685.042906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.042906][ T10] [ 685.044388][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 685.044388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.044388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.044388][ T10] ipv6_find_idev+0x102/0x170 [ 685.044388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.044388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.044388][ T10] netlink_rcv_skb+0x130/0x360 [ 685.044388][ T10] netlink_unicast+0x449/0x710 [ 685.044388][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.044388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.044388][ T10] ___sys_sendmsg+0xee/0x170 [ 685.044388][ T10] __sys_sendmsg+0xcd/0x170 [ 685.044388][ T10] do_syscall_64+0xc6/0x1e0 [ 685.044388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.044388][ T10] [ 685.046021][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 685.046323][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 685.046323][ T10] netdev_get_by_index+0x5e/0x80 [ 685.046323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.046323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.046323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.046323][ T10] ipv6_add_addr+0x411/0x2000 [ 685.046323][ T10] inet6_addr_add+0x30e/0xa40 [ 685.046323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.046323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.046323][ T10] netlink_rcv_skb+0x130/0x360 [ 685.046323][ T10] netlink_unicast+0x449/0x710 [ 685.046323][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.046323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.046323][ T10] ___sys_sendmsg+0xee/0x170 [ 685.046323][ T10] __sys_sendmsg+0xcd/0x170 [ 685.046323][ T10] do_syscall_64+0xc6/0x1e0 [ 685.046323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.046323][ T10] [ 685.048327][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 685.048327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.048327][ T10] ipv6_find_idev+0x102/0x170 [ 685.048327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.048327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.048327][ T10] netlink_rcv_skb+0x130/0x360 [ 685.048327][ T10] netlink_unicast+0x449/0x710 [ 685.048327][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.048327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.048327][ T10] ___sys_sendmsg+0xee/0x170 [ 685.048327][ T10] __sys_sendmsg+0xcd/0x170 [ 685.048327][ T10] do_syscall_64+0xc6/0x1e0 [ 685.048327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.048327][ T10] [ 685.049846][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 685.049846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.049846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.049846][ T10] ipv6_find_idev+0x102/0x170 [ 685.049846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.049846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.049846][ T10] netlink_rcv_skb+0x130/0x360 [ 685.049846][ T10] netlink_unicast+0x449/0x710 [ 685.049846][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.049846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.049846][ T10] ___sys_sendmsg+0xee/0x170 [ 685.049846][ T10] __sys_sendmsg+0xcd/0x170 [ 685.049846][ T10] do_syscall_64+0xc6/0x1e0 [ 685.049846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.049846][ T10] [ 685.051505][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 685.051773][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 685.051773][ T10] netdev_get_by_index+0x5e/0x80 [ 685.051773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.051773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.051773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.051773][ T10] ipv6_add_addr+0x411/0x2000 [ 685.051773][ T10] inet6_addr_add+0x30e/0xa40 [ 685.051773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.051773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.051773][ T10] netlink_rcv_skb+0x130/0x360 [ 685.051773][ T10] netlink_unicast+0x449/0x710 [ 685.051773][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.051773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.051773][ T10] ___sys_sendmsg+0xee/0x170 [ 685.051773][ T10] __sys_sendmsg+0xcd/0x170 [ 685.051773][ T10] do_syscall_64+0xc6/0x1e0 [ 685.051773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.051773][ T10] [ 685.053754][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 685.053754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.053754][ T10] ipv6_find_idev+0x102/0x170 [ 685.053754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.053754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.053754][ T10] netlink_rcv_skb+0x130/0x360 [ 685.053754][ T10] netlink_unicast+0x449/0x710 [ 685.053754][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.053754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.053754][ T10] ___sys_sendmsg+0xee/0x170 [ 685.053754][ T10] __sys_sendmsg+0xcd/0x170 [ 685.053754][ T10] do_syscall_64+0xc6/0x1e0 [ 685.053754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.053754][ T10] [ 685.055262][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 685.055262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.055262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.055262][ T10] ipv6_find_idev+0x102/0x170 [ 685.055262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.055262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.055262][ T10] netlink_rcv_skb+0x130/0x360 [ 685.055262][ T10] netlink_unicast+0x449/0x710 [ 685.055262][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.055262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.055262][ T10] ___sys_sendmsg+0xee/0x170 [ 685.055262][ T10] __sys_sendmsg+0xcd/0x170 [ 685.055262][ T10] do_syscall_64+0xc6/0x1e0 [ 685.055262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.055262][ T10] [ 685.056877][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 685.057140][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 685.057140][ T10] netdev_get_by_index+0x5e/0x80 [ 685.057140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.057140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.057140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.057140][ T10] ipv6_add_addr+0x411/0x2000 [ 685.057140][ T10] inet6_addr_add+0x30e/0xa40 [ 685.057140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.057140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.057140][ T10] netlink_rcv_skb+0x130/0x360 [ 685.057140][ T10] netlink_unicast+0x449/0x710 [ 685.057140][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.057140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.057140][ T10] ___sys_sendmsg+0xee/0x170 [ 685.057140][ T10] __sys_sendmsg+0xcd/0x170 [ 685.057140][ T10] do_syscall_64+0xc6/0x1e0 [ 685.057140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.057140][ T10] [ 685.059146][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 685.059146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.059146][ T10] ipv6_find_idev+0x102/0x170 [ 685.059146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.059146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.059146][ T10] netlink_rcv_skb+0x130/0x360 [ 685.059146][ T10] netlink_unicast+0x449/0x710 [ 685.059146][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.059146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.059146][ T10] ___sys_sendmsg+0xee/0x170 [ 685.059146][ T10] __sys_sendmsg+0xcd/0x170 [ 685.059146][ T10] do_syscall_64+0xc6/0x1e0 [ 685.059146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.059146][ T10] [ 685.060622][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 685.060622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.060622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.060622][ T10] ipv6_find_idev+0x102/0x170 [ 685.060622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.060622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.060622][ T10] netlink_rcv_skb+0x130/0x360 [ 685.060622][ T10] netlink_unicast+0x449/0x710 [ 685.060622][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.060622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.060622][ T10] ___sys_sendmsg+0xee/0x170 [ 685.060622][ T10] __sys_sendmsg+0xcd/0x170 [ 685.060622][ T10] do_syscall_64+0xc6/0x1e0 [ 685.060622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.060622][ T10] [ 685.062634][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 685.062887][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 685.062887][ T10] netdev_get_by_index+0x5e/0x80 [ 685.062887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.062887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.062887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.062887][ T10] ipv6_add_addr+0x411/0x2000 [ 685.062887][ T10] inet6_addr_add+0x30e/0xa40 [ 685.062887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.062887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.062887][ T10] netlink_rcv_skb+0x130/0x360 [ 685.062887][ T10] netlink_unicast+0x449/0x710 [ 685.062887][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.062887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.062887][ T10] ___sys_sendmsg+0xee/0x170 [ 685.062887][ T10] __sys_sendmsg+0xcd/0x170 [ 685.062887][ T10] do_syscall_64+0xc6/0x1e0 [ 685.062887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.062887][ T10] [ 685.064813][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 685.064813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.064813][ T10] ipv6_find_idev+0x102/0x170 [ 685.064813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.064813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.064813][ T10] netlink_rcv_skb+0x130/0x360 [ 685.064813][ T10] netlink_unicast+0x449/0x710 [ 685.064813][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.064813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.064813][ T10] ___sys_sendmsg+0xee/0x170 [ 685.064813][ T10] __sys_sendmsg+0xcd/0x170 [ 685.064813][ T10] do_syscall_64+0xc6/0x1e0 [ 685.064813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.064813][ T10] [ 685.066342][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 685.066342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.066342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.066342][ T10] ipv6_find_idev+0x102/0x170 [ 685.066342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.066342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.066342][ T10] netlink_rcv_skb+0x130/0x360 [ 685.066342][ T10] netlink_unicast+0x449/0x710 [ 685.066342][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.066342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.066342][ T10] ___sys_sendmsg+0xee/0x170 [ 685.066342][ T10] __sys_sendmsg+0xcd/0x170 [ 685.066342][ T10] do_syscall_64+0xc6/0x1e0 [ 685.066342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.066342][ T10] [ 685.068024][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 685.068568][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 685.068568][ T10] netdev_get_by_index+0x5e/0x80 [ 685.068568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.068568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.068568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.068568][ T10] ipv6_add_addr+0x411/0x2000 [ 685.068568][ T10] inet6_addr_add+0x30e/0xa40 [ 685.068568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.068568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.068568][ T10] netlink_rcv_skb+0x130/0x360 [ 685.068568][ T10] netlink_unicast+0x449/0x710 [ 685.068568][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.068568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.068568][ T10] ___sys_sendmsg+0xee/0x170 [ 685.068568][ T10] __sys_sendmsg+0xcd/0x170 [ 685.068568][ T10] do_syscall_64+0xc6/0x1e0 [ 685.068568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.068568][ T10] [ 685.070650][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 685.070650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.070650][ T10] ipv6_find_idev+0x102/0x170 [ 685.070650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.070650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.070650][ T10] netlink_rcv_skb+0x130/0x360 [ 685.070650][ T10] netlink_unicast+0x449/0x710 [ 685.070650][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.070650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.070650][ T10] ___sys_sendmsg+0xee/0x170 [ 685.070650][ T10] __sys_sendmsg+0xcd/0x170 [ 685.070650][ T10] do_syscall_64+0xc6/0x1e0 [ 685.070650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.070650][ T10] [ 685.072343][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 685.072343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.072343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.072343][ T10] ipv6_find_idev+0x102/0x170 [ 685.072343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.072343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.072343][ T10] netlink_rcv_skb+0x130/0x360 [ 685.072343][ T10] netlink_unicast+0x449/0x710 [ 685.072343][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.072343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.072343][ T10] ___sys_sendmsg+0xee/0x170 [ 685.072343][ T10] __sys_sendmsg+0xcd/0x170 [ 685.072343][ T10] do_syscall_64+0xc6/0x1e0 [ 685.072343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.072343][ T10] [ 685.074165][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 685.074425][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 685.074425][ T10] netdev_get_by_index+0x5e/0x80 [ 685.074425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.074425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.074425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.074425][ T10] ipv6_add_addr+0x411/0x2000 [ 685.074425][ T10] inet6_addr_add+0x30e/0xa40 [ 685.074425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.074425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.074425][ T10] netlink_rcv_skb+0x130/0x360 [ 685.074425][ T10] netlink_unicast+0x449/0x710 [ 685.074425][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.074425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.074425][ T10] ___sys_sendmsg+0xee/0x170 [ 685.074425][ T10] __sys_sendmsg+0xcd/0x170 [ 685.074425][ T10] do_syscall_64+0xc6/0x1e0 [ 685.074425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.074425][ T10] [ 685.076560][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 685.076560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.076560][ T10] ipv6_find_idev+0x102/0x170 [ 685.076560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.076560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.076560][ T10] netlink_rcv_skb+0x130/0x360 [ 685.076560][ T10] netlink_unicast+0x449/0x710 [ 685.076560][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.076560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.076560][ T10] ___sys_sendmsg+0xee/0x170 [ 685.076560][ T10] __sys_sendmsg+0xcd/0x170 [ 685.076560][ T10] do_syscall_64+0xc6/0x1e0 [ 685.076560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.076560][ T10] [ 685.078202][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 685.078202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.078202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.078202][ T10] ipv6_find_idev+0x102/0x170 [ 685.078202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.078202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.078202][ T10] netlink_rcv_skb+0x130/0x360 [ 685.078202][ T10] netlink_unicast+0x449/0x710 [ 685.078202][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.078202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.078202][ T10] ___sys_sendmsg+0xee/0x170 [ 685.078202][ T10] __sys_sendmsg+0xcd/0x170 [ 685.078202][ T10] do_syscall_64+0xc6/0x1e0 [ 685.078202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.078202][ T10] [ 685.080074][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 685.080429][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 685.080429][ T10] netdev_get_by_index+0x5e/0x80 [ 685.080429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.080429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.080429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.080429][ T10] ipv6_add_addr+0x411/0x2000 [ 685.080429][ T10] inet6_addr_add+0x30e/0xa40 [ 685.080429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.080429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.080429][ T10] netlink_rcv_skb+0x130/0x360 [ 685.080429][ T10] netlink_unicast+0x449/0x710 [ 685.080429][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.080429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.080429][ T10] ___sys_sendmsg+0xee/0x170 [ 685.080429][ T10] __sys_sendmsg+0xcd/0x170 [ 685.080429][ T10] do_syscall_64+0xc6/0x1e0 [ 685.080429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.080429][ T10] [ 685.082577][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 685.082577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.082577][ T10] ipv6_find_idev+0x102/0x170 [ 685.082577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.082577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.082577][ T10] netlink_rcv_skb+0x130/0x360 [ 685.082577][ T10] netlink_unicast+0x449/0x710 [ 685.082577][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.082577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.082577][ T10] ___sys_sendmsg+0xee/0x170 [ 685.082577][ T10] __sys_sendmsg+0xcd/0x170 [ 685.082577][ T10] do_syscall_64+0xc6/0x1e0 [ 685.082577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.082577][ T10] [ 685.084280][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 685.084280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.084280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.084280][ T10] ipv6_find_idev+0x102/0x170 [ 685.084280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.084280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.084280][ T10] netlink_rcv_skb+0x130/0x360 [ 685.084280][ T10] netlink_unicast+0x449/0x710 [ 685.084280][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.084280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.084280][ T10] ___sys_sendmsg+0xee/0x170 [ 685.084280][ T10] __sys_sendmsg+0xcd/0x170 [ 685.084280][ T10] do_syscall_64+0xc6/0x1e0 [ 685.084280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.084280][ T10] [ 695.336286][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 695.336968][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 695.336968][ T10] netdev_get_by_index+0x5e/0x80 [ 695.336968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.336968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.336968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.336968][ T10] ipv6_add_addr+0x411/0x2000 [ 695.336968][ T10] inet6_addr_add+0x30e/0xa40 [ 695.336968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.336968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.336968][ T10] netlink_rcv_skb+0x130/0x360 [ 695.336968][ T10] netlink_unicast+0x449/0x710 [ 695.336968][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.336968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.336968][ T10] ___sys_sendmsg+0xee/0x170 [ 695.336968][ T10] __sys_sendmsg+0xcd/0x170 [ 695.336968][ T10] do_syscall_64+0xc6/0x1e0 [ 695.336968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.336968][ T10] [ 695.338932][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 695.338932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.338932][ T10] ipv6_find_idev+0x102/0x170 [ 695.338932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.338932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.338932][ T10] netlink_rcv_skb+0x130/0x360 [ 695.338932][ T10] netlink_unicast+0x449/0x710 [ 695.338932][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.338932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.338932][ T10] ___sys_sendmsg+0xee/0x170 [ 695.338932][ T10] __sys_sendmsg+0xcd/0x170 [ 695.338932][ T10] do_syscall_64+0xc6/0x1e0 [ 695.338932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.338932][ T10] [ 695.340428][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 695.340428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.340428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.340428][ T10] ipv6_find_idev+0x102/0x170 [ 695.340428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.340428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.340428][ T10] netlink_rcv_skb+0x130/0x360 [ 695.340428][ T10] netlink_unicast+0x449/0x710 [ 695.340428][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.340428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.340428][ T10] ___sys_sendmsg+0xee/0x170 [ 695.340428][ T10] __sys_sendmsg+0xcd/0x170 [ 695.340428][ T10] do_syscall_64+0xc6/0x1e0 [ 695.340428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.340428][ T10] [ 695.342119][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 695.342402][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 695.342402][ T10] netdev_get_by_index+0x5e/0x80 [ 695.342402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.342402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.342402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.342402][ T10] ipv6_add_addr+0x411/0x2000 [ 695.342402][ T10] inet6_addr_add+0x30e/0xa40 [ 695.342402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.342402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.342402][ T10] netlink_rcv_skb+0x130/0x360 [ 695.342402][ T10] netlink_unicast+0x449/0x710 [ 695.342402][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.342402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.342402][ T10] ___sys_sendmsg+0xee/0x170 [ 695.342402][ T10] __sys_sendmsg+0xcd/0x170 [ 695.342402][ T10] do_syscall_64+0xc6/0x1e0 [ 695.342402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.342402][ T10] [ 695.344357][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 695.344357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.344357][ T10] ipv6_find_idev+0x102/0x170 [ 695.344357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.344357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.344357][ T10] netlink_rcv_skb+0x130/0x360 [ 695.344357][ T10] netlink_unicast+0x449/0x710 [ 695.344357][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.344357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.344357][ T10] ___sys_sendmsg+0xee/0x170 [ 695.344357][ T10] __sys_sendmsg+0xcd/0x170 [ 695.344357][ T10] do_syscall_64+0xc6/0x1e0 [ 695.344357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.344357][ T10] [ 695.345836][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 695.345836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.345836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.345836][ T10] ipv6_find_idev+0x102/0x170 [ 695.345836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.345836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.345836][ T10] netlink_rcv_skb+0x130/0x360 [ 695.345836][ T10] netlink_unicast+0x449/0x710 [ 695.345836][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.345836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.345836][ T10] ___sys_sendmsg+0xee/0x170 [ 695.345836][ T10] __sys_sendmsg+0xcd/0x170 [ 695.345836][ T10] do_syscall_64+0xc6/0x1e0 [ 695.345836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.345836][ T10] [ 695.347472][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 695.347760][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 695.347760][ T10] netdev_get_by_index+0x5e/0x80 [ 695.347760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.347760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.347760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.347760][ T10] ipv6_add_addr+0x411/0x2000 [ 695.347760][ T10] inet6_addr_add+0x30e/0xa40 [ 695.347760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.347760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.347760][ T10] netlink_rcv_skb+0x130/0x360 [ 695.347760][ T10] netlink_unicast+0x449/0x710 [ 695.347760][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.347760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.347760][ T10] ___sys_sendmsg+0xee/0x170 [ 695.347760][ T10] __sys_sendmsg+0xcd/0x170 [ 695.347760][ T10] do_syscall_64+0xc6/0x1e0 [ 695.347760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.347760][ T10] [ 695.349702][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 695.349702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.349702][ T10] ipv6_find_idev+0x102/0x170 [ 695.349702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.349702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.349702][ T10] netlink_rcv_skb+0x130/0x360 [ 695.349702][ T10] netlink_unicast+0x449/0x710 [ 695.349702][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.349702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.349702][ T10] ___sys_sendmsg+0xee/0x170 [ 695.349702][ T10] __sys_sendmsg+0xcd/0x170 [ 695.349702][ T10] do_syscall_64+0xc6/0x1e0 [ 695.349702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.349702][ T10] [ 695.351235][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 695.351235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.351235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.351235][ T10] ipv6_find_idev+0x102/0x170 [ 695.351235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.351235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.351235][ T10] netlink_rcv_skb+0x130/0x360 [ 695.351235][ T10] netlink_unicast+0x449/0x710 [ 695.351235][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.351235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.351235][ T10] ___sys_sendmsg+0xee/0x170 [ 695.351235][ T10] __sys_sendmsg+0xcd/0x170 [ 695.351235][ T10] do_syscall_64+0xc6/0x1e0 [ 695.351235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.351235][ T10] [ 695.352904][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 695.353617][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 695.353617][ T10] netdev_get_by_index+0x5e/0x80 [ 695.353617][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.353617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.353617][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.353617][ T10] ipv6_add_addr+0x411/0x2000 [ 695.353617][ T10] inet6_addr_add+0x30e/0xa40 [ 695.353617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.353617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.353617][ T10] netlink_rcv_skb+0x130/0x360 [ 695.353617][ T10] netlink_unicast+0x449/0x710 [ 695.353617][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.353617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.353617][ T10] ___sys_sendmsg+0xee/0x170 [ 695.353617][ T10] __sys_sendmsg+0xcd/0x170 [ 695.353617][ T10] do_syscall_64+0xc6/0x1e0 [ 695.353617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.353617][ T10] [ 695.355540][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 695.355540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.355540][ T10] ipv6_find_idev+0x102/0x170 [ 695.355540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.355540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.355540][ T10] netlink_rcv_skb+0x130/0x360 [ 695.355540][ T10] netlink_unicast+0x449/0x710 [ 695.355540][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.355540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.355540][ T10] ___sys_sendmsg+0xee/0x170 [ 695.355540][ T10] __sys_sendmsg+0xcd/0x170 [ 695.355540][ T10] do_syscall_64+0xc6/0x1e0 [ 695.355540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.355540][ T10] [ 695.357011][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 695.357011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.357011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.357011][ T10] ipv6_find_idev+0x102/0x170 [ 695.357011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.357011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.357011][ T10] netlink_rcv_skb+0x130/0x360 [ 695.357011][ T10] netlink_unicast+0x449/0x710 [ 695.357011][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.357011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.357011][ T10] ___sys_sendmsg+0xee/0x170 [ 695.357011][ T10] __sys_sendmsg+0xcd/0x170 [ 695.357011][ T10] do_syscall_64+0xc6/0x1e0 [ 695.357011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.357011][ T10] [ 695.358692][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 695.358952][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 695.358952][ T10] netdev_get_by_index+0x5e/0x80 [ 695.358952][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.358952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.358952][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.358952][ T10] ipv6_add_addr+0x411/0x2000 [ 695.358952][ T10] inet6_addr_add+0x30e/0xa40 [ 695.358952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.358952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.358952][ T10] netlink_rcv_skb+0x130/0x360 [ 695.358952][ T10] netlink_unicast+0x449/0x710 [ 695.358952][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.358952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.358952][ T10] ___sys_sendmsg+0xee/0x170 [ 695.358952][ T10] __sys_sendmsg+0xcd/0x170 [ 695.358952][ T10] do_syscall_64+0xc6/0x1e0 [ 695.358952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.358952][ T10] [ 695.360895][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 695.360895][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.360895][ T10] ipv6_find_idev+0x102/0x170 [ 695.360895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.360895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.360895][ T10] netlink_rcv_skb+0x130/0x360 [ 695.360895][ T10] netlink_unicast+0x449/0x710 [ 695.360895][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.360895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.360895][ T10] ___sys_sendmsg+0xee/0x170 [ 695.360895][ T10] __sys_sendmsg+0xcd/0x170 [ 695.360895][ T10] do_syscall_64+0xc6/0x1e0 [ 695.360895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.360895][ T10] [ 695.362429][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 695.362429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.362429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.362429][ T10] ipv6_find_idev+0x102/0x170 [ 695.362429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.362429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.362429][ T10] netlink_rcv_skb+0x130/0x360 [ 695.362429][ T10] netlink_unicast+0x449/0x710 [ 695.362429][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.362429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.362429][ T10] ___sys_sendmsg+0xee/0x170 [ 695.362429][ T10] __sys_sendmsg+0xcd/0x170 [ 695.362429][ T10] do_syscall_64+0xc6/0x1e0 [ 695.362429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.362429][ T10] [ 695.364295][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 695.364560][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 695.364560][ T10] netdev_get_by_index+0x5e/0x80 [ 695.364560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.364560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.364560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.364560][ T10] ipv6_add_addr+0x411/0x2000 [ 695.364560][ T10] inet6_addr_add+0x30e/0xa40 [ 695.364560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.364560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.364560][ T10] netlink_rcv_skb+0x130/0x360 [ 695.364560][ T10] netlink_unicast+0x449/0x710 [ 695.364560][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.364560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.364560][ T10] ___sys_sendmsg+0xee/0x170 [ 695.364560][ T10] __sys_sendmsg+0xcd/0x170 [ 695.364560][ T10] do_syscall_64+0xc6/0x1e0 [ 695.364560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.364560][ T10] [ 695.366817][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 695.366817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.366817][ T10] ipv6_find_idev+0x102/0x170 [ 695.366817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.366817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.366817][ T10] netlink_rcv_skb+0x130/0x360 [ 695.366817][ T10] netlink_unicast+0x449/0x710 [ 695.366817][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.366817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.366817][ T10] ___sys_sendmsg+0xee/0x170 [ 695.366817][ T10] __sys_sendmsg+0xcd/0x170 [ 695.366817][ T10] do_syscall_64+0xc6/0x1e0 [ 695.366817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.366817][ T10] [ 695.368467][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 695.368467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.368467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.368467][ T10] ipv6_find_idev+0x102/0x170 [ 695.368467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.368467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.368467][ T10] netlink_rcv_skb+0x130/0x360 [ 695.368467][ T10] netlink_unicast+0x449/0x710 [ 695.368467][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.368467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.368467][ T10] ___sys_sendmsg+0xee/0x170 [ 695.368467][ T10] __sys_sendmsg+0xcd/0x170 [ 695.368467][ T10] do_syscall_64+0xc6/0x1e0 [ 695.368467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.368467][ T10] [ 695.370242][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 695.370510][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 695.370510][ T10] netdev_get_by_index+0x5e/0x80 [ 695.370510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.370510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.370510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.370510][ T10] ipv6_add_addr+0x411/0x2000 [ 695.370510][ T10] inet6_addr_add+0x30e/0xa40 [ 695.370510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.370510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.370510][ T10] netlink_rcv_skb+0x130/0x360 [ 695.370510][ T10] netlink_unicast+0x449/0x710 [ 695.370510][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.370510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.370510][ T10] ___sys_sendmsg+0xee/0x170 [ 695.370510][ T10] __sys_sendmsg+0xcd/0x170 [ 695.370510][ T10] do_syscall_64+0xc6/0x1e0 [ 695.370510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.370510][ T10] [ 695.372639][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 695.372639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.372639][ T10] ipv6_find_idev+0x102/0x170 [ 695.372639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.372639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.372639][ T10] netlink_rcv_skb+0x130/0x360 [ 695.372639][ T10] netlink_unicast+0x449/0x710 [ 695.372639][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.372639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.372639][ T10] ___sys_sendmsg+0xee/0x170 [ 695.372639][ T10] __sys_sendmsg+0xcd/0x170 [ 695.372639][ T10] do_syscall_64+0xc6/0x1e0 [ 695.372639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.372639][ T10] [ 695.374290][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 695.374290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.374290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.374290][ T10] ipv6_find_idev+0x102/0x170 [ 695.374290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.374290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.374290][ T10] netlink_rcv_skb+0x130/0x360 [ 695.374290][ T10] netlink_unicast+0x449/0x710 [ 695.374290][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.374290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.374290][ T10] ___sys_sendmsg+0xee/0x170 [ 695.374290][ T10] __sys_sendmsg+0xcd/0x170 [ 695.374290][ T10] do_syscall_64+0xc6/0x1e0 [ 695.374290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.374290][ T10] [ 695.376255][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 695.376579][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 695.376579][ T10] netdev_get_by_index+0x5e/0x80 [ 695.376579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.376579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.376579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.376579][ T10] ipv6_add_addr+0x411/0x2000 [ 695.376579][ T10] inet6_addr_add+0x30e/0xa40 [ 695.376579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.376579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.376579][ T10] netlink_rcv_skb+0x130/0x360 [ 695.376579][ T10] netlink_unicast+0x449/0x710 [ 695.376579][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.376579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.376579][ T10] ___sys_sendmsg+0xee/0x170 [ 695.376579][ T10] __sys_sendmsg+0xcd/0x170 [ 695.376579][ T10] do_syscall_64+0xc6/0x1e0 [ 695.376579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.376579][ T10] [ 695.378697][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 695.378697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.378697][ T10] ipv6_find_idev+0x102/0x170 [ 695.378697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.378697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.378697][ T10] netlink_rcv_skb+0x130/0x360 [ 695.378697][ T10] netlink_unicast+0x449/0x710 [ 695.378697][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.378697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.378697][ T10] ___sys_sendmsg+0xee/0x170 [ 695.378697][ T10] __sys_sendmsg+0xcd/0x170 [ 695.378697][ T10] do_syscall_64+0xc6/0x1e0 [ 695.378697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.378697][ T10] [ 695.380401][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 695.380401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.380401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.380401][ T10] ipv6_find_idev+0x102/0x170 [ 695.380401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.380401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.380401][ T10] netlink_rcv_skb+0x130/0x360 [ 695.380401][ T10] netlink_unicast+0x449/0x710 [ 695.380401][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.380401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.380401][ T10] ___sys_sendmsg+0xee/0x170 [ 695.380401][ T10] __sys_sendmsg+0xcd/0x170 [ 695.380401][ T10] do_syscall_64+0xc6/0x1e0 [ 695.380401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.380401][ T10] [ 705.384241][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 705.384622][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 705.384622][ T10] netdev_get_by_index+0x5e/0x80 [ 705.384622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.384622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.384622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.384622][ T10] ipv6_add_addr+0x411/0x2000 [ 705.384622][ T10] inet6_addr_add+0x30e/0xa40 [ 705.384622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.384622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.384622][ T10] netlink_rcv_skb+0x130/0x360 [ 705.384622][ T10] netlink_unicast+0x449/0x710 [ 705.384622][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.384622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.384622][ T10] ___sys_sendmsg+0xee/0x170 [ 705.384622][ T10] __sys_sendmsg+0xcd/0x170 [ 705.384622][ T10] do_syscall_64+0xc6/0x1e0 [ 705.384622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.384622][ T10] [ 705.386617][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 705.386617][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.386617][ T10] ipv6_find_idev+0x102/0x170 [ 705.386617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.386617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.386617][ T10] netlink_rcv_skb+0x130/0x360 [ 705.386617][ T10] netlink_unicast+0x449/0x710 [ 705.386617][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.386617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.386617][ T10] ___sys_sendmsg+0xee/0x170 [ 705.386617][ T10] __sys_sendmsg+0xcd/0x170 [ 705.386617][ T10] do_syscall_64+0xc6/0x1e0 [ 705.386617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.386617][ T10] [ 705.388162][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 705.388162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.388162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.388162][ T10] ipv6_find_idev+0x102/0x170 [ 705.388162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.388162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.388162][ T10] netlink_rcv_skb+0x130/0x360 [ 705.388162][ T10] netlink_unicast+0x449/0x710 [ 705.388162][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.388162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.388162][ T10] ___sys_sendmsg+0xee/0x170 [ 705.388162][ T10] __sys_sendmsg+0xcd/0x170 [ 705.388162][ T10] do_syscall_64+0xc6/0x1e0 [ 705.388162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.388162][ T10] [ 705.389856][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 705.390137][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 705.390137][ T10] netdev_get_by_index+0x5e/0x80 [ 705.390137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.390137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.390137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.390137][ T10] ipv6_add_addr+0x411/0x2000 [ 705.390137][ T10] inet6_addr_add+0x30e/0xa40 [ 705.390137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.390137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.390137][ T10] netlink_rcv_skb+0x130/0x360 [ 705.390137][ T10] netlink_unicast+0x449/0x710 [ 705.390137][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.390137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.390137][ T10] ___sys_sendmsg+0xee/0x170 [ 705.390137][ T10] __sys_sendmsg+0xcd/0x170 [ 705.390137][ T10] do_syscall_64+0xc6/0x1e0 [ 705.390137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.390137][ T10] [ 705.392175][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 705.392175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.392175][ T10] ipv6_find_idev+0x102/0x170 [ 705.392175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.392175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.392175][ T10] netlink_rcv_skb+0x130/0x360 [ 705.392175][ T10] netlink_unicast+0x449/0x710 [ 705.392175][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.392175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.392175][ T10] ___sys_sendmsg+0xee/0x170 [ 705.392175][ T10] __sys_sendmsg+0xcd/0x170 [ 705.392175][ T10] do_syscall_64+0xc6/0x1e0 [ 705.392175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.392175][ T10] [ 705.393714][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 705.393714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.393714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.393714][ T10] ipv6_find_idev+0x102/0x170 [ 705.393714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.393714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.393714][ T10] netlink_rcv_skb+0x130/0x360 [ 705.393714][ T10] netlink_unicast+0x449/0x710 [ 705.393714][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.393714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.393714][ T10] ___sys_sendmsg+0xee/0x170 [ 705.393714][ T10] __sys_sendmsg+0xcd/0x170 [ 705.393714][ T10] do_syscall_64+0xc6/0x1e0 [ 705.393714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.393714][ T10] [ 705.395509][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 705.395831][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 705.395831][ T10] netdev_get_by_index+0x5e/0x80 [ 705.395831][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.395831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.395831][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.395831][ T10] ipv6_add_addr+0x411/0x2000 [ 705.395831][ T10] inet6_addr_add+0x30e/0xa40 [ 705.395831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.395831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.395831][ T10] netlink_rcv_skb+0x130/0x360 [ 705.395831][ T10] netlink_unicast+0x449/0x710 [ 705.395831][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.395831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.395831][ T10] ___sys_sendmsg+0xee/0x170 [ 705.395831][ T10] __sys_sendmsg+0xcd/0x170 [ 705.395831][ T10] do_syscall_64+0xc6/0x1e0 [ 705.395831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.395831][ T10] [ 705.398167][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 705.398167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.398167][ T10] ipv6_find_idev+0x102/0x170 [ 705.398167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.398167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.398167][ T10] netlink_rcv_skb+0x130/0x360 [ 705.398167][ T10] netlink_unicast+0x449/0x710 [ 705.398167][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.398167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.398167][ T10] ___sys_sendmsg+0xee/0x170 [ 705.398167][ T10] __sys_sendmsg+0xcd/0x170 [ 705.398167][ T10] do_syscall_64+0xc6/0x1e0 [ 705.398167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.398167][ T10] [ 705.399833][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 705.399833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.399833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.399833][ T10] ipv6_find_idev+0x102/0x170 [ 705.399833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.399833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.399833][ T10] netlink_rcv_skb+0x130/0x360 [ 705.399833][ T10] netlink_unicast+0x449/0x710 [ 705.399833][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.399833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.399833][ T10] ___sys_sendmsg+0xee/0x170 [ 705.399833][ T10] __sys_sendmsg+0xcd/0x170 [ 705.399833][ T10] do_syscall_64+0xc6/0x1e0 [ 705.399833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.399833][ T10] [ 705.401762][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 705.402086][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 705.402086][ T10] netdev_get_by_index+0x5e/0x80 [ 705.402086][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.402086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.402086][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.402086][ T10] ipv6_add_addr+0x411/0x2000 [ 705.402086][ T10] inet6_addr_add+0x30e/0xa40 [ 705.402086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.402086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.402086][ T10] netlink_rcv_skb+0x130/0x360 [ 705.402086][ T10] netlink_unicast+0x449/0x710 [ 705.402086][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.402086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.402086][ T10] ___sys_sendmsg+0xee/0x170 [ 705.402086][ T10] __sys_sendmsg+0xcd/0x170 [ 705.402086][ T10] do_syscall_64+0xc6/0x1e0 [ 705.402086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.402086][ T10] [ 705.404079][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 705.404079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.404079][ T10] ipv6_find_idev+0x102/0x170 [ 705.404079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.404079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.404079][ T10] netlink_rcv_skb+0x130/0x360 [ 705.404079][ T10] netlink_unicast+0x449/0x710 [ 705.404079][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.404079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.404079][ T10] ___sys_sendmsg+0xee/0x170 [ 705.404079][ T10] __sys_sendmsg+0xcd/0x170 [ 705.404079][ T10] do_syscall_64+0xc6/0x1e0 [ 705.404079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.404079][ T10] [ 705.405598][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 705.405598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.405598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.405598][ T10] ipv6_find_idev+0x102/0x170 [ 705.405598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.405598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.405598][ T10] netlink_rcv_skb+0x130/0x360 [ 705.405598][ T10] netlink_unicast+0x449/0x710 [ 705.405598][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.405598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.405598][ T10] ___sys_sendmsg+0xee/0x170 [ 705.405598][ T10] __sys_sendmsg+0xcd/0x170 [ 705.405598][ T10] do_syscall_64+0xc6/0x1e0 [ 705.405598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.405598][ T10] [ 705.407504][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 705.407828][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 705.407828][ T10] netdev_get_by_index+0x5e/0x80 [ 705.407828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.407828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.407828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.407828][ T10] ipv6_add_addr+0x411/0x2000 [ 705.407828][ T10] inet6_addr_add+0x30e/0xa40 [ 705.407828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.407828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.407828][ T10] netlink_rcv_skb+0x130/0x360 [ 705.407828][ T10] netlink_unicast+0x449/0x710 [ 705.407828][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.407828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.407828][ T10] ___sys_sendmsg+0xee/0x170 [ 705.407828][ T10] __sys_sendmsg+0xcd/0x170 [ 705.407828][ T10] do_syscall_64+0xc6/0x1e0 [ 705.407828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.407828][ T10] [ 705.409968][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 705.409968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.409968][ T10] ipv6_find_idev+0x102/0x170 [ 705.409968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.409968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.409968][ T10] netlink_rcv_skb+0x130/0x360 [ 705.409968][ T10] netlink_unicast+0x449/0x710 [ 705.409968][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.409968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.409968][ T10] ___sys_sendmsg+0xee/0x170 [ 705.409968][ T10] __sys_sendmsg+0xcd/0x170 [ 705.409968][ T10] do_syscall_64+0xc6/0x1e0 [ 705.409968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.409968][ T10] [ 705.411575][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 705.411575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.411575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.411575][ T10] ipv6_find_idev+0x102/0x170 [ 705.411575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.411575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.411575][ T10] netlink_rcv_skb+0x130/0x360 [ 705.411575][ T10] netlink_unicast+0x449/0x710 [ 705.411575][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.411575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.411575][ T10] ___sys_sendmsg+0xee/0x170 [ 705.411575][ T10] __sys_sendmsg+0xcd/0x170 [ 705.411575][ T10] do_syscall_64+0xc6/0x1e0 [ 705.411575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.411575][ T10] [ 705.413438][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 705.413696][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 705.413696][ T10] netdev_get_by_index+0x5e/0x80 [ 705.413696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.413696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.413696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.413696][ T10] ipv6_add_addr+0x411/0x2000 [ 705.413696][ T10] inet6_addr_add+0x30e/0xa40 [ 705.413696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.413696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.413696][ T10] netlink_rcv_skb+0x130/0x360 [ 705.413696][ T10] netlink_unicast+0x449/0x710 [ 705.413696][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.413696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.413696][ T10] ___sys_sendmsg+0xee/0x170 [ 705.413696][ T10] __sys_sendmsg+0xcd/0x170 [ 705.413696][ T10] do_syscall_64+0xc6/0x1e0 [ 705.413696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.413696][ T10] [ 705.415816][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 705.415816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.415816][ T10] ipv6_find_idev+0x102/0x170 [ 705.415816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.415816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.415816][ T10] netlink_rcv_skb+0x130/0x360 [ 705.415816][ T10] netlink_unicast+0x449/0x710 [ 705.415816][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.415816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.415816][ T10] ___sys_sendmsg+0xee/0x170 [ 705.415816][ T10] __sys_sendmsg+0xcd/0x170 [ 705.415816][ T10] do_syscall_64+0xc6/0x1e0 [ 705.415816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.415816][ T10] [ 705.417329][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 705.417329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.417329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.417329][ T10] ipv6_find_idev+0x102/0x170 [ 705.417329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.417329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.417329][ T10] netlink_rcv_skb+0x130/0x360 [ 705.417329][ T10] netlink_unicast+0x449/0x710 [ 705.417329][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.417329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.417329][ T10] ___sys_sendmsg+0xee/0x170 [ 705.417329][ T10] __sys_sendmsg+0xcd/0x170 [ 705.417329][ T10] do_syscall_64+0xc6/0x1e0 [ 705.417329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.417329][ T10] [ 705.419140][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 705.419398][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 705.419398][ T10] netdev_get_by_index+0x5e/0x80 [ 705.419398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.419398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.419398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.419398][ T10] ipv6_add_addr+0x411/0x2000 [ 705.419398][ T10] inet6_addr_add+0x30e/0xa40 [ 705.419398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.419398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.419398][ T10] netlink_rcv_skb+0x130/0x360 [ 705.419398][ T10] netlink_unicast+0x449/0x710 [ 705.419398][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.419398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.419398][ T10] ___sys_sendmsg+0xee/0x170 [ 705.419398][ T10] __sys_sendmsg+0xcd/0x170 [ 705.419398][ T10] do_syscall_64+0xc6/0x1e0 [ 705.419398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.419398][ T10] [ 705.421605][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 705.421605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.421605][ T10] ipv6_find_idev+0x102/0x170 [ 705.421605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.421605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.421605][ T10] netlink_rcv_skb+0x130/0x360 [ 705.421605][ T10] netlink_unicast+0x449/0x710 [ 705.421605][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.421605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.421605][ T10] ___sys_sendmsg+0xee/0x170 [ 705.421605][ T10] __sys_sendmsg+0xcd/0x170 [ 705.421605][ T10] do_syscall_64+0xc6/0x1e0 [ 705.421605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.421605][ T10] [ 705.423354][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 705.423354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.423354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.423354][ T10] ipv6_find_idev+0x102/0x170 [ 705.423354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.423354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.423354][ T10] netlink_rcv_skb+0x130/0x360 [ 705.423354][ T10] netlink_unicast+0x449/0x710 [ 705.423354][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.423354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.423354][ T10] ___sys_sendmsg+0xee/0x170 [ 705.423354][ T10] __sys_sendmsg+0xcd/0x170 [ 705.423354][ T10] do_syscall_64+0xc6/0x1e0 [ 705.423354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.423354][ T10] [ 705.425300][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 705.425570][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 705.425570][ T10] netdev_get_by_index+0x5e/0x80 [ 705.425570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.425570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.425570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.425570][ T10] ipv6_add_addr+0x411/0x2000 [ 705.425570][ T10] inet6_addr_add+0x30e/0xa40 [ 705.425570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.425570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.425570][ T10] netlink_rcv_skb+0x130/0x360 [ 705.425570][ T10] netlink_unicast+0x449/0x710 [ 705.425570][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.425570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.425570][ T10] ___sys_sendmsg+0xee/0x170 [ 705.425570][ T10] __sys_sendmsg+0xcd/0x170 [ 705.425570][ T10] do_syscall_64+0xc6/0x1e0 [ 705.425570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.425570][ T10] [ 705.427730][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 705.427730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.427730][ T10] ipv6_find_idev+0x102/0x170 [ 705.427730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.427730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.427730][ T10] netlink_rcv_skb+0x130/0x360 [ 705.427730][ T10] netlink_unicast+0x449/0x710 [ 705.427730][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.427730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.427730][ T10] ___sys_sendmsg+0xee/0x170 [ 705.427730][ T10] __sys_sendmsg+0xcd/0x170 [ 705.427730][ T10] do_syscall_64+0xc6/0x1e0 [ 705.427730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.427730][ T10] [ 705.429326][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 705.429326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 705.429326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 705.429326][ T10] ipv6_find_idev+0x102/0x170 [ 705.429326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.429326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.429326][ T10] netlink_rcv_skb+0x130/0x360 [ 705.429326][ T10] netlink_unicast+0x449/0x710 [ 705.429326][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.429326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.429326][ T10] ___sys_sendmsg+0xee/0x170 [ 705.429326][ T10] __sys_sendmsg+0xcd/0x170 [ 705.429326][ T10] do_syscall_64+0xc6/0x1e0 [ 705.429326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.429326][ T10] [ 715.464279][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 715.464943][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 715.464943][ T10] netdev_get_by_index+0x5e/0x80 [ 715.464943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.464943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.464943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.464943][ T10] ipv6_add_addr+0x411/0x2000 [ 715.464943][ T10] inet6_addr_add+0x30e/0xa40 [ 715.464943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.464943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.464943][ T10] netlink_rcv_skb+0x130/0x360 [ 715.464943][ T10] netlink_unicast+0x449/0x710 [ 715.464943][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.464943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.464943][ T10] ___sys_sendmsg+0xee/0x170 [ 715.464943][ T10] __sys_sendmsg+0xcd/0x170 [ 715.464943][ T10] do_syscall_64+0xc6/0x1e0 [ 715.464943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.464943][ T10] [ 715.466927][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 715.466927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.466927][ T10] ipv6_find_idev+0x102/0x170 [ 715.466927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.466927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.466927][ T10] netlink_rcv_skb+0x130/0x360 [ 715.466927][ T10] netlink_unicast+0x449/0x710 [ 715.466927][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.466927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.466927][ T10] ___sys_sendmsg+0xee/0x170 [ 715.466927][ T10] __sys_sendmsg+0xcd/0x170 [ 715.466927][ T10] do_syscall_64+0xc6/0x1e0 [ 715.466927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.466927][ T10] [ 715.468463][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 715.468463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.468463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.468463][ T10] ipv6_find_idev+0x102/0x170 [ 715.468463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.468463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.468463][ T10] netlink_rcv_skb+0x130/0x360 [ 715.468463][ T10] netlink_unicast+0x449/0x710 [ 715.468463][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.468463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.468463][ T10] ___sys_sendmsg+0xee/0x170 [ 715.468463][ T10] __sys_sendmsg+0xcd/0x170 [ 715.468463][ T10] do_syscall_64+0xc6/0x1e0 [ 715.468463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.468463][ T10] [ 715.470157][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 715.470432][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 715.470432][ T10] netdev_get_by_index+0x5e/0x80 [ 715.470432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.470432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.470432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.470432][ T10] ipv6_add_addr+0x411/0x2000 [ 715.470432][ T10] inet6_addr_add+0x30e/0xa40 [ 715.470432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.470432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.470432][ T10] netlink_rcv_skb+0x130/0x360 [ 715.470432][ T10] netlink_unicast+0x449/0x710 [ 715.470432][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.470432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.470432][ T10] ___sys_sendmsg+0xee/0x170 [ 715.470432][ T10] __sys_sendmsg+0xcd/0x170 [ 715.470432][ T10] do_syscall_64+0xc6/0x1e0 [ 715.470432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.470432][ T10] [ 715.472394][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 715.472394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.472394][ T10] ipv6_find_idev+0x102/0x170 [ 715.472394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.472394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.472394][ T10] netlink_rcv_skb+0x130/0x360 [ 715.472394][ T10] netlink_unicast+0x449/0x710 [ 715.472394][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.472394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.472394][ T10] ___sys_sendmsg+0xee/0x170 [ 715.472394][ T10] __sys_sendmsg+0xcd/0x170 [ 715.472394][ T10] do_syscall_64+0xc6/0x1e0 [ 715.472394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.472394][ T10] [ 715.473938][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 715.473938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.473938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.473938][ T10] ipv6_find_idev+0x102/0x170 [ 715.473938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.473938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.473938][ T10] netlink_rcv_skb+0x130/0x360 [ 715.473938][ T10] netlink_unicast+0x449/0x710 [ 715.473938][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.473938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.473938][ T10] ___sys_sendmsg+0xee/0x170 [ 715.473938][ T10] __sys_sendmsg+0xcd/0x170 [ 715.473938][ T10] do_syscall_64+0xc6/0x1e0 [ 715.473938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.473938][ T10] [ 715.475560][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 715.475843][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 715.475843][ T10] netdev_get_by_index+0x5e/0x80 [ 715.475843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.475843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.475843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.475843][ T10] ipv6_add_addr+0x411/0x2000 [ 715.475843][ T10] inet6_addr_add+0x30e/0xa40 [ 715.475843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.475843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.475843][ T10] netlink_rcv_skb+0x130/0x360 [ 715.475843][ T10] netlink_unicast+0x449/0x710 [ 715.475843][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.475843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.475843][ T10] ___sys_sendmsg+0xee/0x170 [ 715.475843][ T10] __sys_sendmsg+0xcd/0x170 [ 715.475843][ T10] do_syscall_64+0xc6/0x1e0 [ 715.475843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.475843][ T10] [ 715.477825][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 715.477825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.477825][ T10] ipv6_find_idev+0x102/0x170 [ 715.477825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.477825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.477825][ T10] netlink_rcv_skb+0x130/0x360 [ 715.477825][ T10] netlink_unicast+0x449/0x710 [ 715.477825][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.477825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.477825][ T10] ___sys_sendmsg+0xee/0x170 [ 715.477825][ T10] __sys_sendmsg+0xcd/0x170 [ 715.477825][ T10] do_syscall_64+0xc6/0x1e0 [ 715.477825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.477825][ T10] [ 715.479353][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 715.479353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.479353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.479353][ T10] ipv6_find_idev+0x102/0x170 [ 715.479353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.479353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.479353][ T10] netlink_rcv_skb+0x130/0x360 [ 715.479353][ T10] netlink_unicast+0x449/0x710 [ 715.479353][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.479353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.479353][ T10] ___sys_sendmsg+0xee/0x170 [ 715.479353][ T10] __sys_sendmsg+0xcd/0x170 [ 715.479353][ T10] do_syscall_64+0xc6/0x1e0 [ 715.479353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.479353][ T10] [ 715.480975][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 715.481246][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 715.481246][ T10] netdev_get_by_index+0x5e/0x80 [ 715.481246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.481246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.481246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.481246][ T10] ipv6_add_addr+0x411/0x2000 [ 715.481246][ T10] inet6_addr_add+0x30e/0xa40 [ 715.481246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.481246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.481246][ T10] netlink_rcv_skb+0x130/0x360 [ 715.481246][ T10] netlink_unicast+0x449/0x710 [ 715.481246][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.481246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.481246][ T10] ___sys_sendmsg+0xee/0x170 [ 715.481246][ T10] __sys_sendmsg+0xcd/0x170 [ 715.481246][ T10] do_syscall_64+0xc6/0x1e0 [ 715.481246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.481246][ T10] [ 715.483242][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 715.483242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.483242][ T10] ipv6_find_idev+0x102/0x170 [ 715.483242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.483242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.483242][ T10] netlink_rcv_skb+0x130/0x360 [ 715.483242][ T10] netlink_unicast+0x449/0x710 [ 715.483242][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.483242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.483242][ T10] ___sys_sendmsg+0xee/0x170 [ 715.483242][ T10] __sys_sendmsg+0xcd/0x170 [ 715.483242][ T10] do_syscall_64+0xc6/0x1e0 [ 715.483242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.483242][ T10] [ 715.484740][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 715.484740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.484740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.484740][ T10] ipv6_find_idev+0x102/0x170 [ 715.484740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.484740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.484740][ T10] netlink_rcv_skb+0x130/0x360 [ 715.484740][ T10] netlink_unicast+0x449/0x710 [ 715.484740][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.484740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.484740][ T10] ___sys_sendmsg+0xee/0x170 [ 715.484740][ T10] __sys_sendmsg+0xcd/0x170 [ 715.484740][ T10] do_syscall_64+0xc6/0x1e0 [ 715.484740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.484740][ T10] [ 715.486349][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 715.486643][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 715.486643][ T10] netdev_get_by_index+0x5e/0x80 [ 715.486643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.486643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.486643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.486643][ T10] ipv6_add_addr+0x411/0x2000 [ 715.486643][ T10] inet6_addr_add+0x30e/0xa40 [ 715.486643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.486643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.486643][ T10] netlink_rcv_skb+0x130/0x360 [ 715.486643][ T10] netlink_unicast+0x449/0x710 [ 715.486643][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.486643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.486643][ T10] ___sys_sendmsg+0xee/0x170 [ 715.486643][ T10] __sys_sendmsg+0xcd/0x170 [ 715.486643][ T10] do_syscall_64+0xc6/0x1e0 [ 715.486643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.486643][ T10] [ 715.488588][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 715.488588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.488588][ T10] ipv6_find_idev+0x102/0x170 [ 715.488588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.488588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.488588][ T10] netlink_rcv_skb+0x130/0x360 [ 715.488588][ T10] netlink_unicast+0x449/0x710 [ 715.488588][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.488588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.488588][ T10] ___sys_sendmsg+0xee/0x170 [ 715.488588][ T10] __sys_sendmsg+0xcd/0x170 [ 715.488588][ T10] do_syscall_64+0xc6/0x1e0 [ 715.488588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.488588][ T10] [ 715.490174][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 715.490174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.490174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.490174][ T10] ipv6_find_idev+0x102/0x170 [ 715.490174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.490174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.490174][ T10] netlink_rcv_skb+0x130/0x360 [ 715.490174][ T10] netlink_unicast+0x449/0x710 [ 715.490174][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.490174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.490174][ T10] ___sys_sendmsg+0xee/0x170 [ 715.490174][ T10] __sys_sendmsg+0xcd/0x170 [ 715.490174][ T10] do_syscall_64+0xc6/0x1e0 [ 715.490174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.490174][ T10] [ 715.491994][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 715.492318][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 715.492318][ T10] netdev_get_by_index+0x5e/0x80 [ 715.492318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.492318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.492318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.492318][ T10] ipv6_add_addr+0x411/0x2000 [ 715.492318][ T10] inet6_addr_add+0x30e/0xa40 [ 715.492318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.492318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.492318][ T10] netlink_rcv_skb+0x130/0x360 [ 715.492318][ T10] netlink_unicast+0x449/0x710 [ 715.492318][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.492318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.492318][ T10] ___sys_sendmsg+0xee/0x170 [ 715.492318][ T10] __sys_sendmsg+0xcd/0x170 [ 715.492318][ T10] do_syscall_64+0xc6/0x1e0 [ 715.492318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.492318][ T10] [ 715.494522][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 715.494522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.494522][ T10] ipv6_find_idev+0x102/0x170 [ 715.494522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.494522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.494522][ T10] netlink_rcv_skb+0x130/0x360 [ 715.494522][ T10] netlink_unicast+0x449/0x710 [ 715.494522][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.494522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.494522][ T10] ___sys_sendmsg+0xee/0x170 [ 715.494522][ T10] __sys_sendmsg+0xcd/0x170 [ 715.494522][ T10] do_syscall_64+0xc6/0x1e0 [ 715.494522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.494522][ T10] [ 715.496189][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 715.496189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.496189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.496189][ T10] ipv6_find_idev+0x102/0x170 [ 715.496189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.496189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.496189][ T10] netlink_rcv_skb+0x130/0x360 [ 715.496189][ T10] netlink_unicast+0x449/0x710 [ 715.496189][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.496189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.496189][ T10] ___sys_sendmsg+0xee/0x170 [ 715.496189][ T10] __sys_sendmsg+0xcd/0x170 [ 715.496189][ T10] do_syscall_64+0xc6/0x1e0 [ 715.496189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.496189][ T10] [ 715.498014][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 715.498320][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 715.498320][ T10] netdev_get_by_index+0x5e/0x80 [ 715.498320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.498320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.498320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.498320][ T10] ipv6_add_addr+0x411/0x2000 [ 715.498320][ T10] inet6_addr_add+0x30e/0xa40 [ 715.498320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.498320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.498320][ T10] netlink_rcv_skb+0x130/0x360 [ 715.498320][ T10] netlink_unicast+0x449/0x710 [ 715.498320][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.498320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.498320][ T10] ___sys_sendmsg+0xee/0x170 [ 715.498320][ T10] __sys_sendmsg+0xcd/0x170 [ 715.498320][ T10] do_syscall_64+0xc6/0x1e0 [ 715.498320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.498320][ T10] [ 715.500445][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 715.500445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.500445][ T10] ipv6_find_idev+0x102/0x170 [ 715.500445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.500445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.500445][ T10] netlink_rcv_skb+0x130/0x360 [ 715.500445][ T10] netlink_unicast+0x449/0x710 [ 715.500445][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.500445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.500445][ T10] ___sys_sendmsg+0xee/0x170 [ 715.500445][ T10] __sys_sendmsg+0xcd/0x170 [ 715.500445][ T10] do_syscall_64+0xc6/0x1e0 [ 715.500445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.500445][ T10] [ 715.502144][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 715.502144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.502144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.502144][ T10] ipv6_find_idev+0x102/0x170 [ 715.502144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.502144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.502144][ T10] netlink_rcv_skb+0x130/0x360 [ 715.502144][ T10] netlink_unicast+0x449/0x710 [ 715.502144][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.502144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.502144][ T10] ___sys_sendmsg+0xee/0x170 [ 715.502144][ T10] __sys_sendmsg+0xcd/0x170 [ 715.502144][ T10] do_syscall_64+0xc6/0x1e0 [ 715.502144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.502144][ T10] [ 715.504020][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 715.504328][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 715.504328][ T10] netdev_get_by_index+0x5e/0x80 [ 715.504328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 715.504328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 715.504328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 715.504328][ T10] ipv6_add_addr+0x411/0x2000 [ 715.504328][ T10] inet6_addr_add+0x30e/0xa40 [ 715.504328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 715.504328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.504328][ T10] netlink_rcv_skb+0x130/0x360 [ 715.504328][ T10] netlink_unicast+0x449/0x710 [ 715.504328][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.504328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.504328][ T10] ___sys_sendmsg+0xee/0x170 [ 715.504328][ T10] __sys_sendmsg+0xcd/0x170 [ 715.504328][ T10] do_syscall_64+0xc6/0x1e0 [ 715.504328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.504328][ T10] [ 715.506522][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 715.506522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 715.506522][ T10] ipv6_find_idev+0x102/0x170 [ 715.506522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.506522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.506522][ T10] netlink_rcv_skb+0x130/0x360 [ 715.506522][ T10] netlink_unicast+0x449/0x710 [ 715.506522][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.506522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.506522][ T10] ___sys_sendmsg+0xee/0x170 [ 715.506522][ T10] __sys_sendmsg+0xcd/0x170 [ 715.506522][ T10] do_syscall_64+0xc6/0x1e0 [ 715.506522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.506522][ T10] [ 715.508156][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 715.508156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 715.508156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 715.508156][ T10] ipv6_find_idev+0x102/0x170 [ 715.508156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.508156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.508156][ T10] netlink_rcv_skb+0x130/0x360 [ 715.508156][ T10] netlink_unicast+0x449/0x710 [ 715.508156][ T10] netlink_sendmsg+0x723/0xbe0 [ 715.508156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 715.508156][ T10] ___sys_sendmsg+0xee/0x170 [ 715.508156][ T10] __sys_sendmsg+0xcd/0x170 [ 715.508156][ T10] do_syscall_64+0xc6/0x1e0 [ 715.508156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.508156][ T10] [ 725.760293][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 725.761065][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 725.761065][ T10] netdev_get_by_index+0x5e/0x80 [ 725.761065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.761065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.761065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.761065][ T10] ipv6_add_addr+0x411/0x2000 [ 725.761065][ T10] inet6_addr_add+0x30e/0xa40 [ 725.761065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.761065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.761065][ T10] netlink_rcv_skb+0x130/0x360 [ 725.761065][ T10] netlink_unicast+0x449/0x710 [ 725.761065][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.761065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.761065][ T10] ___sys_sendmsg+0xee/0x170 [ 725.761065][ T10] __sys_sendmsg+0xcd/0x170 [ 725.761065][ T10] do_syscall_64+0xc6/0x1e0 [ 725.761065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.761065][ T10] [ 725.763087][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 725.763087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.763087][ T10] ipv6_find_idev+0x102/0x170 [ 725.763087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.763087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.763087][ T10] netlink_rcv_skb+0x130/0x360 [ 725.763087][ T10] netlink_unicast+0x449/0x710 [ 725.763087][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.763087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.763087][ T10] ___sys_sendmsg+0xee/0x170 [ 725.763087][ T10] __sys_sendmsg+0xcd/0x170 [ 725.763087][ T10] do_syscall_64+0xc6/0x1e0 [ 725.763087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.763087][ T10] [ 725.764618][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 725.764618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.764618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.764618][ T10] ipv6_find_idev+0x102/0x170 [ 725.764618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.764618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.764618][ T10] netlink_rcv_skb+0x130/0x360 [ 725.764618][ T10] netlink_unicast+0x449/0x710 [ 725.764618][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.764618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.764618][ T10] ___sys_sendmsg+0xee/0x170 [ 725.764618][ T10] __sys_sendmsg+0xcd/0x170 [ 725.764618][ T10] do_syscall_64+0xc6/0x1e0 [ 725.764618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.764618][ T10] [ 725.766261][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 725.766525][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 725.766525][ T10] netdev_get_by_index+0x5e/0x80 [ 725.766525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.766525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.766525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.766525][ T10] ipv6_add_addr+0x411/0x2000 [ 725.766525][ T10] inet6_addr_add+0x30e/0xa40 [ 725.766525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.766525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.766525][ T10] netlink_rcv_skb+0x130/0x360 [ 725.766525][ T10] netlink_unicast+0x449/0x710 [ 725.766525][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.766525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.766525][ T10] ___sys_sendmsg+0xee/0x170 [ 725.766525][ T10] __sys_sendmsg+0xcd/0x170 [ 725.766525][ T10] do_syscall_64+0xc6/0x1e0 [ 725.766525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.766525][ T10] [ 725.768442][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 725.768442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.768442][ T10] ipv6_find_idev+0x102/0x170 [ 725.768442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.768442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.768442][ T10] netlink_rcv_skb+0x130/0x360 [ 725.768442][ T10] netlink_unicast+0x449/0x710 [ 725.768442][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.768442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.768442][ T10] ___sys_sendmsg+0xee/0x170 [ 725.768442][ T10] __sys_sendmsg+0xcd/0x170 [ 725.768442][ T10] do_syscall_64+0xc6/0x1e0 [ 725.768442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.768442][ T10] [ 725.769921][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 725.769921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.769921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.769921][ T10] ipv6_find_idev+0x102/0x170 [ 725.769921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.769921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.769921][ T10] netlink_rcv_skb+0x130/0x360 [ 725.769921][ T10] netlink_unicast+0x449/0x710 [ 725.769921][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.769921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.769921][ T10] ___sys_sendmsg+0xee/0x170 [ 725.769921][ T10] __sys_sendmsg+0xcd/0x170 [ 725.769921][ T10] do_syscall_64+0xc6/0x1e0 [ 725.769921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.769921][ T10] [ 725.771632][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 725.771896][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 725.771896][ T10] netdev_get_by_index+0x5e/0x80 [ 725.771896][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.771896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.771896][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.771896][ T10] ipv6_add_addr+0x411/0x2000 [ 725.771896][ T10] inet6_addr_add+0x30e/0xa40 [ 725.771896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.771896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.771896][ T10] netlink_rcv_skb+0x130/0x360 [ 725.771896][ T10] netlink_unicast+0x449/0x710 [ 725.771896][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.771896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.771896][ T10] ___sys_sendmsg+0xee/0x170 [ 725.771896][ T10] __sys_sendmsg+0xcd/0x170 [ 725.771896][ T10] do_syscall_64+0xc6/0x1e0 [ 725.771896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.771896][ T10] [ 725.773891][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 725.773891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.773891][ T10] ipv6_find_idev+0x102/0x170 [ 725.773891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.773891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.773891][ T10] netlink_rcv_skb+0x130/0x360 [ 725.773891][ T10] netlink_unicast+0x449/0x710 [ 725.773891][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.773891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.773891][ T10] ___sys_sendmsg+0xee/0x170 [ 725.773891][ T10] __sys_sendmsg+0xcd/0x170 [ 725.773891][ T10] do_syscall_64+0xc6/0x1e0 [ 725.773891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.773891][ T10] [ 725.775389][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 725.775389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.775389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.775389][ T10] ipv6_find_idev+0x102/0x170 [ 725.775389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.775389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.775389][ T10] netlink_rcv_skb+0x130/0x360 [ 725.775389][ T10] netlink_unicast+0x449/0x710 [ 725.775389][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.775389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.775389][ T10] ___sys_sendmsg+0xee/0x170 [ 725.775389][ T10] __sys_sendmsg+0xcd/0x170 [ 725.775389][ T10] do_syscall_64+0xc6/0x1e0 [ 725.775389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.775389][ T10] [ 725.777038][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 725.777305][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 725.777305][ T10] netdev_get_by_index+0x5e/0x80 [ 725.777305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.777305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.777305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.777305][ T10] ipv6_add_addr+0x411/0x2000 [ 725.777305][ T10] inet6_addr_add+0x30e/0xa40 [ 725.777305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.777305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.777305][ T10] netlink_rcv_skb+0x130/0x360 [ 725.777305][ T10] netlink_unicast+0x449/0x710 [ 725.777305][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.777305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.777305][ T10] ___sys_sendmsg+0xee/0x170 [ 725.777305][ T10] __sys_sendmsg+0xcd/0x170 [ 725.777305][ T10] do_syscall_64+0xc6/0x1e0 [ 725.777305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.777305][ T10] [ 725.779264][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 725.779264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.779264][ T10] ipv6_find_idev+0x102/0x170 [ 725.779264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.779264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.779264][ T10] netlink_rcv_skb+0x130/0x360 [ 725.779264][ T10] netlink_unicast+0x449/0x710 [ 725.779264][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.779264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.779264][ T10] ___sys_sendmsg+0xee/0x170 [ 725.779264][ T10] __sys_sendmsg+0xcd/0x170 [ 725.779264][ T10] do_syscall_64+0xc6/0x1e0 [ 725.779264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.779264][ T10] [ 725.780734][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 725.780734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.780734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.780734][ T10] ipv6_find_idev+0x102/0x170 [ 725.780734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.780734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.780734][ T10] netlink_rcv_skb+0x130/0x360 [ 725.780734][ T10] netlink_unicast+0x449/0x710 [ 725.780734][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.780734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.780734][ T10] ___sys_sendmsg+0xee/0x170 [ 725.780734][ T10] __sys_sendmsg+0xcd/0x170 [ 725.780734][ T10] do_syscall_64+0xc6/0x1e0 [ 725.780734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.780734][ T10] [ 725.782405][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 725.782692][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 725.782692][ T10] netdev_get_by_index+0x5e/0x80 [ 725.782692][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.782692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.782692][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.782692][ T10] ipv6_add_addr+0x411/0x2000 [ 725.782692][ T10] inet6_addr_add+0x30e/0xa40 [ 725.782692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.782692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.782692][ T10] netlink_rcv_skb+0x130/0x360 [ 725.782692][ T10] netlink_unicast+0x449/0x710 [ 725.782692][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.782692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.782692][ T10] ___sys_sendmsg+0xee/0x170 [ 725.782692][ T10] __sys_sendmsg+0xcd/0x170 [ 725.782692][ T10] do_syscall_64+0xc6/0x1e0 [ 725.782692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.782692][ T10] [ 725.784639][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 725.784639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.784639][ T10] ipv6_find_idev+0x102/0x170 [ 725.784639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.784639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.784639][ T10] netlink_rcv_skb+0x130/0x360 [ 725.784639][ T10] netlink_unicast+0x449/0x710 [ 725.784639][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.784639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.784639][ T10] ___sys_sendmsg+0xee/0x170 [ 725.784639][ T10] __sys_sendmsg+0xcd/0x170 [ 725.784639][ T10] do_syscall_64+0xc6/0x1e0 [ 725.784639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.784639][ T10] [ 725.786238][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 725.786238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.786238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.786238][ T10] ipv6_find_idev+0x102/0x170 [ 725.786238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.786238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.786238][ T10] netlink_rcv_skb+0x130/0x360 [ 725.786238][ T10] netlink_unicast+0x449/0x710 [ 725.786238][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.786238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.786238][ T10] ___sys_sendmsg+0xee/0x170 [ 725.786238][ T10] __sys_sendmsg+0xcd/0x170 [ 725.786238][ T10] do_syscall_64+0xc6/0x1e0 [ 725.786238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.786238][ T10] [ 725.788155][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 725.788426][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 725.788426][ T10] netdev_get_by_index+0x5e/0x80 [ 725.788426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.788426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.788426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.788426][ T10] ipv6_add_addr+0x411/0x2000 [ 725.788426][ T10] inet6_addr_add+0x30e/0xa40 [ 725.788426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.788426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.788426][ T10] netlink_rcv_skb+0x130/0x360 [ 725.788426][ T10] netlink_unicast+0x449/0x710 [ 725.788426][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.788426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.788426][ T10] ___sys_sendmsg+0xee/0x170 [ 725.788426][ T10] __sys_sendmsg+0xcd/0x170 [ 725.788426][ T10] do_syscall_64+0xc6/0x1e0 [ 725.788426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.788426][ T10] [ 725.790673][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 725.790673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.790673][ T10] ipv6_find_idev+0x102/0x170 [ 725.790673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.790673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.790673][ T10] netlink_rcv_skb+0x130/0x360 [ 725.790673][ T10] netlink_unicast+0x449/0x710 [ 725.790673][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.790673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.790673][ T10] ___sys_sendmsg+0xee/0x170 [ 725.790673][ T10] __sys_sendmsg+0xcd/0x170 [ 725.790673][ T10] do_syscall_64+0xc6/0x1e0 [ 725.790673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.790673][ T10] [ 725.792400][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 725.792400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.792400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.792400][ T10] ipv6_find_idev+0x102/0x170 [ 725.792400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.792400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.792400][ T10] netlink_rcv_skb+0x130/0x360 [ 725.792400][ T10] netlink_unicast+0x449/0x710 [ 725.792400][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.792400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.792400][ T10] ___sys_sendmsg+0xee/0x170 [ 725.792400][ T10] __sys_sendmsg+0xcd/0x170 [ 725.792400][ T10] do_syscall_64+0xc6/0x1e0 [ 725.792400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.792400][ T10] [ 725.794281][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 725.794540][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 725.794540][ T10] netdev_get_by_index+0x5e/0x80 [ 725.794540][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.794540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.794540][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.794540][ T10] ipv6_add_addr+0x411/0x2000 [ 725.794540][ T10] inet6_addr_add+0x30e/0xa40 [ 725.794540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.794540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.794540][ T10] netlink_rcv_skb+0x130/0x360 [ 725.794540][ T10] netlink_unicast+0x449/0x710 [ 725.794540][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.794540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.794540][ T10] ___sys_sendmsg+0xee/0x170 [ 725.794540][ T10] __sys_sendmsg+0xcd/0x170 [ 725.794540][ T10] do_syscall_64+0xc6/0x1e0 [ 725.794540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.794540][ T10] [ 725.796776][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 725.796776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.796776][ T10] ipv6_find_idev+0x102/0x170 [ 725.796776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.796776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.796776][ T10] netlink_rcv_skb+0x130/0x360 [ 725.796776][ T10] netlink_unicast+0x449/0x710 [ 725.796776][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.796776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.796776][ T10] ___sys_sendmsg+0xee/0x170 [ 725.796776][ T10] __sys_sendmsg+0xcd/0x170 [ 725.796776][ T10] do_syscall_64+0xc6/0x1e0 [ 725.796776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.796776][ T10] [ 725.798460][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 725.798460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.798460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.798460][ T10] ipv6_find_idev+0x102/0x170 [ 725.798460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.798460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.798460][ T10] netlink_rcv_skb+0x130/0x360 [ 725.798460][ T10] netlink_unicast+0x449/0x710 [ 725.798460][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.798460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.798460][ T10] ___sys_sendmsg+0xee/0x170 [ 725.798460][ T10] __sys_sendmsg+0xcd/0x170 [ 725.798460][ T10] do_syscall_64+0xc6/0x1e0 [ 725.798460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.798460][ T10] [ 725.800396][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 725.800657][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 725.800657][ T10] netdev_get_by_index+0x5e/0x80 [ 725.800657][ T10] fib6_nh_init+0x3d8/0x15b0 [ 725.800657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 725.800657][ T10] addrconf_f6i_alloc+0x244/0x410 [ 725.800657][ T10] ipv6_add_addr+0x411/0x2000 [ 725.800657][ T10] inet6_addr_add+0x30e/0xa40 [ 725.800657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 725.800657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.800657][ T10] netlink_rcv_skb+0x130/0x360 [ 725.800657][ T10] netlink_unicast+0x449/0x710 [ 725.800657][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.800657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.800657][ T10] ___sys_sendmsg+0xee/0x170 [ 725.800657][ T10] __sys_sendmsg+0xcd/0x170 [ 725.800657][ T10] do_syscall_64+0xc6/0x1e0 [ 725.800657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.800657][ T10] [ 725.802866][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 725.802866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 725.802866][ T10] ipv6_find_idev+0x102/0x170 [ 725.802866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.802866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.802866][ T10] netlink_rcv_skb+0x130/0x360 [ 725.802866][ T10] netlink_unicast+0x449/0x710 [ 725.802866][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.802866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.802866][ T10] ___sys_sendmsg+0xee/0x170 [ 725.802866][ T10] __sys_sendmsg+0xcd/0x170 [ 725.802866][ T10] do_syscall_64+0xc6/0x1e0 [ 725.802866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.802866][ T10] [ 725.804512][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 725.804512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 725.804512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 725.804512][ T10] ipv6_find_idev+0x102/0x170 [ 725.804512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.804512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.804512][ T10] netlink_rcv_skb+0x130/0x360 [ 725.804512][ T10] netlink_unicast+0x449/0x710 [ 725.804512][ T10] netlink_sendmsg+0x723/0xbe0 [ 725.804512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 725.804512][ T10] ___sys_sendmsg+0xee/0x170 [ 725.804512][ T10] __sys_sendmsg+0xcd/0x170 [ 725.804512][ T10] do_syscall_64+0xc6/0x1e0 [ 725.804512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.804512][ T10] [ 735.824223][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 735.824663][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 735.824663][ T10] netdev_get_by_index+0x5e/0x80 [ 735.824663][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.824663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.824663][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.824663][ T10] ipv6_add_addr+0x411/0x2000 [ 735.824663][ T10] inet6_addr_add+0x30e/0xa40 [ 735.824663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.824663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.824663][ T10] netlink_rcv_skb+0x130/0x360 [ 735.824663][ T10] netlink_unicast+0x449/0x710 [ 735.824663][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.824663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.824663][ T10] ___sys_sendmsg+0xee/0x170 [ 735.824663][ T10] __sys_sendmsg+0xcd/0x170 [ 735.824663][ T10] do_syscall_64+0xc6/0x1e0 [ 735.824663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.824663][ T10] [ 735.826922][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 735.826922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.826922][ T10] ipv6_find_idev+0x102/0x170 [ 735.826922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.826922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.826922][ T10] netlink_rcv_skb+0x130/0x360 [ 735.826922][ T10] netlink_unicast+0x449/0x710 [ 735.826922][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.826922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.826922][ T10] ___sys_sendmsg+0xee/0x170 [ 735.826922][ T10] __sys_sendmsg+0xcd/0x170 [ 735.826922][ T10] do_syscall_64+0xc6/0x1e0 [ 735.826922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.826922][ T10] [ 735.828601][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 735.828601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.828601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.828601][ T10] ipv6_find_idev+0x102/0x170 [ 735.828601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.828601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.828601][ T10] netlink_rcv_skb+0x130/0x360 [ 735.828601][ T10] netlink_unicast+0x449/0x710 [ 735.828601][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.828601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.828601][ T10] ___sys_sendmsg+0xee/0x170 [ 735.828601][ T10] __sys_sendmsg+0xcd/0x170 [ 735.828601][ T10] do_syscall_64+0xc6/0x1e0 [ 735.828601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.828601][ T10] [ 735.830476][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 735.830809][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 735.830809][ T10] netdev_get_by_index+0x5e/0x80 [ 735.830809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.830809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.830809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.830809][ T10] ipv6_add_addr+0x411/0x2000 [ 735.830809][ T10] inet6_addr_add+0x30e/0xa40 [ 735.830809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.830809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.830809][ T10] netlink_rcv_skb+0x130/0x360 [ 735.830809][ T10] netlink_unicast+0x449/0x710 [ 735.830809][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.830809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.830809][ T10] ___sys_sendmsg+0xee/0x170 [ 735.830809][ T10] __sys_sendmsg+0xcd/0x170 [ 735.830809][ T10] do_syscall_64+0xc6/0x1e0 [ 735.830809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.830809][ T10] [ 735.833066][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 735.833066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.833066][ T10] ipv6_find_idev+0x102/0x170 [ 735.833066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.833066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.833066][ T10] netlink_rcv_skb+0x130/0x360 [ 735.833066][ T10] netlink_unicast+0x449/0x710 [ 735.833066][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.833066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.833066][ T10] ___sys_sendmsg+0xee/0x170 [ 735.833066][ T10] __sys_sendmsg+0xcd/0x170 [ 735.833066][ T10] do_syscall_64+0xc6/0x1e0 [ 735.833066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.833066][ T10] [ 735.834798][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 735.834798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.834798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.834798][ T10] ipv6_find_idev+0x102/0x170 [ 735.834798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.834798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.834798][ T10] netlink_rcv_skb+0x130/0x360 [ 735.834798][ T10] netlink_unicast+0x449/0x710 [ 735.834798][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.834798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.834798][ T10] ___sys_sendmsg+0xee/0x170 [ 735.834798][ T10] __sys_sendmsg+0xcd/0x170 [ 735.834798][ T10] do_syscall_64+0xc6/0x1e0 [ 735.834798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.834798][ T10] [ 735.836691][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 735.837037][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 735.837037][ T10] netdev_get_by_index+0x5e/0x80 [ 735.837037][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.837037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.837037][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.837037][ T10] ipv6_add_addr+0x411/0x2000 [ 735.837037][ T10] inet6_addr_add+0x30e/0xa40 [ 735.837037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.837037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.837037][ T10] netlink_rcv_skb+0x130/0x360 [ 735.837037][ T10] netlink_unicast+0x449/0x710 [ 735.837037][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.837037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.837037][ T10] ___sys_sendmsg+0xee/0x170 [ 735.837037][ T10] __sys_sendmsg+0xcd/0x170 [ 735.837037][ T10] do_syscall_64+0xc6/0x1e0 [ 735.837037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.837037][ T10] [ 735.839234][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 735.839234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.839234][ T10] ipv6_find_idev+0x102/0x170 [ 735.839234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.839234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.839234][ T10] netlink_rcv_skb+0x130/0x360 [ 735.839234][ T10] netlink_unicast+0x449/0x710 [ 735.839234][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.839234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.839234][ T10] ___sys_sendmsg+0xee/0x170 [ 735.839234][ T10] __sys_sendmsg+0xcd/0x170 [ 735.839234][ T10] do_syscall_64+0xc6/0x1e0 [ 735.839234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.839234][ T10] [ 735.840971][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 735.840971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.840971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.840971][ T10] ipv6_find_idev+0x102/0x170 [ 735.840971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.840971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.840971][ T10] netlink_rcv_skb+0x130/0x360 [ 735.840971][ T10] netlink_unicast+0x449/0x710 [ 735.840971][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.840971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.840971][ T10] ___sys_sendmsg+0xee/0x170 [ 735.840971][ T10] __sys_sendmsg+0xcd/0x170 [ 735.840971][ T10] do_syscall_64+0xc6/0x1e0 [ 735.840971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.840971][ T10] [ 735.842841][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 735.843608][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 735.843608][ T10] netdev_get_by_index+0x5e/0x80 [ 735.843608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.843608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.843608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.843608][ T10] ipv6_add_addr+0x411/0x2000 [ 735.843608][ T10] inet6_addr_add+0x30e/0xa40 [ 735.843608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.843608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.843608][ T10] netlink_rcv_skb+0x130/0x360 [ 735.843608][ T10] netlink_unicast+0x449/0x710 [ 735.843608][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.843608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.843608][ T10] ___sys_sendmsg+0xee/0x170 [ 735.843608][ T10] __sys_sendmsg+0xcd/0x170 [ 735.843608][ T10] do_syscall_64+0xc6/0x1e0 [ 735.843608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.843608][ T10] [ 735.845831][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 735.845831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.845831][ T10] ipv6_find_idev+0x102/0x170 [ 735.845831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.845831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.845831][ T10] netlink_rcv_skb+0x130/0x360 [ 735.845831][ T10] netlink_unicast+0x449/0x710 [ 735.845831][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.845831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.845831][ T10] ___sys_sendmsg+0xee/0x170 [ 735.845831][ T10] __sys_sendmsg+0xcd/0x170 [ 735.845831][ T10] do_syscall_64+0xc6/0x1e0 [ 735.845831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.845831][ T10] [ 735.847600][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 735.847600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.847600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.847600][ T10] ipv6_find_idev+0x102/0x170 [ 735.847600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.847600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.847600][ T10] netlink_rcv_skb+0x130/0x360 [ 735.847600][ T10] netlink_unicast+0x449/0x710 [ 735.847600][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.847600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.847600][ T10] ___sys_sendmsg+0xee/0x170 [ 735.847600][ T10] __sys_sendmsg+0xcd/0x170 [ 735.847600][ T10] do_syscall_64+0xc6/0x1e0 [ 735.847600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.847600][ T10] [ 735.849519][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 735.849802][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 735.849802][ T10] netdev_get_by_index+0x5e/0x80 [ 735.849802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.849802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.849802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.849802][ T10] ipv6_add_addr+0x411/0x2000 [ 735.849802][ T10] inet6_addr_add+0x30e/0xa40 [ 735.849802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.849802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.849802][ T10] netlink_rcv_skb+0x130/0x360 [ 735.849802][ T10] netlink_unicast+0x449/0x710 [ 735.849802][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.849802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.849802][ T10] ___sys_sendmsg+0xee/0x170 [ 735.849802][ T10] __sys_sendmsg+0xcd/0x170 [ 735.849802][ T10] do_syscall_64+0xc6/0x1e0 [ 735.849802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.849802][ T10] [ 735.852052][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 735.852052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.852052][ T10] ipv6_find_idev+0x102/0x170 [ 735.852052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.852052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.852052][ T10] netlink_rcv_skb+0x130/0x360 [ 735.852052][ T10] netlink_unicast+0x449/0x710 [ 735.852052][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.852052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.852052][ T10] ___sys_sendmsg+0xee/0x170 [ 735.852052][ T10] __sys_sendmsg+0xcd/0x170 [ 735.852052][ T10] do_syscall_64+0xc6/0x1e0 [ 735.852052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.852052][ T10] [ 735.853784][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 735.853784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.853784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.853784][ T10] ipv6_find_idev+0x102/0x170 [ 735.853784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.853784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.853784][ T10] netlink_rcv_skb+0x130/0x360 [ 735.853784][ T10] netlink_unicast+0x449/0x710 [ 735.853784][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.853784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.853784][ T10] ___sys_sendmsg+0xee/0x170 [ 735.853784][ T10] __sys_sendmsg+0xcd/0x170 [ 735.853784][ T10] do_syscall_64+0xc6/0x1e0 [ 735.853784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.853784][ T10] [ 735.855717][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 735.856008][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 735.856008][ T10] netdev_get_by_index+0x5e/0x80 [ 735.856008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.856008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.856008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.856008][ T10] ipv6_add_addr+0x411/0x2000 [ 735.856008][ T10] inet6_addr_add+0x30e/0xa40 [ 735.856008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.856008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.856008][ T10] netlink_rcv_skb+0x130/0x360 [ 735.856008][ T10] netlink_unicast+0x449/0x710 [ 735.856008][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.856008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.856008][ T10] ___sys_sendmsg+0xee/0x170 [ 735.856008][ T10] __sys_sendmsg+0xcd/0x170 [ 735.856008][ T10] do_syscall_64+0xc6/0x1e0 [ 735.856008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.856008][ T10] [ 735.858192][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 735.858192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.858192][ T10] ipv6_find_idev+0x102/0x170 [ 735.858192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.858192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.858192][ T10] netlink_rcv_skb+0x130/0x360 [ 735.858192][ T10] netlink_unicast+0x449/0x710 [ 735.858192][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.858192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.858192][ T10] ___sys_sendmsg+0xee/0x170 [ 735.858192][ T10] __sys_sendmsg+0xcd/0x170 [ 735.858192][ T10] do_syscall_64+0xc6/0x1e0 [ 735.858192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.858192][ T10] [ 735.860076][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 735.860076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.860076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.860076][ T10] ipv6_find_idev+0x102/0x170 [ 735.860076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.860076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.860076][ T10] netlink_rcv_skb+0x130/0x360 [ 735.860076][ T10] netlink_unicast+0x449/0x710 [ 735.860076][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.860076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.860076][ T10] ___sys_sendmsg+0xee/0x170 [ 735.860076][ T10] __sys_sendmsg+0xcd/0x170 [ 735.860076][ T10] do_syscall_64+0xc6/0x1e0 [ 735.860076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.860076][ T10] [ 735.862319][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 735.862615][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 735.862615][ T10] netdev_get_by_index+0x5e/0x80 [ 735.862615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.862615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.862615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.862615][ T10] ipv6_add_addr+0x411/0x2000 [ 735.862615][ T10] inet6_addr_add+0x30e/0xa40 [ 735.862615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.862615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.862615][ T10] netlink_rcv_skb+0x130/0x360 [ 735.862615][ T10] netlink_unicast+0x449/0x710 [ 735.862615][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.862615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.862615][ T10] ___sys_sendmsg+0xee/0x170 [ 735.862615][ T10] __sys_sendmsg+0xcd/0x170 [ 735.862615][ T10] do_syscall_64+0xc6/0x1e0 [ 735.862615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.862615][ T10] [ 735.864997][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 735.864997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.864997][ T10] ipv6_find_idev+0x102/0x170 [ 735.864997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.864997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.864997][ T10] netlink_rcv_skb+0x130/0x360 [ 735.864997][ T10] netlink_unicast+0x449/0x710 [ 735.864997][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.864997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.864997][ T10] ___sys_sendmsg+0xee/0x170 [ 735.864997][ T10] __sys_sendmsg+0xcd/0x170 [ 735.864997][ T10] do_syscall_64+0xc6/0x1e0 [ 735.864997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.864997][ T10] [ 735.866844][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 735.866844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.866844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.866844][ T10] ipv6_find_idev+0x102/0x170 [ 735.866844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.866844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.866844][ T10] netlink_rcv_skb+0x130/0x360 [ 735.866844][ T10] netlink_unicast+0x449/0x710 [ 735.866844][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.866844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.866844][ T10] ___sys_sendmsg+0xee/0x170 [ 735.866844][ T10] __sys_sendmsg+0xcd/0x170 [ 735.866844][ T10] do_syscall_64+0xc6/0x1e0 [ 735.866844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.866844][ T10] [ 735.868945][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 735.869293][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 735.869293][ T10] netdev_get_by_index+0x5e/0x80 [ 735.869293][ T10] fib6_nh_init+0x3d8/0x15b0 [ 735.869293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 735.869293][ T10] addrconf_f6i_alloc+0x244/0x410 [ 735.869293][ T10] ipv6_add_addr+0x411/0x2000 [ 735.869293][ T10] inet6_addr_add+0x30e/0xa40 [ 735.869293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 735.869293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.869293][ T10] netlink_rcv_skb+0x130/0x360 [ 735.869293][ T10] netlink_unicast+0x449/0x710 [ 735.869293][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.869293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.869293][ T10] ___sys_sendmsg+0xee/0x170 [ 735.869293][ T10] __sys_sendmsg+0xcd/0x170 [ 735.869293][ T10] do_syscall_64+0xc6/0x1e0 [ 735.869293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.869293][ T10] [ 735.871686][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 735.871686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 735.871686][ T10] ipv6_find_idev+0x102/0x170 [ 735.871686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.871686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.871686][ T10] netlink_rcv_skb+0x130/0x360 [ 735.871686][ T10] netlink_unicast+0x449/0x710 [ 735.871686][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.871686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.871686][ T10] ___sys_sendmsg+0xee/0x170 [ 735.871686][ T10] __sys_sendmsg+0xcd/0x170 [ 735.871686][ T10] do_syscall_64+0xc6/0x1e0 [ 735.871686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.871686][ T10] [ 735.873656][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 735.873656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 735.873656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 735.873656][ T10] ipv6_find_idev+0x102/0x170 [ 735.873656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 735.873656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 735.873656][ T10] netlink_rcv_skb+0x130/0x360 [ 735.873656][ T10] netlink_unicast+0x449/0x710 [ 735.873656][ T10] netlink_sendmsg+0x723/0xbe0 [ 735.873656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 735.873656][ T10] ___sys_sendmsg+0xee/0x170 [ 735.873656][ T10] __sys_sendmsg+0xcd/0x170 [ 735.873656][ T10] do_syscall_64+0xc6/0x1e0 [ 735.873656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 735.873656][ T10]